2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
132 #include "evalgraph.h"
136 # define _(s) gettext (s)
137 # define N_(s) gettext_noop (s)
138 # define T_(s) gettext(s)
151 int establish P((void));
152 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
153 char *buf, int count, int error));
154 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
225 static void ExcludeClick P((int index));
226 void ToggleSecond P((void));
227 void PauseEngine P((ChessProgramState *cps));
228 static int NonStandardBoardSize P((void));
231 extern void ConsoleCreate();
234 ChessProgramState *WhitePlayer();
235 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
236 int VerifyDisplayMode P(());
238 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
239 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
240 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
241 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
242 void ics_update_width P((int new_width));
243 extern char installDir[MSG_SIZ];
244 VariantClass startVariant; /* [HGM] nicks: initial variant */
247 extern int tinyLayout, smallLayout;
248 ChessProgramStats programStats;
249 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
251 static int exiting = 0; /* [HGM] moved to top */
252 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
253 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
254 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
255 int partnerHighlight[2];
256 Boolean partnerBoardValid = 0;
257 char partnerStatus[MSG_SIZ];
259 Boolean originalFlip;
260 Boolean twoBoards = 0;
261 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
262 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
263 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
264 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
265 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
266 int opponentKibitzes;
267 int lastSavedGame; /* [HGM] save: ID of game */
268 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
269 extern int chatCount;
271 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
272 char lastMsg[MSG_SIZ];
273 ChessSquare pieceSweep = EmptySquare;
274 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
275 int promoDefaultAltered;
276 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
278 /* States for ics_getting_history */
280 #define H_REQUESTED 1
281 #define H_GOT_REQ_HEADER 2
282 #define H_GOT_UNREQ_HEADER 3
283 #define H_GETTING_MOVES 4
284 #define H_GOT_UNWANTED_HEADER 5
286 /* whosays values for GameEnds */
295 /* Maximum number of games in a cmail message */
296 #define CMAIL_MAX_GAMES 20
298 /* Different types of move when calling RegisterMove */
300 #define CMAIL_RESIGN 1
302 #define CMAIL_ACCEPT 3
304 /* Different types of result to remember for each game */
305 #define CMAIL_NOT_RESULT 0
306 #define CMAIL_OLD_RESULT 1
307 #define CMAIL_NEW_RESULT 2
309 /* Telnet protocol constants */
320 safeStrCpy (char *dst, const char *src, size_t count)
323 assert( dst != NULL );
324 assert( src != NULL );
327 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
328 if( i == count && dst[count-1] != NULLCHAR)
330 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
331 if(appData.debugMode)
332 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
338 /* Some compiler can't cast u64 to double
339 * This function do the job for us:
341 * We use the highest bit for cast, this only
342 * works if the highest bit is not
343 * in use (This should not happen)
345 * We used this for all compiler
348 u64ToDouble (u64 value)
351 u64 tmp = value & u64Const(0x7fffffffffffffff);
352 r = (double)(s64)tmp;
353 if (value & u64Const(0x8000000000000000))
354 r += 9.2233720368547758080e18; /* 2^63 */
358 /* Fake up flags for now, as we aren't keeping track of castling
359 availability yet. [HGM] Change of logic: the flag now only
360 indicates the type of castlings allowed by the rule of the game.
361 The actual rights themselves are maintained in the array
362 castlingRights, as part of the game history, and are not probed
368 int flags = F_ALL_CASTLE_OK;
369 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
370 switch (gameInfo.variant) {
372 flags &= ~F_ALL_CASTLE_OK;
373 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
374 flags |= F_IGNORE_CHECK;
376 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
379 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
381 case VariantKriegspiel:
382 flags |= F_KRIEGSPIEL_CAPTURE;
384 case VariantCapaRandom:
385 case VariantFischeRandom:
386 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
387 case VariantNoCastle:
388 case VariantShatranj:
393 flags &= ~F_ALL_CASTLE_OK;
401 FILE *gameFileFP, *debugFP, *serverFP;
402 char *currentDebugFile; // [HGM] debug split: to remember name
405 [AS] Note: sometimes, the sscanf() function is used to parse the input
406 into a fixed-size buffer. Because of this, we must be prepared to
407 receive strings as long as the size of the input buffer, which is currently
408 set to 4K for Windows and 8K for the rest.
409 So, we must either allocate sufficiently large buffers here, or
410 reduce the size of the input buffer in the input reading part.
413 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
414 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
415 char thinkOutput1[MSG_SIZ*10];
417 ChessProgramState first, second, pairing;
419 /* premove variables */
422 int premoveFromX = 0;
423 int premoveFromY = 0;
424 int premovePromoChar = 0;
426 Boolean alarmSounded;
427 /* end premove variables */
429 char *ics_prefix = "$";
430 enum ICS_TYPE ics_type = ICS_GENERIC;
432 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
433 int pauseExamForwardMostMove = 0;
434 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
435 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
436 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
437 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
438 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
439 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
440 int whiteFlag = FALSE, blackFlag = FALSE;
441 int userOfferedDraw = FALSE;
442 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
443 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
444 int cmailMoveType[CMAIL_MAX_GAMES];
445 long ics_clock_paused = 0;
446 ProcRef icsPR = NoProc, cmailPR = NoProc;
447 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
448 GameMode gameMode = BeginningOfGame;
449 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
450 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
451 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
452 int hiddenThinkOutputState = 0; /* [AS] */
453 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
454 int adjudicateLossPlies = 6;
455 char white_holding[64], black_holding[64];
456 TimeMark lastNodeCountTime;
457 long lastNodeCount=0;
458 int shiftKey, controlKey; // [HGM] set by mouse handler
460 int have_sent_ICS_logon = 0;
462 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
463 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
464 Boolean adjustedClock;
465 long timeControl_2; /* [AS] Allow separate time controls */
466 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
467 long timeRemaining[2][MAX_MOVES];
468 int matchGame = 0, nextGame = 0, roundNr = 0;
469 Boolean waitingForGame = FALSE, startingEngine = FALSE;
470 TimeMark programStartTime, pauseStart;
471 char ics_handle[MSG_SIZ];
472 int have_set_title = 0;
474 /* animateTraining preserves the state of appData.animate
475 * when Training mode is activated. This allows the
476 * response to be animated when appData.animate == TRUE and
477 * appData.animateDragging == TRUE.
479 Boolean animateTraining;
485 Board boards[MAX_MOVES];
486 /* [HGM] Following 7 needed for accurate legality tests: */
487 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
488 signed char initialRights[BOARD_FILES];
489 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
490 int initialRulePlies, FENrulePlies;
491 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
493 Boolean shuffleOpenings;
494 int mute; // mute all sounds
496 // [HGM] vari: next 12 to save and restore variations
497 #define MAX_VARIATIONS 10
498 int framePtr = MAX_MOVES-1; // points to free stack entry
500 int savedFirst[MAX_VARIATIONS];
501 int savedLast[MAX_VARIATIONS];
502 int savedFramePtr[MAX_VARIATIONS];
503 char *savedDetails[MAX_VARIATIONS];
504 ChessMove savedResult[MAX_VARIATIONS];
506 void PushTail P((int firstMove, int lastMove));
507 Boolean PopTail P((Boolean annotate));
508 void PushInner P((int firstMove, int lastMove));
509 void PopInner P((Boolean annotate));
510 void CleanupTail P((void));
512 ChessSquare FIDEArray[2][BOARD_FILES] = {
513 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
514 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
515 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
516 BlackKing, BlackBishop, BlackKnight, BlackRook }
519 ChessSquare twoKingsArray[2][BOARD_FILES] = {
520 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
521 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
522 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
523 BlackKing, BlackKing, BlackKnight, BlackRook }
526 ChessSquare KnightmateArray[2][BOARD_FILES] = {
527 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
528 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
529 { BlackRook, BlackMan, BlackBishop, BlackQueen,
530 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
533 ChessSquare SpartanArray[2][BOARD_FILES] = {
534 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
535 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
536 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
537 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
540 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
541 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
542 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
543 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
544 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
547 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
548 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
549 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
550 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
551 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
554 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
555 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
556 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
557 { BlackRook, BlackKnight, BlackMan, BlackFerz,
558 BlackKing, BlackMan, BlackKnight, BlackRook }
561 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
562 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
563 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
564 { BlackRook, BlackKnight, BlackMan, BlackFerz,
565 BlackKing, BlackMan, BlackKnight, BlackRook }
569 #if (BOARD_FILES>=10)
570 ChessSquare ShogiArray[2][BOARD_FILES] = {
571 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
572 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
573 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
574 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
577 ChessSquare XiangqiArray[2][BOARD_FILES] = {
578 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
579 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
580 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
581 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
584 ChessSquare CapablancaArray[2][BOARD_FILES] = {
585 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
586 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
587 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
588 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
591 ChessSquare GreatArray[2][BOARD_FILES] = {
592 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
593 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
594 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
595 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
598 ChessSquare JanusArray[2][BOARD_FILES] = {
599 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
600 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
601 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
602 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
605 ChessSquare GrandArray[2][BOARD_FILES] = {
606 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
607 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
608 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
609 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
613 ChessSquare GothicArray[2][BOARD_FILES] = {
614 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
615 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
616 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
617 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
620 #define GothicArray CapablancaArray
624 ChessSquare FalconArray[2][BOARD_FILES] = {
625 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
626 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
627 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
628 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
631 #define FalconArray CapablancaArray
634 #else // !(BOARD_FILES>=10)
635 #define XiangqiPosition FIDEArray
636 #define CapablancaArray FIDEArray
637 #define GothicArray FIDEArray
638 #define GreatArray FIDEArray
639 #endif // !(BOARD_FILES>=10)
641 #if (BOARD_FILES>=12)
642 ChessSquare CourierArray[2][BOARD_FILES] = {
643 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
644 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
645 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
646 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
648 #else // !(BOARD_FILES>=12)
649 #define CourierArray CapablancaArray
650 #endif // !(BOARD_FILES>=12)
653 Board initialPosition;
656 /* Convert str to a rating. Checks for special cases of "----",
658 "++++", etc. Also strips ()'s */
660 string_to_rating (char *str)
662 while(*str && !isdigit(*str)) ++str;
664 return 0; /* One of the special "no rating" cases */
672 /* Init programStats */
673 programStats.movelist[0] = 0;
674 programStats.depth = 0;
675 programStats.nr_moves = 0;
676 programStats.moves_left = 0;
677 programStats.nodes = 0;
678 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
679 programStats.score = 0;
680 programStats.got_only_move = 0;
681 programStats.got_fail = 0;
682 programStats.line_is_book = 0;
687 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
688 if (appData.firstPlaysBlack) {
689 first.twoMachinesColor = "black\n";
690 second.twoMachinesColor = "white\n";
692 first.twoMachinesColor = "white\n";
693 second.twoMachinesColor = "black\n";
696 first.other = &second;
697 second.other = &first;
700 if(appData.timeOddsMode) {
701 norm = appData.timeOdds[0];
702 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
704 first.timeOdds = appData.timeOdds[0]/norm;
705 second.timeOdds = appData.timeOdds[1]/norm;
708 if(programVersion) free(programVersion);
709 if (appData.noChessProgram) {
710 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
711 sprintf(programVersion, "%s", PACKAGE_STRING);
713 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
714 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
715 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
720 UnloadEngine (ChessProgramState *cps)
722 /* Kill off first chess program */
723 if (cps->isr != NULL)
724 RemoveInputSource(cps->isr);
727 if (cps->pr != NoProc) {
729 DoSleep( appData.delayBeforeQuit );
730 SendToProgram("quit\n", cps);
731 DoSleep( appData.delayAfterQuit );
732 DestroyChildProcess(cps->pr, cps->useSigterm);
735 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
739 ClearOptions (ChessProgramState *cps)
742 cps->nrOptions = cps->comboCnt = 0;
743 for(i=0; i<MAX_OPTIONS; i++) {
744 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
745 cps->option[i].textValue = 0;
749 char *engineNames[] = {
750 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
751 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
753 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
754 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
759 InitEngine (ChessProgramState *cps, int n)
760 { // [HGM] all engine initialiation put in a function that does one engine
764 cps->which = engineNames[n];
765 cps->maybeThinking = FALSE;
769 cps->sendDrawOffers = 1;
771 cps->program = appData.chessProgram[n];
772 cps->host = appData.host[n];
773 cps->dir = appData.directory[n];
774 cps->initString = appData.engInitString[n];
775 cps->computerString = appData.computerString[n];
776 cps->useSigint = TRUE;
777 cps->useSigterm = TRUE;
778 cps->reuse = appData.reuse[n];
779 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
780 cps->useSetboard = FALSE;
782 cps->usePing = FALSE;
785 cps->usePlayother = FALSE;
786 cps->useColors = TRUE;
787 cps->useUsermove = FALSE;
788 cps->sendICS = FALSE;
789 cps->sendName = appData.icsActive;
790 cps->sdKludge = FALSE;
791 cps->stKludge = FALSE;
792 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
793 TidyProgramName(cps->program, cps->host, cps->tidy);
795 ASSIGN(cps->variants, appData.variant);
796 cps->analysisSupport = 2; /* detect */
797 cps->analyzing = FALSE;
798 cps->initDone = FALSE;
801 /* New features added by Tord: */
802 cps->useFEN960 = FALSE;
803 cps->useOOCastle = TRUE;
804 /* End of new features added by Tord. */
805 cps->fenOverride = appData.fenOverride[n];
807 /* [HGM] time odds: set factor for each machine */
808 cps->timeOdds = appData.timeOdds[n];
810 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
811 cps->accumulateTC = appData.accumulateTC[n];
812 cps->maxNrOfSessions = 1;
817 cps->supportsNPS = UNKNOWN;
818 cps->memSize = FALSE;
819 cps->maxCores = FALSE;
820 ASSIGN(cps->egtFormats, "");
823 cps->optionSettings = appData.engOptions[n];
825 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
826 cps->isUCI = appData.isUCI[n]; /* [AS] */
827 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
829 if (appData.protocolVersion[n] > PROTOVER
830 || appData.protocolVersion[n] < 1)
835 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
836 appData.protocolVersion[n]);
837 if( (len >= MSG_SIZ) && appData.debugMode )
838 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
840 DisplayFatalError(buf, 0, 2);
844 cps->protocolVersion = appData.protocolVersion[n];
847 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
848 ParseFeatures(appData.featureDefaults, cps);
851 ChessProgramState *savCps;
859 if(WaitForEngine(savCps, LoadEngine)) return;
860 CommonEngineInit(); // recalculate time odds
861 if(gameInfo.variant != StringToVariant(appData.variant)) {
862 // we changed variant when loading the engine; this forces us to reset
863 Reset(TRUE, savCps != &first);
864 oldMode = BeginningOfGame; // to prevent restoring old mode
866 InitChessProgram(savCps, FALSE);
867 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
868 DisplayMessage("", "");
869 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
870 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
873 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
877 ReplaceEngine (ChessProgramState *cps, int n)
879 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
881 if(oldMode != BeginningOfGame) EditGameEvent();
884 appData.noChessProgram = FALSE;
885 appData.clockMode = TRUE;
888 if(n) return; // only startup first engine immediately; second can wait
889 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
893 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
894 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
896 static char resetOptions[] =
897 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
898 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
899 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
900 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
903 FloatToFront(char **list, char *engineLine)
905 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
907 if(appData.recentEngines <= 0) return;
908 TidyProgramName(engineLine, "localhost", tidy+1);
909 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
910 strncpy(buf+1, *list, MSG_SIZ-50);
911 if(p = strstr(buf, tidy)) { // tidy name appears in list
912 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
913 while(*p++ = *++q); // squeeze out
915 strcat(tidy, buf+1); // put list behind tidy name
916 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
917 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
918 ASSIGN(*list, tidy+1);
921 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
924 Load (ChessProgramState *cps, int i)
926 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
927 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
928 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
929 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
930 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
931 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
932 appData.firstProtocolVersion = PROTOVER;
933 ParseArgsFromString(buf);
935 ReplaceEngine(cps, i);
936 FloatToFront(&appData.recentEngineList, engineLine);
940 while(q = strchr(p, SLASH)) p = q+1;
941 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
942 if(engineDir[0] != NULLCHAR) {
943 ASSIGN(appData.directory[i], engineDir); p = engineName;
944 } else if(p != engineName) { // derive directory from engine path, when not given
946 ASSIGN(appData.directory[i], engineName);
948 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
949 } else { ASSIGN(appData.directory[i], "."); }
951 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
952 snprintf(command, MSG_SIZ, "%s %s", p, params);
955 ASSIGN(appData.chessProgram[i], p);
956 appData.isUCI[i] = isUCI;
957 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
958 appData.hasOwnBookUCI[i] = hasBook;
959 if(!nickName[0]) useNick = FALSE;
960 if(useNick) ASSIGN(appData.pgnName[i], nickName);
964 q = firstChessProgramNames;
965 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
966 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
967 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
968 quote, p, quote, appData.directory[i],
969 useNick ? " -fn \"" : "",
970 useNick ? nickName : "",
972 v1 ? " -firstProtocolVersion 1" : "",
973 hasBook ? "" : " -fNoOwnBookUCI",
974 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
975 storeVariant ? " -variant " : "",
976 storeVariant ? VariantName(gameInfo.variant) : "");
977 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
978 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
979 if(insert != q) insert[-1] = NULLCHAR;
980 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
982 FloatToFront(&appData.recentEngineList, buf);
984 ReplaceEngine(cps, i);
990 int matched, min, sec;
992 * Parse timeControl resource
994 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
995 appData.movesPerSession)) {
997 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
998 DisplayFatalError(buf, 0, 2);
1002 * Parse searchTime resource
1004 if (*appData.searchTime != NULLCHAR) {
1005 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1007 searchTime = min * 60;
1008 } else if (matched == 2) {
1009 searchTime = min * 60 + sec;
1012 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1013 DisplayFatalError(buf, 0, 2);
1022 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1023 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1025 GetTimeMark(&programStartTime);
1026 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1027 appData.seedBase = random() + (random()<<15);
1028 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1030 ClearProgramStats();
1031 programStats.ok_to_send = 1;
1032 programStats.seen_stat = 0;
1035 * Initialize game list
1041 * Internet chess server status
1043 if (appData.icsActive) {
1044 appData.matchMode = FALSE;
1045 appData.matchGames = 0;
1047 appData.noChessProgram = !appData.zippyPlay;
1049 appData.zippyPlay = FALSE;
1050 appData.zippyTalk = FALSE;
1051 appData.noChessProgram = TRUE;
1053 if (*appData.icsHelper != NULLCHAR) {
1054 appData.useTelnet = TRUE;
1055 appData.telnetProgram = appData.icsHelper;
1058 appData.zippyTalk = appData.zippyPlay = FALSE;
1061 /* [AS] Initialize pv info list [HGM] and game state */
1065 for( i=0; i<=framePtr; i++ ) {
1066 pvInfoList[i].depth = -1;
1067 boards[i][EP_STATUS] = EP_NONE;
1068 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1074 /* [AS] Adjudication threshold */
1075 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1077 InitEngine(&first, 0);
1078 InitEngine(&second, 1);
1081 pairing.which = "pairing"; // pairing engine
1082 pairing.pr = NoProc;
1084 pairing.program = appData.pairingEngine;
1085 pairing.host = "localhost";
1088 if (appData.icsActive) {
1089 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1090 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1091 appData.clockMode = FALSE;
1092 first.sendTime = second.sendTime = 0;
1096 /* Override some settings from environment variables, for backward
1097 compatibility. Unfortunately it's not feasible to have the env
1098 vars just set defaults, at least in xboard. Ugh.
1100 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1105 if (!appData.icsActive) {
1109 /* Check for variants that are supported only in ICS mode,
1110 or not at all. Some that are accepted here nevertheless
1111 have bugs; see comments below.
1113 VariantClass variant = StringToVariant(appData.variant);
1115 case VariantBughouse: /* need four players and two boards */
1116 case VariantKriegspiel: /* need to hide pieces and move details */
1117 /* case VariantFischeRandom: (Fabien: moved below) */
1118 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1119 if( (len >= MSG_SIZ) && appData.debugMode )
1120 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1122 DisplayFatalError(buf, 0, 2);
1125 case VariantUnknown:
1126 case VariantLoadable:
1136 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1137 if( (len >= MSG_SIZ) && appData.debugMode )
1138 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1140 DisplayFatalError(buf, 0, 2);
1143 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1144 case VariantFairy: /* [HGM] TestLegality definitely off! */
1145 case VariantGothic: /* [HGM] should work */
1146 case VariantCapablanca: /* [HGM] should work */
1147 case VariantCourier: /* [HGM] initial forced moves not implemented */
1148 case VariantShogi: /* [HGM] could still mate with pawn drop */
1149 case VariantKnightmate: /* [HGM] should work */
1150 case VariantCylinder: /* [HGM] untested */
1151 case VariantFalcon: /* [HGM] untested */
1152 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1153 offboard interposition not understood */
1154 case VariantNormal: /* definitely works! */
1155 case VariantWildCastle: /* pieces not automatically shuffled */
1156 case VariantNoCastle: /* pieces not automatically shuffled */
1157 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1158 case VariantLosers: /* should work except for win condition,
1159 and doesn't know captures are mandatory */
1160 case VariantSuicide: /* should work except for win condition,
1161 and doesn't know captures are mandatory */
1162 case VariantGiveaway: /* should work except for win condition,
1163 and doesn't know captures are mandatory */
1164 case VariantTwoKings: /* should work */
1165 case VariantAtomic: /* should work except for win condition */
1166 case Variant3Check: /* should work except for win condition */
1167 case VariantShatranj: /* should work except for all win conditions */
1168 case VariantMakruk: /* should work except for draw countdown */
1169 case VariantASEAN : /* should work except for draw countdown */
1170 case VariantBerolina: /* might work if TestLegality is off */
1171 case VariantCapaRandom: /* should work */
1172 case VariantJanus: /* should work */
1173 case VariantSuper: /* experimental */
1174 case VariantGreat: /* experimental, requires legality testing to be off */
1175 case VariantSChess: /* S-Chess, should work */
1176 case VariantGrand: /* should work */
1177 case VariantSpartan: /* should work */
1185 NextIntegerFromString (char ** str, long * value)
1190 while( *s == ' ' || *s == '\t' ) {
1196 if( *s >= '0' && *s <= '9' ) {
1197 while( *s >= '0' && *s <= '9' ) {
1198 *value = *value * 10 + (*s - '0');
1211 NextTimeControlFromString (char ** str, long * value)
1214 int result = NextIntegerFromString( str, &temp );
1217 *value = temp * 60; /* Minutes */
1218 if( **str == ':' ) {
1220 result = NextIntegerFromString( str, &temp );
1221 *value += temp; /* Seconds */
1229 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1230 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1231 int result = -1, type = 0; long temp, temp2;
1233 if(**str != ':') return -1; // old params remain in force!
1235 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1236 if( NextIntegerFromString( str, &temp ) ) return -1;
1237 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1240 /* time only: incremental or sudden-death time control */
1241 if(**str == '+') { /* increment follows; read it */
1243 if(**str == '!') type = *(*str)++; // Bronstein TC
1244 if(result = NextIntegerFromString( str, &temp2)) return -1;
1245 *inc = temp2 * 1000;
1246 if(**str == '.') { // read fraction of increment
1247 char *start = ++(*str);
1248 if(result = NextIntegerFromString( str, &temp2)) return -1;
1250 while(start++ < *str) temp2 /= 10;
1254 *moves = 0; *tc = temp * 1000; *incType = type;
1258 (*str)++; /* classical time control */
1259 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1271 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1272 { /* [HGM] get time to add from the multi-session time-control string */
1273 int incType, moves=1; /* kludge to force reading of first session */
1274 long time, increment;
1277 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1279 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1280 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1281 if(movenr == -1) return time; /* last move before new session */
1282 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1283 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1284 if(!moves) return increment; /* current session is incremental */
1285 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1286 } while(movenr >= -1); /* try again for next session */
1288 return 0; // no new time quota on this move
1292 ParseTimeControl (char *tc, float ti, int mps)
1296 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1299 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1300 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1301 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1305 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1307 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1310 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1312 snprintf(buf, MSG_SIZ, ":%s", mytc);
1314 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1316 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1321 /* Parse second time control */
1324 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1332 timeControl_2 = tc2 * 1000;
1342 timeControl = tc1 * 1000;
1345 timeIncrement = ti * 1000; /* convert to ms */
1346 movesPerSession = 0;
1349 movesPerSession = mps;
1357 if (appData.debugMode) {
1358 # ifdef __GIT_VERSION
1359 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1361 fprintf(debugFP, "Version: %s\n", programVersion);
1364 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1366 set_cont_sequence(appData.wrapContSeq);
1367 if (appData.matchGames > 0) {
1368 appData.matchMode = TRUE;
1369 } else if (appData.matchMode) {
1370 appData.matchGames = 1;
1372 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1373 appData.matchGames = appData.sameColorGames;
1374 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1375 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1376 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1379 if (appData.noChessProgram || first.protocolVersion == 1) {
1382 /* kludge: allow timeout for initial "feature" commands */
1384 DisplayMessage("", _("Starting chess program"));
1385 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1390 CalculateIndex (int index, int gameNr)
1391 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1393 if(index > 0) return index; // fixed nmber
1394 if(index == 0) return 1;
1395 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1396 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1401 LoadGameOrPosition (int gameNr)
1402 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1403 if (*appData.loadGameFile != NULLCHAR) {
1404 if (!LoadGameFromFile(appData.loadGameFile,
1405 CalculateIndex(appData.loadGameIndex, gameNr),
1406 appData.loadGameFile, FALSE)) {
1407 DisplayFatalError(_("Bad game file"), 0, 1);
1410 } else if (*appData.loadPositionFile != NULLCHAR) {
1411 if (!LoadPositionFromFile(appData.loadPositionFile,
1412 CalculateIndex(appData.loadPositionIndex, gameNr),
1413 appData.loadPositionFile)) {
1414 DisplayFatalError(_("Bad position file"), 0, 1);
1422 ReserveGame (int gameNr, char resChar)
1424 FILE *tf = fopen(appData.tourneyFile, "r+");
1425 char *p, *q, c, buf[MSG_SIZ];
1426 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1427 safeStrCpy(buf, lastMsg, MSG_SIZ);
1428 DisplayMessage(_("Pick new game"), "");
1429 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1430 ParseArgsFromFile(tf);
1431 p = q = appData.results;
1432 if(appData.debugMode) {
1433 char *r = appData.participants;
1434 fprintf(debugFP, "results = '%s'\n", p);
1435 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1436 fprintf(debugFP, "\n");
1438 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1440 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1441 safeStrCpy(q, p, strlen(p) + 2);
1442 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1443 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1444 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1445 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1448 fseek(tf, -(strlen(p)+4), SEEK_END);
1450 if(c != '"') // depending on DOS or Unix line endings we can be one off
1451 fseek(tf, -(strlen(p)+2), SEEK_END);
1452 else fseek(tf, -(strlen(p)+3), SEEK_END);
1453 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1454 DisplayMessage(buf, "");
1455 free(p); appData.results = q;
1456 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1457 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1458 int round = appData.defaultMatchGames * appData.tourneyType;
1459 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1460 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1461 UnloadEngine(&first); // next game belongs to other pairing;
1462 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1464 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1468 MatchEvent (int mode)
1469 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1471 if(matchMode) { // already in match mode: switch it off
1473 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1476 // if(gameMode != BeginningOfGame) {
1477 // DisplayError(_("You can only start a match from the initial position."), 0);
1481 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1482 /* Set up machine vs. machine match */
1484 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1485 if(appData.tourneyFile[0]) {
1487 if(nextGame > appData.matchGames) {
1489 if(strchr(appData.results, '*') == NULL) {
1491 appData.tourneyCycles++;
1492 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1494 NextTourneyGame(-1, &dummy);
1496 if(nextGame <= appData.matchGames) {
1497 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1499 ScheduleDelayedEvent(NextMatchGame, 10000);
1504 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1505 DisplayError(buf, 0);
1506 appData.tourneyFile[0] = 0;
1510 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1511 DisplayFatalError(_("Can't have a match with no chess programs"),
1516 matchGame = roundNr = 1;
1517 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1521 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1524 InitBackEnd3 P((void))
1526 GameMode initialMode;
1530 InitChessProgram(&first, startedFromSetupPosition);
1532 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1533 free(programVersion);
1534 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1535 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1536 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1539 if (appData.icsActive) {
1541 /* [DM] Make a console window if needed [HGM] merged ifs */
1547 if (*appData.icsCommPort != NULLCHAR)
1548 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1549 appData.icsCommPort);
1551 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1552 appData.icsHost, appData.icsPort);
1554 if( (len >= MSG_SIZ) && appData.debugMode )
1555 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1557 DisplayFatalError(buf, err, 1);
1562 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1564 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1565 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1566 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1567 } else if (appData.noChessProgram) {
1573 if (*appData.cmailGameName != NULLCHAR) {
1575 OpenLoopback(&cmailPR);
1577 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1581 DisplayMessage("", "");
1582 if (StrCaseCmp(appData.initialMode, "") == 0) {
1583 initialMode = BeginningOfGame;
1584 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1585 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1586 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1587 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1590 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1591 initialMode = TwoMachinesPlay;
1592 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1593 initialMode = AnalyzeFile;
1594 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1595 initialMode = AnalyzeMode;
1596 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1597 initialMode = MachinePlaysWhite;
1598 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1599 initialMode = MachinePlaysBlack;
1600 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1601 initialMode = EditGame;
1602 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1603 initialMode = EditPosition;
1604 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1605 initialMode = Training;
1607 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1608 if( (len >= MSG_SIZ) && appData.debugMode )
1609 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1611 DisplayFatalError(buf, 0, 2);
1615 if (appData.matchMode) {
1616 if(appData.tourneyFile[0]) { // start tourney from command line
1618 if(f = fopen(appData.tourneyFile, "r")) {
1619 ParseArgsFromFile(f); // make sure tourney parmeters re known
1621 appData.clockMode = TRUE;
1623 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1626 } else if (*appData.cmailGameName != NULLCHAR) {
1627 /* Set up cmail mode */
1628 ReloadCmailMsgEvent(TRUE);
1630 /* Set up other modes */
1631 if (initialMode == AnalyzeFile) {
1632 if (*appData.loadGameFile == NULLCHAR) {
1633 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1637 if (*appData.loadGameFile != NULLCHAR) {
1638 (void) LoadGameFromFile(appData.loadGameFile,
1639 appData.loadGameIndex,
1640 appData.loadGameFile, TRUE);
1641 } else if (*appData.loadPositionFile != NULLCHAR) {
1642 (void) LoadPositionFromFile(appData.loadPositionFile,
1643 appData.loadPositionIndex,
1644 appData.loadPositionFile);
1645 /* [HGM] try to make self-starting even after FEN load */
1646 /* to allow automatic setup of fairy variants with wtm */
1647 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1648 gameMode = BeginningOfGame;
1649 setboardSpoiledMachineBlack = 1;
1651 /* [HGM] loadPos: make that every new game uses the setup */
1652 /* from file as long as we do not switch variant */
1653 if(!blackPlaysFirst) {
1654 startedFromPositionFile = TRUE;
1655 CopyBoard(filePosition, boards[0]);
1658 if (initialMode == AnalyzeMode) {
1659 if (appData.noChessProgram) {
1660 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1663 if (appData.icsActive) {
1664 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1668 } else if (initialMode == AnalyzeFile) {
1669 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1670 ShowThinkingEvent();
1672 AnalysisPeriodicEvent(1);
1673 } else if (initialMode == MachinePlaysWhite) {
1674 if (appData.noChessProgram) {
1675 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1679 if (appData.icsActive) {
1680 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1684 MachineWhiteEvent();
1685 } else if (initialMode == MachinePlaysBlack) {
1686 if (appData.noChessProgram) {
1687 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1691 if (appData.icsActive) {
1692 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1696 MachineBlackEvent();
1697 } else if (initialMode == TwoMachinesPlay) {
1698 if (appData.noChessProgram) {
1699 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1703 if (appData.icsActive) {
1704 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1709 } else if (initialMode == EditGame) {
1711 } else if (initialMode == EditPosition) {
1712 EditPositionEvent();
1713 } else if (initialMode == Training) {
1714 if (*appData.loadGameFile == NULLCHAR) {
1715 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1724 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1726 DisplayBook(current+1);
1728 MoveHistorySet( movelist, first, last, current, pvInfoList );
1730 EvalGraphSet( first, last, current, pvInfoList );
1732 MakeEngineOutputTitle();
1736 * Establish will establish a contact to a remote host.port.
1737 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1738 * used to talk to the host.
1739 * Returns 0 if okay, error code if not.
1746 if (*appData.icsCommPort != NULLCHAR) {
1747 /* Talk to the host through a serial comm port */
1748 return OpenCommPort(appData.icsCommPort, &icsPR);
1750 } else if (*appData.gateway != NULLCHAR) {
1751 if (*appData.remoteShell == NULLCHAR) {
1752 /* Use the rcmd protocol to run telnet program on a gateway host */
1753 snprintf(buf, sizeof(buf), "%s %s %s",
1754 appData.telnetProgram, appData.icsHost, appData.icsPort);
1755 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1758 /* Use the rsh program to run telnet program on a gateway host */
1759 if (*appData.remoteUser == NULLCHAR) {
1760 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1761 appData.gateway, appData.telnetProgram,
1762 appData.icsHost, appData.icsPort);
1764 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1765 appData.remoteShell, appData.gateway,
1766 appData.remoteUser, appData.telnetProgram,
1767 appData.icsHost, appData.icsPort);
1769 return StartChildProcess(buf, "", &icsPR);
1772 } else if (appData.useTelnet) {
1773 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1776 /* TCP socket interface differs somewhat between
1777 Unix and NT; handle details in the front end.
1779 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1784 EscapeExpand (char *p, char *q)
1785 { // [HGM] initstring: routine to shape up string arguments
1786 while(*p++ = *q++) if(p[-1] == '\\')
1788 case 'n': p[-1] = '\n'; break;
1789 case 'r': p[-1] = '\r'; break;
1790 case 't': p[-1] = '\t'; break;
1791 case '\\': p[-1] = '\\'; break;
1792 case 0: *p = 0; return;
1793 default: p[-1] = q[-1]; break;
1798 show_bytes (FILE *fp, char *buf, int count)
1801 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1802 fprintf(fp, "\\%03o", *buf & 0xff);
1811 /* Returns an errno value */
1813 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1815 char buf[8192], *p, *q, *buflim;
1816 int left, newcount, outcount;
1818 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1819 *appData.gateway != NULLCHAR) {
1820 if (appData.debugMode) {
1821 fprintf(debugFP, ">ICS: ");
1822 show_bytes(debugFP, message, count);
1823 fprintf(debugFP, "\n");
1825 return OutputToProcess(pr, message, count, outError);
1828 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1835 if (appData.debugMode) {
1836 fprintf(debugFP, ">ICS: ");
1837 show_bytes(debugFP, buf, newcount);
1838 fprintf(debugFP, "\n");
1840 outcount = OutputToProcess(pr, buf, newcount, outError);
1841 if (outcount < newcount) return -1; /* to be sure */
1848 } else if (((unsigned char) *p) == TN_IAC) {
1849 *q++ = (char) TN_IAC;
1856 if (appData.debugMode) {
1857 fprintf(debugFP, ">ICS: ");
1858 show_bytes(debugFP, buf, newcount);
1859 fprintf(debugFP, "\n");
1861 outcount = OutputToProcess(pr, buf, newcount, outError);
1862 if (outcount < newcount) return -1; /* to be sure */
1867 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1869 int outError, outCount;
1870 static int gotEof = 0;
1873 /* Pass data read from player on to ICS */
1876 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1877 if (outCount < count) {
1878 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1880 if(have_sent_ICS_logon == 2) {
1881 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1882 fprintf(ini, "%s", message);
1883 have_sent_ICS_logon = 3;
1885 have_sent_ICS_logon = 1;
1886 } else if(have_sent_ICS_logon == 3) {
1887 fprintf(ini, "%s", message);
1889 have_sent_ICS_logon = 1;
1891 } else if (count < 0) {
1892 RemoveInputSource(isr);
1893 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1894 } else if (gotEof++ > 0) {
1895 RemoveInputSource(isr);
1896 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1902 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1903 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1904 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1905 SendToICS("date\n");
1906 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1909 /* added routine for printf style output to ics */
1911 ics_printf (char *format, ...)
1913 char buffer[MSG_SIZ];
1916 va_start(args, format);
1917 vsnprintf(buffer, sizeof(buffer), format, args);
1918 buffer[sizeof(buffer)-1] = '\0';
1926 int count, outCount, outError;
1928 if (icsPR == NoProc) return;
1931 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1932 if (outCount < count) {
1933 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1937 /* This is used for sending logon scripts to the ICS. Sending
1938 without a delay causes problems when using timestamp on ICC
1939 (at least on my machine). */
1941 SendToICSDelayed (char *s, long msdelay)
1943 int count, outCount, outError;
1945 if (icsPR == NoProc) return;
1948 if (appData.debugMode) {
1949 fprintf(debugFP, ">ICS: ");
1950 show_bytes(debugFP, s, count);
1951 fprintf(debugFP, "\n");
1953 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1955 if (outCount < count) {
1956 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1961 /* Remove all highlighting escape sequences in s
1962 Also deletes any suffix starting with '('
1965 StripHighlightAndTitle (char *s)
1967 static char retbuf[MSG_SIZ];
1970 while (*s != NULLCHAR) {
1971 while (*s == '\033') {
1972 while (*s != NULLCHAR && !isalpha(*s)) s++;
1973 if (*s != NULLCHAR) s++;
1975 while (*s != NULLCHAR && *s != '\033') {
1976 if (*s == '(' || *s == '[') {
1987 /* Remove all highlighting escape sequences in s */
1989 StripHighlight (char *s)
1991 static char retbuf[MSG_SIZ];
1994 while (*s != NULLCHAR) {
1995 while (*s == '\033') {
1996 while (*s != NULLCHAR && !isalpha(*s)) s++;
1997 if (*s != NULLCHAR) s++;
1999 while (*s != NULLCHAR && *s != '\033') {
2007 char *variantNames[] = VARIANT_NAMES;
2009 VariantName (VariantClass v)
2011 return variantNames[v];
2015 /* Identify a variant from the strings the chess servers use or the
2016 PGN Variant tag names we use. */
2018 StringToVariant (char *e)
2022 VariantClass v = VariantNormal;
2023 int i, found = FALSE;
2029 /* [HGM] skip over optional board-size prefixes */
2030 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2031 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2032 while( *e++ != '_');
2035 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2039 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2040 if (StrCaseStr(e, variantNames[i])) {
2041 v = (VariantClass) i;
2048 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2049 || StrCaseStr(e, "wild/fr")
2050 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2051 v = VariantFischeRandom;
2052 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2053 (i = 1, p = StrCaseStr(e, "w"))) {
2055 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2062 case 0: /* FICS only, actually */
2064 /* Castling legal even if K starts on d-file */
2065 v = VariantWildCastle;
2070 /* Castling illegal even if K & R happen to start in
2071 normal positions. */
2072 v = VariantNoCastle;
2085 /* Castling legal iff K & R start in normal positions */
2091 /* Special wilds for position setup; unclear what to do here */
2092 v = VariantLoadable;
2095 /* Bizarre ICC game */
2096 v = VariantTwoKings;
2099 v = VariantKriegspiel;
2105 v = VariantFischeRandom;
2108 v = VariantCrazyhouse;
2111 v = VariantBughouse;
2117 /* Not quite the same as FICS suicide! */
2118 v = VariantGiveaway;
2124 v = VariantShatranj;
2127 /* Temporary names for future ICC types. The name *will* change in
2128 the next xboard/WinBoard release after ICC defines it. */
2166 v = VariantCapablanca;
2169 v = VariantKnightmate;
2175 v = VariantCylinder;
2181 v = VariantCapaRandom;
2184 v = VariantBerolina;
2196 /* Found "wild" or "w" in the string but no number;
2197 must assume it's normal chess. */
2201 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2202 if( (len >= MSG_SIZ) && appData.debugMode )
2203 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2205 DisplayError(buf, 0);
2211 if (appData.debugMode) {
2212 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2213 e, wnum, VariantName(v));
2218 static int leftover_start = 0, leftover_len = 0;
2219 char star_match[STAR_MATCH_N][MSG_SIZ];
2221 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2222 advance *index beyond it, and set leftover_start to the new value of
2223 *index; else return FALSE. If pattern contains the character '*', it
2224 matches any sequence of characters not containing '\r', '\n', or the
2225 character following the '*' (if any), and the matched sequence(s) are
2226 copied into star_match.
2229 looking_at ( char *buf, int *index, char *pattern)
2231 char *bufp = &buf[*index], *patternp = pattern;
2233 char *matchp = star_match[0];
2236 if (*patternp == NULLCHAR) {
2237 *index = leftover_start = bufp - buf;
2241 if (*bufp == NULLCHAR) return FALSE;
2242 if (*patternp == '*') {
2243 if (*bufp == *(patternp + 1)) {
2245 matchp = star_match[++star_count];
2249 } else if (*bufp == '\n' || *bufp == '\r') {
2251 if (*patternp == NULLCHAR)
2256 *matchp++ = *bufp++;
2260 if (*patternp != *bufp) return FALSE;
2267 SendToPlayer (char *data, int length)
2269 int error, outCount;
2270 outCount = OutputToProcess(NoProc, data, length, &error);
2271 if (outCount < length) {
2272 DisplayFatalError(_("Error writing to display"), error, 1);
2277 PackHolding (char packed[], char *holding)
2287 switch (runlength) {
2298 sprintf(q, "%d", runlength);
2310 /* Telnet protocol requests from the front end */
2312 TelnetRequest (unsigned char ddww, unsigned char option)
2314 unsigned char msg[3];
2315 int outCount, outError;
2317 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2319 if (appData.debugMode) {
2320 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2336 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2345 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2348 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2353 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2355 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2362 if (!appData.icsActive) return;
2363 TelnetRequest(TN_DO, TN_ECHO);
2369 if (!appData.icsActive) return;
2370 TelnetRequest(TN_DONT, TN_ECHO);
2374 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2376 /* put the holdings sent to us by the server on the board holdings area */
2377 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2381 if(gameInfo.holdingsWidth < 2) return;
2382 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2383 return; // prevent overwriting by pre-board holdings
2385 if( (int)lowestPiece >= BlackPawn ) {
2388 holdingsStartRow = BOARD_HEIGHT-1;
2391 holdingsColumn = BOARD_WIDTH-1;
2392 countsColumn = BOARD_WIDTH-2;
2393 holdingsStartRow = 0;
2397 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2398 board[i][holdingsColumn] = EmptySquare;
2399 board[i][countsColumn] = (ChessSquare) 0;
2401 while( (p=*holdings++) != NULLCHAR ) {
2402 piece = CharToPiece( ToUpper(p) );
2403 if(piece == EmptySquare) continue;
2404 /*j = (int) piece - (int) WhitePawn;*/
2405 j = PieceToNumber(piece);
2406 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2407 if(j < 0) continue; /* should not happen */
2408 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2409 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2410 board[holdingsStartRow+j*direction][countsColumn]++;
2416 VariantSwitch (Board board, VariantClass newVariant)
2418 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2419 static Board oldBoard;
2421 startedFromPositionFile = FALSE;
2422 if(gameInfo.variant == newVariant) return;
2424 /* [HGM] This routine is called each time an assignment is made to
2425 * gameInfo.variant during a game, to make sure the board sizes
2426 * are set to match the new variant. If that means adding or deleting
2427 * holdings, we shift the playing board accordingly
2428 * This kludge is needed because in ICS observe mode, we get boards
2429 * of an ongoing game without knowing the variant, and learn about the
2430 * latter only later. This can be because of the move list we requested,
2431 * in which case the game history is refilled from the beginning anyway,
2432 * but also when receiving holdings of a crazyhouse game. In the latter
2433 * case we want to add those holdings to the already received position.
2437 if (appData.debugMode) {
2438 fprintf(debugFP, "Switch board from %s to %s\n",
2439 VariantName(gameInfo.variant), VariantName(newVariant));
2440 setbuf(debugFP, NULL);
2442 shuffleOpenings = 0; /* [HGM] shuffle */
2443 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2447 newWidth = 9; newHeight = 9;
2448 gameInfo.holdingsSize = 7;
2449 case VariantBughouse:
2450 case VariantCrazyhouse:
2451 newHoldingsWidth = 2; break;
2455 newHoldingsWidth = 2;
2456 gameInfo.holdingsSize = 8;
2459 case VariantCapablanca:
2460 case VariantCapaRandom:
2463 newHoldingsWidth = gameInfo.holdingsSize = 0;
2466 if(newWidth != gameInfo.boardWidth ||
2467 newHeight != gameInfo.boardHeight ||
2468 newHoldingsWidth != gameInfo.holdingsWidth ) {
2470 /* shift position to new playing area, if needed */
2471 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2472 for(i=0; i<BOARD_HEIGHT; i++)
2473 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2474 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2476 for(i=0; i<newHeight; i++) {
2477 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2478 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2480 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2481 for(i=0; i<BOARD_HEIGHT; i++)
2482 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2483 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2486 board[HOLDINGS_SET] = 0;
2487 gameInfo.boardWidth = newWidth;
2488 gameInfo.boardHeight = newHeight;
2489 gameInfo.holdingsWidth = newHoldingsWidth;
2490 gameInfo.variant = newVariant;
2491 InitDrawingSizes(-2, 0);
2492 } else gameInfo.variant = newVariant;
2493 CopyBoard(oldBoard, board); // remember correctly formatted board
2494 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2495 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2498 static int loggedOn = FALSE;
2500 /*-- Game start info cache: --*/
2502 char gs_kind[MSG_SIZ];
2503 static char player1Name[128] = "";
2504 static char player2Name[128] = "";
2505 static char cont_seq[] = "\n\\ ";
2506 static int player1Rating = -1;
2507 static int player2Rating = -1;
2508 /*----------------------------*/
2510 ColorClass curColor = ColorNormal;
2511 int suppressKibitz = 0;
2514 Boolean soughtPending = FALSE;
2515 Boolean seekGraphUp;
2516 #define MAX_SEEK_ADS 200
2518 char *seekAdList[MAX_SEEK_ADS];
2519 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2520 float tcList[MAX_SEEK_ADS];
2521 char colorList[MAX_SEEK_ADS];
2522 int nrOfSeekAds = 0;
2523 int minRating = 1010, maxRating = 2800;
2524 int hMargin = 10, vMargin = 20, h, w;
2525 extern int squareSize, lineGap;
2530 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2531 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2532 if(r < minRating+100 && r >=0 ) r = minRating+100;
2533 if(r > maxRating) r = maxRating;
2534 if(tc < 1.f) tc = 1.f;
2535 if(tc > 95.f) tc = 95.f;
2536 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2537 y = ((double)r - minRating)/(maxRating - minRating)
2538 * (h-vMargin-squareSize/8-1) + vMargin;
2539 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2540 if(strstr(seekAdList[i], " u ")) color = 1;
2541 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2542 !strstr(seekAdList[i], "bullet") &&
2543 !strstr(seekAdList[i], "blitz") &&
2544 !strstr(seekAdList[i], "standard") ) color = 2;
2545 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2546 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2550 PlotSingleSeekAd (int i)
2556 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2558 char buf[MSG_SIZ], *ext = "";
2559 VariantClass v = StringToVariant(type);
2560 if(strstr(type, "wild")) {
2561 ext = type + 4; // append wild number
2562 if(v == VariantFischeRandom) type = "chess960"; else
2563 if(v == VariantLoadable) type = "setup"; else
2564 type = VariantName(v);
2566 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2567 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2568 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2569 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2570 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2571 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2572 seekNrList[nrOfSeekAds] = nr;
2573 zList[nrOfSeekAds] = 0;
2574 seekAdList[nrOfSeekAds++] = StrSave(buf);
2575 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2580 EraseSeekDot (int i)
2582 int x = xList[i], y = yList[i], d=squareSize/4, k;
2583 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2584 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2585 // now replot every dot that overlapped
2586 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2587 int xx = xList[k], yy = yList[k];
2588 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2589 DrawSeekDot(xx, yy, colorList[k]);
2594 RemoveSeekAd (int nr)
2597 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2599 if(seekAdList[i]) free(seekAdList[i]);
2600 seekAdList[i] = seekAdList[--nrOfSeekAds];
2601 seekNrList[i] = seekNrList[nrOfSeekAds];
2602 ratingList[i] = ratingList[nrOfSeekAds];
2603 colorList[i] = colorList[nrOfSeekAds];
2604 tcList[i] = tcList[nrOfSeekAds];
2605 xList[i] = xList[nrOfSeekAds];
2606 yList[i] = yList[nrOfSeekAds];
2607 zList[i] = zList[nrOfSeekAds];
2608 seekAdList[nrOfSeekAds] = NULL;
2614 MatchSoughtLine (char *line)
2616 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2617 int nr, base, inc, u=0; char dummy;
2619 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2620 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2622 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2623 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2624 // match: compact and save the line
2625 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2635 if(!seekGraphUp) return FALSE;
2636 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2637 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2639 DrawSeekBackground(0, 0, w, h);
2640 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2641 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2642 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2643 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2645 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2648 snprintf(buf, MSG_SIZ, "%d", i);
2649 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2652 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2653 for(i=1; i<100; i+=(i<10?1:5)) {
2654 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2655 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2656 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2658 snprintf(buf, MSG_SIZ, "%d", i);
2659 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2662 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2667 SeekGraphClick (ClickType click, int x, int y, int moving)
2669 static int lastDown = 0, displayed = 0, lastSecond;
2670 if(y < 0) return FALSE;
2671 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2672 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2673 if(!seekGraphUp) return FALSE;
2674 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2675 DrawPosition(TRUE, NULL);
2678 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2679 if(click == Release || moving) return FALSE;
2681 soughtPending = TRUE;
2682 SendToICS(ics_prefix);
2683 SendToICS("sought\n"); // should this be "sought all"?
2684 } else { // issue challenge based on clicked ad
2685 int dist = 10000; int i, closest = 0, second = 0;
2686 for(i=0; i<nrOfSeekAds; i++) {
2687 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2688 if(d < dist) { dist = d; closest = i; }
2689 second += (d - zList[i] < 120); // count in-range ads
2690 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2694 second = (second > 1);
2695 if(displayed != closest || second != lastSecond) {
2696 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2697 lastSecond = second; displayed = closest;
2699 if(click == Press) {
2700 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2703 } // on press 'hit', only show info
2704 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2705 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2706 SendToICS(ics_prefix);
2708 return TRUE; // let incoming board of started game pop down the graph
2709 } else if(click == Release) { // release 'miss' is ignored
2710 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2711 if(moving == 2) { // right up-click
2712 nrOfSeekAds = 0; // refresh graph
2713 soughtPending = TRUE;
2714 SendToICS(ics_prefix);
2715 SendToICS("sought\n"); // should this be "sought all"?
2718 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2719 // press miss or release hit 'pop down' seek graph
2720 seekGraphUp = FALSE;
2721 DrawPosition(TRUE, NULL);
2727 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2729 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2730 #define STARTED_NONE 0
2731 #define STARTED_MOVES 1
2732 #define STARTED_BOARD 2
2733 #define STARTED_OBSERVE 3
2734 #define STARTED_HOLDINGS 4
2735 #define STARTED_CHATTER 5
2736 #define STARTED_COMMENT 6
2737 #define STARTED_MOVES_NOHIDE 7
2739 static int started = STARTED_NONE;
2740 static char parse[20000];
2741 static int parse_pos = 0;
2742 static char buf[BUF_SIZE + 1];
2743 static int firstTime = TRUE, intfSet = FALSE;
2744 static ColorClass prevColor = ColorNormal;
2745 static int savingComment = FALSE;
2746 static int cmatch = 0; // continuation sequence match
2753 int backup; /* [DM] For zippy color lines */
2755 char talker[MSG_SIZ]; // [HGM] chat
2758 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2760 if (appData.debugMode) {
2762 fprintf(debugFP, "<ICS: ");
2763 show_bytes(debugFP, data, count);
2764 fprintf(debugFP, "\n");
2768 if (appData.debugMode) { int f = forwardMostMove;
2769 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2770 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2771 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2774 /* If last read ended with a partial line that we couldn't parse,
2775 prepend it to the new read and try again. */
2776 if (leftover_len > 0) {
2777 for (i=0; i<leftover_len; i++)
2778 buf[i] = buf[leftover_start + i];
2781 /* copy new characters into the buffer */
2782 bp = buf + leftover_len;
2783 buf_len=leftover_len;
2784 for (i=0; i<count; i++)
2787 if (data[i] == '\r')
2790 // join lines split by ICS?
2791 if (!appData.noJoin)
2794 Joining just consists of finding matches against the
2795 continuation sequence, and discarding that sequence
2796 if found instead of copying it. So, until a match
2797 fails, there's nothing to do since it might be the
2798 complete sequence, and thus, something we don't want
2801 if (data[i] == cont_seq[cmatch])
2804 if (cmatch == strlen(cont_seq))
2806 cmatch = 0; // complete match. just reset the counter
2809 it's possible for the ICS to not include the space
2810 at the end of the last word, making our [correct]
2811 join operation fuse two separate words. the server
2812 does this when the space occurs at the width setting.
2814 if (!buf_len || buf[buf_len-1] != ' ')
2825 match failed, so we have to copy what matched before
2826 falling through and copying this character. In reality,
2827 this will only ever be just the newline character, but
2828 it doesn't hurt to be precise.
2830 strncpy(bp, cont_seq, cmatch);
2842 buf[buf_len] = NULLCHAR;
2843 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2848 while (i < buf_len) {
2849 /* Deal with part of the TELNET option negotiation
2850 protocol. We refuse to do anything beyond the
2851 defaults, except that we allow the WILL ECHO option,
2852 which ICS uses to turn off password echoing when we are
2853 directly connected to it. We reject this option
2854 if localLineEditing mode is on (always on in xboard)
2855 and we are talking to port 23, which might be a real
2856 telnet server that will try to keep WILL ECHO on permanently.
2858 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2859 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2860 unsigned char option;
2862 switch ((unsigned char) buf[++i]) {
2864 if (appData.debugMode)
2865 fprintf(debugFP, "\n<WILL ");
2866 switch (option = (unsigned char) buf[++i]) {
2868 if (appData.debugMode)
2869 fprintf(debugFP, "ECHO ");
2870 /* Reply only if this is a change, according
2871 to the protocol rules. */
2872 if (remoteEchoOption) break;
2873 if (appData.localLineEditing &&
2874 atoi(appData.icsPort) == TN_PORT) {
2875 TelnetRequest(TN_DONT, TN_ECHO);
2878 TelnetRequest(TN_DO, TN_ECHO);
2879 remoteEchoOption = TRUE;
2883 if (appData.debugMode)
2884 fprintf(debugFP, "%d ", option);
2885 /* Whatever this is, we don't want it. */
2886 TelnetRequest(TN_DONT, option);
2891 if (appData.debugMode)
2892 fprintf(debugFP, "\n<WONT ");
2893 switch (option = (unsigned char) buf[++i]) {
2895 if (appData.debugMode)
2896 fprintf(debugFP, "ECHO ");
2897 /* Reply only if this is a change, according
2898 to the protocol rules. */
2899 if (!remoteEchoOption) break;
2901 TelnetRequest(TN_DONT, TN_ECHO);
2902 remoteEchoOption = FALSE;
2905 if (appData.debugMode)
2906 fprintf(debugFP, "%d ", (unsigned char) option);
2907 /* Whatever this is, it must already be turned
2908 off, because we never agree to turn on
2909 anything non-default, so according to the
2910 protocol rules, we don't reply. */
2915 if (appData.debugMode)
2916 fprintf(debugFP, "\n<DO ");
2917 switch (option = (unsigned char) buf[++i]) {
2919 /* Whatever this is, we refuse to do it. */
2920 if (appData.debugMode)
2921 fprintf(debugFP, "%d ", option);
2922 TelnetRequest(TN_WONT, option);
2927 if (appData.debugMode)
2928 fprintf(debugFP, "\n<DONT ");
2929 switch (option = (unsigned char) buf[++i]) {
2931 if (appData.debugMode)
2932 fprintf(debugFP, "%d ", option);
2933 /* Whatever this is, we are already not doing
2934 it, because we never agree to do anything
2935 non-default, so according to the protocol
2936 rules, we don't reply. */
2941 if (appData.debugMode)
2942 fprintf(debugFP, "\n<IAC ");
2943 /* Doubled IAC; pass it through */
2947 if (appData.debugMode)
2948 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2949 /* Drop all other telnet commands on the floor */
2952 if (oldi > next_out)
2953 SendToPlayer(&buf[next_out], oldi - next_out);
2959 /* OK, this at least will *usually* work */
2960 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2964 if (loggedOn && !intfSet) {
2965 if (ics_type == ICS_ICC) {
2966 snprintf(str, MSG_SIZ,
2967 "/set-quietly interface %s\n/set-quietly style 12\n",
2969 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2970 strcat(str, "/set-2 51 1\n/set seek 1\n");
2971 } else if (ics_type == ICS_CHESSNET) {
2972 snprintf(str, MSG_SIZ, "/style 12\n");
2974 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2975 strcat(str, programVersion);
2976 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2977 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2978 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2980 strcat(str, "$iset nohighlight 1\n");
2982 strcat(str, "$iset lock 1\n$style 12\n");
2985 NotifyFrontendLogin();
2989 if (started == STARTED_COMMENT) {
2990 /* Accumulate characters in comment */
2991 parse[parse_pos++] = buf[i];
2992 if (buf[i] == '\n') {
2993 parse[parse_pos] = NULLCHAR;
2994 if(chattingPartner>=0) {
2996 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2997 OutputChatMessage(chattingPartner, mess);
2998 chattingPartner = -1;
2999 next_out = i+1; // [HGM] suppress printing in ICS window
3001 if(!suppressKibitz) // [HGM] kibitz
3002 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3003 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3004 int nrDigit = 0, nrAlph = 0, j;
3005 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3006 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3007 parse[parse_pos] = NULLCHAR;
3008 // try to be smart: if it does not look like search info, it should go to
3009 // ICS interaction window after all, not to engine-output window.
3010 for(j=0; j<parse_pos; j++) { // count letters and digits
3011 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3012 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3013 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3015 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3016 int depth=0; float score;
3017 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3018 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3019 pvInfoList[forwardMostMove-1].depth = depth;
3020 pvInfoList[forwardMostMove-1].score = 100*score;
3022 OutputKibitz(suppressKibitz, parse);
3025 if(gameMode == IcsObserving) // restore original ICS messages
3026 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3028 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3029 SendToPlayer(tmp, strlen(tmp));
3031 next_out = i+1; // [HGM] suppress printing in ICS window
3033 started = STARTED_NONE;
3035 /* Don't match patterns against characters in comment */
3040 if (started == STARTED_CHATTER) {
3041 if (buf[i] != '\n') {
3042 /* Don't match patterns against characters in chatter */
3046 started = STARTED_NONE;
3047 if(suppressKibitz) next_out = i+1;
3050 /* Kludge to deal with rcmd protocol */
3051 if (firstTime && looking_at(buf, &i, "\001*")) {
3052 DisplayFatalError(&buf[1], 0, 1);
3058 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3061 if (appData.debugMode)
3062 fprintf(debugFP, "ics_type %d\n", ics_type);
3065 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3066 ics_type = ICS_FICS;
3068 if (appData.debugMode)
3069 fprintf(debugFP, "ics_type %d\n", ics_type);
3072 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3073 ics_type = ICS_CHESSNET;
3075 if (appData.debugMode)
3076 fprintf(debugFP, "ics_type %d\n", ics_type);
3081 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3082 looking_at(buf, &i, "Logging you in as \"*\"") ||
3083 looking_at(buf, &i, "will be \"*\""))) {
3084 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3088 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3090 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3091 DisplayIcsInteractionTitle(buf);
3092 have_set_title = TRUE;
3095 /* skip finger notes */
3096 if (started == STARTED_NONE &&
3097 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3098 (buf[i] == '1' && buf[i+1] == '0')) &&
3099 buf[i+2] == ':' && buf[i+3] == ' ') {
3100 started = STARTED_CHATTER;
3106 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3107 if(appData.seekGraph) {
3108 if(soughtPending && MatchSoughtLine(buf+i)) {
3109 i = strstr(buf+i, "rated") - buf;
3110 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3111 next_out = leftover_start = i;
3112 started = STARTED_CHATTER;
3113 suppressKibitz = TRUE;
3116 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3117 && looking_at(buf, &i, "* ads displayed")) {
3118 soughtPending = FALSE;
3123 if(appData.autoRefresh) {
3124 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3125 int s = (ics_type == ICS_ICC); // ICC format differs
3127 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3128 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3129 looking_at(buf, &i, "*% "); // eat prompt
3130 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3131 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3132 next_out = i; // suppress
3135 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3136 char *p = star_match[0];
3138 if(seekGraphUp) RemoveSeekAd(atoi(p));
3139 while(*p && *p++ != ' '); // next
3141 looking_at(buf, &i, "*% "); // eat prompt
3142 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3149 /* skip formula vars */
3150 if (started == STARTED_NONE &&
3151 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3152 started = STARTED_CHATTER;
3157 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3158 if (appData.autoKibitz && started == STARTED_NONE &&
3159 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3160 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3161 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3162 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3163 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3164 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3165 suppressKibitz = TRUE;
3166 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3168 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3169 && (gameMode == IcsPlayingWhite)) ||
3170 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3171 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3172 started = STARTED_CHATTER; // own kibitz we simply discard
3174 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3175 parse_pos = 0; parse[0] = NULLCHAR;
3176 savingComment = TRUE;
3177 suppressKibitz = gameMode != IcsObserving ? 2 :
3178 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3182 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3183 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3184 && atoi(star_match[0])) {
3185 // suppress the acknowledgements of our own autoKibitz
3187 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3188 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3189 SendToPlayer(star_match[0], strlen(star_match[0]));
3190 if(looking_at(buf, &i, "*% ")) // eat prompt
3191 suppressKibitz = FALSE;
3195 } // [HGM] kibitz: end of patch
3197 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3199 // [HGM] chat: intercept tells by users for which we have an open chat window
3201 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3202 looking_at(buf, &i, "* whispers:") ||
3203 looking_at(buf, &i, "* kibitzes:") ||
3204 looking_at(buf, &i, "* shouts:") ||
3205 looking_at(buf, &i, "* c-shouts:") ||
3206 looking_at(buf, &i, "--> * ") ||
3207 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3208 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3209 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3210 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3212 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3213 chattingPartner = -1;
3215 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3216 for(p=0; p<MAX_CHAT; p++) {
3217 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3218 talker[0] = '['; strcat(talker, "] ");
3219 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3220 chattingPartner = p; break;
3223 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3224 for(p=0; p<MAX_CHAT; p++) {
3225 if(!strcmp("kibitzes", chatPartner[p])) {
3226 talker[0] = '['; strcat(talker, "] ");
3227 chattingPartner = p; break;
3230 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3231 for(p=0; p<MAX_CHAT; p++) {
3232 if(!strcmp("whispers", chatPartner[p])) {
3233 talker[0] = '['; strcat(talker, "] ");
3234 chattingPartner = p; break;
3237 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3238 if(buf[i-8] == '-' && buf[i-3] == 't')
3239 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3240 if(!strcmp("c-shouts", chatPartner[p])) {
3241 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3242 chattingPartner = p; break;
3245 if(chattingPartner < 0)
3246 for(p=0; p<MAX_CHAT; p++) {
3247 if(!strcmp("shouts", chatPartner[p])) {
3248 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3249 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3250 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3251 chattingPartner = p; break;
3255 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3256 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3257 talker[0] = 0; Colorize(ColorTell, FALSE);
3258 chattingPartner = p; break;
3260 if(chattingPartner<0) i = oldi; else {
3261 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3262 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3263 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3264 started = STARTED_COMMENT;
3265 parse_pos = 0; parse[0] = NULLCHAR;
3266 savingComment = 3 + chattingPartner; // counts as TRUE
3267 suppressKibitz = TRUE;
3270 } // [HGM] chat: end of patch
3273 if (appData.zippyTalk || appData.zippyPlay) {
3274 /* [DM] Backup address for color zippy lines */
3276 if (loggedOn == TRUE)
3277 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3278 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3280 } // [DM] 'else { ' deleted
3282 /* Regular tells and says */
3283 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3284 looking_at(buf, &i, "* (your partner) tells you: ") ||
3285 looking_at(buf, &i, "* says: ") ||
3286 /* Don't color "message" or "messages" output */
3287 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3288 looking_at(buf, &i, "*. * at *:*: ") ||
3289 looking_at(buf, &i, "--* (*:*): ") ||
3290 /* Message notifications (same color as tells) */
3291 looking_at(buf, &i, "* has left a message ") ||
3292 looking_at(buf, &i, "* just sent you a message:\n") ||
3293 /* Whispers and kibitzes */
3294 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3295 looking_at(buf, &i, "* kibitzes: ") ||
3297 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3299 if (tkind == 1 && strchr(star_match[0], ':')) {
3300 /* Avoid "tells you:" spoofs in channels */
3303 if (star_match[0][0] == NULLCHAR ||
3304 strchr(star_match[0], ' ') ||
3305 (tkind == 3 && strchr(star_match[1], ' '))) {
3306 /* Reject bogus matches */
3309 if (appData.colorize) {
3310 if (oldi > next_out) {
3311 SendToPlayer(&buf[next_out], oldi - next_out);
3316 Colorize(ColorTell, FALSE);
3317 curColor = ColorTell;
3320 Colorize(ColorKibitz, FALSE);
3321 curColor = ColorKibitz;
3324 p = strrchr(star_match[1], '(');
3331 Colorize(ColorChannel1, FALSE);
3332 curColor = ColorChannel1;
3334 Colorize(ColorChannel, FALSE);
3335 curColor = ColorChannel;
3339 curColor = ColorNormal;
3343 if (started == STARTED_NONE && appData.autoComment &&
3344 (gameMode == IcsObserving ||
3345 gameMode == IcsPlayingWhite ||
3346 gameMode == IcsPlayingBlack)) {
3347 parse_pos = i - oldi;
3348 memcpy(parse, &buf[oldi], parse_pos);
3349 parse[parse_pos] = NULLCHAR;
3350 started = STARTED_COMMENT;
3351 savingComment = TRUE;
3353 started = STARTED_CHATTER;
3354 savingComment = FALSE;
3361 if (looking_at(buf, &i, "* s-shouts: ") ||
3362 looking_at(buf, &i, "* c-shouts: ")) {
3363 if (appData.colorize) {
3364 if (oldi > next_out) {
3365 SendToPlayer(&buf[next_out], oldi - next_out);
3368 Colorize(ColorSShout, FALSE);
3369 curColor = ColorSShout;
3372 started = STARTED_CHATTER;
3376 if (looking_at(buf, &i, "--->")) {
3381 if (looking_at(buf, &i, "* shouts: ") ||
3382 looking_at(buf, &i, "--> ")) {
3383 if (appData.colorize) {
3384 if (oldi > next_out) {
3385 SendToPlayer(&buf[next_out], oldi - next_out);
3388 Colorize(ColorShout, FALSE);
3389 curColor = ColorShout;
3392 started = STARTED_CHATTER;
3396 if (looking_at( buf, &i, "Challenge:")) {
3397 if (appData.colorize) {
3398 if (oldi > next_out) {
3399 SendToPlayer(&buf[next_out], oldi - next_out);
3402 Colorize(ColorChallenge, FALSE);
3403 curColor = ColorChallenge;
3409 if (looking_at(buf, &i, "* offers you") ||
3410 looking_at(buf, &i, "* offers to be") ||
3411 looking_at(buf, &i, "* would like to") ||
3412 looking_at(buf, &i, "* requests to") ||
3413 looking_at(buf, &i, "Your opponent offers") ||
3414 looking_at(buf, &i, "Your opponent requests")) {
3416 if (appData.colorize) {
3417 if (oldi > next_out) {
3418 SendToPlayer(&buf[next_out], oldi - next_out);
3421 Colorize(ColorRequest, FALSE);
3422 curColor = ColorRequest;
3427 if (looking_at(buf, &i, "* (*) seeking")) {
3428 if (appData.colorize) {
3429 if (oldi > next_out) {
3430 SendToPlayer(&buf[next_out], oldi - next_out);
3433 Colorize(ColorSeek, FALSE);
3434 curColor = ColorSeek;
3439 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3441 if (looking_at(buf, &i, "\\ ")) {
3442 if (prevColor != ColorNormal) {
3443 if (oldi > next_out) {
3444 SendToPlayer(&buf[next_out], oldi - next_out);
3447 Colorize(prevColor, TRUE);
3448 curColor = prevColor;
3450 if (savingComment) {
3451 parse_pos = i - oldi;
3452 memcpy(parse, &buf[oldi], parse_pos);
3453 parse[parse_pos] = NULLCHAR;
3454 started = STARTED_COMMENT;
3455 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3456 chattingPartner = savingComment - 3; // kludge to remember the box
3458 started = STARTED_CHATTER;
3463 if (looking_at(buf, &i, "Black Strength :") ||
3464 looking_at(buf, &i, "<<< style 10 board >>>") ||
3465 looking_at(buf, &i, "<10>") ||
3466 looking_at(buf, &i, "#@#")) {
3467 /* Wrong board style */
3469 SendToICS(ics_prefix);
3470 SendToICS("set style 12\n");
3471 SendToICS(ics_prefix);
3472 SendToICS("refresh\n");
3476 if (looking_at(buf, &i, "login:")) {
3477 if (!have_sent_ICS_logon) {
3479 have_sent_ICS_logon = 1;
3480 else // no init script was found
3481 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3482 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3483 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3488 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3489 (looking_at(buf, &i, "\n<12> ") ||
3490 looking_at(buf, &i, "<12> "))) {
3492 if (oldi > next_out) {
3493 SendToPlayer(&buf[next_out], oldi - next_out);
3496 started = STARTED_BOARD;
3501 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3502 looking_at(buf, &i, "<b1> ")) {
3503 if (oldi > next_out) {
3504 SendToPlayer(&buf[next_out], oldi - next_out);
3507 started = STARTED_HOLDINGS;
3512 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3514 /* Header for a move list -- first line */
3516 switch (ics_getting_history) {
3520 case BeginningOfGame:
3521 /* User typed "moves" or "oldmoves" while we
3522 were idle. Pretend we asked for these
3523 moves and soak them up so user can step
3524 through them and/or save them.
3527 gameMode = IcsObserving;
3530 ics_getting_history = H_GOT_UNREQ_HEADER;
3532 case EditGame: /*?*/
3533 case EditPosition: /*?*/
3534 /* Should above feature work in these modes too? */
3535 /* For now it doesn't */
3536 ics_getting_history = H_GOT_UNWANTED_HEADER;
3539 ics_getting_history = H_GOT_UNWANTED_HEADER;
3544 /* Is this the right one? */
3545 if (gameInfo.white && gameInfo.black &&
3546 strcmp(gameInfo.white, star_match[0]) == 0 &&
3547 strcmp(gameInfo.black, star_match[2]) == 0) {
3549 ics_getting_history = H_GOT_REQ_HEADER;
3552 case H_GOT_REQ_HEADER:
3553 case H_GOT_UNREQ_HEADER:
3554 case H_GOT_UNWANTED_HEADER:
3555 case H_GETTING_MOVES:
3556 /* Should not happen */
3557 DisplayError(_("Error gathering move list: two headers"), 0);
3558 ics_getting_history = H_FALSE;
3562 /* Save player ratings into gameInfo if needed */
3563 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3564 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3565 (gameInfo.whiteRating == -1 ||
3566 gameInfo.blackRating == -1)) {
3568 gameInfo.whiteRating = string_to_rating(star_match[1]);
3569 gameInfo.blackRating = string_to_rating(star_match[3]);
3570 if (appData.debugMode)
3571 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3572 gameInfo.whiteRating, gameInfo.blackRating);
3577 if (looking_at(buf, &i,
3578 "* * match, initial time: * minute*, increment: * second")) {
3579 /* Header for a move list -- second line */
3580 /* Initial board will follow if this is a wild game */
3581 if (gameInfo.event != NULL) free(gameInfo.event);
3582 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3583 gameInfo.event = StrSave(str);
3584 /* [HGM] we switched variant. Translate boards if needed. */
3585 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3589 if (looking_at(buf, &i, "Move ")) {
3590 /* Beginning of a move list */
3591 switch (ics_getting_history) {
3593 /* Normally should not happen */
3594 /* Maybe user hit reset while we were parsing */
3597 /* Happens if we are ignoring a move list that is not
3598 * the one we just requested. Common if the user
3599 * tries to observe two games without turning off
3602 case H_GETTING_MOVES:
3603 /* Should not happen */
3604 DisplayError(_("Error gathering move list: nested"), 0);
3605 ics_getting_history = H_FALSE;
3607 case H_GOT_REQ_HEADER:
3608 ics_getting_history = H_GETTING_MOVES;
3609 started = STARTED_MOVES;
3611 if (oldi > next_out) {
3612 SendToPlayer(&buf[next_out], oldi - next_out);
3615 case H_GOT_UNREQ_HEADER:
3616 ics_getting_history = H_GETTING_MOVES;
3617 started = STARTED_MOVES_NOHIDE;
3620 case H_GOT_UNWANTED_HEADER:
3621 ics_getting_history = H_FALSE;
3627 if (looking_at(buf, &i, "% ") ||
3628 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3629 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3630 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3631 soughtPending = FALSE;
3635 if(suppressKibitz) next_out = i;
3636 savingComment = FALSE;
3640 case STARTED_MOVES_NOHIDE:
3641 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3642 parse[parse_pos + i - oldi] = NULLCHAR;
3643 ParseGameHistory(parse);
3645 if (appData.zippyPlay && first.initDone) {
3646 FeedMovesToProgram(&first, forwardMostMove);
3647 if (gameMode == IcsPlayingWhite) {
3648 if (WhiteOnMove(forwardMostMove)) {
3649 if (first.sendTime) {
3650 if (first.useColors) {
3651 SendToProgram("black\n", &first);
3653 SendTimeRemaining(&first, TRUE);
3655 if (first.useColors) {
3656 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3658 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3659 first.maybeThinking = TRUE;
3661 if (first.usePlayother) {
3662 if (first.sendTime) {
3663 SendTimeRemaining(&first, TRUE);
3665 SendToProgram("playother\n", &first);
3671 } else if (gameMode == IcsPlayingBlack) {
3672 if (!WhiteOnMove(forwardMostMove)) {
3673 if (first.sendTime) {
3674 if (first.useColors) {
3675 SendToProgram("white\n", &first);
3677 SendTimeRemaining(&first, FALSE);
3679 if (first.useColors) {
3680 SendToProgram("black\n", &first);
3682 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3683 first.maybeThinking = TRUE;
3685 if (first.usePlayother) {
3686 if (first.sendTime) {
3687 SendTimeRemaining(&first, FALSE);
3689 SendToProgram("playother\n", &first);
3698 if (gameMode == IcsObserving && ics_gamenum == -1) {
3699 /* Moves came from oldmoves or moves command
3700 while we weren't doing anything else.
3702 currentMove = forwardMostMove;
3703 ClearHighlights();/*!!could figure this out*/
3704 flipView = appData.flipView;
3705 DrawPosition(TRUE, boards[currentMove]);
3706 DisplayBothClocks();
3707 snprintf(str, MSG_SIZ, "%s %s %s",
3708 gameInfo.white, _("vs."), gameInfo.black);
3712 /* Moves were history of an active game */
3713 if (gameInfo.resultDetails != NULL) {
3714 free(gameInfo.resultDetails);
3715 gameInfo.resultDetails = NULL;
3718 HistorySet(parseList, backwardMostMove,
3719 forwardMostMove, currentMove-1);
3720 DisplayMove(currentMove - 1);
3721 if (started == STARTED_MOVES) next_out = i;
3722 started = STARTED_NONE;
3723 ics_getting_history = H_FALSE;
3726 case STARTED_OBSERVE:
3727 started = STARTED_NONE;
3728 SendToICS(ics_prefix);
3729 SendToICS("refresh\n");
3735 if(bookHit) { // [HGM] book: simulate book reply
3736 static char bookMove[MSG_SIZ]; // a bit generous?
3738 programStats.nodes = programStats.depth = programStats.time =
3739 programStats.score = programStats.got_only_move = 0;
3740 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3742 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3743 strcat(bookMove, bookHit);
3744 HandleMachineMove(bookMove, &first);
3749 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3750 started == STARTED_HOLDINGS ||
3751 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3752 /* Accumulate characters in move list or board */
3753 parse[parse_pos++] = buf[i];
3756 /* Start of game messages. Mostly we detect start of game
3757 when the first board image arrives. On some versions
3758 of the ICS, though, we need to do a "refresh" after starting
3759 to observe in order to get the current board right away. */
3760 if (looking_at(buf, &i, "Adding game * to observation list")) {
3761 started = STARTED_OBSERVE;
3765 /* Handle auto-observe */
3766 if (appData.autoObserve &&
3767 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3768 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3770 /* Choose the player that was highlighted, if any. */
3771 if (star_match[0][0] == '\033' ||
3772 star_match[1][0] != '\033') {
3773 player = star_match[0];
3775 player = star_match[2];
3777 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3778 ics_prefix, StripHighlightAndTitle(player));
3781 /* Save ratings from notify string */
3782 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3783 player1Rating = string_to_rating(star_match[1]);
3784 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3785 player2Rating = string_to_rating(star_match[3]);
3787 if (appData.debugMode)
3789 "Ratings from 'Game notification:' %s %d, %s %d\n",
3790 player1Name, player1Rating,
3791 player2Name, player2Rating);
3796 /* Deal with automatic examine mode after a game,
3797 and with IcsObserving -> IcsExamining transition */
3798 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3799 looking_at(buf, &i, "has made you an examiner of game *")) {
3801 int gamenum = atoi(star_match[0]);
3802 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3803 gamenum == ics_gamenum) {
3804 /* We were already playing or observing this game;
3805 no need to refetch history */
3806 gameMode = IcsExamining;
3808 pauseExamForwardMostMove = forwardMostMove;
3809 } else if (currentMove < forwardMostMove) {
3810 ForwardInner(forwardMostMove);
3813 /* I don't think this case really can happen */
3814 SendToICS(ics_prefix);
3815 SendToICS("refresh\n");
3820 /* Error messages */
3821 // if (ics_user_moved) {
3822 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3823 if (looking_at(buf, &i, "Illegal move") ||
3824 looking_at(buf, &i, "Not a legal move") ||
3825 looking_at(buf, &i, "Your king is in check") ||
3826 looking_at(buf, &i, "It isn't your turn") ||
3827 looking_at(buf, &i, "It is not your move")) {
3829 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3830 currentMove = forwardMostMove-1;
3831 DisplayMove(currentMove - 1); /* before DMError */
3832 DrawPosition(FALSE, boards[currentMove]);
3833 SwitchClocks(forwardMostMove-1); // [HGM] race
3834 DisplayBothClocks();
3836 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3842 if (looking_at(buf, &i, "still have time") ||
3843 looking_at(buf, &i, "not out of time") ||
3844 looking_at(buf, &i, "either player is out of time") ||
3845 looking_at(buf, &i, "has timeseal; checking")) {
3846 /* We must have called his flag a little too soon */
3847 whiteFlag = blackFlag = FALSE;
3851 if (looking_at(buf, &i, "added * seconds to") ||
3852 looking_at(buf, &i, "seconds were added to")) {
3853 /* Update the clocks */
3854 SendToICS(ics_prefix);
3855 SendToICS("refresh\n");
3859 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3860 ics_clock_paused = TRUE;
3865 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3866 ics_clock_paused = FALSE;
3871 /* Grab player ratings from the Creating: message.
3872 Note we have to check for the special case when
3873 the ICS inserts things like [white] or [black]. */
3874 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3875 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3877 0 player 1 name (not necessarily white)
3879 2 empty, white, or black (IGNORED)
3880 3 player 2 name (not necessarily black)
3883 The names/ratings are sorted out when the game
3884 actually starts (below).
3886 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3887 player1Rating = string_to_rating(star_match[1]);
3888 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3889 player2Rating = string_to_rating(star_match[4]);
3891 if (appData.debugMode)
3893 "Ratings from 'Creating:' %s %d, %s %d\n",
3894 player1Name, player1Rating,
3895 player2Name, player2Rating);
3900 /* Improved generic start/end-of-game messages */
3901 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3902 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3903 /* If tkind == 0: */
3904 /* star_match[0] is the game number */
3905 /* [1] is the white player's name */
3906 /* [2] is the black player's name */
3907 /* For end-of-game: */
3908 /* [3] is the reason for the game end */
3909 /* [4] is a PGN end game-token, preceded by " " */
3910 /* For start-of-game: */
3911 /* [3] begins with "Creating" or "Continuing" */
3912 /* [4] is " *" or empty (don't care). */
3913 int gamenum = atoi(star_match[0]);
3914 char *whitename, *blackname, *why, *endtoken;
3915 ChessMove endtype = EndOfFile;
3918 whitename = star_match[1];
3919 blackname = star_match[2];
3920 why = star_match[3];
3921 endtoken = star_match[4];
3923 whitename = star_match[1];
3924 blackname = star_match[3];
3925 why = star_match[5];
3926 endtoken = star_match[6];
3929 /* Game start messages */
3930 if (strncmp(why, "Creating ", 9) == 0 ||
3931 strncmp(why, "Continuing ", 11) == 0) {
3932 gs_gamenum = gamenum;
3933 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3934 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3935 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3937 if (appData.zippyPlay) {
3938 ZippyGameStart(whitename, blackname);
3941 partnerBoardValid = FALSE; // [HGM] bughouse
3945 /* Game end messages */
3946 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3947 ics_gamenum != gamenum) {
3950 while (endtoken[0] == ' ') endtoken++;
3951 switch (endtoken[0]) {
3954 endtype = GameUnfinished;
3957 endtype = BlackWins;
3960 if (endtoken[1] == '/')
3961 endtype = GameIsDrawn;
3963 endtype = WhiteWins;
3966 GameEnds(endtype, why, GE_ICS);
3968 if (appData.zippyPlay && first.initDone) {
3969 ZippyGameEnd(endtype, why);
3970 if (first.pr == NoProc) {
3971 /* Start the next process early so that we'll
3972 be ready for the next challenge */
3973 StartChessProgram(&first);
3975 /* Send "new" early, in case this command takes
3976 a long time to finish, so that we'll be ready
3977 for the next challenge. */
3978 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3982 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3986 if (looking_at(buf, &i, "Removing game * from observation") ||
3987 looking_at(buf, &i, "no longer observing game *") ||
3988 looking_at(buf, &i, "Game * (*) has no examiners")) {
3989 if (gameMode == IcsObserving &&
3990 atoi(star_match[0]) == ics_gamenum)
3992 /* icsEngineAnalyze */
3993 if (appData.icsEngineAnalyze) {
4000 ics_user_moved = FALSE;
4005 if (looking_at(buf, &i, "no longer examining game *")) {
4006 if (gameMode == IcsExamining &&
4007 atoi(star_match[0]) == ics_gamenum)
4011 ics_user_moved = FALSE;
4016 /* Advance leftover_start past any newlines we find,
4017 so only partial lines can get reparsed */
4018 if (looking_at(buf, &i, "\n")) {
4019 prevColor = curColor;
4020 if (curColor != ColorNormal) {
4021 if (oldi > next_out) {
4022 SendToPlayer(&buf[next_out], oldi - next_out);
4025 Colorize(ColorNormal, FALSE);
4026 curColor = ColorNormal;
4028 if (started == STARTED_BOARD) {
4029 started = STARTED_NONE;
4030 parse[parse_pos] = NULLCHAR;
4031 ParseBoard12(parse);
4034 /* Send premove here */
4035 if (appData.premove) {
4037 if (currentMove == 0 &&
4038 gameMode == IcsPlayingWhite &&
4039 appData.premoveWhite) {
4040 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4041 if (appData.debugMode)
4042 fprintf(debugFP, "Sending premove:\n");
4044 } else if (currentMove == 1 &&
4045 gameMode == IcsPlayingBlack &&
4046 appData.premoveBlack) {
4047 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4048 if (appData.debugMode)
4049 fprintf(debugFP, "Sending premove:\n");
4051 } else if (gotPremove) {
4053 ClearPremoveHighlights();
4054 if (appData.debugMode)
4055 fprintf(debugFP, "Sending premove:\n");
4056 UserMoveEvent(premoveFromX, premoveFromY,
4057 premoveToX, premoveToY,
4062 /* Usually suppress following prompt */
4063 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4064 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4065 if (looking_at(buf, &i, "*% ")) {
4066 savingComment = FALSE;
4071 } else if (started == STARTED_HOLDINGS) {
4073 char new_piece[MSG_SIZ];
4074 started = STARTED_NONE;
4075 parse[parse_pos] = NULLCHAR;
4076 if (appData.debugMode)
4077 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4078 parse, currentMove);
4079 if (sscanf(parse, " game %d", &gamenum) == 1) {
4080 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4081 if (gameInfo.variant == VariantNormal) {
4082 /* [HGM] We seem to switch variant during a game!
4083 * Presumably no holdings were displayed, so we have
4084 * to move the position two files to the right to
4085 * create room for them!
4087 VariantClass newVariant;
4088 switch(gameInfo.boardWidth) { // base guess on board width
4089 case 9: newVariant = VariantShogi; break;
4090 case 10: newVariant = VariantGreat; break;
4091 default: newVariant = VariantCrazyhouse; break;
4093 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4094 /* Get a move list just to see the header, which
4095 will tell us whether this is really bug or zh */
4096 if (ics_getting_history == H_FALSE) {
4097 ics_getting_history = H_REQUESTED;
4098 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4102 new_piece[0] = NULLCHAR;
4103 sscanf(parse, "game %d white [%s black [%s <- %s",
4104 &gamenum, white_holding, black_holding,
4106 white_holding[strlen(white_holding)-1] = NULLCHAR;
4107 black_holding[strlen(black_holding)-1] = NULLCHAR;
4108 /* [HGM] copy holdings to board holdings area */
4109 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4110 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4111 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4113 if (appData.zippyPlay && first.initDone) {
4114 ZippyHoldings(white_holding, black_holding,
4118 if (tinyLayout || smallLayout) {
4119 char wh[16], bh[16];
4120 PackHolding(wh, white_holding);
4121 PackHolding(bh, black_holding);
4122 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4123 gameInfo.white, gameInfo.black);
4125 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4126 gameInfo.white, white_holding, _("vs."),
4127 gameInfo.black, black_holding);
4129 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4130 DrawPosition(FALSE, boards[currentMove]);
4132 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4133 sscanf(parse, "game %d white [%s black [%s <- %s",
4134 &gamenum, white_holding, black_holding,
4136 white_holding[strlen(white_holding)-1] = NULLCHAR;
4137 black_holding[strlen(black_holding)-1] = NULLCHAR;
4138 /* [HGM] copy holdings to partner-board holdings area */
4139 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4140 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4141 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4142 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4143 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4146 /* Suppress following prompt */
4147 if (looking_at(buf, &i, "*% ")) {
4148 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4149 savingComment = FALSE;
4157 i++; /* skip unparsed character and loop back */
4160 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4161 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4162 // SendToPlayer(&buf[next_out], i - next_out);
4163 started != STARTED_HOLDINGS && leftover_start > next_out) {
4164 SendToPlayer(&buf[next_out], leftover_start - next_out);
4168 leftover_len = buf_len - leftover_start;
4169 /* if buffer ends with something we couldn't parse,
4170 reparse it after appending the next read */
4172 } else if (count == 0) {
4173 RemoveInputSource(isr);
4174 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4176 DisplayFatalError(_("Error reading from ICS"), error, 1);
4181 /* Board style 12 looks like this:
4183 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4185 * The "<12> " is stripped before it gets to this routine. The two
4186 * trailing 0's (flip state and clock ticking) are later addition, and
4187 * some chess servers may not have them, or may have only the first.
4188 * Additional trailing fields may be added in the future.
4191 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4193 #define RELATION_OBSERVING_PLAYED 0
4194 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4195 #define RELATION_PLAYING_MYMOVE 1
4196 #define RELATION_PLAYING_NOTMYMOVE -1
4197 #define RELATION_EXAMINING 2
4198 #define RELATION_ISOLATED_BOARD -3
4199 #define RELATION_STARTING_POSITION -4 /* FICS only */
4202 ParseBoard12 (char *string)
4206 char *bookHit = NULL; // [HGM] book
4208 GameMode newGameMode;
4209 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4210 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4211 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4212 char to_play, board_chars[200];
4213 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4214 char black[32], white[32];
4216 int prevMove = currentMove;
4219 int fromX, fromY, toX, toY;
4221 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4222 Boolean weird = FALSE, reqFlag = FALSE;
4224 fromX = fromY = toX = toY = -1;
4228 if (appData.debugMode)
4229 fprintf(debugFP, "Parsing board: %s\n", string);
4231 move_str[0] = NULLCHAR;
4232 elapsed_time[0] = NULLCHAR;
4233 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4235 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4236 if(string[i] == ' ') { ranks++; files = 0; }
4238 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4241 for(j = 0; j <i; j++) board_chars[j] = string[j];
4242 board_chars[i] = '\0';
4245 n = sscanf(string, PATTERN, &to_play, &double_push,
4246 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4247 &gamenum, white, black, &relation, &basetime, &increment,
4248 &white_stren, &black_stren, &white_time, &black_time,
4249 &moveNum, str, elapsed_time, move_str, &ics_flip,
4253 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4254 DisplayError(str, 0);
4258 /* Convert the move number to internal form */
4259 moveNum = (moveNum - 1) * 2;
4260 if (to_play == 'B') moveNum++;
4261 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4262 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4268 case RELATION_OBSERVING_PLAYED:
4269 case RELATION_OBSERVING_STATIC:
4270 if (gamenum == -1) {
4271 /* Old ICC buglet */
4272 relation = RELATION_OBSERVING_STATIC;
4274 newGameMode = IcsObserving;
4276 case RELATION_PLAYING_MYMOVE:
4277 case RELATION_PLAYING_NOTMYMOVE:
4279 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4280 IcsPlayingWhite : IcsPlayingBlack;
4281 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4283 case RELATION_EXAMINING:
4284 newGameMode = IcsExamining;
4286 case RELATION_ISOLATED_BOARD:
4288 /* Just display this board. If user was doing something else,
4289 we will forget about it until the next board comes. */
4290 newGameMode = IcsIdle;
4292 case RELATION_STARTING_POSITION:
4293 newGameMode = gameMode;
4297 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4298 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4299 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4300 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4301 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4302 static int lastBgGame = -1;
4304 for (k = 0; k < ranks; k++) {
4305 for (j = 0; j < files; j++)
4306 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4307 if(gameInfo.holdingsWidth > 1) {
4308 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4309 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4312 CopyBoard(partnerBoard, board);
4313 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4314 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4315 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4316 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4317 if(toSqr = strchr(str, '-')) {
4318 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4319 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4320 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4321 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4322 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4323 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4325 DisplayWhiteClock(white_time*fac, to_play == 'W');
4326 DisplayBlackClock(black_time*fac, to_play != 'W');
4327 activePartner = to_play;
4328 if(gamenum != lastBgGame) {
4330 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4333 lastBgGame = gamenum;
4334 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4335 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4336 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4337 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4338 if(!twoBoards) DisplayMessage(partnerStatus, "");
4339 partnerBoardValid = TRUE;
4343 if(appData.dualBoard && appData.bgObserve) {
4344 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4345 SendToICS(ics_prefix), SendToICS("pobserve\n");
4346 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4348 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4353 /* Modify behavior for initial board display on move listing
4356 switch (ics_getting_history) {
4360 case H_GOT_REQ_HEADER:
4361 case H_GOT_UNREQ_HEADER:
4362 /* This is the initial position of the current game */
4363 gamenum = ics_gamenum;
4364 moveNum = 0; /* old ICS bug workaround */
4365 if (to_play == 'B') {
4366 startedFromSetupPosition = TRUE;
4367 blackPlaysFirst = TRUE;
4369 if (forwardMostMove == 0) forwardMostMove = 1;
4370 if (backwardMostMove == 0) backwardMostMove = 1;
4371 if (currentMove == 0) currentMove = 1;
4373 newGameMode = gameMode;
4374 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4376 case H_GOT_UNWANTED_HEADER:
4377 /* This is an initial board that we don't want */
4379 case H_GETTING_MOVES:
4380 /* Should not happen */
4381 DisplayError(_("Error gathering move list: extra board"), 0);
4382 ics_getting_history = H_FALSE;
4386 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4387 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4388 weird && (int)gameInfo.variant < (int)VariantShogi) {
4389 /* [HGM] We seem to have switched variant unexpectedly
4390 * Try to guess new variant from board size
4392 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4393 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4394 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4395 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4396 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4397 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4398 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4399 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4400 /* Get a move list just to see the header, which
4401 will tell us whether this is really bug or zh */
4402 if (ics_getting_history == H_FALSE) {
4403 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4404 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4409 /* Take action if this is the first board of a new game, or of a
4410 different game than is currently being displayed. */
4411 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4412 relation == RELATION_ISOLATED_BOARD) {
4414 /* Forget the old game and get the history (if any) of the new one */
4415 if (gameMode != BeginningOfGame) {
4419 if (appData.autoRaiseBoard) BoardToTop();
4421 if (gamenum == -1) {
4422 newGameMode = IcsIdle;
4423 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4424 appData.getMoveList && !reqFlag) {
4425 /* Need to get game history */
4426 ics_getting_history = H_REQUESTED;
4427 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4431 /* Initially flip the board to have black on the bottom if playing
4432 black or if the ICS flip flag is set, but let the user change
4433 it with the Flip View button. */
4434 flipView = appData.autoFlipView ?
4435 (newGameMode == IcsPlayingBlack) || ics_flip :
4438 /* Done with values from previous mode; copy in new ones */
4439 gameMode = newGameMode;
4441 ics_gamenum = gamenum;
4442 if (gamenum == gs_gamenum) {
4443 int klen = strlen(gs_kind);
4444 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4445 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4446 gameInfo.event = StrSave(str);
4448 gameInfo.event = StrSave("ICS game");
4450 gameInfo.site = StrSave(appData.icsHost);
4451 gameInfo.date = PGNDate();
4452 gameInfo.round = StrSave("-");
4453 gameInfo.white = StrSave(white);
4454 gameInfo.black = StrSave(black);
4455 timeControl = basetime * 60 * 1000;
4457 timeIncrement = increment * 1000;
4458 movesPerSession = 0;
4459 gameInfo.timeControl = TimeControlTagValue();
4460 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4461 if (appData.debugMode) {
4462 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4463 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4464 setbuf(debugFP, NULL);
4467 gameInfo.outOfBook = NULL;
4469 /* Do we have the ratings? */
4470 if (strcmp(player1Name, white) == 0 &&
4471 strcmp(player2Name, black) == 0) {
4472 if (appData.debugMode)
4473 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4474 player1Rating, player2Rating);
4475 gameInfo.whiteRating = player1Rating;
4476 gameInfo.blackRating = player2Rating;
4477 } else if (strcmp(player2Name, white) == 0 &&
4478 strcmp(player1Name, black) == 0) {
4479 if (appData.debugMode)
4480 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4481 player2Rating, player1Rating);
4482 gameInfo.whiteRating = player2Rating;
4483 gameInfo.blackRating = player1Rating;
4485 player1Name[0] = player2Name[0] = NULLCHAR;
4487 /* Silence shouts if requested */
4488 if (appData.quietPlay &&
4489 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4490 SendToICS(ics_prefix);
4491 SendToICS("set shout 0\n");
4495 /* Deal with midgame name changes */
4497 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4498 if (gameInfo.white) free(gameInfo.white);
4499 gameInfo.white = StrSave(white);
4501 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4502 if (gameInfo.black) free(gameInfo.black);
4503 gameInfo.black = StrSave(black);
4507 /* Throw away game result if anything actually changes in examine mode */
4508 if (gameMode == IcsExamining && !newGame) {
4509 gameInfo.result = GameUnfinished;
4510 if (gameInfo.resultDetails != NULL) {
4511 free(gameInfo.resultDetails);
4512 gameInfo.resultDetails = NULL;
4516 /* In pausing && IcsExamining mode, we ignore boards coming
4517 in if they are in a different variation than we are. */
4518 if (pauseExamInvalid) return;
4519 if (pausing && gameMode == IcsExamining) {
4520 if (moveNum <= pauseExamForwardMostMove) {
4521 pauseExamInvalid = TRUE;
4522 forwardMostMove = pauseExamForwardMostMove;
4527 if (appData.debugMode) {
4528 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4530 /* Parse the board */
4531 for (k = 0; k < ranks; k++) {
4532 for (j = 0; j < files; j++)
4533 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4534 if(gameInfo.holdingsWidth > 1) {
4535 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4536 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4539 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4540 board[5][BOARD_RGHT+1] = WhiteAngel;
4541 board[6][BOARD_RGHT+1] = WhiteMarshall;
4542 board[1][0] = BlackMarshall;
4543 board[2][0] = BlackAngel;
4544 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4546 CopyBoard(boards[moveNum], board);
4547 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4549 startedFromSetupPosition =
4550 !CompareBoards(board, initialPosition);
4551 if(startedFromSetupPosition)
4552 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4555 /* [HGM] Set castling rights. Take the outermost Rooks,
4556 to make it also work for FRC opening positions. Note that board12
4557 is really defective for later FRC positions, as it has no way to
4558 indicate which Rook can castle if they are on the same side of King.
4559 For the initial position we grant rights to the outermost Rooks,
4560 and remember thos rights, and we then copy them on positions
4561 later in an FRC game. This means WB might not recognize castlings with
4562 Rooks that have moved back to their original position as illegal,
4563 but in ICS mode that is not its job anyway.
4565 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4566 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4568 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4569 if(board[0][i] == WhiteRook) j = i;
4570 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4571 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4572 if(board[0][i] == WhiteRook) j = i;
4573 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4574 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4575 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4576 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4577 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4578 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4579 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4581 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4582 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4583 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4584 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4585 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4586 if(board[BOARD_HEIGHT-1][k] == bKing)
4587 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4588 if(gameInfo.variant == VariantTwoKings) {
4589 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4590 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4591 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4594 r = boards[moveNum][CASTLING][0] = initialRights[0];
4595 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4596 r = boards[moveNum][CASTLING][1] = initialRights[1];
4597 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4598 r = boards[moveNum][CASTLING][3] = initialRights[3];
4599 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4600 r = boards[moveNum][CASTLING][4] = initialRights[4];
4601 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4602 /* wildcastle kludge: always assume King has rights */
4603 r = boards[moveNum][CASTLING][2] = initialRights[2];
4604 r = boards[moveNum][CASTLING][5] = initialRights[5];
4606 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4607 boards[moveNum][EP_STATUS] = EP_NONE;
4608 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4609 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4610 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4613 if (ics_getting_history == H_GOT_REQ_HEADER ||
4614 ics_getting_history == H_GOT_UNREQ_HEADER) {
4615 /* This was an initial position from a move list, not
4616 the current position */
4620 /* Update currentMove and known move number limits */
4621 newMove = newGame || moveNum > forwardMostMove;
4624 forwardMostMove = backwardMostMove = currentMove = moveNum;
4625 if (gameMode == IcsExamining && moveNum == 0) {
4626 /* Workaround for ICS limitation: we are not told the wild
4627 type when starting to examine a game. But if we ask for
4628 the move list, the move list header will tell us */
4629 ics_getting_history = H_REQUESTED;
4630 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4633 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4634 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4636 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4637 /* [HGM] applied this also to an engine that is silently watching */
4638 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4639 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4640 gameInfo.variant == currentlyInitializedVariant) {
4641 takeback = forwardMostMove - moveNum;
4642 for (i = 0; i < takeback; i++) {
4643 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4644 SendToProgram("undo\n", &first);
4649 forwardMostMove = moveNum;
4650 if (!pausing || currentMove > forwardMostMove)
4651 currentMove = forwardMostMove;
4653 /* New part of history that is not contiguous with old part */
4654 if (pausing && gameMode == IcsExamining) {
4655 pauseExamInvalid = TRUE;
4656 forwardMostMove = pauseExamForwardMostMove;
4659 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4661 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4662 // [HGM] when we will receive the move list we now request, it will be
4663 // fed to the engine from the first move on. So if the engine is not
4664 // in the initial position now, bring it there.
4665 InitChessProgram(&first, 0);
4668 ics_getting_history = H_REQUESTED;
4669 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4672 forwardMostMove = backwardMostMove = currentMove = moveNum;
4675 /* Update the clocks */
4676 if (strchr(elapsed_time, '.')) {
4678 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4679 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4681 /* Time is in seconds */
4682 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4683 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4688 if (appData.zippyPlay && newGame &&
4689 gameMode != IcsObserving && gameMode != IcsIdle &&
4690 gameMode != IcsExamining)
4691 ZippyFirstBoard(moveNum, basetime, increment);
4694 /* Put the move on the move list, first converting
4695 to canonical algebraic form. */
4697 if (appData.debugMode) {
4698 int f = forwardMostMove;
4699 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4700 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4701 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4702 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4703 fprintf(debugFP, "moveNum = %d\n", moveNum);
4704 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4705 setbuf(debugFP, NULL);
4707 if (moveNum <= backwardMostMove) {
4708 /* We don't know what the board looked like before
4710 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4711 strcat(parseList[moveNum - 1], " ");
4712 strcat(parseList[moveNum - 1], elapsed_time);
4713 moveList[moveNum - 1][0] = NULLCHAR;
4714 } else if (strcmp(move_str, "none") == 0) {
4715 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4716 /* Again, we don't know what the board looked like;
4717 this is really the start of the game. */
4718 parseList[moveNum - 1][0] = NULLCHAR;
4719 moveList[moveNum - 1][0] = NULLCHAR;
4720 backwardMostMove = moveNum;
4721 startedFromSetupPosition = TRUE;
4722 fromX = fromY = toX = toY = -1;
4724 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4725 // So we parse the long-algebraic move string in stead of the SAN move
4726 int valid; char buf[MSG_SIZ], *prom;
4728 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4729 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4730 // str looks something like "Q/a1-a2"; kill the slash
4732 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4733 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4734 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4735 strcat(buf, prom); // long move lacks promo specification!
4736 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4737 if(appData.debugMode)
4738 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4739 safeStrCpy(move_str, buf, MSG_SIZ);
4741 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4742 &fromX, &fromY, &toX, &toY, &promoChar)
4743 || ParseOneMove(buf, moveNum - 1, &moveType,
4744 &fromX, &fromY, &toX, &toY, &promoChar);
4745 // end of long SAN patch
4747 (void) CoordsToAlgebraic(boards[moveNum - 1],
4748 PosFlags(moveNum - 1),
4749 fromY, fromX, toY, toX, promoChar,
4750 parseList[moveNum-1]);
4751 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4757 if(gameInfo.variant != VariantShogi)
4758 strcat(parseList[moveNum - 1], "+");
4761 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4762 strcat(parseList[moveNum - 1], "#");
4765 strcat(parseList[moveNum - 1], " ");
4766 strcat(parseList[moveNum - 1], elapsed_time);
4767 /* currentMoveString is set as a side-effect of ParseOneMove */
4768 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4769 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4770 strcat(moveList[moveNum - 1], "\n");
4772 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4773 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4774 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4775 ChessSquare old, new = boards[moveNum][k][j];
4776 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4777 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4778 if(old == new) continue;
4779 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4780 else if(new == WhiteWazir || new == BlackWazir) {
4781 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4782 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4783 else boards[moveNum][k][j] = old; // preserve type of Gold
4784 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4785 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4788 /* Move from ICS was illegal!? Punt. */
4789 if (appData.debugMode) {
4790 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4791 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4793 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4794 strcat(parseList[moveNum - 1], " ");
4795 strcat(parseList[moveNum - 1], elapsed_time);
4796 moveList[moveNum - 1][0] = NULLCHAR;
4797 fromX = fromY = toX = toY = -1;
4800 if (appData.debugMode) {
4801 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4802 setbuf(debugFP, NULL);
4806 /* Send move to chess program (BEFORE animating it). */
4807 if (appData.zippyPlay && !newGame && newMove &&
4808 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4810 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4811 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4812 if (moveList[moveNum - 1][0] == NULLCHAR) {
4813 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4815 DisplayError(str, 0);
4817 if (first.sendTime) {
4818 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4820 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4821 if (firstMove && !bookHit) {
4823 if (first.useColors) {
4824 SendToProgram(gameMode == IcsPlayingWhite ?
4826 "black\ngo\n", &first);
4828 SendToProgram("go\n", &first);
4830 first.maybeThinking = TRUE;
4833 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4834 if (moveList[moveNum - 1][0] == NULLCHAR) {
4835 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4836 DisplayError(str, 0);
4838 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4839 SendMoveToProgram(moveNum - 1, &first);
4846 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4847 /* If move comes from a remote source, animate it. If it
4848 isn't remote, it will have already been animated. */
4849 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4850 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4852 if (!pausing && appData.highlightLastMove) {
4853 SetHighlights(fromX, fromY, toX, toY);
4857 /* Start the clocks */
4858 whiteFlag = blackFlag = FALSE;
4859 appData.clockMode = !(basetime == 0 && increment == 0);
4861 ics_clock_paused = TRUE;
4863 } else if (ticking == 1) {
4864 ics_clock_paused = FALSE;
4866 if (gameMode == IcsIdle ||
4867 relation == RELATION_OBSERVING_STATIC ||
4868 relation == RELATION_EXAMINING ||
4870 DisplayBothClocks();
4874 /* Display opponents and material strengths */
4875 if (gameInfo.variant != VariantBughouse &&
4876 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4877 if (tinyLayout || smallLayout) {
4878 if(gameInfo.variant == VariantNormal)
4879 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4880 gameInfo.white, white_stren, gameInfo.black, black_stren,
4881 basetime, increment);
4883 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4884 gameInfo.white, white_stren, gameInfo.black, black_stren,
4885 basetime, increment, (int) gameInfo.variant);
4887 if(gameInfo.variant == VariantNormal)
4888 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4889 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4890 basetime, increment);
4892 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4893 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4894 basetime, increment, VariantName(gameInfo.variant));
4897 if (appData.debugMode) {
4898 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4903 /* Display the board */
4904 if (!pausing && !appData.noGUI) {
4906 if (appData.premove)
4908 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4909 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4910 ClearPremoveHighlights();
4912 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4913 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4914 DrawPosition(j, boards[currentMove]);
4916 DisplayMove(moveNum - 1);
4917 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4918 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4919 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4920 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4924 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4926 if(bookHit) { // [HGM] book: simulate book reply
4927 static char bookMove[MSG_SIZ]; // a bit generous?
4929 programStats.nodes = programStats.depth = programStats.time =
4930 programStats.score = programStats.got_only_move = 0;
4931 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4933 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4934 strcat(bookMove, bookHit);
4935 HandleMachineMove(bookMove, &first);
4944 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4945 ics_getting_history = H_REQUESTED;
4946 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4952 SendToBoth (char *msg)
4953 { // to make it easy to keep two engines in step in dual analysis
4954 SendToProgram(msg, &first);
4955 if(second.analyzing) SendToProgram(msg, &second);
4959 AnalysisPeriodicEvent (int force)
4961 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4962 && !force) || !appData.periodicUpdates)
4965 /* Send . command to Crafty to collect stats */
4968 /* Don't send another until we get a response (this makes
4969 us stop sending to old Crafty's which don't understand
4970 the "." command (sending illegal cmds resets node count & time,
4971 which looks bad)) */
4972 programStats.ok_to_send = 0;
4976 ics_update_width (int new_width)
4978 ics_printf("set width %d\n", new_width);
4982 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4986 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4987 // null move in variant where engine does not understand it (for analysis purposes)
4988 SendBoard(cps, moveNum + 1); // send position after move in stead.
4991 if (cps->useUsermove) {
4992 SendToProgram("usermove ", cps);
4996 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4997 int len = space - parseList[moveNum];
4998 memcpy(buf, parseList[moveNum], len);
5000 buf[len] = NULLCHAR;
5002 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5004 SendToProgram(buf, cps);
5006 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5007 AlphaRank(moveList[moveNum], 4);
5008 SendToProgram(moveList[moveNum], cps);
5009 AlphaRank(moveList[moveNum], 4); // and back
5011 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5012 * the engine. It would be nice to have a better way to identify castle
5014 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
5015 && cps->useOOCastle) {
5016 int fromX = moveList[moveNum][0] - AAA;
5017 int fromY = moveList[moveNum][1] - ONE;
5018 int toX = moveList[moveNum][2] - AAA;
5019 int toY = moveList[moveNum][3] - ONE;
5020 if((boards[moveNum][fromY][fromX] == WhiteKing
5021 && boards[moveNum][toY][toX] == WhiteRook)
5022 || (boards[moveNum][fromY][fromX] == BlackKing
5023 && boards[moveNum][toY][toX] == BlackRook)) {
5024 if(toX > fromX) SendToProgram("O-O\n", cps);
5025 else SendToProgram("O-O-O\n", cps);
5027 else SendToProgram(moveList[moveNum], cps);
5029 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5030 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5031 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5032 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5033 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5035 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5036 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5037 SendToProgram(buf, cps);
5039 else SendToProgram(moveList[moveNum], cps);
5040 /* End of additions by Tord */
5043 /* [HGM] setting up the opening has brought engine in force mode! */
5044 /* Send 'go' if we are in a mode where machine should play. */
5045 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5046 (gameMode == TwoMachinesPlay ||
5048 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5050 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5051 SendToProgram("go\n", cps);
5052 if (appData.debugMode) {
5053 fprintf(debugFP, "(extra)\n");
5056 setboardSpoiledMachineBlack = 0;
5060 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5062 char user_move[MSG_SIZ];
5065 if(gameInfo.variant == VariantSChess && promoChar) {
5066 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5067 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5068 } else suffix[0] = NULLCHAR;
5072 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5073 (int)moveType, fromX, fromY, toX, toY);
5074 DisplayError(user_move + strlen("say "), 0);
5076 case WhiteKingSideCastle:
5077 case BlackKingSideCastle:
5078 case WhiteQueenSideCastleWild:
5079 case BlackQueenSideCastleWild:
5081 case WhiteHSideCastleFR:
5082 case BlackHSideCastleFR:
5084 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5086 case WhiteQueenSideCastle:
5087 case BlackQueenSideCastle:
5088 case WhiteKingSideCastleWild:
5089 case BlackKingSideCastleWild:
5091 case WhiteASideCastleFR:
5092 case BlackASideCastleFR:
5094 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5096 case WhiteNonPromotion:
5097 case BlackNonPromotion:
5098 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5100 case WhitePromotion:
5101 case BlackPromotion:
5102 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5103 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
5104 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5105 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5106 PieceToChar(WhiteFerz));
5107 else if(gameInfo.variant == VariantGreat)
5108 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5109 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5110 PieceToChar(WhiteMan));
5112 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5113 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5119 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5120 ToUpper(PieceToChar((ChessSquare) fromX)),
5121 AAA + toX, ONE + toY);
5123 case IllegalMove: /* could be a variant we don't quite understand */
5124 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5126 case WhiteCapturesEnPassant:
5127 case BlackCapturesEnPassant:
5128 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5129 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5132 SendToICS(user_move);
5133 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5134 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5139 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5140 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5141 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5142 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5143 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5146 if(gameMode != IcsExamining) { // is this ever not the case?
5147 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5149 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5150 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5151 } else { // on FICS we must first go to general examine mode
5152 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5154 if(gameInfo.variant != VariantNormal) {
5155 // try figure out wild number, as xboard names are not always valid on ICS
5156 for(i=1; i<=36; i++) {
5157 snprintf(buf, MSG_SIZ, "wild/%d", i);
5158 if(StringToVariant(buf) == gameInfo.variant) break;
5160 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5161 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5162 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5163 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5164 SendToICS(ics_prefix);
5166 if(startedFromSetupPosition || backwardMostMove != 0) {
5167 fen = PositionToFEN(backwardMostMove, NULL, 1);
5168 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5169 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5171 } else { // FICS: everything has to set by separate bsetup commands
5172 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5173 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5175 if(!WhiteOnMove(backwardMostMove)) {
5176 SendToICS("bsetup tomove black\n");
5178 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5179 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5181 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5182 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5184 i = boards[backwardMostMove][EP_STATUS];
5185 if(i >= 0) { // set e.p.
5186 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5192 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5193 SendToICS("bsetup done\n"); // switch to normal examining.
5195 for(i = backwardMostMove; i<last; i++) {
5197 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5198 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5199 int len = strlen(moveList[i]);
5200 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5201 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5205 SendToICS(ics_prefix);
5206 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5210 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5212 if (rf == DROP_RANK) {
5213 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5214 sprintf(move, "%c@%c%c\n",
5215 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5217 if (promoChar == 'x' || promoChar == NULLCHAR) {
5218 sprintf(move, "%c%c%c%c\n",
5219 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5221 sprintf(move, "%c%c%c%c%c\n",
5222 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5228 ProcessICSInitScript (FILE *f)
5232 while (fgets(buf, MSG_SIZ, f)) {
5233 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5240 static int lastX, lastY, selectFlag, dragging;
5245 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5246 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5247 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5248 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5249 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5250 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5253 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5254 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5255 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5256 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5257 if(!step) step = -1;
5258 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5259 appData.testLegality && (promoSweep == king ||
5260 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5262 int victim = boards[currentMove][toY][toX];
5263 boards[currentMove][toY][toX] = promoSweep;
5264 DrawPosition(FALSE, boards[currentMove]);
5265 boards[currentMove][toY][toX] = victim;
5267 ChangeDragPiece(promoSweep);
5271 PromoScroll (int x, int y)
5275 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5276 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5277 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5278 if(!step) return FALSE;
5279 lastX = x; lastY = y;
5280 if((promoSweep < BlackPawn) == flipView) step = -step;
5281 if(step > 0) selectFlag = 1;
5282 if(!selectFlag) Sweep(step);
5287 NextPiece (int step)
5289 ChessSquare piece = boards[currentMove][toY][toX];
5292 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5293 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5294 if(!step) step = -1;
5295 } while(PieceToChar(pieceSweep) == '.');
5296 boards[currentMove][toY][toX] = pieceSweep;
5297 DrawPosition(FALSE, boards[currentMove]);
5298 boards[currentMove][toY][toX] = piece;
5300 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5302 AlphaRank (char *move, int n)
5304 // char *p = move, c; int x, y;
5306 if (appData.debugMode) {
5307 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5311 move[2]>='0' && move[2]<='9' &&
5312 move[3]>='a' && move[3]<='x' ) {
5314 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5315 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5317 if(move[0]>='0' && move[0]<='9' &&
5318 move[1]>='a' && move[1]<='x' &&
5319 move[2]>='0' && move[2]<='9' &&
5320 move[3]>='a' && move[3]<='x' ) {
5321 /* input move, Shogi -> normal */
5322 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5323 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5324 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5325 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5328 move[3]>='0' && move[3]<='9' &&
5329 move[2]>='a' && move[2]<='x' ) {
5331 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5332 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5335 move[0]>='a' && move[0]<='x' &&
5336 move[3]>='0' && move[3]<='9' &&
5337 move[2]>='a' && move[2]<='x' ) {
5338 /* output move, normal -> Shogi */
5339 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5340 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5341 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5342 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5343 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5345 if (appData.debugMode) {
5346 fprintf(debugFP, " out = '%s'\n", move);
5350 char yy_textstr[8000];
5352 /* Parser for moves from gnuchess, ICS, or user typein box */
5354 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5356 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5358 switch (*moveType) {
5359 case WhitePromotion:
5360 case BlackPromotion:
5361 case WhiteNonPromotion:
5362 case BlackNonPromotion:
5364 case WhiteCapturesEnPassant:
5365 case BlackCapturesEnPassant:
5366 case WhiteKingSideCastle:
5367 case WhiteQueenSideCastle:
5368 case BlackKingSideCastle:
5369 case BlackQueenSideCastle:
5370 case WhiteKingSideCastleWild:
5371 case WhiteQueenSideCastleWild:
5372 case BlackKingSideCastleWild:
5373 case BlackQueenSideCastleWild:
5374 /* Code added by Tord: */
5375 case WhiteHSideCastleFR:
5376 case WhiteASideCastleFR:
5377 case BlackHSideCastleFR:
5378 case BlackASideCastleFR:
5379 /* End of code added by Tord */
5380 case IllegalMove: /* bug or odd chess variant */
5381 *fromX = currentMoveString[0] - AAA;
5382 *fromY = currentMoveString[1] - ONE;
5383 *toX = currentMoveString[2] - AAA;
5384 *toY = currentMoveString[3] - ONE;
5385 *promoChar = currentMoveString[4];
5386 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5387 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5388 if (appData.debugMode) {
5389 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5391 *fromX = *fromY = *toX = *toY = 0;
5394 if (appData.testLegality) {
5395 return (*moveType != IllegalMove);
5397 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5398 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5403 *fromX = *moveType == WhiteDrop ?
5404 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5405 (int) CharToPiece(ToLower(currentMoveString[0]));
5407 *toX = currentMoveString[2] - AAA;
5408 *toY = currentMoveString[3] - ONE;
5409 *promoChar = NULLCHAR;
5413 case ImpossibleMove:
5423 if (appData.debugMode) {
5424 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5427 *fromX = *fromY = *toX = *toY = 0;
5428 *promoChar = NULLCHAR;
5433 Boolean pushed = FALSE;
5434 char *lastParseAttempt;
5437 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5438 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5439 int fromX, fromY, toX, toY; char promoChar;
5444 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5445 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5446 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5449 endPV = forwardMostMove;
5451 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5452 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5453 lastParseAttempt = pv;
5454 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5455 if(!valid && nr == 0 &&
5456 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5457 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5458 // Hande case where played move is different from leading PV move
5459 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5460 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5461 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5462 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5463 endPV += 2; // if position different, keep this
5464 moveList[endPV-1][0] = fromX + AAA;
5465 moveList[endPV-1][1] = fromY + ONE;
5466 moveList[endPV-1][2] = toX + AAA;
5467 moveList[endPV-1][3] = toY + ONE;
5468 parseList[endPV-1][0] = NULLCHAR;
5469 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5472 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5473 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5474 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5475 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5476 valid++; // allow comments in PV
5480 if(endPV+1 > framePtr) break; // no space, truncate
5483 CopyBoard(boards[endPV], boards[endPV-1]);
5484 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5485 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5486 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5487 CoordsToAlgebraic(boards[endPV - 1],
5488 PosFlags(endPV - 1),
5489 fromY, fromX, toY, toX, promoChar,
5490 parseList[endPV - 1]);
5492 if(atEnd == 2) return; // used hidden, for PV conversion
5493 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5494 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5495 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5496 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5497 DrawPosition(TRUE, boards[currentMove]);
5501 MultiPV (ChessProgramState *cps)
5502 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5504 for(i=0; i<cps->nrOptions; i++)
5505 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5510 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5513 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5515 int startPV, multi, lineStart, origIndex = index;
5516 char *p, buf2[MSG_SIZ];
5517 ChessProgramState *cps = (pane ? &second : &first);
5519 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5520 lastX = x; lastY = y;
5521 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5522 lineStart = startPV = index;
5523 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5524 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5526 do{ while(buf[index] && buf[index] != '\n') index++;
5527 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5529 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5530 int n = cps->option[multi].value;
5531 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5532 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5533 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5534 cps->option[multi].value = n;
5537 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5538 ExcludeClick(origIndex - lineStart);
5541 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5542 *start = startPV; *end = index-1;
5543 extendGame = (gameMode == AnalyzeMode && appData.autoExtend);
5550 static char buf[10*MSG_SIZ];
5551 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5553 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5554 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5555 for(i = forwardMostMove; i<endPV; i++){
5556 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5557 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5560 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5561 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5562 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5568 LoadPV (int x, int y)
5569 { // called on right mouse click to load PV
5570 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5571 lastX = x; lastY = y;
5572 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5580 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5581 if(endPV < 0) return;
5582 if(appData.autoCopyPV) CopyFENToClipboard();
5584 if(extendGame && currentMove > forwardMostMove) {
5585 Boolean saveAnimate = appData.animate;
5587 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5588 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5589 } else storedGames--; // abandon shelved tail of original game
5592 forwardMostMove = currentMove;
5593 currentMove = oldFMM;
5594 appData.animate = FALSE;
5595 ToNrEvent(forwardMostMove);
5596 appData.animate = saveAnimate;
5598 currentMove = forwardMostMove;
5599 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5600 ClearPremoveHighlights();
5601 DrawPosition(TRUE, boards[currentMove]);
5605 MovePV (int x, int y, int h)
5606 { // step through PV based on mouse coordinates (called on mouse move)
5607 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5609 // we must somehow check if right button is still down (might be released off board!)
5610 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5611 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5612 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5614 lastX = x; lastY = y;
5616 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5617 if(endPV < 0) return;
5618 if(y < margin) step = 1; else
5619 if(y > h - margin) step = -1;
5620 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5621 currentMove += step;
5622 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5623 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5624 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5625 DrawPosition(FALSE, boards[currentMove]);
5629 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5630 // All positions will have equal probability, but the current method will not provide a unique
5631 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5637 int piecesLeft[(int)BlackPawn];
5638 int seed, nrOfShuffles;
5641 GetPositionNumber ()
5642 { // sets global variable seed
5645 seed = appData.defaultFrcPosition;
5646 if(seed < 0) { // randomize based on time for negative FRC position numbers
5647 for(i=0; i<50; i++) seed += random();
5648 seed = random() ^ random() >> 8 ^ random() << 8;
5649 if(seed<0) seed = -seed;
5654 put (Board board, int pieceType, int rank, int n, int shade)
5655 // put the piece on the (n-1)-th empty squares of the given shade
5659 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5660 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5661 board[rank][i] = (ChessSquare) pieceType;
5662 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5664 piecesLeft[pieceType]--;
5673 AddOnePiece (Board board, int pieceType, int rank, int shade)
5674 // calculate where the next piece goes, (any empty square), and put it there
5678 i = seed % squaresLeft[shade];
5679 nrOfShuffles *= squaresLeft[shade];
5680 seed /= squaresLeft[shade];
5681 put(board, pieceType, rank, i, shade);
5685 AddTwoPieces (Board board, int pieceType, int rank)
5686 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5688 int i, n=squaresLeft[ANY], j=n-1, k;
5690 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5691 i = seed % k; // pick one
5694 while(i >= j) i -= j--;
5695 j = n - 1 - j; i += j;
5696 put(board, pieceType, rank, j, ANY);
5697 put(board, pieceType, rank, i, ANY);
5701 SetUpShuffle (Board board, int number)
5705 GetPositionNumber(); nrOfShuffles = 1;
5707 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5708 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5709 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5711 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5713 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5714 p = (int) board[0][i];
5715 if(p < (int) BlackPawn) piecesLeft[p] ++;
5716 board[0][i] = EmptySquare;
5719 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5720 // shuffles restricted to allow normal castling put KRR first
5721 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5722 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5723 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5724 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5725 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5726 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5727 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5728 put(board, WhiteRook, 0, 0, ANY);
5729 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5732 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5733 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5734 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5735 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5736 while(piecesLeft[p] >= 2) {
5737 AddOnePiece(board, p, 0, LITE);
5738 AddOnePiece(board, p, 0, DARK);
5740 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5743 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5744 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5745 // but we leave King and Rooks for last, to possibly obey FRC restriction
5746 if(p == (int)WhiteRook) continue;
5747 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5748 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5751 // now everything is placed, except perhaps King (Unicorn) and Rooks
5753 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5754 // Last King gets castling rights
5755 while(piecesLeft[(int)WhiteUnicorn]) {
5756 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5757 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5760 while(piecesLeft[(int)WhiteKing]) {
5761 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5762 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5767 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5768 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5771 // Only Rooks can be left; simply place them all
5772 while(piecesLeft[(int)WhiteRook]) {
5773 i = put(board, WhiteRook, 0, 0, ANY);
5774 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5777 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5779 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5782 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5783 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5786 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5790 SetCharTable (char *table, const char * map)
5791 /* [HGM] moved here from winboard.c because of its general usefulness */
5792 /* Basically a safe strcpy that uses the last character as King */
5794 int result = FALSE; int NrPieces;
5796 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5797 && NrPieces >= 12 && !(NrPieces&1)) {
5798 int i; /* [HGM] Accept even length from 12 to 34 */
5800 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5801 for( i=0; i<NrPieces/2-1; i++ ) {
5803 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5805 table[(int) WhiteKing] = map[NrPieces/2-1];
5806 table[(int) BlackKing] = map[NrPieces-1];
5815 Prelude (Board board)
5816 { // [HGM] superchess: random selection of exo-pieces
5817 int i, j, k; ChessSquare p;
5818 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5820 GetPositionNumber(); // use FRC position number
5822 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5823 SetCharTable(pieceToChar, appData.pieceToCharTable);
5824 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5825 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5828 j = seed%4; seed /= 4;
5829 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5830 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5831 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5832 j = seed%3 + (seed%3 >= j); seed /= 3;
5833 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5834 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5835 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5836 j = seed%3; seed /= 3;
5837 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5838 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5839 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5840 j = seed%2 + (seed%2 >= j); seed /= 2;
5841 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5842 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5843 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5844 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5845 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5846 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5847 put(board, exoPieces[0], 0, 0, ANY);
5848 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5852 InitPosition (int redraw)
5854 ChessSquare (* pieces)[BOARD_FILES];
5855 int i, j, pawnRow, overrule,
5856 oldx = gameInfo.boardWidth,
5857 oldy = gameInfo.boardHeight,
5858 oldh = gameInfo.holdingsWidth;
5861 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5863 /* [AS] Initialize pv info list [HGM] and game status */
5865 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5866 pvInfoList[i].depth = 0;
5867 boards[i][EP_STATUS] = EP_NONE;
5868 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5871 initialRulePlies = 0; /* 50-move counter start */
5873 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5874 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5878 /* [HGM] logic here is completely changed. In stead of full positions */
5879 /* the initialized data only consist of the two backranks. The switch */
5880 /* selects which one we will use, which is than copied to the Board */
5881 /* initialPosition, which for the rest is initialized by Pawns and */
5882 /* empty squares. This initial position is then copied to boards[0], */
5883 /* possibly after shuffling, so that it remains available. */
5885 gameInfo.holdingsWidth = 0; /* default board sizes */
5886 gameInfo.boardWidth = 8;
5887 gameInfo.boardHeight = 8;
5888 gameInfo.holdingsSize = 0;
5889 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5890 for(i=0; i<BOARD_FILES-2; i++)
5891 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5892 initialPosition[EP_STATUS] = EP_NONE;
5893 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5894 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5895 SetCharTable(pieceNickName, appData.pieceNickNames);
5896 else SetCharTable(pieceNickName, "............");
5899 switch (gameInfo.variant) {
5900 case VariantFischeRandom:
5901 shuffleOpenings = TRUE;
5904 case VariantShatranj:
5905 pieces = ShatranjArray;
5906 nrCastlingRights = 0;
5907 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5910 pieces = makrukArray;
5911 nrCastlingRights = 0;
5912 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5915 pieces = aseanArray;
5916 nrCastlingRights = 0;
5917 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
5919 case VariantTwoKings:
5920 pieces = twoKingsArray;
5923 pieces = GrandArray;
5924 nrCastlingRights = 0;
5925 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5926 gameInfo.boardWidth = 10;
5927 gameInfo.boardHeight = 10;
5928 gameInfo.holdingsSize = 7;
5930 case VariantCapaRandom:
5931 shuffleOpenings = TRUE;
5932 case VariantCapablanca:
5933 pieces = CapablancaArray;
5934 gameInfo.boardWidth = 10;
5935 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5938 pieces = GothicArray;
5939 gameInfo.boardWidth = 10;
5940 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5943 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5944 gameInfo.holdingsSize = 7;
5945 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
5948 pieces = JanusArray;
5949 gameInfo.boardWidth = 10;
5950 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5951 nrCastlingRights = 6;
5952 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5953 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5954 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5955 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5956 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5957 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5960 pieces = FalconArray;
5961 gameInfo.boardWidth = 10;
5962 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5964 case VariantXiangqi:
5965 pieces = XiangqiArray;
5966 gameInfo.boardWidth = 9;
5967 gameInfo.boardHeight = 10;
5968 nrCastlingRights = 0;
5969 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5972 pieces = ShogiArray;
5973 gameInfo.boardWidth = 9;
5974 gameInfo.boardHeight = 9;
5975 gameInfo.holdingsSize = 7;
5976 nrCastlingRights = 0;
5977 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5979 case VariantCourier:
5980 pieces = CourierArray;
5981 gameInfo.boardWidth = 12;
5982 nrCastlingRights = 0;
5983 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5985 case VariantKnightmate:
5986 pieces = KnightmateArray;
5987 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5989 case VariantSpartan:
5990 pieces = SpartanArray;
5991 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5994 pieces = fairyArray;
5995 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5998 pieces = GreatArray;
5999 gameInfo.boardWidth = 10;
6000 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6001 gameInfo.holdingsSize = 8;
6005 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6006 gameInfo.holdingsSize = 8;
6007 startedFromSetupPosition = TRUE;
6009 case VariantCrazyhouse:
6010 case VariantBughouse:
6012 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6013 gameInfo.holdingsSize = 5;
6015 case VariantWildCastle:
6017 /* !!?shuffle with kings guaranteed to be on d or e file */
6018 shuffleOpenings = 1;
6020 case VariantNoCastle:
6022 nrCastlingRights = 0;
6023 /* !!?unconstrained back-rank shuffle */
6024 shuffleOpenings = 1;
6029 if(appData.NrFiles >= 0) {
6030 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6031 gameInfo.boardWidth = appData.NrFiles;
6033 if(appData.NrRanks >= 0) {
6034 gameInfo.boardHeight = appData.NrRanks;
6036 if(appData.holdingsSize >= 0) {
6037 i = appData.holdingsSize;
6038 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6039 gameInfo.holdingsSize = i;
6041 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6042 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6043 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6045 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6046 if(pawnRow < 1) pawnRow = 1;
6047 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN || gameInfo.variant == VariantGrand) pawnRow = 2;
6049 /* User pieceToChar list overrules defaults */
6050 if(appData.pieceToCharTable != NULL)
6051 SetCharTable(pieceToChar, appData.pieceToCharTable);
6053 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6055 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6056 s = (ChessSquare) 0; /* account holding counts in guard band */
6057 for( i=0; i<BOARD_HEIGHT; i++ )
6058 initialPosition[i][j] = s;
6060 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6061 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
6062 initialPosition[pawnRow][j] = WhitePawn;
6063 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6064 if(gameInfo.variant == VariantXiangqi) {
6066 initialPosition[pawnRow][j] =
6067 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6068 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6069 initialPosition[2][j] = WhiteCannon;
6070 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6074 if(gameInfo.variant == VariantGrand) {
6075 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6076 initialPosition[0][j] = WhiteRook;
6077 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6080 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6082 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6085 initialPosition[1][j] = WhiteBishop;
6086 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6088 initialPosition[1][j] = WhiteRook;
6089 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6092 if( nrCastlingRights == -1) {
6093 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6094 /* This sets default castling rights from none to normal corners */
6095 /* Variants with other castling rights must set them themselves above */
6096 nrCastlingRights = 6;
6098 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6099 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6100 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6101 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6102 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6103 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6106 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6107 if(gameInfo.variant == VariantGreat) { // promotion commoners
6108 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6109 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6110 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6111 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6113 if( gameInfo.variant == VariantSChess ) {
6114 initialPosition[1][0] = BlackMarshall;
6115 initialPosition[2][0] = BlackAngel;
6116 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6117 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6118 initialPosition[1][1] = initialPosition[2][1] =
6119 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6121 if (appData.debugMode) {
6122 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6124 if(shuffleOpenings) {
6125 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6126 startedFromSetupPosition = TRUE;
6128 if(startedFromPositionFile) {
6129 /* [HGM] loadPos: use PositionFile for every new game */
6130 CopyBoard(initialPosition, filePosition);
6131 for(i=0; i<nrCastlingRights; i++)
6132 initialRights[i] = filePosition[CASTLING][i];
6133 startedFromSetupPosition = TRUE;
6136 CopyBoard(boards[0], initialPosition);
6138 if(oldx != gameInfo.boardWidth ||
6139 oldy != gameInfo.boardHeight ||
6140 oldv != gameInfo.variant ||
6141 oldh != gameInfo.holdingsWidth
6143 InitDrawingSizes(-2 ,0);
6145 oldv = gameInfo.variant;
6147 DrawPosition(TRUE, boards[currentMove]);
6151 SendBoard (ChessProgramState *cps, int moveNum)
6153 char message[MSG_SIZ];
6155 if (cps->useSetboard) {
6156 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6157 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6158 SendToProgram(message, cps);
6163 int i, j, left=0, right=BOARD_WIDTH;
6164 /* Kludge to set black to move, avoiding the troublesome and now
6165 * deprecated "black" command.
6167 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6168 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6170 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6172 SendToProgram("edit\n", cps);
6173 SendToProgram("#\n", cps);
6174 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6175 bp = &boards[moveNum][i][left];
6176 for (j = left; j < right; j++, bp++) {
6177 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6178 if ((int) *bp < (int) BlackPawn) {
6179 if(j == BOARD_RGHT+1)
6180 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6181 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6182 if(message[0] == '+' || message[0] == '~') {
6183 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6184 PieceToChar((ChessSquare)(DEMOTED *bp)),
6187 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6188 message[1] = BOARD_RGHT - 1 - j + '1';
6189 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6191 SendToProgram(message, cps);
6196 SendToProgram("c\n", cps);
6197 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6198 bp = &boards[moveNum][i][left];
6199 for (j = left; j < right; j++, bp++) {
6200 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6201 if (((int) *bp != (int) EmptySquare)
6202 && ((int) *bp >= (int) BlackPawn)) {
6203 if(j == BOARD_LEFT-2)
6204 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6205 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6207 if(message[0] == '+' || message[0] == '~') {
6208 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6209 PieceToChar((ChessSquare)(DEMOTED *bp)),
6212 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6213 message[1] = BOARD_RGHT - 1 - j + '1';
6214 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6216 SendToProgram(message, cps);
6221 SendToProgram(".\n", cps);
6223 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6226 char exclusionHeader[MSG_SIZ];
6227 int exCnt, excludePtr;
6228 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6229 static Exclusion excluTab[200];
6230 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6236 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6237 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6243 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6244 excludePtr = 24; exCnt = 0;
6249 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6250 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6251 char buf[2*MOVE_LEN], *p;
6252 Exclusion *e = excluTab;
6254 for(i=0; i<exCnt; i++)
6255 if(e[i].ff == fromX && e[i].fr == fromY &&
6256 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6257 if(i == exCnt) { // was not in exclude list; add it
6258 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6259 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6260 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6263 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6264 excludePtr++; e[i].mark = excludePtr++;
6265 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6268 exclusionHeader[e[i].mark] = state;
6272 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6273 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6277 if((signed char)promoChar == -1) { // kludge to indicate best move
6278 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6279 return 1; // if unparsable, abort
6281 // update exclusion map (resolving toggle by consulting existing state)
6282 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6284 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6285 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6286 excludeMap[k] |= 1<<j;
6287 else excludeMap[k] &= ~(1<<j);
6289 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6291 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6292 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6294 return (state == '+');
6298 ExcludeClick (int index)
6301 Exclusion *e = excluTab;
6302 if(index < 25) { // none, best or tail clicked
6303 if(index < 13) { // none: include all
6304 WriteMap(0); // clear map
6305 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6306 SendToBoth("include all\n"); // and inform engine
6307 } else if(index > 18) { // tail
6308 if(exclusionHeader[19] == '-') { // tail was excluded
6309 SendToBoth("include all\n");
6310 WriteMap(0); // clear map completely
6311 // now re-exclude selected moves
6312 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6313 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6314 } else { // tail was included or in mixed state
6315 SendToBoth("exclude all\n");
6316 WriteMap(0xFF); // fill map completely
6317 // now re-include selected moves
6318 j = 0; // count them
6319 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6320 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6321 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6324 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6327 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6328 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6329 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6336 DefaultPromoChoice (int white)
6339 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6340 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
6341 result = WhiteFerz; // no choice
6342 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6343 result= WhiteKing; // in Suicide Q is the last thing we want
6344 else if(gameInfo.variant == VariantSpartan)
6345 result = white ? WhiteQueen : WhiteAngel;
6346 else result = WhiteQueen;
6347 if(!white) result = WHITE_TO_BLACK result;
6351 static int autoQueen; // [HGM] oneclick
6354 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6356 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6357 /* [HGM] add Shogi promotions */
6358 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6363 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6364 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6366 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6367 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6370 piece = boards[currentMove][fromY][fromX];
6371 if(gameInfo.variant == VariantShogi) {
6372 promotionZoneSize = BOARD_HEIGHT/3;
6373 highestPromotingPiece = (int)WhiteFerz;
6374 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6375 promotionZoneSize = 3;
6378 // Treat Lance as Pawn when it is not representing Amazon
6379 if(gameInfo.variant != VariantSuper) {
6380 if(piece == WhiteLance) piece = WhitePawn; else
6381 if(piece == BlackLance) piece = BlackPawn;
6384 // next weed out all moves that do not touch the promotion zone at all
6385 if((int)piece >= BlackPawn) {
6386 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6388 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6390 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6391 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6394 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6396 // weed out mandatory Shogi promotions
6397 if(gameInfo.variant == VariantShogi) {
6398 if(piece >= BlackPawn) {
6399 if(toY == 0 && piece == BlackPawn ||
6400 toY == 0 && piece == BlackQueen ||
6401 toY <= 1 && piece == BlackKnight) {
6406 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6407 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6408 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6415 // weed out obviously illegal Pawn moves
6416 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6417 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6418 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6419 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6420 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6421 // note we are not allowed to test for valid (non-)capture, due to premove
6424 // we either have a choice what to promote to, or (in Shogi) whether to promote
6425 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6426 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) {
6427 *promoChoice = PieceToChar(BlackFerz); // no choice
6430 // no sense asking what we must promote to if it is going to explode...
6431 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6432 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6435 // give caller the default choice even if we will not make it
6436 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6437 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6438 if( sweepSelect && gameInfo.variant != VariantGreat
6439 && gameInfo.variant != VariantGrand
6440 && gameInfo.variant != VariantSuper) return FALSE;
6441 if(autoQueen) return FALSE; // predetermined
6443 // suppress promotion popup on illegal moves that are not premoves
6444 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6445 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6446 if(appData.testLegality && !premove) {
6447 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6448 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6449 if(moveType != WhitePromotion && moveType != BlackPromotion)
6457 InPalace (int row, int column)
6458 { /* [HGM] for Xiangqi */
6459 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6460 column < (BOARD_WIDTH + 4)/2 &&
6461 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6466 PieceForSquare (int x, int y)
6468 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6471 return boards[currentMove][y][x];
6475 OKToStartUserMove (int x, int y)
6477 ChessSquare from_piece;
6480 if (matchMode) return FALSE;
6481 if (gameMode == EditPosition) return TRUE;
6483 if (x >= 0 && y >= 0)
6484 from_piece = boards[currentMove][y][x];
6486 from_piece = EmptySquare;
6488 if (from_piece == EmptySquare) return FALSE;
6490 white_piece = (int)from_piece >= (int)WhitePawn &&
6491 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6495 case TwoMachinesPlay:
6503 case MachinePlaysWhite:
6504 case IcsPlayingBlack:
6505 if (appData.zippyPlay) return FALSE;
6507 DisplayMoveError(_("You are playing Black"));
6512 case MachinePlaysBlack:
6513 case IcsPlayingWhite:
6514 if (appData.zippyPlay) return FALSE;
6516 DisplayMoveError(_("You are playing White"));
6521 case PlayFromGameFile:
6522 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6524 if (!white_piece && WhiteOnMove(currentMove)) {
6525 DisplayMoveError(_("It is White's turn"));
6528 if (white_piece && !WhiteOnMove(currentMove)) {
6529 DisplayMoveError(_("It is Black's turn"));
6532 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6533 /* Editing correspondence game history */
6534 /* Could disallow this or prompt for confirmation */
6539 case BeginningOfGame:
6540 if (appData.icsActive) return FALSE;
6541 if (!appData.noChessProgram) {
6543 DisplayMoveError(_("You are playing White"));
6550 if (!white_piece && WhiteOnMove(currentMove)) {
6551 DisplayMoveError(_("It is White's turn"));
6554 if (white_piece && !WhiteOnMove(currentMove)) {
6555 DisplayMoveError(_("It is Black's turn"));
6564 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6565 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6566 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6567 && gameMode != AnalyzeFile && gameMode != Training) {
6568 DisplayMoveError(_("Displayed position is not current"));
6575 OnlyMove (int *x, int *y, Boolean captures)
6577 DisambiguateClosure cl;
6578 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6580 case MachinePlaysBlack:
6581 case IcsPlayingWhite:
6582 case BeginningOfGame:
6583 if(!WhiteOnMove(currentMove)) return FALSE;
6585 case MachinePlaysWhite:
6586 case IcsPlayingBlack:
6587 if(WhiteOnMove(currentMove)) return FALSE;
6594 cl.pieceIn = EmptySquare;
6599 cl.promoCharIn = NULLCHAR;
6600 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6601 if( cl.kind == NormalMove ||
6602 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6603 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6604 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6611 if(cl.kind != ImpossibleMove) return FALSE;
6612 cl.pieceIn = EmptySquare;
6617 cl.promoCharIn = NULLCHAR;
6618 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6619 if( cl.kind == NormalMove ||
6620 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6621 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6622 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6627 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6633 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6634 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6635 int lastLoadGameUseList = FALSE;
6636 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6637 ChessMove lastLoadGameStart = EndOfFile;
6641 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6645 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6647 /* Check if the user is playing in turn. This is complicated because we
6648 let the user "pick up" a piece before it is his turn. So the piece he
6649 tried to pick up may have been captured by the time he puts it down!
6650 Therefore we use the color the user is supposed to be playing in this
6651 test, not the color of the piece that is currently on the starting
6652 square---except in EditGame mode, where the user is playing both
6653 sides; fortunately there the capture race can't happen. (It can
6654 now happen in IcsExamining mode, but that's just too bad. The user
6655 will get a somewhat confusing message in that case.)
6660 case TwoMachinesPlay:
6664 /* We switched into a game mode where moves are not accepted,
6665 perhaps while the mouse button was down. */
6668 case MachinePlaysWhite:
6669 /* User is moving for Black */
6670 if (WhiteOnMove(currentMove)) {
6671 DisplayMoveError(_("It is White's turn"));
6676 case MachinePlaysBlack:
6677 /* User is moving for White */
6678 if (!WhiteOnMove(currentMove)) {
6679 DisplayMoveError(_("It is Black's turn"));
6684 case PlayFromGameFile:
6685 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6688 case BeginningOfGame:
6691 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6692 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6693 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6694 /* User is moving for Black */
6695 if (WhiteOnMove(currentMove)) {
6696 DisplayMoveError(_("It is White's turn"));
6700 /* User is moving for White */
6701 if (!WhiteOnMove(currentMove)) {
6702 DisplayMoveError(_("It is Black's turn"));
6708 case IcsPlayingBlack:
6709 /* User is moving for Black */
6710 if (WhiteOnMove(currentMove)) {
6711 if (!appData.premove) {
6712 DisplayMoveError(_("It is White's turn"));
6713 } else if (toX >= 0 && toY >= 0) {
6716 premoveFromX = fromX;
6717 premoveFromY = fromY;
6718 premovePromoChar = promoChar;
6720 if (appData.debugMode)
6721 fprintf(debugFP, "Got premove: fromX %d,"
6722 "fromY %d, toX %d, toY %d\n",
6723 fromX, fromY, toX, toY);
6729 case IcsPlayingWhite:
6730 /* User is moving for White */
6731 if (!WhiteOnMove(currentMove)) {
6732 if (!appData.premove) {
6733 DisplayMoveError(_("It is Black's turn"));
6734 } else if (toX >= 0 && toY >= 0) {
6737 premoveFromX = fromX;
6738 premoveFromY = fromY;
6739 premovePromoChar = promoChar;
6741 if (appData.debugMode)
6742 fprintf(debugFP, "Got premove: fromX %d,"
6743 "fromY %d, toX %d, toY %d\n",
6744 fromX, fromY, toX, toY);
6754 /* EditPosition, empty square, or different color piece;
6755 click-click move is possible */
6756 if (toX == -2 || toY == -2) {
6757 boards[0][fromY][fromX] = EmptySquare;
6758 DrawPosition(FALSE, boards[currentMove]);
6760 } else if (toX >= 0 && toY >= 0) {
6761 boards[0][toY][toX] = boards[0][fromY][fromX];
6762 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6763 if(boards[0][fromY][0] != EmptySquare) {
6764 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6765 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6768 if(fromX == BOARD_RGHT+1) {
6769 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6770 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6771 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6774 boards[0][fromY][fromX] = gatingPiece;
6775 DrawPosition(FALSE, boards[currentMove]);
6781 if(toX < 0 || toY < 0) return;
6782 pup = boards[currentMove][toY][toX];
6784 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6785 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6786 if( pup != EmptySquare ) return;
6787 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6788 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6789 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6790 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6791 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6792 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6793 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6797 /* [HGM] always test for legality, to get promotion info */
6798 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6799 fromY, fromX, toY, toX, promoChar);
6801 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6803 /* [HGM] but possibly ignore an IllegalMove result */
6804 if (appData.testLegality) {
6805 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6806 DisplayMoveError(_("Illegal move"));
6811 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6812 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6813 ClearPremoveHighlights(); // was included
6814 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6818 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6821 /* Common tail of UserMoveEvent and DropMenuEvent */
6823 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6827 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6828 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6829 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6830 if(WhiteOnMove(currentMove)) {
6831 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6833 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6837 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6838 move type in caller when we know the move is a legal promotion */
6839 if(moveType == NormalMove && promoChar)
6840 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6842 /* [HGM] <popupFix> The following if has been moved here from
6843 UserMoveEvent(). Because it seemed to belong here (why not allow
6844 piece drops in training games?), and because it can only be
6845 performed after it is known to what we promote. */
6846 if (gameMode == Training) {
6847 /* compare the move played on the board to the next move in the
6848 * game. If they match, display the move and the opponent's response.
6849 * If they don't match, display an error message.
6853 CopyBoard(testBoard, boards[currentMove]);
6854 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6856 if (CompareBoards(testBoard, boards[currentMove+1])) {
6857 ForwardInner(currentMove+1);
6859 /* Autoplay the opponent's response.
6860 * if appData.animate was TRUE when Training mode was entered,
6861 * the response will be animated.
6863 saveAnimate = appData.animate;
6864 appData.animate = animateTraining;
6865 ForwardInner(currentMove+1);
6866 appData.animate = saveAnimate;
6868 /* check for the end of the game */
6869 if (currentMove >= forwardMostMove) {
6870 gameMode = PlayFromGameFile;
6872 SetTrainingModeOff();
6873 DisplayInformation(_("End of game"));
6876 DisplayError(_("Incorrect move"), 0);
6881 /* Ok, now we know that the move is good, so we can kill
6882 the previous line in Analysis Mode */
6883 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6884 && currentMove < forwardMostMove) {
6885 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6886 else forwardMostMove = currentMove;
6891 /* If we need the chess program but it's dead, restart it */
6892 ResurrectChessProgram();
6894 /* A user move restarts a paused game*/
6898 thinkOutput[0] = NULLCHAR;
6900 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6902 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6903 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6907 if (gameMode == BeginningOfGame) {
6908 if (appData.noChessProgram) {
6909 gameMode = EditGame;
6913 gameMode = MachinePlaysBlack;
6916 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6918 if (first.sendName) {
6919 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6920 SendToProgram(buf, &first);
6927 /* Relay move to ICS or chess engine */
6928 if (appData.icsActive) {
6929 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6930 gameMode == IcsExamining) {
6931 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6932 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6934 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6936 // also send plain move, in case ICS does not understand atomic claims
6937 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6941 if (first.sendTime && (gameMode == BeginningOfGame ||
6942 gameMode == MachinePlaysWhite ||
6943 gameMode == MachinePlaysBlack)) {
6944 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6946 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
6947 // [HGM] book: if program might be playing, let it use book
6948 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6949 first.maybeThinking = TRUE;
6950 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6951 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6952 SendBoard(&first, currentMove+1);
6953 if(second.analyzing) {
6954 if(!second.useSetboard) SendToProgram("undo\n", &second);
6955 SendBoard(&second, currentMove+1);
6958 SendMoveToProgram(forwardMostMove-1, &first);
6959 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
6961 if (currentMove == cmailOldMove + 1) {
6962 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6966 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6970 if(appData.testLegality)
6971 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6977 if (WhiteOnMove(currentMove)) {
6978 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6980 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6984 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6989 case MachinePlaysBlack:
6990 case MachinePlaysWhite:
6991 /* disable certain menu options while machine is thinking */
6992 SetMachineThinkingEnables();
6999 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7000 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7002 if(bookHit) { // [HGM] book: simulate book reply
7003 static char bookMove[MSG_SIZ]; // a bit generous?
7005 programStats.nodes = programStats.depth = programStats.time =
7006 programStats.score = programStats.got_only_move = 0;
7007 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7009 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7010 strcat(bookMove, bookHit);
7011 HandleMachineMove(bookMove, &first);
7017 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7019 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7020 Markers *m = (Markers *) closure;
7021 if(rf == fromY && ff == fromX)
7022 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7023 || kind == WhiteCapturesEnPassant
7024 || kind == BlackCapturesEnPassant);
7025 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
7029 MarkTargetSquares (int clear)
7032 if(clear) // no reason to ever suppress clearing
7033 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
7034 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7035 !appData.testLegality || gameMode == EditPosition) return;
7038 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7039 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7040 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7042 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7045 DrawPosition(FALSE, NULL);
7049 Explode (Board board, int fromX, int fromY, int toX, int toY)
7051 if(gameInfo.variant == VariantAtomic &&
7052 (board[toY][toX] != EmptySquare || // capture?
7053 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7054 board[fromY][fromX] == BlackPawn )
7056 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7062 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7065 CanPromote (ChessSquare piece, int y)
7067 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7068 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7069 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
7070 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7071 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7072 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) return FALSE;
7073 return (piece == BlackPawn && y == 1 ||
7074 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
7075 piece == BlackLance && y == 1 ||
7076 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7080 LeftClick (ClickType clickType, int xPix, int yPix)
7083 Boolean saveAnimate;
7084 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7085 char promoChoice = NULLCHAR;
7087 static TimeMark lastClickTime, prevClickTime;
7089 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7091 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7093 if (clickType == Press) ErrorPopDown();
7095 x = EventToSquare(xPix, BOARD_WIDTH);
7096 y = EventToSquare(yPix, BOARD_HEIGHT);
7097 if (!flipView && y >= 0) {
7098 y = BOARD_HEIGHT - 1 - y;
7100 if (flipView && x >= 0) {
7101 x = BOARD_WIDTH - 1 - x;
7104 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7105 defaultPromoChoice = promoSweep;
7106 promoSweep = EmptySquare; // terminate sweep
7107 promoDefaultAltered = TRUE;
7108 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7111 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7112 if(clickType == Release) return; // ignore upclick of click-click destination
7113 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7114 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7115 if(gameInfo.holdingsWidth &&
7116 (WhiteOnMove(currentMove)
7117 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7118 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7119 // click in right holdings, for determining promotion piece
7120 ChessSquare p = boards[currentMove][y][x];
7121 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7122 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7123 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7124 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7129 DrawPosition(FALSE, boards[currentMove]);
7133 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7134 if(clickType == Press
7135 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7136 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7137 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7140 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7141 // could be static click on premove from-square: abort premove
7143 ClearPremoveHighlights();
7146 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7147 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7149 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7150 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7151 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7152 defaultPromoChoice = DefaultPromoChoice(side);
7155 autoQueen = appData.alwaysPromoteToQueen;
7159 gatingPiece = EmptySquare;
7160 if (clickType != Press) {
7161 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7162 DragPieceEnd(xPix, yPix); dragging = 0;
7163 DrawPosition(FALSE, NULL);
7167 doubleClick = FALSE;
7168 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7169 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7171 fromX = x; fromY = y; toX = toY = -1;
7172 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7173 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7174 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7176 if (OKToStartUserMove(fromX, fromY)) {
7178 MarkTargetSquares(0);
7179 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7180 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7181 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7182 promoSweep = defaultPromoChoice;
7183 selectFlag = 0; lastX = xPix; lastY = yPix;
7184 Sweep(0); // Pawn that is going to promote: preview promotion piece
7185 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7187 if (appData.highlightDragging) {
7188 SetHighlights(fromX, fromY, -1, -1);
7192 } else fromX = fromY = -1;
7198 if (clickType == Press && gameMode != EditPosition) {
7203 // ignore off-board to clicks
7204 if(y < 0 || x < 0) return;
7206 /* Check if clicking again on the same color piece */
7207 fromP = boards[currentMove][fromY][fromX];
7208 toP = boards[currentMove][y][x];
7209 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7210 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7211 WhitePawn <= toP && toP <= WhiteKing &&
7212 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7213 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7214 (BlackPawn <= fromP && fromP <= BlackKing &&
7215 BlackPawn <= toP && toP <= BlackKing &&
7216 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7217 !(fromP == BlackKing && toP == BlackRook && frc))) {
7218 /* Clicked again on same color piece -- changed his mind */
7219 second = (x == fromX && y == fromY);
7220 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7221 second = FALSE; // first double-click rather than scond click
7222 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7224 promoDefaultAltered = FALSE;
7225 MarkTargetSquares(1);
7226 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
7227 if (appData.highlightDragging) {
7228 SetHighlights(x, y, -1, -1);
7232 if (OKToStartUserMove(x, y)) {
7233 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7234 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7235 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7236 gatingPiece = boards[currentMove][fromY][fromX];
7237 else gatingPiece = doubleClick ? fromP : EmptySquare;
7239 fromY = y; dragging = 1;
7240 MarkTargetSquares(0);
7241 DragPieceBegin(xPix, yPix, FALSE);
7242 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7243 promoSweep = defaultPromoChoice;
7244 selectFlag = 0; lastX = xPix; lastY = yPix;
7245 Sweep(0); // Pawn that is going to promote: preview promotion piece
7249 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7252 // ignore clicks on holdings
7253 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7256 if (clickType == Release && x == fromX && y == fromY) {
7257 DragPieceEnd(xPix, yPix); dragging = 0;
7259 // a deferred attempt to click-click move an empty square on top of a piece
7260 boards[currentMove][y][x] = EmptySquare;
7262 DrawPosition(FALSE, boards[currentMove]);
7263 fromX = fromY = -1; clearFlag = 0;
7266 if (appData.animateDragging) {
7267 /* Undo animation damage if any */
7268 DrawPosition(FALSE, NULL);
7270 if (second || sweepSelecting) {
7271 /* Second up/down in same square; just abort move */
7272 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7273 second = sweepSelecting = 0;
7275 gatingPiece = EmptySquare;
7278 ClearPremoveHighlights();
7280 /* First upclick in same square; start click-click mode */
7281 SetHighlights(x, y, -1, -1);
7288 /* we now have a different from- and (possibly off-board) to-square */
7289 /* Completed move */
7290 if(!sweepSelecting) {
7293 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7295 saveAnimate = appData.animate;
7296 if (clickType == Press) {
7297 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7298 // must be Edit Position mode with empty-square selected
7299 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7300 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7303 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7304 if(appData.sweepSelect) {
7305 ChessSquare piece = boards[currentMove][fromY][fromX];
7306 promoSweep = defaultPromoChoice;
7307 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7308 selectFlag = 0; lastX = xPix; lastY = yPix;
7309 Sweep(0); // Pawn that is going to promote: preview promotion piece
7311 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7312 MarkTargetSquares(1);
7314 return; // promo popup appears on up-click
7316 /* Finish clickclick move */
7317 if (appData.animate || appData.highlightLastMove) {
7318 SetHighlights(fromX, fromY, toX, toY);
7324 // [HGM] this must be done after the move is made, as with arrow it could lead to a board redraw with piece still on from square
7325 /* Finish drag move */
7326 if (appData.highlightLastMove) {
7327 SetHighlights(fromX, fromY, toX, toY);
7332 DragPieceEnd(xPix, yPix); dragging = 0;
7333 /* Don't animate move and drag both */
7334 appData.animate = FALSE;
7337 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7338 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7339 ChessSquare piece = boards[currentMove][fromY][fromX];
7340 if(gameMode == EditPosition && piece != EmptySquare &&
7341 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7344 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7345 n = PieceToNumber(piece - (int)BlackPawn);
7346 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7347 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7348 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7350 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7351 n = PieceToNumber(piece);
7352 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7353 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7354 boards[currentMove][n][BOARD_WIDTH-2]++;
7356 boards[currentMove][fromY][fromX] = EmptySquare;
7360 MarkTargetSquares(1);
7361 DrawPosition(TRUE, boards[currentMove]);
7365 // off-board moves should not be highlighted
7366 if(x < 0 || y < 0) ClearHighlights();
7368 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7370 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7371 SetHighlights(fromX, fromY, toX, toY);
7372 MarkTargetSquares(1);
7373 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7374 // [HGM] super: promotion to captured piece selected from holdings
7375 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7376 promotionChoice = TRUE;
7377 // kludge follows to temporarily execute move on display, without promoting yet
7378 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7379 boards[currentMove][toY][toX] = p;
7380 DrawPosition(FALSE, boards[currentMove]);
7381 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7382 boards[currentMove][toY][toX] = q;
7383 DisplayMessage("Click in holdings to choose piece", "");
7388 int oldMove = currentMove;
7389 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7390 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7391 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7392 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7393 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7394 DrawPosition(TRUE, boards[currentMove]);
7395 MarkTargetSquares(1);
7398 appData.animate = saveAnimate;
7399 if (appData.animate || appData.animateDragging) {
7400 /* Undo animation damage if needed */
7401 DrawPosition(FALSE, NULL);
7406 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7407 { // front-end-free part taken out of PieceMenuPopup
7408 int whichMenu; int xSqr, ySqr;
7410 if(seekGraphUp) { // [HGM] seekgraph
7411 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7412 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7416 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7417 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7418 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7419 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7420 if(action == Press) {
7421 originalFlip = flipView;
7422 flipView = !flipView; // temporarily flip board to see game from partners perspective
7423 DrawPosition(TRUE, partnerBoard);
7424 DisplayMessage(partnerStatus, "");
7426 } else if(action == Release) {
7427 flipView = originalFlip;
7428 DrawPosition(TRUE, boards[currentMove]);
7434 xSqr = EventToSquare(x, BOARD_WIDTH);
7435 ySqr = EventToSquare(y, BOARD_HEIGHT);
7436 if (action == Release) {
7437 if(pieceSweep != EmptySquare) {
7438 EditPositionMenuEvent(pieceSweep, toX, toY);
7439 pieceSweep = EmptySquare;
7440 } else UnLoadPV(); // [HGM] pv
7442 if (action != Press) return -2; // return code to be ignored
7445 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7447 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7448 if (xSqr < 0 || ySqr < 0) return -1;
7449 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7450 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7451 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7452 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7456 if(!appData.icsEngineAnalyze) return -1;
7457 case IcsPlayingWhite:
7458 case IcsPlayingBlack:
7459 if(!appData.zippyPlay) goto noZip;
7462 case MachinePlaysWhite:
7463 case MachinePlaysBlack:
7464 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7465 if (!appData.dropMenu) {
7467 return 2; // flag front-end to grab mouse events
7469 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7470 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7473 if (xSqr < 0 || ySqr < 0) return -1;
7474 if (!appData.dropMenu || appData.testLegality &&
7475 gameInfo.variant != VariantBughouse &&
7476 gameInfo.variant != VariantCrazyhouse) return -1;
7477 whichMenu = 1; // drop menu
7483 if (((*fromX = xSqr) < 0) ||
7484 ((*fromY = ySqr) < 0)) {
7485 *fromX = *fromY = -1;
7489 *fromX = BOARD_WIDTH - 1 - *fromX;
7491 *fromY = BOARD_HEIGHT - 1 - *fromY;
7497 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7499 // char * hint = lastHint;
7500 FrontEndProgramStats stats;
7502 stats.which = cps == &first ? 0 : 1;
7503 stats.depth = cpstats->depth;
7504 stats.nodes = cpstats->nodes;
7505 stats.score = cpstats->score;
7506 stats.time = cpstats->time;
7507 stats.pv = cpstats->movelist;
7508 stats.hint = lastHint;
7509 stats.an_move_index = 0;
7510 stats.an_move_count = 0;
7512 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7513 stats.hint = cpstats->move_name;
7514 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7515 stats.an_move_count = cpstats->nr_moves;
7518 if(stats.pv && stats.pv[0]) safeStrCpy(lastPV[stats.which], stats.pv, sizeof(lastPV[stats.which])/sizeof(lastPV[stats.which][0])); // [HGM] pv: remember last PV of each
7520 SetProgramStats( &stats );
7524 ClearEngineOutputPane (int which)
7526 static FrontEndProgramStats dummyStats;
7527 dummyStats.which = which;
7528 dummyStats.pv = "#";
7529 SetProgramStats( &dummyStats );
7532 #define MAXPLAYERS 500
7535 TourneyStandings (int display)
7537 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7538 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7539 char result, *p, *names[MAXPLAYERS];
7541 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7542 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7543 names[0] = p = strdup(appData.participants);
7544 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7546 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7548 while(result = appData.results[nr]) {
7549 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7550 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7551 wScore = bScore = 0;
7553 case '+': wScore = 2; break;
7554 case '-': bScore = 2; break;
7555 case '=': wScore = bScore = 1; break;
7557 case '*': return strdup("busy"); // tourney not finished
7565 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7566 for(w=0; w<nPlayers; w++) {
7568 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7569 ranking[w] = b; points[w] = bScore; score[b] = -2;
7571 p = malloc(nPlayers*34+1);
7572 for(w=0; w<nPlayers && w<display; w++)
7573 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7579 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7580 { // count all piece types
7582 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7583 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7584 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7587 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7588 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7589 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7590 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7591 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7592 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7597 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7599 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7600 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7602 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7603 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7604 if(myPawns == 2 && nMine == 3) // KPP
7605 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7606 if(myPawns == 1 && nMine == 2) // KP
7607 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7608 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7609 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7610 if(myPawns) return FALSE;
7611 if(pCnt[WhiteRook+side])
7612 return pCnt[BlackRook-side] ||
7613 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7614 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7615 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7616 if(pCnt[WhiteCannon+side]) {
7617 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7618 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7620 if(pCnt[WhiteKnight+side])
7621 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7626 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7628 VariantClass v = gameInfo.variant;
7630 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7631 if(v == VariantShatranj) return TRUE; // always winnable through baring
7632 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7633 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7635 if(v == VariantXiangqi) {
7636 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7638 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7639 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7640 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7641 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7642 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7643 if(stale) // we have at least one last-rank P plus perhaps C
7644 return majors // KPKX
7645 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7647 return pCnt[WhiteFerz+side] // KCAK
7648 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7649 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7650 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7652 } else if(v == VariantKnightmate) {
7653 if(nMine == 1) return FALSE;
7654 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7655 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7656 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7658 if(nMine == 1) return FALSE; // bare King
7659 if(nBishops && bisColor == 3) return TRUE; // There must be a second B/A/F, which can either block (his) or attack (mine) the escape square
7660 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7661 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7662 // by now we have King + 1 piece (or multiple Bishops on the same color)
7663 if(pCnt[WhiteKnight+side])
7664 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7665 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7666 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7668 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7669 if(pCnt[WhiteAlfil+side])
7670 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7671 if(pCnt[WhiteWazir+side])
7672 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7679 CompareWithRights (Board b1, Board b2)
7682 if(!CompareBoards(b1, b2)) return FALSE;
7683 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7684 /* compare castling rights */
7685 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7686 rights++; /* King lost rights, while rook still had them */
7687 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7688 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7689 rights++; /* but at least one rook lost them */
7691 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7693 if( b1[CASTLING][5] != NoRights ) {
7694 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7701 Adjudicate (ChessProgramState *cps)
7702 { // [HGM] some adjudications useful with buggy engines
7703 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7704 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7705 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7706 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7707 int k, drop, count = 0; static int bare = 1;
7708 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7709 Boolean canAdjudicate = !appData.icsActive;
7711 // most tests only when we understand the game, i.e. legality-checking on
7712 if( appData.testLegality )
7713 { /* [HGM] Some more adjudications for obstinate engines */
7714 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7715 static int moveCount = 6;
7717 char *reason = NULL;
7719 /* Count what is on board. */
7720 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7722 /* Some material-based adjudications that have to be made before stalemate test */
7723 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7724 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7725 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7726 if(canAdjudicate && appData.checkMates) {
7728 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7729 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7730 "Xboard adjudication: King destroyed", GE_XBOARD );
7735 /* Bare King in Shatranj (loses) or Losers (wins) */
7736 if( nrW == 1 || nrB == 1) {
7737 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7738 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7739 if(canAdjudicate && appData.checkMates) {
7741 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7742 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7743 "Xboard adjudication: Bare king", GE_XBOARD );
7747 if( gameInfo.variant == VariantShatranj && --bare < 0)
7749 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7750 if(canAdjudicate && appData.checkMates) {
7751 /* but only adjudicate if adjudication enabled */
7753 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7754 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7755 "Xboard adjudication: Bare king", GE_XBOARD );
7762 // don't wait for engine to announce game end if we can judge ourselves
7763 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7765 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7766 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7767 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7768 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7771 reason = "Xboard adjudication: 3rd check";
7772 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7782 reason = "Xboard adjudication: Stalemate";
7783 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7784 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7785 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7786 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7787 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7788 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7789 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7790 EP_CHECKMATE : EP_WINS);
7791 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
7792 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7796 reason = "Xboard adjudication: Checkmate";
7797 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7798 if(gameInfo.variant == VariantShogi) {
7799 if(forwardMostMove > backwardMostMove
7800 && moveList[forwardMostMove-1][1] == '@'
7801 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
7802 reason = "XBoard adjudication: pawn-drop mate";
7803 boards[forwardMostMove][EP_STATUS] = EP_WINS;
7809 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7811 result = GameIsDrawn; break;
7813 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7815 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7819 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7821 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7822 GameEnds( result, reason, GE_XBOARD );
7826 /* Next absolutely insufficient mating material. */
7827 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7828 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7829 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7831 /* always flag draws, for judging claims */
7832 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7834 if(canAdjudicate && appData.materialDraws) {
7835 /* but only adjudicate them if adjudication enabled */
7836 if(engineOpponent) {
7837 SendToProgram("force\n", engineOpponent); // suppress reply
7838 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7840 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7845 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7846 if(gameInfo.variant == VariantXiangqi ?
7847 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7849 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7850 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7851 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7852 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7854 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7855 { /* if the first 3 moves do not show a tactical win, declare draw */
7856 if(engineOpponent) {
7857 SendToProgram("force\n", engineOpponent); // suppress reply
7858 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7860 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7863 } else moveCount = 6;
7866 // Repetition draws and 50-move rule can be applied independently of legality testing
7868 /* Check for rep-draws */
7870 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
7871 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
7872 for(k = forwardMostMove-2;
7873 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
7874 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7875 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
7878 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7879 /* compare castling rights */
7880 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7881 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7882 rights++; /* King lost rights, while rook still had them */
7883 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7884 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7885 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7886 rights++; /* but at least one rook lost them */
7888 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7889 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7891 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7892 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7893 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7896 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7897 && appData.drawRepeats > 1) {
7898 /* adjudicate after user-specified nr of repeats */
7899 int result = GameIsDrawn;
7900 char *details = "XBoard adjudication: repetition draw";
7901 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
7902 // [HGM] xiangqi: check for forbidden perpetuals
7903 int m, ourPerpetual = 1, hisPerpetual = 1;
7904 for(m=forwardMostMove; m>k; m-=2) {
7905 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7906 ourPerpetual = 0; // the current mover did not always check
7907 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7908 hisPerpetual = 0; // the opponent did not always check
7910 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7911 ourPerpetual, hisPerpetual);
7912 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7913 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7914 details = "Xboard adjudication: perpetual checking";
7916 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7917 break; // (or we would have caught him before). Abort repetition-checking loop.
7919 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
7920 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
7922 details = "Xboard adjudication: repetition";
7924 } else // it must be XQ
7925 // Now check for perpetual chases
7926 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7927 hisPerpetual = PerpetualChase(k, forwardMostMove);
7928 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7929 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7930 static char resdet[MSG_SIZ];
7931 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7933 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7935 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7936 break; // Abort repetition-checking loop.
7938 // if neither of us is checking or chasing all the time, or both are, it is draw
7940 if(engineOpponent) {
7941 SendToProgram("force\n", engineOpponent); // suppress reply
7942 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7944 GameEnds( result, details, GE_XBOARD );
7947 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7948 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7952 /* Now we test for 50-move draws. Determine ply count */
7953 count = forwardMostMove;
7954 /* look for last irreversble move */
7955 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7957 /* if we hit starting position, add initial plies */
7958 if( count == backwardMostMove )
7959 count -= initialRulePlies;
7960 count = forwardMostMove - count;
7961 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7962 // adjust reversible move counter for checks in Xiangqi
7963 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7964 if(i < backwardMostMove) i = backwardMostMove;
7965 while(i <= forwardMostMove) {
7966 lastCheck = inCheck; // check evasion does not count
7967 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7968 if(inCheck || lastCheck) count--; // check does not count
7973 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7974 /* this is used to judge if draw claims are legal */
7975 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7976 if(engineOpponent) {
7977 SendToProgram("force\n", engineOpponent); // suppress reply
7978 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7980 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7984 /* if draw offer is pending, treat it as a draw claim
7985 * when draw condition present, to allow engines a way to
7986 * claim draws before making their move to avoid a race
7987 * condition occurring after their move
7989 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7991 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7992 p = "Draw claim: 50-move rule";
7993 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7994 p = "Draw claim: 3-fold repetition";
7995 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7996 p = "Draw claim: insufficient mating material";
7997 if( p != NULL && canAdjudicate) {
7998 if(engineOpponent) {
7999 SendToProgram("force\n", engineOpponent); // suppress reply
8000 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8002 GameEnds( GameIsDrawn, p, GE_XBOARD );
8007 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8008 if(engineOpponent) {
8009 SendToProgram("force\n", engineOpponent); // suppress reply
8010 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8012 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8019 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8020 { // [HGM] book: this routine intercepts moves to simulate book replies
8021 char *bookHit = NULL;
8023 //first determine if the incoming move brings opponent into his book
8024 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8025 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8026 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8027 if(bookHit != NULL && !cps->bookSuspend) {
8028 // make sure opponent is not going to reply after receiving move to book position
8029 SendToProgram("force\n", cps);
8030 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8032 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8033 // now arrange restart after book miss
8035 // after a book hit we never send 'go', and the code after the call to this routine
8036 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8037 char buf[MSG_SIZ], *move = bookHit;
8039 int fromX, fromY, toX, toY;
8043 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8044 &fromX, &fromY, &toX, &toY, &promoChar)) {
8045 (void) CoordsToAlgebraic(boards[forwardMostMove],
8046 PosFlags(forwardMostMove),
8047 fromY, fromX, toY, toX, promoChar, move);
8049 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8053 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8054 SendToProgram(buf, cps);
8055 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8056 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8057 SendToProgram("go\n", cps);
8058 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8059 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8060 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8061 SendToProgram("go\n", cps);
8062 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8064 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8068 LoadError (char *errmess, ChessProgramState *cps)
8069 { // unloads engine and switches back to -ncp mode if it was first
8070 if(cps->initDone) return FALSE;
8071 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8072 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8075 appData.noChessProgram = TRUE;
8076 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8077 gameMode = BeginningOfGame; ModeHighlight();
8080 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8081 DisplayMessage("", ""); // erase waiting message
8082 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8087 ChessProgramState *savedState;
8089 DeferredBookMove (void)
8091 if(savedState->lastPing != savedState->lastPong)
8092 ScheduleDelayedEvent(DeferredBookMove, 10);
8094 HandleMachineMove(savedMessage, savedState);
8097 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8098 static ChessProgramState *stalledEngine;
8099 static char stashedInputMove[MSG_SIZ];
8102 HandleMachineMove (char *message, ChessProgramState *cps)
8104 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8105 char realname[MSG_SIZ];
8106 int fromX, fromY, toX, toY;
8110 int machineWhite, oldError;
8113 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8114 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8115 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8116 DisplayError(_("Invalid pairing from pairing engine"), 0);
8119 pairingReceived = 1;
8121 return; // Skim the pairing messages here.
8124 oldError = cps->userError; cps->userError = 0;
8126 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8128 * Kludge to ignore BEL characters
8130 while (*message == '\007') message++;
8133 * [HGM] engine debug message: ignore lines starting with '#' character
8135 if(cps->debug && *message == '#') return;
8138 * Look for book output
8140 if (cps == &first && bookRequested) {
8141 if (message[0] == '\t' || message[0] == ' ') {
8142 /* Part of the book output is here; append it */
8143 strcat(bookOutput, message);
8144 strcat(bookOutput, " \n");
8146 } else if (bookOutput[0] != NULLCHAR) {
8147 /* All of book output has arrived; display it */
8148 char *p = bookOutput;
8149 while (*p != NULLCHAR) {
8150 if (*p == '\t') *p = ' ';
8153 DisplayInformation(bookOutput);
8154 bookRequested = FALSE;
8155 /* Fall through to parse the current output */
8160 * Look for machine move.
8162 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8163 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8165 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8166 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8167 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8168 stalledEngine = cps;
8169 if(appData.ponderNextMove) { // bring opponent out of ponder
8170 if(gameMode == TwoMachinesPlay) {
8171 if(cps->other->pause)
8172 PauseEngine(cps->other);
8174 SendToProgram("easy\n", cps->other);
8181 /* This method is only useful on engines that support ping */
8182 if (cps->lastPing != cps->lastPong) {
8183 if (gameMode == BeginningOfGame) {
8184 /* Extra move from before last new; ignore */
8185 if (appData.debugMode) {
8186 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8189 if (appData.debugMode) {
8190 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8191 cps->which, gameMode);
8194 SendToProgram("undo\n", cps);
8200 case BeginningOfGame:
8201 /* Extra move from before last reset; ignore */
8202 if (appData.debugMode) {
8203 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8210 /* Extra move after we tried to stop. The mode test is
8211 not a reliable way of detecting this problem, but it's
8212 the best we can do on engines that don't support ping.
8214 if (appData.debugMode) {
8215 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8216 cps->which, gameMode);
8218 SendToProgram("undo\n", cps);
8221 case MachinePlaysWhite:
8222 case IcsPlayingWhite:
8223 machineWhite = TRUE;
8226 case MachinePlaysBlack:
8227 case IcsPlayingBlack:
8228 machineWhite = FALSE;
8231 case TwoMachinesPlay:
8232 machineWhite = (cps->twoMachinesColor[0] == 'w');
8235 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8236 if (appData.debugMode) {
8238 "Ignoring move out of turn by %s, gameMode %d"
8239 ", forwardMost %d\n",
8240 cps->which, gameMode, forwardMostMove);
8245 if(cps->alphaRank) AlphaRank(machineMove, 4);
8246 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8247 &fromX, &fromY, &toX, &toY, &promoChar)) {
8248 /* Machine move could not be parsed; ignore it. */
8249 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8250 machineMove, _(cps->which));
8251 DisplayMoveError(buf1);
8252 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8253 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8254 if (gameMode == TwoMachinesPlay) {
8255 GameEnds(machineWhite ? BlackWins : WhiteWins,
8261 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8262 /* So we have to redo legality test with true e.p. status here, */
8263 /* to make sure an illegal e.p. capture does not slip through, */
8264 /* to cause a forfeit on a justified illegal-move complaint */
8265 /* of the opponent. */
8266 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8268 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8269 fromY, fromX, toY, toX, promoChar);
8270 if(moveType == IllegalMove) {
8271 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8272 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8273 GameEnds(machineWhite ? BlackWins : WhiteWins,
8276 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8277 /* [HGM] Kludge to handle engines that send FRC-style castling
8278 when they shouldn't (like TSCP-Gothic) */
8280 case WhiteASideCastleFR:
8281 case BlackASideCastleFR:
8283 currentMoveString[2]++;
8285 case WhiteHSideCastleFR:
8286 case BlackHSideCastleFR:
8288 currentMoveString[2]--;
8290 default: ; // nothing to do, but suppresses warning of pedantic compilers
8293 hintRequested = FALSE;
8294 lastHint[0] = NULLCHAR;
8295 bookRequested = FALSE;
8296 /* Program may be pondering now */
8297 cps->maybeThinking = TRUE;
8298 if (cps->sendTime == 2) cps->sendTime = 1;
8299 if (cps->offeredDraw) cps->offeredDraw--;
8301 /* [AS] Save move info*/
8302 pvInfoList[ forwardMostMove ].score = programStats.score;
8303 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8304 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8306 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8308 /* Test suites abort the 'game' after one move */
8309 if(*appData.finger) {
8311 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8312 if(!f) f = fopen(appData.finger, "w");
8313 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8314 else { DisplayFatalError("Bad output file", errno, 0); return; }
8316 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8319 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8320 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8323 while( count < adjudicateLossPlies ) {
8324 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8327 score = -score; /* Flip score for winning side */
8330 if( score > adjudicateLossThreshold ) {
8337 if( count >= adjudicateLossPlies ) {
8338 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8340 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8341 "Xboard adjudication",
8348 if(Adjudicate(cps)) {
8349 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8350 return; // [HGM] adjudicate: for all automatic game ends
8354 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8356 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8357 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8359 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8361 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8363 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8364 char buf[3*MSG_SIZ];
8366 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8367 programStats.score / 100.,
8369 programStats.time / 100.,
8370 (unsigned int)programStats.nodes,
8371 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8372 programStats.movelist);
8374 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8379 /* [AS] Clear stats for next move */
8380 ClearProgramStats();
8381 thinkOutput[0] = NULLCHAR;
8382 hiddenThinkOutputState = 0;
8385 if (gameMode == TwoMachinesPlay) {
8386 /* [HGM] relaying draw offers moved to after reception of move */
8387 /* and interpreting offer as claim if it brings draw condition */
8388 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8389 SendToProgram("draw\n", cps->other);
8391 if (cps->other->sendTime) {
8392 SendTimeRemaining(cps->other,
8393 cps->other->twoMachinesColor[0] == 'w');
8395 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8396 if (firstMove && !bookHit) {
8398 if (cps->other->useColors) {
8399 SendToProgram(cps->other->twoMachinesColor, cps->other);
8401 SendToProgram("go\n", cps->other);
8403 cps->other->maybeThinking = TRUE;
8406 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8408 if (!pausing && appData.ringBellAfterMoves) {
8413 * Reenable menu items that were disabled while
8414 * machine was thinking
8416 if (gameMode != TwoMachinesPlay)
8417 SetUserThinkingEnables();
8419 // [HGM] book: after book hit opponent has received move and is now in force mode
8420 // force the book reply into it, and then fake that it outputted this move by jumping
8421 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8423 static char bookMove[MSG_SIZ]; // a bit generous?
8425 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8426 strcat(bookMove, bookHit);
8429 programStats.nodes = programStats.depth = programStats.time =
8430 programStats.score = programStats.got_only_move = 0;
8431 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8433 if(cps->lastPing != cps->lastPong) {
8434 savedMessage = message; // args for deferred call
8436 ScheduleDelayedEvent(DeferredBookMove, 10);
8445 /* Set special modes for chess engines. Later something general
8446 * could be added here; for now there is just one kludge feature,
8447 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8448 * when "xboard" is given as an interactive command.
8450 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8451 cps->useSigint = FALSE;
8452 cps->useSigterm = FALSE;
8454 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8455 ParseFeatures(message+8, cps);
8456 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8459 if (!strncmp(message, "setup ", 6) &&
8460 (!appData.testLegality || gameInfo.variant == VariantFairy || NonStandardBoardSize())
8461 ) { // [HGM] allow first engine to define opening position
8462 int dummy, s=6; char buf[MSG_SIZ];
8463 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8464 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8465 if(startedFromSetupPosition) return;
8466 if(sscanf(message+s, "%dx%d+%d", &dummy, &dummy, &dummy) == 3) while(message[s] && message[s++] != ' '); // for compatibility with Alien Edition
8467 ParseFEN(boards[0], &dummy, message+s);
8468 DrawPosition(TRUE, boards[0]);
8469 startedFromSetupPosition = TRUE;
8472 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8473 * want this, I was asked to put it in, and obliged.
8475 if (!strncmp(message, "setboard ", 9)) {
8476 Board initial_position;
8478 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8480 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8481 DisplayError(_("Bad FEN received from engine"), 0);
8485 CopyBoard(boards[0], initial_position);
8486 initialRulePlies = FENrulePlies;
8487 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8488 else gameMode = MachinePlaysBlack;
8489 DrawPosition(FALSE, boards[currentMove]);
8495 * Look for communication commands
8497 if (!strncmp(message, "telluser ", 9)) {
8498 if(message[9] == '\\' && message[10] == '\\')
8499 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8501 DisplayNote(message + 9);
8504 if (!strncmp(message, "tellusererror ", 14)) {
8506 if(message[14] == '\\' && message[15] == '\\')
8507 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8509 DisplayError(message + 14, 0);
8512 if (!strncmp(message, "tellopponent ", 13)) {
8513 if (appData.icsActive) {
8515 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8519 DisplayNote(message + 13);
8523 if (!strncmp(message, "tellothers ", 11)) {
8524 if (appData.icsActive) {
8526 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8529 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8532 if (!strncmp(message, "tellall ", 8)) {
8533 if (appData.icsActive) {
8535 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8539 DisplayNote(message + 8);
8543 if (strncmp(message, "warning", 7) == 0) {
8544 /* Undocumented feature, use tellusererror in new code */
8545 DisplayError(message, 0);
8548 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8549 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8550 strcat(realname, " query");
8551 AskQuestion(realname, buf2, buf1, cps->pr);
8554 /* Commands from the engine directly to ICS. We don't allow these to be
8555 * sent until we are logged on. Crafty kibitzes have been known to
8556 * interfere with the login process.
8559 if (!strncmp(message, "tellics ", 8)) {
8560 SendToICS(message + 8);
8564 if (!strncmp(message, "tellicsnoalias ", 15)) {
8565 SendToICS(ics_prefix);
8566 SendToICS(message + 15);
8570 /* The following are for backward compatibility only */
8571 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8572 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8573 SendToICS(ics_prefix);
8579 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8583 * If the move is illegal, cancel it and redraw the board.
8584 * Also deal with other error cases. Matching is rather loose
8585 * here to accommodate engines written before the spec.
8587 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8588 strncmp(message, "Error", 5) == 0) {
8589 if (StrStr(message, "name") ||
8590 StrStr(message, "rating") || StrStr(message, "?") ||
8591 StrStr(message, "result") || StrStr(message, "board") ||
8592 StrStr(message, "bk") || StrStr(message, "computer") ||
8593 StrStr(message, "variant") || StrStr(message, "hint") ||
8594 StrStr(message, "random") || StrStr(message, "depth") ||
8595 StrStr(message, "accepted")) {
8598 if (StrStr(message, "protover")) {
8599 /* Program is responding to input, so it's apparently done
8600 initializing, and this error message indicates it is
8601 protocol version 1. So we don't need to wait any longer
8602 for it to initialize and send feature commands. */
8603 FeatureDone(cps, 1);
8604 cps->protocolVersion = 1;
8607 cps->maybeThinking = FALSE;
8609 if (StrStr(message, "draw")) {
8610 /* Program doesn't have "draw" command */
8611 cps->sendDrawOffers = 0;
8614 if (cps->sendTime != 1 &&
8615 (StrStr(message, "time") || StrStr(message, "otim"))) {
8616 /* Program apparently doesn't have "time" or "otim" command */
8620 if (StrStr(message, "analyze")) {
8621 cps->analysisSupport = FALSE;
8622 cps->analyzing = FALSE;
8623 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8624 EditGameEvent(); // [HGM] try to preserve loaded game
8625 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8626 DisplayError(buf2, 0);
8629 if (StrStr(message, "(no matching move)st")) {
8630 /* Special kludge for GNU Chess 4 only */
8631 cps->stKludge = TRUE;
8632 SendTimeControl(cps, movesPerSession, timeControl,
8633 timeIncrement, appData.searchDepth,
8637 if (StrStr(message, "(no matching move)sd")) {
8638 /* Special kludge for GNU Chess 4 only */
8639 cps->sdKludge = TRUE;
8640 SendTimeControl(cps, movesPerSession, timeControl,
8641 timeIncrement, appData.searchDepth,
8645 if (!StrStr(message, "llegal")) {
8648 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8649 gameMode == IcsIdle) return;
8650 if (forwardMostMove <= backwardMostMove) return;
8651 if (pausing) PauseEvent();
8652 if(appData.forceIllegal) {
8653 // [HGM] illegal: machine refused move; force position after move into it
8654 SendToProgram("force\n", cps);
8655 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8656 // we have a real problem now, as SendBoard will use the a2a3 kludge
8657 // when black is to move, while there might be nothing on a2 or black
8658 // might already have the move. So send the board as if white has the move.
8659 // But first we must change the stm of the engine, as it refused the last move
8660 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8661 if(WhiteOnMove(forwardMostMove)) {
8662 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8663 SendBoard(cps, forwardMostMove); // kludgeless board
8665 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8666 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8667 SendBoard(cps, forwardMostMove+1); // kludgeless board
8669 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8670 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8671 gameMode == TwoMachinesPlay)
8672 SendToProgram("go\n", cps);
8675 if (gameMode == PlayFromGameFile) {
8676 /* Stop reading this game file */
8677 gameMode = EditGame;
8680 /* [HGM] illegal-move claim should forfeit game when Xboard */
8681 /* only passes fully legal moves */
8682 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8683 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8684 "False illegal-move claim", GE_XBOARD );
8685 return; // do not take back move we tested as valid
8687 currentMove = forwardMostMove-1;
8688 DisplayMove(currentMove-1); /* before DisplayMoveError */
8689 SwitchClocks(forwardMostMove-1); // [HGM] race
8690 DisplayBothClocks();
8691 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8692 parseList[currentMove], _(cps->which));
8693 DisplayMoveError(buf1);
8694 DrawPosition(FALSE, boards[currentMove]);
8696 SetUserThinkingEnables();
8699 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8700 /* Program has a broken "time" command that
8701 outputs a string not ending in newline.
8707 * If chess program startup fails, exit with an error message.
8708 * Attempts to recover here are futile. [HGM] Well, we try anyway
8710 if ((StrStr(message, "unknown host") != NULL)
8711 || (StrStr(message, "No remote directory") != NULL)
8712 || (StrStr(message, "not found") != NULL)
8713 || (StrStr(message, "No such file") != NULL)
8714 || (StrStr(message, "can't alloc") != NULL)
8715 || (StrStr(message, "Permission denied") != NULL)) {
8717 cps->maybeThinking = FALSE;
8718 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8719 _(cps->which), cps->program, cps->host, message);
8720 RemoveInputSource(cps->isr);
8721 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8722 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8723 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8729 * Look for hint output
8731 if (sscanf(message, "Hint: %s", buf1) == 1) {
8732 if (cps == &first && hintRequested) {
8733 hintRequested = FALSE;
8734 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8735 &fromX, &fromY, &toX, &toY, &promoChar)) {
8736 (void) CoordsToAlgebraic(boards[forwardMostMove],
8737 PosFlags(forwardMostMove),
8738 fromY, fromX, toY, toX, promoChar, buf1);
8739 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8740 DisplayInformation(buf2);
8742 /* Hint move could not be parsed!? */
8743 snprintf(buf2, sizeof(buf2),
8744 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8745 buf1, _(cps->which));
8746 DisplayError(buf2, 0);
8749 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8755 * Ignore other messages if game is not in progress
8757 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8758 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8761 * look for win, lose, draw, or draw offer
8763 if (strncmp(message, "1-0", 3) == 0) {
8764 char *p, *q, *r = "";
8765 p = strchr(message, '{');
8773 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8775 } else if (strncmp(message, "0-1", 3) == 0) {
8776 char *p, *q, *r = "";
8777 p = strchr(message, '{');
8785 /* Kludge for Arasan 4.1 bug */
8786 if (strcmp(r, "Black resigns") == 0) {
8787 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8790 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8792 } else if (strncmp(message, "1/2", 3) == 0) {
8793 char *p, *q, *r = "";
8794 p = strchr(message, '{');
8803 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8806 } else if (strncmp(message, "White resign", 12) == 0) {
8807 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8809 } else if (strncmp(message, "Black resign", 12) == 0) {
8810 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8812 } else if (strncmp(message, "White matches", 13) == 0 ||
8813 strncmp(message, "Black matches", 13) == 0 ) {
8814 /* [HGM] ignore GNUShogi noises */
8816 } else if (strncmp(message, "White", 5) == 0 &&
8817 message[5] != '(' &&
8818 StrStr(message, "Black") == NULL) {
8819 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8821 } else if (strncmp(message, "Black", 5) == 0 &&
8822 message[5] != '(') {
8823 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8825 } else if (strcmp(message, "resign") == 0 ||
8826 strcmp(message, "computer resigns") == 0) {
8828 case MachinePlaysBlack:
8829 case IcsPlayingBlack:
8830 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8832 case MachinePlaysWhite:
8833 case IcsPlayingWhite:
8834 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8836 case TwoMachinesPlay:
8837 if (cps->twoMachinesColor[0] == 'w')
8838 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8840 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8847 } else if (strncmp(message, "opponent mates", 14) == 0) {
8849 case MachinePlaysBlack:
8850 case IcsPlayingBlack:
8851 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8853 case MachinePlaysWhite:
8854 case IcsPlayingWhite:
8855 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8857 case TwoMachinesPlay:
8858 if (cps->twoMachinesColor[0] == 'w')
8859 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8861 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8868 } else if (strncmp(message, "computer mates", 14) == 0) {
8870 case MachinePlaysBlack:
8871 case IcsPlayingBlack:
8872 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8874 case MachinePlaysWhite:
8875 case IcsPlayingWhite:
8876 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8878 case TwoMachinesPlay:
8879 if (cps->twoMachinesColor[0] == 'w')
8880 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8882 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8889 } else if (strncmp(message, "checkmate", 9) == 0) {
8890 if (WhiteOnMove(forwardMostMove)) {
8891 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8893 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8896 } else if (strstr(message, "Draw") != NULL ||
8897 strstr(message, "game is a draw") != NULL) {
8898 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8900 } else if (strstr(message, "offer") != NULL &&
8901 strstr(message, "draw") != NULL) {
8903 if (appData.zippyPlay && first.initDone) {
8904 /* Relay offer to ICS */
8905 SendToICS(ics_prefix);
8906 SendToICS("draw\n");
8909 cps->offeredDraw = 2; /* valid until this engine moves twice */
8910 if (gameMode == TwoMachinesPlay) {
8911 if (cps->other->offeredDraw) {
8912 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8913 /* [HGM] in two-machine mode we delay relaying draw offer */
8914 /* until after we also have move, to see if it is really claim */
8916 } else if (gameMode == MachinePlaysWhite ||
8917 gameMode == MachinePlaysBlack) {
8918 if (userOfferedDraw) {
8919 DisplayInformation(_("Machine accepts your draw offer"));
8920 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8922 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8929 * Look for thinking output
8931 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8932 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8934 int plylev, mvleft, mvtot, curscore, time;
8935 char mvname[MOVE_LEN];
8939 int prefixHint = FALSE;
8940 mvname[0] = NULLCHAR;
8943 case MachinePlaysBlack:
8944 case IcsPlayingBlack:
8945 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8947 case MachinePlaysWhite:
8948 case IcsPlayingWhite:
8949 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8954 case IcsObserving: /* [DM] icsEngineAnalyze */
8955 if (!appData.icsEngineAnalyze) ignore = TRUE;
8957 case TwoMachinesPlay:
8958 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8968 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8970 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8971 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8973 if (plyext != ' ' && plyext != '\t') {
8977 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8978 if( cps->scoreIsAbsolute &&
8979 ( gameMode == MachinePlaysBlack ||
8980 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8981 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8982 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8983 !WhiteOnMove(currentMove)
8986 curscore = -curscore;
8989 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8991 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8994 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8995 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8996 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8997 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8998 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8999 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9001 } else DisplayError(_("failed writing PV"), 0);
9004 tempStats.depth = plylev;
9005 tempStats.nodes = nodes;
9006 tempStats.time = time;
9007 tempStats.score = curscore;
9008 tempStats.got_only_move = 0;
9010 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9013 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9014 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9015 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9016 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9017 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9018 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9019 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9020 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9023 /* Buffer overflow protection */
9024 if (pv[0] != NULLCHAR) {
9025 if (strlen(pv) >= sizeof(tempStats.movelist)
9026 && appData.debugMode) {
9028 "PV is too long; using the first %u bytes.\n",
9029 (unsigned) sizeof(tempStats.movelist) - 1);
9032 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9034 sprintf(tempStats.movelist, " no PV\n");
9037 if (tempStats.seen_stat) {
9038 tempStats.ok_to_send = 1;
9041 if (strchr(tempStats.movelist, '(') != NULL) {
9042 tempStats.line_is_book = 1;
9043 tempStats.nr_moves = 0;
9044 tempStats.moves_left = 0;
9046 tempStats.line_is_book = 0;
9049 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9050 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9052 SendProgramStatsToFrontend( cps, &tempStats );
9055 [AS] Protect the thinkOutput buffer from overflow... this
9056 is only useful if buf1 hasn't overflowed first!
9058 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9060 (gameMode == TwoMachinesPlay ?
9061 ToUpper(cps->twoMachinesColor[0]) : ' '),
9062 ((double) curscore) / 100.0,
9063 prefixHint ? lastHint : "",
9064 prefixHint ? " " : "" );
9066 if( buf1[0] != NULLCHAR ) {
9067 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9069 if( strlen(pv) > max_len ) {
9070 if( appData.debugMode) {
9071 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9073 pv[max_len+1] = '\0';
9076 strcat( thinkOutput, pv);
9079 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9080 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9081 DisplayMove(currentMove - 1);
9085 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9086 /* crafty (9.25+) says "(only move) <move>"
9087 * if there is only 1 legal move
9089 sscanf(p, "(only move) %s", buf1);
9090 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9091 sprintf(programStats.movelist, "%s (only move)", buf1);
9092 programStats.depth = 1;
9093 programStats.nr_moves = 1;
9094 programStats.moves_left = 1;
9095 programStats.nodes = 1;
9096 programStats.time = 1;
9097 programStats.got_only_move = 1;
9099 /* Not really, but we also use this member to
9100 mean "line isn't going to change" (Crafty
9101 isn't searching, so stats won't change) */
9102 programStats.line_is_book = 1;
9104 SendProgramStatsToFrontend( cps, &programStats );
9106 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9107 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9108 DisplayMove(currentMove - 1);
9111 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9112 &time, &nodes, &plylev, &mvleft,
9113 &mvtot, mvname) >= 5) {
9114 /* The stat01: line is from Crafty (9.29+) in response
9115 to the "." command */
9116 programStats.seen_stat = 1;
9117 cps->maybeThinking = TRUE;
9119 if (programStats.got_only_move || !appData.periodicUpdates)
9122 programStats.depth = plylev;
9123 programStats.time = time;
9124 programStats.nodes = nodes;
9125 programStats.moves_left = mvleft;
9126 programStats.nr_moves = mvtot;
9127 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9128 programStats.ok_to_send = 1;
9129 programStats.movelist[0] = '\0';
9131 SendProgramStatsToFrontend( cps, &programStats );
9135 } else if (strncmp(message,"++",2) == 0) {
9136 /* Crafty 9.29+ outputs this */
9137 programStats.got_fail = 2;
9140 } else if (strncmp(message,"--",2) == 0) {
9141 /* Crafty 9.29+ outputs this */
9142 programStats.got_fail = 1;
9145 } else if (thinkOutput[0] != NULLCHAR &&
9146 strncmp(message, " ", 4) == 0) {
9147 unsigned message_len;
9150 while (*p && *p == ' ') p++;
9152 message_len = strlen( p );
9154 /* [AS] Avoid buffer overflow */
9155 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9156 strcat(thinkOutput, " ");
9157 strcat(thinkOutput, p);
9160 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9161 strcat(programStats.movelist, " ");
9162 strcat(programStats.movelist, p);
9165 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9166 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9167 DisplayMove(currentMove - 1);
9175 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9176 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9178 ChessProgramStats cpstats;
9180 if (plyext != ' ' && plyext != '\t') {
9184 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9185 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9186 curscore = -curscore;
9189 cpstats.depth = plylev;
9190 cpstats.nodes = nodes;
9191 cpstats.time = time;
9192 cpstats.score = curscore;
9193 cpstats.got_only_move = 0;
9194 cpstats.movelist[0] = '\0';
9196 if (buf1[0] != NULLCHAR) {
9197 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9200 cpstats.ok_to_send = 0;
9201 cpstats.line_is_book = 0;
9202 cpstats.nr_moves = 0;
9203 cpstats.moves_left = 0;
9205 SendProgramStatsToFrontend( cps, &cpstats );
9212 /* Parse a game score from the character string "game", and
9213 record it as the history of the current game. The game
9214 score is NOT assumed to start from the standard position.
9215 The display is not updated in any way.
9218 ParseGameHistory (char *game)
9221 int fromX, fromY, toX, toY, boardIndex;
9226 if (appData.debugMode)
9227 fprintf(debugFP, "Parsing game history: %s\n", game);
9229 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9230 gameInfo.site = StrSave(appData.icsHost);
9231 gameInfo.date = PGNDate();
9232 gameInfo.round = StrSave("-");
9234 /* Parse out names of players */
9235 while (*game == ' ') game++;
9237 while (*game != ' ') *p++ = *game++;
9239 gameInfo.white = StrSave(buf);
9240 while (*game == ' ') game++;
9242 while (*game != ' ' && *game != '\n') *p++ = *game++;
9244 gameInfo.black = StrSave(buf);
9247 boardIndex = blackPlaysFirst ? 1 : 0;
9250 yyboardindex = boardIndex;
9251 moveType = (ChessMove) Myylex();
9253 case IllegalMove: /* maybe suicide chess, etc. */
9254 if (appData.debugMode) {
9255 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9256 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9257 setbuf(debugFP, NULL);
9259 case WhitePromotion:
9260 case BlackPromotion:
9261 case WhiteNonPromotion:
9262 case BlackNonPromotion:
9264 case WhiteCapturesEnPassant:
9265 case BlackCapturesEnPassant:
9266 case WhiteKingSideCastle:
9267 case WhiteQueenSideCastle:
9268 case BlackKingSideCastle:
9269 case BlackQueenSideCastle:
9270 case WhiteKingSideCastleWild:
9271 case WhiteQueenSideCastleWild:
9272 case BlackKingSideCastleWild:
9273 case BlackQueenSideCastleWild:
9275 case WhiteHSideCastleFR:
9276 case WhiteASideCastleFR:
9277 case BlackHSideCastleFR:
9278 case BlackASideCastleFR:
9280 fromX = currentMoveString[0] - AAA;
9281 fromY = currentMoveString[1] - ONE;
9282 toX = currentMoveString[2] - AAA;
9283 toY = currentMoveString[3] - ONE;
9284 promoChar = currentMoveString[4];
9288 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9289 fromX = moveType == WhiteDrop ?
9290 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9291 (int) CharToPiece(ToLower(currentMoveString[0]));
9293 toX = currentMoveString[2] - AAA;
9294 toY = currentMoveString[3] - ONE;
9295 promoChar = NULLCHAR;
9299 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9300 if (appData.debugMode) {
9301 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9302 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9303 setbuf(debugFP, NULL);
9305 DisplayError(buf, 0);
9307 case ImpossibleMove:
9309 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9310 if (appData.debugMode) {
9311 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9312 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9313 setbuf(debugFP, NULL);
9315 DisplayError(buf, 0);
9318 if (boardIndex < backwardMostMove) {
9319 /* Oops, gap. How did that happen? */
9320 DisplayError(_("Gap in move list"), 0);
9323 backwardMostMove = blackPlaysFirst ? 1 : 0;
9324 if (boardIndex > forwardMostMove) {
9325 forwardMostMove = boardIndex;
9329 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9330 strcat(parseList[boardIndex-1], " ");
9331 strcat(parseList[boardIndex-1], yy_text);
9343 case GameUnfinished:
9344 if (gameMode == IcsExamining) {
9345 if (boardIndex < backwardMostMove) {
9346 /* Oops, gap. How did that happen? */
9349 backwardMostMove = blackPlaysFirst ? 1 : 0;
9352 gameInfo.result = moveType;
9353 p = strchr(yy_text, '{');
9354 if (p == NULL) p = strchr(yy_text, '(');
9357 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9359 q = strchr(p, *p == '{' ? '}' : ')');
9360 if (q != NULL) *q = NULLCHAR;
9363 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9364 gameInfo.resultDetails = StrSave(p);
9367 if (boardIndex >= forwardMostMove &&
9368 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9369 backwardMostMove = blackPlaysFirst ? 1 : 0;
9372 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9373 fromY, fromX, toY, toX, promoChar,
9374 parseList[boardIndex]);
9375 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9376 /* currentMoveString is set as a side-effect of yylex */
9377 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9378 strcat(moveList[boardIndex], "\n");
9380 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9381 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9387 if(gameInfo.variant != VariantShogi)
9388 strcat(parseList[boardIndex - 1], "+");
9392 strcat(parseList[boardIndex - 1], "#");
9399 /* Apply a move to the given board */
9401 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9403 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9404 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9406 /* [HGM] compute & store e.p. status and castling rights for new position */
9407 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9409 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9410 oldEP = (signed char)board[EP_STATUS];
9411 board[EP_STATUS] = EP_NONE;
9413 if (fromY == DROP_RANK) {
9415 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9416 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9419 piece = board[toY][toX] = (ChessSquare) fromX;
9423 if( board[toY][toX] != EmptySquare )
9424 board[EP_STATUS] = EP_CAPTURE;
9426 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9427 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9428 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9430 if( board[fromY][fromX] == WhitePawn ) {
9431 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9432 board[EP_STATUS] = EP_PAWN_MOVE;
9434 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9435 gameInfo.variant != VariantBerolina || toX < fromX)
9436 board[EP_STATUS] = toX | berolina;
9437 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9438 gameInfo.variant != VariantBerolina || toX > fromX)
9439 board[EP_STATUS] = toX;
9442 if( board[fromY][fromX] == BlackPawn ) {
9443 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9444 board[EP_STATUS] = EP_PAWN_MOVE;
9445 if( toY-fromY== -2) {
9446 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9447 gameInfo.variant != VariantBerolina || toX < fromX)
9448 board[EP_STATUS] = toX | berolina;
9449 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9450 gameInfo.variant != VariantBerolina || toX > fromX)
9451 board[EP_STATUS] = toX;
9455 for(i=0; i<nrCastlingRights; i++) {
9456 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9457 board[CASTLING][i] == toX && castlingRank[i] == toY
9458 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9461 if(gameInfo.variant == VariantSChess) { // update virginity
9462 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9463 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9464 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9465 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9468 if (fromX == toX && fromY == toY) return;
9470 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9471 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9472 if(gameInfo.variant == VariantKnightmate)
9473 king += (int) WhiteUnicorn - (int) WhiteKing;
9475 /* Code added by Tord: */
9476 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9477 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9478 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9479 board[fromY][fromX] = EmptySquare;
9480 board[toY][toX] = EmptySquare;
9481 if((toX > fromX) != (piece == WhiteRook)) {
9482 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9484 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9486 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9487 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9488 board[fromY][fromX] = EmptySquare;
9489 board[toY][toX] = EmptySquare;
9490 if((toX > fromX) != (piece == BlackRook)) {
9491 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9493 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9495 /* End of code added by Tord */
9497 } else if (board[fromY][fromX] == king
9498 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9499 && toY == fromY && toX > fromX+1) {
9500 board[fromY][fromX] = EmptySquare;
9501 board[toY][toX] = king;
9502 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9503 board[fromY][BOARD_RGHT-1] = EmptySquare;
9504 } else if (board[fromY][fromX] == king
9505 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9506 && toY == fromY && toX < fromX-1) {
9507 board[fromY][fromX] = EmptySquare;
9508 board[toY][toX] = king;
9509 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9510 board[fromY][BOARD_LEFT] = EmptySquare;
9511 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9512 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9513 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9515 /* white pawn promotion */
9516 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9517 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9518 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9519 board[fromY][fromX] = EmptySquare;
9520 } else if ((fromY >= BOARD_HEIGHT>>1)
9521 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9523 && gameInfo.variant != VariantXiangqi
9524 && gameInfo.variant != VariantBerolina
9525 && (board[fromY][fromX] == WhitePawn)
9526 && (board[toY][toX] == EmptySquare)) {
9527 board[fromY][fromX] = EmptySquare;
9528 board[toY][toX] = WhitePawn;
9529 captured = board[toY - 1][toX];
9530 board[toY - 1][toX] = EmptySquare;
9531 } else if ((fromY == BOARD_HEIGHT-4)
9533 && gameInfo.variant == VariantBerolina
9534 && (board[fromY][fromX] == WhitePawn)
9535 && (board[toY][toX] == EmptySquare)) {
9536 board[fromY][fromX] = EmptySquare;
9537 board[toY][toX] = WhitePawn;
9538 if(oldEP & EP_BEROLIN_A) {
9539 captured = board[fromY][fromX-1];
9540 board[fromY][fromX-1] = EmptySquare;
9541 }else{ captured = board[fromY][fromX+1];
9542 board[fromY][fromX+1] = EmptySquare;
9544 } else if (board[fromY][fromX] == king
9545 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9546 && toY == fromY && toX > fromX+1) {
9547 board[fromY][fromX] = EmptySquare;
9548 board[toY][toX] = king;
9549 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9550 board[fromY][BOARD_RGHT-1] = EmptySquare;
9551 } else if (board[fromY][fromX] == king
9552 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9553 && toY == fromY && toX < fromX-1) {
9554 board[fromY][fromX] = EmptySquare;
9555 board[toY][toX] = king;
9556 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9557 board[fromY][BOARD_LEFT] = EmptySquare;
9558 } else if (fromY == 7 && fromX == 3
9559 && board[fromY][fromX] == BlackKing
9560 && toY == 7 && toX == 5) {
9561 board[fromY][fromX] = EmptySquare;
9562 board[toY][toX] = BlackKing;
9563 board[fromY][7] = EmptySquare;
9564 board[toY][4] = BlackRook;
9565 } else if (fromY == 7 && fromX == 3
9566 && board[fromY][fromX] == BlackKing
9567 && toY == 7 && toX == 1) {
9568 board[fromY][fromX] = EmptySquare;
9569 board[toY][toX] = BlackKing;
9570 board[fromY][0] = EmptySquare;
9571 board[toY][2] = BlackRook;
9572 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9573 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9574 && toY < promoRank && promoChar
9576 /* black pawn promotion */
9577 board[toY][toX] = CharToPiece(ToLower(promoChar));
9578 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9579 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9580 board[fromY][fromX] = EmptySquare;
9581 } else if ((fromY < BOARD_HEIGHT>>1)
9582 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9584 && gameInfo.variant != VariantXiangqi
9585 && gameInfo.variant != VariantBerolina
9586 && (board[fromY][fromX] == BlackPawn)
9587 && (board[toY][toX] == EmptySquare)) {
9588 board[fromY][fromX] = EmptySquare;
9589 board[toY][toX] = BlackPawn;
9590 captured = board[toY + 1][toX];
9591 board[toY + 1][toX] = EmptySquare;
9592 } else if ((fromY == 3)
9594 && gameInfo.variant == VariantBerolina
9595 && (board[fromY][fromX] == BlackPawn)
9596 && (board[toY][toX] == EmptySquare)) {
9597 board[fromY][fromX] = EmptySquare;
9598 board[toY][toX] = BlackPawn;
9599 if(oldEP & EP_BEROLIN_A) {
9600 captured = board[fromY][fromX-1];
9601 board[fromY][fromX-1] = EmptySquare;
9602 }else{ captured = board[fromY][fromX+1];
9603 board[fromY][fromX+1] = EmptySquare;
9606 board[toY][toX] = board[fromY][fromX];
9607 board[fromY][fromX] = EmptySquare;
9611 if (gameInfo.holdingsWidth != 0) {
9613 /* !!A lot more code needs to be written to support holdings */
9614 /* [HGM] OK, so I have written it. Holdings are stored in the */
9615 /* penultimate board files, so they are automaticlly stored */
9616 /* in the game history. */
9617 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9618 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9619 /* Delete from holdings, by decreasing count */
9620 /* and erasing image if necessary */
9621 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9622 if(p < (int) BlackPawn) { /* white drop */
9623 p -= (int)WhitePawn;
9624 p = PieceToNumber((ChessSquare)p);
9625 if(p >= gameInfo.holdingsSize) p = 0;
9626 if(--board[p][BOARD_WIDTH-2] <= 0)
9627 board[p][BOARD_WIDTH-1] = EmptySquare;
9628 if((int)board[p][BOARD_WIDTH-2] < 0)
9629 board[p][BOARD_WIDTH-2] = 0;
9630 } else { /* black drop */
9631 p -= (int)BlackPawn;
9632 p = PieceToNumber((ChessSquare)p);
9633 if(p >= gameInfo.holdingsSize) p = 0;
9634 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9635 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9636 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9637 board[BOARD_HEIGHT-1-p][1] = 0;
9640 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9641 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9642 /* [HGM] holdings: Add to holdings, if holdings exist */
9643 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9644 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9645 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9648 if (p >= (int) BlackPawn) {
9649 p -= (int)BlackPawn;
9650 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9651 /* in Shogi restore piece to its original first */
9652 captured = (ChessSquare) (DEMOTED captured);
9655 p = PieceToNumber((ChessSquare)p);
9656 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9657 board[p][BOARD_WIDTH-2]++;
9658 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9660 p -= (int)WhitePawn;
9661 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9662 captured = (ChessSquare) (DEMOTED captured);
9665 p = PieceToNumber((ChessSquare)p);
9666 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9667 board[BOARD_HEIGHT-1-p][1]++;
9668 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9671 } else if (gameInfo.variant == VariantAtomic) {
9672 if (captured != EmptySquare) {
9674 for (y = toY-1; y <= toY+1; y++) {
9675 for (x = toX-1; x <= toX+1; x++) {
9676 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9677 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9678 board[y][x] = EmptySquare;
9682 board[toY][toX] = EmptySquare;
9685 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9686 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9688 if(promoChar == '+') {
9689 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9690 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9691 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9692 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9693 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9694 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9695 board[toY][toX] = newPiece;
9697 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9698 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9699 // [HGM] superchess: take promotion piece out of holdings
9700 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9701 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9702 if(!--board[k][BOARD_WIDTH-2])
9703 board[k][BOARD_WIDTH-1] = EmptySquare;
9705 if(!--board[BOARD_HEIGHT-1-k][1])
9706 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9712 /* Updates forwardMostMove */
9714 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9716 // forwardMostMove++; // [HGM] bare: moved downstream
9718 (void) CoordsToAlgebraic(boards[forwardMostMove],
9719 PosFlags(forwardMostMove),
9720 fromY, fromX, toY, toX, promoChar,
9721 parseList[forwardMostMove]);
9723 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9724 int timeLeft; static int lastLoadFlag=0; int king, piece;
9725 piece = boards[forwardMostMove][fromY][fromX];
9726 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9727 if(gameInfo.variant == VariantKnightmate)
9728 king += (int) WhiteUnicorn - (int) WhiteKing;
9729 if(forwardMostMove == 0) {
9730 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9731 fprintf(serverMoves, "%s;", UserName());
9732 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9733 fprintf(serverMoves, "%s;", second.tidy);
9734 fprintf(serverMoves, "%s;", first.tidy);
9735 if(gameMode == MachinePlaysWhite)
9736 fprintf(serverMoves, "%s;", UserName());
9737 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9738 fprintf(serverMoves, "%s;", second.tidy);
9739 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9740 lastLoadFlag = loadFlag;
9742 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9743 // print castling suffix
9744 if( toY == fromY && piece == king ) {
9746 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9748 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9751 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9752 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9753 boards[forwardMostMove][toY][toX] == EmptySquare
9754 && fromX != toX && fromY != toY)
9755 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9757 if(promoChar != NULLCHAR) {
9758 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9759 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9760 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9761 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9764 char buf[MOVE_LEN*2], *p; int len;
9765 fprintf(serverMoves, "/%d/%d",
9766 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9767 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9768 else timeLeft = blackTimeRemaining/1000;
9769 fprintf(serverMoves, "/%d", timeLeft);
9770 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9771 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9772 if(p = strchr(buf, '=')) *p = NULLCHAR;
9773 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9774 fprintf(serverMoves, "/%s", buf);
9776 fflush(serverMoves);
9779 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9780 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9783 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9784 if (commentList[forwardMostMove+1] != NULL) {
9785 free(commentList[forwardMostMove+1]);
9786 commentList[forwardMostMove+1] = NULL;
9788 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9789 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9790 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9791 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9792 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9793 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9794 adjustedClock = FALSE;
9795 gameInfo.result = GameUnfinished;
9796 if (gameInfo.resultDetails != NULL) {
9797 free(gameInfo.resultDetails);
9798 gameInfo.resultDetails = NULL;
9800 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9801 moveList[forwardMostMove - 1]);
9802 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9808 if(gameInfo.variant != VariantShogi)
9809 strcat(parseList[forwardMostMove - 1], "+");
9813 strcat(parseList[forwardMostMove - 1], "#");
9819 /* Updates currentMove if not pausing */
9821 ShowMove (int fromX, int fromY, int toX, int toY)
9823 int instant = (gameMode == PlayFromGameFile) ?
9824 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9825 if(appData.noGUI) return;
9826 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9828 if (forwardMostMove == currentMove + 1) {
9829 AnimateMove(boards[forwardMostMove - 1],
9830 fromX, fromY, toX, toY);
9833 currentMove = forwardMostMove;
9836 if (instant) return;
9838 DisplayMove(currentMove - 1);
9839 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9840 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
9841 SetHighlights(fromX, fromY, toX, toY);
9844 DrawPosition(FALSE, boards[currentMove]);
9845 DisplayBothClocks();
9846 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9850 SendEgtPath (ChessProgramState *cps)
9851 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9852 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9854 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9857 char c, *q = name+1, *r, *s;
9859 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9860 while(*p && *p != ',') *q++ = *p++;
9862 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9863 strcmp(name, ",nalimov:") == 0 ) {
9864 // take nalimov path from the menu-changeable option first, if it is defined
9865 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9866 SendToProgram(buf,cps); // send egtbpath command for nalimov
9868 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9869 (s = StrStr(appData.egtFormats, name)) != NULL) {
9870 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9871 s = r = StrStr(s, ":") + 1; // beginning of path info
9872 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9873 c = *r; *r = 0; // temporarily null-terminate path info
9874 *--q = 0; // strip of trailig ':' from name
9875 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9877 SendToProgram(buf,cps); // send egtbpath command for this format
9879 if(*p == ',') p++; // read away comma to position for next format name
9884 NonStandardBoardSize ()
9886 /* [HGM] Awkward testing. Should really be a table */
9887 int overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9888 if( gameInfo.variant == VariantXiangqi )
9889 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9890 if( gameInfo.variant == VariantShogi )
9891 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9892 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9893 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9894 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9895 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9896 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9897 if( gameInfo.variant == VariantCourier )
9898 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9899 if( gameInfo.variant == VariantSuper )
9900 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9901 if( gameInfo.variant == VariantGreat )
9902 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9903 if( gameInfo.variant == VariantSChess )
9904 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9905 if( gameInfo.variant == VariantGrand )
9906 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9911 InitChessProgram (ChessProgramState *cps, int setup)
9912 /* setup needed to setup FRC opening position */
9914 char buf[MSG_SIZ], b[MSG_SIZ];
9915 if (appData.noChessProgram) return;
9916 hintRequested = FALSE;
9917 bookRequested = FALSE;
9919 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9920 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9921 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9922 if(cps->memSize) { /* [HGM] memory */
9923 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9924 SendToProgram(buf, cps);
9926 SendEgtPath(cps); /* [HGM] EGT */
9927 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9928 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9929 SendToProgram(buf, cps);
9932 SendToProgram(cps->initString, cps);
9933 if (gameInfo.variant != VariantNormal &&
9934 gameInfo.variant != VariantLoadable
9935 /* [HGM] also send variant if board size non-standard */
9936 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9938 char *v = VariantName(gameInfo.variant);
9939 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9940 /* [HGM] in protocol 1 we have to assume all variants valid */
9941 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9942 DisplayFatalError(buf, 0, 1);
9946 if(NonStandardBoardSize()) { /* [HGM] make prefix for non-standard board size. */
9947 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9948 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9949 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9950 if(StrStr(cps->variants, b) == NULL) {
9951 // specific sized variant not known, check if general sizing allowed
9952 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9953 if(StrStr(cps->variants, "boardsize") == NULL) {
9954 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9955 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9956 DisplayFatalError(buf, 0, 1);
9959 /* [HGM] here we really should compare with the maximum supported board size */
9962 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9963 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9964 SendToProgram(buf, cps);
9966 currentlyInitializedVariant = gameInfo.variant;
9968 /* [HGM] send opening position in FRC to first engine */
9970 SendToProgram("force\n", cps);
9972 /* engine is now in force mode! Set flag to wake it up after first move. */
9973 setboardSpoiledMachineBlack = 1;
9977 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9978 SendToProgram(buf, cps);
9980 cps->maybeThinking = FALSE;
9981 cps->offeredDraw = 0;
9982 if (!appData.icsActive) {
9983 SendTimeControl(cps, movesPerSession, timeControl,
9984 timeIncrement, appData.searchDepth,
9987 if (appData.showThinking
9988 // [HGM] thinking: four options require thinking output to be sent
9989 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9991 SendToProgram("post\n", cps);
9993 SendToProgram("hard\n", cps);
9994 if (!appData.ponderNextMove) {
9995 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9996 it without being sure what state we are in first. "hard"
9997 is not a toggle, so that one is OK.
9999 SendToProgram("easy\n", cps);
10001 if (cps->usePing) {
10002 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
10003 SendToProgram(buf, cps);
10005 cps->initDone = TRUE;
10006 ClearEngineOutputPane(cps == &second);
10011 ResendOptions (ChessProgramState *cps)
10012 { // send the stored value of the options
10015 Option *opt = cps->option;
10016 for(i=0; i<cps->nrOptions; i++, opt++) {
10017 switch(opt->type) {
10021 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10024 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10027 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10033 SendToProgram(buf, cps);
10038 StartChessProgram (ChessProgramState *cps)
10043 if (appData.noChessProgram) return;
10044 cps->initDone = FALSE;
10046 if (strcmp(cps->host, "localhost") == 0) {
10047 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10048 } else if (*appData.remoteShell == NULLCHAR) {
10049 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10051 if (*appData.remoteUser == NULLCHAR) {
10052 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10055 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10056 cps->host, appData.remoteUser, cps->program);
10058 err = StartChildProcess(buf, "", &cps->pr);
10062 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10063 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10064 if(cps != &first) return;
10065 appData.noChessProgram = TRUE;
10068 // DisplayFatalError(buf, err, 1);
10069 // cps->pr = NoProc;
10070 // cps->isr = NULL;
10074 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10075 if (cps->protocolVersion > 1) {
10076 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10077 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10078 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10079 cps->comboCnt = 0; // and values of combo boxes
10081 SendToProgram(buf, cps);
10082 if(cps->reload) ResendOptions(cps);
10084 SendToProgram("xboard\n", cps);
10089 TwoMachinesEventIfReady P((void))
10091 static int curMess = 0;
10092 if (first.lastPing != first.lastPong) {
10093 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10094 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10097 if (second.lastPing != second.lastPong) {
10098 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10099 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10102 DisplayMessage("", ""); curMess = 0;
10103 TwoMachinesEvent();
10107 MakeName (char *template)
10111 static char buf[MSG_SIZ];
10115 clock = time((time_t *)NULL);
10116 tm = localtime(&clock);
10118 while(*p++ = *template++) if(p[-1] == '%') {
10119 switch(*template++) {
10120 case 0: *p = 0; return buf;
10121 case 'Y': i = tm->tm_year+1900; break;
10122 case 'y': i = tm->tm_year-100; break;
10123 case 'M': i = tm->tm_mon+1; break;
10124 case 'd': i = tm->tm_mday; break;
10125 case 'h': i = tm->tm_hour; break;
10126 case 'm': i = tm->tm_min; break;
10127 case 's': i = tm->tm_sec; break;
10130 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10136 CountPlayers (char *p)
10139 while(p = strchr(p, '\n')) p++, n++; // count participants
10144 WriteTourneyFile (char *results, FILE *f)
10145 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10146 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10147 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10148 // create a file with tournament description
10149 fprintf(f, "-participants {%s}\n", appData.participants);
10150 fprintf(f, "-seedBase %d\n", appData.seedBase);
10151 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10152 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10153 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10154 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10155 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10156 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10157 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10158 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10159 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10160 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10161 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10162 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10163 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10164 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10165 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10166 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10167 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10168 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10169 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10170 fprintf(f, "-smpCores %d\n", appData.smpCores);
10172 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10174 fprintf(f, "-mps %d\n", appData.movesPerSession);
10175 fprintf(f, "-tc %s\n", appData.timeControl);
10176 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10178 fprintf(f, "-results \"%s\"\n", results);
10183 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10186 Substitute (char *participants, int expunge)
10188 int i, changed, changes=0, nPlayers=0;
10189 char *p, *q, *r, buf[MSG_SIZ];
10190 if(participants == NULL) return;
10191 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10192 r = p = participants; q = appData.participants;
10193 while(*p && *p == *q) {
10194 if(*p == '\n') r = p+1, nPlayers++;
10197 if(*p) { // difference
10198 while(*p && *p++ != '\n');
10199 while(*q && *q++ != '\n');
10200 changed = nPlayers;
10201 changes = 1 + (strcmp(p, q) != 0);
10203 if(changes == 1) { // a single engine mnemonic was changed
10204 q = r; while(*q) nPlayers += (*q++ == '\n');
10205 p = buf; while(*r && (*p = *r++) != '\n') p++;
10207 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10208 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10209 if(mnemonic[i]) { // The substitute is valid
10211 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10212 flock(fileno(f), LOCK_EX);
10213 ParseArgsFromFile(f);
10214 fseek(f, 0, SEEK_SET);
10215 FREE(appData.participants); appData.participants = participants;
10216 if(expunge) { // erase results of replaced engine
10217 int len = strlen(appData.results), w, b, dummy;
10218 for(i=0; i<len; i++) {
10219 Pairing(i, nPlayers, &w, &b, &dummy);
10220 if((w == changed || b == changed) && appData.results[i] == '*') {
10221 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10226 for(i=0; i<len; i++) {
10227 Pairing(i, nPlayers, &w, &b, &dummy);
10228 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10231 WriteTourneyFile(appData.results, f);
10232 fclose(f); // release lock
10235 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10237 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10238 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10239 free(participants);
10244 CheckPlayers (char *participants)
10247 char buf[MSG_SIZ], *p;
10248 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10249 while(p = strchr(participants, '\n')) {
10251 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10253 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10255 DisplayError(buf, 0);
10259 participants = p + 1;
10265 CreateTourney (char *name)
10268 if(matchMode && strcmp(name, appData.tourneyFile)) {
10269 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10271 if(name[0] == NULLCHAR) {
10272 if(appData.participants[0])
10273 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10276 f = fopen(name, "r");
10277 if(f) { // file exists
10278 ASSIGN(appData.tourneyFile, name);
10279 ParseArgsFromFile(f); // parse it
10281 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10282 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10283 DisplayError(_("Not enough participants"), 0);
10286 if(CheckPlayers(appData.participants)) return 0;
10287 ASSIGN(appData.tourneyFile, name);
10288 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10289 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10292 appData.noChessProgram = FALSE;
10293 appData.clockMode = TRUE;
10299 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10301 char buf[MSG_SIZ], *p, *q;
10302 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10303 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10304 skip = !all && group[0]; // if group requested, we start in skip mode
10305 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10306 p = names; q = buf; header = 0;
10307 while(*p && *p != '\n') *q++ = *p++;
10309 if(*p == '\n') p++;
10310 if(buf[0] == '#') {
10311 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10312 depth++; // we must be entering a new group
10313 if(all) continue; // suppress printing group headers when complete list requested
10315 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10317 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10318 if(engineList[i]) free(engineList[i]);
10319 engineList[i] = strdup(buf);
10320 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10321 if(engineMnemonic[i]) free(engineMnemonic[i]);
10322 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10324 sscanf(q + 8, "%s", buf + strlen(buf));
10327 engineMnemonic[i] = strdup(buf);
10330 engineList[i] = engineMnemonic[i] = NULL;
10334 // following implemented as macro to avoid type limitations
10335 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10338 SwapEngines (int n)
10339 { // swap settings for first engine and other engine (so far only some selected options)
10344 SWAP(chessProgram, p)
10346 SWAP(hasOwnBookUCI, h)
10347 SWAP(protocolVersion, h)
10349 SWAP(scoreIsAbsolute, h)
10354 SWAP(engOptions, p)
10355 SWAP(engInitString, p)
10356 SWAP(computerString, p)
10358 SWAP(fenOverride, p)
10360 SWAP(accumulateTC, h)
10365 GetEngineLine (char *s, int n)
10369 extern char *icsNames;
10370 if(!s || !*s) return 0;
10371 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10372 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10373 if(!mnemonic[i]) return 0;
10374 if(n == 11) return 1; // just testing if there was a match
10375 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10376 if(n == 1) SwapEngines(n);
10377 ParseArgsFromString(buf);
10378 if(n == 1) SwapEngines(n);
10379 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10380 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10381 ParseArgsFromString(buf);
10387 SetPlayer (int player, char *p)
10388 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10390 char buf[MSG_SIZ], *engineName;
10391 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10392 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10393 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10395 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10396 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10397 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10398 ParseArgsFromString(buf);
10399 } else { // no engine with this nickname is installed!
10400 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10401 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10402 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10404 DisplayError(buf, 0);
10411 char *recentEngines;
10414 RecentEngineEvent (int nr)
10417 // SwapEngines(1); // bump first to second
10418 // ReplaceEngine(&second, 1); // and load it there
10419 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10420 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10421 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10422 ReplaceEngine(&first, 0);
10423 FloatToFront(&appData.recentEngineList, command[n]);
10428 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10429 { // determine players from game number
10430 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10432 if(appData.tourneyType == 0) {
10433 roundsPerCycle = (nPlayers - 1) | 1;
10434 pairingsPerRound = nPlayers / 2;
10435 } else if(appData.tourneyType > 0) {
10436 roundsPerCycle = nPlayers - appData.tourneyType;
10437 pairingsPerRound = appData.tourneyType;
10439 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10440 gamesPerCycle = gamesPerRound * roundsPerCycle;
10441 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10442 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10443 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10444 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10445 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10446 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10448 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10449 if(appData.roundSync) *syncInterval = gamesPerRound;
10451 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10453 if(appData.tourneyType == 0) {
10454 if(curPairing == (nPlayers-1)/2 ) {
10455 *whitePlayer = curRound;
10456 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10458 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10459 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10460 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10461 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10463 } else if(appData.tourneyType > 1) {
10464 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10465 *whitePlayer = curRound + appData.tourneyType;
10466 } else if(appData.tourneyType > 0) {
10467 *whitePlayer = curPairing;
10468 *blackPlayer = curRound + appData.tourneyType;
10471 // take care of white/black alternation per round.
10472 // For cycles and games this is already taken care of by default, derived from matchGame!
10473 return curRound & 1;
10477 NextTourneyGame (int nr, int *swapColors)
10478 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10480 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10482 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10483 tf = fopen(appData.tourneyFile, "r");
10484 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10485 ParseArgsFromFile(tf); fclose(tf);
10486 InitTimeControls(); // TC might be altered from tourney file
10488 nPlayers = CountPlayers(appData.participants); // count participants
10489 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10490 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10493 p = q = appData.results;
10494 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10495 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10496 DisplayMessage(_("Waiting for other game(s)"),"");
10497 waitingForGame = TRUE;
10498 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10501 waitingForGame = FALSE;
10504 if(appData.tourneyType < 0) {
10505 if(nr>=0 && !pairingReceived) {
10507 if(pairing.pr == NoProc) {
10508 if(!appData.pairingEngine[0]) {
10509 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10512 StartChessProgram(&pairing); // starts the pairing engine
10514 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10515 SendToProgram(buf, &pairing);
10516 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10517 SendToProgram(buf, &pairing);
10518 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10520 pairingReceived = 0; // ... so we continue here
10522 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10523 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10524 matchGame = 1; roundNr = nr / syncInterval + 1;
10527 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10529 // redefine engines, engine dir, etc.
10530 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10531 if(first.pr == NoProc) {
10532 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
10533 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10535 if(second.pr == NoProc) {
10537 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
10538 SwapEngines(1); // and make that valid for second engine by swapping
10539 InitEngine(&second, 1);
10541 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10542 UpdateLogos(FALSE); // leave display to ModeHiglight()
10548 { // performs game initialization that does not invoke engines, and then tries to start the game
10549 int res, firstWhite, swapColors = 0;
10550 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10551 if(matchMode && appData.debugMode) { // [HGM] debug split: game is part of a match; we might have to create a debug file just for this game
10553 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10554 if(strcmp(buf, currentDebugFile)) { // name has changed
10555 FILE *f = fopen(buf, "w");
10556 if(f) { // if opening the new file failed, just keep using the old one
10557 ASSIGN(currentDebugFile, buf);
10561 if(appData.serverFileName) {
10562 if(serverFP) fclose(serverFP);
10563 serverFP = fopen(appData.serverFileName, "w");
10564 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10565 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10569 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10570 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10571 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10572 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10573 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10574 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10575 Reset(FALSE, first.pr != NoProc);
10576 res = LoadGameOrPosition(matchGame); // setup game
10577 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10578 if(!res) return; // abort when bad game/pos file
10579 TwoMachinesEvent();
10583 UserAdjudicationEvent (int result)
10585 ChessMove gameResult = GameIsDrawn;
10588 gameResult = WhiteWins;
10590 else if( result < 0 ) {
10591 gameResult = BlackWins;
10594 if( gameMode == TwoMachinesPlay ) {
10595 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10600 // [HGM] save: calculate checksum of game to make games easily identifiable
10602 StringCheckSum (char *s)
10605 if(s==NULL) return 0;
10606 while(*s) i = i*259 + *s++;
10614 for(i=backwardMostMove; i<forwardMostMove; i++) {
10615 sum += pvInfoList[i].depth;
10616 sum += StringCheckSum(parseList[i]);
10617 sum += StringCheckSum(commentList[i]);
10620 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10621 return sum + StringCheckSum(commentList[i]);
10622 } // end of save patch
10625 GameEnds (ChessMove result, char *resultDetails, int whosays)
10627 GameMode nextGameMode;
10629 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10631 if(endingGame) return; /* [HGM] crash: forbid recursion */
10633 if(twoBoards) { // [HGM] dual: switch back to one board
10634 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10635 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10637 if (appData.debugMode) {
10638 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10639 result, resultDetails ? resultDetails : "(null)", whosays);
10642 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10644 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10646 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10647 /* If we are playing on ICS, the server decides when the
10648 game is over, but the engine can offer to draw, claim
10652 if (appData.zippyPlay && first.initDone) {
10653 if (result == GameIsDrawn) {
10654 /* In case draw still needs to be claimed */
10655 SendToICS(ics_prefix);
10656 SendToICS("draw\n");
10657 } else if (StrCaseStr(resultDetails, "resign")) {
10658 SendToICS(ics_prefix);
10659 SendToICS("resign\n");
10663 endingGame = 0; /* [HGM] crash */
10667 /* If we're loading the game from a file, stop */
10668 if (whosays == GE_FILE) {
10669 (void) StopLoadGameTimer();
10673 /* Cancel draw offers */
10674 first.offeredDraw = second.offeredDraw = 0;
10676 /* If this is an ICS game, only ICS can really say it's done;
10677 if not, anyone can. */
10678 isIcsGame = (gameMode == IcsPlayingWhite ||
10679 gameMode == IcsPlayingBlack ||
10680 gameMode == IcsObserving ||
10681 gameMode == IcsExamining);
10683 if (!isIcsGame || whosays == GE_ICS) {
10684 /* OK -- not an ICS game, or ICS said it was done */
10686 if (!isIcsGame && !appData.noChessProgram)
10687 SetUserThinkingEnables();
10689 /* [HGM] if a machine claims the game end we verify this claim */
10690 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10691 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10693 ChessMove trueResult = (ChessMove) -1;
10695 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10696 first.twoMachinesColor[0] :
10697 second.twoMachinesColor[0] ;
10699 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10700 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10701 /* [HGM] verify: engine mate claims accepted if they were flagged */
10702 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10704 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10705 /* [HGM] verify: engine mate claims accepted if they were flagged */
10706 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10708 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10709 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10712 // now verify win claims, but not in drop games, as we don't understand those yet
10713 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10714 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10715 (result == WhiteWins && claimer == 'w' ||
10716 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10717 if (appData.debugMode) {
10718 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10719 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10721 if(result != trueResult) {
10722 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10723 result = claimer == 'w' ? BlackWins : WhiteWins;
10724 resultDetails = buf;
10727 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10728 && (forwardMostMove <= backwardMostMove ||
10729 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10730 (claimer=='b')==(forwardMostMove&1))
10732 /* [HGM] verify: draws that were not flagged are false claims */
10733 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10734 result = claimer == 'w' ? BlackWins : WhiteWins;
10735 resultDetails = buf;
10737 /* (Claiming a loss is accepted no questions asked!) */
10738 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
10739 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
10740 result = GameUnfinished;
10741 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
10743 /* [HGM] bare: don't allow bare King to win */
10744 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10745 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10746 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10747 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10748 && result != GameIsDrawn)
10749 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10750 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10751 int p = (signed char)boards[forwardMostMove][i][j] - color;
10752 if(p >= 0 && p <= (int)WhiteKing) k++;
10754 if (appData.debugMode) {
10755 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10756 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10759 result = GameIsDrawn;
10760 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10761 resultDetails = buf;
10767 if(serverMoves != NULL && !loadFlag) { char c = '=';
10768 if(result==WhiteWins) c = '+';
10769 if(result==BlackWins) c = '-';
10770 if(resultDetails != NULL)
10771 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10773 if (resultDetails != NULL) {
10774 gameInfo.result = result;
10775 gameInfo.resultDetails = StrSave(resultDetails);
10777 /* display last move only if game was not loaded from file */
10778 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10779 DisplayMove(currentMove - 1);
10781 if (forwardMostMove != 0) {
10782 if (gameMode != PlayFromGameFile && gameMode != EditGame
10783 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10785 if (*appData.saveGameFile != NULLCHAR) {
10786 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
10787 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
10789 SaveGameToFile(appData.saveGameFile, TRUE);
10790 } else if (appData.autoSaveGames) {
10791 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
10793 if (*appData.savePositionFile != NULLCHAR) {
10794 SavePositionToFile(appData.savePositionFile);
10796 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
10800 /* Tell program how game ended in case it is learning */
10801 /* [HGM] Moved this to after saving the PGN, just in case */
10802 /* engine died and we got here through time loss. In that */
10803 /* case we will get a fatal error writing the pipe, which */
10804 /* would otherwise lose us the PGN. */
10805 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10806 /* output during GameEnds should never be fatal anymore */
10807 if (gameMode == MachinePlaysWhite ||
10808 gameMode == MachinePlaysBlack ||
10809 gameMode == TwoMachinesPlay ||
10810 gameMode == IcsPlayingWhite ||
10811 gameMode == IcsPlayingBlack ||
10812 gameMode == BeginningOfGame) {
10814 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10816 if (first.pr != NoProc) {
10817 SendToProgram(buf, &first);
10819 if (second.pr != NoProc &&
10820 gameMode == TwoMachinesPlay) {
10821 SendToProgram(buf, &second);
10826 if (appData.icsActive) {
10827 if (appData.quietPlay &&
10828 (gameMode == IcsPlayingWhite ||
10829 gameMode == IcsPlayingBlack)) {
10830 SendToICS(ics_prefix);
10831 SendToICS("set shout 1\n");
10833 nextGameMode = IcsIdle;
10834 ics_user_moved = FALSE;
10835 /* clean up premove. It's ugly when the game has ended and the
10836 * premove highlights are still on the board.
10839 gotPremove = FALSE;
10840 ClearPremoveHighlights();
10841 DrawPosition(FALSE, boards[currentMove]);
10843 if (whosays == GE_ICS) {
10846 if (gameMode == IcsPlayingWhite)
10848 else if(gameMode == IcsPlayingBlack)
10849 PlayIcsLossSound();
10852 if (gameMode == IcsPlayingBlack)
10854 else if(gameMode == IcsPlayingWhite)
10855 PlayIcsLossSound();
10858 PlayIcsDrawSound();
10861 PlayIcsUnfinishedSound();
10864 if(appData.quitNext) { ExitEvent(0); return; }
10865 } else if (gameMode == EditGame ||
10866 gameMode == PlayFromGameFile ||
10867 gameMode == AnalyzeMode ||
10868 gameMode == AnalyzeFile) {
10869 nextGameMode = gameMode;
10871 nextGameMode = EndOfGame;
10876 nextGameMode = gameMode;
10879 if (appData.noChessProgram) {
10880 gameMode = nextGameMode;
10882 endingGame = 0; /* [HGM] crash */
10887 /* Put first chess program into idle state */
10888 if (first.pr != NoProc &&
10889 (gameMode == MachinePlaysWhite ||
10890 gameMode == MachinePlaysBlack ||
10891 gameMode == TwoMachinesPlay ||
10892 gameMode == IcsPlayingWhite ||
10893 gameMode == IcsPlayingBlack ||
10894 gameMode == BeginningOfGame)) {
10895 SendToProgram("force\n", &first);
10896 if (first.usePing) {
10898 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10899 SendToProgram(buf, &first);
10902 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10903 /* Kill off first chess program */
10904 if (first.isr != NULL)
10905 RemoveInputSource(first.isr);
10908 if (first.pr != NoProc) {
10910 DoSleep( appData.delayBeforeQuit );
10911 SendToProgram("quit\n", &first);
10912 DoSleep( appData.delayAfterQuit );
10913 DestroyChildProcess(first.pr, first.useSigterm);
10914 first.reload = TRUE;
10918 if (second.reuse) {
10919 /* Put second chess program into idle state */
10920 if (second.pr != NoProc &&
10921 gameMode == TwoMachinesPlay) {
10922 SendToProgram("force\n", &second);
10923 if (second.usePing) {
10925 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10926 SendToProgram(buf, &second);
10929 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10930 /* Kill off second chess program */
10931 if (second.isr != NULL)
10932 RemoveInputSource(second.isr);
10935 if (second.pr != NoProc) {
10936 DoSleep( appData.delayBeforeQuit );
10937 SendToProgram("quit\n", &second);
10938 DoSleep( appData.delayAfterQuit );
10939 DestroyChildProcess(second.pr, second.useSigterm);
10940 second.reload = TRUE;
10942 second.pr = NoProc;
10945 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
10946 char resChar = '=';
10950 if (first.twoMachinesColor[0] == 'w') {
10953 second.matchWins++;
10958 if (first.twoMachinesColor[0] == 'b') {
10961 second.matchWins++;
10964 case GameUnfinished:
10970 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10971 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10972 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10973 ReserveGame(nextGame, resChar); // sets nextGame
10974 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10975 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10976 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10978 if (nextGame <= appData.matchGames && !abortMatch) {
10979 gameMode = nextGameMode;
10980 matchGame = nextGame; // this will be overruled in tourney mode!
10981 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10982 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10983 endingGame = 0; /* [HGM] crash */
10986 gameMode = nextGameMode;
10987 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10988 first.tidy, second.tidy,
10989 first.matchWins, second.matchWins,
10990 appData.matchGames - (first.matchWins + second.matchWins));
10991 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10992 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10993 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10994 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10995 first.twoMachinesColor = "black\n";
10996 second.twoMachinesColor = "white\n";
10998 first.twoMachinesColor = "white\n";
10999 second.twoMachinesColor = "black\n";
11003 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11004 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11006 gameMode = nextGameMode;
11008 endingGame = 0; /* [HGM] crash */
11009 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11010 if(matchMode == TRUE) { // match through command line: exit with or without popup
11012 ToNrEvent(forwardMostMove);
11013 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11015 } else DisplayFatalError(buf, 0, 0);
11016 } else { // match through menu; just stop, with or without popup
11017 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11020 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11021 } else DisplayNote(buf);
11023 if(ranking) free(ranking);
11027 /* Assumes program was just initialized (initString sent).
11028 Leaves program in force mode. */
11030 FeedMovesToProgram (ChessProgramState *cps, int upto)
11034 if (appData.debugMode)
11035 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11036 startedFromSetupPosition ? "position and " : "",
11037 backwardMostMove, upto, cps->which);
11038 if(currentlyInitializedVariant != gameInfo.variant) {
11040 // [HGM] variantswitch: make engine aware of new variant
11041 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
11042 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11043 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11044 SendToProgram(buf, cps);
11045 currentlyInitializedVariant = gameInfo.variant;
11047 SendToProgram("force\n", cps);
11048 if (startedFromSetupPosition) {
11049 SendBoard(cps, backwardMostMove);
11050 if (appData.debugMode) {
11051 fprintf(debugFP, "feedMoves\n");
11054 for (i = backwardMostMove; i < upto; i++) {
11055 SendMoveToProgram(i, cps);
11061 ResurrectChessProgram ()
11063 /* The chess program may have exited.
11064 If so, restart it and feed it all the moves made so far. */
11065 static int doInit = 0;
11067 if (appData.noChessProgram) return 1;
11069 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11070 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11071 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11072 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11074 if (first.pr != NoProc) return 1;
11075 StartChessProgram(&first);
11077 InitChessProgram(&first, FALSE);
11078 FeedMovesToProgram(&first, currentMove);
11080 if (!first.sendTime) {
11081 /* can't tell gnuchess what its clock should read,
11082 so we bow to its notion. */
11084 timeRemaining[0][currentMove] = whiteTimeRemaining;
11085 timeRemaining[1][currentMove] = blackTimeRemaining;
11088 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11089 appData.icsEngineAnalyze) && first.analysisSupport) {
11090 SendToProgram("analyze\n", &first);
11091 first.analyzing = TRUE;
11097 * Button procedures
11100 Reset (int redraw, int init)
11104 if (appData.debugMode) {
11105 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11106 redraw, init, gameMode);
11108 CleanupTail(); // [HGM] vari: delete any stored variations
11109 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11110 pausing = pauseExamInvalid = FALSE;
11111 startedFromSetupPosition = blackPlaysFirst = FALSE;
11113 whiteFlag = blackFlag = FALSE;
11114 userOfferedDraw = FALSE;
11115 hintRequested = bookRequested = FALSE;
11116 first.maybeThinking = FALSE;
11117 second.maybeThinking = FALSE;
11118 first.bookSuspend = FALSE; // [HGM] book
11119 second.bookSuspend = FALSE;
11120 thinkOutput[0] = NULLCHAR;
11121 lastHint[0] = NULLCHAR;
11122 ClearGameInfo(&gameInfo);
11123 gameInfo.variant = StringToVariant(appData.variant);
11124 ics_user_moved = ics_clock_paused = FALSE;
11125 ics_getting_history = H_FALSE;
11127 white_holding[0] = black_holding[0] = NULLCHAR;
11128 ClearProgramStats();
11129 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11133 flipView = appData.flipView;
11134 ClearPremoveHighlights();
11135 gotPremove = FALSE;
11136 alarmSounded = FALSE;
11138 GameEnds(EndOfFile, NULL, GE_PLAYER);
11139 if(appData.serverMovesName != NULL) {
11140 /* [HGM] prepare to make moves file for broadcasting */
11141 clock_t t = clock();
11142 if(serverMoves != NULL) fclose(serverMoves);
11143 serverMoves = fopen(appData.serverMovesName, "r");
11144 if(serverMoves != NULL) {
11145 fclose(serverMoves);
11146 /* delay 15 sec before overwriting, so all clients can see end */
11147 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11149 serverMoves = fopen(appData.serverMovesName, "w");
11153 gameMode = BeginningOfGame;
11155 if(appData.icsActive) gameInfo.variant = VariantNormal;
11156 currentMove = forwardMostMove = backwardMostMove = 0;
11157 MarkTargetSquares(1);
11158 InitPosition(redraw);
11159 for (i = 0; i < MAX_MOVES; i++) {
11160 if (commentList[i] != NULL) {
11161 free(commentList[i]);
11162 commentList[i] = NULL;
11166 timeRemaining[0][0] = whiteTimeRemaining;
11167 timeRemaining[1][0] = blackTimeRemaining;
11169 if (first.pr == NoProc) {
11170 StartChessProgram(&first);
11173 InitChessProgram(&first, startedFromSetupPosition);
11176 DisplayMessage("", "");
11177 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11178 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11179 ClearMap(); // [HGM] exclude: invalidate map
11183 AutoPlayGameLoop ()
11186 if (!AutoPlayOneMove())
11188 if (matchMode || appData.timeDelay == 0)
11190 if (appData.timeDelay < 0)
11192 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11200 ReloadGame(1); // next game
11206 int fromX, fromY, toX, toY;
11208 if (appData.debugMode) {
11209 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11212 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11215 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11216 pvInfoList[currentMove].depth = programStats.depth;
11217 pvInfoList[currentMove].score = programStats.score;
11218 pvInfoList[currentMove].time = 0;
11219 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11220 else { // append analysis of final position as comment
11222 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11223 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11225 programStats.depth = 0;
11228 if (currentMove >= forwardMostMove) {
11229 if(gameMode == AnalyzeFile) {
11230 if(appData.loadGameIndex == -1) {
11231 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11232 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11234 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11237 // gameMode = EndOfGame;
11238 // ModeHighlight();
11240 /* [AS] Clear current move marker at the end of a game */
11241 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11246 toX = moveList[currentMove][2] - AAA;
11247 toY = moveList[currentMove][3] - ONE;
11249 if (moveList[currentMove][1] == '@') {
11250 if (appData.highlightLastMove) {
11251 SetHighlights(-1, -1, toX, toY);
11254 fromX = moveList[currentMove][0] - AAA;
11255 fromY = moveList[currentMove][1] - ONE;
11257 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11259 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11261 if (appData.highlightLastMove) {
11262 SetHighlights(fromX, fromY, toX, toY);
11265 DisplayMove(currentMove);
11266 SendMoveToProgram(currentMove++, &first);
11267 DisplayBothClocks();
11268 DrawPosition(FALSE, boards[currentMove]);
11269 // [HGM] PV info: always display, routine tests if empty
11270 DisplayComment(currentMove - 1, commentList[currentMove]);
11276 LoadGameOneMove (ChessMove readAhead)
11278 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11279 char promoChar = NULLCHAR;
11280 ChessMove moveType;
11281 char move[MSG_SIZ];
11284 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11285 gameMode != AnalyzeMode && gameMode != Training) {
11290 yyboardindex = forwardMostMove;
11291 if (readAhead != EndOfFile) {
11292 moveType = readAhead;
11294 if (gameFileFP == NULL)
11296 moveType = (ChessMove) Myylex();
11300 switch (moveType) {
11302 if (appData.debugMode)
11303 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11306 /* append the comment but don't display it */
11307 AppendComment(currentMove, p, FALSE);
11310 case WhiteCapturesEnPassant:
11311 case BlackCapturesEnPassant:
11312 case WhitePromotion:
11313 case BlackPromotion:
11314 case WhiteNonPromotion:
11315 case BlackNonPromotion:
11317 case WhiteKingSideCastle:
11318 case WhiteQueenSideCastle:
11319 case BlackKingSideCastle:
11320 case BlackQueenSideCastle:
11321 case WhiteKingSideCastleWild:
11322 case WhiteQueenSideCastleWild:
11323 case BlackKingSideCastleWild:
11324 case BlackQueenSideCastleWild:
11326 case WhiteHSideCastleFR:
11327 case WhiteASideCastleFR:
11328 case BlackHSideCastleFR:
11329 case BlackASideCastleFR:
11331 if (appData.debugMode)
11332 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11333 fromX = currentMoveString[0] - AAA;
11334 fromY = currentMoveString[1] - ONE;
11335 toX = currentMoveString[2] - AAA;
11336 toY = currentMoveString[3] - ONE;
11337 promoChar = currentMoveString[4];
11342 if (appData.debugMode)
11343 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11344 fromX = moveType == WhiteDrop ?
11345 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11346 (int) CharToPiece(ToLower(currentMoveString[0]));
11348 toX = currentMoveString[2] - AAA;
11349 toY = currentMoveString[3] - ONE;
11355 case GameUnfinished:
11356 if (appData.debugMode)
11357 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11358 p = strchr(yy_text, '{');
11359 if (p == NULL) p = strchr(yy_text, '(');
11362 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11364 q = strchr(p, *p == '{' ? '}' : ')');
11365 if (q != NULL) *q = NULLCHAR;
11368 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11369 GameEnds(moveType, p, GE_FILE);
11371 if (cmailMsgLoaded) {
11373 flipView = WhiteOnMove(currentMove);
11374 if (moveType == GameUnfinished) flipView = !flipView;
11375 if (appData.debugMode)
11376 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11381 if (appData.debugMode)
11382 fprintf(debugFP, "Parser hit end of file\n");
11383 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11389 if (WhiteOnMove(currentMove)) {
11390 GameEnds(BlackWins, "Black mates", GE_FILE);
11392 GameEnds(WhiteWins, "White mates", GE_FILE);
11396 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11402 case MoveNumberOne:
11403 if (lastLoadGameStart == GNUChessGame) {
11404 /* GNUChessGames have numbers, but they aren't move numbers */
11405 if (appData.debugMode)
11406 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11407 yy_text, (int) moveType);
11408 return LoadGameOneMove(EndOfFile); /* tail recursion */
11410 /* else fall thru */
11415 /* Reached start of next game in file */
11416 if (appData.debugMode)
11417 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11418 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11424 if (WhiteOnMove(currentMove)) {
11425 GameEnds(BlackWins, "Black mates", GE_FILE);
11427 GameEnds(WhiteWins, "White mates", GE_FILE);
11431 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11437 case PositionDiagram: /* should not happen; ignore */
11438 case ElapsedTime: /* ignore */
11439 case NAG: /* ignore */
11440 if (appData.debugMode)
11441 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11442 yy_text, (int) moveType);
11443 return LoadGameOneMove(EndOfFile); /* tail recursion */
11446 if (appData.testLegality) {
11447 if (appData.debugMode)
11448 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11449 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11450 (forwardMostMove / 2) + 1,
11451 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11452 DisplayError(move, 0);
11455 if (appData.debugMode)
11456 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11457 yy_text, currentMoveString);
11458 fromX = currentMoveString[0] - AAA;
11459 fromY = currentMoveString[1] - ONE;
11460 toX = currentMoveString[2] - AAA;
11461 toY = currentMoveString[3] - ONE;
11462 promoChar = currentMoveString[4];
11466 case AmbiguousMove:
11467 if (appData.debugMode)
11468 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11469 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11470 (forwardMostMove / 2) + 1,
11471 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11472 DisplayError(move, 0);
11477 case ImpossibleMove:
11478 if (appData.debugMode)
11479 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11480 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11481 (forwardMostMove / 2) + 1,
11482 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11483 DisplayError(move, 0);
11489 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11490 DrawPosition(FALSE, boards[currentMove]);
11491 DisplayBothClocks();
11492 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11493 DisplayComment(currentMove - 1, commentList[currentMove]);
11495 (void) StopLoadGameTimer();
11497 cmailOldMove = forwardMostMove;
11500 /* currentMoveString is set as a side-effect of yylex */
11502 thinkOutput[0] = NULLCHAR;
11503 MakeMove(fromX, fromY, toX, toY, promoChar);
11504 currentMove = forwardMostMove;
11509 /* Load the nth game from the given file */
11511 LoadGameFromFile (char *filename, int n, char *title, int useList)
11516 if (strcmp(filename, "-") == 0) {
11520 f = fopen(filename, "rb");
11522 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11523 DisplayError(buf, errno);
11527 if (fseek(f, 0, 0) == -1) {
11528 /* f is not seekable; probably a pipe */
11531 if (useList && n == 0) {
11532 int error = GameListBuild(f);
11534 DisplayError(_("Cannot build game list"), error);
11535 } else if (!ListEmpty(&gameList) &&
11536 ((ListGame *) gameList.tailPred)->number > 1) {
11537 GameListPopUp(f, title);
11544 return LoadGame(f, n, title, FALSE);
11549 MakeRegisteredMove ()
11551 int fromX, fromY, toX, toY;
11553 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11554 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11557 if (appData.debugMode)
11558 fprintf(debugFP, "Restoring %s for game %d\n",
11559 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11561 thinkOutput[0] = NULLCHAR;
11562 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11563 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11564 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11565 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11566 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11567 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11568 MakeMove(fromX, fromY, toX, toY, promoChar);
11569 ShowMove(fromX, fromY, toX, toY);
11571 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11578 if (WhiteOnMove(currentMove)) {
11579 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11581 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11586 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11593 if (WhiteOnMove(currentMove)) {
11594 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11596 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11601 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11612 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11614 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11618 if (gameNumber > nCmailGames) {
11619 DisplayError(_("No more games in this message"), 0);
11622 if (f == lastLoadGameFP) {
11623 int offset = gameNumber - lastLoadGameNumber;
11625 cmailMsg[0] = NULLCHAR;
11626 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11627 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11628 nCmailMovesRegistered--;
11630 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11631 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11632 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11635 if (! RegisterMove()) return FALSE;
11639 retVal = LoadGame(f, gameNumber, title, useList);
11641 /* Make move registered during previous look at this game, if any */
11642 MakeRegisteredMove();
11644 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11645 commentList[currentMove]
11646 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11647 DisplayComment(currentMove - 1, commentList[currentMove]);
11653 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11655 ReloadGame (int offset)
11657 int gameNumber = lastLoadGameNumber + offset;
11658 if (lastLoadGameFP == NULL) {
11659 DisplayError(_("No game has been loaded yet"), 0);
11662 if (gameNumber <= 0) {
11663 DisplayError(_("Can't back up any further"), 0);
11666 if (cmailMsgLoaded) {
11667 return CmailLoadGame(lastLoadGameFP, gameNumber,
11668 lastLoadGameTitle, lastLoadGameUseList);
11670 return LoadGame(lastLoadGameFP, gameNumber,
11671 lastLoadGameTitle, lastLoadGameUseList);
11675 int keys[EmptySquare+1];
11678 PositionMatches (Board b1, Board b2)
11681 switch(appData.searchMode) {
11682 case 1: return CompareWithRights(b1, b2);
11684 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11685 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11689 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11690 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11691 sum += keys[b1[r][f]] - keys[b2[r][f]];
11695 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11696 sum += keys[b1[r][f]] - keys[b2[r][f]];
11708 int pieceList[256], quickBoard[256];
11709 ChessSquare pieceType[256] = { EmptySquare };
11710 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11711 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11712 int soughtTotal, turn;
11713 Boolean epOK, flipSearch;
11716 unsigned char piece, to;
11719 #define DSIZE (250000)
11721 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11722 Move *moveDatabase = initialSpace;
11723 unsigned int movePtr, dataSize = DSIZE;
11726 MakePieceList (Board board, int *counts)
11728 int r, f, n=Q_PROMO, total=0;
11729 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11730 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11731 int sq = f + (r<<4);
11732 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11733 quickBoard[sq] = ++n;
11735 pieceType[n] = board[r][f];
11736 counts[board[r][f]]++;
11737 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11738 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11742 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11747 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11749 int sq = fromX + (fromY<<4);
11750 int piece = quickBoard[sq];
11751 quickBoard[sq] = 0;
11752 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11753 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11754 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11755 moveDatabase[movePtr++].piece = Q_WCASTL;
11756 quickBoard[sq] = piece;
11757 piece = quickBoard[from]; quickBoard[from] = 0;
11758 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11760 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11761 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11762 moveDatabase[movePtr++].piece = Q_BCASTL;
11763 quickBoard[sq] = piece;
11764 piece = quickBoard[from]; quickBoard[from] = 0;
11765 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11767 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11768 quickBoard[(fromY<<4)+toX] = 0;
11769 moveDatabase[movePtr].piece = Q_EP;
11770 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11771 moveDatabase[movePtr].to = sq;
11773 if(promoPiece != pieceType[piece]) {
11774 moveDatabase[movePtr++].piece = Q_PROMO;
11775 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11777 moveDatabase[movePtr].piece = piece;
11778 quickBoard[sq] = piece;
11783 PackGame (Board board)
11785 Move *newSpace = NULL;
11786 moveDatabase[movePtr].piece = 0; // terminate previous game
11787 if(movePtr > dataSize) {
11788 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11789 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11790 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11793 Move *p = moveDatabase, *q = newSpace;
11794 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11795 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11796 moveDatabase = newSpace;
11797 } else { // calloc failed, we must be out of memory. Too bad...
11798 dataSize = 0; // prevent calloc events for all subsequent games
11799 return 0; // and signal this one isn't cached
11803 MakePieceList(board, counts);
11808 QuickCompare (Board board, int *minCounts, int *maxCounts)
11809 { // compare according to search mode
11811 switch(appData.searchMode)
11813 case 1: // exact position match
11814 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11815 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11816 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11819 case 2: // can have extra material on empty squares
11820 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11821 if(board[r][f] == EmptySquare) continue;
11822 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11825 case 3: // material with exact Pawn structure
11826 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11827 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11828 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11829 } // fall through to material comparison
11830 case 4: // exact material
11831 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11833 case 6: // material range with given imbalance
11834 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11835 // fall through to range comparison
11836 case 5: // material range
11837 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11843 QuickScan (Board board, Move *move)
11844 { // reconstruct game,and compare all positions in it
11845 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11847 int piece = move->piece;
11848 int to = move->to, from = pieceList[piece];
11849 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11850 if(!piece) return -1;
11851 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11852 piece = (++move)->piece;
11853 from = pieceList[piece];
11854 counts[pieceType[piece]]--;
11855 pieceType[piece] = (ChessSquare) move->to;
11856 counts[move->to]++;
11857 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11858 counts[pieceType[quickBoard[to]]]--;
11859 quickBoard[to] = 0; total--;
11862 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11863 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11864 from = pieceList[piece]; // so this must be King
11865 quickBoard[from] = 0;
11866 pieceList[piece] = to;
11867 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11868 quickBoard[from] = 0; // rook
11869 quickBoard[to] = piece;
11870 to = move->to; piece = move->piece;
11874 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11875 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11876 quickBoard[from] = 0;
11878 quickBoard[to] = piece;
11879 pieceList[piece] = to;
11881 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11882 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11883 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11884 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11886 static int lastCounts[EmptySquare+1];
11888 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11889 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11890 } else stretch = 0;
11891 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11900 flipSearch = FALSE;
11901 CopyBoard(soughtBoard, boards[currentMove]);
11902 soughtTotal = MakePieceList(soughtBoard, maxSought);
11903 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11904 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11905 CopyBoard(reverseBoard, boards[currentMove]);
11906 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11907 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11908 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11909 reverseBoard[r][f] = piece;
11911 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11912 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11913 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11914 || (boards[currentMove][CASTLING][2] == NoRights ||
11915 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11916 && (boards[currentMove][CASTLING][5] == NoRights ||
11917 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11920 CopyBoard(flipBoard, soughtBoard);
11921 CopyBoard(rotateBoard, reverseBoard);
11922 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11923 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11924 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11927 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11928 if(appData.searchMode >= 5) {
11929 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11930 MakePieceList(soughtBoard, minSought);
11931 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11933 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11934 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11937 GameInfo dummyInfo;
11938 static int creatingBook;
11941 GameContainsPosition (FILE *f, ListGame *lg)
11943 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11944 int fromX, fromY, toX, toY;
11946 static int initDone=FALSE;
11948 // weed out games based on numerical tag comparison
11949 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11950 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11951 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11952 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11954 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11957 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11958 else CopyBoard(boards[scratch], initialPosition); // default start position
11961 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11962 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11965 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11966 fseek(f, lg->offset, 0);
11969 yyboardindex = scratch;
11970 quickFlag = plyNr+1;
11975 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11981 if(plyNr) return -1; // after we have seen moves, this is for new game
11984 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11985 case ImpossibleMove:
11986 case WhiteWins: // game ends here with these four
11989 case GameUnfinished:
11993 if(appData.testLegality) return -1;
11994 case WhiteCapturesEnPassant:
11995 case BlackCapturesEnPassant:
11996 case WhitePromotion:
11997 case BlackPromotion:
11998 case WhiteNonPromotion:
11999 case BlackNonPromotion:
12001 case WhiteKingSideCastle:
12002 case WhiteQueenSideCastle:
12003 case BlackKingSideCastle:
12004 case BlackQueenSideCastle:
12005 case WhiteKingSideCastleWild:
12006 case WhiteQueenSideCastleWild:
12007 case BlackKingSideCastleWild:
12008 case BlackQueenSideCastleWild:
12009 case WhiteHSideCastleFR:
12010 case WhiteASideCastleFR:
12011 case BlackHSideCastleFR:
12012 case BlackASideCastleFR:
12013 fromX = currentMoveString[0] - AAA;
12014 fromY = currentMoveString[1] - ONE;
12015 toX = currentMoveString[2] - AAA;
12016 toY = currentMoveString[3] - ONE;
12017 promoChar = currentMoveString[4];
12021 fromX = next == WhiteDrop ?
12022 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12023 (int) CharToPiece(ToLower(currentMoveString[0]));
12025 toX = currentMoveString[2] - AAA;
12026 toY = currentMoveString[3] - ONE;
12030 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12032 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12033 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12034 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12035 if(appData.findMirror) {
12036 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12037 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12042 /* Load the nth game from open file f */
12044 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12048 int gn = gameNumber;
12049 ListGame *lg = NULL;
12050 int numPGNTags = 0;
12052 GameMode oldGameMode;
12053 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12055 if (appData.debugMode)
12056 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12058 if (gameMode == Training )
12059 SetTrainingModeOff();
12061 oldGameMode = gameMode;
12062 if (gameMode != BeginningOfGame) {
12063 Reset(FALSE, TRUE);
12067 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12068 fclose(lastLoadGameFP);
12072 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12075 fseek(f, lg->offset, 0);
12076 GameListHighlight(gameNumber);
12077 pos = lg->position;
12081 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12082 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12084 DisplayError(_("Game number out of range"), 0);
12089 if (fseek(f, 0, 0) == -1) {
12090 if (f == lastLoadGameFP ?
12091 gameNumber == lastLoadGameNumber + 1 :
12095 DisplayError(_("Can't seek on game file"), 0);
12100 lastLoadGameFP = f;
12101 lastLoadGameNumber = gameNumber;
12102 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12103 lastLoadGameUseList = useList;
12107 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12108 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12109 lg->gameInfo.black);
12111 } else if (*title != NULLCHAR) {
12112 if (gameNumber > 1) {
12113 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12116 DisplayTitle(title);
12120 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12121 gameMode = PlayFromGameFile;
12125 currentMove = forwardMostMove = backwardMostMove = 0;
12126 CopyBoard(boards[0], initialPosition);
12130 * Skip the first gn-1 games in the file.
12131 * Also skip over anything that precedes an identifiable
12132 * start of game marker, to avoid being confused by
12133 * garbage at the start of the file. Currently
12134 * recognized start of game markers are the move number "1",
12135 * the pattern "gnuchess .* game", the pattern
12136 * "^[#;%] [^ ]* game file", and a PGN tag block.
12137 * A game that starts with one of the latter two patterns
12138 * will also have a move number 1, possibly
12139 * following a position diagram.
12140 * 5-4-02: Let's try being more lenient and allowing a game to
12141 * start with an unnumbered move. Does that break anything?
12143 cm = lastLoadGameStart = EndOfFile;
12145 yyboardindex = forwardMostMove;
12146 cm = (ChessMove) Myylex();
12149 if (cmailMsgLoaded) {
12150 nCmailGames = CMAIL_MAX_GAMES - gn;
12153 DisplayError(_("Game not found in file"), 0);
12160 lastLoadGameStart = cm;
12163 case MoveNumberOne:
12164 switch (lastLoadGameStart) {
12169 case MoveNumberOne:
12171 gn--; /* count this game */
12172 lastLoadGameStart = cm;
12181 switch (lastLoadGameStart) {
12184 case MoveNumberOne:
12186 gn--; /* count this game */
12187 lastLoadGameStart = cm;
12190 lastLoadGameStart = cm; /* game counted already */
12198 yyboardindex = forwardMostMove;
12199 cm = (ChessMove) Myylex();
12200 } while (cm == PGNTag || cm == Comment);
12207 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12208 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12209 != CMAIL_OLD_RESULT) {
12211 cmailResult[ CMAIL_MAX_GAMES
12212 - gn - 1] = CMAIL_OLD_RESULT;
12218 /* Only a NormalMove can be at the start of a game
12219 * without a position diagram. */
12220 if (lastLoadGameStart == EndOfFile ) {
12222 lastLoadGameStart = MoveNumberOne;
12231 if (appData.debugMode)
12232 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12234 if (cm == XBoardGame) {
12235 /* Skip any header junk before position diagram and/or move 1 */
12237 yyboardindex = forwardMostMove;
12238 cm = (ChessMove) Myylex();
12240 if (cm == EndOfFile ||
12241 cm == GNUChessGame || cm == XBoardGame) {
12242 /* Empty game; pretend end-of-file and handle later */
12247 if (cm == MoveNumberOne || cm == PositionDiagram ||
12248 cm == PGNTag || cm == Comment)
12251 } else if (cm == GNUChessGame) {
12252 if (gameInfo.event != NULL) {
12253 free(gameInfo.event);
12255 gameInfo.event = StrSave(yy_text);
12258 startedFromSetupPosition = FALSE;
12259 while (cm == PGNTag) {
12260 if (appData.debugMode)
12261 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12262 err = ParsePGNTag(yy_text, &gameInfo);
12263 if (!err) numPGNTags++;
12265 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12266 if(gameInfo.variant != oldVariant) {
12267 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12268 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12269 InitPosition(TRUE);
12270 oldVariant = gameInfo.variant;
12271 if (appData.debugMode)
12272 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12276 if (gameInfo.fen != NULL) {
12277 Board initial_position;
12278 startedFromSetupPosition = TRUE;
12279 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12281 DisplayError(_("Bad FEN position in file"), 0);
12284 CopyBoard(boards[0], initial_position);
12285 if (blackPlaysFirst) {
12286 currentMove = forwardMostMove = backwardMostMove = 1;
12287 CopyBoard(boards[1], initial_position);
12288 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12289 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12290 timeRemaining[0][1] = whiteTimeRemaining;
12291 timeRemaining[1][1] = blackTimeRemaining;
12292 if (commentList[0] != NULL) {
12293 commentList[1] = commentList[0];
12294 commentList[0] = NULL;
12297 currentMove = forwardMostMove = backwardMostMove = 0;
12299 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12301 initialRulePlies = FENrulePlies;
12302 for( i=0; i< nrCastlingRights; i++ )
12303 initialRights[i] = initial_position[CASTLING][i];
12305 yyboardindex = forwardMostMove;
12306 free(gameInfo.fen);
12307 gameInfo.fen = NULL;
12310 yyboardindex = forwardMostMove;
12311 cm = (ChessMove) Myylex();
12313 /* Handle comments interspersed among the tags */
12314 while (cm == Comment) {
12316 if (appData.debugMode)
12317 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12319 AppendComment(currentMove, p, FALSE);
12320 yyboardindex = forwardMostMove;
12321 cm = (ChessMove) Myylex();
12325 /* don't rely on existence of Event tag since if game was
12326 * pasted from clipboard the Event tag may not exist
12328 if (numPGNTags > 0){
12330 if (gameInfo.variant == VariantNormal) {
12331 VariantClass v = StringToVariant(gameInfo.event);
12332 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12333 if(v < VariantShogi) gameInfo.variant = v;
12336 if( appData.autoDisplayTags ) {
12337 tags = PGNTags(&gameInfo);
12338 TagsPopUp(tags, CmailMsg());
12343 /* Make something up, but don't display it now */
12348 if (cm == PositionDiagram) {
12351 Board initial_position;
12353 if (appData.debugMode)
12354 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12356 if (!startedFromSetupPosition) {
12358 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12359 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12370 initial_position[i][j++] = CharToPiece(*p);
12373 while (*p == ' ' || *p == '\t' ||
12374 *p == '\n' || *p == '\r') p++;
12376 if (strncmp(p, "black", strlen("black"))==0)
12377 blackPlaysFirst = TRUE;
12379 blackPlaysFirst = FALSE;
12380 startedFromSetupPosition = TRUE;
12382 CopyBoard(boards[0], initial_position);
12383 if (blackPlaysFirst) {
12384 currentMove = forwardMostMove = backwardMostMove = 1;
12385 CopyBoard(boards[1], initial_position);
12386 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12387 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12388 timeRemaining[0][1] = whiteTimeRemaining;
12389 timeRemaining[1][1] = blackTimeRemaining;
12390 if (commentList[0] != NULL) {
12391 commentList[1] = commentList[0];
12392 commentList[0] = NULL;
12395 currentMove = forwardMostMove = backwardMostMove = 0;
12398 yyboardindex = forwardMostMove;
12399 cm = (ChessMove) Myylex();
12402 if(!creatingBook) {
12403 if (first.pr == NoProc) {
12404 StartChessProgram(&first);
12406 InitChessProgram(&first, FALSE);
12407 SendToProgram("force\n", &first);
12408 if (startedFromSetupPosition) {
12409 SendBoard(&first, forwardMostMove);
12410 if (appData.debugMode) {
12411 fprintf(debugFP, "Load Game\n");
12413 DisplayBothClocks();
12417 /* [HGM] server: flag to write setup moves in broadcast file as one */
12418 loadFlag = appData.suppressLoadMoves;
12420 while (cm == Comment) {
12422 if (appData.debugMode)
12423 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12425 AppendComment(currentMove, p, FALSE);
12426 yyboardindex = forwardMostMove;
12427 cm = (ChessMove) Myylex();
12430 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12431 cm == WhiteWins || cm == BlackWins ||
12432 cm == GameIsDrawn || cm == GameUnfinished) {
12433 DisplayMessage("", _("No moves in game"));
12434 if (cmailMsgLoaded) {
12435 if (appData.debugMode)
12436 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12440 DrawPosition(FALSE, boards[currentMove]);
12441 DisplayBothClocks();
12442 gameMode = EditGame;
12449 // [HGM] PV info: routine tests if comment empty
12450 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12451 DisplayComment(currentMove - 1, commentList[currentMove]);
12453 if (!matchMode && appData.timeDelay != 0)
12454 DrawPosition(FALSE, boards[currentMove]);
12456 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12457 programStats.ok_to_send = 1;
12460 /* if the first token after the PGN tags is a move
12461 * and not move number 1, retrieve it from the parser
12463 if (cm != MoveNumberOne)
12464 LoadGameOneMove(cm);
12466 /* load the remaining moves from the file */
12467 while (LoadGameOneMove(EndOfFile)) {
12468 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12469 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12472 /* rewind to the start of the game */
12473 currentMove = backwardMostMove;
12475 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12477 if (oldGameMode == AnalyzeFile) {
12478 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12479 AnalyzeFileEvent();
12481 if (oldGameMode == AnalyzeMode) {
12482 AnalyzeFileEvent();
12485 if(creatingBook) return TRUE;
12486 if (!matchMode && pos > 0) {
12487 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12489 if (matchMode || appData.timeDelay == 0) {
12491 } else if (appData.timeDelay > 0) {
12492 AutoPlayGameLoop();
12495 if (appData.debugMode)
12496 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12498 loadFlag = 0; /* [HGM] true game starts */
12502 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12504 ReloadPosition (int offset)
12506 int positionNumber = lastLoadPositionNumber + offset;
12507 if (lastLoadPositionFP == NULL) {
12508 DisplayError(_("No position has been loaded yet"), 0);
12511 if (positionNumber <= 0) {
12512 DisplayError(_("Can't back up any further"), 0);
12515 return LoadPosition(lastLoadPositionFP, positionNumber,
12516 lastLoadPositionTitle);
12519 /* Load the nth position from the given file */
12521 LoadPositionFromFile (char *filename, int n, char *title)
12526 if (strcmp(filename, "-") == 0) {
12527 return LoadPosition(stdin, n, "stdin");
12529 f = fopen(filename, "rb");
12531 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12532 DisplayError(buf, errno);
12535 return LoadPosition(f, n, title);
12540 /* Load the nth position from the given open file, and close it */
12542 LoadPosition (FILE *f, int positionNumber, char *title)
12544 char *p, line[MSG_SIZ];
12545 Board initial_position;
12546 int i, j, fenMode, pn;
12548 if (gameMode == Training )
12549 SetTrainingModeOff();
12551 if (gameMode != BeginningOfGame) {
12552 Reset(FALSE, TRUE);
12554 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12555 fclose(lastLoadPositionFP);
12557 if (positionNumber == 0) positionNumber = 1;
12558 lastLoadPositionFP = f;
12559 lastLoadPositionNumber = positionNumber;
12560 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12561 if (first.pr == NoProc && !appData.noChessProgram) {
12562 StartChessProgram(&first);
12563 InitChessProgram(&first, FALSE);
12565 pn = positionNumber;
12566 if (positionNumber < 0) {
12567 /* Negative position number means to seek to that byte offset */
12568 if (fseek(f, -positionNumber, 0) == -1) {
12569 DisplayError(_("Can't seek on position file"), 0);
12574 if (fseek(f, 0, 0) == -1) {
12575 if (f == lastLoadPositionFP ?
12576 positionNumber == lastLoadPositionNumber + 1 :
12577 positionNumber == 1) {
12580 DisplayError(_("Can't seek on position file"), 0);
12585 /* See if this file is FEN or old-style xboard */
12586 if (fgets(line, MSG_SIZ, f) == NULL) {
12587 DisplayError(_("Position not found in file"), 0);
12590 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12591 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12594 if (fenMode || line[0] == '#') pn--;
12596 /* skip positions before number pn */
12597 if (fgets(line, MSG_SIZ, f) == NULL) {
12599 DisplayError(_("Position not found in file"), 0);
12602 if (fenMode || line[0] == '#') pn--;
12607 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12608 DisplayError(_("Bad FEN position in file"), 0);
12612 (void) fgets(line, MSG_SIZ, f);
12613 (void) fgets(line, MSG_SIZ, f);
12615 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12616 (void) fgets(line, MSG_SIZ, f);
12617 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12620 initial_position[i][j++] = CharToPiece(*p);
12624 blackPlaysFirst = FALSE;
12626 (void) fgets(line, MSG_SIZ, f);
12627 if (strncmp(line, "black", strlen("black"))==0)
12628 blackPlaysFirst = TRUE;
12631 startedFromSetupPosition = TRUE;
12633 CopyBoard(boards[0], initial_position);
12634 if (blackPlaysFirst) {
12635 currentMove = forwardMostMove = backwardMostMove = 1;
12636 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12637 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12638 CopyBoard(boards[1], initial_position);
12639 DisplayMessage("", _("Black to play"));
12641 currentMove = forwardMostMove = backwardMostMove = 0;
12642 DisplayMessage("", _("White to play"));
12644 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12645 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12646 SendToProgram("force\n", &first);
12647 SendBoard(&first, forwardMostMove);
12649 if (appData.debugMode) {
12651 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12652 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12653 fprintf(debugFP, "Load Position\n");
12656 if (positionNumber > 1) {
12657 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12658 DisplayTitle(line);
12660 DisplayTitle(title);
12662 gameMode = EditGame;
12665 timeRemaining[0][1] = whiteTimeRemaining;
12666 timeRemaining[1][1] = blackTimeRemaining;
12667 DrawPosition(FALSE, boards[currentMove]);
12674 CopyPlayerNameIntoFileName (char **dest, char *src)
12676 while (*src != NULLCHAR && *src != ',') {
12681 *(*dest)++ = *src++;
12687 DefaultFileName (char *ext)
12689 static char def[MSG_SIZ];
12692 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12694 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12696 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12698 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12705 /* Save the current game to the given file */
12707 SaveGameToFile (char *filename, int append)
12711 int result, i, t,tot=0;
12713 if (strcmp(filename, "-") == 0) {
12714 return SaveGame(stdout, 0, NULL);
12716 for(i=0; i<10; i++) { // upto 10 tries
12717 f = fopen(filename, append ? "a" : "w");
12718 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12719 if(f || errno != 13) break;
12720 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12724 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12725 DisplayError(buf, errno);
12728 safeStrCpy(buf, lastMsg, MSG_SIZ);
12729 DisplayMessage(_("Waiting for access to save file"), "");
12730 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12731 DisplayMessage(_("Saving game"), "");
12732 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12733 result = SaveGame(f, 0, NULL);
12734 DisplayMessage(buf, "");
12741 SavePart (char *str)
12743 static char buf[MSG_SIZ];
12746 p = strchr(str, ' ');
12747 if (p == NULL) return str;
12748 strncpy(buf, str, p - str);
12749 buf[p - str] = NULLCHAR;
12753 #define PGN_MAX_LINE 75
12755 #define PGN_SIDE_WHITE 0
12756 #define PGN_SIDE_BLACK 1
12759 FindFirstMoveOutOfBook (int side)
12763 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12764 int index = backwardMostMove;
12765 int has_book_hit = 0;
12767 if( (index % 2) != side ) {
12771 while( index < forwardMostMove ) {
12772 /* Check to see if engine is in book */
12773 int depth = pvInfoList[index].depth;
12774 int score = pvInfoList[index].score;
12780 else if( score == 0 && depth == 63 ) {
12781 in_book = 1; /* Zappa */
12783 else if( score == 2 && depth == 99 ) {
12784 in_book = 1; /* Abrok */
12787 has_book_hit += in_book;
12803 GetOutOfBookInfo (char * buf)
12807 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12809 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12810 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12814 if( oob[0] >= 0 || oob[1] >= 0 ) {
12815 for( i=0; i<2; i++ ) {
12819 if( i > 0 && oob[0] >= 0 ) {
12820 strcat( buf, " " );
12823 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12824 sprintf( buf+strlen(buf), "%s%.2f",
12825 pvInfoList[idx].score >= 0 ? "+" : "",
12826 pvInfoList[idx].score / 100.0 );
12832 /* Save game in PGN style and close the file */
12834 SaveGamePGN (FILE *f)
12836 int i, offset, linelen, newblock;
12839 int movelen, numlen, blank;
12840 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12842 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12844 PrintPGNTags(f, &gameInfo);
12846 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12848 if (backwardMostMove > 0 || startedFromSetupPosition) {
12849 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
12850 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12851 fprintf(f, "\n{--------------\n");
12852 PrintPosition(f, backwardMostMove);
12853 fprintf(f, "--------------}\n");
12857 /* [AS] Out of book annotation */
12858 if( appData.saveOutOfBookInfo ) {
12861 GetOutOfBookInfo( buf );
12863 if( buf[0] != '\0' ) {
12864 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12871 i = backwardMostMove;
12875 while (i < forwardMostMove) {
12876 /* Print comments preceding this move */
12877 if (commentList[i] != NULL) {
12878 if (linelen > 0) fprintf(f, "\n");
12879 fprintf(f, "%s", commentList[i]);
12884 /* Format move number */
12886 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12889 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12891 numtext[0] = NULLCHAR;
12893 numlen = strlen(numtext);
12896 /* Print move number */
12897 blank = linelen > 0 && numlen > 0;
12898 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12907 fprintf(f, "%s", numtext);
12911 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12912 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12915 blank = linelen > 0 && movelen > 0;
12916 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12925 fprintf(f, "%s", move_buffer);
12926 linelen += movelen;
12928 /* [AS] Add PV info if present */
12929 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12930 /* [HGM] add time */
12931 char buf[MSG_SIZ]; int seconds;
12933 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12939 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12942 seconds = (seconds + 4)/10; // round to full seconds
12944 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12946 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12949 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12950 pvInfoList[i].score >= 0 ? "+" : "",
12951 pvInfoList[i].score / 100.0,
12952 pvInfoList[i].depth,
12955 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12957 /* Print score/depth */
12958 blank = linelen > 0 && movelen > 0;
12959 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12968 fprintf(f, "%s", move_buffer);
12969 linelen += movelen;
12975 /* Start a new line */
12976 if (linelen > 0) fprintf(f, "\n");
12978 /* Print comments after last move */
12979 if (commentList[i] != NULL) {
12980 fprintf(f, "%s\n", commentList[i]);
12984 if (gameInfo.resultDetails != NULL &&
12985 gameInfo.resultDetails[0] != NULLCHAR) {
12986 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12987 PGNResult(gameInfo.result));
12989 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12993 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12997 /* Save game in old style and close the file */
12999 SaveGameOldStyle (FILE *f)
13004 tm = time((time_t *) NULL);
13006 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13009 if (backwardMostMove > 0 || startedFromSetupPosition) {
13010 fprintf(f, "\n[--------------\n");
13011 PrintPosition(f, backwardMostMove);
13012 fprintf(f, "--------------]\n");
13017 i = backwardMostMove;
13018 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13020 while (i < forwardMostMove) {
13021 if (commentList[i] != NULL) {
13022 fprintf(f, "[%s]\n", commentList[i]);
13025 if ((i % 2) == 1) {
13026 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13029 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13031 if (commentList[i] != NULL) {
13035 if (i >= forwardMostMove) {
13039 fprintf(f, "%s\n", parseList[i]);
13044 if (commentList[i] != NULL) {
13045 fprintf(f, "[%s]\n", commentList[i]);
13048 /* This isn't really the old style, but it's close enough */
13049 if (gameInfo.resultDetails != NULL &&
13050 gameInfo.resultDetails[0] != NULLCHAR) {
13051 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13052 gameInfo.resultDetails);
13054 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13061 /* Save the current game to open file f and close the file */
13063 SaveGame (FILE *f, int dummy, char *dummy2)
13065 if (gameMode == EditPosition) EditPositionDone(TRUE);
13066 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13067 if (appData.oldSaveStyle)
13068 return SaveGameOldStyle(f);
13070 return SaveGamePGN(f);
13073 /* Save the current position to the given file */
13075 SavePositionToFile (char *filename)
13080 if (strcmp(filename, "-") == 0) {
13081 return SavePosition(stdout, 0, NULL);
13083 f = fopen(filename, "a");
13085 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13086 DisplayError(buf, errno);
13089 safeStrCpy(buf, lastMsg, MSG_SIZ);
13090 DisplayMessage(_("Waiting for access to save file"), "");
13091 flock(fileno(f), LOCK_EX); // [HGM] lock
13092 DisplayMessage(_("Saving position"), "");
13093 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13094 SavePosition(f, 0, NULL);
13095 DisplayMessage(buf, "");
13101 /* Save the current position to the given open file and close the file */
13103 SavePosition (FILE *f, int dummy, char *dummy2)
13108 if (gameMode == EditPosition) EditPositionDone(TRUE);
13109 if (appData.oldSaveStyle) {
13110 tm = time((time_t *) NULL);
13112 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13114 fprintf(f, "[--------------\n");
13115 PrintPosition(f, currentMove);
13116 fprintf(f, "--------------]\n");
13118 fen = PositionToFEN(currentMove, NULL, 1);
13119 fprintf(f, "%s\n", fen);
13127 ReloadCmailMsgEvent (int unregister)
13130 static char *inFilename = NULL;
13131 static char *outFilename;
13133 struct stat inbuf, outbuf;
13136 /* Any registered moves are unregistered if unregister is set, */
13137 /* i.e. invoked by the signal handler */
13139 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13140 cmailMoveRegistered[i] = FALSE;
13141 if (cmailCommentList[i] != NULL) {
13142 free(cmailCommentList[i]);
13143 cmailCommentList[i] = NULL;
13146 nCmailMovesRegistered = 0;
13149 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13150 cmailResult[i] = CMAIL_NOT_RESULT;
13154 if (inFilename == NULL) {
13155 /* Because the filenames are static they only get malloced once */
13156 /* and they never get freed */
13157 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13158 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13160 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13161 sprintf(outFilename, "%s.out", appData.cmailGameName);
13164 status = stat(outFilename, &outbuf);
13166 cmailMailedMove = FALSE;
13168 status = stat(inFilename, &inbuf);
13169 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13172 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13173 counts the games, notes how each one terminated, etc.
13175 It would be nice to remove this kludge and instead gather all
13176 the information while building the game list. (And to keep it
13177 in the game list nodes instead of having a bunch of fixed-size
13178 parallel arrays.) Note this will require getting each game's
13179 termination from the PGN tags, as the game list builder does
13180 not process the game moves. --mann
13182 cmailMsgLoaded = TRUE;
13183 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13185 /* Load first game in the file or popup game menu */
13186 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13188 #endif /* !WIN32 */
13196 char string[MSG_SIZ];
13198 if ( cmailMailedMove
13199 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13200 return TRUE; /* Allow free viewing */
13203 /* Unregister move to ensure that we don't leave RegisterMove */
13204 /* with the move registered when the conditions for registering no */
13206 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13207 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13208 nCmailMovesRegistered --;
13210 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13212 free(cmailCommentList[lastLoadGameNumber - 1]);
13213 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13217 if (cmailOldMove == -1) {
13218 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13222 if (currentMove > cmailOldMove + 1) {
13223 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13227 if (currentMove < cmailOldMove) {
13228 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13232 if (forwardMostMove > currentMove) {
13233 /* Silently truncate extra moves */
13237 if ( (currentMove == cmailOldMove + 1)
13238 || ( (currentMove == cmailOldMove)
13239 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13240 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13241 if (gameInfo.result != GameUnfinished) {
13242 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13245 if (commentList[currentMove] != NULL) {
13246 cmailCommentList[lastLoadGameNumber - 1]
13247 = StrSave(commentList[currentMove]);
13249 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13251 if (appData.debugMode)
13252 fprintf(debugFP, "Saving %s for game %d\n",
13253 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13255 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13257 f = fopen(string, "w");
13258 if (appData.oldSaveStyle) {
13259 SaveGameOldStyle(f); /* also closes the file */
13261 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13262 f = fopen(string, "w");
13263 SavePosition(f, 0, NULL); /* also closes the file */
13265 fprintf(f, "{--------------\n");
13266 PrintPosition(f, currentMove);
13267 fprintf(f, "--------------}\n\n");
13269 SaveGame(f, 0, NULL); /* also closes the file*/
13272 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13273 nCmailMovesRegistered ++;
13274 } else if (nCmailGames == 1) {
13275 DisplayError(_("You have not made a move yet"), 0);
13286 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13287 FILE *commandOutput;
13288 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13289 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13295 if (! cmailMsgLoaded) {
13296 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13300 if (nCmailGames == nCmailResults) {
13301 DisplayError(_("No unfinished games"), 0);
13305 #if CMAIL_PROHIBIT_REMAIL
13306 if (cmailMailedMove) {
13307 snprintf(msg, MSG_SIZ, _("You have already mailed a move.\nWait until a move arrives from your opponent.\nTo resend the same move, type\n\"cmail -remail -game %s\"\non the command line."), appData.cmailGameName);
13308 DisplayError(msg, 0);
13313 if (! (cmailMailedMove || RegisterMove())) return;
13315 if ( cmailMailedMove
13316 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13317 snprintf(string, MSG_SIZ, partCommandString,
13318 appData.debugMode ? " -v" : "", appData.cmailGameName);
13319 commandOutput = popen(string, "r");
13321 if (commandOutput == NULL) {
13322 DisplayError(_("Failed to invoke cmail"), 0);
13324 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13325 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13327 if (nBuffers > 1) {
13328 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13329 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13330 nBytes = MSG_SIZ - 1;
13332 (void) memcpy(msg, buffer, nBytes);
13334 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13336 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13337 cmailMailedMove = TRUE; /* Prevent >1 moves */
13340 for (i = 0; i < nCmailGames; i ++) {
13341 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13346 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13348 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13350 appData.cmailGameName,
13352 LoadGameFromFile(buffer, 1, buffer, FALSE);
13353 cmailMsgLoaded = FALSE;
13357 DisplayInformation(msg);
13358 pclose(commandOutput);
13361 if ((*cmailMsg) != '\0') {
13362 DisplayInformation(cmailMsg);
13367 #endif /* !WIN32 */
13376 int prependComma = 0;
13378 char string[MSG_SIZ]; /* Space for game-list */
13381 if (!cmailMsgLoaded) return "";
13383 if (cmailMailedMove) {
13384 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13386 /* Create a list of games left */
13387 snprintf(string, MSG_SIZ, "[");
13388 for (i = 0; i < nCmailGames; i ++) {
13389 if (! ( cmailMoveRegistered[i]
13390 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13391 if (prependComma) {
13392 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13394 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13398 strcat(string, number);
13401 strcat(string, "]");
13403 if (nCmailMovesRegistered + nCmailResults == 0) {
13404 switch (nCmailGames) {
13406 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13410 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13414 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13419 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13421 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13426 if (nCmailResults == nCmailGames) {
13427 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13429 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13434 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13446 if (gameMode == Training)
13447 SetTrainingModeOff();
13450 cmailMsgLoaded = FALSE;
13451 if (appData.icsActive) {
13452 SendToICS(ics_prefix);
13453 SendToICS("refresh\n");
13458 ExitEvent (int status)
13462 /* Give up on clean exit */
13466 /* Keep trying for clean exit */
13470 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13472 if (telnetISR != NULL) {
13473 RemoveInputSource(telnetISR);
13475 if (icsPR != NoProc) {
13476 DestroyChildProcess(icsPR, TRUE);
13479 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13480 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13482 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13483 /* make sure this other one finishes before killing it! */
13484 if(endingGame) { int count = 0;
13485 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13486 while(endingGame && count++ < 10) DoSleep(1);
13487 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13490 /* Kill off chess programs */
13491 if (first.pr != NoProc) {
13494 DoSleep( appData.delayBeforeQuit );
13495 SendToProgram("quit\n", &first);
13496 DoSleep( appData.delayAfterQuit );
13497 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13499 if (second.pr != NoProc) {
13500 DoSleep( appData.delayBeforeQuit );
13501 SendToProgram("quit\n", &second);
13502 DoSleep( appData.delayAfterQuit );
13503 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13505 if (first.isr != NULL) {
13506 RemoveInputSource(first.isr);
13508 if (second.isr != NULL) {
13509 RemoveInputSource(second.isr);
13512 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13513 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13515 ShutDownFrontEnd();
13520 PauseEngine (ChessProgramState *cps)
13522 SendToProgram("pause\n", cps);
13527 UnPauseEngine (ChessProgramState *cps)
13529 SendToProgram("resume\n", cps);
13536 if (appData.debugMode)
13537 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13541 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13543 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13544 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13545 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13547 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13548 HandleMachineMove(stashedInputMove, stalledEngine);
13549 stalledEngine = NULL;
13552 if (gameMode == MachinePlaysWhite ||
13553 gameMode == TwoMachinesPlay ||
13554 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13555 if(first.pause) UnPauseEngine(&first);
13556 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13557 if(second.pause) UnPauseEngine(&second);
13558 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13561 DisplayBothClocks();
13563 if (gameMode == PlayFromGameFile) {
13564 if (appData.timeDelay >= 0)
13565 AutoPlayGameLoop();
13566 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13567 Reset(FALSE, TRUE);
13568 SendToICS(ics_prefix);
13569 SendToICS("refresh\n");
13570 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13571 ForwardInner(forwardMostMove);
13573 pauseExamInvalid = FALSE;
13575 switch (gameMode) {
13579 pauseExamForwardMostMove = forwardMostMove;
13580 pauseExamInvalid = FALSE;
13583 case IcsPlayingWhite:
13584 case IcsPlayingBlack:
13588 case PlayFromGameFile:
13589 (void) StopLoadGameTimer();
13593 case BeginningOfGame:
13594 if (appData.icsActive) return;
13595 /* else fall through */
13596 case MachinePlaysWhite:
13597 case MachinePlaysBlack:
13598 case TwoMachinesPlay:
13599 if (forwardMostMove == 0)
13600 return; /* don't pause if no one has moved */
13601 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13602 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13603 if(onMove->pause) { // thinking engine can be paused
13604 PauseEngine(onMove); // do it
13605 if(onMove->other->pause) // pondering opponent can always be paused immediately
13606 PauseEngine(onMove->other);
13608 SendToProgram("easy\n", onMove->other);
13610 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13611 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13613 PauseEngine(&first);
13615 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13616 } else { // human on move, pause pondering by either method
13618 PauseEngine(&first);
13619 else if(appData.ponderNextMove)
13620 SendToProgram("easy\n", &first);
13623 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13633 EditCommentEvent ()
13635 char title[MSG_SIZ];
13637 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13638 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13640 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13641 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13642 parseList[currentMove - 1]);
13645 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13652 char *tags = PGNTags(&gameInfo);
13654 EditTagsPopUp(tags, NULL);
13661 if(second.analyzing) {
13662 SendToProgram("exit\n", &second);
13663 second.analyzing = FALSE;
13665 if (second.pr == NoProc) StartChessProgram(&second);
13666 InitChessProgram(&second, FALSE);
13667 FeedMovesToProgram(&second, currentMove);
13669 SendToProgram("analyze\n", &second);
13670 second.analyzing = TRUE;
13674 /* Toggle ShowThinking */
13676 ToggleShowThinking()
13678 appData.showThinking = !appData.showThinking;
13679 ShowThinkingEvent();
13683 AnalyzeModeEvent ()
13687 if (!first.analysisSupport) {
13688 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13689 DisplayError(buf, 0);
13692 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13693 if (appData.icsActive) {
13694 if (gameMode != IcsObserving) {
13695 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13696 DisplayError(buf, 0);
13698 if (appData.icsEngineAnalyze) {
13699 if (appData.debugMode)
13700 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
13706 /* if enable, user wants to disable icsEngineAnalyze */
13707 if (appData.icsEngineAnalyze) {
13712 appData.icsEngineAnalyze = TRUE;
13713 if (appData.debugMode)
13714 fprintf(debugFP, "ICS engine analyze starting... \n");
13717 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13718 if (appData.noChessProgram || gameMode == AnalyzeMode)
13721 if (gameMode != AnalyzeFile) {
13722 if (!appData.icsEngineAnalyze) {
13724 if (gameMode != EditGame) return 0;
13726 if (!appData.showThinking) ToggleShowThinking();
13727 ResurrectChessProgram();
13728 SendToProgram("analyze\n", &first);
13729 first.analyzing = TRUE;
13730 /*first.maybeThinking = TRUE;*/
13731 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13732 EngineOutputPopUp();
13734 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13739 StartAnalysisClock();
13740 GetTimeMark(&lastNodeCountTime);
13746 AnalyzeFileEvent ()
13748 if (appData.noChessProgram || gameMode == AnalyzeFile)
13751 if (!first.analysisSupport) {
13753 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13754 DisplayError(buf, 0);
13758 if (gameMode != AnalyzeMode) {
13759 keepInfo = 1; // mere annotating should not alter PGN tags
13762 if (gameMode != EditGame) return;
13763 if (!appData.showThinking) ToggleShowThinking();
13764 ResurrectChessProgram();
13765 SendToProgram("analyze\n", &first);
13766 first.analyzing = TRUE;
13767 /*first.maybeThinking = TRUE;*/
13768 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13769 EngineOutputPopUp();
13771 gameMode = AnalyzeFile;
13775 StartAnalysisClock();
13776 GetTimeMark(&lastNodeCountTime);
13778 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13779 AnalysisPeriodicEvent(1);
13783 MachineWhiteEvent ()
13786 char *bookHit = NULL;
13788 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13792 if (gameMode == PlayFromGameFile ||
13793 gameMode == TwoMachinesPlay ||
13794 gameMode == Training ||
13795 gameMode == AnalyzeMode ||
13796 gameMode == EndOfGame)
13799 if (gameMode == EditPosition)
13800 EditPositionDone(TRUE);
13802 if (!WhiteOnMove(currentMove)) {
13803 DisplayError(_("It is not White's turn"), 0);
13807 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13810 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13811 gameMode == AnalyzeFile)
13814 ResurrectChessProgram(); /* in case it isn't running */
13815 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13816 gameMode = MachinePlaysWhite;
13819 gameMode = MachinePlaysWhite;
13823 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13825 if (first.sendName) {
13826 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13827 SendToProgram(buf, &first);
13829 if (first.sendTime) {
13830 if (first.useColors) {
13831 SendToProgram("black\n", &first); /*gnu kludge*/
13833 SendTimeRemaining(&first, TRUE);
13835 if (first.useColors) {
13836 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13838 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13839 SetMachineThinkingEnables();
13840 first.maybeThinking = TRUE;
13844 if (appData.autoFlipView && !flipView) {
13845 flipView = !flipView;
13846 DrawPosition(FALSE, NULL);
13847 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13850 if(bookHit) { // [HGM] book: simulate book reply
13851 static char bookMove[MSG_SIZ]; // a bit generous?
13853 programStats.nodes = programStats.depth = programStats.time =
13854 programStats.score = programStats.got_only_move = 0;
13855 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13857 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13858 strcat(bookMove, bookHit);
13859 HandleMachineMove(bookMove, &first);
13864 MachineBlackEvent ()
13867 char *bookHit = NULL;
13869 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13873 if (gameMode == PlayFromGameFile ||
13874 gameMode == TwoMachinesPlay ||
13875 gameMode == Training ||
13876 gameMode == AnalyzeMode ||
13877 gameMode == EndOfGame)
13880 if (gameMode == EditPosition)
13881 EditPositionDone(TRUE);
13883 if (WhiteOnMove(currentMove)) {
13884 DisplayError(_("It is not Black's turn"), 0);
13888 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13891 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13892 gameMode == AnalyzeFile)
13895 ResurrectChessProgram(); /* in case it isn't running */
13896 gameMode = MachinePlaysBlack;
13900 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13902 if (first.sendName) {
13903 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13904 SendToProgram(buf, &first);
13906 if (first.sendTime) {
13907 if (first.useColors) {
13908 SendToProgram("white\n", &first); /*gnu kludge*/
13910 SendTimeRemaining(&first, FALSE);
13912 if (first.useColors) {
13913 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13915 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13916 SetMachineThinkingEnables();
13917 first.maybeThinking = TRUE;
13920 if (appData.autoFlipView && flipView) {
13921 flipView = !flipView;
13922 DrawPosition(FALSE, NULL);
13923 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13925 if(bookHit) { // [HGM] book: simulate book reply
13926 static char bookMove[MSG_SIZ]; // a bit generous?
13928 programStats.nodes = programStats.depth = programStats.time =
13929 programStats.score = programStats.got_only_move = 0;
13930 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13932 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13933 strcat(bookMove, bookHit);
13934 HandleMachineMove(bookMove, &first);
13940 DisplayTwoMachinesTitle ()
13943 if (appData.matchGames > 0) {
13944 if(appData.tourneyFile[0]) {
13945 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13946 gameInfo.white, _("vs."), gameInfo.black,
13947 nextGame+1, appData.matchGames+1,
13948 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13950 if (first.twoMachinesColor[0] == 'w') {
13951 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13952 gameInfo.white, _("vs."), gameInfo.black,
13953 first.matchWins, second.matchWins,
13954 matchGame - 1 - (first.matchWins + second.matchWins));
13956 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13957 gameInfo.white, _("vs."), gameInfo.black,
13958 second.matchWins, first.matchWins,
13959 matchGame - 1 - (first.matchWins + second.matchWins));
13962 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13968 SettingsMenuIfReady ()
13970 if (second.lastPing != second.lastPong) {
13971 DisplayMessage("", _("Waiting for second chess program"));
13972 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13976 DisplayMessage("", "");
13977 SettingsPopUp(&second);
13981 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13984 if (cps->pr == NoProc) {
13985 StartChessProgram(cps);
13986 if (cps->protocolVersion == 1) {
13988 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
13990 /* kludge: allow timeout for initial "feature" command */
13991 if(retry != TwoMachinesEventIfReady) FreezeUI();
13992 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13993 DisplayMessage("", buf);
13994 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14002 TwoMachinesEvent P((void))
14006 ChessProgramState *onmove;
14007 char *bookHit = NULL;
14008 static int stalling = 0;
14012 if (appData.noChessProgram) return;
14014 switch (gameMode) {
14015 case TwoMachinesPlay:
14017 case MachinePlaysWhite:
14018 case MachinePlaysBlack:
14019 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14020 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14024 case BeginningOfGame:
14025 case PlayFromGameFile:
14028 if (gameMode != EditGame) return;
14031 EditPositionDone(TRUE);
14042 // forwardMostMove = currentMove;
14043 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14044 startingEngine = TRUE;
14046 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14048 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14049 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14050 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14053 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14055 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
14056 startingEngine = FALSE;
14057 DisplayError("second engine does not play this", 0);
14062 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14063 SendToProgram("force\n", &second);
14065 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14068 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14069 if(appData.matchPause>10000 || appData.matchPause<10)
14070 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14071 wait = SubtractTimeMarks(&now, &pauseStart);
14072 if(wait < appData.matchPause) {
14073 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14076 // we are now committed to starting the game
14078 DisplayMessage("", "");
14079 if (startedFromSetupPosition) {
14080 SendBoard(&second, backwardMostMove);
14081 if (appData.debugMode) {
14082 fprintf(debugFP, "Two Machines\n");
14085 for (i = backwardMostMove; i < forwardMostMove; i++) {
14086 SendMoveToProgram(i, &second);
14089 gameMode = TwoMachinesPlay;
14090 pausing = startingEngine = FALSE;
14091 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14093 DisplayTwoMachinesTitle();
14095 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14100 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14101 SendToProgram(first.computerString, &first);
14102 if (first.sendName) {
14103 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14104 SendToProgram(buf, &first);
14106 SendToProgram(second.computerString, &second);
14107 if (second.sendName) {
14108 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14109 SendToProgram(buf, &second);
14113 if (!first.sendTime || !second.sendTime) {
14114 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14115 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14117 if (onmove->sendTime) {
14118 if (onmove->useColors) {
14119 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14121 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14123 if (onmove->useColors) {
14124 SendToProgram(onmove->twoMachinesColor, onmove);
14126 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14127 // SendToProgram("go\n", onmove);
14128 onmove->maybeThinking = TRUE;
14129 SetMachineThinkingEnables();
14133 if(bookHit) { // [HGM] book: simulate book reply
14134 static char bookMove[MSG_SIZ]; // a bit generous?
14136 programStats.nodes = programStats.depth = programStats.time =
14137 programStats.score = programStats.got_only_move = 0;
14138 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14140 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14141 strcat(bookMove, bookHit);
14142 savedMessage = bookMove; // args for deferred call
14143 savedState = onmove;
14144 ScheduleDelayedEvent(DeferredBookMove, 1);
14151 if (gameMode == Training) {
14152 SetTrainingModeOff();
14153 gameMode = PlayFromGameFile;
14154 DisplayMessage("", _("Training mode off"));
14156 gameMode = Training;
14157 animateTraining = appData.animate;
14159 /* make sure we are not already at the end of the game */
14160 if (currentMove < forwardMostMove) {
14161 SetTrainingModeOn();
14162 DisplayMessage("", _("Training mode on"));
14164 gameMode = PlayFromGameFile;
14165 DisplayError(_("Already at end of game"), 0);
14174 if (!appData.icsActive) return;
14175 switch (gameMode) {
14176 case IcsPlayingWhite:
14177 case IcsPlayingBlack:
14180 case BeginningOfGame:
14188 EditPositionDone(TRUE);
14201 gameMode = IcsIdle;
14211 switch (gameMode) {
14213 SetTrainingModeOff();
14215 case MachinePlaysWhite:
14216 case MachinePlaysBlack:
14217 case BeginningOfGame:
14218 SendToProgram("force\n", &first);
14219 SetUserThinkingEnables();
14221 case PlayFromGameFile:
14222 (void) StopLoadGameTimer();
14223 if (gameFileFP != NULL) {
14228 EditPositionDone(TRUE);
14233 SendToProgram("force\n", &first);
14235 case TwoMachinesPlay:
14236 GameEnds(EndOfFile, NULL, GE_PLAYER);
14237 ResurrectChessProgram();
14238 SetUserThinkingEnables();
14241 ResurrectChessProgram();
14243 case IcsPlayingBlack:
14244 case IcsPlayingWhite:
14245 DisplayError(_("Warning: You are still playing a game"), 0);
14248 DisplayError(_("Warning: You are still observing a game"), 0);
14251 DisplayError(_("Warning: You are still examining a game"), 0);
14262 first.offeredDraw = second.offeredDraw = 0;
14264 if (gameMode == PlayFromGameFile) {
14265 whiteTimeRemaining = timeRemaining[0][currentMove];
14266 blackTimeRemaining = timeRemaining[1][currentMove];
14270 if (gameMode == MachinePlaysWhite ||
14271 gameMode == MachinePlaysBlack ||
14272 gameMode == TwoMachinesPlay ||
14273 gameMode == EndOfGame) {
14274 i = forwardMostMove;
14275 while (i > currentMove) {
14276 SendToProgram("undo\n", &first);
14279 if(!adjustedClock) {
14280 whiteTimeRemaining = timeRemaining[0][currentMove];
14281 blackTimeRemaining = timeRemaining[1][currentMove];
14282 DisplayBothClocks();
14284 if (whiteFlag || blackFlag) {
14285 whiteFlag = blackFlag = 0;
14290 gameMode = EditGame;
14297 EditPositionEvent ()
14299 if (gameMode == EditPosition) {
14305 if (gameMode != EditGame) return;
14307 gameMode = EditPosition;
14310 if (currentMove > 0)
14311 CopyBoard(boards[0], boards[currentMove]);
14313 blackPlaysFirst = !WhiteOnMove(currentMove);
14315 currentMove = forwardMostMove = backwardMostMove = 0;
14316 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14318 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14324 /* [DM] icsEngineAnalyze - possible call from other functions */
14325 if (appData.icsEngineAnalyze) {
14326 appData.icsEngineAnalyze = FALSE;
14328 DisplayMessage("",_("Close ICS engine analyze..."));
14330 if (first.analysisSupport && first.analyzing) {
14331 SendToBoth("exit\n");
14332 first.analyzing = second.analyzing = FALSE;
14334 thinkOutput[0] = NULLCHAR;
14338 EditPositionDone (Boolean fakeRights)
14340 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14342 startedFromSetupPosition = TRUE;
14343 InitChessProgram(&first, FALSE);
14344 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14345 boards[0][EP_STATUS] = EP_NONE;
14346 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14347 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14348 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14349 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14350 } else boards[0][CASTLING][2] = NoRights;
14351 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14352 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14353 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14354 } else boards[0][CASTLING][5] = NoRights;
14355 if(gameInfo.variant == VariantSChess) {
14357 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14358 boards[0][VIRGIN][i] = 0;
14359 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14360 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14364 SendToProgram("force\n", &first);
14365 if (blackPlaysFirst) {
14366 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14367 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14368 currentMove = forwardMostMove = backwardMostMove = 1;
14369 CopyBoard(boards[1], boards[0]);
14371 currentMove = forwardMostMove = backwardMostMove = 0;
14373 SendBoard(&first, forwardMostMove);
14374 if (appData.debugMode) {
14375 fprintf(debugFP, "EditPosDone\n");
14378 DisplayMessage("", "");
14379 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14380 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14381 gameMode = EditGame;
14383 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14384 ClearHighlights(); /* [AS] */
14387 /* Pause for `ms' milliseconds */
14388 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14390 TimeDelay (long ms)
14397 } while (SubtractTimeMarks(&m2, &m1) < ms);
14400 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14402 SendMultiLineToICS (char *buf)
14404 char temp[MSG_SIZ+1], *p;
14411 strncpy(temp, buf, len);
14416 if (*p == '\n' || *p == '\r')
14421 strcat(temp, "\n");
14423 SendToPlayer(temp, strlen(temp));
14427 SetWhiteToPlayEvent ()
14429 if (gameMode == EditPosition) {
14430 blackPlaysFirst = FALSE;
14431 DisplayBothClocks(); /* works because currentMove is 0 */
14432 } else if (gameMode == IcsExamining) {
14433 SendToICS(ics_prefix);
14434 SendToICS("tomove white\n");
14439 SetBlackToPlayEvent ()
14441 if (gameMode == EditPosition) {
14442 blackPlaysFirst = TRUE;
14443 currentMove = 1; /* kludge */
14444 DisplayBothClocks();
14446 } else if (gameMode == IcsExamining) {
14447 SendToICS(ics_prefix);
14448 SendToICS("tomove black\n");
14453 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14456 ChessSquare piece = boards[0][y][x];
14458 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14460 switch (selection) {
14462 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14463 SendToICS(ics_prefix);
14464 SendToICS("bsetup clear\n");
14465 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14466 SendToICS(ics_prefix);
14467 SendToICS("clearboard\n");
14469 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14470 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14471 for (y = 0; y < BOARD_HEIGHT; y++) {
14472 if (gameMode == IcsExamining) {
14473 if (boards[currentMove][y][x] != EmptySquare) {
14474 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14479 boards[0][y][x] = p;
14484 if (gameMode == EditPosition) {
14485 DrawPosition(FALSE, boards[0]);
14490 SetWhiteToPlayEvent();
14494 SetBlackToPlayEvent();
14498 if (gameMode == IcsExamining) {
14499 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14500 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14503 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14504 if(x == BOARD_LEFT-2) {
14505 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14506 boards[0][y][1] = 0;
14508 if(x == BOARD_RGHT+1) {
14509 if(y >= gameInfo.holdingsSize) break;
14510 boards[0][y][BOARD_WIDTH-2] = 0;
14513 boards[0][y][x] = EmptySquare;
14514 DrawPosition(FALSE, boards[0]);
14519 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14520 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14521 selection = (ChessSquare) (PROMOTED piece);
14522 } else if(piece == EmptySquare) selection = WhiteSilver;
14523 else selection = (ChessSquare)((int)piece - 1);
14527 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14528 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14529 selection = (ChessSquare) (DEMOTED piece);
14530 } else if(piece == EmptySquare) selection = BlackSilver;
14531 else selection = (ChessSquare)((int)piece + 1);
14536 if(gameInfo.variant == VariantShatranj ||
14537 gameInfo.variant == VariantXiangqi ||
14538 gameInfo.variant == VariantCourier ||
14539 gameInfo.variant == VariantASEAN ||
14540 gameInfo.variant == VariantMakruk )
14541 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14546 if(gameInfo.variant == VariantXiangqi)
14547 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14548 if(gameInfo.variant == VariantKnightmate)
14549 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14552 if (gameMode == IcsExamining) {
14553 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14554 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14555 PieceToChar(selection), AAA + x, ONE + y);
14558 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14560 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14561 n = PieceToNumber(selection - BlackPawn);
14562 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14563 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14564 boards[0][BOARD_HEIGHT-1-n][1]++;
14566 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14567 n = PieceToNumber(selection);
14568 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14569 boards[0][n][BOARD_WIDTH-1] = selection;
14570 boards[0][n][BOARD_WIDTH-2]++;
14573 boards[0][y][x] = selection;
14574 DrawPosition(TRUE, boards[0]);
14576 fromX = fromY = -1;
14584 DropMenuEvent (ChessSquare selection, int x, int y)
14586 ChessMove moveType;
14588 switch (gameMode) {
14589 case IcsPlayingWhite:
14590 case MachinePlaysBlack:
14591 if (!WhiteOnMove(currentMove)) {
14592 DisplayMoveError(_("It is Black's turn"));
14595 moveType = WhiteDrop;
14597 case IcsPlayingBlack:
14598 case MachinePlaysWhite:
14599 if (WhiteOnMove(currentMove)) {
14600 DisplayMoveError(_("It is White's turn"));
14603 moveType = BlackDrop;
14606 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14612 if (moveType == BlackDrop && selection < BlackPawn) {
14613 selection = (ChessSquare) ((int) selection
14614 + (int) BlackPawn - (int) WhitePawn);
14616 if (boards[currentMove][y][x] != EmptySquare) {
14617 DisplayMoveError(_("That square is occupied"));
14621 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14627 /* Accept a pending offer of any kind from opponent */
14629 if (appData.icsActive) {
14630 SendToICS(ics_prefix);
14631 SendToICS("accept\n");
14632 } else if (cmailMsgLoaded) {
14633 if (currentMove == cmailOldMove &&
14634 commentList[cmailOldMove] != NULL &&
14635 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14636 "Black offers a draw" : "White offers a draw")) {
14638 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14639 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14641 DisplayError(_("There is no pending offer on this move"), 0);
14642 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14645 /* Not used for offers from chess program */
14652 /* Decline a pending offer of any kind from opponent */
14654 if (appData.icsActive) {
14655 SendToICS(ics_prefix);
14656 SendToICS("decline\n");
14657 } else if (cmailMsgLoaded) {
14658 if (currentMove == cmailOldMove &&
14659 commentList[cmailOldMove] != NULL &&
14660 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14661 "Black offers a draw" : "White offers a draw")) {
14663 AppendComment(cmailOldMove, "Draw declined", TRUE);
14664 DisplayComment(cmailOldMove - 1, "Draw declined");
14667 DisplayError(_("There is no pending offer on this move"), 0);
14670 /* Not used for offers from chess program */
14677 /* Issue ICS rematch command */
14678 if (appData.icsActive) {
14679 SendToICS(ics_prefix);
14680 SendToICS("rematch\n");
14687 /* Call your opponent's flag (claim a win on time) */
14688 if (appData.icsActive) {
14689 SendToICS(ics_prefix);
14690 SendToICS("flag\n");
14692 switch (gameMode) {
14695 case MachinePlaysWhite:
14698 GameEnds(GameIsDrawn, "Both players ran out of time",
14701 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14703 DisplayError(_("Your opponent is not out of time"), 0);
14706 case MachinePlaysBlack:
14709 GameEnds(GameIsDrawn, "Both players ran out of time",
14712 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14714 DisplayError(_("Your opponent is not out of time"), 0);
14722 ClockClick (int which)
14723 { // [HGM] code moved to back-end from winboard.c
14724 if(which) { // black clock
14725 if (gameMode == EditPosition || gameMode == IcsExamining) {
14726 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14727 SetBlackToPlayEvent();
14728 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14729 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14730 } else if (shiftKey) {
14731 AdjustClock(which, -1);
14732 } else if (gameMode == IcsPlayingWhite ||
14733 gameMode == MachinePlaysBlack) {
14736 } else { // white clock
14737 if (gameMode == EditPosition || gameMode == IcsExamining) {
14738 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14739 SetWhiteToPlayEvent();
14740 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14741 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14742 } else if (shiftKey) {
14743 AdjustClock(which, -1);
14744 } else if (gameMode == IcsPlayingBlack ||
14745 gameMode == MachinePlaysWhite) {
14754 /* Offer draw or accept pending draw offer from opponent */
14756 if (appData.icsActive) {
14757 /* Note: tournament rules require draw offers to be
14758 made after you make your move but before you punch
14759 your clock. Currently ICS doesn't let you do that;
14760 instead, you immediately punch your clock after making
14761 a move, but you can offer a draw at any time. */
14763 SendToICS(ics_prefix);
14764 SendToICS("draw\n");
14765 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14766 } else if (cmailMsgLoaded) {
14767 if (currentMove == cmailOldMove &&
14768 commentList[cmailOldMove] != NULL &&
14769 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14770 "Black offers a draw" : "White offers a draw")) {
14771 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14772 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14773 } else if (currentMove == cmailOldMove + 1) {
14774 char *offer = WhiteOnMove(cmailOldMove) ?
14775 "White offers a draw" : "Black offers a draw";
14776 AppendComment(currentMove, offer, TRUE);
14777 DisplayComment(currentMove - 1, offer);
14778 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14780 DisplayError(_("You must make your move before offering a draw"), 0);
14781 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14783 } else if (first.offeredDraw) {
14784 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14786 if (first.sendDrawOffers) {
14787 SendToProgram("draw\n", &first);
14788 userOfferedDraw = TRUE;
14796 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14798 if (appData.icsActive) {
14799 SendToICS(ics_prefix);
14800 SendToICS("adjourn\n");
14802 /* Currently GNU Chess doesn't offer or accept Adjourns */
14810 /* Offer Abort or accept pending Abort offer from opponent */
14812 if (appData.icsActive) {
14813 SendToICS(ics_prefix);
14814 SendToICS("abort\n");
14816 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14823 /* Resign. You can do this even if it's not your turn. */
14825 if (appData.icsActive) {
14826 SendToICS(ics_prefix);
14827 SendToICS("resign\n");
14829 switch (gameMode) {
14830 case MachinePlaysWhite:
14831 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14833 case MachinePlaysBlack:
14834 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14837 if (cmailMsgLoaded) {
14839 if (WhiteOnMove(cmailOldMove)) {
14840 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14842 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14844 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14855 StopObservingEvent ()
14857 /* Stop observing current games */
14858 SendToICS(ics_prefix);
14859 SendToICS("unobserve\n");
14863 StopExaminingEvent ()
14865 /* Stop observing current game */
14866 SendToICS(ics_prefix);
14867 SendToICS("unexamine\n");
14871 ForwardInner (int target)
14873 int limit; int oldSeekGraphUp = seekGraphUp;
14875 if (appData.debugMode)
14876 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14877 target, currentMove, forwardMostMove);
14879 if (gameMode == EditPosition)
14882 seekGraphUp = FALSE;
14883 MarkTargetSquares(1);
14885 if (gameMode == PlayFromGameFile && !pausing)
14888 if (gameMode == IcsExamining && pausing)
14889 limit = pauseExamForwardMostMove;
14891 limit = forwardMostMove;
14893 if (target > limit) target = limit;
14895 if (target > 0 && moveList[target - 1][0]) {
14896 int fromX, fromY, toX, toY;
14897 toX = moveList[target - 1][2] - AAA;
14898 toY = moveList[target - 1][3] - ONE;
14899 if (moveList[target - 1][1] == '@') {
14900 if (appData.highlightLastMove) {
14901 SetHighlights(-1, -1, toX, toY);
14904 fromX = moveList[target - 1][0] - AAA;
14905 fromY = moveList[target - 1][1] - ONE;
14906 if (target == currentMove + 1) {
14907 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14909 if (appData.highlightLastMove) {
14910 SetHighlights(fromX, fromY, toX, toY);
14914 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14915 gameMode == Training || gameMode == PlayFromGameFile ||
14916 gameMode == AnalyzeFile) {
14917 while (currentMove < target) {
14918 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14919 SendMoveToProgram(currentMove++, &first);
14922 currentMove = target;
14925 if (gameMode == EditGame || gameMode == EndOfGame) {
14926 whiteTimeRemaining = timeRemaining[0][currentMove];
14927 blackTimeRemaining = timeRemaining[1][currentMove];
14929 DisplayBothClocks();
14930 DisplayMove(currentMove - 1);
14931 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14932 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14933 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14934 DisplayComment(currentMove - 1, commentList[currentMove]);
14936 ClearMap(); // [HGM] exclude: invalidate map
14943 if (gameMode == IcsExamining && !pausing) {
14944 SendToICS(ics_prefix);
14945 SendToICS("forward\n");
14947 ForwardInner(currentMove + 1);
14954 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14955 /* to optimze, we temporarily turn off analysis mode while we feed
14956 * the remaining moves to the engine. Otherwise we get analysis output
14959 if (first.analysisSupport) {
14960 SendToProgram("exit\nforce\n", &first);
14961 first.analyzing = FALSE;
14965 if (gameMode == IcsExamining && !pausing) {
14966 SendToICS(ics_prefix);
14967 SendToICS("forward 999999\n");
14969 ForwardInner(forwardMostMove);
14972 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14973 /* we have fed all the moves, so reactivate analysis mode */
14974 SendToProgram("analyze\n", &first);
14975 first.analyzing = TRUE;
14976 /*first.maybeThinking = TRUE;*/
14977 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14982 BackwardInner (int target)
14984 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14986 if (appData.debugMode)
14987 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14988 target, currentMove, forwardMostMove);
14990 if (gameMode == EditPosition) return;
14991 seekGraphUp = FALSE;
14992 MarkTargetSquares(1);
14993 if (currentMove <= backwardMostMove) {
14995 DrawPosition(full_redraw, boards[currentMove]);
14998 if (gameMode == PlayFromGameFile && !pausing)
15001 if (moveList[target][0]) {
15002 int fromX, fromY, toX, toY;
15003 toX = moveList[target][2] - AAA;
15004 toY = moveList[target][3] - ONE;
15005 if (moveList[target][1] == '@') {
15006 if (appData.highlightLastMove) {
15007 SetHighlights(-1, -1, toX, toY);
15010 fromX = moveList[target][0] - AAA;
15011 fromY = moveList[target][1] - ONE;
15012 if (target == currentMove - 1) {
15013 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15015 if (appData.highlightLastMove) {
15016 SetHighlights(fromX, fromY, toX, toY);
15020 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15021 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15022 while (currentMove > target) {
15023 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15024 // null move cannot be undone. Reload program with move history before it.
15026 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15027 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15029 SendBoard(&first, i);
15030 if(second.analyzing) SendBoard(&second, i);
15031 for(currentMove=i; currentMove<target; currentMove++) {
15032 SendMoveToProgram(currentMove, &first);
15033 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15037 SendToBoth("undo\n");
15041 currentMove = target;
15044 if (gameMode == EditGame || gameMode == EndOfGame) {
15045 whiteTimeRemaining = timeRemaining[0][currentMove];
15046 blackTimeRemaining = timeRemaining[1][currentMove];
15048 DisplayBothClocks();
15049 DisplayMove(currentMove - 1);
15050 DrawPosition(full_redraw, boards[currentMove]);
15051 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15052 // [HGM] PV info: routine tests if comment empty
15053 DisplayComment(currentMove - 1, commentList[currentMove]);
15054 ClearMap(); // [HGM] exclude: invalidate map
15060 if (gameMode == IcsExamining && !pausing) {
15061 SendToICS(ics_prefix);
15062 SendToICS("backward\n");
15064 BackwardInner(currentMove - 1);
15071 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15072 /* to optimize, we temporarily turn off analysis mode while we undo
15073 * all the moves. Otherwise we get analysis output after each undo.
15075 if (first.analysisSupport) {
15076 SendToProgram("exit\nforce\n", &first);
15077 first.analyzing = FALSE;
15081 if (gameMode == IcsExamining && !pausing) {
15082 SendToICS(ics_prefix);
15083 SendToICS("backward 999999\n");
15085 BackwardInner(backwardMostMove);
15088 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15089 /* we have fed all the moves, so reactivate analysis mode */
15090 SendToProgram("analyze\n", &first);
15091 first.analyzing = TRUE;
15092 /*first.maybeThinking = TRUE;*/
15093 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15100 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15101 if (to >= forwardMostMove) to = forwardMostMove;
15102 if (to <= backwardMostMove) to = backwardMostMove;
15103 if (to < currentMove) {
15111 RevertEvent (Boolean annotate)
15113 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15116 if (gameMode != IcsExamining) {
15117 DisplayError(_("You are not examining a game"), 0);
15121 DisplayError(_("You can't revert while pausing"), 0);
15124 SendToICS(ics_prefix);
15125 SendToICS("revert\n");
15129 RetractMoveEvent ()
15131 switch (gameMode) {
15132 case MachinePlaysWhite:
15133 case MachinePlaysBlack:
15134 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15135 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
15138 if (forwardMostMove < 2) return;
15139 currentMove = forwardMostMove = forwardMostMove - 2;
15140 whiteTimeRemaining = timeRemaining[0][currentMove];
15141 blackTimeRemaining = timeRemaining[1][currentMove];
15142 DisplayBothClocks();
15143 DisplayMove(currentMove - 1);
15144 ClearHighlights();/*!! could figure this out*/
15145 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15146 SendToProgram("remove\n", &first);
15147 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15150 case BeginningOfGame:
15154 case IcsPlayingWhite:
15155 case IcsPlayingBlack:
15156 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15157 SendToICS(ics_prefix);
15158 SendToICS("takeback 2\n");
15160 SendToICS(ics_prefix);
15161 SendToICS("takeback 1\n");
15170 ChessProgramState *cps;
15172 switch (gameMode) {
15173 case MachinePlaysWhite:
15174 if (!WhiteOnMove(forwardMostMove)) {
15175 DisplayError(_("It is your turn"), 0);
15180 case MachinePlaysBlack:
15181 if (WhiteOnMove(forwardMostMove)) {
15182 DisplayError(_("It is your turn"), 0);
15187 case TwoMachinesPlay:
15188 if (WhiteOnMove(forwardMostMove) ==
15189 (first.twoMachinesColor[0] == 'w')) {
15195 case BeginningOfGame:
15199 SendToProgram("?\n", cps);
15203 TruncateGameEvent ()
15206 if (gameMode != EditGame) return;
15213 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15214 if (forwardMostMove > currentMove) {
15215 if (gameInfo.resultDetails != NULL) {
15216 free(gameInfo.resultDetails);
15217 gameInfo.resultDetails = NULL;
15218 gameInfo.result = GameUnfinished;
15220 forwardMostMove = currentMove;
15221 HistorySet(parseList, backwardMostMove, forwardMostMove,
15229 if (appData.noChessProgram) return;
15230 switch (gameMode) {
15231 case MachinePlaysWhite:
15232 if (WhiteOnMove(forwardMostMove)) {
15233 DisplayError(_("Wait until your turn"), 0);
15237 case BeginningOfGame:
15238 case MachinePlaysBlack:
15239 if (!WhiteOnMove(forwardMostMove)) {
15240 DisplayError(_("Wait until your turn"), 0);
15245 DisplayError(_("No hint available"), 0);
15248 SendToProgram("hint\n", &first);
15249 hintRequested = TRUE;
15255 ListGame * lg = (ListGame *) gameList.head;
15258 static int secondTime = FALSE;
15260 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15261 DisplayError(_("Game list not loaded or empty"), 0);
15265 if(!secondTime && (f = fopen(appData.polyglotBook, "r"))) {
15268 DisplayNote(_("Book file exists! Try again for overwrite."));
15272 creatingBook = TRUE;
15273 secondTime = FALSE;
15275 /* Get list size */
15276 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15277 LoadGame(f, nItem, "", TRUE);
15278 AddGameToBook(TRUE);
15279 lg = (ListGame *) lg->node.succ;
15282 creatingBook = FALSE;
15289 if (appData.noChessProgram) return;
15290 switch (gameMode) {
15291 case MachinePlaysWhite:
15292 if (WhiteOnMove(forwardMostMove)) {
15293 DisplayError(_("Wait until your turn"), 0);
15297 case BeginningOfGame:
15298 case MachinePlaysBlack:
15299 if (!WhiteOnMove(forwardMostMove)) {
15300 DisplayError(_("Wait until your turn"), 0);
15305 EditPositionDone(TRUE);
15307 case TwoMachinesPlay:
15312 SendToProgram("bk\n", &first);
15313 bookOutput[0] = NULLCHAR;
15314 bookRequested = TRUE;
15320 char *tags = PGNTags(&gameInfo);
15321 TagsPopUp(tags, CmailMsg());
15325 /* end button procedures */
15328 PrintPosition (FILE *fp, int move)
15332 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15333 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15334 char c = PieceToChar(boards[move][i][j]);
15335 fputc(c == 'x' ? '.' : c, fp);
15336 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15339 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15340 fprintf(fp, "white to play\n");
15342 fprintf(fp, "black to play\n");
15346 PrintOpponents (FILE *fp)
15348 if (gameInfo.white != NULL) {
15349 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15355 /* Find last component of program's own name, using some heuristics */
15357 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15360 int local = (strcmp(host, "localhost") == 0);
15361 while (!local && (p = strchr(prog, ';')) != NULL) {
15363 while (*p == ' ') p++;
15366 if (*prog == '"' || *prog == '\'') {
15367 q = strchr(prog + 1, *prog);
15369 q = strchr(prog, ' ');
15371 if (q == NULL) q = prog + strlen(prog);
15373 while (p >= prog && *p != '/' && *p != '\\') p--;
15375 if(p == prog && *p == '"') p++;
15377 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15378 memcpy(buf, p, q - p);
15379 buf[q - p] = NULLCHAR;
15387 TimeControlTagValue ()
15390 if (!appData.clockMode) {
15391 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15392 } else if (movesPerSession > 0) {
15393 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15394 } else if (timeIncrement == 0) {
15395 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15397 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15399 return StrSave(buf);
15405 /* This routine is used only for certain modes */
15406 VariantClass v = gameInfo.variant;
15407 ChessMove r = GameUnfinished;
15410 if(keepInfo) return;
15412 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15413 r = gameInfo.result;
15414 p = gameInfo.resultDetails;
15415 gameInfo.resultDetails = NULL;
15417 ClearGameInfo(&gameInfo);
15418 gameInfo.variant = v;
15420 switch (gameMode) {
15421 case MachinePlaysWhite:
15422 gameInfo.event = StrSave( appData.pgnEventHeader );
15423 gameInfo.site = StrSave(HostName());
15424 gameInfo.date = PGNDate();
15425 gameInfo.round = StrSave("-");
15426 gameInfo.white = StrSave(first.tidy);
15427 gameInfo.black = StrSave(UserName());
15428 gameInfo.timeControl = TimeControlTagValue();
15431 case MachinePlaysBlack:
15432 gameInfo.event = StrSave( appData.pgnEventHeader );
15433 gameInfo.site = StrSave(HostName());
15434 gameInfo.date = PGNDate();
15435 gameInfo.round = StrSave("-");
15436 gameInfo.white = StrSave(UserName());
15437 gameInfo.black = StrSave(first.tidy);
15438 gameInfo.timeControl = TimeControlTagValue();
15441 case TwoMachinesPlay:
15442 gameInfo.event = StrSave( appData.pgnEventHeader );
15443 gameInfo.site = StrSave(HostName());
15444 gameInfo.date = PGNDate();
15447 snprintf(buf, MSG_SIZ, "%d", roundNr);
15448 gameInfo.round = StrSave(buf);
15450 gameInfo.round = StrSave("-");
15452 if (first.twoMachinesColor[0] == 'w') {
15453 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15454 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15456 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15457 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15459 gameInfo.timeControl = TimeControlTagValue();
15463 gameInfo.event = StrSave("Edited game");
15464 gameInfo.site = StrSave(HostName());
15465 gameInfo.date = PGNDate();
15466 gameInfo.round = StrSave("-");
15467 gameInfo.white = StrSave("-");
15468 gameInfo.black = StrSave("-");
15469 gameInfo.result = r;
15470 gameInfo.resultDetails = p;
15474 gameInfo.event = StrSave("Edited position");
15475 gameInfo.site = StrSave(HostName());
15476 gameInfo.date = PGNDate();
15477 gameInfo.round = StrSave("-");
15478 gameInfo.white = StrSave("-");
15479 gameInfo.black = StrSave("-");
15482 case IcsPlayingWhite:
15483 case IcsPlayingBlack:
15488 case PlayFromGameFile:
15489 gameInfo.event = StrSave("Game from non-PGN file");
15490 gameInfo.site = StrSave(HostName());
15491 gameInfo.date = PGNDate();
15492 gameInfo.round = StrSave("-");
15493 gameInfo.white = StrSave("?");
15494 gameInfo.black = StrSave("?");
15503 ReplaceComment (int index, char *text)
15509 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15510 pvInfoList[index-1].depth == len &&
15511 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15512 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15513 while (*text == '\n') text++;
15514 len = strlen(text);
15515 while (len > 0 && text[len - 1] == '\n') len--;
15517 if (commentList[index] != NULL)
15518 free(commentList[index]);
15521 commentList[index] = NULL;
15524 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15525 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15526 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15527 commentList[index] = (char *) malloc(len + 2);
15528 strncpy(commentList[index], text, len);
15529 commentList[index][len] = '\n';
15530 commentList[index][len + 1] = NULLCHAR;
15532 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15534 commentList[index] = (char *) malloc(len + 7);
15535 safeStrCpy(commentList[index], "{\n", 3);
15536 safeStrCpy(commentList[index]+2, text, len+1);
15537 commentList[index][len+2] = NULLCHAR;
15538 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15539 strcat(commentList[index], "\n}\n");
15544 CrushCRs (char *text)
15552 if (ch == '\r') continue;
15554 } while (ch != '\0');
15558 AppendComment (int index, char *text, Boolean addBraces)
15559 /* addBraces tells if we should add {} */
15564 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
15565 if(addBraces == 3) addBraces = 0; else // force appending literally
15566 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15569 while (*text == '\n') text++;
15570 len = strlen(text);
15571 while (len > 0 && text[len - 1] == '\n') len--;
15572 text[len] = NULLCHAR;
15574 if (len == 0) return;
15576 if (commentList[index] != NULL) {
15577 Boolean addClosingBrace = addBraces;
15578 old = commentList[index];
15579 oldlen = strlen(old);
15580 while(commentList[index][oldlen-1] == '\n')
15581 commentList[index][--oldlen] = NULLCHAR;
15582 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15583 safeStrCpy(commentList[index], old, oldlen + len + 6);
15585 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15586 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15587 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15588 while (*text == '\n') { text++; len--; }
15589 commentList[index][--oldlen] = NULLCHAR;
15591 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15592 else strcat(commentList[index], "\n");
15593 strcat(commentList[index], text);
15594 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15595 else strcat(commentList[index], "\n");
15597 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15599 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15600 else commentList[index][0] = NULLCHAR;
15601 strcat(commentList[index], text);
15602 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15603 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15608 FindStr (char * text, char * sub_text)
15610 char * result = strstr( text, sub_text );
15612 if( result != NULL ) {
15613 result += strlen( sub_text );
15619 /* [AS] Try to extract PV info from PGN comment */
15620 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15622 GetInfoFromComment (int index, char * text)
15624 char * sep = text, *p;
15626 if( text != NULL && index > 0 ) {
15629 int time = -1, sec = 0, deci;
15630 char * s_eval = FindStr( text, "[%eval " );
15631 char * s_emt = FindStr( text, "[%emt " );
15633 if( s_eval != NULL || s_emt != NULL ) {
15635 if(0) { // [HGM] this code is not finished, and could actually be detrimental
15640 if( s_eval != NULL ) {
15641 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15645 if( delim != ']' ) {
15650 if( s_emt != NULL ) {
15655 /* We expect something like: [+|-]nnn.nn/dd */
15658 if(*text != '{') return text; // [HGM] braces: must be normal comment
15660 sep = strchr( text, '/' );
15661 if( sep == NULL || sep < (text+4) ) {
15666 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
15667 if(p[1] == '(') { // comment starts with PV
15668 p = strchr(p, ')'); // locate end of PV
15669 if(p == NULL || sep < p+5) return text;
15670 // at this point we have something like "{(.*) +0.23/6 ..."
15671 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15672 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15673 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15675 time = -1; sec = -1; deci = -1;
15676 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15677 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15678 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15679 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15683 if( score_lo < 0 || score_lo >= 100 ) {
15687 if(sec >= 0) time = 600*time + 10*sec; else
15688 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15690 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
15692 /* [HGM] PV time: now locate end of PV info */
15693 while( *++sep >= '0' && *sep <= '9'); // strip depth
15695 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15697 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15699 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15700 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15711 pvInfoList[index-1].depth = depth;
15712 pvInfoList[index-1].score = score;
15713 pvInfoList[index-1].time = 10*time; // centi-sec
15714 if(*sep == '}') *sep = 0; else *--sep = '{';
15715 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15721 SendToProgram (char *message, ChessProgramState *cps)
15723 int count, outCount, error;
15726 if (cps->pr == NoProc) return;
15729 if (appData.debugMode) {
15732 fprintf(debugFP, "%ld >%-6s: %s",
15733 SubtractTimeMarks(&now, &programStartTime),
15734 cps->which, message);
15736 fprintf(serverFP, "%ld >%-6s: %s",
15737 SubtractTimeMarks(&now, &programStartTime),
15738 cps->which, message), fflush(serverFP);
15741 count = strlen(message);
15742 outCount = OutputToProcess(cps->pr, message, count, &error);
15743 if (outCount < count && !exiting
15744 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15745 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15746 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15747 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15748 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15749 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15750 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15751 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15753 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15754 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15755 gameInfo.result = res;
15757 gameInfo.resultDetails = StrSave(buf);
15759 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15760 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15765 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15769 ChessProgramState *cps = (ChessProgramState *)closure;
15771 if (isr != cps->isr) return; /* Killed intentionally */
15774 RemoveInputSource(cps->isr);
15775 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15776 _(cps->which), cps->program);
15777 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15778 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15779 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15780 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15781 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15782 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15784 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15785 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15786 gameInfo.result = res;
15788 gameInfo.resultDetails = StrSave(buf);
15790 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15791 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15793 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15794 _(cps->which), cps->program);
15795 RemoveInputSource(cps->isr);
15797 /* [AS] Program is misbehaving badly... kill it */
15798 if( count == -2 ) {
15799 DestroyChildProcess( cps->pr, 9 );
15803 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15808 if ((end_str = strchr(message, '\r')) != NULL)
15809 *end_str = NULLCHAR;
15810 if ((end_str = strchr(message, '\n')) != NULL)
15811 *end_str = NULLCHAR;
15813 if (appData.debugMode) {
15814 TimeMark now; int print = 1;
15815 char *quote = ""; char c; int i;
15817 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15818 char start = message[0];
15819 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15820 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15821 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15822 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15823 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15824 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15825 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15826 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15827 sscanf(message, "hint: %c", &c)!=1 &&
15828 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15829 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15830 print = (appData.engineComments >= 2);
15832 message[0] = start; // restore original message
15836 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15837 SubtractTimeMarks(&now, &programStartTime), cps->which,
15841 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15842 SubtractTimeMarks(&now, &programStartTime), cps->which,
15844 message), fflush(serverFP);
15848 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15849 if (appData.icsEngineAnalyze) {
15850 if (strstr(message, "whisper") != NULL ||
15851 strstr(message, "kibitz") != NULL ||
15852 strstr(message, "tellics") != NULL) return;
15855 HandleMachineMove(message, cps);
15860 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15865 if( timeControl_2 > 0 ) {
15866 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15867 tc = timeControl_2;
15870 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15871 inc /= cps->timeOdds;
15872 st /= cps->timeOdds;
15874 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15877 /* Set exact time per move, normally using st command */
15878 if (cps->stKludge) {
15879 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15881 if (seconds == 0) {
15882 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15884 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15887 snprintf(buf, MSG_SIZ, "st %d\n", st);
15890 /* Set conventional or incremental time control, using level command */
15891 if (seconds == 0) {
15892 /* Note old gnuchess bug -- minutes:seconds used to not work.
15893 Fixed in later versions, but still avoid :seconds
15894 when seconds is 0. */
15895 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15897 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15898 seconds, inc/1000.);
15901 SendToProgram(buf, cps);
15903 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15904 /* Orthogonally, limit search to given depth */
15906 if (cps->sdKludge) {
15907 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15909 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15911 SendToProgram(buf, cps);
15914 if(cps->nps >= 0) { /* [HGM] nps */
15915 if(cps->supportsNPS == FALSE)
15916 cps->nps = -1; // don't use if engine explicitly says not supported!
15918 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15919 SendToProgram(buf, cps);
15924 ChessProgramState *
15926 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15928 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15929 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15935 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15937 char message[MSG_SIZ];
15940 /* Note: this routine must be called when the clocks are stopped
15941 or when they have *just* been set or switched; otherwise
15942 it will be off by the time since the current tick started.
15944 if (machineWhite) {
15945 time = whiteTimeRemaining / 10;
15946 otime = blackTimeRemaining / 10;
15948 time = blackTimeRemaining / 10;
15949 otime = whiteTimeRemaining / 10;
15951 /* [HGM] translate opponent's time by time-odds factor */
15952 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15954 if (time <= 0) time = 1;
15955 if (otime <= 0) otime = 1;
15957 snprintf(message, MSG_SIZ, "time %ld\n", time);
15958 SendToProgram(message, cps);
15960 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15961 SendToProgram(message, cps);
15965 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15968 int len = strlen(name);
15971 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15973 sscanf(*p, "%d", &val);
15975 while (**p && **p != ' ')
15977 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15978 SendToProgram(buf, cps);
15985 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15988 int len = strlen(name);
15989 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15991 sscanf(*p, "%d", loc);
15992 while (**p && **p != ' ') (*p)++;
15993 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15994 SendToProgram(buf, cps);
16001 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16004 int len = strlen(name);
16005 if (strncmp((*p), name, len) == 0
16006 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16008 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16009 sscanf(*p, "%[^\"]", *loc);
16010 while (**p && **p != '\"') (*p)++;
16011 if (**p == '\"') (*p)++;
16012 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16013 SendToProgram(buf, cps);
16020 ParseOption (Option *opt, ChessProgramState *cps)
16021 // [HGM] options: process the string that defines an engine option, and determine
16022 // name, type, default value, and allowed value range
16024 char *p, *q, buf[MSG_SIZ];
16025 int n, min = (-1)<<31, max = 1<<31, def;
16027 if(p = strstr(opt->name, " -spin ")) {
16028 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16029 if(max < min) max = min; // enforce consistency
16030 if(def < min) def = min;
16031 if(def > max) def = max;
16036 } else if((p = strstr(opt->name, " -slider "))) {
16037 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16038 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16039 if(max < min) max = min; // enforce consistency
16040 if(def < min) def = min;
16041 if(def > max) def = max;
16045 opt->type = Spin; // Slider;
16046 } else if((p = strstr(opt->name, " -string "))) {
16047 opt->textValue = p+9;
16048 opt->type = TextBox;
16049 } else if((p = strstr(opt->name, " -file "))) {
16050 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16051 opt->textValue = p+7;
16052 opt->type = FileName; // FileName;
16053 } else if((p = strstr(opt->name, " -path "))) {
16054 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16055 opt->textValue = p+7;
16056 opt->type = PathName; // PathName;
16057 } else if(p = strstr(opt->name, " -check ")) {
16058 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16059 opt->value = (def != 0);
16060 opt->type = CheckBox;
16061 } else if(p = strstr(opt->name, " -combo ")) {
16062 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16063 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16064 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16065 opt->value = n = 0;
16066 while(q = StrStr(q, " /// ")) {
16067 n++; *q = 0; // count choices, and null-terminate each of them
16069 if(*q == '*') { // remember default, which is marked with * prefix
16073 cps->comboList[cps->comboCnt++] = q;
16075 cps->comboList[cps->comboCnt++] = NULL;
16077 opt->type = ComboBox;
16078 } else if(p = strstr(opt->name, " -button")) {
16079 opt->type = Button;
16080 } else if(p = strstr(opt->name, " -save")) {
16081 opt->type = SaveButton;
16082 } else return FALSE;
16083 *p = 0; // terminate option name
16084 // now look if the command-line options define a setting for this engine option.
16085 if(cps->optionSettings && cps->optionSettings[0])
16086 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16087 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16088 snprintf(buf, MSG_SIZ, "option %s", p);
16089 if(p = strstr(buf, ",")) *p = 0;
16090 if(q = strchr(buf, '=')) switch(opt->type) {
16092 for(n=0; n<opt->max; n++)
16093 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16096 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16100 opt->value = atoi(q+1);
16105 SendToProgram(buf, cps);
16111 FeatureDone (ChessProgramState *cps, int val)
16113 DelayedEventCallback cb = GetDelayedEvent();
16114 if ((cb == InitBackEnd3 && cps == &first) ||
16115 (cb == SettingsMenuIfReady && cps == &second) ||
16116 (cb == LoadEngine) ||
16117 (cb == TwoMachinesEventIfReady)) {
16118 CancelDelayedEvent();
16119 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16121 cps->initDone = val;
16122 if(val) cps->reload = FALSE;
16125 /* Parse feature command from engine */
16127 ParseFeatures (char *args, ChessProgramState *cps)
16135 while (*p == ' ') p++;
16136 if (*p == NULLCHAR) return;
16138 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16139 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16140 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16141 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16142 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16143 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16144 if (BoolFeature(&p, "reuse", &val, cps)) {
16145 /* Engine can disable reuse, but can't enable it if user said no */
16146 if (!val) cps->reuse = FALSE;
16149 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16150 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16151 if (gameMode == TwoMachinesPlay) {
16152 DisplayTwoMachinesTitle();
16158 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16159 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16160 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16161 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16162 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16163 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16164 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16165 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16166 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16167 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16168 if (IntFeature(&p, "done", &val, cps)) {
16169 FeatureDone(cps, val);
16172 /* Added by Tord: */
16173 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16174 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16175 /* End of additions by Tord */
16177 /* [HGM] added features: */
16178 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16179 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16180 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16181 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16182 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16183 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16184 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16185 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16186 FREE(cps->option[cps->nrOptions].name);
16187 cps->option[cps->nrOptions].name = q; q = NULL;
16188 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16189 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16190 SendToProgram(buf, cps);
16193 if(cps->nrOptions >= MAX_OPTIONS) {
16195 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16196 DisplayError(buf, 0);
16200 /* End of additions by HGM */
16202 /* unknown feature: complain and skip */
16204 while (*q && *q != '=') q++;
16205 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16206 SendToProgram(buf, cps);
16212 while (*p && *p != '\"') p++;
16213 if (*p == '\"') p++;
16215 while (*p && *p != ' ') p++;
16223 PeriodicUpdatesEvent (int newState)
16225 if (newState == appData.periodicUpdates)
16228 appData.periodicUpdates=newState;
16230 /* Display type changes, so update it now */
16231 // DisplayAnalysis();
16233 /* Get the ball rolling again... */
16235 AnalysisPeriodicEvent(1);
16236 StartAnalysisClock();
16241 PonderNextMoveEvent (int newState)
16243 if (newState == appData.ponderNextMove) return;
16244 if (gameMode == EditPosition) EditPositionDone(TRUE);
16246 SendToProgram("hard\n", &first);
16247 if (gameMode == TwoMachinesPlay) {
16248 SendToProgram("hard\n", &second);
16251 SendToProgram("easy\n", &first);
16252 thinkOutput[0] = NULLCHAR;
16253 if (gameMode == TwoMachinesPlay) {
16254 SendToProgram("easy\n", &second);
16257 appData.ponderNextMove = newState;
16261 NewSettingEvent (int option, int *feature, char *command, int value)
16265 if (gameMode == EditPosition) EditPositionDone(TRUE);
16266 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16267 if(feature == NULL || *feature) SendToProgram(buf, &first);
16268 if (gameMode == TwoMachinesPlay) {
16269 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16274 ShowThinkingEvent ()
16275 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16277 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16278 int newState = appData.showThinking
16279 // [HGM] thinking: other features now need thinking output as well
16280 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16282 if (oldState == newState) return;
16283 oldState = newState;
16284 if (gameMode == EditPosition) EditPositionDone(TRUE);
16286 SendToProgram("post\n", &first);
16287 if (gameMode == TwoMachinesPlay) {
16288 SendToProgram("post\n", &second);
16291 SendToProgram("nopost\n", &first);
16292 thinkOutput[0] = NULLCHAR;
16293 if (gameMode == TwoMachinesPlay) {
16294 SendToProgram("nopost\n", &second);
16297 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16301 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16303 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16304 if (pr == NoProc) return;
16305 AskQuestion(title, question, replyPrefix, pr);
16309 TypeInEvent (char firstChar)
16311 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16312 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16313 gameMode == AnalyzeMode || gameMode == EditGame ||
16314 gameMode == EditPosition || gameMode == IcsExamining ||
16315 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16316 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16317 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16318 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16319 gameMode == Training) PopUpMoveDialog(firstChar);
16323 TypeInDoneEvent (char *move)
16326 int n, fromX, fromY, toX, toY;
16328 ChessMove moveType;
16331 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16332 EditPositionPasteFEN(move);
16335 // [HGM] movenum: allow move number to be typed in any mode
16336 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16340 // undocumented kludge: allow command-line option to be typed in!
16341 // (potentially fatal, and does not implement the effect of the option.)
16342 // should only be used for options that are values on which future decisions will be made,
16343 // and definitely not on options that would be used during initialization.
16344 if(strstr(move, "!!! -") == move) {
16345 ParseArgsFromString(move+4);
16349 if (gameMode != EditGame && currentMove != forwardMostMove &&
16350 gameMode != Training) {
16351 DisplayMoveError(_("Displayed move is not current"));
16353 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16354 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16355 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16356 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16357 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16358 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16360 DisplayMoveError(_("Could not parse move"));
16366 DisplayMove (int moveNumber)
16368 char message[MSG_SIZ];
16370 char cpThinkOutput[MSG_SIZ];
16372 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16374 if (moveNumber == forwardMostMove - 1 ||
16375 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16377 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16379 if (strchr(cpThinkOutput, '\n')) {
16380 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16383 *cpThinkOutput = NULLCHAR;
16386 /* [AS] Hide thinking from human user */
16387 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16388 *cpThinkOutput = NULLCHAR;
16389 if( thinkOutput[0] != NULLCHAR ) {
16392 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16393 cpThinkOutput[i] = '.';
16395 cpThinkOutput[i] = NULLCHAR;
16396 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16400 if (moveNumber == forwardMostMove - 1 &&
16401 gameInfo.resultDetails != NULL) {
16402 if (gameInfo.resultDetails[0] == NULLCHAR) {
16403 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16405 snprintf(res, MSG_SIZ, " {%s} %s",
16406 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16412 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16413 DisplayMessage(res, cpThinkOutput);
16415 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16416 WhiteOnMove(moveNumber) ? " " : ".. ",
16417 parseList[moveNumber], res);
16418 DisplayMessage(message, cpThinkOutput);
16423 DisplayComment (int moveNumber, char *text)
16425 char title[MSG_SIZ];
16427 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16428 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16430 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16431 WhiteOnMove(moveNumber) ? " " : ".. ",
16432 parseList[moveNumber]);
16434 if (text != NULL && (appData.autoDisplayComment || commentUp))
16435 CommentPopUp(title, text);
16438 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16439 * might be busy thinking or pondering. It can be omitted if your
16440 * gnuchess is configured to stop thinking immediately on any user
16441 * input. However, that gnuchess feature depends on the FIONREAD
16442 * ioctl, which does not work properly on some flavors of Unix.
16445 Attention (ChessProgramState *cps)
16448 if (!cps->useSigint) return;
16449 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16450 switch (gameMode) {
16451 case MachinePlaysWhite:
16452 case MachinePlaysBlack:
16453 case TwoMachinesPlay:
16454 case IcsPlayingWhite:
16455 case IcsPlayingBlack:
16458 /* Skip if we know it isn't thinking */
16459 if (!cps->maybeThinking) return;
16460 if (appData.debugMode)
16461 fprintf(debugFP, "Interrupting %s\n", cps->which);
16462 InterruptChildProcess(cps->pr);
16463 cps->maybeThinking = FALSE;
16468 #endif /*ATTENTION*/
16474 if (whiteTimeRemaining <= 0) {
16477 if (appData.icsActive) {
16478 if (appData.autoCallFlag &&
16479 gameMode == IcsPlayingBlack && !blackFlag) {
16480 SendToICS(ics_prefix);
16481 SendToICS("flag\n");
16485 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16487 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16488 if (appData.autoCallFlag) {
16489 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16496 if (blackTimeRemaining <= 0) {
16499 if (appData.icsActive) {
16500 if (appData.autoCallFlag &&
16501 gameMode == IcsPlayingWhite && !whiteFlag) {
16502 SendToICS(ics_prefix);
16503 SendToICS("flag\n");
16507 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16509 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16510 if (appData.autoCallFlag) {
16511 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16522 CheckTimeControl ()
16524 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16525 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16528 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16530 if ( !WhiteOnMove(forwardMostMove) ) {
16531 /* White made time control */
16532 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16533 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16534 /* [HGM] time odds: correct new time quota for time odds! */
16535 / WhitePlayer()->timeOdds;
16536 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16538 lastBlack -= blackTimeRemaining;
16539 /* Black made time control */
16540 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16541 / WhitePlayer()->other->timeOdds;
16542 lastWhite = whiteTimeRemaining;
16547 DisplayBothClocks ()
16549 int wom = gameMode == EditPosition ?
16550 !blackPlaysFirst : WhiteOnMove(currentMove);
16551 DisplayWhiteClock(whiteTimeRemaining, wom);
16552 DisplayBlackClock(blackTimeRemaining, !wom);
16556 /* Timekeeping seems to be a portability nightmare. I think everyone
16557 has ftime(), but I'm really not sure, so I'm including some ifdefs
16558 to use other calls if you don't. Clocks will be less accurate if
16559 you have neither ftime nor gettimeofday.
16562 /* VS 2008 requires the #include outside of the function */
16563 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16564 #include <sys/timeb.h>
16567 /* Get the current time as a TimeMark */
16569 GetTimeMark (TimeMark *tm)
16571 #if HAVE_GETTIMEOFDAY
16573 struct timeval timeVal;
16574 struct timezone timeZone;
16576 gettimeofday(&timeVal, &timeZone);
16577 tm->sec = (long) timeVal.tv_sec;
16578 tm->ms = (int) (timeVal.tv_usec / 1000L);
16580 #else /*!HAVE_GETTIMEOFDAY*/
16583 // include <sys/timeb.h> / moved to just above start of function
16584 struct timeb timeB;
16587 tm->sec = (long) timeB.time;
16588 tm->ms = (int) timeB.millitm;
16590 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16591 tm->sec = (long) time(NULL);
16597 /* Return the difference in milliseconds between two
16598 time marks. We assume the difference will fit in a long!
16601 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16603 return 1000L*(tm2->sec - tm1->sec) +
16604 (long) (tm2->ms - tm1->ms);
16609 * Code to manage the game clocks.
16611 * In tournament play, black starts the clock and then white makes a move.
16612 * We give the human user a slight advantage if he is playing white---the
16613 * clocks don't run until he makes his first move, so it takes zero time.
16614 * Also, we don't account for network lag, so we could get out of sync
16615 * with GNU Chess's clock -- but then, referees are always right.
16618 static TimeMark tickStartTM;
16619 static long intendedTickLength;
16622 NextTickLength (long timeRemaining)
16624 long nominalTickLength, nextTickLength;
16626 if (timeRemaining > 0L && timeRemaining <= 10000L)
16627 nominalTickLength = 100L;
16629 nominalTickLength = 1000L;
16630 nextTickLength = timeRemaining % nominalTickLength;
16631 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16633 return nextTickLength;
16636 /* Adjust clock one minute up or down */
16638 AdjustClock (Boolean which, int dir)
16640 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16641 if(which) blackTimeRemaining += 60000*dir;
16642 else whiteTimeRemaining += 60000*dir;
16643 DisplayBothClocks();
16644 adjustedClock = TRUE;
16647 /* Stop clocks and reset to a fresh time control */
16651 (void) StopClockTimer();
16652 if (appData.icsActive) {
16653 whiteTimeRemaining = blackTimeRemaining = 0;
16654 } else if (searchTime) {
16655 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16656 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16657 } else { /* [HGM] correct new time quote for time odds */
16658 whiteTC = blackTC = fullTimeControlString;
16659 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16660 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16662 if (whiteFlag || blackFlag) {
16664 whiteFlag = blackFlag = FALSE;
16666 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16667 DisplayBothClocks();
16668 adjustedClock = FALSE;
16671 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16673 /* Decrement running clock by amount of time that has passed */
16677 long timeRemaining;
16678 long lastTickLength, fudge;
16681 if (!appData.clockMode) return;
16682 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16686 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16688 /* Fudge if we woke up a little too soon */
16689 fudge = intendedTickLength - lastTickLength;
16690 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16692 if (WhiteOnMove(forwardMostMove)) {
16693 if(whiteNPS >= 0) lastTickLength = 0;
16694 timeRemaining = whiteTimeRemaining -= lastTickLength;
16695 if(timeRemaining < 0 && !appData.icsActive) {
16696 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16697 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16698 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16699 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16702 DisplayWhiteClock(whiteTimeRemaining - fudge,
16703 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16705 if(blackNPS >= 0) lastTickLength = 0;
16706 timeRemaining = blackTimeRemaining -= lastTickLength;
16707 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16708 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16710 blackStartMove = forwardMostMove;
16711 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16714 DisplayBlackClock(blackTimeRemaining - fudge,
16715 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16717 if (CheckFlags()) return;
16719 if(twoBoards) { // count down secondary board's clocks as well
16720 activePartnerTime -= lastTickLength;
16722 if(activePartner == 'W')
16723 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16725 DisplayBlackClock(activePartnerTime, TRUE);
16730 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16731 StartClockTimer(intendedTickLength);
16733 /* if the time remaining has fallen below the alarm threshold, sound the
16734 * alarm. if the alarm has sounded and (due to a takeback or time control
16735 * with increment) the time remaining has increased to a level above the
16736 * threshold, reset the alarm so it can sound again.
16739 if (appData.icsActive && appData.icsAlarm) {
16741 /* make sure we are dealing with the user's clock */
16742 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16743 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16746 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16747 alarmSounded = FALSE;
16748 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16750 alarmSounded = TRUE;
16756 /* A player has just moved, so stop the previously running
16757 clock and (if in clock mode) start the other one.
16758 We redisplay both clocks in case we're in ICS mode, because
16759 ICS gives us an update to both clocks after every move.
16760 Note that this routine is called *after* forwardMostMove
16761 is updated, so the last fractional tick must be subtracted
16762 from the color that is *not* on move now.
16765 SwitchClocks (int newMoveNr)
16767 long lastTickLength;
16769 int flagged = FALSE;
16773 if (StopClockTimer() && appData.clockMode) {
16774 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16775 if (!WhiteOnMove(forwardMostMove)) {
16776 if(blackNPS >= 0) lastTickLength = 0;
16777 blackTimeRemaining -= lastTickLength;
16778 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16779 // if(pvInfoList[forwardMostMove].time == -1)
16780 pvInfoList[forwardMostMove].time = // use GUI time
16781 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16783 if(whiteNPS >= 0) lastTickLength = 0;
16784 whiteTimeRemaining -= lastTickLength;
16785 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16786 // if(pvInfoList[forwardMostMove].time == -1)
16787 pvInfoList[forwardMostMove].time =
16788 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16790 flagged = CheckFlags();
16792 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16793 CheckTimeControl();
16795 if (flagged || !appData.clockMode) return;
16797 switch (gameMode) {
16798 case MachinePlaysBlack:
16799 case MachinePlaysWhite:
16800 case BeginningOfGame:
16801 if (pausing) return;
16805 case PlayFromGameFile:
16813 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16814 if(WhiteOnMove(forwardMostMove))
16815 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16816 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16820 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16821 whiteTimeRemaining : blackTimeRemaining);
16822 StartClockTimer(intendedTickLength);
16826 /* Stop both clocks */
16830 long lastTickLength;
16833 if (!StopClockTimer()) return;
16834 if (!appData.clockMode) return;
16838 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16839 if (WhiteOnMove(forwardMostMove)) {
16840 if(whiteNPS >= 0) lastTickLength = 0;
16841 whiteTimeRemaining -= lastTickLength;
16842 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16844 if(blackNPS >= 0) lastTickLength = 0;
16845 blackTimeRemaining -= lastTickLength;
16846 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16851 /* Start clock of player on move. Time may have been reset, so
16852 if clock is already running, stop and restart it. */
16856 (void) StopClockTimer(); /* in case it was running already */
16857 DisplayBothClocks();
16858 if (CheckFlags()) return;
16860 if (!appData.clockMode) return;
16861 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16863 GetTimeMark(&tickStartTM);
16864 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16865 whiteTimeRemaining : blackTimeRemaining);
16867 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16868 whiteNPS = blackNPS = -1;
16869 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16870 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16871 whiteNPS = first.nps;
16872 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16873 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16874 blackNPS = first.nps;
16875 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16876 whiteNPS = second.nps;
16877 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16878 blackNPS = second.nps;
16879 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16881 StartClockTimer(intendedTickLength);
16885 TimeString (long ms)
16887 long second, minute, hour, day;
16889 static char buf[32];
16891 if (ms > 0 && ms <= 9900) {
16892 /* convert milliseconds to tenths, rounding up */
16893 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16895 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16899 /* convert milliseconds to seconds, rounding up */
16900 /* use floating point to avoid strangeness of integer division
16901 with negative dividends on many machines */
16902 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16909 day = second / (60 * 60 * 24);
16910 second = second % (60 * 60 * 24);
16911 hour = second / (60 * 60);
16912 second = second % (60 * 60);
16913 minute = second / 60;
16914 second = second % 60;
16917 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16918 sign, day, hour, minute, second);
16920 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16922 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16929 * This is necessary because some C libraries aren't ANSI C compliant yet.
16932 StrStr (char *string, char *match)
16936 length = strlen(match);
16938 for (i = strlen(string) - length; i >= 0; i--, string++)
16939 if (!strncmp(match, string, length))
16946 StrCaseStr (char *string, char *match)
16950 length = strlen(match);
16952 for (i = strlen(string) - length; i >= 0; i--, string++) {
16953 for (j = 0; j < length; j++) {
16954 if (ToLower(match[j]) != ToLower(string[j]))
16957 if (j == length) return string;
16965 StrCaseCmp (char *s1, char *s2)
16970 c1 = ToLower(*s1++);
16971 c2 = ToLower(*s2++);
16972 if (c1 > c2) return 1;
16973 if (c1 < c2) return -1;
16974 if (c1 == NULLCHAR) return 0;
16982 return isupper(c) ? tolower(c) : c;
16989 return islower(c) ? toupper(c) : c;
16991 #endif /* !_amigados */
16998 if ((ret = (char *) malloc(strlen(s) + 1)))
17000 safeStrCpy(ret, s, strlen(s)+1);
17006 StrSavePtr (char *s, char **savePtr)
17011 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17012 safeStrCpy(*savePtr, s, strlen(s)+1);
17024 clock = time((time_t *)NULL);
17025 tm = localtime(&clock);
17026 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17027 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17028 return StrSave(buf);
17033 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17035 int i, j, fromX, fromY, toX, toY;
17042 whiteToPlay = (gameMode == EditPosition) ?
17043 !blackPlaysFirst : (move % 2 == 0);
17046 /* Piece placement data */
17047 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17048 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17050 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17051 if (boards[move][i][j] == EmptySquare) {
17053 } else { ChessSquare piece = boards[move][i][j];
17054 if (emptycount > 0) {
17055 if(emptycount<10) /* [HGM] can be >= 10 */
17056 *p++ = '0' + emptycount;
17057 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17060 if(PieceToChar(piece) == '+') {
17061 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17063 piece = (ChessSquare)(DEMOTED piece);
17065 *p++ = PieceToChar(piece);
17067 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17068 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
17073 if (emptycount > 0) {
17074 if(emptycount<10) /* [HGM] can be >= 10 */
17075 *p++ = '0' + emptycount;
17076 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17083 /* [HGM] print Crazyhouse or Shogi holdings */
17084 if( gameInfo.holdingsWidth ) {
17085 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17087 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17088 piece = boards[move][i][BOARD_WIDTH-1];
17089 if( piece != EmptySquare )
17090 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17091 *p++ = PieceToChar(piece);
17093 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17094 piece = boards[move][BOARD_HEIGHT-i-1][0];
17095 if( piece != EmptySquare )
17096 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17097 *p++ = PieceToChar(piece);
17100 if( q == p ) *p++ = '-';
17106 *p++ = whiteToPlay ? 'w' : 'b';
17109 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17110 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17112 if(nrCastlingRights) {
17114 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
17115 /* [HGM] write directly from rights */
17116 if(boards[move][CASTLING][2] != NoRights &&
17117 boards[move][CASTLING][0] != NoRights )
17118 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17119 if(boards[move][CASTLING][2] != NoRights &&
17120 boards[move][CASTLING][1] != NoRights )
17121 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17122 if(boards[move][CASTLING][5] != NoRights &&
17123 boards[move][CASTLING][3] != NoRights )
17124 *p++ = boards[move][CASTLING][3] + AAA;
17125 if(boards[move][CASTLING][5] != NoRights &&
17126 boards[move][CASTLING][4] != NoRights )
17127 *p++ = boards[move][CASTLING][4] + AAA;
17130 /* [HGM] write true castling rights */
17131 if( nrCastlingRights == 6 ) {
17133 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17134 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17135 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17136 boards[move][CASTLING][2] != NoRights );
17137 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17138 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17139 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17140 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17141 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17145 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17146 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17147 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17148 boards[move][CASTLING][5] != NoRights );
17149 if(gameInfo.variant == VariantSChess) {
17150 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17151 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17152 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17153 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17158 if (q == p) *p++ = '-'; /* No castling rights */
17162 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17163 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17164 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17165 /* En passant target square */
17166 if (move > backwardMostMove) {
17167 fromX = moveList[move - 1][0] - AAA;
17168 fromY = moveList[move - 1][1] - ONE;
17169 toX = moveList[move - 1][2] - AAA;
17170 toY = moveList[move - 1][3] - ONE;
17171 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17172 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17173 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17175 /* 2-square pawn move just happened */
17177 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17181 } else if(move == backwardMostMove) {
17182 // [HGM] perhaps we should always do it like this, and forget the above?
17183 if((signed char)boards[move][EP_STATUS] >= 0) {
17184 *p++ = boards[move][EP_STATUS] + AAA;
17185 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17197 { int i = 0, j=move;
17199 /* [HGM] find reversible plies */
17200 if (appData.debugMode) { int k;
17201 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17202 for(k=backwardMostMove; k<=forwardMostMove; k++)
17203 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17207 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17208 if( j == backwardMostMove ) i += initialRulePlies;
17209 sprintf(p, "%d ", i);
17210 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17212 /* Fullmove number */
17213 sprintf(p, "%d", (move / 2) + 1);
17214 } else *--p = NULLCHAR;
17216 return StrSave(buf);
17220 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
17224 int emptycount, virgin[BOARD_FILES];
17229 /* [HGM] by default clear Crazyhouse holdings, if present */
17230 if(gameInfo.holdingsWidth) {
17231 for(i=0; i<BOARD_HEIGHT; i++) {
17232 board[i][0] = EmptySquare; /* black holdings */
17233 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17234 board[i][1] = (ChessSquare) 0; /* black counts */
17235 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17239 /* Piece placement data */
17240 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17243 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
17244 if (*p == '/') p++;
17245 emptycount = gameInfo.boardWidth - j;
17246 while (emptycount--)
17247 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17249 #if(BOARD_FILES >= 10)
17250 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17251 p++; emptycount=10;
17252 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17253 while (emptycount--)
17254 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17256 } else if (isdigit(*p)) {
17257 emptycount = *p++ - '0';
17258 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17259 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17260 while (emptycount--)
17261 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17262 } else if (*p == '+' || isalpha(*p)) {
17263 if (j >= gameInfo.boardWidth) return FALSE;
17265 piece = CharToPiece(*++p);
17266 if(piece == EmptySquare) return FALSE; /* unknown piece */
17267 piece = (ChessSquare) (PROMOTED piece ); p++;
17268 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17269 } else piece = CharToPiece(*p++);
17271 if(piece==EmptySquare) return FALSE; /* unknown piece */
17272 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17273 piece = (ChessSquare) (PROMOTED piece);
17274 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17277 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17283 while (*p == '/' || *p == ' ') p++;
17285 /* [HGM] look for Crazyhouse holdings here */
17286 while(*p==' ') p++;
17287 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17289 if(*p == '-' ) p++; /* empty holdings */ else {
17290 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17291 /* if we would allow FEN reading to set board size, we would */
17292 /* have to add holdings and shift the board read so far here */
17293 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17295 if((int) piece >= (int) BlackPawn ) {
17296 i = (int)piece - (int)BlackPawn;
17297 i = PieceToNumber((ChessSquare)i);
17298 if( i >= gameInfo.holdingsSize ) return FALSE;
17299 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17300 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17302 i = (int)piece - (int)WhitePawn;
17303 i = PieceToNumber((ChessSquare)i);
17304 if( i >= gameInfo.holdingsSize ) return FALSE;
17305 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17306 board[i][BOARD_WIDTH-2]++; /* black holdings */
17313 while(*p == ' ') p++;
17317 if(appData.colorNickNames) {
17318 if( c == appData.colorNickNames[0] ) c = 'w'; else
17319 if( c == appData.colorNickNames[1] ) c = 'b';
17323 *blackPlaysFirst = FALSE;
17326 *blackPlaysFirst = TRUE;
17332 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17333 /* return the extra info in global variiables */
17335 /* set defaults in case FEN is incomplete */
17336 board[EP_STATUS] = EP_UNKNOWN;
17337 for(i=0; i<nrCastlingRights; i++ ) {
17338 board[CASTLING][i] =
17339 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17340 } /* assume possible unless obviously impossible */
17341 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17342 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17343 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17344 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17345 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17346 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17347 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17348 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17351 while(*p==' ') p++;
17352 if(nrCastlingRights) {
17353 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17354 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17355 /* castling indicator present, so default becomes no castlings */
17356 for(i=0; i<nrCastlingRights; i++ ) {
17357 board[CASTLING][i] = NoRights;
17360 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17361 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17362 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17363 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17364 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17366 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17367 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17368 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17370 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17371 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17372 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17373 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17374 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17375 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17378 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17379 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17380 board[CASTLING][2] = whiteKingFile;
17381 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17382 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17385 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17386 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17387 board[CASTLING][2] = whiteKingFile;
17388 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17389 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17392 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17393 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17394 board[CASTLING][5] = blackKingFile;
17395 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17396 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17399 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17400 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17401 board[CASTLING][5] = blackKingFile;
17402 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17403 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17406 default: /* FRC castlings */
17407 if(c >= 'a') { /* black rights */
17408 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17409 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17410 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17411 if(i == BOARD_RGHT) break;
17412 board[CASTLING][5] = i;
17414 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17415 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17417 board[CASTLING][3] = c;
17419 board[CASTLING][4] = c;
17420 } else { /* white rights */
17421 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17422 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17423 if(board[0][i] == WhiteKing) break;
17424 if(i == BOARD_RGHT) break;
17425 board[CASTLING][2] = i;
17426 c -= AAA - 'a' + 'A';
17427 if(board[0][c] >= WhiteKing) break;
17429 board[CASTLING][0] = c;
17431 board[CASTLING][1] = c;
17435 for(i=0; i<nrCastlingRights; i++)
17436 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17437 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17438 if (appData.debugMode) {
17439 fprintf(debugFP, "FEN castling rights:");
17440 for(i=0; i<nrCastlingRights; i++)
17441 fprintf(debugFP, " %d", board[CASTLING][i]);
17442 fprintf(debugFP, "\n");
17445 while(*p==' ') p++;
17448 /* read e.p. field in games that know e.p. capture */
17449 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17450 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17451 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17453 p++; board[EP_STATUS] = EP_NONE;
17455 char c = *p++ - AAA;
17457 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17458 if(*p >= '0' && *p <='9') p++;
17459 board[EP_STATUS] = c;
17464 if(sscanf(p, "%d", &i) == 1) {
17465 FENrulePlies = i; /* 50-move ply counter */
17466 /* (The move number is still ignored) */
17473 EditPositionPasteFEN (char *fen)
17476 Board initial_position;
17478 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17479 DisplayError(_("Bad FEN position in clipboard"), 0);
17482 int savedBlackPlaysFirst = blackPlaysFirst;
17483 EditPositionEvent();
17484 blackPlaysFirst = savedBlackPlaysFirst;
17485 CopyBoard(boards[0], initial_position);
17486 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17487 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17488 DisplayBothClocks();
17489 DrawPosition(FALSE, boards[currentMove]);
17494 static char cseq[12] = "\\ ";
17497 set_cont_sequence (char *new_seq)
17502 // handle bad attempts to set the sequence
17504 return 0; // acceptable error - no debug
17506 len = strlen(new_seq);
17507 ret = (len > 0) && (len < sizeof(cseq));
17509 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17510 else if (appData.debugMode)
17511 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17516 reformat a source message so words don't cross the width boundary. internal
17517 newlines are not removed. returns the wrapped size (no null character unless
17518 included in source message). If dest is NULL, only calculate the size required
17519 for the dest buffer. lp argument indicats line position upon entry, and it's
17520 passed back upon exit.
17523 wrap (char *dest, char *src, int count, int width, int *lp)
17525 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17527 cseq_len = strlen(cseq);
17528 old_line = line = *lp;
17529 ansi = len = clen = 0;
17531 for (i=0; i < count; i++)
17533 if (src[i] == '\033')
17536 // if we hit the width, back up
17537 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17539 // store i & len in case the word is too long
17540 old_i = i, old_len = len;
17542 // find the end of the last word
17543 while (i && src[i] != ' ' && src[i] != '\n')
17549 // word too long? restore i & len before splitting it
17550 if ((old_i-i+clen) >= width)
17557 if (i && src[i-1] == ' ')
17560 if (src[i] != ' ' && src[i] != '\n')
17567 // now append the newline and continuation sequence
17572 strncpy(dest+len, cseq, cseq_len);
17580 dest[len] = src[i];
17584 if (src[i] == '\n')
17589 if (dest && appData.debugMode)
17591 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17592 count, width, line, len, *lp);
17593 show_bytes(debugFP, src, count);
17594 fprintf(debugFP, "\ndest: ");
17595 show_bytes(debugFP, dest, len);
17596 fprintf(debugFP, "\n");
17598 *lp = dest ? line : old_line;
17603 // [HGM] vari: routines for shelving variations
17604 Boolean modeRestore = FALSE;
17607 PushInner (int firstMove, int lastMove)
17609 int i, j, nrMoves = lastMove - firstMove;
17611 // push current tail of game on stack
17612 savedResult[storedGames] = gameInfo.result;
17613 savedDetails[storedGames] = gameInfo.resultDetails;
17614 gameInfo.resultDetails = NULL;
17615 savedFirst[storedGames] = firstMove;
17616 savedLast [storedGames] = lastMove;
17617 savedFramePtr[storedGames] = framePtr;
17618 framePtr -= nrMoves; // reserve space for the boards
17619 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17620 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17621 for(j=0; j<MOVE_LEN; j++)
17622 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17623 for(j=0; j<2*MOVE_LEN; j++)
17624 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17625 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17626 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17627 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17628 pvInfoList[firstMove+i-1].depth = 0;
17629 commentList[framePtr+i] = commentList[firstMove+i];
17630 commentList[firstMove+i] = NULL;
17634 forwardMostMove = firstMove; // truncate game so we can start variation
17638 PushTail (int firstMove, int lastMove)
17640 if(appData.icsActive) { // only in local mode
17641 forwardMostMove = currentMove; // mimic old ICS behavior
17644 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17646 PushInner(firstMove, lastMove);
17647 if(storedGames == 1) GreyRevert(FALSE);
17648 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17652 PopInner (Boolean annotate)
17655 char buf[8000], moveBuf[20];
17657 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17658 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17659 nrMoves = savedLast[storedGames] - currentMove;
17662 if(!WhiteOnMove(currentMove))
17663 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17664 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17665 for(i=currentMove; i<forwardMostMove; i++) {
17667 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17668 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17669 strcat(buf, moveBuf);
17670 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17671 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17675 for(i=1; i<=nrMoves; i++) { // copy last variation back
17676 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17677 for(j=0; j<MOVE_LEN; j++)
17678 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17679 for(j=0; j<2*MOVE_LEN; j++)
17680 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17681 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17682 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17683 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17684 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17685 commentList[currentMove+i] = commentList[framePtr+i];
17686 commentList[framePtr+i] = NULL;
17688 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17689 framePtr = savedFramePtr[storedGames];
17690 gameInfo.result = savedResult[storedGames];
17691 if(gameInfo.resultDetails != NULL) {
17692 free(gameInfo.resultDetails);
17694 gameInfo.resultDetails = savedDetails[storedGames];
17695 forwardMostMove = currentMove + nrMoves;
17699 PopTail (Boolean annotate)
17701 if(appData.icsActive) return FALSE; // only in local mode
17702 if(!storedGames) return FALSE; // sanity
17703 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17705 PopInner(annotate);
17706 if(currentMove < forwardMostMove) ForwardEvent(); else
17707 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17709 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17715 { // remove all shelved variations
17717 for(i=0; i<storedGames; i++) {
17718 if(savedDetails[i])
17719 free(savedDetails[i]);
17720 savedDetails[i] = NULL;
17722 for(i=framePtr; i<MAX_MOVES; i++) {
17723 if(commentList[i]) free(commentList[i]);
17724 commentList[i] = NULL;
17726 framePtr = MAX_MOVES-1;
17731 LoadVariation (int index, char *text)
17732 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17733 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17734 int level = 0, move;
17736 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17737 // first find outermost bracketing variation
17738 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17739 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17740 if(*p == '{') wait = '}'; else
17741 if(*p == '[') wait = ']'; else
17742 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17743 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17745 if(*p == wait) wait = NULLCHAR; // closing ]} found
17748 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17749 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17750 end[1] = NULLCHAR; // clip off comment beyond variation
17751 ToNrEvent(currentMove-1);
17752 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17753 // kludge: use ParsePV() to append variation to game
17754 move = currentMove;
17755 ParsePV(start, TRUE, TRUE);
17756 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17757 ClearPremoveHighlights();
17759 ToNrEvent(currentMove+1);
17765 char *p, *q, buf[MSG_SIZ];
17766 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
17767 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
17768 ParseArgsFromString(buf);
17769 ActivateTheme(TRUE); // also redo colors
17773 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
17776 q = appData.themeNames;
17777 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
17778 if(appData.useBitmaps) {
17779 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
17780 appData.liteBackTextureFile, appData.darkBackTextureFile,
17781 appData.liteBackTextureMode,
17782 appData.darkBackTextureMode );
17784 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
17785 Col2Text(2), // lightSquareColor
17786 Col2Text(3) ); // darkSquareColor
17788 if(appData.useBorder) {
17789 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
17792 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
17794 if(appData.useFont) {
17795 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
17796 appData.renderPiecesWithFont,
17797 appData.fontToPieceTable,
17798 Col2Text(9), // appData.fontBackColorWhite
17799 Col2Text(10) ); // appData.fontForeColorBlack
17801 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
17802 appData.pieceDirectory);
17803 if(!appData.pieceDirectory[0])
17804 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
17805 Col2Text(0), // whitePieceColor
17806 Col2Text(1) ); // blackPieceColor
17808 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
17809 Col2Text(4), // highlightSquareColor
17810 Col2Text(5) ); // premoveHighlightColor
17811 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
17812 if(insert != q) insert[-1] = NULLCHAR;
17813 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
17816 ActivateTheme(FALSE);