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 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 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
62 #define DoSleep( n ) if( (n) >= 0) sleep(n)
72 #include <sys/types.h>
81 #else /* not STDC_HEADERS */
84 # else /* not HAVE_STRING_H */
86 # endif /* not HAVE_STRING_H */
87 #endif /* not STDC_HEADERS */
90 # include <sys/fcntl.h>
91 #else /* not HAVE_SYS_FCNTL_H */
94 # endif /* HAVE_FCNTL_H */
95 #endif /* not HAVE_SYS_FCNTL_H */
97 #if TIME_WITH_SYS_TIME
98 # include <sys/time.h>
102 # include <sys/time.h>
108 #if defined(_amigados) && !defined(__GNUC__)
113 extern int gettimeofday(struct timeval *, struct timezone *);
121 #include "frontend.h"
128 #include "backendz.h"
132 # define _(s) gettext (s)
133 # define N_(s) gettext_noop (s)
134 # define T_(s) gettext(s)
147 /* A point in time */
149 long sec; /* Assuming this is >= 32 bits */
150 int ms; /* Assuming this is >= 16 bits */
153 int establish P((void));
154 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
157 char *buf, int count, int error));
158 void ics_printf P((char *format, ...));
159 void SendToICS P((char *s));
160 void SendToICSDelayed P((char *s, long msdelay));
161 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
162 void HandleMachineMove P((char *message, ChessProgramState *cps));
163 int AutoPlayOneMove P((void));
164 int LoadGameOneMove P((ChessMove readAhead));
165 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
166 int LoadPositionFromFile P((char *filename, int n, char *title));
167 int SavePositionToFile P((char *filename));
168 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
170 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
171 void ShowMove P((int fromX, int fromY, int toX, int toY));
172 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
173 /*char*/int promoChar));
174 void BackwardInner P((int target));
175 void ForwardInner P((int target));
176 int Adjudicate P((ChessProgramState *cps));
177 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
178 void EditPositionDone P((Boolean fakeRights));
179 void PrintOpponents P((FILE *fp));
180 void PrintPosition P((FILE *fp, int move));
181 void StartChessProgram P((ChessProgramState *cps));
182 void SendToProgram P((char *message, ChessProgramState *cps));
183 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
184 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
185 char *buf, int count, int error));
186 void SendTimeControl P((ChessProgramState *cps,
187 int mps, long tc, int inc, int sd, int st));
188 char *TimeControlTagValue P((void));
189 void Attention P((ChessProgramState *cps));
190 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
191 void ResurrectChessProgram P((void));
192 void DisplayComment P((int moveNumber, char *text));
193 void DisplayMove P((int moveNumber));
195 void ParseGameHistory P((char *game));
196 void ParseBoard12 P((char *string));
197 void KeepAlive P((void));
198 void StartClocks P((void));
199 void SwitchClocks P((int nr));
200 void StopClocks P((void));
201 void ResetClocks P((void));
202 char *PGNDate P((void));
203 void SetGameInfo P((void));
204 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
205 int RegisterMove P((void));
206 void MakeRegisteredMove P((void));
207 void TruncateGame P((void));
208 int looking_at P((char *, int *, char *));
209 void CopyPlayerNameIntoFileName P((char **, char *));
210 char *SavePart P((char *));
211 int SaveGameOldStyle P((FILE *));
212 int SaveGamePGN P((FILE *));
213 void GetTimeMark P((TimeMark *));
214 long SubtractTimeMarks P((TimeMark *, TimeMark *));
215 int CheckFlags P((void));
216 long NextTickLength P((long));
217 void CheckTimeControl P((void));
218 void show_bytes P((FILE *, char *, int));
219 int string_to_rating P((char *str));
220 void ParseFeatures P((char* args, ChessProgramState *cps));
221 void InitBackEnd3 P((void));
222 void FeatureDone P((ChessProgramState* cps, int val));
223 void InitChessProgram P((ChessProgramState *cps, int setup));
224 void OutputKibitz(int window, char *text);
225 int PerpetualChase(int first, int last);
226 int EngineOutputIsUp();
227 void InitDrawingSizes(int x, int y);
230 extern void ConsoleCreate();
233 ChessProgramState *WhitePlayer();
234 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
235 int VerifyDisplayMode P(());
237 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
238 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
239 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
240 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
241 void ics_update_width P((int new_width));
242 extern char installDir[MSG_SIZ];
243 VariantClass startVariant; /* [HGM] nicks: initial variant */
245 extern int tinyLayout, smallLayout;
246 ChessProgramStats programStats;
247 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
249 static int exiting = 0; /* [HGM] moved to top */
250 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
251 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
252 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
253 int partnerHighlight[2];
254 Boolean partnerBoardValid = 0;
255 char partnerStatus[MSG_SIZ];
257 Boolean originalFlip;
258 Boolean twoBoards = 0;
259 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
260 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
261 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
262 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
263 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
264 int opponentKibitzes;
265 int lastSavedGame; /* [HGM] save: ID of game */
266 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
267 extern int chatCount;
269 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
271 /* States for ics_getting_history */
273 #define H_REQUESTED 1
274 #define H_GOT_REQ_HEADER 2
275 #define H_GOT_UNREQ_HEADER 3
276 #define H_GETTING_MOVES 4
277 #define H_GOT_UNWANTED_HEADER 5
279 /* whosays values for GameEnds */
288 /* Maximum number of games in a cmail message */
289 #define CMAIL_MAX_GAMES 20
291 /* Different types of move when calling RegisterMove */
293 #define CMAIL_RESIGN 1
295 #define CMAIL_ACCEPT 3
297 /* Different types of result to remember for each game */
298 #define CMAIL_NOT_RESULT 0
299 #define CMAIL_OLD_RESULT 1
300 #define CMAIL_NEW_RESULT 2
302 /* Telnet protocol constants */
313 safeStrCpy( char *dst, const char *src, size_t count )
316 assert( dst != NULL );
317 assert( src != NULL );
320 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
321 if( i == count && dst[count-1] != NULLCHAR)
323 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
324 if(appData.debugMode)
325 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst,count);
331 /* Some compiler can't cast u64 to double
332 * This function do the job for us:
334 * We use the highest bit for cast, this only
335 * works if the highest bit is not
336 * in use (This should not happen)
338 * We used this for all compiler
341 u64ToDouble(u64 value)
344 u64 tmp = value & u64Const(0x7fffffffffffffff);
345 r = (double)(s64)tmp;
346 if (value & u64Const(0x8000000000000000))
347 r += 9.2233720368547758080e18; /* 2^63 */
351 /* Fake up flags for now, as we aren't keeping track of castling
352 availability yet. [HGM] Change of logic: the flag now only
353 indicates the type of castlings allowed by the rule of the game.
354 The actual rights themselves are maintained in the array
355 castlingRights, as part of the game history, and are not probed
361 int flags = F_ALL_CASTLE_OK;
362 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
363 switch (gameInfo.variant) {
365 flags &= ~F_ALL_CASTLE_OK;
366 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
367 flags |= F_IGNORE_CHECK;
369 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
372 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
374 case VariantKriegspiel:
375 flags |= F_KRIEGSPIEL_CAPTURE;
377 case VariantCapaRandom:
378 case VariantFischeRandom:
379 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
380 case VariantNoCastle:
381 case VariantShatranj:
384 flags &= ~F_ALL_CASTLE_OK;
392 FILE *gameFileFP, *debugFP;
395 [AS] Note: sometimes, the sscanf() function is used to parse the input
396 into a fixed-size buffer. Because of this, we must be prepared to
397 receive strings as long as the size of the input buffer, which is currently
398 set to 4K for Windows and 8K for the rest.
399 So, we must either allocate sufficiently large buffers here, or
400 reduce the size of the input buffer in the input reading part.
403 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
404 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
405 char thinkOutput1[MSG_SIZ*10];
407 ChessProgramState first, second;
409 /* premove variables */
412 int premoveFromX = 0;
413 int premoveFromY = 0;
414 int premovePromoChar = 0;
416 Boolean alarmSounded;
417 /* end premove variables */
419 char *ics_prefix = "$";
420 int ics_type = ICS_GENERIC;
422 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
423 int pauseExamForwardMostMove = 0;
424 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
425 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
426 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
427 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
428 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
429 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
430 int whiteFlag = FALSE, blackFlag = FALSE;
431 int userOfferedDraw = FALSE;
432 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
433 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
434 int cmailMoveType[CMAIL_MAX_GAMES];
435 long ics_clock_paused = 0;
436 ProcRef icsPR = NoProc, cmailPR = NoProc;
437 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
438 GameMode gameMode = BeginningOfGame;
439 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
440 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
441 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
442 int hiddenThinkOutputState = 0; /* [AS] */
443 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
444 int adjudicateLossPlies = 6;
445 char white_holding[64], black_holding[64];
446 TimeMark lastNodeCountTime;
447 long lastNodeCount=0;
448 int shiftKey; // [HGM] set by mouse handler
450 int have_sent_ICS_logon = 0;
452 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
453 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
454 long timeControl_2; /* [AS] Allow separate time controls */
455 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
456 long timeRemaining[2][MAX_MOVES];
458 TimeMark programStartTime;
459 char ics_handle[MSG_SIZ];
460 int have_set_title = 0;
462 /* animateTraining preserves the state of appData.animate
463 * when Training mode is activated. This allows the
464 * response to be animated when appData.animate == TRUE and
465 * appData.animateDragging == TRUE.
467 Boolean animateTraining;
473 Board boards[MAX_MOVES];
474 /* [HGM] Following 7 needed for accurate legality tests: */
475 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
476 signed char initialRights[BOARD_FILES];
477 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
478 int initialRulePlies, FENrulePlies;
479 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
482 int mute; // mute all sounds
484 // [HGM] vari: next 12 to save and restore variations
485 #define MAX_VARIATIONS 10
486 int framePtr = MAX_MOVES-1; // points to free stack entry
488 int savedFirst[MAX_VARIATIONS];
489 int savedLast[MAX_VARIATIONS];
490 int savedFramePtr[MAX_VARIATIONS];
491 char *savedDetails[MAX_VARIATIONS];
492 ChessMove savedResult[MAX_VARIATIONS];
494 void PushTail P((int firstMove, int lastMove));
495 Boolean PopTail P((Boolean annotate));
496 void CleanupTail P((void));
498 ChessSquare FIDEArray[2][BOARD_FILES] = {
499 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
500 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
501 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
502 BlackKing, BlackBishop, BlackKnight, BlackRook }
505 ChessSquare twoKingsArray[2][BOARD_FILES] = {
506 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
507 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
508 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
509 BlackKing, BlackKing, BlackKnight, BlackRook }
512 ChessSquare KnightmateArray[2][BOARD_FILES] = {
513 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
514 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
515 { BlackRook, BlackMan, BlackBishop, BlackQueen,
516 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
519 ChessSquare SpartanArray[2][BOARD_FILES] = {
520 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
521 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
522 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
523 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
526 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
527 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
528 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
529 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
530 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
533 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
534 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
535 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
536 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
537 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
540 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
541 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
542 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
543 { BlackRook, BlackKnight, BlackMan, BlackFerz,
544 BlackKing, BlackMan, BlackKnight, BlackRook }
548 #if (BOARD_FILES>=10)
549 ChessSquare ShogiArray[2][BOARD_FILES] = {
550 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
551 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
552 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
553 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
556 ChessSquare XiangqiArray[2][BOARD_FILES] = {
557 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
558 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
559 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
560 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
563 ChessSquare CapablancaArray[2][BOARD_FILES] = {
564 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
565 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
566 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
567 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
570 ChessSquare GreatArray[2][BOARD_FILES] = {
571 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
572 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
573 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
574 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
577 ChessSquare JanusArray[2][BOARD_FILES] = {
578 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
579 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
580 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
581 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
585 ChessSquare GothicArray[2][BOARD_FILES] = {
586 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
587 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
588 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
589 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
592 #define GothicArray CapablancaArray
596 ChessSquare FalconArray[2][BOARD_FILES] = {
597 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
598 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
599 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
600 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
603 #define FalconArray CapablancaArray
606 #else // !(BOARD_FILES>=10)
607 #define XiangqiPosition FIDEArray
608 #define CapablancaArray FIDEArray
609 #define GothicArray FIDEArray
610 #define GreatArray FIDEArray
611 #endif // !(BOARD_FILES>=10)
613 #if (BOARD_FILES>=12)
614 ChessSquare CourierArray[2][BOARD_FILES] = {
615 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
616 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
617 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
618 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
620 #else // !(BOARD_FILES>=12)
621 #define CourierArray CapablancaArray
622 #endif // !(BOARD_FILES>=12)
625 Board initialPosition;
628 /* Convert str to a rating. Checks for special cases of "----",
630 "++++", etc. Also strips ()'s */
632 string_to_rating(str)
635 while(*str && !isdigit(*str)) ++str;
637 return 0; /* One of the special "no rating" cases */
645 /* Init programStats */
646 programStats.movelist[0] = 0;
647 programStats.depth = 0;
648 programStats.nr_moves = 0;
649 programStats.moves_left = 0;
650 programStats.nodes = 0;
651 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
652 programStats.score = 0;
653 programStats.got_only_move = 0;
654 programStats.got_fail = 0;
655 programStats.line_is_book = 0;
661 int matched, min, sec;
663 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
664 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
666 GetTimeMark(&programStartTime);
667 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
670 programStats.ok_to_send = 1;
671 programStats.seen_stat = 0;
674 * Initialize game list
680 * Internet chess server status
682 if (appData.icsActive) {
683 appData.matchMode = FALSE;
684 appData.matchGames = 0;
686 appData.noChessProgram = !appData.zippyPlay;
688 appData.zippyPlay = FALSE;
689 appData.zippyTalk = FALSE;
690 appData.noChessProgram = TRUE;
692 if (*appData.icsHelper != NULLCHAR) {
693 appData.useTelnet = TRUE;
694 appData.telnetProgram = appData.icsHelper;
697 appData.zippyTalk = appData.zippyPlay = FALSE;
700 /* [AS] Initialize pv info list [HGM] and game state */
704 for( i=0; i<=framePtr; i++ ) {
705 pvInfoList[i].depth = -1;
706 boards[i][EP_STATUS] = EP_NONE;
707 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
712 * Parse timeControl resource
714 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
715 appData.movesPerSession)) {
717 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
718 DisplayFatalError(buf, 0, 2);
722 * Parse searchTime resource
724 if (*appData.searchTime != NULLCHAR) {
725 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
727 searchTime = min * 60;
728 } else if (matched == 2) {
729 searchTime = min * 60 + sec;
732 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
733 DisplayFatalError(buf, 0, 2);
737 /* [AS] Adjudication threshold */
738 adjudicateLossThreshold = appData.adjudicateLossThreshold;
740 first.which = _("first");
741 second.which = _("second");
742 first.maybeThinking = second.maybeThinking = FALSE;
743 first.pr = second.pr = NoProc;
744 first.isr = second.isr = NULL;
745 first.sendTime = second.sendTime = 2;
746 first.sendDrawOffers = 1;
747 if (appData.firstPlaysBlack) {
748 first.twoMachinesColor = "black\n";
749 second.twoMachinesColor = "white\n";
751 first.twoMachinesColor = "white\n";
752 second.twoMachinesColor = "black\n";
754 first.program = appData.firstChessProgram;
755 second.program = appData.secondChessProgram;
756 first.host = appData.firstHost;
757 second.host = appData.secondHost;
758 first.dir = appData.firstDirectory;
759 second.dir = appData.secondDirectory;
760 first.other = &second;
761 second.other = &first;
762 first.initString = appData.initString;
763 second.initString = appData.secondInitString;
764 first.computerString = appData.firstComputerString;
765 second.computerString = appData.secondComputerString;
766 first.useSigint = second.useSigint = TRUE;
767 first.useSigterm = second.useSigterm = TRUE;
768 first.reuse = appData.reuseFirst;
769 second.reuse = appData.reuseSecond;
770 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
771 second.nps = appData.secondNPS;
772 first.useSetboard = second.useSetboard = FALSE;
773 first.useSAN = second.useSAN = FALSE;
774 first.usePing = second.usePing = FALSE;
775 first.lastPing = second.lastPing = 0;
776 first.lastPong = second.lastPong = 0;
777 first.usePlayother = second.usePlayother = FALSE;
778 first.useColors = second.useColors = TRUE;
779 first.useUsermove = second.useUsermove = FALSE;
780 first.sendICS = second.sendICS = FALSE;
781 first.sendName = second.sendName = appData.icsActive;
782 first.sdKludge = second.sdKludge = FALSE;
783 first.stKludge = second.stKludge = FALSE;
784 TidyProgramName(first.program, first.host, first.tidy);
785 TidyProgramName(second.program, second.host, second.tidy);
786 first.matchWins = second.matchWins = 0;
787 safeStrCpy(first.variants, appData.variant, sizeof(first.variants)/sizeof(first.variants[0]));
788 safeStrCpy(second.variants, appData.variant,sizeof(second.variants)/sizeof(second.variants[0]));
789 first.analysisSupport = second.analysisSupport = 2; /* detect */
790 first.analyzing = second.analyzing = FALSE;
791 first.initDone = second.initDone = FALSE;
793 /* New features added by Tord: */
794 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
795 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
796 /* End of new features added by Tord. */
797 first.fenOverride = appData.fenOverride1;
798 second.fenOverride = appData.fenOverride2;
800 /* [HGM] time odds: set factor for each machine */
801 first.timeOdds = appData.firstTimeOdds;
802 second.timeOdds = appData.secondTimeOdds;
804 if(appData.timeOddsMode) {
805 norm = first.timeOdds;
806 if(norm > second.timeOdds) norm = second.timeOdds;
808 first.timeOdds /= norm;
809 second.timeOdds /= norm;
812 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
813 first.accumulateTC = appData.firstAccumulateTC;
814 second.accumulateTC = appData.secondAccumulateTC;
815 first.maxNrOfSessions = second.maxNrOfSessions = 1;
818 first.debug = second.debug = FALSE;
819 first.supportsNPS = second.supportsNPS = UNKNOWN;
822 first.optionSettings = appData.firstOptions;
823 second.optionSettings = appData.secondOptions;
825 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
826 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
827 first.isUCI = appData.firstIsUCI; /* [AS] */
828 second.isUCI = appData.secondIsUCI; /* [AS] */
829 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
830 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
832 if (appData.firstProtocolVersion > PROTOVER
833 || appData.firstProtocolVersion < 1)
838 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
839 appData.firstProtocolVersion);
840 if( (len > MSG_SIZ) && appData.debugMode )
841 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
843 DisplayFatalError(buf, 0, 2);
847 first.protocolVersion = appData.firstProtocolVersion;
850 if (appData.secondProtocolVersion > PROTOVER
851 || appData.secondProtocolVersion < 1)
856 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
857 appData.secondProtocolVersion);
858 if( (len > MSG_SIZ) && appData.debugMode )
859 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
861 DisplayFatalError(buf, 0, 2);
865 second.protocolVersion = appData.secondProtocolVersion;
868 if (appData.icsActive) {
869 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
870 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
871 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
872 appData.clockMode = FALSE;
873 first.sendTime = second.sendTime = 0;
877 /* Override some settings from environment variables, for backward
878 compatibility. Unfortunately it's not feasible to have the env
879 vars just set defaults, at least in xboard. Ugh.
881 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
886 if (appData.noChessProgram) {
887 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
888 sprintf(programVersion, "%s", PACKAGE_STRING);
890 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
891 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
892 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
895 if (!appData.icsActive) {
899 /* Check for variants that are supported only in ICS mode,
900 or not at all. Some that are accepted here nevertheless
901 have bugs; see comments below.
903 VariantClass variant = StringToVariant(appData.variant);
905 case VariantBughouse: /* need four players and two boards */
906 case VariantKriegspiel: /* need to hide pieces and move details */
907 /* case VariantFischeRandom: (Fabien: moved below) */
908 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
909 if( (len > MSG_SIZ) && appData.debugMode )
910 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
912 DisplayFatalError(buf, 0, 2);
916 case VariantLoadable:
926 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
927 if( (len > MSG_SIZ) && appData.debugMode )
928 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
930 DisplayFatalError(buf, 0, 2);
933 case VariantXiangqi: /* [HGM] repetition rules not implemented */
934 case VariantFairy: /* [HGM] TestLegality definitely off! */
935 case VariantGothic: /* [HGM] should work */
936 case VariantCapablanca: /* [HGM] should work */
937 case VariantCourier: /* [HGM] initial forced moves not implemented */
938 case VariantShogi: /* [HGM] could still mate with pawn drop */
939 case VariantKnightmate: /* [HGM] should work */
940 case VariantCylinder: /* [HGM] untested */
941 case VariantFalcon: /* [HGM] untested */
942 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
943 offboard interposition not understood */
944 case VariantNormal: /* definitely works! */
945 case VariantWildCastle: /* pieces not automatically shuffled */
946 case VariantNoCastle: /* pieces not automatically shuffled */
947 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
948 case VariantLosers: /* should work except for win condition,
949 and doesn't know captures are mandatory */
950 case VariantSuicide: /* should work except for win condition,
951 and doesn't know captures are mandatory */
952 case VariantGiveaway: /* should work except for win condition,
953 and doesn't know captures are mandatory */
954 case VariantTwoKings: /* should work */
955 case VariantAtomic: /* should work except for win condition */
956 case Variant3Check: /* should work except for win condition */
957 case VariantShatranj: /* should work except for all win conditions */
958 case VariantMakruk: /* should work except for daw countdown */
959 case VariantBerolina: /* might work if TestLegality is off */
960 case VariantCapaRandom: /* should work */
961 case VariantJanus: /* should work */
962 case VariantSuper: /* experimental */
963 case VariantGreat: /* experimental, requires legality testing to be off */
964 case VariantSChess: /* S-Chess, should work */
965 case VariantSpartan: /* should work */
970 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
971 InitEngineUCI( installDir, &second );
974 int NextIntegerFromString( char ** str, long * value )
979 while( *s == ' ' || *s == '\t' ) {
985 if( *s >= '0' && *s <= '9' ) {
986 while( *s >= '0' && *s <= '9' ) {
987 *value = *value * 10 + (*s - '0');
999 int NextTimeControlFromString( char ** str, long * value )
1002 int result = NextIntegerFromString( str, &temp );
1005 *value = temp * 60; /* Minutes */
1006 if( **str == ':' ) {
1008 result = NextIntegerFromString( str, &temp );
1009 *value += temp; /* Seconds */
1016 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1017 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1018 int result = -1, type = 0; long temp, temp2;
1020 if(**str != ':') return -1; // old params remain in force!
1022 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1023 if( NextIntegerFromString( str, &temp ) ) return -1;
1024 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1027 /* time only: incremental or sudden-death time control */
1028 if(**str == '+') { /* increment follows; read it */
1030 if(**str == '!') type = *(*str)++; // Bronstein TC
1031 if(result = NextIntegerFromString( str, &temp2)) return -1;
1032 *inc = temp2 * 1000;
1033 if(**str == '.') { // read fraction of increment
1034 char *start = ++(*str);
1035 if(result = NextIntegerFromString( str, &temp2)) return -1;
1037 while(start++ < *str) temp2 /= 10;
1041 *moves = 0; *tc = temp * 1000; *incType = type;
1045 (*str)++; /* classical time control */
1046 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1057 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1058 { /* [HGM] get time to add from the multi-session time-control string */
1059 int incType, moves=1; /* kludge to force reading of first session */
1060 long time, increment;
1063 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1064 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1066 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1067 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1068 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1069 if(movenr == -1) return time; /* last move before new session */
1070 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1071 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1072 if(!moves) return increment; /* current session is incremental */
1073 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1074 } while(movenr >= -1); /* try again for next session */
1076 return 0; // no new time quota on this move
1080 ParseTimeControl(tc, ti, mps)
1087 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1090 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1091 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1092 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1096 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1098 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1101 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1103 snprintf(buf, MSG_SIZ, ":%s", mytc);
1105 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1107 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1112 /* Parse second time control */
1115 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1123 timeControl_2 = tc2 * 1000;
1133 timeControl = tc1 * 1000;
1136 timeIncrement = ti * 1000; /* convert to ms */
1137 movesPerSession = 0;
1140 movesPerSession = mps;
1148 if (appData.debugMode) {
1149 fprintf(debugFP, "%s\n", programVersion);
1152 set_cont_sequence(appData.wrapContSeq);
1153 if (appData.matchGames > 0) {
1154 appData.matchMode = TRUE;
1155 } else if (appData.matchMode) {
1156 appData.matchGames = 1;
1158 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1159 appData.matchGames = appData.sameColorGames;
1160 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1161 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1162 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1165 if (appData.noChessProgram || first.protocolVersion == 1) {
1168 /* kludge: allow timeout for initial "feature" commands */
1170 DisplayMessage("", _("Starting chess program"));
1171 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1176 InitBackEnd3 P((void))
1178 GameMode initialMode;
1182 InitChessProgram(&first, startedFromSetupPosition);
1184 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1185 free(programVersion);
1186 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1187 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1190 if (appData.icsActive) {
1192 /* [DM] Make a console window if needed [HGM] merged ifs */
1198 if (*appData.icsCommPort != NULLCHAR)
1199 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1200 appData.icsCommPort);
1202 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1203 appData.icsHost, appData.icsPort);
1205 if( (len > MSG_SIZ) && appData.debugMode )
1206 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1208 DisplayFatalError(buf, err, 1);
1213 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1215 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1216 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1217 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1218 } else if (appData.noChessProgram) {
1224 if (*appData.cmailGameName != NULLCHAR) {
1226 OpenLoopback(&cmailPR);
1228 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1232 DisplayMessage("", "");
1233 if (StrCaseCmp(appData.initialMode, "") == 0) {
1234 initialMode = BeginningOfGame;
1235 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1236 initialMode = TwoMachinesPlay;
1237 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1238 initialMode = AnalyzeFile;
1239 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1240 initialMode = AnalyzeMode;
1241 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1242 initialMode = MachinePlaysWhite;
1243 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1244 initialMode = MachinePlaysBlack;
1245 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1246 initialMode = EditGame;
1247 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1248 initialMode = EditPosition;
1249 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1250 initialMode = Training;
1252 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1253 if( (len > MSG_SIZ) && appData.debugMode )
1254 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1256 DisplayFatalError(buf, 0, 2);
1260 if (appData.matchMode) {
1261 /* Set up machine vs. machine match */
1262 if (appData.noChessProgram) {
1263 DisplayFatalError(_("Can't have a match with no chess programs"),
1269 if (*appData.loadGameFile != NULLCHAR) {
1270 int index = appData.loadGameIndex; // [HGM] autoinc
1271 if(index<0) lastIndex = index = 1;
1272 if (!LoadGameFromFile(appData.loadGameFile,
1274 appData.loadGameFile, FALSE)) {
1275 DisplayFatalError(_("Bad game file"), 0, 1);
1278 } else if (*appData.loadPositionFile != NULLCHAR) {
1279 int index = appData.loadPositionIndex; // [HGM] autoinc
1280 if(index<0) lastIndex = index = 1;
1281 if (!LoadPositionFromFile(appData.loadPositionFile,
1283 appData.loadPositionFile)) {
1284 DisplayFatalError(_("Bad position file"), 0, 1);
1289 } else if (*appData.cmailGameName != NULLCHAR) {
1290 /* Set up cmail mode */
1291 ReloadCmailMsgEvent(TRUE);
1293 /* Set up other modes */
1294 if (initialMode == AnalyzeFile) {
1295 if (*appData.loadGameFile == NULLCHAR) {
1296 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1300 if (*appData.loadGameFile != NULLCHAR) {
1301 (void) LoadGameFromFile(appData.loadGameFile,
1302 appData.loadGameIndex,
1303 appData.loadGameFile, TRUE);
1304 } else if (*appData.loadPositionFile != NULLCHAR) {
1305 (void) LoadPositionFromFile(appData.loadPositionFile,
1306 appData.loadPositionIndex,
1307 appData.loadPositionFile);
1308 /* [HGM] try to make self-starting even after FEN load */
1309 /* to allow automatic setup of fairy variants with wtm */
1310 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1311 gameMode = BeginningOfGame;
1312 setboardSpoiledMachineBlack = 1;
1314 /* [HGM] loadPos: make that every new game uses the setup */
1315 /* from file as long as we do not switch variant */
1316 if(!blackPlaysFirst) {
1317 startedFromPositionFile = TRUE;
1318 CopyBoard(filePosition, boards[0]);
1321 if (initialMode == AnalyzeMode) {
1322 if (appData.noChessProgram) {
1323 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1326 if (appData.icsActive) {
1327 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1331 } else if (initialMode == AnalyzeFile) {
1332 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1333 ShowThinkingEvent();
1335 AnalysisPeriodicEvent(1);
1336 } else if (initialMode == MachinePlaysWhite) {
1337 if (appData.noChessProgram) {
1338 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1342 if (appData.icsActive) {
1343 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1347 MachineWhiteEvent();
1348 } else if (initialMode == MachinePlaysBlack) {
1349 if (appData.noChessProgram) {
1350 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1354 if (appData.icsActive) {
1355 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1359 MachineBlackEvent();
1360 } else if (initialMode == TwoMachinesPlay) {
1361 if (appData.noChessProgram) {
1362 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1366 if (appData.icsActive) {
1367 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1372 } else if (initialMode == EditGame) {
1374 } else if (initialMode == EditPosition) {
1375 EditPositionEvent();
1376 } else if (initialMode == Training) {
1377 if (*appData.loadGameFile == NULLCHAR) {
1378 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1387 * Establish will establish a contact to a remote host.port.
1388 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1389 * used to talk to the host.
1390 * Returns 0 if okay, error code if not.
1397 if (*appData.icsCommPort != NULLCHAR) {
1398 /* Talk to the host through a serial comm port */
1399 return OpenCommPort(appData.icsCommPort, &icsPR);
1401 } else if (*appData.gateway != NULLCHAR) {
1402 if (*appData.remoteShell == NULLCHAR) {
1403 /* Use the rcmd protocol to run telnet program on a gateway host */
1404 snprintf(buf, sizeof(buf), "%s %s %s",
1405 appData.telnetProgram, appData.icsHost, appData.icsPort);
1406 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1409 /* Use the rsh program to run telnet program on a gateway host */
1410 if (*appData.remoteUser == NULLCHAR) {
1411 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1412 appData.gateway, appData.telnetProgram,
1413 appData.icsHost, appData.icsPort);
1415 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1416 appData.remoteShell, appData.gateway,
1417 appData.remoteUser, appData.telnetProgram,
1418 appData.icsHost, appData.icsPort);
1420 return StartChildProcess(buf, "", &icsPR);
1423 } else if (appData.useTelnet) {
1424 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1427 /* TCP socket interface differs somewhat between
1428 Unix and NT; handle details in the front end.
1430 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1434 void EscapeExpand(char *p, char *q)
1435 { // [HGM] initstring: routine to shape up string arguments
1436 while(*p++ = *q++) if(p[-1] == '\\')
1438 case 'n': p[-1] = '\n'; break;
1439 case 'r': p[-1] = '\r'; break;
1440 case 't': p[-1] = '\t'; break;
1441 case '\\': p[-1] = '\\'; break;
1442 case 0: *p = 0; return;
1443 default: p[-1] = q[-1]; break;
1448 show_bytes(fp, buf, count)
1454 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1455 fprintf(fp, "\\%03o", *buf & 0xff);
1464 /* Returns an errno value */
1466 OutputMaybeTelnet(pr, message, count, outError)
1472 char buf[8192], *p, *q, *buflim;
1473 int left, newcount, outcount;
1475 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1476 *appData.gateway != NULLCHAR) {
1477 if (appData.debugMode) {
1478 fprintf(debugFP, ">ICS: ");
1479 show_bytes(debugFP, message, count);
1480 fprintf(debugFP, "\n");
1482 return OutputToProcess(pr, message, count, outError);
1485 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1492 if (appData.debugMode) {
1493 fprintf(debugFP, ">ICS: ");
1494 show_bytes(debugFP, buf, newcount);
1495 fprintf(debugFP, "\n");
1497 outcount = OutputToProcess(pr, buf, newcount, outError);
1498 if (outcount < newcount) return -1; /* to be sure */
1505 } else if (((unsigned char) *p) == TN_IAC) {
1506 *q++ = (char) TN_IAC;
1513 if (appData.debugMode) {
1514 fprintf(debugFP, ">ICS: ");
1515 show_bytes(debugFP, buf, newcount);
1516 fprintf(debugFP, "\n");
1518 outcount = OutputToProcess(pr, buf, newcount, outError);
1519 if (outcount < newcount) return -1; /* to be sure */
1524 read_from_player(isr, closure, message, count, error)
1531 int outError, outCount;
1532 static int gotEof = 0;
1534 /* Pass data read from player on to ICS */
1537 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1538 if (outCount < count) {
1539 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1541 } else if (count < 0) {
1542 RemoveInputSource(isr);
1543 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1544 } else if (gotEof++ > 0) {
1545 RemoveInputSource(isr);
1546 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1552 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1553 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1554 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1555 SendToICS("date\n");
1556 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1559 /* added routine for printf style output to ics */
1560 void ics_printf(char *format, ...)
1562 char buffer[MSG_SIZ];
1565 va_start(args, format);
1566 vsnprintf(buffer, sizeof(buffer), format, args);
1567 buffer[sizeof(buffer)-1] = '\0';
1576 int count, outCount, outError;
1578 if (icsPR == NULL) return;
1581 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1582 if (outCount < count) {
1583 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1587 /* This is used for sending logon scripts to the ICS. Sending
1588 without a delay causes problems when using timestamp on ICC
1589 (at least on my machine). */
1591 SendToICSDelayed(s,msdelay)
1595 int count, outCount, outError;
1597 if (icsPR == NULL) return;
1600 if (appData.debugMode) {
1601 fprintf(debugFP, ">ICS: ");
1602 show_bytes(debugFP, s, count);
1603 fprintf(debugFP, "\n");
1605 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1607 if (outCount < count) {
1608 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1613 /* Remove all highlighting escape sequences in s
1614 Also deletes any suffix starting with '('
1617 StripHighlightAndTitle(s)
1620 static char retbuf[MSG_SIZ];
1623 while (*s != NULLCHAR) {
1624 while (*s == '\033') {
1625 while (*s != NULLCHAR && !isalpha(*s)) s++;
1626 if (*s != NULLCHAR) s++;
1628 while (*s != NULLCHAR && *s != '\033') {
1629 if (*s == '(' || *s == '[') {
1640 /* Remove all highlighting escape sequences in s */
1645 static char retbuf[MSG_SIZ];
1648 while (*s != NULLCHAR) {
1649 while (*s == '\033') {
1650 while (*s != NULLCHAR && !isalpha(*s)) s++;
1651 if (*s != NULLCHAR) s++;
1653 while (*s != NULLCHAR && *s != '\033') {
1661 char *variantNames[] = VARIANT_NAMES;
1666 return variantNames[v];
1670 /* Identify a variant from the strings the chess servers use or the
1671 PGN Variant tag names we use. */
1678 VariantClass v = VariantNormal;
1679 int i, found = FALSE;
1685 /* [HGM] skip over optional board-size prefixes */
1686 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1687 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1688 while( *e++ != '_');
1691 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1695 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1696 if (StrCaseStr(e, variantNames[i])) {
1697 v = (VariantClass) i;
1704 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1705 || StrCaseStr(e, "wild/fr")
1706 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1707 v = VariantFischeRandom;
1708 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1709 (i = 1, p = StrCaseStr(e, "w"))) {
1711 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1718 case 0: /* FICS only, actually */
1720 /* Castling legal even if K starts on d-file */
1721 v = VariantWildCastle;
1726 /* Castling illegal even if K & R happen to start in
1727 normal positions. */
1728 v = VariantNoCastle;
1741 /* Castling legal iff K & R start in normal positions */
1747 /* Special wilds for position setup; unclear what to do here */
1748 v = VariantLoadable;
1751 /* Bizarre ICC game */
1752 v = VariantTwoKings;
1755 v = VariantKriegspiel;
1761 v = VariantFischeRandom;
1764 v = VariantCrazyhouse;
1767 v = VariantBughouse;
1773 /* Not quite the same as FICS suicide! */
1774 v = VariantGiveaway;
1780 v = VariantShatranj;
1783 /* Temporary names for future ICC types. The name *will* change in
1784 the next xboard/WinBoard release after ICC defines it. */
1822 v = VariantCapablanca;
1825 v = VariantKnightmate;
1831 v = VariantCylinder;
1837 v = VariantCapaRandom;
1840 v = VariantBerolina;
1852 /* Found "wild" or "w" in the string but no number;
1853 must assume it's normal chess. */
1857 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
1858 if( (len > MSG_SIZ) && appData.debugMode )
1859 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
1861 DisplayError(buf, 0);
1867 if (appData.debugMode) {
1868 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1869 e, wnum, VariantName(v));
1874 static int leftover_start = 0, leftover_len = 0;
1875 char star_match[STAR_MATCH_N][MSG_SIZ];
1877 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1878 advance *index beyond it, and set leftover_start to the new value of
1879 *index; else return FALSE. If pattern contains the character '*', it
1880 matches any sequence of characters not containing '\r', '\n', or the
1881 character following the '*' (if any), and the matched sequence(s) are
1882 copied into star_match.
1885 looking_at(buf, index, pattern)
1890 char *bufp = &buf[*index], *patternp = pattern;
1892 char *matchp = star_match[0];
1895 if (*patternp == NULLCHAR) {
1896 *index = leftover_start = bufp - buf;
1900 if (*bufp == NULLCHAR) return FALSE;
1901 if (*patternp == '*') {
1902 if (*bufp == *(patternp + 1)) {
1904 matchp = star_match[++star_count];
1908 } else if (*bufp == '\n' || *bufp == '\r') {
1910 if (*patternp == NULLCHAR)
1915 *matchp++ = *bufp++;
1919 if (*patternp != *bufp) return FALSE;
1926 SendToPlayer(data, length)
1930 int error, outCount;
1931 outCount = OutputToProcess(NoProc, data, length, &error);
1932 if (outCount < length) {
1933 DisplayFatalError(_("Error writing to display"), error, 1);
1938 PackHolding(packed, holding)
1950 switch (runlength) {
1961 sprintf(q, "%d", runlength);
1973 /* Telnet protocol requests from the front end */
1975 TelnetRequest(ddww, option)
1976 unsigned char ddww, option;
1978 unsigned char msg[3];
1979 int outCount, outError;
1981 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1983 if (appData.debugMode) {
1984 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2000 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2009 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2012 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2017 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2019 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2026 if (!appData.icsActive) return;
2027 TelnetRequest(TN_DO, TN_ECHO);
2033 if (!appData.icsActive) return;
2034 TelnetRequest(TN_DONT, TN_ECHO);
2038 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2040 /* put the holdings sent to us by the server on the board holdings area */
2041 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2045 if(gameInfo.holdingsWidth < 2) return;
2046 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2047 return; // prevent overwriting by pre-board holdings
2049 if( (int)lowestPiece >= BlackPawn ) {
2052 holdingsStartRow = BOARD_HEIGHT-1;
2055 holdingsColumn = BOARD_WIDTH-1;
2056 countsColumn = BOARD_WIDTH-2;
2057 holdingsStartRow = 0;
2061 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2062 board[i][holdingsColumn] = EmptySquare;
2063 board[i][countsColumn] = (ChessSquare) 0;
2065 while( (p=*holdings++) != NULLCHAR ) {
2066 piece = CharToPiece( ToUpper(p) );
2067 if(piece == EmptySquare) continue;
2068 /*j = (int) piece - (int) WhitePawn;*/
2069 j = PieceToNumber(piece);
2070 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2071 if(j < 0) continue; /* should not happen */
2072 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2073 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2074 board[holdingsStartRow+j*direction][countsColumn]++;
2080 VariantSwitch(Board board, VariantClass newVariant)
2082 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2083 static Board oldBoard;
2085 startedFromPositionFile = FALSE;
2086 if(gameInfo.variant == newVariant) return;
2088 /* [HGM] This routine is called each time an assignment is made to
2089 * gameInfo.variant during a game, to make sure the board sizes
2090 * are set to match the new variant. If that means adding or deleting
2091 * holdings, we shift the playing board accordingly
2092 * This kludge is needed because in ICS observe mode, we get boards
2093 * of an ongoing game without knowing the variant, and learn about the
2094 * latter only later. This can be because of the move list we requested,
2095 * in which case the game history is refilled from the beginning anyway,
2096 * but also when receiving holdings of a crazyhouse game. In the latter
2097 * case we want to add those holdings to the already received position.
2101 if (appData.debugMode) {
2102 fprintf(debugFP, "Switch board from %s to %s\n",
2103 VariantName(gameInfo.variant), VariantName(newVariant));
2104 setbuf(debugFP, NULL);
2106 shuffleOpenings = 0; /* [HGM] shuffle */
2107 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2111 newWidth = 9; newHeight = 9;
2112 gameInfo.holdingsSize = 7;
2113 case VariantBughouse:
2114 case VariantCrazyhouse:
2115 newHoldingsWidth = 2; break;
2119 newHoldingsWidth = 2;
2120 gameInfo.holdingsSize = 8;
2123 case VariantCapablanca:
2124 case VariantCapaRandom:
2127 newHoldingsWidth = gameInfo.holdingsSize = 0;
2130 if(newWidth != gameInfo.boardWidth ||
2131 newHeight != gameInfo.boardHeight ||
2132 newHoldingsWidth != gameInfo.holdingsWidth ) {
2134 /* shift position to new playing area, if needed */
2135 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2136 for(i=0; i<BOARD_HEIGHT; i++)
2137 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2138 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2140 for(i=0; i<newHeight; i++) {
2141 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2142 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2144 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2145 for(i=0; i<BOARD_HEIGHT; i++)
2146 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2147 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2150 gameInfo.boardWidth = newWidth;
2151 gameInfo.boardHeight = newHeight;
2152 gameInfo.holdingsWidth = newHoldingsWidth;
2153 gameInfo.variant = newVariant;
2154 InitDrawingSizes(-2, 0);
2155 } else gameInfo.variant = newVariant;
2156 CopyBoard(oldBoard, board); // remember correctly formatted board
2157 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2158 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2161 static int loggedOn = FALSE;
2163 /*-- Game start info cache: --*/
2165 char gs_kind[MSG_SIZ];
2166 static char player1Name[128] = "";
2167 static char player2Name[128] = "";
2168 static char cont_seq[] = "\n\\ ";
2169 static int player1Rating = -1;
2170 static int player2Rating = -1;
2171 /*----------------------------*/
2173 ColorClass curColor = ColorNormal;
2174 int suppressKibitz = 0;
2177 Boolean soughtPending = FALSE;
2178 Boolean seekGraphUp;
2179 #define MAX_SEEK_ADS 200
2181 char *seekAdList[MAX_SEEK_ADS];
2182 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2183 float tcList[MAX_SEEK_ADS];
2184 char colorList[MAX_SEEK_ADS];
2185 int nrOfSeekAds = 0;
2186 int minRating = 1010, maxRating = 2800;
2187 int hMargin = 10, vMargin = 20, h, w;
2188 extern int squareSize, lineGap;
2193 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2194 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2195 if(r < minRating+100 && r >=0 ) r = minRating+100;
2196 if(r > maxRating) r = maxRating;
2197 if(tc < 1.) tc = 1.;
2198 if(tc > 95.) tc = 95.;
2199 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2200 y = ((double)r - minRating)/(maxRating - minRating)
2201 * (h-vMargin-squareSize/8-1) + vMargin;
2202 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2203 if(strstr(seekAdList[i], " u ")) color = 1;
2204 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2205 !strstr(seekAdList[i], "bullet") &&
2206 !strstr(seekAdList[i], "blitz") &&
2207 !strstr(seekAdList[i], "standard") ) color = 2;
2208 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2209 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2213 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2215 char buf[MSG_SIZ], *ext = "";
2216 VariantClass v = StringToVariant(type);
2217 if(strstr(type, "wild")) {
2218 ext = type + 4; // append wild number
2219 if(v == VariantFischeRandom) type = "chess960"; else
2220 if(v == VariantLoadable) type = "setup"; else
2221 type = VariantName(v);
2223 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2224 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2225 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2226 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2227 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2228 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2229 seekNrList[nrOfSeekAds] = nr;
2230 zList[nrOfSeekAds] = 0;
2231 seekAdList[nrOfSeekAds++] = StrSave(buf);
2232 if(plot) PlotSeekAd(nrOfSeekAds-1);
2239 int x = xList[i], y = yList[i], d=squareSize/4, k;
2240 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2241 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2242 // now replot every dot that overlapped
2243 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2244 int xx = xList[k], yy = yList[k];
2245 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2246 DrawSeekDot(xx, yy, colorList[k]);
2251 RemoveSeekAd(int nr)
2254 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2256 if(seekAdList[i]) free(seekAdList[i]);
2257 seekAdList[i] = seekAdList[--nrOfSeekAds];
2258 seekNrList[i] = seekNrList[nrOfSeekAds];
2259 ratingList[i] = ratingList[nrOfSeekAds];
2260 colorList[i] = colorList[nrOfSeekAds];
2261 tcList[i] = tcList[nrOfSeekAds];
2262 xList[i] = xList[nrOfSeekAds];
2263 yList[i] = yList[nrOfSeekAds];
2264 zList[i] = zList[nrOfSeekAds];
2265 seekAdList[nrOfSeekAds] = NULL;
2271 MatchSoughtLine(char *line)
2273 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2274 int nr, base, inc, u=0; char dummy;
2276 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2277 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2279 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2280 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2281 // match: compact and save the line
2282 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2292 if(!seekGraphUp) return FALSE;
2293 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2294 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2296 DrawSeekBackground(0, 0, w, h);
2297 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2298 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2299 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2300 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2302 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2305 snprintf(buf, MSG_SIZ, "%d", i);
2306 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2309 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2310 for(i=1; i<100; i+=(i<10?1:5)) {
2311 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2312 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2313 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2315 snprintf(buf, MSG_SIZ, "%d", i);
2316 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2319 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2323 int SeekGraphClick(ClickType click, int x, int y, int moving)
2325 static int lastDown = 0, displayed = 0, lastSecond;
2326 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2327 if(click == Release || moving) return FALSE;
2329 soughtPending = TRUE;
2330 SendToICS(ics_prefix);
2331 SendToICS("sought\n"); // should this be "sought all"?
2332 } else { // issue challenge based on clicked ad
2333 int dist = 10000; int i, closest = 0, second = 0;
2334 for(i=0; i<nrOfSeekAds; i++) {
2335 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2336 if(d < dist) { dist = d; closest = i; }
2337 second += (d - zList[i] < 120); // count in-range ads
2338 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2342 second = (second > 1);
2343 if(displayed != closest || second != lastSecond) {
2344 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2345 lastSecond = second; displayed = closest;
2347 if(click == Press) {
2348 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2351 } // on press 'hit', only show info
2352 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2353 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2354 SendToICS(ics_prefix);
2356 return TRUE; // let incoming board of started game pop down the graph
2357 } else if(click == Release) { // release 'miss' is ignored
2358 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2359 if(moving == 2) { // right up-click
2360 nrOfSeekAds = 0; // refresh graph
2361 soughtPending = TRUE;
2362 SendToICS(ics_prefix);
2363 SendToICS("sought\n"); // should this be "sought all"?
2366 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2367 // press miss or release hit 'pop down' seek graph
2368 seekGraphUp = FALSE;
2369 DrawPosition(TRUE, NULL);
2375 read_from_ics(isr, closure, data, count, error)
2382 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2383 #define STARTED_NONE 0
2384 #define STARTED_MOVES 1
2385 #define STARTED_BOARD 2
2386 #define STARTED_OBSERVE 3
2387 #define STARTED_HOLDINGS 4
2388 #define STARTED_CHATTER 5
2389 #define STARTED_COMMENT 6
2390 #define STARTED_MOVES_NOHIDE 7
2392 static int started = STARTED_NONE;
2393 static char parse[20000];
2394 static int parse_pos = 0;
2395 static char buf[BUF_SIZE + 1];
2396 static int firstTime = TRUE, intfSet = FALSE;
2397 static ColorClass prevColor = ColorNormal;
2398 static int savingComment = FALSE;
2399 static int cmatch = 0; // continuation sequence match
2406 int backup; /* [DM] For zippy color lines */
2408 char talker[MSG_SIZ]; // [HGM] chat
2411 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2413 if (appData.debugMode) {
2415 fprintf(debugFP, "<ICS: ");
2416 show_bytes(debugFP, data, count);
2417 fprintf(debugFP, "\n");
2421 if (appData.debugMode) { int f = forwardMostMove;
2422 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2423 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2424 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2427 /* If last read ended with a partial line that we couldn't parse,
2428 prepend it to the new read and try again. */
2429 if (leftover_len > 0) {
2430 for (i=0; i<leftover_len; i++)
2431 buf[i] = buf[leftover_start + i];
2434 /* copy new characters into the buffer */
2435 bp = buf + leftover_len;
2436 buf_len=leftover_len;
2437 for (i=0; i<count; i++)
2440 if (data[i] == '\r')
2443 // join lines split by ICS?
2444 if (!appData.noJoin)
2447 Joining just consists of finding matches against the
2448 continuation sequence, and discarding that sequence
2449 if found instead of copying it. So, until a match
2450 fails, there's nothing to do since it might be the
2451 complete sequence, and thus, something we don't want
2454 if (data[i] == cont_seq[cmatch])
2457 if (cmatch == strlen(cont_seq))
2459 cmatch = 0; // complete match. just reset the counter
2462 it's possible for the ICS to not include the space
2463 at the end of the last word, making our [correct]
2464 join operation fuse two separate words. the server
2465 does this when the space occurs at the width setting.
2467 if (!buf_len || buf[buf_len-1] != ' ')
2478 match failed, so we have to copy what matched before
2479 falling through and copying this character. In reality,
2480 this will only ever be just the newline character, but
2481 it doesn't hurt to be precise.
2483 strncpy(bp, cont_seq, cmatch);
2495 buf[buf_len] = NULLCHAR;
2496 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2501 while (i < buf_len) {
2502 /* Deal with part of the TELNET option negotiation
2503 protocol. We refuse to do anything beyond the
2504 defaults, except that we allow the WILL ECHO option,
2505 which ICS uses to turn off password echoing when we are
2506 directly connected to it. We reject this option
2507 if localLineEditing mode is on (always on in xboard)
2508 and we are talking to port 23, which might be a real
2509 telnet server that will try to keep WILL ECHO on permanently.
2511 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2512 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2513 unsigned char option;
2515 switch ((unsigned char) buf[++i]) {
2517 if (appData.debugMode)
2518 fprintf(debugFP, "\n<WILL ");
2519 switch (option = (unsigned char) buf[++i]) {
2521 if (appData.debugMode)
2522 fprintf(debugFP, "ECHO ");
2523 /* Reply only if this is a change, according
2524 to the protocol rules. */
2525 if (remoteEchoOption) break;
2526 if (appData.localLineEditing &&
2527 atoi(appData.icsPort) == TN_PORT) {
2528 TelnetRequest(TN_DONT, TN_ECHO);
2531 TelnetRequest(TN_DO, TN_ECHO);
2532 remoteEchoOption = TRUE;
2536 if (appData.debugMode)
2537 fprintf(debugFP, "%d ", option);
2538 /* Whatever this is, we don't want it. */
2539 TelnetRequest(TN_DONT, option);
2544 if (appData.debugMode)
2545 fprintf(debugFP, "\n<WONT ");
2546 switch (option = (unsigned char) buf[++i]) {
2548 if (appData.debugMode)
2549 fprintf(debugFP, "ECHO ");
2550 /* Reply only if this is a change, according
2551 to the protocol rules. */
2552 if (!remoteEchoOption) break;
2554 TelnetRequest(TN_DONT, TN_ECHO);
2555 remoteEchoOption = FALSE;
2558 if (appData.debugMode)
2559 fprintf(debugFP, "%d ", (unsigned char) option);
2560 /* Whatever this is, it must already be turned
2561 off, because we never agree to turn on
2562 anything non-default, so according to the
2563 protocol rules, we don't reply. */
2568 if (appData.debugMode)
2569 fprintf(debugFP, "\n<DO ");
2570 switch (option = (unsigned char) buf[++i]) {
2572 /* Whatever this is, we refuse to do it. */
2573 if (appData.debugMode)
2574 fprintf(debugFP, "%d ", option);
2575 TelnetRequest(TN_WONT, option);
2580 if (appData.debugMode)
2581 fprintf(debugFP, "\n<DONT ");
2582 switch (option = (unsigned char) buf[++i]) {
2584 if (appData.debugMode)
2585 fprintf(debugFP, "%d ", option);
2586 /* Whatever this is, we are already not doing
2587 it, because we never agree to do anything
2588 non-default, so according to the protocol
2589 rules, we don't reply. */
2594 if (appData.debugMode)
2595 fprintf(debugFP, "\n<IAC ");
2596 /* Doubled IAC; pass it through */
2600 if (appData.debugMode)
2601 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2602 /* Drop all other telnet commands on the floor */
2605 if (oldi > next_out)
2606 SendToPlayer(&buf[next_out], oldi - next_out);
2612 /* OK, this at least will *usually* work */
2613 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2617 if (loggedOn && !intfSet) {
2618 if (ics_type == ICS_ICC) {
2619 snprintf(str, MSG_SIZ,
2620 "/set-quietly interface %s\n/set-quietly style 12\n",
2622 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2623 strcat(str, "/set-2 51 1\n/set seek 1\n");
2624 } else if (ics_type == ICS_CHESSNET) {
2625 snprintf(str, MSG_SIZ, "/style 12\n");
2627 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2628 strcat(str, programVersion);
2629 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2630 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2631 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2633 strcat(str, "$iset nohighlight 1\n");
2635 strcat(str, "$iset lock 1\n$style 12\n");
2638 NotifyFrontendLogin();
2642 if (started == STARTED_COMMENT) {
2643 /* Accumulate characters in comment */
2644 parse[parse_pos++] = buf[i];
2645 if (buf[i] == '\n') {
2646 parse[parse_pos] = NULLCHAR;
2647 if(chattingPartner>=0) {
2649 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2650 OutputChatMessage(chattingPartner, mess);
2651 chattingPartner = -1;
2652 next_out = i+1; // [HGM] suppress printing in ICS window
2654 if(!suppressKibitz) // [HGM] kibitz
2655 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2656 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2657 int nrDigit = 0, nrAlph = 0, j;
2658 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2659 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2660 parse[parse_pos] = NULLCHAR;
2661 // try to be smart: if it does not look like search info, it should go to
2662 // ICS interaction window after all, not to engine-output window.
2663 for(j=0; j<parse_pos; j++) { // count letters and digits
2664 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2665 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2666 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2668 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2669 int depth=0; float score;
2670 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2671 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2672 pvInfoList[forwardMostMove-1].depth = depth;
2673 pvInfoList[forwardMostMove-1].score = 100*score;
2675 OutputKibitz(suppressKibitz, parse);
2678 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2679 SendToPlayer(tmp, strlen(tmp));
2681 next_out = i+1; // [HGM] suppress printing in ICS window
2683 started = STARTED_NONE;
2685 /* Don't match patterns against characters in comment */
2690 if (started == STARTED_CHATTER) {
2691 if (buf[i] != '\n') {
2692 /* Don't match patterns against characters in chatter */
2696 started = STARTED_NONE;
2697 if(suppressKibitz) next_out = i+1;
2700 /* Kludge to deal with rcmd protocol */
2701 if (firstTime && looking_at(buf, &i, "\001*")) {
2702 DisplayFatalError(&buf[1], 0, 1);
2708 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2711 if (appData.debugMode)
2712 fprintf(debugFP, "ics_type %d\n", ics_type);
2715 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2716 ics_type = ICS_FICS;
2718 if (appData.debugMode)
2719 fprintf(debugFP, "ics_type %d\n", ics_type);
2722 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2723 ics_type = ICS_CHESSNET;
2725 if (appData.debugMode)
2726 fprintf(debugFP, "ics_type %d\n", ics_type);
2731 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2732 looking_at(buf, &i, "Logging you in as \"*\"") ||
2733 looking_at(buf, &i, "will be \"*\""))) {
2734 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
2738 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2740 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2741 DisplayIcsInteractionTitle(buf);
2742 have_set_title = TRUE;
2745 /* skip finger notes */
2746 if (started == STARTED_NONE &&
2747 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2748 (buf[i] == '1' && buf[i+1] == '0')) &&
2749 buf[i+2] == ':' && buf[i+3] == ' ') {
2750 started = STARTED_CHATTER;
2756 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2757 if(appData.seekGraph) {
2758 if(soughtPending && MatchSoughtLine(buf+i)) {
2759 i = strstr(buf+i, "rated") - buf;
2760 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2761 next_out = leftover_start = i;
2762 started = STARTED_CHATTER;
2763 suppressKibitz = TRUE;
2766 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2767 && looking_at(buf, &i, "* ads displayed")) {
2768 soughtPending = FALSE;
2773 if(appData.autoRefresh) {
2774 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2775 int s = (ics_type == ICS_ICC); // ICC format differs
2777 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2778 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2779 looking_at(buf, &i, "*% "); // eat prompt
2780 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
2781 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2782 next_out = i; // suppress
2785 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2786 char *p = star_match[0];
2788 if(seekGraphUp) RemoveSeekAd(atoi(p));
2789 while(*p && *p++ != ' '); // next
2791 looking_at(buf, &i, "*% "); // eat prompt
2792 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2799 /* skip formula vars */
2800 if (started == STARTED_NONE &&
2801 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2802 started = STARTED_CHATTER;
2807 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2808 if (appData.autoKibitz && started == STARTED_NONE &&
2809 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2810 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2811 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
2812 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2813 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2814 suppressKibitz = TRUE;
2815 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2817 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2818 && (gameMode == IcsPlayingWhite)) ||
2819 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2820 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2821 started = STARTED_CHATTER; // own kibitz we simply discard
2823 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2824 parse_pos = 0; parse[0] = NULLCHAR;
2825 savingComment = TRUE;
2826 suppressKibitz = gameMode != IcsObserving ? 2 :
2827 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2831 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
2832 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
2833 && atoi(star_match[0])) {
2834 // suppress the acknowledgements of our own autoKibitz
2836 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2837 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2838 SendToPlayer(star_match[0], strlen(star_match[0]));
2839 if(looking_at(buf, &i, "*% ")) // eat prompt
2840 suppressKibitz = FALSE;
2844 } // [HGM] kibitz: end of patch
2846 // [HGM] chat: intercept tells by users for which we have an open chat window
2848 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2849 looking_at(buf, &i, "* whispers:") ||
2850 looking_at(buf, &i, "* kibitzes:") ||
2851 looking_at(buf, &i, "* shouts:") ||
2852 looking_at(buf, &i, "* c-shouts:") ||
2853 looking_at(buf, &i, "--> * ") ||
2854 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2855 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2856 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2857 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2859 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2860 chattingPartner = -1;
2862 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2863 for(p=0; p<MAX_CHAT; p++) {
2864 if(channel == atoi(chatPartner[p])) {
2865 talker[0] = '['; strcat(talker, "] ");
2866 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
2867 chattingPartner = p; break;
2870 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
2871 for(p=0; p<MAX_CHAT; p++) {
2872 if(!strcmp("kibitzes", chatPartner[p])) {
2873 talker[0] = '['; strcat(talker, "] ");
2874 chattingPartner = p; break;
2877 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2878 for(p=0; p<MAX_CHAT; p++) {
2879 if(!strcmp("whispers", chatPartner[p])) {
2880 talker[0] = '['; strcat(talker, "] ");
2881 chattingPartner = p; break;
2884 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
2885 if(buf[i-8] == '-' && buf[i-3] == 't')
2886 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
2887 if(!strcmp("c-shouts", chatPartner[p])) {
2888 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
2889 chattingPartner = p; break;
2892 if(chattingPartner < 0)
2893 for(p=0; p<MAX_CHAT; p++) {
2894 if(!strcmp("shouts", chatPartner[p])) {
2895 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
2896 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
2897 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
2898 chattingPartner = p; break;
2902 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2903 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2904 talker[0] = 0; Colorize(ColorTell, FALSE);
2905 chattingPartner = p; break;
2907 if(chattingPartner<0) i = oldi; else {
2908 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
2909 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2910 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2911 started = STARTED_COMMENT;
2912 parse_pos = 0; parse[0] = NULLCHAR;
2913 savingComment = 3 + chattingPartner; // counts as TRUE
2914 suppressKibitz = TRUE;
2917 } // [HGM] chat: end of patch
2919 if (appData.zippyTalk || appData.zippyPlay) {
2920 /* [DM] Backup address for color zippy lines */
2923 if (loggedOn == TRUE)
2924 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2925 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2927 } // [DM] 'else { ' deleted
2929 /* Regular tells and says */
2930 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2931 looking_at(buf, &i, "* (your partner) tells you: ") ||
2932 looking_at(buf, &i, "* says: ") ||
2933 /* Don't color "message" or "messages" output */
2934 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2935 looking_at(buf, &i, "*. * at *:*: ") ||
2936 looking_at(buf, &i, "--* (*:*): ") ||
2937 /* Message notifications (same color as tells) */
2938 looking_at(buf, &i, "* has left a message ") ||
2939 looking_at(buf, &i, "* just sent you a message:\n") ||
2940 /* Whispers and kibitzes */
2941 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2942 looking_at(buf, &i, "* kibitzes: ") ||
2944 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2946 if (tkind == 1 && strchr(star_match[0], ':')) {
2947 /* Avoid "tells you:" spoofs in channels */
2950 if (star_match[0][0] == NULLCHAR ||
2951 strchr(star_match[0], ' ') ||
2952 (tkind == 3 && strchr(star_match[1], ' '))) {
2953 /* Reject bogus matches */
2956 if (appData.colorize) {
2957 if (oldi > next_out) {
2958 SendToPlayer(&buf[next_out], oldi - next_out);
2963 Colorize(ColorTell, FALSE);
2964 curColor = ColorTell;
2967 Colorize(ColorKibitz, FALSE);
2968 curColor = ColorKibitz;
2971 p = strrchr(star_match[1], '(');
2978 Colorize(ColorChannel1, FALSE);
2979 curColor = ColorChannel1;
2981 Colorize(ColorChannel, FALSE);
2982 curColor = ColorChannel;
2986 curColor = ColorNormal;
2990 if (started == STARTED_NONE && appData.autoComment &&
2991 (gameMode == IcsObserving ||
2992 gameMode == IcsPlayingWhite ||
2993 gameMode == IcsPlayingBlack)) {
2994 parse_pos = i - oldi;
2995 memcpy(parse, &buf[oldi], parse_pos);
2996 parse[parse_pos] = NULLCHAR;
2997 started = STARTED_COMMENT;
2998 savingComment = TRUE;
3000 started = STARTED_CHATTER;
3001 savingComment = FALSE;
3008 if (looking_at(buf, &i, "* s-shouts: ") ||
3009 looking_at(buf, &i, "* c-shouts: ")) {
3010 if (appData.colorize) {
3011 if (oldi > next_out) {
3012 SendToPlayer(&buf[next_out], oldi - next_out);
3015 Colorize(ColorSShout, FALSE);
3016 curColor = ColorSShout;
3019 started = STARTED_CHATTER;
3023 if (looking_at(buf, &i, "--->")) {
3028 if (looking_at(buf, &i, "* shouts: ") ||
3029 looking_at(buf, &i, "--> ")) {
3030 if (appData.colorize) {
3031 if (oldi > next_out) {
3032 SendToPlayer(&buf[next_out], oldi - next_out);
3035 Colorize(ColorShout, FALSE);
3036 curColor = ColorShout;
3039 started = STARTED_CHATTER;
3043 if (looking_at( buf, &i, "Challenge:")) {
3044 if (appData.colorize) {
3045 if (oldi > next_out) {
3046 SendToPlayer(&buf[next_out], oldi - next_out);
3049 Colorize(ColorChallenge, FALSE);
3050 curColor = ColorChallenge;
3056 if (looking_at(buf, &i, "* offers you") ||
3057 looking_at(buf, &i, "* offers to be") ||
3058 looking_at(buf, &i, "* would like to") ||
3059 looking_at(buf, &i, "* requests to") ||
3060 looking_at(buf, &i, "Your opponent offers") ||
3061 looking_at(buf, &i, "Your opponent requests")) {
3063 if (appData.colorize) {
3064 if (oldi > next_out) {
3065 SendToPlayer(&buf[next_out], oldi - next_out);
3068 Colorize(ColorRequest, FALSE);
3069 curColor = ColorRequest;
3074 if (looking_at(buf, &i, "* (*) seeking")) {
3075 if (appData.colorize) {
3076 if (oldi > next_out) {
3077 SendToPlayer(&buf[next_out], oldi - next_out);
3080 Colorize(ColorSeek, FALSE);
3081 curColor = ColorSeek;
3086 if (looking_at(buf, &i, "\\ ")) {
3087 if (prevColor != ColorNormal) {
3088 if (oldi > next_out) {
3089 SendToPlayer(&buf[next_out], oldi - next_out);
3092 Colorize(prevColor, TRUE);
3093 curColor = prevColor;
3095 if (savingComment) {
3096 parse_pos = i - oldi;
3097 memcpy(parse, &buf[oldi], parse_pos);
3098 parse[parse_pos] = NULLCHAR;
3099 started = STARTED_COMMENT;
3100 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3101 chattingPartner = savingComment - 3; // kludge to remember the box
3103 started = STARTED_CHATTER;
3108 if (looking_at(buf, &i, "Black Strength :") ||
3109 looking_at(buf, &i, "<<< style 10 board >>>") ||
3110 looking_at(buf, &i, "<10>") ||
3111 looking_at(buf, &i, "#@#")) {
3112 /* Wrong board style */
3114 SendToICS(ics_prefix);
3115 SendToICS("set style 12\n");
3116 SendToICS(ics_prefix);
3117 SendToICS("refresh\n");
3121 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3123 have_sent_ICS_logon = 1;
3127 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3128 (looking_at(buf, &i, "\n<12> ") ||
3129 looking_at(buf, &i, "<12> "))) {
3131 if (oldi > next_out) {
3132 SendToPlayer(&buf[next_out], oldi - next_out);
3135 started = STARTED_BOARD;
3140 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3141 looking_at(buf, &i, "<b1> ")) {
3142 if (oldi > next_out) {
3143 SendToPlayer(&buf[next_out], oldi - next_out);
3146 started = STARTED_HOLDINGS;
3151 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3153 /* Header for a move list -- first line */
3155 switch (ics_getting_history) {
3159 case BeginningOfGame:
3160 /* User typed "moves" or "oldmoves" while we
3161 were idle. Pretend we asked for these
3162 moves and soak them up so user can step
3163 through them and/or save them.
3166 gameMode = IcsObserving;
3169 ics_getting_history = H_GOT_UNREQ_HEADER;
3171 case EditGame: /*?*/
3172 case EditPosition: /*?*/
3173 /* Should above feature work in these modes too? */
3174 /* For now it doesn't */
3175 ics_getting_history = H_GOT_UNWANTED_HEADER;
3178 ics_getting_history = H_GOT_UNWANTED_HEADER;
3183 /* Is this the right one? */
3184 if (gameInfo.white && gameInfo.black &&
3185 strcmp(gameInfo.white, star_match[0]) == 0 &&
3186 strcmp(gameInfo.black, star_match[2]) == 0) {
3188 ics_getting_history = H_GOT_REQ_HEADER;
3191 case H_GOT_REQ_HEADER:
3192 case H_GOT_UNREQ_HEADER:
3193 case H_GOT_UNWANTED_HEADER:
3194 case H_GETTING_MOVES:
3195 /* Should not happen */
3196 DisplayError(_("Error gathering move list: two headers"), 0);
3197 ics_getting_history = H_FALSE;
3201 /* Save player ratings into gameInfo if needed */
3202 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3203 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3204 (gameInfo.whiteRating == -1 ||
3205 gameInfo.blackRating == -1)) {
3207 gameInfo.whiteRating = string_to_rating(star_match[1]);
3208 gameInfo.blackRating = string_to_rating(star_match[3]);
3209 if (appData.debugMode)
3210 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3211 gameInfo.whiteRating, gameInfo.blackRating);
3216 if (looking_at(buf, &i,
3217 "* * match, initial time: * minute*, increment: * second")) {
3218 /* Header for a move list -- second line */
3219 /* Initial board will follow if this is a wild game */
3220 if (gameInfo.event != NULL) free(gameInfo.event);
3221 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3222 gameInfo.event = StrSave(str);
3223 /* [HGM] we switched variant. Translate boards if needed. */
3224 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3228 if (looking_at(buf, &i, "Move ")) {
3229 /* Beginning of a move list */
3230 switch (ics_getting_history) {
3232 /* Normally should not happen */
3233 /* Maybe user hit reset while we were parsing */
3236 /* Happens if we are ignoring a move list that is not
3237 * the one we just requested. Common if the user
3238 * tries to observe two games without turning off
3241 case H_GETTING_MOVES:
3242 /* Should not happen */
3243 DisplayError(_("Error gathering move list: nested"), 0);
3244 ics_getting_history = H_FALSE;
3246 case H_GOT_REQ_HEADER:
3247 ics_getting_history = H_GETTING_MOVES;
3248 started = STARTED_MOVES;
3250 if (oldi > next_out) {
3251 SendToPlayer(&buf[next_out], oldi - next_out);
3254 case H_GOT_UNREQ_HEADER:
3255 ics_getting_history = H_GETTING_MOVES;
3256 started = STARTED_MOVES_NOHIDE;
3259 case H_GOT_UNWANTED_HEADER:
3260 ics_getting_history = H_FALSE;
3266 if (looking_at(buf, &i, "% ") ||
3267 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3268 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3269 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3270 soughtPending = FALSE;
3274 if(suppressKibitz) next_out = i;
3275 savingComment = FALSE;
3279 case STARTED_MOVES_NOHIDE:
3280 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3281 parse[parse_pos + i - oldi] = NULLCHAR;
3282 ParseGameHistory(parse);
3284 if (appData.zippyPlay && first.initDone) {
3285 FeedMovesToProgram(&first, forwardMostMove);
3286 if (gameMode == IcsPlayingWhite) {
3287 if (WhiteOnMove(forwardMostMove)) {
3288 if (first.sendTime) {
3289 if (first.useColors) {
3290 SendToProgram("black\n", &first);
3292 SendTimeRemaining(&first, TRUE);
3294 if (first.useColors) {
3295 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3297 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3298 first.maybeThinking = TRUE;
3300 if (first.usePlayother) {
3301 if (first.sendTime) {
3302 SendTimeRemaining(&first, TRUE);
3304 SendToProgram("playother\n", &first);
3310 } else if (gameMode == IcsPlayingBlack) {
3311 if (!WhiteOnMove(forwardMostMove)) {
3312 if (first.sendTime) {
3313 if (first.useColors) {
3314 SendToProgram("white\n", &first);
3316 SendTimeRemaining(&first, FALSE);
3318 if (first.useColors) {
3319 SendToProgram("black\n", &first);
3321 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3322 first.maybeThinking = TRUE;
3324 if (first.usePlayother) {
3325 if (first.sendTime) {
3326 SendTimeRemaining(&first, FALSE);
3328 SendToProgram("playother\n", &first);
3337 if (gameMode == IcsObserving && ics_gamenum == -1) {
3338 /* Moves came from oldmoves or moves command
3339 while we weren't doing anything else.
3341 currentMove = forwardMostMove;
3342 ClearHighlights();/*!!could figure this out*/
3343 flipView = appData.flipView;
3344 DrawPosition(TRUE, boards[currentMove]);
3345 DisplayBothClocks();
3346 snprintf(str, MSG_SIZ, "%s vs. %s",
3347 gameInfo.white, gameInfo.black);
3351 /* Moves were history of an active game */
3352 if (gameInfo.resultDetails != NULL) {
3353 free(gameInfo.resultDetails);
3354 gameInfo.resultDetails = NULL;
3357 HistorySet(parseList, backwardMostMove,
3358 forwardMostMove, currentMove-1);
3359 DisplayMove(currentMove - 1);
3360 if (started == STARTED_MOVES) next_out = i;
3361 started = STARTED_NONE;
3362 ics_getting_history = H_FALSE;
3365 case STARTED_OBSERVE:
3366 started = STARTED_NONE;
3367 SendToICS(ics_prefix);
3368 SendToICS("refresh\n");
3374 if(bookHit) { // [HGM] book: simulate book reply
3375 static char bookMove[MSG_SIZ]; // a bit generous?
3377 programStats.nodes = programStats.depth = programStats.time =
3378 programStats.score = programStats.got_only_move = 0;
3379 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3381 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3382 strcat(bookMove, bookHit);
3383 HandleMachineMove(bookMove, &first);
3388 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3389 started == STARTED_HOLDINGS ||
3390 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3391 /* Accumulate characters in move list or board */
3392 parse[parse_pos++] = buf[i];
3395 /* Start of game messages. Mostly we detect start of game
3396 when the first board image arrives. On some versions
3397 of the ICS, though, we need to do a "refresh" after starting
3398 to observe in order to get the current board right away. */
3399 if (looking_at(buf, &i, "Adding game * to observation list")) {
3400 started = STARTED_OBSERVE;
3404 /* Handle auto-observe */
3405 if (appData.autoObserve &&
3406 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3407 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3409 /* Choose the player that was highlighted, if any. */
3410 if (star_match[0][0] == '\033' ||
3411 star_match[1][0] != '\033') {
3412 player = star_match[0];
3414 player = star_match[2];
3416 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3417 ics_prefix, StripHighlightAndTitle(player));
3420 /* Save ratings from notify string */
3421 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3422 player1Rating = string_to_rating(star_match[1]);
3423 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3424 player2Rating = string_to_rating(star_match[3]);
3426 if (appData.debugMode)
3428 "Ratings from 'Game notification:' %s %d, %s %d\n",
3429 player1Name, player1Rating,
3430 player2Name, player2Rating);
3435 /* Deal with automatic examine mode after a game,
3436 and with IcsObserving -> IcsExamining transition */
3437 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3438 looking_at(buf, &i, "has made you an examiner of game *")) {
3440 int gamenum = atoi(star_match[0]);
3441 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3442 gamenum == ics_gamenum) {
3443 /* We were already playing or observing this game;
3444 no need to refetch history */
3445 gameMode = IcsExamining;
3447 pauseExamForwardMostMove = forwardMostMove;
3448 } else if (currentMove < forwardMostMove) {
3449 ForwardInner(forwardMostMove);
3452 /* I don't think this case really can happen */
3453 SendToICS(ics_prefix);
3454 SendToICS("refresh\n");
3459 /* Error messages */
3460 // if (ics_user_moved) {
3461 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3462 if (looking_at(buf, &i, "Illegal move") ||
3463 looking_at(buf, &i, "Not a legal move") ||
3464 looking_at(buf, &i, "Your king is in check") ||
3465 looking_at(buf, &i, "It isn't your turn") ||
3466 looking_at(buf, &i, "It is not your move")) {
3468 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3469 currentMove = forwardMostMove-1;
3470 DisplayMove(currentMove - 1); /* before DMError */
3471 DrawPosition(FALSE, boards[currentMove]);
3472 SwitchClocks(forwardMostMove-1); // [HGM] race
3473 DisplayBothClocks();
3475 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3481 if (looking_at(buf, &i, "still have time") ||
3482 looking_at(buf, &i, "not out of time") ||
3483 looking_at(buf, &i, "either player is out of time") ||
3484 looking_at(buf, &i, "has timeseal; checking")) {
3485 /* We must have called his flag a little too soon */
3486 whiteFlag = blackFlag = FALSE;
3490 if (looking_at(buf, &i, "added * seconds to") ||
3491 looking_at(buf, &i, "seconds were added to")) {
3492 /* Update the clocks */
3493 SendToICS(ics_prefix);
3494 SendToICS("refresh\n");
3498 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3499 ics_clock_paused = TRUE;
3504 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3505 ics_clock_paused = FALSE;
3510 /* Grab player ratings from the Creating: message.
3511 Note we have to check for the special case when
3512 the ICS inserts things like [white] or [black]. */
3513 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3514 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3516 0 player 1 name (not necessarily white)
3518 2 empty, white, or black (IGNORED)
3519 3 player 2 name (not necessarily black)
3522 The names/ratings are sorted out when the game
3523 actually starts (below).
3525 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3526 player1Rating = string_to_rating(star_match[1]);
3527 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3528 player2Rating = string_to_rating(star_match[4]);
3530 if (appData.debugMode)
3532 "Ratings from 'Creating:' %s %d, %s %d\n",
3533 player1Name, player1Rating,
3534 player2Name, player2Rating);
3539 /* Improved generic start/end-of-game messages */
3540 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3541 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3542 /* If tkind == 0: */
3543 /* star_match[0] is the game number */
3544 /* [1] is the white player's name */
3545 /* [2] is the black player's name */
3546 /* For end-of-game: */
3547 /* [3] is the reason for the game end */
3548 /* [4] is a PGN end game-token, preceded by " " */
3549 /* For start-of-game: */
3550 /* [3] begins with "Creating" or "Continuing" */
3551 /* [4] is " *" or empty (don't care). */
3552 int gamenum = atoi(star_match[0]);
3553 char *whitename, *blackname, *why, *endtoken;
3554 ChessMove endtype = EndOfFile;
3557 whitename = star_match[1];
3558 blackname = star_match[2];
3559 why = star_match[3];
3560 endtoken = star_match[4];
3562 whitename = star_match[1];
3563 blackname = star_match[3];
3564 why = star_match[5];
3565 endtoken = star_match[6];
3568 /* Game start messages */
3569 if (strncmp(why, "Creating ", 9) == 0 ||
3570 strncmp(why, "Continuing ", 11) == 0) {
3571 gs_gamenum = gamenum;
3572 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3573 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3575 if (appData.zippyPlay) {
3576 ZippyGameStart(whitename, blackname);
3579 partnerBoardValid = FALSE; // [HGM] bughouse
3583 /* Game end messages */
3584 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3585 ics_gamenum != gamenum) {
3588 while (endtoken[0] == ' ') endtoken++;
3589 switch (endtoken[0]) {
3592 endtype = GameUnfinished;
3595 endtype = BlackWins;
3598 if (endtoken[1] == '/')
3599 endtype = GameIsDrawn;
3601 endtype = WhiteWins;
3604 GameEnds(endtype, why, GE_ICS);
3606 if (appData.zippyPlay && first.initDone) {
3607 ZippyGameEnd(endtype, why);
3608 if (first.pr == NULL) {
3609 /* Start the next process early so that we'll
3610 be ready for the next challenge */
3611 StartChessProgram(&first);
3613 /* Send "new" early, in case this command takes
3614 a long time to finish, so that we'll be ready
3615 for the next challenge. */
3616 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3620 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3624 if (looking_at(buf, &i, "Removing game * from observation") ||
3625 looking_at(buf, &i, "no longer observing game *") ||
3626 looking_at(buf, &i, "Game * (*) has no examiners")) {
3627 if (gameMode == IcsObserving &&
3628 atoi(star_match[0]) == ics_gamenum)
3630 /* icsEngineAnalyze */
3631 if (appData.icsEngineAnalyze) {
3638 ics_user_moved = FALSE;
3643 if (looking_at(buf, &i, "no longer examining game *")) {
3644 if (gameMode == IcsExamining &&
3645 atoi(star_match[0]) == ics_gamenum)
3649 ics_user_moved = FALSE;
3654 /* Advance leftover_start past any newlines we find,
3655 so only partial lines can get reparsed */
3656 if (looking_at(buf, &i, "\n")) {
3657 prevColor = curColor;
3658 if (curColor != ColorNormal) {
3659 if (oldi > next_out) {
3660 SendToPlayer(&buf[next_out], oldi - next_out);
3663 Colorize(ColorNormal, FALSE);
3664 curColor = ColorNormal;
3666 if (started == STARTED_BOARD) {
3667 started = STARTED_NONE;
3668 parse[parse_pos] = NULLCHAR;
3669 ParseBoard12(parse);
3672 /* Send premove here */
3673 if (appData.premove) {
3675 if (currentMove == 0 &&
3676 gameMode == IcsPlayingWhite &&
3677 appData.premoveWhite) {
3678 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3679 if (appData.debugMode)
3680 fprintf(debugFP, "Sending premove:\n");
3682 } else if (currentMove == 1 &&
3683 gameMode == IcsPlayingBlack &&
3684 appData.premoveBlack) {
3685 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3686 if (appData.debugMode)
3687 fprintf(debugFP, "Sending premove:\n");
3689 } else if (gotPremove) {
3691 ClearPremoveHighlights();
3692 if (appData.debugMode)
3693 fprintf(debugFP, "Sending premove:\n");
3694 UserMoveEvent(premoveFromX, premoveFromY,
3695 premoveToX, premoveToY,
3700 /* Usually suppress following prompt */
3701 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3702 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3703 if (looking_at(buf, &i, "*% ")) {
3704 savingComment = FALSE;
3709 } else if (started == STARTED_HOLDINGS) {
3711 char new_piece[MSG_SIZ];
3712 started = STARTED_NONE;
3713 parse[parse_pos] = NULLCHAR;
3714 if (appData.debugMode)
3715 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3716 parse, currentMove);
3717 if (sscanf(parse, " game %d", &gamenum) == 1) {
3718 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3719 if (gameInfo.variant == VariantNormal) {
3720 /* [HGM] We seem to switch variant during a game!
3721 * Presumably no holdings were displayed, so we have
3722 * to move the position two files to the right to
3723 * create room for them!
3725 VariantClass newVariant;
3726 switch(gameInfo.boardWidth) { // base guess on board width
3727 case 9: newVariant = VariantShogi; break;
3728 case 10: newVariant = VariantGreat; break;
3729 default: newVariant = VariantCrazyhouse; break;
3731 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3732 /* Get a move list just to see the header, which
3733 will tell us whether this is really bug or zh */
3734 if (ics_getting_history == H_FALSE) {
3735 ics_getting_history = H_REQUESTED;
3736 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
3740 new_piece[0] = NULLCHAR;
3741 sscanf(parse, "game %d white [%s black [%s <- %s",
3742 &gamenum, white_holding, black_holding,
3744 white_holding[strlen(white_holding)-1] = NULLCHAR;
3745 black_holding[strlen(black_holding)-1] = NULLCHAR;
3746 /* [HGM] copy holdings to board holdings area */
3747 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3748 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3749 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3751 if (appData.zippyPlay && first.initDone) {
3752 ZippyHoldings(white_holding, black_holding,
3756 if (tinyLayout || smallLayout) {
3757 char wh[16], bh[16];
3758 PackHolding(wh, white_holding);
3759 PackHolding(bh, black_holding);
3760 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
3761 gameInfo.white, gameInfo.black);
3763 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
3764 gameInfo.white, white_holding,
3765 gameInfo.black, black_holding);
3767 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
3768 DrawPosition(FALSE, boards[currentMove]);
3770 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
3771 sscanf(parse, "game %d white [%s black [%s <- %s",
3772 &gamenum, white_holding, black_holding,
3774 white_holding[strlen(white_holding)-1] = NULLCHAR;
3775 black_holding[strlen(black_holding)-1] = NULLCHAR;
3776 /* [HGM] copy holdings to partner-board holdings area */
3777 CopyHoldings(partnerBoard, white_holding, WhitePawn);
3778 CopyHoldings(partnerBoard, black_holding, BlackPawn);
3779 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
3780 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3781 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
3784 /* Suppress following prompt */
3785 if (looking_at(buf, &i, "*% ")) {
3786 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3787 savingComment = FALSE;
3795 i++; /* skip unparsed character and loop back */
3798 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3799 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3800 // SendToPlayer(&buf[next_out], i - next_out);
3801 started != STARTED_HOLDINGS && leftover_start > next_out) {
3802 SendToPlayer(&buf[next_out], leftover_start - next_out);
3806 leftover_len = buf_len - leftover_start;
3807 /* if buffer ends with something we couldn't parse,
3808 reparse it after appending the next read */
3810 } else if (count == 0) {
3811 RemoveInputSource(isr);
3812 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3814 DisplayFatalError(_("Error reading from ICS"), error, 1);
3819 /* Board style 12 looks like this:
3821 <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
3823 * The "<12> " is stripped before it gets to this routine. The two
3824 * trailing 0's (flip state and clock ticking) are later addition, and
3825 * some chess servers may not have them, or may have only the first.
3826 * Additional trailing fields may be added in the future.
3829 #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"
3831 #define RELATION_OBSERVING_PLAYED 0
3832 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3833 #define RELATION_PLAYING_MYMOVE 1
3834 #define RELATION_PLAYING_NOTMYMOVE -1
3835 #define RELATION_EXAMINING 2
3836 #define RELATION_ISOLATED_BOARD -3
3837 #define RELATION_STARTING_POSITION -4 /* FICS only */
3840 ParseBoard12(string)
3843 GameMode newGameMode;
3844 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3845 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3846 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3847 char to_play, board_chars[200];
3848 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
3849 char black[32], white[32];
3851 int prevMove = currentMove;
3854 int fromX, fromY, toX, toY;
3856 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3857 char *bookHit = NULL; // [HGM] book
3858 Boolean weird = FALSE, reqFlag = FALSE;
3860 fromX = fromY = toX = toY = -1;
3864 if (appData.debugMode)
3865 fprintf(debugFP, _("Parsing board: %s\n"), string);
3867 move_str[0] = NULLCHAR;
3868 elapsed_time[0] = NULLCHAR;
3869 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3871 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3872 if(string[i] == ' ') { ranks++; files = 0; }
3874 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3877 for(j = 0; j <i; j++) board_chars[j] = string[j];
3878 board_chars[i] = '\0';
3881 n = sscanf(string, PATTERN, &to_play, &double_push,
3882 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3883 &gamenum, white, black, &relation, &basetime, &increment,
3884 &white_stren, &black_stren, &white_time, &black_time,
3885 &moveNum, str, elapsed_time, move_str, &ics_flip,
3889 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
3890 DisplayError(str, 0);
3894 /* Convert the move number to internal form */
3895 moveNum = (moveNum - 1) * 2;
3896 if (to_play == 'B') moveNum++;
3897 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3898 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3904 case RELATION_OBSERVING_PLAYED:
3905 case RELATION_OBSERVING_STATIC:
3906 if (gamenum == -1) {
3907 /* Old ICC buglet */
3908 relation = RELATION_OBSERVING_STATIC;
3910 newGameMode = IcsObserving;
3912 case RELATION_PLAYING_MYMOVE:
3913 case RELATION_PLAYING_NOTMYMOVE:
3915 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3916 IcsPlayingWhite : IcsPlayingBlack;
3918 case RELATION_EXAMINING:
3919 newGameMode = IcsExamining;
3921 case RELATION_ISOLATED_BOARD:
3923 /* Just display this board. If user was doing something else,
3924 we will forget about it until the next board comes. */
3925 newGameMode = IcsIdle;
3927 case RELATION_STARTING_POSITION:
3928 newGameMode = gameMode;
3932 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3933 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
3934 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3936 for (k = 0; k < ranks; k++) {
3937 for (j = 0; j < files; j++)
3938 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3939 if(gameInfo.holdingsWidth > 1) {
3940 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3941 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3944 CopyBoard(partnerBoard, board);
3945 if(toSqr = strchr(str, '/')) { // extract highlights from long move
3946 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
3947 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
3948 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
3949 if(toSqr = strchr(str, '-')) {
3950 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
3951 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
3952 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
3953 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
3954 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
3955 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3956 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
3957 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3958 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3959 DisplayMessage(partnerStatus, "");
3960 partnerBoardValid = TRUE;
3964 /* Modify behavior for initial board display on move listing
3967 switch (ics_getting_history) {
3971 case H_GOT_REQ_HEADER:
3972 case H_GOT_UNREQ_HEADER:
3973 /* This is the initial position of the current game */
3974 gamenum = ics_gamenum;
3975 moveNum = 0; /* old ICS bug workaround */
3976 if (to_play == 'B') {
3977 startedFromSetupPosition = TRUE;
3978 blackPlaysFirst = TRUE;
3980 if (forwardMostMove == 0) forwardMostMove = 1;
3981 if (backwardMostMove == 0) backwardMostMove = 1;
3982 if (currentMove == 0) currentMove = 1;
3984 newGameMode = gameMode;
3985 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3987 case H_GOT_UNWANTED_HEADER:
3988 /* This is an initial board that we don't want */
3990 case H_GETTING_MOVES:
3991 /* Should not happen */
3992 DisplayError(_("Error gathering move list: extra board"), 0);
3993 ics_getting_history = H_FALSE;
3997 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3998 weird && (int)gameInfo.variant < (int)VariantShogi) {
3999 /* [HGM] We seem to have switched variant unexpectedly
4000 * Try to guess new variant from board size
4002 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4003 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4004 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4005 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4006 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4007 if(!weird) newVariant = VariantNormal;
4008 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4009 /* Get a move list just to see the header, which
4010 will tell us whether this is really bug or zh */
4011 if (ics_getting_history == H_FALSE) {
4012 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4013 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4018 /* Take action if this is the first board of a new game, or of a
4019 different game than is currently being displayed. */
4020 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4021 relation == RELATION_ISOLATED_BOARD) {
4023 /* Forget the old game and get the history (if any) of the new one */
4024 if (gameMode != BeginningOfGame) {
4028 if (appData.autoRaiseBoard) BoardToTop();
4030 if (gamenum == -1) {
4031 newGameMode = IcsIdle;
4032 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4033 appData.getMoveList && !reqFlag) {
4034 /* Need to get game history */
4035 ics_getting_history = H_REQUESTED;
4036 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4040 /* Initially flip the board to have black on the bottom if playing
4041 black or if the ICS flip flag is set, but let the user change
4042 it with the Flip View button. */
4043 flipView = appData.autoFlipView ?
4044 (newGameMode == IcsPlayingBlack) || ics_flip :
4047 /* Done with values from previous mode; copy in new ones */
4048 gameMode = newGameMode;
4050 ics_gamenum = gamenum;
4051 if (gamenum == gs_gamenum) {
4052 int klen = strlen(gs_kind);
4053 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4054 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4055 gameInfo.event = StrSave(str);
4057 gameInfo.event = StrSave("ICS game");
4059 gameInfo.site = StrSave(appData.icsHost);
4060 gameInfo.date = PGNDate();
4061 gameInfo.round = StrSave("-");
4062 gameInfo.white = StrSave(white);
4063 gameInfo.black = StrSave(black);
4064 timeControl = basetime * 60 * 1000;
4066 timeIncrement = increment * 1000;
4067 movesPerSession = 0;
4068 gameInfo.timeControl = TimeControlTagValue();
4069 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4070 if (appData.debugMode) {
4071 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4072 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4073 setbuf(debugFP, NULL);
4076 gameInfo.outOfBook = NULL;
4078 /* Do we have the ratings? */
4079 if (strcmp(player1Name, white) == 0 &&
4080 strcmp(player2Name, black) == 0) {
4081 if (appData.debugMode)
4082 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4083 player1Rating, player2Rating);
4084 gameInfo.whiteRating = player1Rating;
4085 gameInfo.blackRating = player2Rating;
4086 } else if (strcmp(player2Name, white) == 0 &&
4087 strcmp(player1Name, black) == 0) {
4088 if (appData.debugMode)
4089 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4090 player2Rating, player1Rating);
4091 gameInfo.whiteRating = player2Rating;
4092 gameInfo.blackRating = player1Rating;
4094 player1Name[0] = player2Name[0] = NULLCHAR;
4096 /* Silence shouts if requested */
4097 if (appData.quietPlay &&
4098 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4099 SendToICS(ics_prefix);
4100 SendToICS("set shout 0\n");
4104 /* Deal with midgame name changes */
4106 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4107 if (gameInfo.white) free(gameInfo.white);
4108 gameInfo.white = StrSave(white);
4110 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4111 if (gameInfo.black) free(gameInfo.black);
4112 gameInfo.black = StrSave(black);
4116 /* Throw away game result if anything actually changes in examine mode */
4117 if (gameMode == IcsExamining && !newGame) {
4118 gameInfo.result = GameUnfinished;
4119 if (gameInfo.resultDetails != NULL) {
4120 free(gameInfo.resultDetails);
4121 gameInfo.resultDetails = NULL;
4125 /* In pausing && IcsExamining mode, we ignore boards coming
4126 in if they are in a different variation than we are. */
4127 if (pauseExamInvalid) return;
4128 if (pausing && gameMode == IcsExamining) {
4129 if (moveNum <= pauseExamForwardMostMove) {
4130 pauseExamInvalid = TRUE;
4131 forwardMostMove = pauseExamForwardMostMove;
4136 if (appData.debugMode) {
4137 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4139 /* Parse the board */
4140 for (k = 0; k < ranks; k++) {
4141 for (j = 0; j < files; j++)
4142 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4143 if(gameInfo.holdingsWidth > 1) {
4144 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4145 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4148 CopyBoard(boards[moveNum], board);
4149 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4151 startedFromSetupPosition =
4152 !CompareBoards(board, initialPosition);
4153 if(startedFromSetupPosition)
4154 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4157 /* [HGM] Set castling rights. Take the outermost Rooks,
4158 to make it also work for FRC opening positions. Note that board12
4159 is really defective for later FRC positions, as it has no way to
4160 indicate which Rook can castle if they are on the same side of King.
4161 For the initial position we grant rights to the outermost Rooks,
4162 and remember thos rights, and we then copy them on positions
4163 later in an FRC game. This means WB might not recognize castlings with
4164 Rooks that have moved back to their original position as illegal,
4165 but in ICS mode that is not its job anyway.
4167 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4168 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4170 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4171 if(board[0][i] == WhiteRook) j = i;
4172 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4173 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4174 if(board[0][i] == WhiteRook) j = i;
4175 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4176 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4177 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4178 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4179 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4180 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4181 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4183 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4184 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4185 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4186 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4187 if(board[BOARD_HEIGHT-1][k] == bKing)
4188 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4189 if(gameInfo.variant == VariantTwoKings) {
4190 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4191 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4192 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4195 r = boards[moveNum][CASTLING][0] = initialRights[0];
4196 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4197 r = boards[moveNum][CASTLING][1] = initialRights[1];
4198 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4199 r = boards[moveNum][CASTLING][3] = initialRights[3];
4200 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4201 r = boards[moveNum][CASTLING][4] = initialRights[4];
4202 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4203 /* wildcastle kludge: always assume King has rights */
4204 r = boards[moveNum][CASTLING][2] = initialRights[2];
4205 r = boards[moveNum][CASTLING][5] = initialRights[5];
4207 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4208 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4211 if (ics_getting_history == H_GOT_REQ_HEADER ||
4212 ics_getting_history == H_GOT_UNREQ_HEADER) {
4213 /* This was an initial position from a move list, not
4214 the current position */
4218 /* Update currentMove and known move number limits */
4219 newMove = newGame || moveNum > forwardMostMove;
4222 forwardMostMove = backwardMostMove = currentMove = moveNum;
4223 if (gameMode == IcsExamining && moveNum == 0) {
4224 /* Workaround for ICS limitation: we are not told the wild
4225 type when starting to examine a game. But if we ask for
4226 the move list, the move list header will tell us */
4227 ics_getting_history = H_REQUESTED;
4228 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4231 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4232 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4234 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4235 /* [HGM] applied this also to an engine that is silently watching */
4236 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4237 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4238 gameInfo.variant == currentlyInitializedVariant) {
4239 takeback = forwardMostMove - moveNum;
4240 for (i = 0; i < takeback; i++) {
4241 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4242 SendToProgram("undo\n", &first);
4247 forwardMostMove = moveNum;
4248 if (!pausing || currentMove > forwardMostMove)
4249 currentMove = forwardMostMove;
4251 /* New part of history that is not contiguous with old part */
4252 if (pausing && gameMode == IcsExamining) {
4253 pauseExamInvalid = TRUE;
4254 forwardMostMove = pauseExamForwardMostMove;
4257 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4259 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4260 // [HGM] when we will receive the move list we now request, it will be
4261 // fed to the engine from the first move on. So if the engine is not
4262 // in the initial position now, bring it there.
4263 InitChessProgram(&first, 0);
4266 ics_getting_history = H_REQUESTED;
4267 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4270 forwardMostMove = backwardMostMove = currentMove = moveNum;
4273 /* Update the clocks */
4274 if (strchr(elapsed_time, '.')) {
4276 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4277 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4279 /* Time is in seconds */
4280 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4281 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4286 if (appData.zippyPlay && newGame &&
4287 gameMode != IcsObserving && gameMode != IcsIdle &&
4288 gameMode != IcsExamining)
4289 ZippyFirstBoard(moveNum, basetime, increment);
4292 /* Put the move on the move list, first converting
4293 to canonical algebraic form. */
4295 if (appData.debugMode) {
4296 if (appData.debugMode) { int f = forwardMostMove;
4297 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4298 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4299 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4301 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4302 fprintf(debugFP, "moveNum = %d\n", moveNum);
4303 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4304 setbuf(debugFP, NULL);
4306 if (moveNum <= backwardMostMove) {
4307 /* We don't know what the board looked like before
4309 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4310 strcat(parseList[moveNum - 1], " ");
4311 strcat(parseList[moveNum - 1], elapsed_time);
4312 moveList[moveNum - 1][0] = NULLCHAR;
4313 } else if (strcmp(move_str, "none") == 0) {
4314 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4315 /* Again, we don't know what the board looked like;
4316 this is really the start of the game. */
4317 parseList[moveNum - 1][0] = NULLCHAR;
4318 moveList[moveNum - 1][0] = NULLCHAR;
4319 backwardMostMove = moveNum;
4320 startedFromSetupPosition = TRUE;
4321 fromX = fromY = toX = toY = -1;
4323 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4324 // So we parse the long-algebraic move string in stead of the SAN move
4325 int valid; char buf[MSG_SIZ], *prom;
4327 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4328 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4329 // str looks something like "Q/a1-a2"; kill the slash
4331 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4332 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4333 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4334 strcat(buf, prom); // long move lacks promo specification!
4335 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4336 if(appData.debugMode)
4337 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4338 safeStrCpy(move_str, buf, MSG_SIZ);
4340 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4341 &fromX, &fromY, &toX, &toY, &promoChar)
4342 || ParseOneMove(buf, moveNum - 1, &moveType,
4343 &fromX, &fromY, &toX, &toY, &promoChar);
4344 // end of long SAN patch
4346 (void) CoordsToAlgebraic(boards[moveNum - 1],
4347 PosFlags(moveNum - 1),
4348 fromY, fromX, toY, toX, promoChar,
4349 parseList[moveNum-1]);
4350 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4356 if(gameInfo.variant != VariantShogi)
4357 strcat(parseList[moveNum - 1], "+");
4360 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4361 strcat(parseList[moveNum - 1], "#");
4364 strcat(parseList[moveNum - 1], " ");
4365 strcat(parseList[moveNum - 1], elapsed_time);
4366 /* currentMoveString is set as a side-effect of ParseOneMove */
4367 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4368 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4369 strcat(moveList[moveNum - 1], "\n");
4371 if(gameInfo.holdingsWidth && !appData.disguise) // inherit info that ICS does not give from previous board
4372 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4373 ChessSquare old, new = boards[moveNum][k][j];
4374 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4375 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4376 if(old == new) continue;
4377 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4378 else if(new == WhiteWazir || new == BlackWazir) {
4379 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4380 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4381 else boards[moveNum][k][j] = old; // preserve type of Gold
4382 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4383 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4386 /* Move from ICS was illegal!? Punt. */
4387 if (appData.debugMode) {
4388 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4389 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4391 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4392 strcat(parseList[moveNum - 1], " ");
4393 strcat(parseList[moveNum - 1], elapsed_time);
4394 moveList[moveNum - 1][0] = NULLCHAR;
4395 fromX = fromY = toX = toY = -1;
4398 if (appData.debugMode) {
4399 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4400 setbuf(debugFP, NULL);
4404 /* Send move to chess program (BEFORE animating it). */
4405 if (appData.zippyPlay && !newGame && newMove &&
4406 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4408 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4409 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4410 if (moveList[moveNum - 1][0] == NULLCHAR) {
4411 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4413 DisplayError(str, 0);
4415 if (first.sendTime) {
4416 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4418 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4419 if (firstMove && !bookHit) {
4421 if (first.useColors) {
4422 SendToProgram(gameMode == IcsPlayingWhite ?
4424 "black\ngo\n", &first);
4426 SendToProgram("go\n", &first);
4428 first.maybeThinking = TRUE;
4431 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4432 if (moveList[moveNum - 1][0] == NULLCHAR) {
4433 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4434 DisplayError(str, 0);
4436 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4437 SendMoveToProgram(moveNum - 1, &first);
4444 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4445 /* If move comes from a remote source, animate it. If it
4446 isn't remote, it will have already been animated. */
4447 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4448 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4450 if (!pausing && appData.highlightLastMove) {
4451 SetHighlights(fromX, fromY, toX, toY);
4455 /* Start the clocks */
4456 whiteFlag = blackFlag = FALSE;
4457 appData.clockMode = !(basetime == 0 && increment == 0);
4459 ics_clock_paused = TRUE;
4461 } else if (ticking == 1) {
4462 ics_clock_paused = FALSE;
4464 if (gameMode == IcsIdle ||
4465 relation == RELATION_OBSERVING_STATIC ||
4466 relation == RELATION_EXAMINING ||
4468 DisplayBothClocks();
4472 /* Display opponents and material strengths */
4473 if (gameInfo.variant != VariantBughouse &&
4474 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4475 if (tinyLayout || smallLayout) {
4476 if(gameInfo.variant == VariantNormal)
4477 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4478 gameInfo.white, white_stren, gameInfo.black, black_stren,
4479 basetime, increment);
4481 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4482 gameInfo.white, white_stren, gameInfo.black, black_stren,
4483 basetime, increment, (int) gameInfo.variant);
4485 if(gameInfo.variant == VariantNormal)
4486 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4487 gameInfo.white, white_stren, gameInfo.black, black_stren,
4488 basetime, increment);
4490 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4491 gameInfo.white, white_stren, gameInfo.black, black_stren,
4492 basetime, increment, VariantName(gameInfo.variant));
4495 if (appData.debugMode) {
4496 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4501 /* Display the board */
4502 if (!pausing && !appData.noGUI) {
4504 if (appData.premove)
4506 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4507 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4508 ClearPremoveHighlights();
4510 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4511 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4512 DrawPosition(j, boards[currentMove]);
4514 DisplayMove(moveNum - 1);
4515 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4516 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4517 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4518 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4522 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4524 if(bookHit) { // [HGM] book: simulate book reply
4525 static char bookMove[MSG_SIZ]; // a bit generous?
4527 programStats.nodes = programStats.depth = programStats.time =
4528 programStats.score = programStats.got_only_move = 0;
4529 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4531 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4532 strcat(bookMove, bookHit);
4533 HandleMachineMove(bookMove, &first);
4542 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4543 ics_getting_history = H_REQUESTED;
4544 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4550 AnalysisPeriodicEvent(force)
4553 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4554 && !force) || !appData.periodicUpdates)
4557 /* Send . command to Crafty to collect stats */
4558 SendToProgram(".\n", &first);
4560 /* Don't send another until we get a response (this makes
4561 us stop sending to old Crafty's which don't understand
4562 the "." command (sending illegal cmds resets node count & time,
4563 which looks bad)) */
4564 programStats.ok_to_send = 0;
4567 void ics_update_width(new_width)
4570 ics_printf("set width %d\n", new_width);
4574 SendMoveToProgram(moveNum, cps)
4576 ChessProgramState *cps;
4580 if (cps->useUsermove) {
4581 SendToProgram("usermove ", cps);
4585 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4586 int len = space - parseList[moveNum];
4587 memcpy(buf, parseList[moveNum], len);
4589 buf[len] = NULLCHAR;
4591 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4593 SendToProgram(buf, cps);
4595 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4596 AlphaRank(moveList[moveNum], 4);
4597 SendToProgram(moveList[moveNum], cps);
4598 AlphaRank(moveList[moveNum], 4); // and back
4600 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4601 * the engine. It would be nice to have a better way to identify castle
4603 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4604 && cps->useOOCastle) {
4605 int fromX = moveList[moveNum][0] - AAA;
4606 int fromY = moveList[moveNum][1] - ONE;
4607 int toX = moveList[moveNum][2] - AAA;
4608 int toY = moveList[moveNum][3] - ONE;
4609 if((boards[moveNum][fromY][fromX] == WhiteKing
4610 && boards[moveNum][toY][toX] == WhiteRook)
4611 || (boards[moveNum][fromY][fromX] == BlackKing
4612 && boards[moveNum][toY][toX] == BlackRook)) {
4613 if(toX > fromX) SendToProgram("O-O\n", cps);
4614 else SendToProgram("O-O-O\n", cps);
4616 else SendToProgram(moveList[moveNum], cps);
4618 else SendToProgram(moveList[moveNum], cps);
4619 /* End of additions by Tord */
4622 /* [HGM] setting up the opening has brought engine in force mode! */
4623 /* Send 'go' if we are in a mode where machine should play. */
4624 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4625 (gameMode == TwoMachinesPlay ||
4627 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4629 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4630 SendToProgram("go\n", cps);
4631 if (appData.debugMode) {
4632 fprintf(debugFP, "(extra)\n");
4635 setboardSpoiledMachineBlack = 0;
4639 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4641 int fromX, fromY, toX, toY;
4644 char user_move[MSG_SIZ];
4648 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4649 (int)moveType, fromX, fromY, toX, toY);
4650 DisplayError(user_move + strlen("say "), 0);
4652 case WhiteKingSideCastle:
4653 case BlackKingSideCastle:
4654 case WhiteQueenSideCastleWild:
4655 case BlackQueenSideCastleWild:
4657 case WhiteHSideCastleFR:
4658 case BlackHSideCastleFR:
4660 snprintf(user_move, MSG_SIZ, "o-o\n");
4662 case WhiteQueenSideCastle:
4663 case BlackQueenSideCastle:
4664 case WhiteKingSideCastleWild:
4665 case BlackKingSideCastleWild:
4667 case WhiteASideCastleFR:
4668 case BlackASideCastleFR:
4670 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4672 case WhiteNonPromotion:
4673 case BlackNonPromotion:
4674 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4676 case WhitePromotion:
4677 case BlackPromotion:
4678 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4679 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4680 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4681 PieceToChar(WhiteFerz));
4682 else if(gameInfo.variant == VariantGreat)
4683 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4684 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4685 PieceToChar(WhiteMan));
4687 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4688 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4694 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4695 ToUpper(PieceToChar((ChessSquare) fromX)),
4696 AAA + toX, ONE + toY);
4698 case IllegalMove: /* could be a variant we don't quite understand */
4699 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
4701 case WhiteCapturesEnPassant:
4702 case BlackCapturesEnPassant:
4703 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
4704 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4707 SendToICS(user_move);
4708 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4709 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4714 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4715 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4716 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4717 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4718 DisplayError("You cannot do this while you are playing or observing", 0);
4721 if(gameMode != IcsExamining) { // is this ever not the case?
4722 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4724 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4725 snprintf(command,MSG_SIZ, "match %s", ics_handle);
4726 } else { // on FICS we must first go to general examine mode
4727 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
4729 if(gameInfo.variant != VariantNormal) {
4730 // try figure out wild number, as xboard names are not always valid on ICS
4731 for(i=1; i<=36; i++) {
4732 snprintf(buf, MSG_SIZ, "wild/%d", i);
4733 if(StringToVariant(buf) == gameInfo.variant) break;
4735 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
4736 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
4737 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
4738 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4739 SendToICS(ics_prefix);
4741 if(startedFromSetupPosition || backwardMostMove != 0) {
4742 fen = PositionToFEN(backwardMostMove, NULL);
4743 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4744 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
4746 } else { // FICS: everything has to set by separate bsetup commands
4747 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4748 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
4750 if(!WhiteOnMove(backwardMostMove)) {
4751 SendToICS("bsetup tomove black\n");
4753 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4754 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
4756 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4757 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
4759 i = boards[backwardMostMove][EP_STATUS];
4760 if(i >= 0) { // set e.p.
4761 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
4767 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4768 SendToICS("bsetup done\n"); // switch to normal examining.
4770 for(i = backwardMostMove; i<last; i++) {
4772 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
4775 SendToICS(ics_prefix);
4776 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4780 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4785 if (rf == DROP_RANK) {
4786 sprintf(move, "%c@%c%c\n",
4787 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4789 if (promoChar == 'x' || promoChar == NULLCHAR) {
4790 sprintf(move, "%c%c%c%c\n",
4791 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4793 sprintf(move, "%c%c%c%c%c\n",
4794 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4800 ProcessICSInitScript(f)
4805 while (fgets(buf, MSG_SIZ, f)) {
4806 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4813 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4815 AlphaRank(char *move, int n)
4817 // char *p = move, c; int x, y;
4819 if (appData.debugMode) {
4820 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4824 move[2]>='0' && move[2]<='9' &&
4825 move[3]>='a' && move[3]<='x' ) {
4827 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4828 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4830 if(move[0]>='0' && move[0]<='9' &&
4831 move[1]>='a' && move[1]<='x' &&
4832 move[2]>='0' && move[2]<='9' &&
4833 move[3]>='a' && move[3]<='x' ) {
4834 /* input move, Shogi -> normal */
4835 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4836 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4837 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4838 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4841 move[3]>='0' && move[3]<='9' &&
4842 move[2]>='a' && move[2]<='x' ) {
4844 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4845 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4848 move[0]>='a' && move[0]<='x' &&
4849 move[3]>='0' && move[3]<='9' &&
4850 move[2]>='a' && move[2]<='x' ) {
4851 /* output move, normal -> Shogi */
4852 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4853 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4854 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4855 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4856 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4858 if (appData.debugMode) {
4859 fprintf(debugFP, " out = '%s'\n", move);
4863 char yy_textstr[8000];
4865 /* Parser for moves from gnuchess, ICS, or user typein box */
4867 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4870 ChessMove *moveType;
4871 int *fromX, *fromY, *toX, *toY;
4874 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
4876 switch (*moveType) {
4877 case WhitePromotion:
4878 case BlackPromotion:
4879 case WhiteNonPromotion:
4880 case BlackNonPromotion:
4882 case WhiteCapturesEnPassant:
4883 case BlackCapturesEnPassant:
4884 case WhiteKingSideCastle:
4885 case WhiteQueenSideCastle:
4886 case BlackKingSideCastle:
4887 case BlackQueenSideCastle:
4888 case WhiteKingSideCastleWild:
4889 case WhiteQueenSideCastleWild:
4890 case BlackKingSideCastleWild:
4891 case BlackQueenSideCastleWild:
4892 /* Code added by Tord: */
4893 case WhiteHSideCastleFR:
4894 case WhiteASideCastleFR:
4895 case BlackHSideCastleFR:
4896 case BlackASideCastleFR:
4897 /* End of code added by Tord */
4898 case IllegalMove: /* bug or odd chess variant */
4899 *fromX = currentMoveString[0] - AAA;
4900 *fromY = currentMoveString[1] - ONE;
4901 *toX = currentMoveString[2] - AAA;
4902 *toY = currentMoveString[3] - ONE;
4903 *promoChar = currentMoveString[4];
4904 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4905 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4906 if (appData.debugMode) {
4907 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4909 *fromX = *fromY = *toX = *toY = 0;
4912 if (appData.testLegality) {
4913 return (*moveType != IllegalMove);
4915 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4916 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4921 *fromX = *moveType == WhiteDrop ?
4922 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4923 (int) CharToPiece(ToLower(currentMoveString[0]));
4925 *toX = currentMoveString[2] - AAA;
4926 *toY = currentMoveString[3] - ONE;
4927 *promoChar = NULLCHAR;
4931 case ImpossibleMove:
4941 if (appData.debugMode) {
4942 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4945 *fromX = *fromY = *toX = *toY = 0;
4946 *promoChar = NULLCHAR;
4953 ParsePV(char *pv, Boolean storeComments)
4954 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4955 int fromX, fromY, toX, toY; char promoChar;
4960 endPV = forwardMostMove;
4962 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
4963 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
4964 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4965 if(appData.debugMode){
4966 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
4968 if(!valid && nr == 0 &&
4969 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4970 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4971 // Hande case where played move is different from leading PV move
4972 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4973 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4974 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4975 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4976 endPV += 2; // if position different, keep this
4977 moveList[endPV-1][0] = fromX + AAA;
4978 moveList[endPV-1][1] = fromY + ONE;
4979 moveList[endPV-1][2] = toX + AAA;
4980 moveList[endPV-1][3] = toY + ONE;
4981 parseList[endPV-1][0] = NULLCHAR;
4982 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
4985 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
4986 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
4987 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
4988 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
4989 valid++; // allow comments in PV
4993 if(endPV+1 > framePtr) break; // no space, truncate
4996 CopyBoard(boards[endPV], boards[endPV-1]);
4997 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4998 moveList[endPV-1][0] = fromX + AAA;
4999 moveList[endPV-1][1] = fromY + ONE;
5000 moveList[endPV-1][2] = toX + AAA;
5001 moveList[endPV-1][3] = toY + ONE;
5002 moveList[endPV-1][4] = promoChar;
5003 moveList[endPV-1][5] = NULLCHAR;
5004 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5006 CoordsToAlgebraic(boards[endPV - 1],
5007 PosFlags(endPV - 1),
5008 fromY, fromX, toY, toX, promoChar,
5009 parseList[endPV - 1]);
5011 parseList[endPV-1][0] = NULLCHAR;
5013 currentMove = endPV;
5014 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5015 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5016 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5017 DrawPosition(TRUE, boards[currentMove]);
5020 static int lastX, lastY;
5023 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5028 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5029 lastX = x; lastY = y;
5030 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5032 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5033 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5035 do{ while(buf[index] && buf[index] != '\n') index++;
5036 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5038 ParsePV(buf+startPV, FALSE);
5039 *start = startPV; *end = index-1;
5044 LoadPV(int x, int y)
5045 { // called on right mouse click to load PV
5046 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5047 lastX = x; lastY = y;
5048 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
5055 if(endPV < 0) return;
5057 currentMove = forwardMostMove;
5058 ClearPremoveHighlights();
5059 DrawPosition(TRUE, boards[currentMove]);
5063 MovePV(int x, int y, int h)
5064 { // step through PV based on mouse coordinates (called on mouse move)
5065 int margin = h>>3, step = 0;
5067 if(endPV < 0) return;
5068 // we must somehow check if right button is still down (might be released off board!)
5069 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
5070 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
5071 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
5073 lastX = x; lastY = y;
5074 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5075 currentMove += step;
5076 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5077 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5078 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5079 DrawPosition(FALSE, boards[currentMove]);
5083 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5084 // All positions will have equal probability, but the current method will not provide a unique
5085 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5091 int piecesLeft[(int)BlackPawn];
5092 int seed, nrOfShuffles;
5094 void GetPositionNumber()
5095 { // sets global variable seed
5098 seed = appData.defaultFrcPosition;
5099 if(seed < 0) { // randomize based on time for negative FRC position numbers
5100 for(i=0; i<50; i++) seed += random();
5101 seed = random() ^ random() >> 8 ^ random() << 8;
5102 if(seed<0) seed = -seed;
5106 int put(Board board, int pieceType, int rank, int n, int shade)
5107 // put the piece on the (n-1)-th empty squares of the given shade
5111 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5112 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5113 board[rank][i] = (ChessSquare) pieceType;
5114 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5116 piecesLeft[pieceType]--;
5124 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5125 // calculate where the next piece goes, (any empty square), and put it there
5129 i = seed % squaresLeft[shade];
5130 nrOfShuffles *= squaresLeft[shade];
5131 seed /= squaresLeft[shade];
5132 put(board, pieceType, rank, i, shade);
5135 void AddTwoPieces(Board board, int pieceType, int rank)
5136 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5138 int i, n=squaresLeft[ANY], j=n-1, k;
5140 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5141 i = seed % k; // pick one
5144 while(i >= j) i -= j--;
5145 j = n - 1 - j; i += j;
5146 put(board, pieceType, rank, j, ANY);
5147 put(board, pieceType, rank, i, ANY);
5150 void SetUpShuffle(Board board, int number)
5154 GetPositionNumber(); nrOfShuffles = 1;
5156 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5157 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5158 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5160 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5162 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5163 p = (int) board[0][i];
5164 if(p < (int) BlackPawn) piecesLeft[p] ++;
5165 board[0][i] = EmptySquare;
5168 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5169 // shuffles restricted to allow normal castling put KRR first
5170 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5171 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5172 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5173 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5174 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5175 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5176 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5177 put(board, WhiteRook, 0, 0, ANY);
5178 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5181 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5182 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5183 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5184 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5185 while(piecesLeft[p] >= 2) {
5186 AddOnePiece(board, p, 0, LITE);
5187 AddOnePiece(board, p, 0, DARK);
5189 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5192 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5193 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5194 // but we leave King and Rooks for last, to possibly obey FRC restriction
5195 if(p == (int)WhiteRook) continue;
5196 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5197 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5200 // now everything is placed, except perhaps King (Unicorn) and Rooks
5202 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5203 // Last King gets castling rights
5204 while(piecesLeft[(int)WhiteUnicorn]) {
5205 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5206 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5209 while(piecesLeft[(int)WhiteKing]) {
5210 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5211 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5216 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5217 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5220 // Only Rooks can be left; simply place them all
5221 while(piecesLeft[(int)WhiteRook]) {
5222 i = put(board, WhiteRook, 0, 0, ANY);
5223 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5226 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5228 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5231 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5232 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5235 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5238 int SetCharTable( char *table, const char * map )
5239 /* [HGM] moved here from winboard.c because of its general usefulness */
5240 /* Basically a safe strcpy that uses the last character as King */
5242 int result = FALSE; int NrPieces;
5244 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5245 && NrPieces >= 12 && !(NrPieces&1)) {
5246 int i; /* [HGM] Accept even length from 12 to 34 */
5248 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5249 for( i=0; i<NrPieces/2-1; i++ ) {
5251 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5253 table[(int) WhiteKing] = map[NrPieces/2-1];
5254 table[(int) BlackKing] = map[NrPieces-1];
5262 void Prelude(Board board)
5263 { // [HGM] superchess: random selection of exo-pieces
5264 int i, j, k; ChessSquare p;
5265 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5267 GetPositionNumber(); // use FRC position number
5269 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5270 SetCharTable(pieceToChar, appData.pieceToCharTable);
5271 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5272 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5275 j = seed%4; seed /= 4;
5276 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5277 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5278 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5279 j = seed%3 + (seed%3 >= j); seed /= 3;
5280 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5281 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5282 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5283 j = seed%3; seed /= 3;
5284 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5285 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5286 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5287 j = seed%2 + (seed%2 >= j); seed /= 2;
5288 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5289 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5290 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5291 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5292 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5293 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5294 put(board, exoPieces[0], 0, 0, ANY);
5295 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5299 InitPosition(redraw)
5302 ChessSquare (* pieces)[BOARD_FILES];
5303 int i, j, pawnRow, overrule,
5304 oldx = gameInfo.boardWidth,
5305 oldy = gameInfo.boardHeight,
5306 oldh = gameInfo.holdingsWidth;
5309 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5311 /* [AS] Initialize pv info list [HGM] and game status */
5313 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5314 pvInfoList[i].depth = 0;
5315 boards[i][EP_STATUS] = EP_NONE;
5316 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5319 initialRulePlies = 0; /* 50-move counter start */
5321 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5322 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5326 /* [HGM] logic here is completely changed. In stead of full positions */
5327 /* the initialized data only consist of the two backranks. The switch */
5328 /* selects which one we will use, which is than copied to the Board */
5329 /* initialPosition, which for the rest is initialized by Pawns and */
5330 /* empty squares. This initial position is then copied to boards[0], */
5331 /* possibly after shuffling, so that it remains available. */
5333 gameInfo.holdingsWidth = 0; /* default board sizes */
5334 gameInfo.boardWidth = 8;
5335 gameInfo.boardHeight = 8;
5336 gameInfo.holdingsSize = 0;
5337 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5338 for(i=0; i<BOARD_FILES-2; i++)
5339 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5340 initialPosition[EP_STATUS] = EP_NONE;
5341 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5342 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5343 SetCharTable(pieceNickName, appData.pieceNickNames);
5344 else SetCharTable(pieceNickName, "............");
5347 switch (gameInfo.variant) {
5348 case VariantFischeRandom:
5349 shuffleOpenings = TRUE;
5352 case VariantShatranj:
5353 pieces = ShatranjArray;
5354 nrCastlingRights = 0;
5355 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5358 pieces = makrukArray;
5359 nrCastlingRights = 0;
5360 startedFromSetupPosition = TRUE;
5361 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5363 case VariantTwoKings:
5364 pieces = twoKingsArray;
5366 case VariantCapaRandom:
5367 shuffleOpenings = TRUE;
5368 case VariantCapablanca:
5369 pieces = CapablancaArray;
5370 gameInfo.boardWidth = 10;
5371 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5374 pieces = GothicArray;
5375 gameInfo.boardWidth = 10;
5376 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5379 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5380 gameInfo.holdingsSize = 7;
5383 pieces = JanusArray;
5384 gameInfo.boardWidth = 10;
5385 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5386 nrCastlingRights = 6;
5387 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5388 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5389 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5390 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5391 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5392 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5395 pieces = FalconArray;
5396 gameInfo.boardWidth = 10;
5397 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5399 case VariantXiangqi:
5400 pieces = XiangqiArray;
5401 gameInfo.boardWidth = 9;
5402 gameInfo.boardHeight = 10;
5403 nrCastlingRights = 0;
5404 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5407 pieces = ShogiArray;
5408 gameInfo.boardWidth = 9;
5409 gameInfo.boardHeight = 9;
5410 gameInfo.holdingsSize = 7;
5411 nrCastlingRights = 0;
5412 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5414 case VariantCourier:
5415 pieces = CourierArray;
5416 gameInfo.boardWidth = 12;
5417 nrCastlingRights = 0;
5418 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5420 case VariantKnightmate:
5421 pieces = KnightmateArray;
5422 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5424 case VariantSpartan:
5425 pieces = SpartanArray;
5426 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5429 pieces = fairyArray;
5430 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5433 pieces = GreatArray;
5434 gameInfo.boardWidth = 10;
5435 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5436 gameInfo.holdingsSize = 8;
5440 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5441 gameInfo.holdingsSize = 8;
5442 startedFromSetupPosition = TRUE;
5444 case VariantCrazyhouse:
5445 case VariantBughouse:
5447 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5448 gameInfo.holdingsSize = 5;
5450 case VariantWildCastle:
5452 /* !!?shuffle with kings guaranteed to be on d or e file */
5453 shuffleOpenings = 1;
5455 case VariantNoCastle:
5457 nrCastlingRights = 0;
5458 /* !!?unconstrained back-rank shuffle */
5459 shuffleOpenings = 1;
5464 if(appData.NrFiles >= 0) {
5465 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5466 gameInfo.boardWidth = appData.NrFiles;
5468 if(appData.NrRanks >= 0) {
5469 gameInfo.boardHeight = appData.NrRanks;
5471 if(appData.holdingsSize >= 0) {
5472 i = appData.holdingsSize;
5473 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5474 gameInfo.holdingsSize = i;
5476 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5477 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5478 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5480 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5481 if(pawnRow < 1) pawnRow = 1;
5482 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5484 /* User pieceToChar list overrules defaults */
5485 if(appData.pieceToCharTable != NULL)
5486 SetCharTable(pieceToChar, appData.pieceToCharTable);
5488 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5490 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5491 s = (ChessSquare) 0; /* account holding counts in guard band */
5492 for( i=0; i<BOARD_HEIGHT; i++ )
5493 initialPosition[i][j] = s;
5495 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5496 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5497 initialPosition[pawnRow][j] = WhitePawn;
5498 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5499 if(gameInfo.variant == VariantXiangqi) {
5501 initialPosition[pawnRow][j] =
5502 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5503 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5504 initialPosition[2][j] = WhiteCannon;
5505 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5509 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5511 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5514 initialPosition[1][j] = WhiteBishop;
5515 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5517 initialPosition[1][j] = WhiteRook;
5518 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5521 if( nrCastlingRights == -1) {
5522 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5523 /* This sets default castling rights from none to normal corners */
5524 /* Variants with other castling rights must set them themselves above */
5525 nrCastlingRights = 6;
5527 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5528 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5529 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5530 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5531 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5532 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5535 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5536 if(gameInfo.variant == VariantGreat) { // promotion commoners
5537 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5538 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5539 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5540 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5542 if( gameInfo.variant == VariantSChess ) {
5543 initialPosition[1][0] = BlackMarshall;
5544 initialPosition[2][0] = BlackAngel;
5545 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5546 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5547 initialPosition[1][1] = initialPosition[2][1] =
5548 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5550 if (appData.debugMode) {
5551 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5553 if(shuffleOpenings) {
5554 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5555 startedFromSetupPosition = TRUE;
5557 if(startedFromPositionFile) {
5558 /* [HGM] loadPos: use PositionFile for every new game */
5559 CopyBoard(initialPosition, filePosition);
5560 for(i=0; i<nrCastlingRights; i++)
5561 initialRights[i] = filePosition[CASTLING][i];
5562 startedFromSetupPosition = TRUE;
5565 CopyBoard(boards[0], initialPosition);
5567 if(oldx != gameInfo.boardWidth ||
5568 oldy != gameInfo.boardHeight ||
5569 oldv != gameInfo.variant ||
5570 oldh != gameInfo.holdingsWidth
5572 InitDrawingSizes(-2 ,0);
5574 oldv = gameInfo.variant;
5576 DrawPosition(TRUE, boards[currentMove]);
5580 SendBoard(cps, moveNum)
5581 ChessProgramState *cps;
5584 char message[MSG_SIZ];
5586 if (cps->useSetboard) {
5587 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5588 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
5589 SendToProgram(message, cps);
5595 /* Kludge to set black to move, avoiding the troublesome and now
5596 * deprecated "black" command.
5598 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
5599 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
5601 SendToProgram("edit\n", cps);
5602 SendToProgram("#\n", cps);
5603 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5604 bp = &boards[moveNum][i][BOARD_LEFT];
5605 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5606 if ((int) *bp < (int) BlackPawn) {
5607 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
5609 if(message[0] == '+' || message[0] == '~') {
5610 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5611 PieceToChar((ChessSquare)(DEMOTED *bp)),
5614 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5615 message[1] = BOARD_RGHT - 1 - j + '1';
5616 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5618 SendToProgram(message, cps);
5623 SendToProgram("c\n", cps);
5624 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5625 bp = &boards[moveNum][i][BOARD_LEFT];
5626 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5627 if (((int) *bp != (int) EmptySquare)
5628 && ((int) *bp >= (int) BlackPawn)) {
5629 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5631 if(message[0] == '+' || message[0] == '~') {
5632 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5633 PieceToChar((ChessSquare)(DEMOTED *bp)),
5636 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5637 message[1] = BOARD_RGHT - 1 - j + '1';
5638 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5640 SendToProgram(message, cps);
5645 SendToProgram(".\n", cps);
5647 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5650 static int autoQueen; // [HGM] oneclick
5653 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5655 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5656 /* [HGM] add Shogi promotions */
5657 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5662 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5663 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5665 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5666 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5669 piece = boards[currentMove][fromY][fromX];
5670 if(gameInfo.variant == VariantShogi) {
5671 promotionZoneSize = BOARD_HEIGHT/3;
5672 highestPromotingPiece = (int)WhiteFerz;
5673 } else if(gameInfo.variant == VariantMakruk) {
5674 promotionZoneSize = 3;
5677 // Treat Lance as Pawn when it is not representing Amazon
5678 if(gameInfo.variant != VariantSuper) {
5679 if(piece == WhiteLance) piece = WhitePawn; else
5680 if(piece == BlackLance) piece = BlackPawn;
5683 // next weed out all moves that do not touch the promotion zone at all
5684 if((int)piece >= BlackPawn) {
5685 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5687 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5689 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5690 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5693 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5695 // weed out mandatory Shogi promotions
5696 if(gameInfo.variant == VariantShogi) {
5697 if(piece >= BlackPawn) {
5698 if(toY == 0 && piece == BlackPawn ||
5699 toY == 0 && piece == BlackQueen ||
5700 toY <= 1 && piece == BlackKnight) {
5705 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5706 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5707 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5714 // weed out obviously illegal Pawn moves
5715 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5716 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5717 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5718 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5719 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5720 // note we are not allowed to test for valid (non-)capture, due to premove
5723 // we either have a choice what to promote to, or (in Shogi) whether to promote
5724 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5725 *promoChoice = PieceToChar(BlackFerz); // no choice
5728 // no sense asking what we must promote to if it is going to explode...
5729 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
5730 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
5733 if(autoQueen) { // predetermined
5734 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5735 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5736 else *promoChoice = PieceToChar(BlackQueen);
5740 // suppress promotion popup on illegal moves that are not premoves
5741 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5742 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5743 if(appData.testLegality && !premove) {
5744 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5745 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
5746 if(moveType != WhitePromotion && moveType != BlackPromotion)
5754 InPalace(row, column)
5756 { /* [HGM] for Xiangqi */
5757 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5758 column < (BOARD_WIDTH + 4)/2 &&
5759 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5764 PieceForSquare (x, y)
5768 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5771 return boards[currentMove][y][x];
5775 OKToStartUserMove(x, y)
5778 ChessSquare from_piece;
5781 if (matchMode) return FALSE;
5782 if (gameMode == EditPosition) return TRUE;
5784 if (x >= 0 && y >= 0)
5785 from_piece = boards[currentMove][y][x];
5787 from_piece = EmptySquare;
5789 if (from_piece == EmptySquare) return FALSE;
5791 white_piece = (int)from_piece >= (int)WhitePawn &&
5792 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5795 case PlayFromGameFile:
5797 case TwoMachinesPlay:
5805 case MachinePlaysWhite:
5806 case IcsPlayingBlack:
5807 if (appData.zippyPlay) return FALSE;
5809 DisplayMoveError(_("You are playing Black"));
5814 case MachinePlaysBlack:
5815 case IcsPlayingWhite:
5816 if (appData.zippyPlay) return FALSE;
5818 DisplayMoveError(_("You are playing White"));
5824 if (!white_piece && WhiteOnMove(currentMove)) {
5825 DisplayMoveError(_("It is White's turn"));
5828 if (white_piece && !WhiteOnMove(currentMove)) {
5829 DisplayMoveError(_("It is Black's turn"));
5832 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5833 /* Editing correspondence game history */
5834 /* Could disallow this or prompt for confirmation */
5839 case BeginningOfGame:
5840 if (appData.icsActive) return FALSE;
5841 if (!appData.noChessProgram) {
5843 DisplayMoveError(_("You are playing White"));
5850 if (!white_piece && WhiteOnMove(currentMove)) {
5851 DisplayMoveError(_("It is White's turn"));
5854 if (white_piece && !WhiteOnMove(currentMove)) {
5855 DisplayMoveError(_("It is Black's turn"));
5864 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5865 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5866 && gameMode != AnalyzeFile && gameMode != Training) {
5867 DisplayMoveError(_("Displayed position is not current"));
5874 OnlyMove(int *x, int *y, Boolean captures) {
5875 DisambiguateClosure cl;
5876 if (appData.zippyPlay) return FALSE;
5878 case MachinePlaysBlack:
5879 case IcsPlayingWhite:
5880 case BeginningOfGame:
5881 if(!WhiteOnMove(currentMove)) return FALSE;
5883 case MachinePlaysWhite:
5884 case IcsPlayingBlack:
5885 if(WhiteOnMove(currentMove)) return FALSE;
5892 cl.pieceIn = EmptySquare;
5897 cl.promoCharIn = NULLCHAR;
5898 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5899 if( cl.kind == NormalMove ||
5900 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5901 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5902 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5909 if(cl.kind != ImpossibleMove) return FALSE;
5910 cl.pieceIn = EmptySquare;
5915 cl.promoCharIn = NULLCHAR;
5916 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5917 if( cl.kind == NormalMove ||
5918 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5919 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5920 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5925 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5931 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5932 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5933 int lastLoadGameUseList = FALSE;
5934 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5935 ChessMove lastLoadGameStart = EndOfFile;
5938 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5939 int fromX, fromY, toX, toY;
5943 ChessSquare pdown, pup;
5945 /* Check if the user is playing in turn. This is complicated because we
5946 let the user "pick up" a piece before it is his turn. So the piece he
5947 tried to pick up may have been captured by the time he puts it down!
5948 Therefore we use the color the user is supposed to be playing in this
5949 test, not the color of the piece that is currently on the starting
5950 square---except in EditGame mode, where the user is playing both
5951 sides; fortunately there the capture race can't happen. (It can
5952 now happen in IcsExamining mode, but that's just too bad. The user
5953 will get a somewhat confusing message in that case.)
5957 case PlayFromGameFile:
5959 case TwoMachinesPlay:
5963 /* We switched into a game mode where moves are not accepted,
5964 perhaps while the mouse button was down. */
5967 case MachinePlaysWhite:
5968 /* User is moving for Black */
5969 if (WhiteOnMove(currentMove)) {
5970 DisplayMoveError(_("It is White's turn"));
5975 case MachinePlaysBlack:
5976 /* User is moving for White */
5977 if (!WhiteOnMove(currentMove)) {
5978 DisplayMoveError(_("It is Black's turn"));
5985 case BeginningOfGame:
5988 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
5989 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5990 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5991 /* User is moving for Black */
5992 if (WhiteOnMove(currentMove)) {
5993 DisplayMoveError(_("It is White's turn"));
5997 /* User is moving for White */
5998 if (!WhiteOnMove(currentMove)) {
5999 DisplayMoveError(_("It is Black's turn"));
6005 case IcsPlayingBlack:
6006 /* User is moving for Black */
6007 if (WhiteOnMove(currentMove)) {
6008 if (!appData.premove) {
6009 DisplayMoveError(_("It is White's turn"));
6010 } else if (toX >= 0 && toY >= 0) {
6013 premoveFromX = fromX;
6014 premoveFromY = fromY;
6015 premovePromoChar = promoChar;
6017 if (appData.debugMode)
6018 fprintf(debugFP, "Got premove: fromX %d,"
6019 "fromY %d, toX %d, toY %d\n",
6020 fromX, fromY, toX, toY);
6026 case IcsPlayingWhite:
6027 /* User is moving for White */
6028 if (!WhiteOnMove(currentMove)) {
6029 if (!appData.premove) {
6030 DisplayMoveError(_("It is Black's turn"));
6031 } else if (toX >= 0 && toY >= 0) {
6034 premoveFromX = fromX;
6035 premoveFromY = fromY;
6036 premovePromoChar = promoChar;
6038 if (appData.debugMode)
6039 fprintf(debugFP, "Got premove: fromX %d,"
6040 "fromY %d, toX %d, toY %d\n",
6041 fromX, fromY, toX, toY);
6051 /* EditPosition, empty square, or different color piece;
6052 click-click move is possible */
6053 if (toX == -2 || toY == -2) {
6054 boards[0][fromY][fromX] = EmptySquare;
6055 DrawPosition(FALSE, boards[currentMove]);
6057 } else if (toX >= 0 && toY >= 0) {
6058 boards[0][toY][toX] = boards[0][fromY][fromX];
6059 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6060 if(boards[0][fromY][0] != EmptySquare) {
6061 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6062 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6065 if(fromX == BOARD_RGHT+1) {
6066 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6067 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6068 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6071 boards[0][fromY][fromX] = EmptySquare;
6072 DrawPosition(FALSE, boards[currentMove]);
6078 if(toX < 0 || toY < 0) return;
6079 pdown = boards[currentMove][fromY][fromX];
6080 pup = boards[currentMove][toY][toX];
6082 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6083 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6084 if( pup != EmptySquare ) return;
6085 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6086 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6087 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6088 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6089 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6090 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6091 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6095 /* [HGM] always test for legality, to get promotion info */
6096 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6097 fromY, fromX, toY, toX, promoChar);
6098 /* [HGM] but possibly ignore an IllegalMove result */
6099 if (appData.testLegality) {
6100 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6101 DisplayMoveError(_("Illegal move"));
6106 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6109 /* Common tail of UserMoveEvent and DropMenuEvent */
6111 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6113 int fromX, fromY, toX, toY;
6114 /*char*/int promoChar;
6118 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6119 // [HGM] superchess: suppress promotions to non-available piece
6120 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6121 if(WhiteOnMove(currentMove)) {
6122 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6124 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6128 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6129 move type in caller when we know the move is a legal promotion */
6130 if(moveType == NormalMove && promoChar)
6131 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6133 /* [HGM] <popupFix> The following if has been moved here from
6134 UserMoveEvent(). Because it seemed to belong here (why not allow
6135 piece drops in training games?), and because it can only be
6136 performed after it is known to what we promote. */
6137 if (gameMode == Training) {
6138 /* compare the move played on the board to the next move in the
6139 * game. If they match, display the move and the opponent's response.
6140 * If they don't match, display an error message.
6144 CopyBoard(testBoard, boards[currentMove]);
6145 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6147 if (CompareBoards(testBoard, boards[currentMove+1])) {
6148 ForwardInner(currentMove+1);
6150 /* Autoplay the opponent's response.
6151 * if appData.animate was TRUE when Training mode was entered,
6152 * the response will be animated.
6154 saveAnimate = appData.animate;
6155 appData.animate = animateTraining;
6156 ForwardInner(currentMove+1);
6157 appData.animate = saveAnimate;
6159 /* check for the end of the game */
6160 if (currentMove >= forwardMostMove) {
6161 gameMode = PlayFromGameFile;
6163 SetTrainingModeOff();
6164 DisplayInformation(_("End of game"));
6167 DisplayError(_("Incorrect move"), 0);
6172 /* Ok, now we know that the move is good, so we can kill
6173 the previous line in Analysis Mode */
6174 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6175 && currentMove < forwardMostMove) {
6176 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6177 else forwardMostMove = currentMove;
6180 /* If we need the chess program but it's dead, restart it */
6181 ResurrectChessProgram();
6183 /* A user move restarts a paused game*/
6187 thinkOutput[0] = NULLCHAR;
6189 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6191 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6193 if (gameMode == BeginningOfGame) {
6194 if (appData.noChessProgram) {
6195 gameMode = EditGame;
6199 gameMode = MachinePlaysBlack;
6202 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6204 if (first.sendName) {
6205 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6206 SendToProgram(buf, &first);
6213 /* Relay move to ICS or chess engine */
6214 if (appData.icsActive) {
6215 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6216 gameMode == IcsExamining) {
6217 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6218 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6220 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6222 // also send plain move, in case ICS does not understand atomic claims
6223 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6227 if (first.sendTime && (gameMode == BeginningOfGame ||
6228 gameMode == MachinePlaysWhite ||
6229 gameMode == MachinePlaysBlack)) {
6230 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6232 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6233 // [HGM] book: if program might be playing, let it use book
6234 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6235 first.maybeThinking = TRUE;
6236 } else SendMoveToProgram(forwardMostMove-1, &first);
6237 if (currentMove == cmailOldMove + 1) {
6238 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6242 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6246 if(appData.testLegality)
6247 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6253 if (WhiteOnMove(currentMove)) {
6254 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6256 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6260 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6265 case MachinePlaysBlack:
6266 case MachinePlaysWhite:
6267 /* disable certain menu options while machine is thinking */
6268 SetMachineThinkingEnables();
6275 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6277 if(bookHit) { // [HGM] book: simulate book reply
6278 static char bookMove[MSG_SIZ]; // a bit generous?
6280 programStats.nodes = programStats.depth = programStats.time =
6281 programStats.score = programStats.got_only_move = 0;
6282 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6284 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6285 strcat(bookMove, bookHit);
6286 HandleMachineMove(bookMove, &first);
6292 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6299 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6300 Markers *m = (Markers *) closure;
6301 if(rf == fromY && ff == fromX)
6302 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6303 || kind == WhiteCapturesEnPassant
6304 || kind == BlackCapturesEnPassant);
6305 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6309 MarkTargetSquares(int clear)
6312 if(!appData.markers || !appData.highlightDragging ||
6313 !appData.testLegality || gameMode == EditPosition) return;
6315 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6318 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6319 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6320 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6322 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6325 DrawPosition(TRUE, NULL);
6329 Explode(Board board, int fromX, int fromY, int toX, int toY)
6331 if(gameInfo.variant == VariantAtomic &&
6332 (board[toY][toX] != EmptySquare || // capture?
6333 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6334 board[fromY][fromX] == BlackPawn )
6336 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6342 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6344 void LeftClick(ClickType clickType, int xPix, int yPix)
6347 Boolean saveAnimate;
6348 static int second = 0, promotionChoice = 0, dragging = 0;
6349 char promoChoice = NULLCHAR;
6351 if(appData.seekGraph && appData.icsActive && loggedOn &&
6352 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6353 SeekGraphClick(clickType, xPix, yPix, 0);
6357 if (clickType == Press) ErrorPopDown();
6358 MarkTargetSquares(1);
6360 x = EventToSquare(xPix, BOARD_WIDTH);
6361 y = EventToSquare(yPix, BOARD_HEIGHT);
6362 if (!flipView && y >= 0) {
6363 y = BOARD_HEIGHT - 1 - y;
6365 if (flipView && x >= 0) {
6366 x = BOARD_WIDTH - 1 - x;
6369 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6370 if(clickType == Release) return; // ignore upclick of click-click destination
6371 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6372 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6373 if(gameInfo.holdingsWidth &&
6374 (WhiteOnMove(currentMove)
6375 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6376 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6377 // click in right holdings, for determining promotion piece
6378 ChessSquare p = boards[currentMove][y][x];
6379 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6380 if(p != EmptySquare) {
6381 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6386 DrawPosition(FALSE, boards[currentMove]);
6390 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6391 if(clickType == Press
6392 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6393 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6394 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6397 autoQueen = appData.alwaysPromoteToQueen;
6400 gatingPiece = EmptySquare;
6401 if (clickType != Press) {
6402 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6403 DragPieceEnd(xPix, yPix); dragging = 0;
6404 DrawPosition(FALSE, NULL);
6408 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6410 if (OKToStartUserMove(x, y)) {
6414 MarkTargetSquares(0);
6415 DragPieceBegin(xPix, yPix); dragging = 1;
6416 if (appData.highlightDragging) {
6417 SetHighlights(x, y, -1, -1);
6425 if (clickType == Press && gameMode != EditPosition) {
6430 // ignore off-board to clicks
6431 if(y < 0 || x < 0) return;
6433 /* Check if clicking again on the same color piece */
6434 fromP = boards[currentMove][fromY][fromX];
6435 toP = boards[currentMove][y][x];
6436 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6437 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6438 WhitePawn <= toP && toP <= WhiteKing &&
6439 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6440 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6441 (BlackPawn <= fromP && fromP <= BlackKing &&
6442 BlackPawn <= toP && toP <= BlackKing &&
6443 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6444 !(fromP == BlackKing && toP == BlackRook && frc))) {
6445 /* Clicked again on same color piece -- changed his mind */
6446 second = (x == fromX && y == fromY);
6447 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6448 if (appData.highlightDragging) {
6449 SetHighlights(x, y, -1, -1);
6453 if (OKToStartUserMove(x, y)) {
6454 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6455 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6456 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6457 gatingPiece = boards[currentMove][fromY][fromX];
6458 else gatingPiece = EmptySquare;
6460 fromY = y; dragging = 1;
6461 MarkTargetSquares(0);
6462 DragPieceBegin(xPix, yPix);
6465 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6468 // ignore clicks on holdings
6469 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6472 if (clickType == Release && x == fromX && y == fromY) {
6473 DragPieceEnd(xPix, yPix); dragging = 0;
6474 if (appData.animateDragging) {
6475 /* Undo animation damage if any */
6476 DrawPosition(FALSE, NULL);
6479 /* Second up/down in same square; just abort move */
6482 gatingPiece = EmptySquare;
6485 ClearPremoveHighlights();
6487 /* First upclick in same square; start click-click mode */
6488 SetHighlights(x, y, -1, -1);
6493 /* we now have a different from- and (possibly off-board) to-square */
6494 /* Completed move */
6497 saveAnimate = appData.animate;
6498 if (clickType == Press) {
6499 /* Finish clickclick move */
6500 if (appData.animate || appData.highlightLastMove) {
6501 SetHighlights(fromX, fromY, toX, toY);
6506 /* Finish drag move */
6507 if (appData.highlightLastMove) {
6508 SetHighlights(fromX, fromY, toX, toY);
6512 DragPieceEnd(xPix, yPix); dragging = 0;
6513 /* Don't animate move and drag both */
6514 appData.animate = FALSE;
6517 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6518 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6519 ChessSquare piece = boards[currentMove][fromY][fromX];
6520 if(gameMode == EditPosition && piece != EmptySquare &&
6521 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6524 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6525 n = PieceToNumber(piece - (int)BlackPawn);
6526 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6527 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6528 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6530 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6531 n = PieceToNumber(piece);
6532 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6533 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6534 boards[currentMove][n][BOARD_WIDTH-2]++;
6536 boards[currentMove][fromY][fromX] = EmptySquare;
6540 DrawPosition(TRUE, boards[currentMove]);
6544 // off-board moves should not be highlighted
6545 if(x < 0 || y < 0) ClearHighlights();
6547 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
6549 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6550 SetHighlights(fromX, fromY, toX, toY);
6551 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6552 // [HGM] super: promotion to captured piece selected from holdings
6553 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6554 promotionChoice = TRUE;
6555 // kludge follows to temporarily execute move on display, without promoting yet
6556 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6557 boards[currentMove][toY][toX] = p;
6558 DrawPosition(FALSE, boards[currentMove]);
6559 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6560 boards[currentMove][toY][toX] = q;
6561 DisplayMessage("Click in holdings to choose piece", "");
6566 int oldMove = currentMove;
6567 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6568 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6569 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6570 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
6571 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
6572 DrawPosition(TRUE, boards[currentMove]);
6575 appData.animate = saveAnimate;
6576 if (appData.animate || appData.animateDragging) {
6577 /* Undo animation damage if needed */
6578 DrawPosition(FALSE, NULL);
6582 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6583 { // front-end-free part taken out of PieceMenuPopup
6584 int whichMenu; int xSqr, ySqr;
6586 if(seekGraphUp) { // [HGM] seekgraph
6587 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6588 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6592 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6593 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6594 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6595 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6596 if(action == Press) {
6597 originalFlip = flipView;
6598 flipView = !flipView; // temporarily flip board to see game from partners perspective
6599 DrawPosition(TRUE, partnerBoard);
6600 DisplayMessage(partnerStatus, "");
6602 } else if(action == Release) {
6603 flipView = originalFlip;
6604 DrawPosition(TRUE, boards[currentMove]);
6610 xSqr = EventToSquare(x, BOARD_WIDTH);
6611 ySqr = EventToSquare(y, BOARD_HEIGHT);
6612 if (action == Release) UnLoadPV(); // [HGM] pv
6613 if (action != Press) return -2; // return code to be ignored
6616 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6618 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6619 if (xSqr < 0 || ySqr < 0) return -1;
\r
6620 whichMenu = 0; // edit-position menu
6623 if(!appData.icsEngineAnalyze) return -1;
6624 case IcsPlayingWhite:
6625 case IcsPlayingBlack:
6626 if(!appData.zippyPlay) goto noZip;
6629 case MachinePlaysWhite:
6630 case MachinePlaysBlack:
6631 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6632 if (!appData.dropMenu) {
6634 return 2; // flag front-end to grab mouse events
6636 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6637 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6640 if (xSqr < 0 || ySqr < 0) return -1;
6641 if (!appData.dropMenu || appData.testLegality &&
6642 gameInfo.variant != VariantBughouse &&
6643 gameInfo.variant != VariantCrazyhouse) return -1;
6644 whichMenu = 1; // drop menu
6650 if (((*fromX = xSqr) < 0) ||
6651 ((*fromY = ySqr) < 0)) {
6652 *fromX = *fromY = -1;
6656 *fromX = BOARD_WIDTH - 1 - *fromX;
6658 *fromY = BOARD_HEIGHT - 1 - *fromY;
6663 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6665 // char * hint = lastHint;
6666 FrontEndProgramStats stats;
6668 stats.which = cps == &first ? 0 : 1;
6669 stats.depth = cpstats->depth;
6670 stats.nodes = cpstats->nodes;
6671 stats.score = cpstats->score;
6672 stats.time = cpstats->time;
6673 stats.pv = cpstats->movelist;
6674 stats.hint = lastHint;
6675 stats.an_move_index = 0;
6676 stats.an_move_count = 0;
6678 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6679 stats.hint = cpstats->move_name;
6680 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6681 stats.an_move_count = cpstats->nr_moves;
6684 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
6686 SetProgramStats( &stats );
6690 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6691 { // count all piece types
6693 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6694 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6695 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6698 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6699 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6700 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6701 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6702 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6703 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6708 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6710 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6711 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6713 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6714 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6715 if(myPawns == 2 && nMine == 3) // KPP
6716 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6717 if(myPawns == 1 && nMine == 2) // KP
6718 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6719 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6720 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6721 if(myPawns) return FALSE;
6722 if(pCnt[WhiteRook+side])
6723 return pCnt[BlackRook-side] ||
6724 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6725 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6726 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6727 if(pCnt[WhiteCannon+side]) {
6728 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6729 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6731 if(pCnt[WhiteKnight+side])
6732 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6737 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6739 VariantClass v = gameInfo.variant;
6741 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6742 if(v == VariantShatranj) return TRUE; // always winnable through baring
6743 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6744 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6746 if(v == VariantXiangqi) {
6747 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6749 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6750 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6751 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6752 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6753 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6754 if(stale) // we have at least one last-rank P plus perhaps C
6755 return majors // KPKX
6756 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6758 return pCnt[WhiteFerz+side] // KCAK
6759 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6760 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6761 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6763 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6764 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6766 if(nMine == 1) return FALSE; // bare King
6767 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
6768 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6769 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6770 // by now we have King + 1 piece (or multiple Bishops on the same color)
6771 if(pCnt[WhiteKnight+side])
6772 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6773 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6774 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6776 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6777 if(pCnt[WhiteAlfil+side])
6778 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6779 if(pCnt[WhiteWazir+side])
6780 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6787 Adjudicate(ChessProgramState *cps)
6788 { // [HGM] some adjudications useful with buggy engines
6789 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6790 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6791 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6792 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6793 int k, count = 0; static int bare = 1;
6794 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6795 Boolean canAdjudicate = !appData.icsActive;
6797 // most tests only when we understand the game, i.e. legality-checking on
6798 if( appData.testLegality )
6799 { /* [HGM] Some more adjudications for obstinate engines */
6800 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6801 static int moveCount = 6;
6803 char *reason = NULL;
6805 /* Count what is on board. */
6806 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6808 /* Some material-based adjudications that have to be made before stalemate test */
6809 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6810 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6811 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6812 if(canAdjudicate && appData.checkMates) {
6814 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6815 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6816 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6817 "Xboard adjudication: King destroyed", GE_XBOARD );
6822 /* Bare King in Shatranj (loses) or Losers (wins) */
6823 if( nrW == 1 || nrB == 1) {
6824 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6825 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6826 if(canAdjudicate && appData.checkMates) {
6828 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6829 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6830 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6831 "Xboard adjudication: Bare king", GE_XBOARD );
6835 if( gameInfo.variant == VariantShatranj && --bare < 0)
6837 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6838 if(canAdjudicate && appData.checkMates) {
6839 /* but only adjudicate if adjudication enabled */
6841 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6842 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6843 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6844 "Xboard adjudication: Bare king", GE_XBOARD );
6851 // don't wait for engine to announce game end if we can judge ourselves
6852 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6854 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6855 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6856 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6857 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6860 reason = "Xboard adjudication: 3rd check";
6861 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6871 reason = "Xboard adjudication: Stalemate";
6872 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6873 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6874 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6875 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6876 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6877 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6878 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6879 EP_CHECKMATE : EP_WINS);
6880 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6881 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6885 reason = "Xboard adjudication: Checkmate";
6886 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6890 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6892 result = GameIsDrawn; break;
6894 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6896 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6900 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6902 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6903 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6904 GameEnds( result, reason, GE_XBOARD );
6908 /* Next absolutely insufficient mating material. */
6909 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6910 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6911 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6913 /* always flag draws, for judging claims */
6914 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6916 if(canAdjudicate && appData.materialDraws) {
6917 /* but only adjudicate them if adjudication enabled */
6918 if(engineOpponent) {
6919 SendToProgram("force\n", engineOpponent); // suppress reply
6920 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6922 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6923 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6928 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6929 if(gameInfo.variant == VariantXiangqi ?
6930 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6932 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6933 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6934 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6935 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6937 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6938 { /* if the first 3 moves do not show a tactical win, declare draw */
6939 if(engineOpponent) {
6940 SendToProgram("force\n", engineOpponent); // suppress reply
6941 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6943 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6944 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6947 } else moveCount = 6;
6949 if (appData.debugMode) { int i;
6950 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6951 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6952 appData.drawRepeats);
6953 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6954 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6958 // Repetition draws and 50-move rule can be applied independently of legality testing
6960 /* Check for rep-draws */
6962 for(k = forwardMostMove-2;
6963 k>=backwardMostMove && k>=forwardMostMove-100 &&
6964 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6965 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6968 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6969 /* compare castling rights */
6970 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6971 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6972 rights++; /* King lost rights, while rook still had them */
6973 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6974 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6975 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6976 rights++; /* but at least one rook lost them */
6978 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6979 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6981 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6982 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6983 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6986 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6987 && appData.drawRepeats > 1) {
6988 /* adjudicate after user-specified nr of repeats */
6989 int result = GameIsDrawn;
6990 char *details = "XBoard adjudication: repetition draw";
6991 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6992 // [HGM] xiangqi: check for forbidden perpetuals
6993 int m, ourPerpetual = 1, hisPerpetual = 1;
6994 for(m=forwardMostMove; m>k; m-=2) {
6995 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6996 ourPerpetual = 0; // the current mover did not always check
6997 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6998 hisPerpetual = 0; // the opponent did not always check
7000 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7001 ourPerpetual, hisPerpetual);
7002 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7003 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7004 details = "Xboard adjudication: perpetual checking";
7006 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7007 break; // (or we would have caught him before). Abort repetition-checking loop.
7009 // Now check for perpetual chases
7010 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7011 hisPerpetual = PerpetualChase(k, forwardMostMove);
7012 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7013 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7014 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7015 details = "Xboard adjudication: perpetual chasing";
7017 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7018 break; // Abort repetition-checking loop.
7020 // if neither of us is checking or chasing all the time, or both are, it is draw
7022 if(engineOpponent) {
7023 SendToProgram("force\n", engineOpponent); // suppress reply
7024 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7026 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7027 GameEnds( result, details, GE_XBOARD );
7030 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7031 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7035 /* Now we test for 50-move draws. Determine ply count */
7036 count = forwardMostMove;
7037 /* look for last irreversble move */
7038 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7040 /* if we hit starting position, add initial plies */
7041 if( count == backwardMostMove )
7042 count -= initialRulePlies;
7043 count = forwardMostMove - count;
7044 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7045 // adjust reversible move counter for checks in Xiangqi
7046 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7047 if(i < backwardMostMove) i = backwardMostMove;
7048 while(i <= forwardMostMove) {
7049 lastCheck = inCheck; // check evasion does not count
7050 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7051 if(inCheck || lastCheck) count--; // check does not count
7056 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7057 /* this is used to judge if draw claims are legal */
7058 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7059 if(engineOpponent) {
7060 SendToProgram("force\n", engineOpponent); // suppress reply
7061 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7063 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7064 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7068 /* if draw offer is pending, treat it as a draw claim
7069 * when draw condition present, to allow engines a way to
7070 * claim draws before making their move to avoid a race
7071 * condition occurring after their move
7073 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7075 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7076 p = "Draw claim: 50-move rule";
7077 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7078 p = "Draw claim: 3-fold repetition";
7079 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7080 p = "Draw claim: insufficient mating material";
7081 if( p != NULL && canAdjudicate) {
7082 if(engineOpponent) {
7083 SendToProgram("force\n", engineOpponent); // suppress reply
7084 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7086 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7087 GameEnds( GameIsDrawn, p, GE_XBOARD );
7092 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7093 if(engineOpponent) {
7094 SendToProgram("force\n", engineOpponent); // suppress reply
7095 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7097 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7098 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7104 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7105 { // [HGM] book: this routine intercepts moves to simulate book replies
7106 char *bookHit = NULL;
7108 //first determine if the incoming move brings opponent into his book
7109 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7110 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7111 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7112 if(bookHit != NULL && !cps->bookSuspend) {
7113 // make sure opponent is not going to reply after receiving move to book position
7114 SendToProgram("force\n", cps);
7115 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7117 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7118 // now arrange restart after book miss
7120 // after a book hit we never send 'go', and the code after the call to this routine
7121 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7123 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7124 SendToProgram(buf, cps);
7125 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7126 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7127 SendToProgram("go\n", cps);
7128 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7129 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7130 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7131 SendToProgram("go\n", cps);
7132 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7134 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7138 ChessProgramState *savedState;
7139 void DeferredBookMove(void)
7141 if(savedState->lastPing != savedState->lastPong)
7142 ScheduleDelayedEvent(DeferredBookMove, 10);
7144 HandleMachineMove(savedMessage, savedState);
7148 HandleMachineMove(message, cps)
7150 ChessProgramState *cps;
7152 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7153 char realname[MSG_SIZ];
7154 int fromX, fromY, toX, toY;
7163 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7165 * Kludge to ignore BEL characters
7167 while (*message == '\007') message++;
7170 * [HGM] engine debug message: ignore lines starting with '#' character
7172 if(cps->debug && *message == '#') return;
7175 * Look for book output
7177 if (cps == &first && bookRequested) {
7178 if (message[0] == '\t' || message[0] == ' ') {
7179 /* Part of the book output is here; append it */
7180 strcat(bookOutput, message);
7181 strcat(bookOutput, " \n");
7183 } else if (bookOutput[0] != NULLCHAR) {
7184 /* All of book output has arrived; display it */
7185 char *p = bookOutput;
7186 while (*p != NULLCHAR) {
7187 if (*p == '\t') *p = ' ';
7190 DisplayInformation(bookOutput);
7191 bookRequested = FALSE;
7192 /* Fall through to parse the current output */
7197 * Look for machine move.
7199 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7200 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7202 /* This method is only useful on engines that support ping */
7203 if (cps->lastPing != cps->lastPong) {
7204 if (gameMode == BeginningOfGame) {
7205 /* Extra move from before last new; ignore */
7206 if (appData.debugMode) {
7207 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7210 if (appData.debugMode) {
7211 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7212 cps->which, gameMode);
7215 SendToProgram("undo\n", cps);
7221 case BeginningOfGame:
7222 /* Extra move from before last reset; ignore */
7223 if (appData.debugMode) {
7224 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7231 /* Extra move after we tried to stop. The mode test is
7232 not a reliable way of detecting this problem, but it's
7233 the best we can do on engines that don't support ping.
7235 if (appData.debugMode) {
7236 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7237 cps->which, gameMode);
7239 SendToProgram("undo\n", cps);
7242 case MachinePlaysWhite:
7243 case IcsPlayingWhite:
7244 machineWhite = TRUE;
7247 case MachinePlaysBlack:
7248 case IcsPlayingBlack:
7249 machineWhite = FALSE;
7252 case TwoMachinesPlay:
7253 machineWhite = (cps->twoMachinesColor[0] == 'w');
7256 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7257 if (appData.debugMode) {
7259 "Ignoring move out of turn by %s, gameMode %d"
7260 ", forwardMost %d\n",
7261 cps->which, gameMode, forwardMostMove);
7266 if (appData.debugMode) { int f = forwardMostMove;
7267 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7268 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7269 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7271 if(cps->alphaRank) AlphaRank(machineMove, 4);
7272 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7273 &fromX, &fromY, &toX, &toY, &promoChar)) {
7274 /* Machine move could not be parsed; ignore it. */
7275 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7276 machineMove, cps->which);
7277 DisplayError(buf1, 0);
7278 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7279 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7280 if (gameMode == TwoMachinesPlay) {
7281 GameEnds(machineWhite ? BlackWins : WhiteWins,
7287 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7288 /* So we have to redo legality test with true e.p. status here, */
7289 /* to make sure an illegal e.p. capture does not slip through, */
7290 /* to cause a forfeit on a justified illegal-move complaint */
7291 /* of the opponent. */
7292 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7294 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7295 fromY, fromX, toY, toX, promoChar);
7296 if (appData.debugMode) {
7298 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7299 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7300 fprintf(debugFP, "castling rights\n");
7302 if(moveType == IllegalMove) {
7303 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7304 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7305 GameEnds(machineWhite ? BlackWins : WhiteWins,
7308 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7309 /* [HGM] Kludge to handle engines that send FRC-style castling
7310 when they shouldn't (like TSCP-Gothic) */
7312 case WhiteASideCastleFR:
7313 case BlackASideCastleFR:
7315 currentMoveString[2]++;
7317 case WhiteHSideCastleFR:
7318 case BlackHSideCastleFR:
7320 currentMoveString[2]--;
7322 default: ; // nothing to do, but suppresses warning of pedantic compilers
7325 hintRequested = FALSE;
7326 lastHint[0] = NULLCHAR;
7327 bookRequested = FALSE;
7328 /* Program may be pondering now */
7329 cps->maybeThinking = TRUE;
7330 if (cps->sendTime == 2) cps->sendTime = 1;
7331 if (cps->offeredDraw) cps->offeredDraw--;
7333 /* currentMoveString is set as a side-effect of ParseOneMove */
7334 safeStrCpy(machineMove, currentMoveString, sizeof(machineMove)/sizeof(machineMove[0]));
7335 strcat(machineMove, "\n");
7336 safeStrCpy(moveList[forwardMostMove], machineMove, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
7338 /* [AS] Save move info*/
7339 pvInfoList[ forwardMostMove ].score = programStats.score;
7340 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7341 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7343 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7345 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7346 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7349 while( count < adjudicateLossPlies ) {
7350 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7353 score = -score; /* Flip score for winning side */
7356 if( score > adjudicateLossThreshold ) {
7363 if( count >= adjudicateLossPlies ) {
7364 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7366 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7367 "Xboard adjudication",
7374 if(Adjudicate(cps)) {
7375 DrawPosition(FALSE, boards[currentMove = forwardMostMove-1]);
7376 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7377 return; // [HGM] adjudicate: for all automatic game ends
7381 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7383 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7384 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7386 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7388 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7390 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7391 char buf[3*MSG_SIZ];
7393 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7394 programStats.score / 100.,
7396 programStats.time / 100.,
7397 (unsigned int)programStats.nodes,
7398 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7399 programStats.movelist);
7401 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7406 /* [AS] Clear stats for next move */
7407 ClearProgramStats();
7408 thinkOutput[0] = NULLCHAR;
7409 hiddenThinkOutputState = 0;
7412 if (gameMode == TwoMachinesPlay) {
7413 /* [HGM] relaying draw offers moved to after reception of move */
7414 /* and interpreting offer as claim if it brings draw condition */
7415 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7416 SendToProgram("draw\n", cps->other);
7418 if (cps->other->sendTime) {
7419 SendTimeRemaining(cps->other,
7420 cps->other->twoMachinesColor[0] == 'w');
7422 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7423 if (firstMove && !bookHit) {
7425 if (cps->other->useColors) {
7426 SendToProgram(cps->other->twoMachinesColor, cps->other);
7428 SendToProgram("go\n", cps->other);
7430 cps->other->maybeThinking = TRUE;
7433 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7435 if (!pausing && appData.ringBellAfterMoves) {
7440 * Reenable menu items that were disabled while
7441 * machine was thinking
7443 if (gameMode != TwoMachinesPlay)
7444 SetUserThinkingEnables();
7446 // [HGM] book: after book hit opponent has received move and is now in force mode
7447 // force the book reply into it, and then fake that it outputted this move by jumping
7448 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7450 static char bookMove[MSG_SIZ]; // a bit generous?
7452 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7453 strcat(bookMove, bookHit);
7456 programStats.nodes = programStats.depth = programStats.time =
7457 programStats.score = programStats.got_only_move = 0;
7458 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7460 if(cps->lastPing != cps->lastPong) {
7461 savedMessage = message; // args for deferred call
7463 ScheduleDelayedEvent(DeferredBookMove, 10);
7472 /* Set special modes for chess engines. Later something general
7473 * could be added here; for now there is just one kludge feature,
7474 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7475 * when "xboard" is given as an interactive command.
7477 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7478 cps->useSigint = FALSE;
7479 cps->useSigterm = FALSE;
7481 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7482 ParseFeatures(message+8, cps);
7483 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7486 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
7487 int dummy, s=6; char buf[MSG_SIZ];
7488 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
7489 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
7490 ParseFEN(boards[0], &dummy, message+s);
7491 DrawPosition(TRUE, boards[0]);
7492 startedFromSetupPosition = TRUE;
7495 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7496 * want this, I was asked to put it in, and obliged.
7498 if (!strncmp(message, "setboard ", 9)) {
7499 Board initial_position;
7501 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7503 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7504 DisplayError(_("Bad FEN received from engine"), 0);
7508 CopyBoard(boards[0], initial_position);
7509 initialRulePlies = FENrulePlies;
7510 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7511 else gameMode = MachinePlaysBlack;
7512 DrawPosition(FALSE, boards[currentMove]);
7518 * Look for communication commands
7520 if (!strncmp(message, "telluser ", 9)) {
7521 if(message[9] == '\\' && message[10] == '\\')
7522 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
7523 DisplayNote(message + 9);
7526 if (!strncmp(message, "tellusererror ", 14)) {
7528 if(message[14] == '\\' && message[15] == '\\')
7529 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
7530 DisplayError(message + 14, 0);
7533 if (!strncmp(message, "tellopponent ", 13)) {
7534 if (appData.icsActive) {
7536 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7540 DisplayNote(message + 13);
7544 if (!strncmp(message, "tellothers ", 11)) {
7545 if (appData.icsActive) {
7547 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7553 if (!strncmp(message, "tellall ", 8)) {
7554 if (appData.icsActive) {
7556 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7560 DisplayNote(message + 8);
7564 if (strncmp(message, "warning", 7) == 0) {
7565 /* Undocumented feature, use tellusererror in new code */
7566 DisplayError(message, 0);
7569 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7570 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
7571 strcat(realname, " query");
7572 AskQuestion(realname, buf2, buf1, cps->pr);
7575 /* Commands from the engine directly to ICS. We don't allow these to be
7576 * sent until we are logged on. Crafty kibitzes have been known to
7577 * interfere with the login process.
7580 if (!strncmp(message, "tellics ", 8)) {
7581 SendToICS(message + 8);
7585 if (!strncmp(message, "tellicsnoalias ", 15)) {
7586 SendToICS(ics_prefix);
7587 SendToICS(message + 15);
7591 /* The following are for backward compatibility only */
7592 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7593 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7594 SendToICS(ics_prefix);
7600 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7604 * If the move is illegal, cancel it and redraw the board.
7605 * Also deal with other error cases. Matching is rather loose
7606 * here to accommodate engines written before the spec.
7608 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7609 strncmp(message, "Error", 5) == 0) {
7610 if (StrStr(message, "name") ||
7611 StrStr(message, "rating") || StrStr(message, "?") ||
7612 StrStr(message, "result") || StrStr(message, "board") ||
7613 StrStr(message, "bk") || StrStr(message, "computer") ||
7614 StrStr(message, "variant") || StrStr(message, "hint") ||
7615 StrStr(message, "random") || StrStr(message, "depth") ||
7616 StrStr(message, "accepted")) {
7619 if (StrStr(message, "protover")) {
7620 /* Program is responding to input, so it's apparently done
7621 initializing, and this error message indicates it is
7622 protocol version 1. So we don't need to wait any longer
7623 for it to initialize and send feature commands. */
7624 FeatureDone(cps, 1);
7625 cps->protocolVersion = 1;
7628 cps->maybeThinking = FALSE;
7630 if (StrStr(message, "draw")) {
7631 /* Program doesn't have "draw" command */
7632 cps->sendDrawOffers = 0;
7635 if (cps->sendTime != 1 &&
7636 (StrStr(message, "time") || StrStr(message, "otim"))) {
7637 /* Program apparently doesn't have "time" or "otim" command */
7641 if (StrStr(message, "analyze")) {
7642 cps->analysisSupport = FALSE;
7643 cps->analyzing = FALSE;
7645 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
7646 DisplayError(buf2, 0);
7649 if (StrStr(message, "(no matching move)st")) {
7650 /* Special kludge for GNU Chess 4 only */
7651 cps->stKludge = TRUE;
7652 SendTimeControl(cps, movesPerSession, timeControl,
7653 timeIncrement, appData.searchDepth,
7657 if (StrStr(message, "(no matching move)sd")) {
7658 /* Special kludge for GNU Chess 4 only */
7659 cps->sdKludge = TRUE;
7660 SendTimeControl(cps, movesPerSession, timeControl,
7661 timeIncrement, appData.searchDepth,
7665 if (!StrStr(message, "llegal")) {
7668 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7669 gameMode == IcsIdle) return;
7670 if (forwardMostMove <= backwardMostMove) return;
7671 if (pausing) PauseEvent();
7672 if(appData.forceIllegal) {
7673 // [HGM] illegal: machine refused move; force position after move into it
7674 SendToProgram("force\n", cps);
7675 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7676 // we have a real problem now, as SendBoard will use the a2a3 kludge
7677 // when black is to move, while there might be nothing on a2 or black
7678 // might already have the move. So send the board as if white has the move.
7679 // But first we must change the stm of the engine, as it refused the last move
7680 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7681 if(WhiteOnMove(forwardMostMove)) {
7682 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7683 SendBoard(cps, forwardMostMove); // kludgeless board
7685 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7686 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7687 SendBoard(cps, forwardMostMove+1); // kludgeless board
7689 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7690 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7691 gameMode == TwoMachinesPlay)
7692 SendToProgram("go\n", cps);
7695 if (gameMode == PlayFromGameFile) {
7696 /* Stop reading this game file */
7697 gameMode = EditGame;
7700 /* [HGM] illegal-move claim should forfeit game when Xboard */
7701 /* only passes fully legal moves */
7702 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7703 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7704 "False illegal-move claim", GE_XBOARD );
7705 return; // do not take back move we tested as valid
7707 currentMove = forwardMostMove-1;
7708 DisplayMove(currentMove-1); /* before DisplayMoveError */
7709 SwitchClocks(forwardMostMove-1); // [HGM] race
7710 DisplayBothClocks();
7711 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
7712 parseList[currentMove], cps->which);
7713 DisplayMoveError(buf1);
7714 DrawPosition(FALSE, boards[currentMove]);
7717 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7718 /* Program has a broken "time" command that
7719 outputs a string not ending in newline.
7725 * If chess program startup fails, exit with an error message.
7726 * Attempts to recover here are futile.
7728 if ((StrStr(message, "unknown host") != NULL)
7729 || (StrStr(message, "No remote directory") != NULL)
7730 || (StrStr(message, "not found") != NULL)
7731 || (StrStr(message, "No such file") != NULL)
7732 || (StrStr(message, "can't alloc") != NULL)
7733 || (StrStr(message, "Permission denied") != NULL)) {
7735 cps->maybeThinking = FALSE;
7736 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7737 cps->which, cps->program, cps->host, message);
7738 RemoveInputSource(cps->isr);
7739 DisplayFatalError(buf1, 0, 1);
7744 * Look for hint output
7746 if (sscanf(message, "Hint: %s", buf1) == 1) {
7747 if (cps == &first && hintRequested) {
7748 hintRequested = FALSE;
7749 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7750 &fromX, &fromY, &toX, &toY, &promoChar)) {
7751 (void) CoordsToAlgebraic(boards[forwardMostMove],
7752 PosFlags(forwardMostMove),
7753 fromY, fromX, toY, toX, promoChar, buf1);
7754 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7755 DisplayInformation(buf2);
7757 /* Hint move could not be parsed!? */
7758 snprintf(buf2, sizeof(buf2),
7759 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7761 DisplayError(buf2, 0);
7764 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
7770 * Ignore other messages if game is not in progress
7772 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7773 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7776 * look for win, lose, draw, or draw offer
7778 if (strncmp(message, "1-0", 3) == 0) {
7779 char *p, *q, *r = "";
7780 p = strchr(message, '{');
7788 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7790 } else if (strncmp(message, "0-1", 3) == 0) {
7791 char *p, *q, *r = "";
7792 p = strchr(message, '{');
7800 /* Kludge for Arasan 4.1 bug */
7801 if (strcmp(r, "Black resigns") == 0) {
7802 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7805 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7807 } else if (strncmp(message, "1/2", 3) == 0) {
7808 char *p, *q, *r = "";
7809 p = strchr(message, '{');
7818 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7821 } else if (strncmp(message, "White resign", 12) == 0) {
7822 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7824 } else if (strncmp(message, "Black resign", 12) == 0) {
7825 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7827 } else if (strncmp(message, "White matches", 13) == 0 ||
7828 strncmp(message, "Black matches", 13) == 0 ) {
7829 /* [HGM] ignore GNUShogi noises */
7831 } else if (strncmp(message, "White", 5) == 0 &&
7832 message[5] != '(' &&
7833 StrStr(message, "Black") == NULL) {
7834 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7836 } else if (strncmp(message, "Black", 5) == 0 &&
7837 message[5] != '(') {
7838 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7840 } else if (strcmp(message, "resign") == 0 ||
7841 strcmp(message, "computer resigns") == 0) {
7843 case MachinePlaysBlack:
7844 case IcsPlayingBlack:
7845 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7847 case MachinePlaysWhite:
7848 case IcsPlayingWhite:
7849 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7851 case TwoMachinesPlay:
7852 if (cps->twoMachinesColor[0] == 'w')
7853 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7855 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7862 } else if (strncmp(message, "opponent mates", 14) == 0) {
7864 case MachinePlaysBlack:
7865 case IcsPlayingBlack:
7866 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7868 case MachinePlaysWhite:
7869 case IcsPlayingWhite:
7870 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7872 case TwoMachinesPlay:
7873 if (cps->twoMachinesColor[0] == 'w')
7874 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7876 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7883 } else if (strncmp(message, "computer mates", 14) == 0) {
7885 case MachinePlaysBlack:
7886 case IcsPlayingBlack:
7887 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7889 case MachinePlaysWhite:
7890 case IcsPlayingWhite:
7891 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7893 case TwoMachinesPlay:
7894 if (cps->twoMachinesColor[0] == 'w')
7895 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7897 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7904 } else if (strncmp(message, "checkmate", 9) == 0) {
7905 if (WhiteOnMove(forwardMostMove)) {
7906 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7908 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7911 } else if (strstr(message, "Draw") != NULL ||
7912 strstr(message, "game is a draw") != NULL) {
7913 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7915 } else if (strstr(message, "offer") != NULL &&
7916 strstr(message, "draw") != NULL) {
7918 if (appData.zippyPlay && first.initDone) {
7919 /* Relay offer to ICS */
7920 SendToICS(ics_prefix);
7921 SendToICS("draw\n");
7924 cps->offeredDraw = 2; /* valid until this engine moves twice */
7925 if (gameMode == TwoMachinesPlay) {
7926 if (cps->other->offeredDraw) {
7927 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7928 /* [HGM] in two-machine mode we delay relaying draw offer */
7929 /* until after we also have move, to see if it is really claim */
7931 } else if (gameMode == MachinePlaysWhite ||
7932 gameMode == MachinePlaysBlack) {
7933 if (userOfferedDraw) {
7934 DisplayInformation(_("Machine accepts your draw offer"));
7935 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7937 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7944 * Look for thinking output
7946 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7947 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7949 int plylev, mvleft, mvtot, curscore, time;
7950 char mvname[MOVE_LEN];
7954 int prefixHint = FALSE;
7955 mvname[0] = NULLCHAR;
7958 case MachinePlaysBlack:
7959 case IcsPlayingBlack:
7960 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7962 case MachinePlaysWhite:
7963 case IcsPlayingWhite:
7964 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7969 case IcsObserving: /* [DM] icsEngineAnalyze */
7970 if (!appData.icsEngineAnalyze) ignore = TRUE;
7972 case TwoMachinesPlay:
7973 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7983 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7985 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7986 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7988 if (plyext != ' ' && plyext != '\t') {
7992 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7993 if( cps->scoreIsAbsolute &&
7994 ( gameMode == MachinePlaysBlack ||
7995 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7996 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7997 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7998 !WhiteOnMove(currentMove)
8001 curscore = -curscore;
8005 tempStats.depth = plylev;
8006 tempStats.nodes = nodes;
8007 tempStats.time = time;
8008 tempStats.score = curscore;
8009 tempStats.got_only_move = 0;
8011 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8014 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8015 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8016 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8017 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8018 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8019 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8020 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8021 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8024 /* Buffer overflow protection */
8025 if (buf1[0] != NULLCHAR) {
8026 if (strlen(buf1) >= sizeof(tempStats.movelist)
8027 && appData.debugMode) {
8029 "PV is too long; using the first %u bytes.\n",
8030 (unsigned) sizeof(tempStats.movelist) - 1);
8033 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8035 sprintf(tempStats.movelist, " no PV\n");
8038 if (tempStats.seen_stat) {
8039 tempStats.ok_to_send = 1;
8042 if (strchr(tempStats.movelist, '(') != NULL) {
8043 tempStats.line_is_book = 1;
8044 tempStats.nr_moves = 0;
8045 tempStats.moves_left = 0;
8047 tempStats.line_is_book = 0;
8050 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8051 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8053 SendProgramStatsToFrontend( cps, &tempStats );
8056 [AS] Protect the thinkOutput buffer from overflow... this
8057 is only useful if buf1 hasn't overflowed first!
8059 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8061 (gameMode == TwoMachinesPlay ?
8062 ToUpper(cps->twoMachinesColor[0]) : ' '),
8063 ((double) curscore) / 100.0,
8064 prefixHint ? lastHint : "",
8065 prefixHint ? " " : "" );
8067 if( buf1[0] != NULLCHAR ) {
8068 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8070 if( strlen(buf1) > max_len ) {
8071 if( appData.debugMode) {
8072 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8074 buf1[max_len+1] = '\0';
8077 strcat( thinkOutput, buf1 );
8080 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8081 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8082 DisplayMove(currentMove - 1);
8086 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8087 /* crafty (9.25+) says "(only move) <move>"
8088 * if there is only 1 legal move
8090 sscanf(p, "(only move) %s", buf1);
8091 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8092 sprintf(programStats.movelist, "%s (only move)", buf1);
8093 programStats.depth = 1;
8094 programStats.nr_moves = 1;
8095 programStats.moves_left = 1;
8096 programStats.nodes = 1;
8097 programStats.time = 1;
8098 programStats.got_only_move = 1;
8100 /* Not really, but we also use this member to
8101 mean "line isn't going to change" (Crafty
8102 isn't searching, so stats won't change) */
8103 programStats.line_is_book = 1;
8105 SendProgramStatsToFrontend( cps, &programStats );
8107 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8108 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8109 DisplayMove(currentMove - 1);
8112 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8113 &time, &nodes, &plylev, &mvleft,
8114 &mvtot, mvname) >= 5) {
8115 /* The stat01: line is from Crafty (9.29+) in response
8116 to the "." command */
8117 programStats.seen_stat = 1;
8118 cps->maybeThinking = TRUE;
8120 if (programStats.got_only_move || !appData.periodicUpdates)
8123 programStats.depth = plylev;
8124 programStats.time = time;
8125 programStats.nodes = nodes;
8126 programStats.moves_left = mvleft;
8127 programStats.nr_moves = mvtot;
8128 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8129 programStats.ok_to_send = 1;
8130 programStats.movelist[0] = '\0';
8132 SendProgramStatsToFrontend( cps, &programStats );
8136 } else if (strncmp(message,"++",2) == 0) {
8137 /* Crafty 9.29+ outputs this */
8138 programStats.got_fail = 2;
8141 } else if (strncmp(message,"--",2) == 0) {
8142 /* Crafty 9.29+ outputs this */
8143 programStats.got_fail = 1;
8146 } else if (thinkOutput[0] != NULLCHAR &&
8147 strncmp(message, " ", 4) == 0) {
8148 unsigned message_len;
8151 while (*p && *p == ' ') p++;
8153 message_len = strlen( p );
8155 /* [AS] Avoid buffer overflow */
8156 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8157 strcat(thinkOutput, " ");
8158 strcat(thinkOutput, p);
8161 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8162 strcat(programStats.movelist, " ");
8163 strcat(programStats.movelist, p);
8166 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8167 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8168 DisplayMove(currentMove - 1);
8176 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8177 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8179 ChessProgramStats cpstats;
8181 if (plyext != ' ' && plyext != '\t') {
8185 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8186 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8187 curscore = -curscore;
8190 cpstats.depth = plylev;
8191 cpstats.nodes = nodes;
8192 cpstats.time = time;
8193 cpstats.score = curscore;
8194 cpstats.got_only_move = 0;
8195 cpstats.movelist[0] = '\0';
8197 if (buf1[0] != NULLCHAR) {
8198 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8201 cpstats.ok_to_send = 0;
8202 cpstats.line_is_book = 0;
8203 cpstats.nr_moves = 0;
8204 cpstats.moves_left = 0;
8206 SendProgramStatsToFrontend( cps, &cpstats );
8213 /* Parse a game score from the character string "game", and
8214 record it as the history of the current game. The game
8215 score is NOT assumed to start from the standard position.
8216 The display is not updated in any way.
8219 ParseGameHistory(game)
8223 int fromX, fromY, toX, toY, boardIndex;
8228 if (appData.debugMode)
8229 fprintf(debugFP, "Parsing game history: %s\n", game);
8231 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8232 gameInfo.site = StrSave(appData.icsHost);
8233 gameInfo.date = PGNDate();
8234 gameInfo.round = StrSave("-");
8236 /* Parse out names of players */
8237 while (*game == ' ') game++;
8239 while (*game != ' ') *p++ = *game++;
8241 gameInfo.white = StrSave(buf);
8242 while (*game == ' ') game++;
8244 while (*game != ' ' && *game != '\n') *p++ = *game++;
8246 gameInfo.black = StrSave(buf);
8249 boardIndex = blackPlaysFirst ? 1 : 0;
8252 yyboardindex = boardIndex;
8253 moveType = (ChessMove) Myylex();
8255 case IllegalMove: /* maybe suicide chess, etc. */
8256 if (appData.debugMode) {
8257 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8258 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8259 setbuf(debugFP, NULL);
8261 case WhitePromotion:
8262 case BlackPromotion:
8263 case WhiteNonPromotion:
8264 case BlackNonPromotion:
8266 case WhiteCapturesEnPassant:
8267 case BlackCapturesEnPassant:
8268 case WhiteKingSideCastle:
8269 case WhiteQueenSideCastle:
8270 case BlackKingSideCastle:
8271 case BlackQueenSideCastle:
8272 case WhiteKingSideCastleWild:
8273 case WhiteQueenSideCastleWild:
8274 case BlackKingSideCastleWild:
8275 case BlackQueenSideCastleWild:
8277 case WhiteHSideCastleFR:
8278 case WhiteASideCastleFR:
8279 case BlackHSideCastleFR:
8280 case BlackASideCastleFR:
8282 fromX = currentMoveString[0] - AAA;
8283 fromY = currentMoveString[1] - ONE;
8284 toX = currentMoveString[2] - AAA;
8285 toY = currentMoveString[3] - ONE;
8286 promoChar = currentMoveString[4];
8290 fromX = moveType == WhiteDrop ?
8291 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8292 (int) CharToPiece(ToLower(currentMoveString[0]));
8294 toX = currentMoveString[2] - AAA;
8295 toY = currentMoveString[3] - ONE;
8296 promoChar = NULLCHAR;
8300 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8301 if (appData.debugMode) {
8302 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8303 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8304 setbuf(debugFP, NULL);
8306 DisplayError(buf, 0);
8308 case ImpossibleMove:
8310 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8311 if (appData.debugMode) {
8312 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8313 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8314 setbuf(debugFP, NULL);
8316 DisplayError(buf, 0);
8319 if (boardIndex < backwardMostMove) {
8320 /* Oops, gap. How did that happen? */
8321 DisplayError(_("Gap in move list"), 0);
8324 backwardMostMove = blackPlaysFirst ? 1 : 0;
8325 if (boardIndex > forwardMostMove) {
8326 forwardMostMove = boardIndex;
8330 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8331 strcat(parseList[boardIndex-1], " ");
8332 strcat(parseList[boardIndex-1], yy_text);
8344 case GameUnfinished:
8345 if (gameMode == IcsExamining) {
8346 if (boardIndex < backwardMostMove) {
8347 /* Oops, gap. How did that happen? */
8350 backwardMostMove = blackPlaysFirst ? 1 : 0;
8353 gameInfo.result = moveType;
8354 p = strchr(yy_text, '{');
8355 if (p == NULL) p = strchr(yy_text, '(');
8358 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8360 q = strchr(p, *p == '{' ? '}' : ')');
8361 if (q != NULL) *q = NULLCHAR;
8364 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8365 gameInfo.resultDetails = StrSave(p);
8368 if (boardIndex >= forwardMostMove &&
8369 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8370 backwardMostMove = blackPlaysFirst ? 1 : 0;
8373 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8374 fromY, fromX, toY, toX, promoChar,
8375 parseList[boardIndex]);
8376 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8377 /* currentMoveString is set as a side-effect of yylex */
8378 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8379 strcat(moveList[boardIndex], "\n");
8381 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8382 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8388 if(gameInfo.variant != VariantShogi)
8389 strcat(parseList[boardIndex - 1], "+");
8393 strcat(parseList[boardIndex - 1], "#");
8400 /* Apply a move to the given board */
8402 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8403 int fromX, fromY, toX, toY;
8407 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8408 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8410 /* [HGM] compute & store e.p. status and castling rights for new position */
8411 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8413 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8414 oldEP = (signed char)board[EP_STATUS];
8415 board[EP_STATUS] = EP_NONE;
8417 if( board[toY][toX] != EmptySquare )
8418 board[EP_STATUS] = EP_CAPTURE;
8420 if (fromY == DROP_RANK) {
8422 piece = board[toY][toX] = (ChessSquare) fromX;
8426 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
8427 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
8428 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
8430 if( board[fromY][fromX] == WhitePawn ) {
8431 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8432 board[EP_STATUS] = EP_PAWN_MOVE;
8434 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8435 gameInfo.variant != VariantBerolina || toX < fromX)
8436 board[EP_STATUS] = toX | berolina;
8437 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8438 gameInfo.variant != VariantBerolina || toX > fromX)
8439 board[EP_STATUS] = toX;
8442 if( board[fromY][fromX] == BlackPawn ) {
8443 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8444 board[EP_STATUS] = EP_PAWN_MOVE;
8445 if( toY-fromY== -2) {
8446 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8447 gameInfo.variant != VariantBerolina || toX < fromX)
8448 board[EP_STATUS] = toX | berolina;
8449 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8450 gameInfo.variant != VariantBerolina || toX > fromX)
8451 board[EP_STATUS] = toX;
8455 for(i=0; i<nrCastlingRights; i++) {
8456 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8457 board[CASTLING][i] == toX && castlingRank[i] == toY
8458 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8461 if (fromX == toX && fromY == toY) return;
8463 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8464 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8465 if(gameInfo.variant == VariantKnightmate)
8466 king += (int) WhiteUnicorn - (int) WhiteKing;
8468 /* Code added by Tord: */
8469 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
8470 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
8471 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
8472 board[fromY][fromX] = EmptySquare;
8473 board[toY][toX] = EmptySquare;
8474 if((toX > fromX) != (piece == WhiteRook)) {
8475 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8477 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8479 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
8480 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
8481 board[fromY][fromX] = EmptySquare;
8482 board[toY][toX] = EmptySquare;
8483 if((toX > fromX) != (piece == BlackRook)) {
8484 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8486 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8488 /* End of code added by Tord */
8490 } else if (board[fromY][fromX] == king
8491 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8492 && toY == fromY && toX > fromX+1) {
8493 board[fromY][fromX] = EmptySquare;
8494 board[toY][toX] = king;
8495 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8496 board[fromY][BOARD_RGHT-1] = EmptySquare;
8497 } else if (board[fromY][fromX] == king
8498 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8499 && toY == fromY && toX < fromX-1) {
8500 board[fromY][fromX] = EmptySquare;
8501 board[toY][toX] = king;
8502 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8503 board[fromY][BOARD_LEFT] = EmptySquare;
8504 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
8505 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
8506 && toY >= BOARD_HEIGHT-promoRank
8508 /* white pawn promotion */
8509 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8510 if (board[toY][toX] == EmptySquare) {
8511 board[toY][toX] = WhiteQueen;
8513 if(gameInfo.variant==VariantBughouse ||
8514 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8515 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8516 board[fromY][fromX] = EmptySquare;
8517 } else if ((fromY == BOARD_HEIGHT-4)
8519 && gameInfo.variant != VariantXiangqi
8520 && gameInfo.variant != VariantBerolina
8521 && (board[fromY][fromX] == WhitePawn)
8522 && (board[toY][toX] == EmptySquare)) {
8523 board[fromY][fromX] = EmptySquare;
8524 board[toY][toX] = WhitePawn;
8525 captured = board[toY - 1][toX];
8526 board[toY - 1][toX] = EmptySquare;
8527 } else if ((fromY == BOARD_HEIGHT-4)
8529 && gameInfo.variant == VariantBerolina
8530 && (board[fromY][fromX] == WhitePawn)
8531 && (board[toY][toX] == EmptySquare)) {
8532 board[fromY][fromX] = EmptySquare;
8533 board[toY][toX] = WhitePawn;
8534 if(oldEP & EP_BEROLIN_A) {
8535 captured = board[fromY][fromX-1];
8536 board[fromY][fromX-1] = EmptySquare;
8537 }else{ captured = board[fromY][fromX+1];
8538 board[fromY][fromX+1] = EmptySquare;
8540 } else if (board[fromY][fromX] == king
8541 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8542 && toY == fromY && toX > fromX+1) {
8543 board[fromY][fromX] = EmptySquare;
8544 board[toY][toX] = king;
8545 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8546 board[fromY][BOARD_RGHT-1] = EmptySquare;
8547 } else if (board[fromY][fromX] == king
8548 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8549 && toY == fromY && toX < fromX-1) {
8550 board[fromY][fromX] = EmptySquare;
8551 board[toY][toX] = king;
8552 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8553 board[fromY][BOARD_LEFT] = EmptySquare;
8554 } else if (fromY == 7 && fromX == 3
8555 && board[fromY][fromX] == BlackKing
8556 && toY == 7 && toX == 5) {
8557 board[fromY][fromX] = EmptySquare;
8558 board[toY][toX] = BlackKing;
8559 board[fromY][7] = EmptySquare;
8560 board[toY][4] = BlackRook;
8561 } else if (fromY == 7 && fromX == 3
8562 && board[fromY][fromX] == BlackKing
8563 && toY == 7 && toX == 1) {
8564 board[fromY][fromX] = EmptySquare;
8565 board[toY][toX] = BlackKing;
8566 board[fromY][0] = EmptySquare;
8567 board[toY][2] = BlackRook;
8568 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
8569 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
8572 /* black pawn promotion */
8573 board[toY][toX] = CharToPiece(ToLower(promoChar));
8574 if (board[toY][toX] == EmptySquare) {
8575 board[toY][toX] = BlackQueen;
8577 if(gameInfo.variant==VariantBughouse ||
8578 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8579 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8580 board[fromY][fromX] = EmptySquare;
8581 } else if ((fromY == 3)
8583 && gameInfo.variant != VariantXiangqi
8584 && gameInfo.variant != VariantBerolina
8585 && (board[fromY][fromX] == BlackPawn)
8586 && (board[toY][toX] == EmptySquare)) {
8587 board[fromY][fromX] = EmptySquare;
8588 board[toY][toX] = BlackPawn;
8589 captured = board[toY + 1][toX];
8590 board[toY + 1][toX] = EmptySquare;
8591 } else if ((fromY == 3)
8593 && gameInfo.variant == VariantBerolina
8594 && (board[fromY][fromX] == BlackPawn)
8595 && (board[toY][toX] == EmptySquare)) {
8596 board[fromY][fromX] = EmptySquare;
8597 board[toY][toX] = BlackPawn;
8598 if(oldEP & EP_BEROLIN_A) {
8599 captured = board[fromY][fromX-1];
8600 board[fromY][fromX-1] = EmptySquare;
8601 }else{ captured = board[fromY][fromX+1];
8602 board[fromY][fromX+1] = EmptySquare;
8605 board[toY][toX] = board[fromY][fromX];
8606 board[fromY][fromX] = EmptySquare;
8610 if (gameInfo.holdingsWidth != 0) {
8612 /* !!A lot more code needs to be written to support holdings */
8613 /* [HGM] OK, so I have written it. Holdings are stored in the */
8614 /* penultimate board files, so they are automaticlly stored */
8615 /* in the game history. */
8616 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
8617 && promoChar && piece != WhitePawn && piece != BlackPawn) {
8618 /* Delete from holdings, by decreasing count */
8619 /* and erasing image if necessary */
8620 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
8621 if(p < (int) BlackPawn) { /* white drop */
8622 p -= (int)WhitePawn;
8623 p = PieceToNumber((ChessSquare)p);
8624 if(p >= gameInfo.holdingsSize) p = 0;
8625 if(--board[p][BOARD_WIDTH-2] <= 0)
8626 board[p][BOARD_WIDTH-1] = EmptySquare;
8627 if((int)board[p][BOARD_WIDTH-2] < 0)
8628 board[p][BOARD_WIDTH-2] = 0;
8629 } else { /* black drop */
8630 p -= (int)BlackPawn;
8631 p = PieceToNumber((ChessSquare)p);
8632 if(p >= gameInfo.holdingsSize) p = 0;
8633 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8634 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8635 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8636 board[BOARD_HEIGHT-1-p][1] = 0;
8639 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8640 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
8641 /* [HGM] holdings: Add to holdings, if holdings exist */
8642 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8643 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8644 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8647 if (p >= (int) BlackPawn) {
8648 p -= (int)BlackPawn;
8649 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8650 /* in Shogi restore piece to its original first */
8651 captured = (ChessSquare) (DEMOTED captured);
8654 p = PieceToNumber((ChessSquare)p);
8655 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8656 board[p][BOARD_WIDTH-2]++;
8657 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8659 p -= (int)WhitePawn;
8660 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8661 captured = (ChessSquare) (DEMOTED captured);
8664 p = PieceToNumber((ChessSquare)p);
8665 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8666 board[BOARD_HEIGHT-1-p][1]++;
8667 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8670 } else if (gameInfo.variant == VariantAtomic) {
8671 if (captured != EmptySquare) {
8673 for (y = toY-1; y <= toY+1; y++) {
8674 for (x = toX-1; x <= toX+1; x++) {
8675 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8676 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8677 board[y][x] = EmptySquare;
8681 board[toY][toX] = EmptySquare;
8684 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
8685 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
8687 if(promoChar == '+') {
8688 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8689 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8690 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
8691 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
8693 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8694 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8695 // [HGM] superchess: take promotion piece out of holdings
8696 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8697 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8698 if(!--board[k][BOARD_WIDTH-2])
8699 board[k][BOARD_WIDTH-1] = EmptySquare;
8701 if(!--board[BOARD_HEIGHT-1-k][1])
8702 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8708 /* Updates forwardMostMove */
8710 MakeMove(fromX, fromY, toX, toY, promoChar)
8711 int fromX, fromY, toX, toY;
8714 // forwardMostMove++; // [HGM] bare: moved downstream
8716 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8717 int timeLeft; static int lastLoadFlag=0; int king, piece;
8718 piece = boards[forwardMostMove][fromY][fromX];
8719 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8720 if(gameInfo.variant == VariantKnightmate)
8721 king += (int) WhiteUnicorn - (int) WhiteKing;
8722 if(forwardMostMove == 0) {
8724 fprintf(serverMoves, "%s;", second.tidy);
8725 fprintf(serverMoves, "%s;", first.tidy);
8726 if(!blackPlaysFirst)
8727 fprintf(serverMoves, "%s;", second.tidy);
8728 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8729 lastLoadFlag = loadFlag;
8731 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8732 // print castling suffix
8733 if( toY == fromY && piece == king ) {
8735 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8737 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8740 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8741 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8742 boards[forwardMostMove][toY][toX] == EmptySquare
8743 && fromX != toX && fromY != toY)
8744 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8746 if(promoChar != NULLCHAR)
8747 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8749 fprintf(serverMoves, "/%d/%d",
8750 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8751 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8752 else timeLeft = blackTimeRemaining/1000;
8753 fprintf(serverMoves, "/%d", timeLeft);
8755 fflush(serverMoves);
8758 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8759 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8763 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8764 if (commentList[forwardMostMove+1] != NULL) {
8765 free(commentList[forwardMostMove+1]);
8766 commentList[forwardMostMove+1] = NULL;
8768 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8769 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8770 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8771 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8772 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8773 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8774 gameInfo.result = GameUnfinished;
8775 if (gameInfo.resultDetails != NULL) {
8776 free(gameInfo.resultDetails);
8777 gameInfo.resultDetails = NULL;
8779 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8780 moveList[forwardMostMove - 1]);
8781 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8782 PosFlags(forwardMostMove - 1),
8783 fromY, fromX, toY, toX, promoChar,
8784 parseList[forwardMostMove - 1]);
8785 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8791 if(gameInfo.variant != VariantShogi)
8792 strcat(parseList[forwardMostMove - 1], "+");
8796 strcat(parseList[forwardMostMove - 1], "#");
8799 if (appData.debugMode) {
8800 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8805 /* Updates currentMove if not pausing */
8807 ShowMove(fromX, fromY, toX, toY)
8809 int instant = (gameMode == PlayFromGameFile) ?
8810 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8811 if(appData.noGUI) return;
8812 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8814 if (forwardMostMove == currentMove + 1) {
8815 AnimateMove(boards[forwardMostMove - 1],
8816 fromX, fromY, toX, toY);
8818 if (appData.highlightLastMove) {
8819 SetHighlights(fromX, fromY, toX, toY);
8822 currentMove = forwardMostMove;
8825 if (instant) return;
8827 DisplayMove(currentMove - 1);
8828 DrawPosition(FALSE, boards[currentMove]);
8829 DisplayBothClocks();
8830 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8833 void SendEgtPath(ChessProgramState *cps)
8834 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8835 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8837 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8840 char c, *q = name+1, *r, *s;
8842 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8843 while(*p && *p != ',') *q++ = *p++;
8845 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8846 strcmp(name, ",nalimov:") == 0 ) {
8847 // take nalimov path from the menu-changeable option first, if it is defined
8848 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8849 SendToProgram(buf,cps); // send egtbpath command for nalimov
8851 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8852 (s = StrStr(appData.egtFormats, name)) != NULL) {
8853 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8854 s = r = StrStr(s, ":") + 1; // beginning of path info
8855 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8856 c = *r; *r = 0; // temporarily null-terminate path info
8857 *--q = 0; // strip of trailig ':' from name
8858 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8860 SendToProgram(buf,cps); // send egtbpath command for this format
8862 if(*p == ',') p++; // read away comma to position for next format name
8867 InitChessProgram(cps, setup)
8868 ChessProgramState *cps;
8869 int setup; /* [HGM] needed to setup FRC opening position */
8871 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8872 if (appData.noChessProgram) return;
8873 hintRequested = FALSE;
8874 bookRequested = FALSE;
8876 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8877 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8878 if(cps->memSize) { /* [HGM] memory */
8879 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8880 SendToProgram(buf, cps);
8882 SendEgtPath(cps); /* [HGM] EGT */
8883 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8884 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8885 SendToProgram(buf, cps);
8888 SendToProgram(cps->initString, cps);
8889 if (gameInfo.variant != VariantNormal &&
8890 gameInfo.variant != VariantLoadable
8891 /* [HGM] also send variant if board size non-standard */
8892 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8894 char *v = VariantName(gameInfo.variant);
8895 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8896 /* [HGM] in protocol 1 we have to assume all variants valid */
8897 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8898 DisplayFatalError(buf, 0, 1);
8902 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8903 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8904 if( gameInfo.variant == VariantXiangqi )
8905 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8906 if( gameInfo.variant == VariantShogi )
8907 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8908 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8909 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8910 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8911 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8912 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8913 if( gameInfo.variant == VariantCourier )
8914 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8915 if( gameInfo.variant == VariantSuper )
8916 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8917 if( gameInfo.variant == VariantGreat )
8918 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8919 if( gameInfo.variant == VariantSChess )
8920 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
8923 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8924 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8925 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8926 if(StrStr(cps->variants, b) == NULL) {
8927 // specific sized variant not known, check if general sizing allowed
8928 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8929 if(StrStr(cps->variants, "boardsize") == NULL) {
8930 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8931 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8932 DisplayFatalError(buf, 0, 1);
8935 /* [HGM] here we really should compare with the maximum supported board size */
8938 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8939 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8940 SendToProgram(buf, cps);
8942 currentlyInitializedVariant = gameInfo.variant;
8944 /* [HGM] send opening position in FRC to first engine */
8946 SendToProgram("force\n", cps);
8948 /* engine is now in force mode! Set flag to wake it up after first move. */
8949 setboardSpoiledMachineBlack = 1;
8953 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8954 SendToProgram(buf, cps);
8956 cps->maybeThinking = FALSE;
8957 cps->offeredDraw = 0;
8958 if (!appData.icsActive) {
8959 SendTimeControl(cps, movesPerSession, timeControl,
8960 timeIncrement, appData.searchDepth,
8963 if (appData.showThinking
8964 // [HGM] thinking: four options require thinking output to be sent
8965 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8967 SendToProgram("post\n", cps);
8969 SendToProgram("hard\n", cps);
8970 if (!appData.ponderNextMove) {
8971 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8972 it without being sure what state we are in first. "hard"
8973 is not a toggle, so that one is OK.
8975 SendToProgram("easy\n", cps);
8978 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8979 SendToProgram(buf, cps);
8981 cps->initDone = TRUE;
8986 StartChessProgram(cps)
8987 ChessProgramState *cps;
8992 if (appData.noChessProgram) return;
8993 cps->initDone = FALSE;
8995 if (strcmp(cps->host, "localhost") == 0) {
8996 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8997 } else if (*appData.remoteShell == NULLCHAR) {
8998 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9000 if (*appData.remoteUser == NULLCHAR) {
9001 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9004 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9005 cps->host, appData.remoteUser, cps->program);
9007 err = StartChildProcess(buf, "", &cps->pr);
9011 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9012 DisplayFatalError(buf, err, 1);
9018 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9019 if (cps->protocolVersion > 1) {
9020 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9021 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9022 cps->comboCnt = 0; // and values of combo boxes
9023 SendToProgram(buf, cps);
9025 SendToProgram("xboard\n", cps);
9031 TwoMachinesEventIfReady P((void))
9033 if (first.lastPing != first.lastPong) {
9034 DisplayMessage("", _("Waiting for first chess program"));
9035 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9038 if (second.lastPing != second.lastPong) {
9039 DisplayMessage("", _("Waiting for second chess program"));
9040 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9048 NextMatchGame P((void))
9050 int index; /* [HGM] autoinc: step load index during match */
9052 if (*appData.loadGameFile != NULLCHAR) {
9053 index = appData.loadGameIndex;
9054 if(index < 0) { // [HGM] autoinc
9055 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9056 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9058 LoadGameFromFile(appData.loadGameFile,
9060 appData.loadGameFile, FALSE);
9061 } else if (*appData.loadPositionFile != NULLCHAR) {
9062 index = appData.loadPositionIndex;
9063 if(index < 0) { // [HGM] autoinc
9064 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9065 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9067 LoadPositionFromFile(appData.loadPositionFile,
9069 appData.loadPositionFile);
9071 TwoMachinesEventIfReady();
9074 void UserAdjudicationEvent( int result )
9076 ChessMove gameResult = GameIsDrawn;
9079 gameResult = WhiteWins;
9081 else if( result < 0 ) {
9082 gameResult = BlackWins;
9085 if( gameMode == TwoMachinesPlay ) {
9086 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9091 // [HGM] save: calculate checksum of game to make games easily identifiable
9092 int StringCheckSum(char *s)
9095 if(s==NULL) return 0;
9096 while(*s) i = i*259 + *s++;
9103 for(i=backwardMostMove; i<forwardMostMove; i++) {
9104 sum += pvInfoList[i].depth;
9105 sum += StringCheckSum(parseList[i]);
9106 sum += StringCheckSum(commentList[i]);
9109 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9110 return sum + StringCheckSum(commentList[i]);
9111 } // end of save patch
9114 GameEnds(result, resultDetails, whosays)
9116 char *resultDetails;
9119 GameMode nextGameMode;
9121 char buf[MSG_SIZ], popupRequested = 0;
9123 if(endingGame) return; /* [HGM] crash: forbid recursion */
9125 if(twoBoards) { // [HGM] dual: switch back to one board
9126 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9127 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9129 if (appData.debugMode) {
9130 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9131 result, resultDetails ? resultDetails : "(null)", whosays);
9134 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9136 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9137 /* If we are playing on ICS, the server decides when the
9138 game is over, but the engine can offer to draw, claim
9142 if (appData.zippyPlay && first.initDone) {
9143 if (result == GameIsDrawn) {
9144 /* In case draw still needs to be claimed */
9145 SendToICS(ics_prefix);
9146 SendToICS("draw\n");
9147 } else if (StrCaseStr(resultDetails, "resign")) {
9148 SendToICS(ics_prefix);
9149 SendToICS("resign\n");
9153 endingGame = 0; /* [HGM] crash */
9157 /* If we're loading the game from a file, stop */
9158 if (whosays == GE_FILE) {
9159 (void) StopLoadGameTimer();
9163 /* Cancel draw offers */
9164 first.offeredDraw = second.offeredDraw = 0;
9166 /* If this is an ICS game, only ICS can really say it's done;
9167 if not, anyone can. */
9168 isIcsGame = (gameMode == IcsPlayingWhite ||
9169 gameMode == IcsPlayingBlack ||
9170 gameMode == IcsObserving ||
9171 gameMode == IcsExamining);
9173 if (!isIcsGame || whosays == GE_ICS) {
9174 /* OK -- not an ICS game, or ICS said it was done */
9176 if (!isIcsGame && !appData.noChessProgram)
9177 SetUserThinkingEnables();
9179 /* [HGM] if a machine claims the game end we verify this claim */
9180 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9181 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9183 ChessMove trueResult = (ChessMove) -1;
9185 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9186 first.twoMachinesColor[0] :
9187 second.twoMachinesColor[0] ;
9189 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9190 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9191 /* [HGM] verify: engine mate claims accepted if they were flagged */
9192 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9194 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9195 /* [HGM] verify: engine mate claims accepted if they were flagged */
9196 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9198 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9199 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9202 // now verify win claims, but not in drop games, as we don't understand those yet
9203 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9204 || gameInfo.variant == VariantGreat) &&
9205 (result == WhiteWins && claimer == 'w' ||
9206 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9207 if (appData.debugMode) {
9208 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9209 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9211 if(result != trueResult) {
9212 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9213 result = claimer == 'w' ? BlackWins : WhiteWins;
9214 resultDetails = buf;
9217 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9218 && (forwardMostMove <= backwardMostMove ||
9219 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9220 (claimer=='b')==(forwardMostMove&1))
9222 /* [HGM] verify: draws that were not flagged are false claims */
9223 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9224 result = claimer == 'w' ? BlackWins : WhiteWins;
9225 resultDetails = buf;
9227 /* (Claiming a loss is accepted no questions asked!) */
9229 /* [HGM] bare: don't allow bare King to win */
9230 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9231 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9232 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9233 && result != GameIsDrawn)
9234 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9235 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9236 int p = (signed char)boards[forwardMostMove][i][j] - color;
9237 if(p >= 0 && p <= (int)WhiteKing) k++;
9239 if (appData.debugMode) {
9240 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9241 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9244 result = GameIsDrawn;
9245 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9246 resultDetails = buf;
9252 if(serverMoves != NULL && !loadFlag) { char c = '=';
9253 if(result==WhiteWins) c = '+';
9254 if(result==BlackWins) c = '-';
9255 if(resultDetails != NULL)
9256 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9258 if (resultDetails != NULL) {
9259 gameInfo.result = result;
9260 gameInfo.resultDetails = StrSave(resultDetails);
9262 /* display last move only if game was not loaded from file */
9263 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9264 DisplayMove(currentMove - 1);
9266 if (forwardMostMove != 0) {
9267 if (gameMode != PlayFromGameFile && gameMode != EditGame
9268 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9270 if (*appData.saveGameFile != NULLCHAR) {
9271 SaveGameToFile(appData.saveGameFile, TRUE);
9272 } else if (appData.autoSaveGames) {
9275 if (*appData.savePositionFile != NULLCHAR) {
9276 SavePositionToFile(appData.savePositionFile);
9281 /* Tell program how game ended in case it is learning */
9282 /* [HGM] Moved this to after saving the PGN, just in case */
9283 /* engine died and we got here through time loss. In that */
9284 /* case we will get a fatal error writing the pipe, which */
9285 /* would otherwise lose us the PGN. */
9286 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9287 /* output during GameEnds should never be fatal anymore */
9288 if (gameMode == MachinePlaysWhite ||
9289 gameMode == MachinePlaysBlack ||
9290 gameMode == TwoMachinesPlay ||
9291 gameMode == IcsPlayingWhite ||
9292 gameMode == IcsPlayingBlack ||
9293 gameMode == BeginningOfGame) {
9295 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9297 if (first.pr != NoProc) {
9298 SendToProgram(buf, &first);
9300 if (second.pr != NoProc &&
9301 gameMode == TwoMachinesPlay) {
9302 SendToProgram(buf, &second);
9307 if (appData.icsActive) {
9308 if (appData.quietPlay &&
9309 (gameMode == IcsPlayingWhite ||
9310 gameMode == IcsPlayingBlack)) {
9311 SendToICS(ics_prefix);
9312 SendToICS("set shout 1\n");
9314 nextGameMode = IcsIdle;
9315 ics_user_moved = FALSE;
9316 /* clean up premove. It's ugly when the game has ended and the
9317 * premove highlights are still on the board.
9321 ClearPremoveHighlights();
9322 DrawPosition(FALSE, boards[currentMove]);
9324 if (whosays == GE_ICS) {
9327 if (gameMode == IcsPlayingWhite)
9329 else if(gameMode == IcsPlayingBlack)
9333 if (gameMode == IcsPlayingBlack)
9335 else if(gameMode == IcsPlayingWhite)
9342 PlayIcsUnfinishedSound();
9345 } else if (gameMode == EditGame ||
9346 gameMode == PlayFromGameFile ||
9347 gameMode == AnalyzeMode ||
9348 gameMode == AnalyzeFile) {
9349 nextGameMode = gameMode;
9351 nextGameMode = EndOfGame;
9356 nextGameMode = gameMode;
9359 if (appData.noChessProgram) {
9360 gameMode = nextGameMode;
9362 endingGame = 0; /* [HGM] crash */
9367 /* Put first chess program into idle state */
9368 if (first.pr != NoProc &&
9369 (gameMode == MachinePlaysWhite ||
9370 gameMode == MachinePlaysBlack ||
9371 gameMode == TwoMachinesPlay ||
9372 gameMode == IcsPlayingWhite ||
9373 gameMode == IcsPlayingBlack ||
9374 gameMode == BeginningOfGame)) {
9375 SendToProgram("force\n", &first);
9376 if (first.usePing) {
9378 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9379 SendToProgram(buf, &first);
9382 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9383 /* Kill off first chess program */
9384 if (first.isr != NULL)
9385 RemoveInputSource(first.isr);
9388 if (first.pr != NoProc) {
9390 DoSleep( appData.delayBeforeQuit );
9391 SendToProgram("quit\n", &first);
9392 DoSleep( appData.delayAfterQuit );
9393 DestroyChildProcess(first.pr, first.useSigterm);
9398 /* Put second chess program into idle state */
9399 if (second.pr != NoProc &&
9400 gameMode == TwoMachinesPlay) {
9401 SendToProgram("force\n", &second);
9402 if (second.usePing) {
9404 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9405 SendToProgram(buf, &second);
9408 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9409 /* Kill off second chess program */
9410 if (second.isr != NULL)
9411 RemoveInputSource(second.isr);
9414 if (second.pr != NoProc) {
9415 DoSleep( appData.delayBeforeQuit );
9416 SendToProgram("quit\n", &second);
9417 DoSleep( appData.delayAfterQuit );
9418 DestroyChildProcess(second.pr, second.useSigterm);
9423 if (matchMode && gameMode == TwoMachinesPlay) {
9426 if (first.twoMachinesColor[0] == 'w') {
9433 if (first.twoMachinesColor[0] == 'b') {
9442 if (matchGame < appData.matchGames) {
9444 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9445 tmp = first.twoMachinesColor;
9446 first.twoMachinesColor = second.twoMachinesColor;
9447 second.twoMachinesColor = tmp;
9449 gameMode = nextGameMode;
9451 if(appData.matchPause>10000 || appData.matchPause<10)
9452 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9453 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9454 endingGame = 0; /* [HGM] crash */
9457 gameMode = nextGameMode;
9458 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9459 first.tidy, second.tidy,
9460 first.matchWins, second.matchWins,
9461 appData.matchGames - (first.matchWins + second.matchWins));
9462 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9463 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
9464 first.twoMachinesColor = "black\n";
9465 second.twoMachinesColor = "white\n";
9467 first.twoMachinesColor = "white\n";
9468 second.twoMachinesColor = "black\n";
9472 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9473 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9475 gameMode = nextGameMode;
9477 endingGame = 0; /* [HGM] crash */
9478 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9479 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9480 matchMode = FALSE; appData.matchGames = matchGame = 0;
9486 /* Assumes program was just initialized (initString sent).
9487 Leaves program in force mode. */
9489 FeedMovesToProgram(cps, upto)
9490 ChessProgramState *cps;
9495 if (appData.debugMode)
9496 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9497 startedFromSetupPosition ? "position and " : "",
9498 backwardMostMove, upto, cps->which);
9499 if(currentlyInitializedVariant != gameInfo.variant) {
9501 // [HGM] variantswitch: make engine aware of new variant
9502 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9503 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9504 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9505 SendToProgram(buf, cps);
9506 currentlyInitializedVariant = gameInfo.variant;
9508 SendToProgram("force\n", cps);
9509 if (startedFromSetupPosition) {
9510 SendBoard(cps, backwardMostMove);
9511 if (appData.debugMode) {
9512 fprintf(debugFP, "feedMoves\n");
9515 for (i = backwardMostMove; i < upto; i++) {
9516 SendMoveToProgram(i, cps);
9522 ResurrectChessProgram()
9524 /* The chess program may have exited.
9525 If so, restart it and feed it all the moves made so far. */
9527 if (appData.noChessProgram || first.pr != NoProc) return;
9529 StartChessProgram(&first);
9530 InitChessProgram(&first, FALSE);
9531 FeedMovesToProgram(&first, currentMove);
9533 if (!first.sendTime) {
9534 /* can't tell gnuchess what its clock should read,
9535 so we bow to its notion. */
9537 timeRemaining[0][currentMove] = whiteTimeRemaining;
9538 timeRemaining[1][currentMove] = blackTimeRemaining;
9541 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9542 appData.icsEngineAnalyze) && first.analysisSupport) {
9543 SendToProgram("analyze\n", &first);
9544 first.analyzing = TRUE;
9557 if (appData.debugMode) {
9558 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9559 redraw, init, gameMode);
9561 CleanupTail(); // [HGM] vari: delete any stored variations
9562 pausing = pauseExamInvalid = FALSE;
9563 startedFromSetupPosition = blackPlaysFirst = FALSE;
9565 whiteFlag = blackFlag = FALSE;
9566 userOfferedDraw = FALSE;
9567 hintRequested = bookRequested = FALSE;
9568 first.maybeThinking = FALSE;
9569 second.maybeThinking = FALSE;
9570 first.bookSuspend = FALSE; // [HGM] book
9571 second.bookSuspend = FALSE;
9572 thinkOutput[0] = NULLCHAR;
9573 lastHint[0] = NULLCHAR;
9574 ClearGameInfo(&gameInfo);
9575 gameInfo.variant = StringToVariant(appData.variant);
9576 ics_user_moved = ics_clock_paused = FALSE;
9577 ics_getting_history = H_FALSE;
9579 white_holding[0] = black_holding[0] = NULLCHAR;
9580 ClearProgramStats();
9581 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9585 flipView = appData.flipView;
9586 ClearPremoveHighlights();
9588 alarmSounded = FALSE;
9590 GameEnds(EndOfFile, NULL, GE_PLAYER);
9591 if(appData.serverMovesName != NULL) {
9592 /* [HGM] prepare to make moves file for broadcasting */
9593 clock_t t = clock();
9594 if(serverMoves != NULL) fclose(serverMoves);
9595 serverMoves = fopen(appData.serverMovesName, "r");
9596 if(serverMoves != NULL) {
9597 fclose(serverMoves);
9598 /* delay 15 sec before overwriting, so all clients can see end */
9599 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9601 serverMoves = fopen(appData.serverMovesName, "w");
9605 gameMode = BeginningOfGame;
9607 if(appData.icsActive) gameInfo.variant = VariantNormal;
9608 currentMove = forwardMostMove = backwardMostMove = 0;
9609 InitPosition(redraw);
9610 for (i = 0; i < MAX_MOVES; i++) {
9611 if (commentList[i] != NULL) {
9612 free(commentList[i]);
9613 commentList[i] = NULL;
9617 timeRemaining[0][0] = whiteTimeRemaining;
9618 timeRemaining[1][0] = blackTimeRemaining;
9619 if (first.pr == NULL) {
9620 StartChessProgram(&first);
9623 InitChessProgram(&first, startedFromSetupPosition);
9626 DisplayMessage("", "");
9627 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9628 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9635 if (!AutoPlayOneMove())
9637 if (matchMode || appData.timeDelay == 0)
9639 if (appData.timeDelay < 0)
9641 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9650 int fromX, fromY, toX, toY;
9652 if (appData.debugMode) {
9653 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9656 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
9659 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
9660 pvInfoList[currentMove].depth = programStats.depth;
9661 pvInfoList[currentMove].score = programStats.score;
9662 pvInfoList[currentMove].time = 0;
9663 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
9666 if (currentMove >= forwardMostMove) {
9667 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
9668 gameMode = EditGame;
9671 /* [AS] Clear current move marker at the end of a game */
9672 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9677 toX = moveList[currentMove][2] - AAA;
9678 toY = moveList[currentMove][3] - ONE;
9680 if (moveList[currentMove][1] == '@') {
9681 if (appData.highlightLastMove) {
9682 SetHighlights(-1, -1, toX, toY);
9685 fromX = moveList[currentMove][0] - AAA;
9686 fromY = moveList[currentMove][1] - ONE;
9688 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9690 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9692 if (appData.highlightLastMove) {
9693 SetHighlights(fromX, fromY, toX, toY);
9696 DisplayMove(currentMove);
9697 SendMoveToProgram(currentMove++, &first);
9698 DisplayBothClocks();
9699 DrawPosition(FALSE, boards[currentMove]);
9700 // [HGM] PV info: always display, routine tests if empty
9701 DisplayComment(currentMove - 1, commentList[currentMove]);
9707 LoadGameOneMove(readAhead)
9708 ChessMove readAhead;
9710 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9711 char promoChar = NULLCHAR;
9716 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9717 gameMode != AnalyzeMode && gameMode != Training) {
9722 yyboardindex = forwardMostMove;
9723 if (readAhead != EndOfFile) {
9724 moveType = readAhead;
9726 if (gameFileFP == NULL)
9728 moveType = (ChessMove) Myylex();
9734 if (appData.debugMode)
9735 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9738 /* append the comment but don't display it */
9739 AppendComment(currentMove, p, FALSE);
9742 case WhiteCapturesEnPassant:
9743 case BlackCapturesEnPassant:
9744 case WhitePromotion:
9745 case BlackPromotion:
9746 case WhiteNonPromotion:
9747 case BlackNonPromotion:
9749 case WhiteKingSideCastle:
9750 case WhiteQueenSideCastle:
9751 case BlackKingSideCastle:
9752 case BlackQueenSideCastle:
9753 case WhiteKingSideCastleWild:
9754 case WhiteQueenSideCastleWild:
9755 case BlackKingSideCastleWild:
9756 case BlackQueenSideCastleWild:
9758 case WhiteHSideCastleFR:
9759 case WhiteASideCastleFR:
9760 case BlackHSideCastleFR:
9761 case BlackASideCastleFR:
9763 if (appData.debugMode)
9764 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9765 fromX = currentMoveString[0] - AAA;
9766 fromY = currentMoveString[1] - ONE;
9767 toX = currentMoveString[2] - AAA;
9768 toY = currentMoveString[3] - ONE;
9769 promoChar = currentMoveString[4];
9774 if (appData.debugMode)
9775 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9776 fromX = moveType == WhiteDrop ?
9777 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9778 (int) CharToPiece(ToLower(currentMoveString[0]));
9780 toX = currentMoveString[2] - AAA;
9781 toY = currentMoveString[3] - ONE;
9787 case GameUnfinished:
9788 if (appData.debugMode)
9789 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9790 p = strchr(yy_text, '{');
9791 if (p == NULL) p = strchr(yy_text, '(');
9794 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9796 q = strchr(p, *p == '{' ? '}' : ')');
9797 if (q != NULL) *q = NULLCHAR;
9800 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9801 GameEnds(moveType, p, GE_FILE);
9803 if (cmailMsgLoaded) {
9805 flipView = WhiteOnMove(currentMove);
9806 if (moveType == GameUnfinished) flipView = !flipView;
9807 if (appData.debugMode)
9808 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9813 if (appData.debugMode)
9814 fprintf(debugFP, "Parser hit end of file\n");
9815 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9821 if (WhiteOnMove(currentMove)) {
9822 GameEnds(BlackWins, "Black mates", GE_FILE);
9824 GameEnds(WhiteWins, "White mates", GE_FILE);
9828 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9835 if (lastLoadGameStart == GNUChessGame) {
9836 /* GNUChessGames have numbers, but they aren't move numbers */
9837 if (appData.debugMode)
9838 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9839 yy_text, (int) moveType);
9840 return LoadGameOneMove(EndOfFile); /* tail recursion */
9842 /* else fall thru */
9847 /* Reached start of next game in file */
9848 if (appData.debugMode)
9849 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9850 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9856 if (WhiteOnMove(currentMove)) {
9857 GameEnds(BlackWins, "Black mates", GE_FILE);
9859 GameEnds(WhiteWins, "White mates", GE_FILE);
9863 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9869 case PositionDiagram: /* should not happen; ignore */
9870 case ElapsedTime: /* ignore */
9871 case NAG: /* ignore */
9872 if (appData.debugMode)
9873 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9874 yy_text, (int) moveType);
9875 return LoadGameOneMove(EndOfFile); /* tail recursion */
9878 if (appData.testLegality) {
9879 if (appData.debugMode)
9880 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9881 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9882 (forwardMostMove / 2) + 1,
9883 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9884 DisplayError(move, 0);
9887 if (appData.debugMode)
9888 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9889 yy_text, currentMoveString);
9890 fromX = currentMoveString[0] - AAA;
9891 fromY = currentMoveString[1] - ONE;
9892 toX = currentMoveString[2] - AAA;
9893 toY = currentMoveString[3] - ONE;
9894 promoChar = currentMoveString[4];
9899 if (appData.debugMode)
9900 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9901 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9902 (forwardMostMove / 2) + 1,
9903 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9904 DisplayError(move, 0);
9909 case ImpossibleMove:
9910 if (appData.debugMode)
9911 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9912 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9913 (forwardMostMove / 2) + 1,
9914 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9915 DisplayError(move, 0);
9921 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9922 DrawPosition(FALSE, boards[currentMove]);
9923 DisplayBothClocks();
9924 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9925 DisplayComment(currentMove - 1, commentList[currentMove]);
9927 (void) StopLoadGameTimer();
9929 cmailOldMove = forwardMostMove;
9932 /* currentMoveString is set as a side-effect of yylex */
9933 strcat(currentMoveString, "\n");
9934 safeStrCpy(moveList[forwardMostMove], currentMoveString, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
9936 thinkOutput[0] = NULLCHAR;
9937 MakeMove(fromX, fromY, toX, toY, promoChar);
9938 currentMove = forwardMostMove;
9943 /* Load the nth game from the given file */
9945 LoadGameFromFile(filename, n, title, useList)
9949 /*Boolean*/ int useList;
9954 if (strcmp(filename, "-") == 0) {
9958 f = fopen(filename, "rb");
9960 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9961 DisplayError(buf, errno);
9965 if (fseek(f, 0, 0) == -1) {
9966 /* f is not seekable; probably a pipe */
9969 if (useList && n == 0) {
9970 int error = GameListBuild(f);
9972 DisplayError(_("Cannot build game list"), error);
9973 } else if (!ListEmpty(&gameList) &&
9974 ((ListGame *) gameList.tailPred)->number > 1) {
9975 GameListPopUp(f, title);
9982 return LoadGame(f, n, title, FALSE);
9987 MakeRegisteredMove()
9989 int fromX, fromY, toX, toY;
9991 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9992 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9995 if (appData.debugMode)
9996 fprintf(debugFP, "Restoring %s for game %d\n",
9997 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9999 thinkOutput[0] = NULLCHAR;
10000 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
10001 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
10002 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
10003 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
10004 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
10005 promoChar = cmailMove[lastLoadGameNumber - 1][4];
10006 MakeMove(fromX, fromY, toX, toY, promoChar);
10007 ShowMove(fromX, fromY, toX, toY);
10009 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10016 if (WhiteOnMove(currentMove)) {
10017 GameEnds(BlackWins, "Black mates", GE_PLAYER);
10019 GameEnds(WhiteWins, "White mates", GE_PLAYER);
10024 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10031 if (WhiteOnMove(currentMove)) {
10032 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10034 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10039 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10050 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10052 CmailLoadGame(f, gameNumber, title, useList)
10060 if (gameNumber > nCmailGames) {
10061 DisplayError(_("No more games in this message"), 0);
10064 if (f == lastLoadGameFP) {
10065 int offset = gameNumber - lastLoadGameNumber;
10067 cmailMsg[0] = NULLCHAR;
10068 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10069 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10070 nCmailMovesRegistered--;
10072 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10073 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10074 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10077 if (! RegisterMove()) return FALSE;
10081 retVal = LoadGame(f, gameNumber, title, useList);
10083 /* Make move registered during previous look at this game, if any */
10084 MakeRegisteredMove();
10086 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10087 commentList[currentMove]
10088 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10089 DisplayComment(currentMove - 1, commentList[currentMove]);
10095 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10100 int gameNumber = lastLoadGameNumber + offset;
10101 if (lastLoadGameFP == NULL) {
10102 DisplayError(_("No game has been loaded yet"), 0);
10105 if (gameNumber <= 0) {
10106 DisplayError(_("Can't back up any further"), 0);
10109 if (cmailMsgLoaded) {
10110 return CmailLoadGame(lastLoadGameFP, gameNumber,
10111 lastLoadGameTitle, lastLoadGameUseList);
10113 return LoadGame(lastLoadGameFP, gameNumber,
10114 lastLoadGameTitle, lastLoadGameUseList);
10120 /* Load the nth game from open file f */
10122 LoadGame(f, gameNumber, title, useList)
10130 int gn = gameNumber;
10131 ListGame *lg = NULL;
10132 int numPGNTags = 0;
10134 GameMode oldGameMode;
10135 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10137 if (appData.debugMode)
10138 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10140 if (gameMode == Training )
10141 SetTrainingModeOff();
10143 oldGameMode = gameMode;
10144 if (gameMode != BeginningOfGame) {
10145 Reset(FALSE, TRUE);
10149 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10150 fclose(lastLoadGameFP);
10154 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10157 fseek(f, lg->offset, 0);
10158 GameListHighlight(gameNumber);
10162 DisplayError(_("Game number out of range"), 0);
10167 if (fseek(f, 0, 0) == -1) {
10168 if (f == lastLoadGameFP ?
10169 gameNumber == lastLoadGameNumber + 1 :
10173 DisplayError(_("Can't seek on game file"), 0);
10178 lastLoadGameFP = f;
10179 lastLoadGameNumber = gameNumber;
10180 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10181 lastLoadGameUseList = useList;
10185 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10186 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10187 lg->gameInfo.black);
10189 } else if (*title != NULLCHAR) {
10190 if (gameNumber > 1) {
10191 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10194 DisplayTitle(title);
10198 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10199 gameMode = PlayFromGameFile;
10203 currentMove = forwardMostMove = backwardMostMove = 0;
10204 CopyBoard(boards[0], initialPosition);
10208 * Skip the first gn-1 games in the file.
10209 * Also skip over anything that precedes an identifiable
10210 * start of game marker, to avoid being confused by
10211 * garbage at the start of the file. Currently
10212 * recognized start of game markers are the move number "1",
10213 * the pattern "gnuchess .* game", the pattern
10214 * "^[#;%] [^ ]* game file", and a PGN tag block.
10215 * A game that starts with one of the latter two patterns
10216 * will also have a move number 1, possibly
10217 * following a position diagram.
10218 * 5-4-02: Let's try being more lenient and allowing a game to
10219 * start with an unnumbered move. Does that break anything?
10221 cm = lastLoadGameStart = EndOfFile;
10223 yyboardindex = forwardMostMove;
10224 cm = (ChessMove) Myylex();
10227 if (cmailMsgLoaded) {
10228 nCmailGames = CMAIL_MAX_GAMES - gn;
10231 DisplayError(_("Game not found in file"), 0);
10238 lastLoadGameStart = cm;
10241 case MoveNumberOne:
10242 switch (lastLoadGameStart) {
10247 case MoveNumberOne:
10249 gn--; /* count this game */
10250 lastLoadGameStart = cm;
10259 switch (lastLoadGameStart) {
10262 case MoveNumberOne:
10264 gn--; /* count this game */
10265 lastLoadGameStart = cm;
10268 lastLoadGameStart = cm; /* game counted already */
10276 yyboardindex = forwardMostMove;
10277 cm = (ChessMove) Myylex();
10278 } while (cm == PGNTag || cm == Comment);
10285 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10286 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10287 != CMAIL_OLD_RESULT) {
10289 cmailResult[ CMAIL_MAX_GAMES
10290 - gn - 1] = CMAIL_OLD_RESULT;
10296 /* Only a NormalMove can be at the start of a game
10297 * without a position diagram. */
10298 if (lastLoadGameStart == EndOfFile ) {
10300 lastLoadGameStart = MoveNumberOne;
10309 if (appData.debugMode)
10310 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10312 if (cm == XBoardGame) {
10313 /* Skip any header junk before position diagram and/or move 1 */
10315 yyboardindex = forwardMostMove;
10316 cm = (ChessMove) Myylex();
10318 if (cm == EndOfFile ||
10319 cm == GNUChessGame || cm == XBoardGame) {
10320 /* Empty game; pretend end-of-file and handle later */
10325 if (cm == MoveNumberOne || cm == PositionDiagram ||
10326 cm == PGNTag || cm == Comment)
10329 } else if (cm == GNUChessGame) {
10330 if (gameInfo.event != NULL) {
10331 free(gameInfo.event);
10333 gameInfo.event = StrSave(yy_text);
10336 startedFromSetupPosition = FALSE;
10337 while (cm == PGNTag) {
10338 if (appData.debugMode)
10339 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10340 err = ParsePGNTag(yy_text, &gameInfo);
10341 if (!err) numPGNTags++;
10343 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10344 if(gameInfo.variant != oldVariant) {
10345 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10346 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10347 InitPosition(TRUE);
10348 oldVariant = gameInfo.variant;
10349 if (appData.debugMode)
10350 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10354 if (gameInfo.fen != NULL) {
10355 Board initial_position;
10356 startedFromSetupPosition = TRUE;
10357 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10359 DisplayError(_("Bad FEN position in file"), 0);
10362 CopyBoard(boards[0], initial_position);
10363 if (blackPlaysFirst) {
10364 currentMove = forwardMostMove = backwardMostMove = 1;
10365 CopyBoard(boards[1], initial_position);
10366 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10367 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10368 timeRemaining[0][1] = whiteTimeRemaining;
10369 timeRemaining[1][1] = blackTimeRemaining;
10370 if (commentList[0] != NULL) {
10371 commentList[1] = commentList[0];
10372 commentList[0] = NULL;
10375 currentMove = forwardMostMove = backwardMostMove = 0;
10377 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10379 initialRulePlies = FENrulePlies;
10380 for( i=0; i< nrCastlingRights; i++ )
10381 initialRights[i] = initial_position[CASTLING][i];
10383 yyboardindex = forwardMostMove;
10384 free(gameInfo.fen);
10385 gameInfo.fen = NULL;
10388 yyboardindex = forwardMostMove;
10389 cm = (ChessMove) Myylex();
10391 /* Handle comments interspersed among the tags */
10392 while (cm == Comment) {
10394 if (appData.debugMode)
10395 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10397 AppendComment(currentMove, p, FALSE);
10398 yyboardindex = forwardMostMove;
10399 cm = (ChessMove) Myylex();
10403 /* don't rely on existence of Event tag since if game was
10404 * pasted from clipboard the Event tag may not exist
10406 if (numPGNTags > 0){
10408 if (gameInfo.variant == VariantNormal) {
10409 VariantClass v = StringToVariant(gameInfo.event);
10410 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10411 if(v < VariantShogi) gameInfo.variant = v;
10414 if( appData.autoDisplayTags ) {
10415 tags = PGNTags(&gameInfo);
10416 TagsPopUp(tags, CmailMsg());
10421 /* Make something up, but don't display it now */
10426 if (cm == PositionDiagram) {
10429 Board initial_position;
10431 if (appData.debugMode)
10432 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10434 if (!startedFromSetupPosition) {
10436 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10437 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10447 initial_position[i][j++] = CharToPiece(*p);
10450 while (*p == ' ' || *p == '\t' ||
10451 *p == '\n' || *p == '\r') p++;
10453 if (strncmp(p, "black", strlen("black"))==0)
10454 blackPlaysFirst = TRUE;
10456 blackPlaysFirst = FALSE;
10457 startedFromSetupPosition = TRUE;
10459 CopyBoard(boards[0], initial_position);
10460 if (blackPlaysFirst) {
10461 currentMove = forwardMostMove = backwardMostMove = 1;
10462 CopyBoard(boards[1], initial_position);
10463 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10464 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10465 timeRemaining[0][1] = whiteTimeRemaining;
10466 timeRemaining[1][1] = blackTimeRemaining;
10467 if (commentList[0] != NULL) {
10468 commentList[1] = commentList[0];
10469 commentList[0] = NULL;
10472 currentMove = forwardMostMove = backwardMostMove = 0;
10475 yyboardindex = forwardMostMove;
10476 cm = (ChessMove) Myylex();
10479 if (first.pr == NoProc) {
10480 StartChessProgram(&first);
10482 InitChessProgram(&first, FALSE);
10483 SendToProgram("force\n", &first);
10484 if (startedFromSetupPosition) {
10485 SendBoard(&first, forwardMostMove);
10486 if (appData.debugMode) {
10487 fprintf(debugFP, "Load Game\n");
10489 DisplayBothClocks();
10492 /* [HGM] server: flag to write setup moves in broadcast file as one */
10493 loadFlag = appData.suppressLoadMoves;
10495 while (cm == Comment) {
10497 if (appData.debugMode)
10498 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10500 AppendComment(currentMove, p, FALSE);
10501 yyboardindex = forwardMostMove;
10502 cm = (ChessMove) Myylex();
10505 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10506 cm == WhiteWins || cm == BlackWins ||
10507 cm == GameIsDrawn || cm == GameUnfinished) {
10508 DisplayMessage("", _("No moves in game"));
10509 if (cmailMsgLoaded) {
10510 if (appData.debugMode)
10511 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10515 DrawPosition(FALSE, boards[currentMove]);
10516 DisplayBothClocks();
10517 gameMode = EditGame;
10524 // [HGM] PV info: routine tests if comment empty
10525 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10526 DisplayComment(currentMove - 1, commentList[currentMove]);
10528 if (!matchMode && appData.timeDelay != 0)
10529 DrawPosition(FALSE, boards[currentMove]);
10531 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10532 programStats.ok_to_send = 1;
10535 /* if the first token after the PGN tags is a move
10536 * and not move number 1, retrieve it from the parser
10538 if (cm != MoveNumberOne)
10539 LoadGameOneMove(cm);
10541 /* load the remaining moves from the file */
10542 while (LoadGameOneMove(EndOfFile)) {
10543 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10544 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10547 /* rewind to the start of the game */
10548 currentMove = backwardMostMove;
10550 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10552 if (oldGameMode == AnalyzeFile ||
10553 oldGameMode == AnalyzeMode) {
10554 AnalyzeFileEvent();
10557 if (matchMode || appData.timeDelay == 0) {
10559 gameMode = EditGame;
10561 } else if (appData.timeDelay > 0) {
10562 AutoPlayGameLoop();
10565 if (appData.debugMode)
10566 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10568 loadFlag = 0; /* [HGM] true game starts */
10572 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10574 ReloadPosition(offset)
10577 int positionNumber = lastLoadPositionNumber + offset;
10578 if (lastLoadPositionFP == NULL) {
10579 DisplayError(_("No position has been loaded yet"), 0);
10582 if (positionNumber <= 0) {
10583 DisplayError(_("Can't back up any further"), 0);
10586 return LoadPosition(lastLoadPositionFP, positionNumber,
10587 lastLoadPositionTitle);
10590 /* Load the nth position from the given file */
10592 LoadPositionFromFile(filename, n, title)
10600 if (strcmp(filename, "-") == 0) {
10601 return LoadPosition(stdin, n, "stdin");
10603 f = fopen(filename, "rb");
10605 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10606 DisplayError(buf, errno);
10609 return LoadPosition(f, n, title);
10614 /* Load the nth position from the given open file, and close it */
10616 LoadPosition(f, positionNumber, title)
10618 int positionNumber;
10621 char *p, line[MSG_SIZ];
10622 Board initial_position;
10623 int i, j, fenMode, pn;
10625 if (gameMode == Training )
10626 SetTrainingModeOff();
10628 if (gameMode != BeginningOfGame) {
10629 Reset(FALSE, TRUE);
10631 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10632 fclose(lastLoadPositionFP);
10634 if (positionNumber == 0) positionNumber = 1;
10635 lastLoadPositionFP = f;
10636 lastLoadPositionNumber = positionNumber;
10637 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10638 if (first.pr == NoProc) {
10639 StartChessProgram(&first);
10640 InitChessProgram(&first, FALSE);
10642 pn = positionNumber;
10643 if (positionNumber < 0) {
10644 /* Negative position number means to seek to that byte offset */
10645 if (fseek(f, -positionNumber, 0) == -1) {
10646 DisplayError(_("Can't seek on position file"), 0);
10651 if (fseek(f, 0, 0) == -1) {
10652 if (f == lastLoadPositionFP ?
10653 positionNumber == lastLoadPositionNumber + 1 :
10654 positionNumber == 1) {
10657 DisplayError(_("Can't seek on position file"), 0);
10662 /* See if this file is FEN or old-style xboard */
10663 if (fgets(line, MSG_SIZ, f) == NULL) {
10664 DisplayError(_("Position not found in file"), 0);
10667 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10668 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10671 if (fenMode || line[0] == '#') pn--;
10673 /* skip positions before number pn */
10674 if (fgets(line, MSG_SIZ, f) == NULL) {
10676 DisplayError(_("Position not found in file"), 0);
10679 if (fenMode || line[0] == '#') pn--;
10684 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10685 DisplayError(_("Bad FEN position in file"), 0);
10689 (void) fgets(line, MSG_SIZ, f);
10690 (void) fgets(line, MSG_SIZ, f);
10692 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10693 (void) fgets(line, MSG_SIZ, f);
10694 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10697 initial_position[i][j++] = CharToPiece(*p);
10701 blackPlaysFirst = FALSE;
10703 (void) fgets(line, MSG_SIZ, f);
10704 if (strncmp(line, "black", strlen("black"))==0)
10705 blackPlaysFirst = TRUE;
10708 startedFromSetupPosition = TRUE;
10710 SendToProgram("force\n", &first);
10711 CopyBoard(boards[0], initial_position);
10712 if (blackPlaysFirst) {
10713 currentMove = forwardMostMove = backwardMostMove = 1;
10714 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10715 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10716 CopyBoard(boards[1], initial_position);
10717 DisplayMessage("", _("Black to play"));
10719 currentMove = forwardMostMove = backwardMostMove = 0;
10720 DisplayMessage("", _("White to play"));
10722 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10723 SendBoard(&first, forwardMostMove);
10724 if (appData.debugMode) {
10726 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10727 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10728 fprintf(debugFP, "Load Position\n");
10731 if (positionNumber > 1) {
10732 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10733 DisplayTitle(line);
10735 DisplayTitle(title);
10737 gameMode = EditGame;
10740 timeRemaining[0][1] = whiteTimeRemaining;
10741 timeRemaining[1][1] = blackTimeRemaining;
10742 DrawPosition(FALSE, boards[currentMove]);
10749 CopyPlayerNameIntoFileName(dest, src)
10752 while (*src != NULLCHAR && *src != ',') {
10757 *(*dest)++ = *src++;
10762 char *DefaultFileName(ext)
10765 static char def[MSG_SIZ];
10768 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10770 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10772 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10774 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10781 /* Save the current game to the given file */
10783 SaveGameToFile(filename, append)
10790 if (strcmp(filename, "-") == 0) {
10791 return SaveGame(stdout, 0, NULL);
10793 f = fopen(filename, append ? "a" : "w");
10795 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10796 DisplayError(buf, errno);
10799 return SaveGame(f, 0, NULL);
10808 static char buf[MSG_SIZ];
10811 p = strchr(str, ' ');
10812 if (p == NULL) return str;
10813 strncpy(buf, str, p - str);
10814 buf[p - str] = NULLCHAR;
10818 #define PGN_MAX_LINE 75
10820 #define PGN_SIDE_WHITE 0
10821 #define PGN_SIDE_BLACK 1
10824 static int FindFirstMoveOutOfBook( int side )
10828 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10829 int index = backwardMostMove;
10830 int has_book_hit = 0;
10832 if( (index % 2) != side ) {
10836 while( index < forwardMostMove ) {
10837 /* Check to see if engine is in book */
10838 int depth = pvInfoList[index].depth;
10839 int score = pvInfoList[index].score;
10845 else if( score == 0 && depth == 63 ) {
10846 in_book = 1; /* Zappa */
10848 else if( score == 2 && depth == 99 ) {
10849 in_book = 1; /* Abrok */
10852 has_book_hit += in_book;
10868 void GetOutOfBookInfo( char * buf )
10872 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10874 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10875 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10879 if( oob[0] >= 0 || oob[1] >= 0 ) {
10880 for( i=0; i<2; i++ ) {
10884 if( i > 0 && oob[0] >= 0 ) {
10885 strcat( buf, " " );
10888 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10889 sprintf( buf+strlen(buf), "%s%.2f",
10890 pvInfoList[idx].score >= 0 ? "+" : "",
10891 pvInfoList[idx].score / 100.0 );
10897 /* Save game in PGN style and close the file */
10902 int i, offset, linelen, newblock;
10906 int movelen, numlen, blank;
10907 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10909 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10911 tm = time((time_t *) NULL);
10913 PrintPGNTags(f, &gameInfo);
10915 if (backwardMostMove > 0 || startedFromSetupPosition) {
10916 char *fen = PositionToFEN(backwardMostMove, NULL);
10917 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10918 fprintf(f, "\n{--------------\n");
10919 PrintPosition(f, backwardMostMove);
10920 fprintf(f, "--------------}\n");
10924 /* [AS] Out of book annotation */
10925 if( appData.saveOutOfBookInfo ) {
10928 GetOutOfBookInfo( buf );
10930 if( buf[0] != '\0' ) {
10931 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10938 i = backwardMostMove;
10942 while (i < forwardMostMove) {
10943 /* Print comments preceding this move */
10944 if (commentList[i] != NULL) {
10945 if (linelen > 0) fprintf(f, "\n");
10946 fprintf(f, "%s", commentList[i]);
10951 /* Format move number */
10953 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10956 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10958 numtext[0] = NULLCHAR;
10960 numlen = strlen(numtext);
10963 /* Print move number */
10964 blank = linelen > 0 && numlen > 0;
10965 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10974 fprintf(f, "%s", numtext);
10978 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10979 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10982 blank = linelen > 0 && movelen > 0;
10983 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10992 fprintf(f, "%s", move_buffer);
10993 linelen += movelen;
10995 /* [AS] Add PV info if present */
10996 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10997 /* [HGM] add time */
10998 char buf[MSG_SIZ]; int seconds;
11000 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
11006 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
11009 seconds = (seconds + 4)/10; // round to full seconds
11011 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
11013 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
11016 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
11017 pvInfoList[i].score >= 0 ? "+" : "",
11018 pvInfoList[i].score / 100.0,
11019 pvInfoList[i].depth,
11022 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
11024 /* Print score/depth */
11025 blank = linelen > 0 && movelen > 0;
11026 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11035 fprintf(f, "%s", move_buffer);
11036 linelen += movelen;
11042 /* Start a new line */
11043 if (linelen > 0) fprintf(f, "\n");
11045 /* Print comments after last move */
11046 if (commentList[i] != NULL) {
11047 fprintf(f, "%s\n", commentList[i]);
11051 if (gameInfo.resultDetails != NULL &&
11052 gameInfo.resultDetails[0] != NULLCHAR) {
11053 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11054 PGNResult(gameInfo.result));
11056 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11060 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11064 /* Save game in old style and close the file */
11066 SaveGameOldStyle(f)
11072 tm = time((time_t *) NULL);
11074 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11077 if (backwardMostMove > 0 || startedFromSetupPosition) {
11078 fprintf(f, "\n[--------------\n");
11079 PrintPosition(f, backwardMostMove);
11080 fprintf(f, "--------------]\n");
11085 i = backwardMostMove;
11086 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11088 while (i < forwardMostMove) {
11089 if (commentList[i] != NULL) {
11090 fprintf(f, "[%s]\n", commentList[i]);
11093 if ((i % 2) == 1) {
11094 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11097 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11099 if (commentList[i] != NULL) {
11103 if (i >= forwardMostMove) {
11107 fprintf(f, "%s\n", parseList[i]);
11112 if (commentList[i] != NULL) {
11113 fprintf(f, "[%s]\n", commentList[i]);
11116 /* This isn't really the old style, but it's close enough */
11117 if (gameInfo.resultDetails != NULL &&
11118 gameInfo.resultDetails[0] != NULLCHAR) {
11119 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11120 gameInfo.resultDetails);
11122 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11129 /* Save the current game to open file f and close the file */
11131 SaveGame(f, dummy, dummy2)
11136 if (gameMode == EditPosition) EditPositionDone(TRUE);
11137 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11138 if (appData.oldSaveStyle)
11139 return SaveGameOldStyle(f);
11141 return SaveGamePGN(f);
11144 /* Save the current position to the given file */
11146 SavePositionToFile(filename)
11152 if (strcmp(filename, "-") == 0) {
11153 return SavePosition(stdout, 0, NULL);
11155 f = fopen(filename, "a");
11157 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11158 DisplayError(buf, errno);
11161 SavePosition(f, 0, NULL);
11167 /* Save the current position to the given open file and close the file */
11169 SavePosition(f, dummy, dummy2)
11177 if (gameMode == EditPosition) EditPositionDone(TRUE);
11178 if (appData.oldSaveStyle) {
11179 tm = time((time_t *) NULL);
11181 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11183 fprintf(f, "[--------------\n");
11184 PrintPosition(f, currentMove);
11185 fprintf(f, "--------------]\n");
11187 fen = PositionToFEN(currentMove, NULL);
11188 fprintf(f, "%s\n", fen);
11196 ReloadCmailMsgEvent(unregister)
11200 static char *inFilename = NULL;
11201 static char *outFilename;
11203 struct stat inbuf, outbuf;
11206 /* Any registered moves are unregistered if unregister is set, */
11207 /* i.e. invoked by the signal handler */
11209 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11210 cmailMoveRegistered[i] = FALSE;
11211 if (cmailCommentList[i] != NULL) {
11212 free(cmailCommentList[i]);
11213 cmailCommentList[i] = NULL;
11216 nCmailMovesRegistered = 0;
11219 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11220 cmailResult[i] = CMAIL_NOT_RESULT;
11224 if (inFilename == NULL) {
11225 /* Because the filenames are static they only get malloced once */
11226 /* and they never get freed */
11227 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11228 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11230 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11231 sprintf(outFilename, "%s.out", appData.cmailGameName);
11234 status = stat(outFilename, &outbuf);
11236 cmailMailedMove = FALSE;
11238 status = stat(inFilename, &inbuf);
11239 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11242 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11243 counts the games, notes how each one terminated, etc.
11245 It would be nice to remove this kludge and instead gather all
11246 the information while building the game list. (And to keep it
11247 in the game list nodes instead of having a bunch of fixed-size
11248 parallel arrays.) Note this will require getting each game's
11249 termination from the PGN tags, as the game list builder does
11250 not process the game moves. --mann
11252 cmailMsgLoaded = TRUE;
11253 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11255 /* Load first game in the file or popup game menu */
11256 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11258 #endif /* !WIN32 */
11266 char string[MSG_SIZ];
11268 if ( cmailMailedMove
11269 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11270 return TRUE; /* Allow free viewing */
11273 /* Unregister move to ensure that we don't leave RegisterMove */
11274 /* with the move registered when the conditions for registering no */
11276 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11277 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11278 nCmailMovesRegistered --;
11280 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11282 free(cmailCommentList[lastLoadGameNumber - 1]);
11283 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11287 if (cmailOldMove == -1) {
11288 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11292 if (currentMove > cmailOldMove + 1) {
11293 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11297 if (currentMove < cmailOldMove) {
11298 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11302 if (forwardMostMove > currentMove) {
11303 /* Silently truncate extra moves */
11307 if ( (currentMove == cmailOldMove + 1)
11308 || ( (currentMove == cmailOldMove)
11309 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11310 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11311 if (gameInfo.result != GameUnfinished) {
11312 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11315 if (commentList[currentMove] != NULL) {
11316 cmailCommentList[lastLoadGameNumber - 1]
11317 = StrSave(commentList[currentMove]);
11319 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11321 if (appData.debugMode)
11322 fprintf(debugFP, "Saving %s for game %d\n",
11323 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11325 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11327 f = fopen(string, "w");
11328 if (appData.oldSaveStyle) {
11329 SaveGameOldStyle(f); /* also closes the file */
11331 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11332 f = fopen(string, "w");
11333 SavePosition(f, 0, NULL); /* also closes the file */
11335 fprintf(f, "{--------------\n");
11336 PrintPosition(f, currentMove);
11337 fprintf(f, "--------------}\n\n");
11339 SaveGame(f, 0, NULL); /* also closes the file*/
11342 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11343 nCmailMovesRegistered ++;
11344 } else if (nCmailGames == 1) {
11345 DisplayError(_("You have not made a move yet"), 0);
11356 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11357 FILE *commandOutput;
11358 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11359 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11365 if (! cmailMsgLoaded) {
11366 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11370 if (nCmailGames == nCmailResults) {
11371 DisplayError(_("No unfinished games"), 0);
11375 #if CMAIL_PROHIBIT_REMAIL
11376 if (cmailMailedMove) {
11377 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);
11378 DisplayError(msg, 0);
11383 if (! (cmailMailedMove || RegisterMove())) return;
11385 if ( cmailMailedMove
11386 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11387 snprintf(string, MSG_SIZ, partCommandString,
11388 appData.debugMode ? " -v" : "", appData.cmailGameName);
11389 commandOutput = popen(string, "r");
11391 if (commandOutput == NULL) {
11392 DisplayError(_("Failed to invoke cmail"), 0);
11394 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11395 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11397 if (nBuffers > 1) {
11398 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11399 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11400 nBytes = MSG_SIZ - 1;
11402 (void) memcpy(msg, buffer, nBytes);
11404 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11406 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11407 cmailMailedMove = TRUE; /* Prevent >1 moves */
11410 for (i = 0; i < nCmailGames; i ++) {
11411 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11416 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11418 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11420 appData.cmailGameName,
11422 LoadGameFromFile(buffer, 1, buffer, FALSE);
11423 cmailMsgLoaded = FALSE;
11427 DisplayInformation(msg);
11428 pclose(commandOutput);
11431 if ((*cmailMsg) != '\0') {
11432 DisplayInformation(cmailMsg);
11437 #endif /* !WIN32 */
11446 int prependComma = 0;
11448 char string[MSG_SIZ]; /* Space for game-list */
11451 if (!cmailMsgLoaded) return "";
11453 if (cmailMailedMove) {
11454 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11456 /* Create a list of games left */
11457 snprintf(string, MSG_SIZ, "[");
11458 for (i = 0; i < nCmailGames; i ++) {
11459 if (! ( cmailMoveRegistered[i]
11460 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11461 if (prependComma) {
11462 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11464 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11468 strcat(string, number);
11471 strcat(string, "]");
11473 if (nCmailMovesRegistered + nCmailResults == 0) {
11474 switch (nCmailGames) {
11476 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11480 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11484 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11489 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11491 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11496 if (nCmailResults == nCmailGames) {
11497 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11499 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11504 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11516 if (gameMode == Training)
11517 SetTrainingModeOff();
11520 cmailMsgLoaded = FALSE;
11521 if (appData.icsActive) {
11522 SendToICS(ics_prefix);
11523 SendToICS("refresh\n");
11533 /* Give up on clean exit */
11537 /* Keep trying for clean exit */
11541 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11543 if (telnetISR != NULL) {
11544 RemoveInputSource(telnetISR);
11546 if (icsPR != NoProc) {
11547 DestroyChildProcess(icsPR, TRUE);
11550 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11551 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11553 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11554 /* make sure this other one finishes before killing it! */
11555 if(endingGame) { int count = 0;
11556 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11557 while(endingGame && count++ < 10) DoSleep(1);
11558 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11561 /* Kill off chess programs */
11562 if (first.pr != NoProc) {
11565 DoSleep( appData.delayBeforeQuit );
11566 SendToProgram("quit\n", &first);
11567 DoSleep( appData.delayAfterQuit );
11568 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11570 if (second.pr != NoProc) {
11571 DoSleep( appData.delayBeforeQuit );
11572 SendToProgram("quit\n", &second);
11573 DoSleep( appData.delayAfterQuit );
11574 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11576 if (first.isr != NULL) {
11577 RemoveInputSource(first.isr);
11579 if (second.isr != NULL) {
11580 RemoveInputSource(second.isr);
11583 ShutDownFrontEnd();
11590 if (appData.debugMode)
11591 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11595 if (gameMode == MachinePlaysWhite ||
11596 gameMode == MachinePlaysBlack) {
11599 DisplayBothClocks();
11601 if (gameMode == PlayFromGameFile) {
11602 if (appData.timeDelay >= 0)
11603 AutoPlayGameLoop();
11604 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11605 Reset(FALSE, TRUE);
11606 SendToICS(ics_prefix);
11607 SendToICS("refresh\n");
11608 } else if (currentMove < forwardMostMove) {
11609 ForwardInner(forwardMostMove);
11611 pauseExamInvalid = FALSE;
11613 switch (gameMode) {
11617 pauseExamForwardMostMove = forwardMostMove;
11618 pauseExamInvalid = FALSE;
11621 case IcsPlayingWhite:
11622 case IcsPlayingBlack:
11626 case PlayFromGameFile:
11627 (void) StopLoadGameTimer();
11631 case BeginningOfGame:
11632 if (appData.icsActive) return;
11633 /* else fall through */
11634 case MachinePlaysWhite:
11635 case MachinePlaysBlack:
11636 case TwoMachinesPlay:
11637 if (forwardMostMove == 0)
11638 return; /* don't pause if no one has moved */
11639 if ((gameMode == MachinePlaysWhite &&
11640 !WhiteOnMove(forwardMostMove)) ||
11641 (gameMode == MachinePlaysBlack &&
11642 WhiteOnMove(forwardMostMove))) {
11655 char title[MSG_SIZ];
11657 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11658 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11660 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11661 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11662 parseList[currentMove - 1]);
11665 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11672 char *tags = PGNTags(&gameInfo);
11673 EditTagsPopUp(tags, NULL);
11680 if (appData.noChessProgram || gameMode == AnalyzeMode)
11683 if (gameMode != AnalyzeFile) {
11684 if (!appData.icsEngineAnalyze) {
11686 if (gameMode != EditGame) return;
11688 ResurrectChessProgram();
11689 SendToProgram("analyze\n", &first);
11690 first.analyzing = TRUE;
11691 /*first.maybeThinking = TRUE;*/
11692 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11693 EngineOutputPopUp();
11695 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11700 StartAnalysisClock();
11701 GetTimeMark(&lastNodeCountTime);
11708 if (appData.noChessProgram || gameMode == AnalyzeFile)
11711 if (gameMode != AnalyzeMode) {
11713 if (gameMode != EditGame) return;
11714 ResurrectChessProgram();
11715 SendToProgram("analyze\n", &first);
11716 first.analyzing = TRUE;
11717 /*first.maybeThinking = TRUE;*/
11718 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11719 EngineOutputPopUp();
11721 gameMode = AnalyzeFile;
11726 StartAnalysisClock();
11727 GetTimeMark(&lastNodeCountTime);
11732 MachineWhiteEvent()
11735 char *bookHit = NULL;
11737 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11741 if (gameMode == PlayFromGameFile ||
11742 gameMode == TwoMachinesPlay ||
11743 gameMode == Training ||
11744 gameMode == AnalyzeMode ||
11745 gameMode == EndOfGame)
11748 if (gameMode == EditPosition)
11749 EditPositionDone(TRUE);
11751 if (!WhiteOnMove(currentMove)) {
11752 DisplayError(_("It is not White's turn"), 0);
11756 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11759 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11760 gameMode == AnalyzeFile)
11763 ResurrectChessProgram(); /* in case it isn't running */
11764 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11765 gameMode = MachinePlaysWhite;
11768 gameMode = MachinePlaysWhite;
11772 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11774 if (first.sendName) {
11775 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11776 SendToProgram(buf, &first);
11778 if (first.sendTime) {
11779 if (first.useColors) {
11780 SendToProgram("black\n", &first); /*gnu kludge*/
11782 SendTimeRemaining(&first, TRUE);
11784 if (first.useColors) {
11785 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11787 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11788 SetMachineThinkingEnables();
11789 first.maybeThinking = TRUE;
11793 if (appData.autoFlipView && !flipView) {
11794 flipView = !flipView;
11795 DrawPosition(FALSE, NULL);
11796 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11799 if(bookHit) { // [HGM] book: simulate book reply
11800 static char bookMove[MSG_SIZ]; // a bit generous?
11802 programStats.nodes = programStats.depth = programStats.time =
11803 programStats.score = programStats.got_only_move = 0;
11804 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11806 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11807 strcat(bookMove, bookHit);
11808 HandleMachineMove(bookMove, &first);
11813 MachineBlackEvent()
11816 char *bookHit = NULL;
11818 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11822 if (gameMode == PlayFromGameFile ||
11823 gameMode == TwoMachinesPlay ||
11824 gameMode == Training ||
11825 gameMode == AnalyzeMode ||
11826 gameMode == EndOfGame)
11829 if (gameMode == EditPosition)
11830 EditPositionDone(TRUE);
11832 if (WhiteOnMove(currentMove)) {
11833 DisplayError(_("It is not Black's turn"), 0);
11837 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11840 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11841 gameMode == AnalyzeFile)
11844 ResurrectChessProgram(); /* in case it isn't running */
11845 gameMode = MachinePlaysBlack;
11849 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11851 if (first.sendName) {
11852 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11853 SendToProgram(buf, &first);
11855 if (first.sendTime) {
11856 if (first.useColors) {
11857 SendToProgram("white\n", &first); /*gnu kludge*/
11859 SendTimeRemaining(&first, FALSE);
11861 if (first.useColors) {
11862 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11864 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11865 SetMachineThinkingEnables();
11866 first.maybeThinking = TRUE;
11869 if (appData.autoFlipView && flipView) {
11870 flipView = !flipView;
11871 DrawPosition(FALSE, NULL);
11872 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11874 if(bookHit) { // [HGM] book: simulate book reply
11875 static char bookMove[MSG_SIZ]; // a bit generous?
11877 programStats.nodes = programStats.depth = programStats.time =
11878 programStats.score = programStats.got_only_move = 0;
11879 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11881 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11882 strcat(bookMove, bookHit);
11883 HandleMachineMove(bookMove, &first);
11889 DisplayTwoMachinesTitle()
11892 if (appData.matchGames > 0) {
11893 if (first.twoMachinesColor[0] == 'w') {
11894 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11895 gameInfo.white, gameInfo.black,
11896 first.matchWins, second.matchWins,
11897 matchGame - 1 - (first.matchWins + second.matchWins));
11899 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11900 gameInfo.white, gameInfo.black,
11901 second.matchWins, first.matchWins,
11902 matchGame - 1 - (first.matchWins + second.matchWins));
11905 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11911 SettingsMenuIfReady()
11913 if (second.lastPing != second.lastPong) {
11914 DisplayMessage("", _("Waiting for second chess program"));
11915 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
11919 DisplayMessage("", "");
11920 SettingsPopUp(&second);
11924 WaitForSecond(DelayedEventCallback retry)
11926 if (second.pr == NULL) {
11927 StartChessProgram(&second);
11928 if (second.protocolVersion == 1) {
11931 /* kludge: allow timeout for initial "feature" command */
11933 DisplayMessage("", _("Starting second chess program"));
11934 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
11942 TwoMachinesEvent P((void))
11946 ChessProgramState *onmove;
11947 char *bookHit = NULL;
11949 if (appData.noChessProgram) return;
11951 switch (gameMode) {
11952 case TwoMachinesPlay:
11954 case MachinePlaysWhite:
11955 case MachinePlaysBlack:
11956 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11957 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11961 case BeginningOfGame:
11962 case PlayFromGameFile:
11965 if (gameMode != EditGame) return;
11968 EditPositionDone(TRUE);
11979 // forwardMostMove = currentMove;
11980 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11981 ResurrectChessProgram(); /* in case first program isn't running */
11983 if(WaitForSecond(TwoMachinesEventIfReady)) return;
11984 DisplayMessage("", "");
11985 InitChessProgram(&second, FALSE);
11986 SendToProgram("force\n", &second);
11987 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
11988 ScheduleDelayedEvent(TwoMachinesEvent, 10);
11991 if (startedFromSetupPosition) {
11992 SendBoard(&second, backwardMostMove);
11993 if (appData.debugMode) {
11994 fprintf(debugFP, "Two Machines\n");
11997 for (i = backwardMostMove; i < forwardMostMove; i++) {
11998 SendMoveToProgram(i, &second);
12001 gameMode = TwoMachinesPlay;
12005 DisplayTwoMachinesTitle();
12007 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
12013 SendToProgram(first.computerString, &first);
12014 if (first.sendName) {
12015 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
12016 SendToProgram(buf, &first);
12018 SendToProgram(second.computerString, &second);
12019 if (second.sendName) {
12020 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
12021 SendToProgram(buf, &second);
12025 if (!first.sendTime || !second.sendTime) {
12026 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12027 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12029 if (onmove->sendTime) {
12030 if (onmove->useColors) {
12031 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12033 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12035 if (onmove->useColors) {
12036 SendToProgram(onmove->twoMachinesColor, onmove);
12038 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12039 // SendToProgram("go\n", onmove);
12040 onmove->maybeThinking = TRUE;
12041 SetMachineThinkingEnables();
12045 if(bookHit) { // [HGM] book: simulate book reply
12046 static char bookMove[MSG_SIZ]; // a bit generous?
12048 programStats.nodes = programStats.depth = programStats.time =
12049 programStats.score = programStats.got_only_move = 0;
12050 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12052 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12053 strcat(bookMove, bookHit);
12054 savedMessage = bookMove; // args for deferred call
12055 savedState = onmove;
12056 ScheduleDelayedEvent(DeferredBookMove, 1);
12063 if (gameMode == Training) {
12064 SetTrainingModeOff();
12065 gameMode = PlayFromGameFile;
12066 DisplayMessage("", _("Training mode off"));
12068 gameMode = Training;
12069 animateTraining = appData.animate;
12071 /* make sure we are not already at the end of the game */
12072 if (currentMove < forwardMostMove) {
12073 SetTrainingModeOn();
12074 DisplayMessage("", _("Training mode on"));
12076 gameMode = PlayFromGameFile;
12077 DisplayError(_("Already at end of game"), 0);
12086 if (!appData.icsActive) return;
12087 switch (gameMode) {
12088 case IcsPlayingWhite:
12089 case IcsPlayingBlack:
12092 case BeginningOfGame:
12100 EditPositionDone(TRUE);
12113 gameMode = IcsIdle;
12124 switch (gameMode) {
12126 SetTrainingModeOff();
12128 case MachinePlaysWhite:
12129 case MachinePlaysBlack:
12130 case BeginningOfGame:
12131 SendToProgram("force\n", &first);
12132 SetUserThinkingEnables();
12134 case PlayFromGameFile:
12135 (void) StopLoadGameTimer();
12136 if (gameFileFP != NULL) {
12141 EditPositionDone(TRUE);
12146 SendToProgram("force\n", &first);
12148 case TwoMachinesPlay:
12149 GameEnds(EndOfFile, NULL, GE_PLAYER);
12150 ResurrectChessProgram();
12151 SetUserThinkingEnables();
12154 ResurrectChessProgram();
12156 case IcsPlayingBlack:
12157 case IcsPlayingWhite:
12158 DisplayError(_("Warning: You are still playing a game"), 0);
12161 DisplayError(_("Warning: You are still observing a game"), 0);
12164 DisplayError(_("Warning: You are still examining a game"), 0);
12175 first.offeredDraw = second.offeredDraw = 0;
12177 if (gameMode == PlayFromGameFile) {
12178 whiteTimeRemaining = timeRemaining[0][currentMove];
12179 blackTimeRemaining = timeRemaining[1][currentMove];
12183 if (gameMode == MachinePlaysWhite ||
12184 gameMode == MachinePlaysBlack ||
12185 gameMode == TwoMachinesPlay ||
12186 gameMode == EndOfGame) {
12187 i = forwardMostMove;
12188 while (i > currentMove) {
12189 SendToProgram("undo\n", &first);
12192 whiteTimeRemaining = timeRemaining[0][currentMove];
12193 blackTimeRemaining = timeRemaining[1][currentMove];
12194 DisplayBothClocks();
12195 if (whiteFlag || blackFlag) {
12196 whiteFlag = blackFlag = 0;
12201 gameMode = EditGame;
12208 EditPositionEvent()
12210 if (gameMode == EditPosition) {
12216 if (gameMode != EditGame) return;
12218 gameMode = EditPosition;
12221 if (currentMove > 0)
12222 CopyBoard(boards[0], boards[currentMove]);
12224 blackPlaysFirst = !WhiteOnMove(currentMove);
12226 currentMove = forwardMostMove = backwardMostMove = 0;
12227 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12234 /* [DM] icsEngineAnalyze - possible call from other functions */
12235 if (appData.icsEngineAnalyze) {
12236 appData.icsEngineAnalyze = FALSE;
12238 DisplayMessage("",_("Close ICS engine analyze..."));
12240 if (first.analysisSupport && first.analyzing) {
12241 SendToProgram("exit\n", &first);
12242 first.analyzing = FALSE;
12244 thinkOutput[0] = NULLCHAR;
12248 EditPositionDone(Boolean fakeRights)
12250 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12252 startedFromSetupPosition = TRUE;
12253 InitChessProgram(&first, FALSE);
12254 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12255 boards[0][EP_STATUS] = EP_NONE;
12256 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12257 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12258 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12259 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12260 } else boards[0][CASTLING][2] = NoRights;
12261 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12262 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12263 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12264 } else boards[0][CASTLING][5] = NoRights;
12266 SendToProgram("force\n", &first);
12267 if (blackPlaysFirst) {
12268 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12269 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12270 currentMove = forwardMostMove = backwardMostMove = 1;
12271 CopyBoard(boards[1], boards[0]);
12273 currentMove = forwardMostMove = backwardMostMove = 0;
12275 SendBoard(&first, forwardMostMove);
12276 if (appData.debugMode) {
12277 fprintf(debugFP, "EditPosDone\n");
12280 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12281 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12282 gameMode = EditGame;
12284 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12285 ClearHighlights(); /* [AS] */
12288 /* Pause for `ms' milliseconds */
12289 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12299 } while (SubtractTimeMarks(&m2, &m1) < ms);
12302 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12304 SendMultiLineToICS(buf)
12307 char temp[MSG_SIZ+1], *p;
12314 strncpy(temp, buf, len);
12319 if (*p == '\n' || *p == '\r')
12324 strcat(temp, "\n");
12326 SendToPlayer(temp, strlen(temp));
12330 SetWhiteToPlayEvent()
12332 if (gameMode == EditPosition) {
12333 blackPlaysFirst = FALSE;
12334 DisplayBothClocks(); /* works because currentMove is 0 */
12335 } else if (gameMode == IcsExamining) {
12336 SendToICS(ics_prefix);
12337 SendToICS("tomove white\n");
12342 SetBlackToPlayEvent()
12344 if (gameMode == EditPosition) {
12345 blackPlaysFirst = TRUE;
12346 currentMove = 1; /* kludge */
12347 DisplayBothClocks();
12349 } else if (gameMode == IcsExamining) {
12350 SendToICS(ics_prefix);
12351 SendToICS("tomove black\n");
12356 EditPositionMenuEvent(selection, x, y)
12357 ChessSquare selection;
12361 ChessSquare piece = boards[0][y][x];
12363 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12365 switch (selection) {
12367 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12368 SendToICS(ics_prefix);
12369 SendToICS("bsetup clear\n");
12370 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12371 SendToICS(ics_prefix);
12372 SendToICS("clearboard\n");
12374 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12375 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12376 for (y = 0; y < BOARD_HEIGHT; y++) {
12377 if (gameMode == IcsExamining) {
12378 if (boards[currentMove][y][x] != EmptySquare) {
12379 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12384 boards[0][y][x] = p;
12389 if (gameMode == EditPosition) {
12390 DrawPosition(FALSE, boards[0]);
12395 SetWhiteToPlayEvent();
12399 SetBlackToPlayEvent();
12403 if (gameMode == IcsExamining) {
12404 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12405 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12408 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12409 if(x == BOARD_LEFT-2) {
12410 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12411 boards[0][y][1] = 0;
12413 if(x == BOARD_RGHT+1) {
12414 if(y >= gameInfo.holdingsSize) break;
12415 boards[0][y][BOARD_WIDTH-2] = 0;
12418 boards[0][y][x] = EmptySquare;
12419 DrawPosition(FALSE, boards[0]);
12424 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12425 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12426 selection = (ChessSquare) (PROMOTED piece);
12427 } else if(piece == EmptySquare) selection = WhiteSilver;
12428 else selection = (ChessSquare)((int)piece - 1);
12432 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12433 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12434 selection = (ChessSquare) (DEMOTED piece);
12435 } else if(piece == EmptySquare) selection = BlackSilver;
12436 else selection = (ChessSquare)((int)piece + 1);
12441 if(gameInfo.variant == VariantShatranj ||
12442 gameInfo.variant == VariantXiangqi ||
12443 gameInfo.variant == VariantCourier ||
12444 gameInfo.variant == VariantMakruk )
12445 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12450 if(gameInfo.variant == VariantXiangqi)
12451 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12452 if(gameInfo.variant == VariantKnightmate)
12453 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12456 if (gameMode == IcsExamining) {
12457 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12458 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12459 PieceToChar(selection), AAA + x, ONE + y);
12462 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12464 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12465 n = PieceToNumber(selection - BlackPawn);
12466 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12467 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12468 boards[0][BOARD_HEIGHT-1-n][1]++;
12470 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12471 n = PieceToNumber(selection);
12472 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12473 boards[0][n][BOARD_WIDTH-1] = selection;
12474 boards[0][n][BOARD_WIDTH-2]++;
12477 boards[0][y][x] = selection;
12478 DrawPosition(TRUE, boards[0]);
12486 DropMenuEvent(selection, x, y)
12487 ChessSquare selection;
12490 ChessMove moveType;
12492 switch (gameMode) {
12493 case IcsPlayingWhite:
12494 case MachinePlaysBlack:
12495 if (!WhiteOnMove(currentMove)) {
12496 DisplayMoveError(_("It is Black's turn"));
12499 moveType = WhiteDrop;
12501 case IcsPlayingBlack:
12502 case MachinePlaysWhite:
12503 if (WhiteOnMove(currentMove)) {
12504 DisplayMoveError(_("It is White's turn"));
12507 moveType = BlackDrop;
12510 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12516 if (moveType == BlackDrop && selection < BlackPawn) {
12517 selection = (ChessSquare) ((int) selection
12518 + (int) BlackPawn - (int) WhitePawn);
12520 if (boards[currentMove][y][x] != EmptySquare) {
12521 DisplayMoveError(_("That square is occupied"));
12525 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12531 /* Accept a pending offer of any kind from opponent */
12533 if (appData.icsActive) {
12534 SendToICS(ics_prefix);
12535 SendToICS("accept\n");
12536 } else if (cmailMsgLoaded) {
12537 if (currentMove == cmailOldMove &&
12538 commentList[cmailOldMove] != NULL &&
12539 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12540 "Black offers a draw" : "White offers a draw")) {
12542 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12543 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12545 DisplayError(_("There is no pending offer on this move"), 0);
12546 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12549 /* Not used for offers from chess program */
12556 /* Decline a pending offer of any kind from opponent */
12558 if (appData.icsActive) {
12559 SendToICS(ics_prefix);
12560 SendToICS("decline\n");
12561 } else if (cmailMsgLoaded) {
12562 if (currentMove == cmailOldMove &&
12563 commentList[cmailOldMove] != NULL &&
12564 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12565 "Black offers a draw" : "White offers a draw")) {
12567 AppendComment(cmailOldMove, "Draw declined", TRUE);
12568 DisplayComment(cmailOldMove - 1, "Draw declined");
12571 DisplayError(_("There is no pending offer on this move"), 0);
12574 /* Not used for offers from chess program */
12581 /* Issue ICS rematch command */
12582 if (appData.icsActive) {
12583 SendToICS(ics_prefix);
12584 SendToICS("rematch\n");
12591 /* Call your opponent's flag (claim a win on time) */
12592 if (appData.icsActive) {
12593 SendToICS(ics_prefix);
12594 SendToICS("flag\n");
12596 switch (gameMode) {
12599 case MachinePlaysWhite:
12602 GameEnds(GameIsDrawn, "Both players ran out of time",
12605 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12607 DisplayError(_("Your opponent is not out of time"), 0);
12610 case MachinePlaysBlack:
12613 GameEnds(GameIsDrawn, "Both players ran out of time",
12616 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12618 DisplayError(_("Your opponent is not out of time"), 0);
12628 /* Offer draw or accept pending draw offer from opponent */
12630 if (appData.icsActive) {
12631 /* Note: tournament rules require draw offers to be
12632 made after you make your move but before you punch
12633 your clock. Currently ICS doesn't let you do that;
12634 instead, you immediately punch your clock after making
12635 a move, but you can offer a draw at any time. */
12637 SendToICS(ics_prefix);
12638 SendToICS("draw\n");
12639 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12640 } else if (cmailMsgLoaded) {
12641 if (currentMove == cmailOldMove &&
12642 commentList[cmailOldMove] != NULL &&
12643 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12644 "Black offers a draw" : "White offers a draw")) {
12645 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12646 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12647 } else if (currentMove == cmailOldMove + 1) {
12648 char *offer = WhiteOnMove(cmailOldMove) ?
12649 "White offers a draw" : "Black offers a draw";
12650 AppendComment(currentMove, offer, TRUE);
12651 DisplayComment(currentMove - 1, offer);
12652 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12654 DisplayError(_("You must make your move before offering a draw"), 0);
12655 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12657 } else if (first.offeredDraw) {
12658 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12660 if (first.sendDrawOffers) {
12661 SendToProgram("draw\n", &first);
12662 userOfferedDraw = TRUE;
12670 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12672 if (appData.icsActive) {
12673 SendToICS(ics_prefix);
12674 SendToICS("adjourn\n");
12676 /* Currently GNU Chess doesn't offer or accept Adjourns */
12684 /* Offer Abort or accept pending Abort offer from opponent */
12686 if (appData.icsActive) {
12687 SendToICS(ics_prefix);
12688 SendToICS("abort\n");
12690 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12697 /* Resign. You can do this even if it's not your turn. */
12699 if (appData.icsActive) {
12700 SendToICS(ics_prefix);
12701 SendToICS("resign\n");
12703 switch (gameMode) {
12704 case MachinePlaysWhite:
12705 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12707 case MachinePlaysBlack:
12708 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12711 if (cmailMsgLoaded) {
12713 if (WhiteOnMove(cmailOldMove)) {
12714 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12716 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12718 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12729 StopObservingEvent()
12731 /* Stop observing current games */
12732 SendToICS(ics_prefix);
12733 SendToICS("unobserve\n");
12737 StopExaminingEvent()
12739 /* Stop observing current game */
12740 SendToICS(ics_prefix);
12741 SendToICS("unexamine\n");
12745 ForwardInner(target)
12750 if (appData.debugMode)
12751 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12752 target, currentMove, forwardMostMove);
12754 if (gameMode == EditPosition)
12757 if (gameMode == PlayFromGameFile && !pausing)
12760 if (gameMode == IcsExamining && pausing)
12761 limit = pauseExamForwardMostMove;
12763 limit = forwardMostMove;
12765 if (target > limit) target = limit;
12767 if (target > 0 && moveList[target - 1][0]) {
12768 int fromX, fromY, toX, toY;
12769 toX = moveList[target - 1][2] - AAA;
12770 toY = moveList[target - 1][3] - ONE;
12771 if (moveList[target - 1][1] == '@') {
12772 if (appData.highlightLastMove) {
12773 SetHighlights(-1, -1, toX, toY);
12776 fromX = moveList[target - 1][0] - AAA;
12777 fromY = moveList[target - 1][1] - ONE;
12778 if (target == currentMove + 1) {
12779 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12781 if (appData.highlightLastMove) {
12782 SetHighlights(fromX, fromY, toX, toY);
12786 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12787 gameMode == Training || gameMode == PlayFromGameFile ||
12788 gameMode == AnalyzeFile) {
12789 while (currentMove < target) {
12790 SendMoveToProgram(currentMove++, &first);
12793 currentMove = target;
12796 if (gameMode == EditGame || gameMode == EndOfGame) {
12797 whiteTimeRemaining = timeRemaining[0][currentMove];
12798 blackTimeRemaining = timeRemaining[1][currentMove];
12800 DisplayBothClocks();
12801 DisplayMove(currentMove - 1);
12802 DrawPosition(FALSE, boards[currentMove]);
12803 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12804 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12805 DisplayComment(currentMove - 1, commentList[currentMove]);
12813 if (gameMode == IcsExamining && !pausing) {
12814 SendToICS(ics_prefix);
12815 SendToICS("forward\n");
12817 ForwardInner(currentMove + 1);
12824 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12825 /* to optimze, we temporarily turn off analysis mode while we feed
12826 * the remaining moves to the engine. Otherwise we get analysis output
12829 if (first.analysisSupport) {
12830 SendToProgram("exit\nforce\n", &first);
12831 first.analyzing = FALSE;
12835 if (gameMode == IcsExamining && !pausing) {
12836 SendToICS(ics_prefix);
12837 SendToICS("forward 999999\n");
12839 ForwardInner(forwardMostMove);
12842 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12843 /* we have fed all the moves, so reactivate analysis mode */
12844 SendToProgram("analyze\n", &first);
12845 first.analyzing = TRUE;
12846 /*first.maybeThinking = TRUE;*/
12847 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12852 BackwardInner(target)
12855 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12857 if (appData.debugMode)
12858 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12859 target, currentMove, forwardMostMove);
12861 if (gameMode == EditPosition) return;
12862 if (currentMove <= backwardMostMove) {
12864 DrawPosition(full_redraw, boards[currentMove]);
12867 if (gameMode == PlayFromGameFile && !pausing)
12870 if (moveList[target][0]) {
12871 int fromX, fromY, toX, toY;
12872 toX = moveList[target][2] - AAA;
12873 toY = moveList[target][3] - ONE;
12874 if (moveList[target][1] == '@') {
12875 if (appData.highlightLastMove) {
12876 SetHighlights(-1, -1, toX, toY);
12879 fromX = moveList[target][0] - AAA;
12880 fromY = moveList[target][1] - ONE;
12881 if (target == currentMove - 1) {
12882 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12884 if (appData.highlightLastMove) {
12885 SetHighlights(fromX, fromY, toX, toY);
12889 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12890 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12891 while (currentMove > target) {
12892 SendToProgram("undo\n", &first);
12896 currentMove = target;
12899 if (gameMode == EditGame || gameMode == EndOfGame) {
12900 whiteTimeRemaining = timeRemaining[0][currentMove];
12901 blackTimeRemaining = timeRemaining[1][currentMove];
12903 DisplayBothClocks();
12904 DisplayMove(currentMove - 1);
12905 DrawPosition(full_redraw, boards[currentMove]);
12906 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12907 // [HGM] PV info: routine tests if comment empty
12908 DisplayComment(currentMove - 1, commentList[currentMove]);
12914 if (gameMode == IcsExamining && !pausing) {
12915 SendToICS(ics_prefix);
12916 SendToICS("backward\n");
12918 BackwardInner(currentMove - 1);
12925 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12926 /* to optimize, we temporarily turn off analysis mode while we undo
12927 * all the moves. Otherwise we get analysis output after each undo.
12929 if (first.analysisSupport) {
12930 SendToProgram("exit\nforce\n", &first);
12931 first.analyzing = FALSE;
12935 if (gameMode == IcsExamining && !pausing) {
12936 SendToICS(ics_prefix);
12937 SendToICS("backward 999999\n");
12939 BackwardInner(backwardMostMove);
12942 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12943 /* we have fed all the moves, so reactivate analysis mode */
12944 SendToProgram("analyze\n", &first);
12945 first.analyzing = TRUE;
12946 /*first.maybeThinking = TRUE;*/
12947 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12954 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12955 if (to >= forwardMostMove) to = forwardMostMove;
12956 if (to <= backwardMostMove) to = backwardMostMove;
12957 if (to < currentMove) {
12965 RevertEvent(Boolean annotate)
12967 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12970 if (gameMode != IcsExamining) {
12971 DisplayError(_("You are not examining a game"), 0);
12975 DisplayError(_("You can't revert while pausing"), 0);
12978 SendToICS(ics_prefix);
12979 SendToICS("revert\n");
12985 switch (gameMode) {
12986 case MachinePlaysWhite:
12987 case MachinePlaysBlack:
12988 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12989 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12992 if (forwardMostMove < 2) return;
12993 currentMove = forwardMostMove = forwardMostMove - 2;
12994 whiteTimeRemaining = timeRemaining[0][currentMove];
12995 blackTimeRemaining = timeRemaining[1][currentMove];
12996 DisplayBothClocks();
12997 DisplayMove(currentMove - 1);
12998 ClearHighlights();/*!! could figure this out*/
12999 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
13000 SendToProgram("remove\n", &first);
13001 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
13004 case BeginningOfGame:
13008 case IcsPlayingWhite:
13009 case IcsPlayingBlack:
13010 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
13011 SendToICS(ics_prefix);
13012 SendToICS("takeback 2\n");
13014 SendToICS(ics_prefix);
13015 SendToICS("takeback 1\n");
13024 ChessProgramState *cps;
13026 switch (gameMode) {
13027 case MachinePlaysWhite:
13028 if (!WhiteOnMove(forwardMostMove)) {
13029 DisplayError(_("It is your turn"), 0);
13034 case MachinePlaysBlack:
13035 if (WhiteOnMove(forwardMostMove)) {
13036 DisplayError(_("It is your turn"), 0);
13041 case TwoMachinesPlay:
13042 if (WhiteOnMove(forwardMostMove) ==
13043 (first.twoMachinesColor[0] == 'w')) {
13049 case BeginningOfGame:
13053 SendToProgram("?\n", cps);
13057 TruncateGameEvent()
13060 if (gameMode != EditGame) return;
13067 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
13068 if (forwardMostMove > currentMove) {
13069 if (gameInfo.resultDetails != NULL) {
13070 free(gameInfo.resultDetails);
13071 gameInfo.resultDetails = NULL;
13072 gameInfo.result = GameUnfinished;
13074 forwardMostMove = currentMove;
13075 HistorySet(parseList, backwardMostMove, forwardMostMove,
13083 if (appData.noChessProgram) return;
13084 switch (gameMode) {
13085 case MachinePlaysWhite:
13086 if (WhiteOnMove(forwardMostMove)) {
13087 DisplayError(_("Wait until your turn"), 0);
13091 case BeginningOfGame:
13092 case MachinePlaysBlack:
13093 if (!WhiteOnMove(forwardMostMove)) {
13094 DisplayError(_("Wait until your turn"), 0);
13099 DisplayError(_("No hint available"), 0);
13102 SendToProgram("hint\n", &first);
13103 hintRequested = TRUE;
13109 if (appData.noChessProgram) return;
13110 switch (gameMode) {
13111 case MachinePlaysWhite:
13112 if (WhiteOnMove(forwardMostMove)) {
13113 DisplayError(_("Wait until your turn"), 0);
13117 case BeginningOfGame:
13118 case MachinePlaysBlack:
13119 if (!WhiteOnMove(forwardMostMove)) {
13120 DisplayError(_("Wait until your turn"), 0);
13125 EditPositionDone(TRUE);
13127 case TwoMachinesPlay:
13132 SendToProgram("bk\n", &first);
13133 bookOutput[0] = NULLCHAR;
13134 bookRequested = TRUE;
13140 char *tags = PGNTags(&gameInfo);
13141 TagsPopUp(tags, CmailMsg());
13145 /* end button procedures */
13148 PrintPosition(fp, move)
13154 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13155 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13156 char c = PieceToChar(boards[move][i][j]);
13157 fputc(c == 'x' ? '.' : c, fp);
13158 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13161 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13162 fprintf(fp, "white to play\n");
13164 fprintf(fp, "black to play\n");
13171 if (gameInfo.white != NULL) {
13172 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13178 /* Find last component of program's own name, using some heuristics */
13180 TidyProgramName(prog, host, buf)
13181 char *prog, *host, buf[MSG_SIZ];
13184 int local = (strcmp(host, "localhost") == 0);
13185 while (!local && (p = strchr(prog, ';')) != NULL) {
13187 while (*p == ' ') p++;
13190 if (*prog == '"' || *prog == '\'') {
13191 q = strchr(prog + 1, *prog);
13193 q = strchr(prog, ' ');
13195 if (q == NULL) q = prog + strlen(prog);
13197 while (p >= prog && *p != '/' && *p != '\\') p--;
13199 if(p == prog && *p == '"') p++;
13200 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13201 memcpy(buf, p, q - p);
13202 buf[q - p] = NULLCHAR;
13210 TimeControlTagValue()
13213 if (!appData.clockMode) {
13214 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13215 } else if (movesPerSession > 0) {
13216 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13217 } else if (timeIncrement == 0) {
13218 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13220 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13222 return StrSave(buf);
13228 /* This routine is used only for certain modes */
13229 VariantClass v = gameInfo.variant;
13230 ChessMove r = GameUnfinished;
13233 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13234 r = gameInfo.result;
13235 p = gameInfo.resultDetails;
13236 gameInfo.resultDetails = NULL;
13238 ClearGameInfo(&gameInfo);
13239 gameInfo.variant = v;
13241 switch (gameMode) {
13242 case MachinePlaysWhite:
13243 gameInfo.event = StrSave( appData.pgnEventHeader );
13244 gameInfo.site = StrSave(HostName());
13245 gameInfo.date = PGNDate();
13246 gameInfo.round = StrSave("-");
13247 gameInfo.white = StrSave(first.tidy);
13248 gameInfo.black = StrSave(UserName());
13249 gameInfo.timeControl = TimeControlTagValue();
13252 case MachinePlaysBlack:
13253 gameInfo.event = StrSave( appData.pgnEventHeader );
13254 gameInfo.site = StrSave(HostName());
13255 gameInfo.date = PGNDate();
13256 gameInfo.round = StrSave("-");
13257 gameInfo.white = StrSave(UserName());
13258 gameInfo.black = StrSave(first.tidy);
13259 gameInfo.timeControl = TimeControlTagValue();
13262 case TwoMachinesPlay:
13263 gameInfo.event = StrSave( appData.pgnEventHeader );
13264 gameInfo.site = StrSave(HostName());
13265 gameInfo.date = PGNDate();
13266 if (matchGame > 0) {
13268 snprintf(buf, MSG_SIZ, "%d", matchGame);
13269 gameInfo.round = StrSave(buf);
13271 gameInfo.round = StrSave("-");
13273 if (first.twoMachinesColor[0] == 'w') {
13274 gameInfo.white = StrSave(first.tidy);
13275 gameInfo.black = StrSave(second.tidy);
13277 gameInfo.white = StrSave(second.tidy);
13278 gameInfo.black = StrSave(first.tidy);
13280 gameInfo.timeControl = TimeControlTagValue();
13284 gameInfo.event = StrSave("Edited game");
13285 gameInfo.site = StrSave(HostName());
13286 gameInfo.date = PGNDate();
13287 gameInfo.round = StrSave("-");
13288 gameInfo.white = StrSave("-");
13289 gameInfo.black = StrSave("-");
13290 gameInfo.result = r;
13291 gameInfo.resultDetails = p;
13295 gameInfo.event = StrSave("Edited position");
13296 gameInfo.site = StrSave(HostName());
13297 gameInfo.date = PGNDate();
13298 gameInfo.round = StrSave("-");
13299 gameInfo.white = StrSave("-");
13300 gameInfo.black = StrSave("-");
13303 case IcsPlayingWhite:
13304 case IcsPlayingBlack:
13309 case PlayFromGameFile:
13310 gameInfo.event = StrSave("Game from non-PGN file");
13311 gameInfo.site = StrSave(HostName());
13312 gameInfo.date = PGNDate();
13313 gameInfo.round = StrSave("-");
13314 gameInfo.white = StrSave("?");
13315 gameInfo.black = StrSave("?");
13324 ReplaceComment(index, text)
13332 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
13333 pvInfoList[index-1].depth == len &&
13334 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
13335 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
13336 while (*text == '\n') text++;
13337 len = strlen(text);
13338 while (len > 0 && text[len - 1] == '\n') len--;
13340 if (commentList[index] != NULL)
13341 free(commentList[index]);
13344 commentList[index] = NULL;
13347 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13348 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13349 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13350 commentList[index] = (char *) malloc(len + 2);
13351 strncpy(commentList[index], text, len);
13352 commentList[index][len] = '\n';
13353 commentList[index][len + 1] = NULLCHAR;
13355 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13357 commentList[index] = (char *) malloc(len + 7);
13358 safeStrCpy(commentList[index], "{\n", 3);
13359 safeStrCpy(commentList[index]+2, text, len+1);
13360 commentList[index][len+2] = NULLCHAR;
13361 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13362 strcat(commentList[index], "\n}\n");
13376 if (ch == '\r') continue;
13378 } while (ch != '\0');
13382 AppendComment(index, text, addBraces)
13385 Boolean addBraces; // [HGM] braces: tells if we should add {}
13390 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13391 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13394 while (*text == '\n') text++;
13395 len = strlen(text);
13396 while (len > 0 && text[len - 1] == '\n') len--;
13398 if (len == 0) return;
13400 if (commentList[index] != NULL) {
13401 old = commentList[index];
13402 oldlen = strlen(old);
13403 while(commentList[index][oldlen-1] == '\n')
13404 commentList[index][--oldlen] = NULLCHAR;
13405 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13406 safeStrCpy(commentList[index], old, oldlen + len + 6);
13408 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13409 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
13410 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
13411 while (*text == '\n') { text++; len--; }
13412 commentList[index][--oldlen] = NULLCHAR;
13414 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
13415 else strcat(commentList[index], "\n");
13416 strcat(commentList[index], text);
13417 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
13418 else strcat(commentList[index], "\n");
13420 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13422 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
13423 else commentList[index][0] = NULLCHAR;
13424 strcat(commentList[index], text);
13425 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
13426 if(addBraces == TRUE) strcat(commentList[index], "}\n");
13430 static char * FindStr( char * text, char * sub_text )
13432 char * result = strstr( text, sub_text );
13434 if( result != NULL ) {
13435 result += strlen( sub_text );
13441 /* [AS] Try to extract PV info from PGN comment */
13442 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13443 char *GetInfoFromComment( int index, char * text )
13445 char * sep = text, *p;
13447 if( text != NULL && index > 0 ) {
13450 int time = -1, sec = 0, deci;
13451 char * s_eval = FindStr( text, "[%eval " );
13452 char * s_emt = FindStr( text, "[%emt " );
13454 if( s_eval != NULL || s_emt != NULL ) {
13458 if( s_eval != NULL ) {
13459 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13463 if( delim != ']' ) {
13468 if( s_emt != NULL ) {
13473 /* We expect something like: [+|-]nnn.nn/dd */
13476 if(*text != '{') return text; // [HGM] braces: must be normal comment
13478 sep = strchr( text, '/' );
13479 if( sep == NULL || sep < (text+4) ) {
13484 if(p[1] == '(') { // comment starts with PV
13485 p = strchr(p, ')'); // locate end of PV
13486 if(p == NULL || sep < p+5) return text;
13487 // at this point we have something like "{(.*) +0.23/6 ..."
13488 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
13489 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
13490 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
13492 time = -1; sec = -1; deci = -1;
13493 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13494 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13495 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13496 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13500 if( score_lo < 0 || score_lo >= 100 ) {
13504 if(sec >= 0) time = 600*time + 10*sec; else
13505 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13507 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13509 /* [HGM] PV time: now locate end of PV info */
13510 while( *++sep >= '0' && *sep <= '9'); // strip depth
13512 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
13514 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13516 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13517 while(*sep == ' ') sep++;
13528 pvInfoList[index-1].depth = depth;
13529 pvInfoList[index-1].score = score;
13530 pvInfoList[index-1].time = 10*time; // centi-sec
13531 if(*sep == '}') *sep = 0; else *--sep = '{';
13532 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
13538 SendToProgram(message, cps)
13540 ChessProgramState *cps;
13542 int count, outCount, error;
13545 if (cps->pr == NULL) return;
13548 if (appData.debugMode) {
13551 fprintf(debugFP, "%ld >%-6s: %s",
13552 SubtractTimeMarks(&now, &programStartTime),
13553 cps->which, message);
13556 count = strlen(message);
13557 outCount = OutputToProcess(cps->pr, message, count, &error);
13558 if (outCount < count && !exiting
13559 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13560 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), cps->which);
13561 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13562 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13563 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13564 snprintf(buf, MSG_SIZ, "%s program exits in draw position (%s)", cps->which, cps->program);
13566 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13568 gameInfo.resultDetails = StrSave(buf);
13570 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13575 ReceiveFromProgram(isr, closure, message, count, error)
13576 InputSourceRef isr;
13584 ChessProgramState *cps = (ChessProgramState *)closure;
13586 if (isr != cps->isr) return; /* Killed intentionally */
13589 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13590 cps->which, cps->program);
13591 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13592 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13593 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13594 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13596 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13598 gameInfo.resultDetails = StrSave(buf);
13600 RemoveInputSource(cps->isr);
13601 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13603 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13604 cps->which, cps->program);
13605 RemoveInputSource(cps->isr);
13607 /* [AS] Program is misbehaving badly... kill it */
13608 if( count == -2 ) {
13609 DestroyChildProcess( cps->pr, 9 );
13613 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13618 if ((end_str = strchr(message, '\r')) != NULL)
13619 *end_str = NULLCHAR;
13620 if ((end_str = strchr(message, '\n')) != NULL)
13621 *end_str = NULLCHAR;
13623 if (appData.debugMode) {
13624 TimeMark now; int print = 1;
13625 char *quote = ""; char c; int i;
13627 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13628 char start = message[0];
13629 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13630 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13631 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13632 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13633 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13634 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13635 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13636 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
13637 sscanf(message, "hint: %c", &c)!=1 &&
13638 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13639 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13640 print = (appData.engineComments >= 2);
13642 message[0] = start; // restore original message
13646 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13647 SubtractTimeMarks(&now, &programStartTime), cps->which,
13653 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13654 if (appData.icsEngineAnalyze) {
13655 if (strstr(message, "whisper") != NULL ||
13656 strstr(message, "kibitz") != NULL ||
13657 strstr(message, "tellics") != NULL) return;
13660 HandleMachineMove(message, cps);
13665 SendTimeControl(cps, mps, tc, inc, sd, st)
13666 ChessProgramState *cps;
13667 int mps, inc, sd, st;
13673 if( timeControl_2 > 0 ) {
13674 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13675 tc = timeControl_2;
13678 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13679 inc /= cps->timeOdds;
13680 st /= cps->timeOdds;
13682 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13685 /* Set exact time per move, normally using st command */
13686 if (cps->stKludge) {
13687 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13689 if (seconds == 0) {
13690 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13692 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13695 snprintf(buf, MSG_SIZ, "st %d\n", st);
13698 /* Set conventional or incremental time control, using level command */
13699 if (seconds == 0) {
13700 /* Note old gnuchess bug -- minutes:seconds used to not work.
13701 Fixed in later versions, but still avoid :seconds
13702 when seconds is 0. */
13703 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
13705 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13706 seconds, inc/1000.);
13709 SendToProgram(buf, cps);
13711 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13712 /* Orthogonally, limit search to given depth */
13714 if (cps->sdKludge) {
13715 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13717 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13719 SendToProgram(buf, cps);
13722 if(cps->nps > 0) { /* [HGM] nps */
13723 if(cps->supportsNPS == FALSE)
13724 cps->nps = -1; // don't use if engine explicitly says not supported!
13726 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13727 SendToProgram(buf, cps);
13732 ChessProgramState *WhitePlayer()
13733 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13735 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13736 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13742 SendTimeRemaining(cps, machineWhite)
13743 ChessProgramState *cps;
13744 int /*boolean*/ machineWhite;
13746 char message[MSG_SIZ];
13749 /* Note: this routine must be called when the clocks are stopped
13750 or when they have *just* been set or switched; otherwise
13751 it will be off by the time since the current tick started.
13753 if (machineWhite) {
13754 time = whiteTimeRemaining / 10;
13755 otime = blackTimeRemaining / 10;
13757 time = blackTimeRemaining / 10;
13758 otime = whiteTimeRemaining / 10;
13760 /* [HGM] translate opponent's time by time-odds factor */
13761 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13762 if (appData.debugMode) {
13763 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13766 if (time <= 0) time = 1;
13767 if (otime <= 0) otime = 1;
13769 snprintf(message, MSG_SIZ, "time %ld\n", time);
13770 SendToProgram(message, cps);
13772 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13773 SendToProgram(message, cps);
13777 BoolFeature(p, name, loc, cps)
13781 ChessProgramState *cps;
13784 int len = strlen(name);
13787 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13789 sscanf(*p, "%d", &val);
13791 while (**p && **p != ' ')
13793 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13794 SendToProgram(buf, cps);
13801 IntFeature(p, name, loc, cps)
13805 ChessProgramState *cps;
13808 int len = strlen(name);
13809 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13811 sscanf(*p, "%d", loc);
13812 while (**p && **p != ' ') (*p)++;
13813 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13814 SendToProgram(buf, cps);
13821 StringFeature(p, name, loc, cps)
13825 ChessProgramState *cps;
13828 int len = strlen(name);
13829 if (strncmp((*p), name, len) == 0
13830 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13832 sscanf(*p, "%[^\"]", loc);
13833 while (**p && **p != '\"') (*p)++;
13834 if (**p == '\"') (*p)++;
13835 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13836 SendToProgram(buf, cps);
13843 ParseOption(Option *opt, ChessProgramState *cps)
13844 // [HGM] options: process the string that defines an engine option, and determine
13845 // name, type, default value, and allowed value range
13847 char *p, *q, buf[MSG_SIZ];
13848 int n, min = (-1)<<31, max = 1<<31, def;
13850 if(p = strstr(opt->name, " -spin ")) {
13851 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13852 if(max < min) max = min; // enforce consistency
13853 if(def < min) def = min;
13854 if(def > max) def = max;
13859 } else if((p = strstr(opt->name, " -slider "))) {
13860 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13861 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13862 if(max < min) max = min; // enforce consistency
13863 if(def < min) def = min;
13864 if(def > max) def = max;
13868 opt->type = Spin; // Slider;
13869 } else if((p = strstr(opt->name, " -string "))) {
13870 opt->textValue = p+9;
13871 opt->type = TextBox;
13872 } else if((p = strstr(opt->name, " -file "))) {
13873 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13874 opt->textValue = p+7;
13875 opt->type = TextBox; // FileName;
13876 } else if((p = strstr(opt->name, " -path "))) {
13877 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13878 opt->textValue = p+7;
13879 opt->type = TextBox; // PathName;
13880 } else if(p = strstr(opt->name, " -check ")) {
13881 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13882 opt->value = (def != 0);
13883 opt->type = CheckBox;
13884 } else if(p = strstr(opt->name, " -combo ")) {
13885 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13886 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13887 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13888 opt->value = n = 0;
13889 while(q = StrStr(q, " /// ")) {
13890 n++; *q = 0; // count choices, and null-terminate each of them
13892 if(*q == '*') { // remember default, which is marked with * prefix
13896 cps->comboList[cps->comboCnt++] = q;
13898 cps->comboList[cps->comboCnt++] = NULL;
13900 opt->type = ComboBox;
13901 } else if(p = strstr(opt->name, " -button")) {
13902 opt->type = Button;
13903 } else if(p = strstr(opt->name, " -save")) {
13904 opt->type = SaveButton;
13905 } else return FALSE;
13906 *p = 0; // terminate option name
13907 // now look if the command-line options define a setting for this engine option.
13908 if(cps->optionSettings && cps->optionSettings[0])
13909 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13910 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13911 snprintf(buf, MSG_SIZ, "option %s", p);
13912 if(p = strstr(buf, ",")) *p = 0;
13913 if(q = strchr(buf, '=')) switch(opt->type) {
13915 for(n=0; n<opt->max; n++)
13916 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
13919 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
13923 opt->value = atoi(q+1);
13928 SendToProgram(buf, cps);
13934 FeatureDone(cps, val)
13935 ChessProgramState* cps;
13938 DelayedEventCallback cb = GetDelayedEvent();
13939 if ((cb == InitBackEnd3 && cps == &first) ||
13940 (cb == SettingsMenuIfReady && cps == &second) ||
13941 (cb == TwoMachinesEventIfReady && cps == &second)) {
13942 CancelDelayedEvent();
13943 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13945 cps->initDone = val;
13948 /* Parse feature command from engine */
13950 ParseFeatures(args, cps)
13952 ChessProgramState *cps;
13960 while (*p == ' ') p++;
13961 if (*p == NULLCHAR) return;
13963 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13964 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13965 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13966 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13967 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13968 if (BoolFeature(&p, "reuse", &val, cps)) {
13969 /* Engine can disable reuse, but can't enable it if user said no */
13970 if (!val) cps->reuse = FALSE;
13973 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13974 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13975 if (gameMode == TwoMachinesPlay) {
13976 DisplayTwoMachinesTitle();
13982 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13983 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13984 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13985 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13986 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13987 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13988 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13989 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13990 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13991 if (IntFeature(&p, "done", &val, cps)) {
13992 FeatureDone(cps, val);
13995 /* Added by Tord: */
13996 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13997 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13998 /* End of additions by Tord */
14000 /* [HGM] added features: */
14001 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
14002 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
14003 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
14004 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
14005 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
14006 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
14007 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
14008 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
14009 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
14010 SendToProgram(buf, cps);
14013 if(cps->nrOptions >= MAX_OPTIONS) {
14015 snprintf(buf, MSG_SIZ, "%s engine has too many options\n", cps->which);
14016 DisplayError(buf, 0);
14020 /* End of additions by HGM */
14022 /* unknown feature: complain and skip */
14024 while (*q && *q != '=') q++;
14025 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
14026 SendToProgram(buf, cps);
14032 while (*p && *p != '\"') p++;
14033 if (*p == '\"') p++;
14035 while (*p && *p != ' ') p++;
14043 PeriodicUpdatesEvent(newState)
14046 if (newState == appData.periodicUpdates)
14049 appData.periodicUpdates=newState;
14051 /* Display type changes, so update it now */
14052 // DisplayAnalysis();
14054 /* Get the ball rolling again... */
14056 AnalysisPeriodicEvent(1);
14057 StartAnalysisClock();
14062 PonderNextMoveEvent(newState)
14065 if (newState == appData.ponderNextMove) return;
14066 if (gameMode == EditPosition) EditPositionDone(TRUE);
14068 SendToProgram("hard\n", &first);
14069 if (gameMode == TwoMachinesPlay) {
14070 SendToProgram("hard\n", &second);
14073 SendToProgram("easy\n", &first);
14074 thinkOutput[0] = NULLCHAR;
14075 if (gameMode == TwoMachinesPlay) {
14076 SendToProgram("easy\n", &second);
14079 appData.ponderNextMove = newState;
14083 NewSettingEvent(option, feature, command, value)
14085 int option, value, *feature;
14089 if (gameMode == EditPosition) EditPositionDone(TRUE);
14090 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
14091 if(feature == NULL || *feature) SendToProgram(buf, &first);
14092 if (gameMode == TwoMachinesPlay) {
14093 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
14098 ShowThinkingEvent()
14099 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
14101 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
14102 int newState = appData.showThinking
14103 // [HGM] thinking: other features now need thinking output as well
14104 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
14106 if (oldState == newState) return;
14107 oldState = newState;
14108 if (gameMode == EditPosition) EditPositionDone(TRUE);
14110 SendToProgram("post\n", &first);
14111 if (gameMode == TwoMachinesPlay) {
14112 SendToProgram("post\n", &second);
14115 SendToProgram("nopost\n", &first);
14116 thinkOutput[0] = NULLCHAR;
14117 if (gameMode == TwoMachinesPlay) {
14118 SendToProgram("nopost\n", &second);
14121 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
14125 AskQuestionEvent(title, question, replyPrefix, which)
14126 char *title; char *question; char *replyPrefix; char *which;
14128 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
14129 if (pr == NoProc) return;
14130 AskQuestion(title, question, replyPrefix, pr);
14134 DisplayMove(moveNumber)
14137 char message[MSG_SIZ];
14139 char cpThinkOutput[MSG_SIZ];
14141 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14143 if (moveNumber == forwardMostMove - 1 ||
14144 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14146 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14148 if (strchr(cpThinkOutput, '\n')) {
14149 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14152 *cpThinkOutput = NULLCHAR;
14155 /* [AS] Hide thinking from human user */
14156 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14157 *cpThinkOutput = NULLCHAR;
14158 if( thinkOutput[0] != NULLCHAR ) {
14161 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14162 cpThinkOutput[i] = '.';
14164 cpThinkOutput[i] = NULLCHAR;
14165 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14169 if (moveNumber == forwardMostMove - 1 &&
14170 gameInfo.resultDetails != NULL) {
14171 if (gameInfo.resultDetails[0] == NULLCHAR) {
14172 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14174 snprintf(res, MSG_SIZ, " {%s} %s",
14175 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14181 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14182 DisplayMessage(res, cpThinkOutput);
14184 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14185 WhiteOnMove(moveNumber) ? " " : ".. ",
14186 parseList[moveNumber], res);
14187 DisplayMessage(message, cpThinkOutput);
14192 DisplayComment(moveNumber, text)
14196 char title[MSG_SIZ];
14197 char buf[8000]; // comment can be long!
14200 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14201 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14203 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14204 WhiteOnMove(moveNumber) ? " " : ".. ",
14205 parseList[moveNumber]);
14207 // [HGM] PV info: display PV info together with (or as) comment
14208 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14209 if(text == NULL) text = "";
14210 score = pvInfoList[moveNumber].score;
14211 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14212 depth, (pvInfoList[moveNumber].time+50)/100, text);
14215 if (text != NULL && (appData.autoDisplayComment || commentUp))
14216 CommentPopUp(title, text);
14219 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14220 * might be busy thinking or pondering. It can be omitted if your
14221 * gnuchess is configured to stop thinking immediately on any user
14222 * input. However, that gnuchess feature depends on the FIONREAD
14223 * ioctl, which does not work properly on some flavors of Unix.
14227 ChessProgramState *cps;
14230 if (!cps->useSigint) return;
14231 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14232 switch (gameMode) {
14233 case MachinePlaysWhite:
14234 case MachinePlaysBlack:
14235 case TwoMachinesPlay:
14236 case IcsPlayingWhite:
14237 case IcsPlayingBlack:
14240 /* Skip if we know it isn't thinking */
14241 if (!cps->maybeThinking) return;
14242 if (appData.debugMode)
14243 fprintf(debugFP, "Interrupting %s\n", cps->which);
14244 InterruptChildProcess(cps->pr);
14245 cps->maybeThinking = FALSE;
14250 #endif /*ATTENTION*/
14256 if (whiteTimeRemaining <= 0) {
14259 if (appData.icsActive) {
14260 if (appData.autoCallFlag &&
14261 gameMode == IcsPlayingBlack && !blackFlag) {
14262 SendToICS(ics_prefix);
14263 SendToICS("flag\n");
14267 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14269 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14270 if (appData.autoCallFlag) {
14271 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14278 if (blackTimeRemaining <= 0) {
14281 if (appData.icsActive) {
14282 if (appData.autoCallFlag &&
14283 gameMode == IcsPlayingWhite && !whiteFlag) {
14284 SendToICS(ics_prefix);
14285 SendToICS("flag\n");
14289 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14291 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14292 if (appData.autoCallFlag) {
14293 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14306 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14307 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14310 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14312 if ( !WhiteOnMove(forwardMostMove) ) {
14313 /* White made time control */
14314 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14315 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14316 /* [HGM] time odds: correct new time quota for time odds! */
14317 / WhitePlayer()->timeOdds;
14318 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14320 lastBlack -= blackTimeRemaining;
14321 /* Black made time control */
14322 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14323 / WhitePlayer()->other->timeOdds;
14324 lastWhite = whiteTimeRemaining;
14329 DisplayBothClocks()
14331 int wom = gameMode == EditPosition ?
14332 !blackPlaysFirst : WhiteOnMove(currentMove);
14333 DisplayWhiteClock(whiteTimeRemaining, wom);
14334 DisplayBlackClock(blackTimeRemaining, !wom);
14338 /* Timekeeping seems to be a portability nightmare. I think everyone
14339 has ftime(), but I'm really not sure, so I'm including some ifdefs
14340 to use other calls if you don't. Clocks will be less accurate if
14341 you have neither ftime nor gettimeofday.
14344 /* VS 2008 requires the #include outside of the function */
14345 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14346 #include <sys/timeb.h>
14349 /* Get the current time as a TimeMark */
14354 #if HAVE_GETTIMEOFDAY
14356 struct timeval timeVal;
14357 struct timezone timeZone;
14359 gettimeofday(&timeVal, &timeZone);
14360 tm->sec = (long) timeVal.tv_sec;
14361 tm->ms = (int) (timeVal.tv_usec / 1000L);
14363 #else /*!HAVE_GETTIMEOFDAY*/
14366 // include <sys/timeb.h> / moved to just above start of function
14367 struct timeb timeB;
14370 tm->sec = (long) timeB.time;
14371 tm->ms = (int) timeB.millitm;
14373 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14374 tm->sec = (long) time(NULL);
14380 /* Return the difference in milliseconds between two
14381 time marks. We assume the difference will fit in a long!
14384 SubtractTimeMarks(tm2, tm1)
14385 TimeMark *tm2, *tm1;
14387 return 1000L*(tm2->sec - tm1->sec) +
14388 (long) (tm2->ms - tm1->ms);
14393 * Code to manage the game clocks.
14395 * In tournament play, black starts the clock and then white makes a move.
14396 * We give the human user a slight advantage if he is playing white---the
14397 * clocks don't run until he makes his first move, so it takes zero time.
14398 * Also, we don't account for network lag, so we could get out of sync
14399 * with GNU Chess's clock -- but then, referees are always right.
14402 static TimeMark tickStartTM;
14403 static long intendedTickLength;
14406 NextTickLength(timeRemaining)
14407 long timeRemaining;
14409 long nominalTickLength, nextTickLength;
14411 if (timeRemaining > 0L && timeRemaining <= 10000L)
14412 nominalTickLength = 100L;
14414 nominalTickLength = 1000L;
14415 nextTickLength = timeRemaining % nominalTickLength;
14416 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14418 return nextTickLength;
14421 /* Adjust clock one minute up or down */
14423 AdjustClock(Boolean which, int dir)
14425 if(which) blackTimeRemaining += 60000*dir;
14426 else whiteTimeRemaining += 60000*dir;
14427 DisplayBothClocks();
14430 /* Stop clocks and reset to a fresh time control */
14434 (void) StopClockTimer();
14435 if (appData.icsActive) {
14436 whiteTimeRemaining = blackTimeRemaining = 0;
14437 } else if (searchTime) {
14438 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14439 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14440 } else { /* [HGM] correct new time quote for time odds */
14441 whiteTC = blackTC = fullTimeControlString;
14442 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14443 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14445 if (whiteFlag || blackFlag) {
14447 whiteFlag = blackFlag = FALSE;
14449 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14450 DisplayBothClocks();
14453 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14455 /* Decrement running clock by amount of time that has passed */
14459 long timeRemaining;
14460 long lastTickLength, fudge;
14463 if (!appData.clockMode) return;
14464 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14468 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14470 /* Fudge if we woke up a little too soon */
14471 fudge = intendedTickLength - lastTickLength;
14472 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14474 if (WhiteOnMove(forwardMostMove)) {
14475 if(whiteNPS >= 0) lastTickLength = 0;
14476 timeRemaining = whiteTimeRemaining -= lastTickLength;
14477 if(timeRemaining < 0 && !appData.icsActive) {
14478 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14479 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14480 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14481 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14484 DisplayWhiteClock(whiteTimeRemaining - fudge,
14485 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14487 if(blackNPS >= 0) lastTickLength = 0;
14488 timeRemaining = blackTimeRemaining -= lastTickLength;
14489 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
14490 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14492 blackStartMove = forwardMostMove;
14493 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14496 DisplayBlackClock(blackTimeRemaining - fudge,
14497 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14499 if (CheckFlags()) return;
14502 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14503 StartClockTimer(intendedTickLength);
14505 /* if the time remaining has fallen below the alarm threshold, sound the
14506 * alarm. if the alarm has sounded and (due to a takeback or time control
14507 * with increment) the time remaining has increased to a level above the
14508 * threshold, reset the alarm so it can sound again.
14511 if (appData.icsActive && appData.icsAlarm) {
14513 /* make sure we are dealing with the user's clock */
14514 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14515 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14518 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14519 alarmSounded = FALSE;
14520 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14522 alarmSounded = TRUE;
14528 /* A player has just moved, so stop the previously running
14529 clock and (if in clock mode) start the other one.
14530 We redisplay both clocks in case we're in ICS mode, because
14531 ICS gives us an update to both clocks after every move.
14532 Note that this routine is called *after* forwardMostMove
14533 is updated, so the last fractional tick must be subtracted
14534 from the color that is *not* on move now.
14537 SwitchClocks(int newMoveNr)
14539 long lastTickLength;
14541 int flagged = FALSE;
14545 if (StopClockTimer() && appData.clockMode) {
14546 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14547 if (!WhiteOnMove(forwardMostMove)) {
14548 if(blackNPS >= 0) lastTickLength = 0;
14549 blackTimeRemaining -= lastTickLength;
14550 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14551 // if(pvInfoList[forwardMostMove].time == -1)
14552 pvInfoList[forwardMostMove].time = // use GUI time
14553 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14555 if(whiteNPS >= 0) lastTickLength = 0;
14556 whiteTimeRemaining -= lastTickLength;
14557 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14558 // if(pvInfoList[forwardMostMove].time == -1)
14559 pvInfoList[forwardMostMove].time =
14560 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14562 flagged = CheckFlags();
14564 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14565 CheckTimeControl();
14567 if (flagged || !appData.clockMode) return;
14569 switch (gameMode) {
14570 case MachinePlaysBlack:
14571 case MachinePlaysWhite:
14572 case BeginningOfGame:
14573 if (pausing) return;
14577 case PlayFromGameFile:
14585 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14586 if(WhiteOnMove(forwardMostMove))
14587 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14588 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14592 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14593 whiteTimeRemaining : blackTimeRemaining);
14594 StartClockTimer(intendedTickLength);
14598 /* Stop both clocks */
14602 long lastTickLength;
14605 if (!StopClockTimer()) return;
14606 if (!appData.clockMode) return;
14610 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14611 if (WhiteOnMove(forwardMostMove)) {
14612 if(whiteNPS >= 0) lastTickLength = 0;
14613 whiteTimeRemaining -= lastTickLength;
14614 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14616 if(blackNPS >= 0) lastTickLength = 0;
14617 blackTimeRemaining -= lastTickLength;
14618 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14623 /* Start clock of player on move. Time may have been reset, so
14624 if clock is already running, stop and restart it. */
14628 (void) StopClockTimer(); /* in case it was running already */
14629 DisplayBothClocks();
14630 if (CheckFlags()) return;
14632 if (!appData.clockMode) return;
14633 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14635 GetTimeMark(&tickStartTM);
14636 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14637 whiteTimeRemaining : blackTimeRemaining);
14639 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14640 whiteNPS = blackNPS = -1;
14641 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14642 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14643 whiteNPS = first.nps;
14644 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14645 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14646 blackNPS = first.nps;
14647 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14648 whiteNPS = second.nps;
14649 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14650 blackNPS = second.nps;
14651 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14653 StartClockTimer(intendedTickLength);
14660 long second, minute, hour, day;
14662 static char buf[32];
14664 if (ms > 0 && ms <= 9900) {
14665 /* convert milliseconds to tenths, rounding up */
14666 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14668 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14672 /* convert milliseconds to seconds, rounding up */
14673 /* use floating point to avoid strangeness of integer division
14674 with negative dividends on many machines */
14675 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14682 day = second / (60 * 60 * 24);
14683 second = second % (60 * 60 * 24);
14684 hour = second / (60 * 60);
14685 second = second % (60 * 60);
14686 minute = second / 60;
14687 second = second % 60;
14690 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14691 sign, day, hour, minute, second);
14693 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14695 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14702 * This is necessary because some C libraries aren't ANSI C compliant yet.
14705 StrStr(string, match)
14706 char *string, *match;
14710 length = strlen(match);
14712 for (i = strlen(string) - length; i >= 0; i--, string++)
14713 if (!strncmp(match, string, length))
14720 StrCaseStr(string, match)
14721 char *string, *match;
14725 length = strlen(match);
14727 for (i = strlen(string) - length; i >= 0; i--, string++) {
14728 for (j = 0; j < length; j++) {
14729 if (ToLower(match[j]) != ToLower(string[j]))
14732 if (j == length) return string;
14746 c1 = ToLower(*s1++);
14747 c2 = ToLower(*s2++);
14748 if (c1 > c2) return 1;
14749 if (c1 < c2) return -1;
14750 if (c1 == NULLCHAR) return 0;
14759 return isupper(c) ? tolower(c) : c;
14767 return islower(c) ? toupper(c) : c;
14769 #endif /* !_amigados */
14777 if ((ret = (char *) malloc(strlen(s) + 1)))
14779 safeStrCpy(ret, s, strlen(s)+1);
14785 StrSavePtr(s, savePtr)
14786 char *s, **savePtr;
14791 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14792 safeStrCpy(*savePtr, s, strlen(s)+1);
14804 clock = time((time_t *)NULL);
14805 tm = localtime(&clock);
14806 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14807 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14808 return StrSave(buf);
14813 PositionToFEN(move, overrideCastling)
14815 char *overrideCastling;
14817 int i, j, fromX, fromY, toX, toY;
14824 whiteToPlay = (gameMode == EditPosition) ?
14825 !blackPlaysFirst : (move % 2 == 0);
14828 /* Piece placement data */
14829 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14831 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14832 if (boards[move][i][j] == EmptySquare) {
14834 } else { ChessSquare piece = boards[move][i][j];
14835 if (emptycount > 0) {
14836 if(emptycount<10) /* [HGM] can be >= 10 */
14837 *p++ = '0' + emptycount;
14838 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14841 if(PieceToChar(piece) == '+') {
14842 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14844 piece = (ChessSquare)(DEMOTED piece);
14846 *p++ = PieceToChar(piece);
14848 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14849 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14854 if (emptycount > 0) {
14855 if(emptycount<10) /* [HGM] can be >= 10 */
14856 *p++ = '0' + emptycount;
14857 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14864 /* [HGM] print Crazyhouse or Shogi holdings */
14865 if( gameInfo.holdingsWidth ) {
14866 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14868 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14869 piece = boards[move][i][BOARD_WIDTH-1];
14870 if( piece != EmptySquare )
14871 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14872 *p++ = PieceToChar(piece);
14874 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14875 piece = boards[move][BOARD_HEIGHT-i-1][0];
14876 if( piece != EmptySquare )
14877 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14878 *p++ = PieceToChar(piece);
14881 if( q == p ) *p++ = '-';
14887 *p++ = whiteToPlay ? 'w' : 'b';
14890 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14891 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14893 if(nrCastlingRights) {
14895 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14896 /* [HGM] write directly from rights */
14897 if(boards[move][CASTLING][2] != NoRights &&
14898 boards[move][CASTLING][0] != NoRights )
14899 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14900 if(boards[move][CASTLING][2] != NoRights &&
14901 boards[move][CASTLING][1] != NoRights )
14902 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14903 if(boards[move][CASTLING][5] != NoRights &&
14904 boards[move][CASTLING][3] != NoRights )
14905 *p++ = boards[move][CASTLING][3] + AAA;
14906 if(boards[move][CASTLING][5] != NoRights &&
14907 boards[move][CASTLING][4] != NoRights )
14908 *p++ = boards[move][CASTLING][4] + AAA;
14911 /* [HGM] write true castling rights */
14912 if( nrCastlingRights == 6 ) {
14913 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14914 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14915 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14916 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14917 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14918 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14919 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14920 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14923 if (q == p) *p++ = '-'; /* No castling rights */
14927 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14928 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14929 /* En passant target square */
14930 if (move > backwardMostMove) {
14931 fromX = moveList[move - 1][0] - AAA;
14932 fromY = moveList[move - 1][1] - ONE;
14933 toX = moveList[move - 1][2] - AAA;
14934 toY = moveList[move - 1][3] - ONE;
14935 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14936 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14937 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14939 /* 2-square pawn move just happened */
14941 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14945 } else if(move == backwardMostMove) {
14946 // [HGM] perhaps we should always do it like this, and forget the above?
14947 if((signed char)boards[move][EP_STATUS] >= 0) {
14948 *p++ = boards[move][EP_STATUS] + AAA;
14949 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14960 /* [HGM] find reversible plies */
14961 { int i = 0, j=move;
14963 if (appData.debugMode) { int k;
14964 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14965 for(k=backwardMostMove; k<=forwardMostMove; k++)
14966 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14970 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14971 if( j == backwardMostMove ) i += initialRulePlies;
14972 sprintf(p, "%d ", i);
14973 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14975 /* Fullmove number */
14976 sprintf(p, "%d", (move / 2) + 1);
14978 return StrSave(buf);
14982 ParseFEN(board, blackPlaysFirst, fen)
14984 int *blackPlaysFirst;
14994 /* [HGM] by default clear Crazyhouse holdings, if present */
14995 if(gameInfo.holdingsWidth) {
14996 for(i=0; i<BOARD_HEIGHT; i++) {
14997 board[i][0] = EmptySquare; /* black holdings */
14998 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14999 board[i][1] = (ChessSquare) 0; /* black counts */
15000 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
15004 /* Piece placement data */
15005 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15008 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
15009 if (*p == '/') p++;
15010 emptycount = gameInfo.boardWidth - j;
15011 while (emptycount--)
15012 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15014 #if(BOARD_FILES >= 10)
15015 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
15016 p++; emptycount=10;
15017 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15018 while (emptycount--)
15019 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15021 } else if (isdigit(*p)) {
15022 emptycount = *p++ - '0';
15023 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
15024 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15025 while (emptycount--)
15026 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15027 } else if (*p == '+' || isalpha(*p)) {
15028 if (j >= gameInfo.boardWidth) return FALSE;
15030 piece = CharToPiece(*++p);
15031 if(piece == EmptySquare) return FALSE; /* unknown piece */
15032 piece = (ChessSquare) (PROMOTED piece ); p++;
15033 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
15034 } else piece = CharToPiece(*p++);
15036 if(piece==EmptySquare) return FALSE; /* unknown piece */
15037 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
15038 piece = (ChessSquare) (PROMOTED piece);
15039 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
15042 board[i][(j++)+gameInfo.holdingsWidth] = piece;
15048 while (*p == '/' || *p == ' ') p++;
15050 /* [HGM] look for Crazyhouse holdings here */
15051 while(*p==' ') p++;
15052 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
15054 if(*p == '-' ) p++; /* empty holdings */ else {
15055 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
15056 /* if we would allow FEN reading to set board size, we would */
15057 /* have to add holdings and shift the board read so far here */
15058 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
15060 if((int) piece >= (int) BlackPawn ) {
15061 i = (int)piece - (int)BlackPawn;
15062 i = PieceToNumber((ChessSquare)i);
15063 if( i >= gameInfo.holdingsSize ) return FALSE;
15064 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
15065 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
15067 i = (int)piece - (int)WhitePawn;
15068 i = PieceToNumber((ChessSquare)i);
15069 if( i >= gameInfo.holdingsSize ) return FALSE;
15070 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
15071 board[i][BOARD_WIDTH-2]++; /* black holdings */
15078 while(*p == ' ') p++;
15082 if(appData.colorNickNames) {
15083 if( c == appData.colorNickNames[0] ) c = 'w'; else
15084 if( c == appData.colorNickNames[1] ) c = 'b';
15088 *blackPlaysFirst = FALSE;
15091 *blackPlaysFirst = TRUE;
15097 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
15098 /* return the extra info in global variiables */
15100 /* set defaults in case FEN is incomplete */
15101 board[EP_STATUS] = EP_UNKNOWN;
15102 for(i=0; i<nrCastlingRights; i++ ) {
15103 board[CASTLING][i] =
15104 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
15105 } /* assume possible unless obviously impossible */
15106 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
15107 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
15108 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
15109 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
15110 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
15111 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
15112 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
15113 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
15116 while(*p==' ') p++;
15117 if(nrCastlingRights) {
15118 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
15119 /* castling indicator present, so default becomes no castlings */
15120 for(i=0; i<nrCastlingRights; i++ ) {
15121 board[CASTLING][i] = NoRights;
15124 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
15125 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
15126 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
15127 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
15128 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
15130 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
15131 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
15132 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
15134 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
15135 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
15136 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
15137 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15138 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15139 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15142 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15143 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15144 board[CASTLING][2] = whiteKingFile;
15147 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15148 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15149 board[CASTLING][2] = whiteKingFile;
15152 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15153 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15154 board[CASTLING][5] = blackKingFile;
15157 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15158 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15159 board[CASTLING][5] = blackKingFile;
15162 default: /* FRC castlings */
15163 if(c >= 'a') { /* black rights */
15164 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15165 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15166 if(i == BOARD_RGHT) break;
15167 board[CASTLING][5] = i;
15169 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15170 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15172 board[CASTLING][3] = c;
15174 board[CASTLING][4] = c;
15175 } else { /* white rights */
15176 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15177 if(board[0][i] == WhiteKing) break;
15178 if(i == BOARD_RGHT) break;
15179 board[CASTLING][2] = i;
15180 c -= AAA - 'a' + 'A';
15181 if(board[0][c] >= WhiteKing) break;
15183 board[CASTLING][0] = c;
15185 board[CASTLING][1] = c;
15189 for(i=0; i<nrCastlingRights; i++)
15190 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15191 if (appData.debugMode) {
15192 fprintf(debugFP, "FEN castling rights:");
15193 for(i=0; i<nrCastlingRights; i++)
15194 fprintf(debugFP, " %d", board[CASTLING][i]);
15195 fprintf(debugFP, "\n");
15198 while(*p==' ') p++;
15201 /* read e.p. field in games that know e.p. capture */
15202 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15203 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15205 p++; board[EP_STATUS] = EP_NONE;
15207 char c = *p++ - AAA;
15209 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15210 if(*p >= '0' && *p <='9') p++;
15211 board[EP_STATUS] = c;
15216 if(sscanf(p, "%d", &i) == 1) {
15217 FENrulePlies = i; /* 50-move ply counter */
15218 /* (The move number is still ignored) */
15225 EditPositionPasteFEN(char *fen)
15228 Board initial_position;
15230 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15231 DisplayError(_("Bad FEN position in clipboard"), 0);
15234 int savedBlackPlaysFirst = blackPlaysFirst;
15235 EditPositionEvent();
15236 blackPlaysFirst = savedBlackPlaysFirst;
15237 CopyBoard(boards[0], initial_position);
15238 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15239 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15240 DisplayBothClocks();
15241 DrawPosition(FALSE, boards[currentMove]);
15246 static char cseq[12] = "\\ ";
15248 Boolean set_cont_sequence(char *new_seq)
15253 // handle bad attempts to set the sequence
15255 return 0; // acceptable error - no debug
15257 len = strlen(new_seq);
15258 ret = (len > 0) && (len < sizeof(cseq));
15260 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15261 else if (appData.debugMode)
15262 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15267 reformat a source message so words don't cross the width boundary. internal
15268 newlines are not removed. returns the wrapped size (no null character unless
15269 included in source message). If dest is NULL, only calculate the size required
15270 for the dest buffer. lp argument indicats line position upon entry, and it's
15271 passed back upon exit.
15273 int wrap(char *dest, char *src, int count, int width, int *lp)
15275 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15277 cseq_len = strlen(cseq);
15278 old_line = line = *lp;
15279 ansi = len = clen = 0;
15281 for (i=0; i < count; i++)
15283 if (src[i] == '\033')
15286 // if we hit the width, back up
15287 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15289 // store i & len in case the word is too long
15290 old_i = i, old_len = len;
15292 // find the end of the last word
15293 while (i && src[i] != ' ' && src[i] != '\n')
15299 // word too long? restore i & len before splitting it
15300 if ((old_i-i+clen) >= width)
15307 if (i && src[i-1] == ' ')
15310 if (src[i] != ' ' && src[i] != '\n')
15317 // now append the newline and continuation sequence
15322 strncpy(dest+len, cseq, cseq_len);
15330 dest[len] = src[i];
15334 if (src[i] == '\n')
15339 if (dest && appData.debugMode)
15341 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15342 count, width, line, len, *lp);
15343 show_bytes(debugFP, src, count);
15344 fprintf(debugFP, "\ndest: ");
15345 show_bytes(debugFP, dest, len);
15346 fprintf(debugFP, "\n");
15348 *lp = dest ? line : old_line;
15353 // [HGM] vari: routines for shelving variations
15356 PushTail(int firstMove, int lastMove)
15358 int i, j, nrMoves = lastMove - firstMove;
15360 if(appData.icsActive) { // only in local mode
15361 forwardMostMove = currentMove; // mimic old ICS behavior
15364 if(storedGames >= MAX_VARIATIONS-1) return;
15366 // push current tail of game on stack
15367 savedResult[storedGames] = gameInfo.result;
15368 savedDetails[storedGames] = gameInfo.resultDetails;
15369 gameInfo.resultDetails = NULL;
15370 savedFirst[storedGames] = firstMove;
15371 savedLast [storedGames] = lastMove;
15372 savedFramePtr[storedGames] = framePtr;
15373 framePtr -= nrMoves; // reserve space for the boards
15374 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15375 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15376 for(j=0; j<MOVE_LEN; j++)
15377 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15378 for(j=0; j<2*MOVE_LEN; j++)
15379 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15380 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15381 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15382 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15383 pvInfoList[firstMove+i-1].depth = 0;
15384 commentList[framePtr+i] = commentList[firstMove+i];
15385 commentList[firstMove+i] = NULL;
15389 forwardMostMove = firstMove; // truncate game so we can start variation
15390 if(storedGames == 1) GreyRevert(FALSE);
15394 PopTail(Boolean annotate)
15397 char buf[8000], moveBuf[20];
15399 if(appData.icsActive) return FALSE; // only in local mode
15400 if(!storedGames) return FALSE; // sanity
15401 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15404 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15405 nrMoves = savedLast[storedGames] - currentMove;
15408 if(!WhiteOnMove(currentMove))
15409 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15410 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15411 for(i=currentMove; i<forwardMostMove; i++) {
15413 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15414 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15415 strcat(buf, moveBuf);
15416 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15417 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15421 for(i=1; i<=nrMoves; i++) { // copy last variation back
15422 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15423 for(j=0; j<MOVE_LEN; j++)
15424 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15425 for(j=0; j<2*MOVE_LEN; j++)
15426 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15427 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15428 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15429 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15430 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15431 commentList[currentMove+i] = commentList[framePtr+i];
15432 commentList[framePtr+i] = NULL;
15434 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15435 framePtr = savedFramePtr[storedGames];
15436 gameInfo.result = savedResult[storedGames];
15437 if(gameInfo.resultDetails != NULL) {
15438 free(gameInfo.resultDetails);
15440 gameInfo.resultDetails = savedDetails[storedGames];
15441 forwardMostMove = currentMove + nrMoves;
15442 if(storedGames == 0) GreyRevert(TRUE);
15448 { // remove all shelved variations
15450 for(i=0; i<storedGames; i++) {
15451 if(savedDetails[i])
15452 free(savedDetails[i]);
15453 savedDetails[i] = NULL;
15455 for(i=framePtr; i<MAX_MOVES; i++) {
15456 if(commentList[i]) free(commentList[i]);
15457 commentList[i] = NULL;
15459 framePtr = MAX_MOVES-1;
15464 LoadVariation(int index, char *text)
15465 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15466 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15467 int level = 0, move;
15469 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15470 // first find outermost bracketing variation
15471 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15472 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15473 if(*p == '{') wait = '}'; else
15474 if(*p == '[') wait = ']'; else
15475 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15476 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15478 if(*p == wait) wait = NULLCHAR; // closing ]} found
15481 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15482 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15483 end[1] = NULLCHAR; // clip off comment beyond variation
15484 ToNrEvent(currentMove-1);
15485 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15486 // kludge: use ParsePV() to append variation to game
15487 move = currentMove;
15488 ParsePV(start, TRUE);
15489 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15490 ClearPremoveHighlights();
15492 ToNrEvent(currentMove+1);