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;
451 int sending_ICS_login = 0;
452 int sending_ICS_password = 0;
455 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
456 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
457 long timeControl_2; /* [AS] Allow separate time controls */
458 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
459 long timeRemaining[2][MAX_MOVES];
461 TimeMark programStartTime;
462 char ics_handle[MSG_SIZ];
463 int have_set_title = 0;
465 /* animateTraining preserves the state of appData.animate
466 * when Training mode is activated. This allows the
467 * response to be animated when appData.animate == TRUE and
468 * appData.animateDragging == TRUE.
470 Boolean animateTraining;
476 Board boards[MAX_MOVES];
477 /* [HGM] Following 7 needed for accurate legality tests: */
478 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
479 signed char initialRights[BOARD_FILES];
480 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
481 int initialRulePlies, FENrulePlies;
482 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
485 int mute; // mute all sounds
487 // [HGM] vari: next 12 to save and restore variations
488 #define MAX_VARIATIONS 10
489 int framePtr = MAX_MOVES-1; // points to free stack entry
491 int savedFirst[MAX_VARIATIONS];
492 int savedLast[MAX_VARIATIONS];
493 int savedFramePtr[MAX_VARIATIONS];
494 char *savedDetails[MAX_VARIATIONS];
495 ChessMove savedResult[MAX_VARIATIONS];
497 void PushTail P((int firstMove, int lastMove));
498 Boolean PopTail P((Boolean annotate));
499 void CleanupTail P((void));
501 ChessSquare FIDEArray[2][BOARD_FILES] = {
502 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
503 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
504 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
505 BlackKing, BlackBishop, BlackKnight, BlackRook }
508 ChessSquare twoKingsArray[2][BOARD_FILES] = {
509 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
510 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
511 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
512 BlackKing, BlackKing, BlackKnight, BlackRook }
515 ChessSquare KnightmateArray[2][BOARD_FILES] = {
516 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
517 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
518 { BlackRook, BlackMan, BlackBishop, BlackQueen,
519 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
522 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
523 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
524 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
525 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
526 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
529 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
530 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
531 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
532 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
533 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
536 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
537 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
538 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
539 { BlackRook, BlackKnight, BlackMan, BlackFerz,
540 BlackKing, BlackMan, BlackKnight, BlackRook }
544 #if (BOARD_FILES>=10)
545 ChessSquare ShogiArray[2][BOARD_FILES] = {
546 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
547 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
548 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
549 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
552 ChessSquare XiangqiArray[2][BOARD_FILES] = {
553 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
554 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
555 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
556 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
559 ChessSquare CapablancaArray[2][BOARD_FILES] = {
560 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
561 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
562 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
563 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
566 ChessSquare GreatArray[2][BOARD_FILES] = {
567 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
568 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
569 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
570 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
573 ChessSquare JanusArray[2][BOARD_FILES] = {
574 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
575 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
576 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
577 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
581 ChessSquare GothicArray[2][BOARD_FILES] = {
582 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
583 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
584 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
585 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
588 #define GothicArray CapablancaArray
592 ChessSquare FalconArray[2][BOARD_FILES] = {
593 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
594 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
595 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
596 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
599 #define FalconArray CapablancaArray
602 #else // !(BOARD_FILES>=10)
603 #define XiangqiPosition FIDEArray
604 #define CapablancaArray FIDEArray
605 #define GothicArray FIDEArray
606 #define GreatArray FIDEArray
607 #endif // !(BOARD_FILES>=10)
609 #if (BOARD_FILES>=12)
610 ChessSquare CourierArray[2][BOARD_FILES] = {
611 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
612 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
613 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
614 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
616 #else // !(BOARD_FILES>=12)
617 #define CourierArray CapablancaArray
618 #endif // !(BOARD_FILES>=12)
621 Board initialPosition;
624 /* Convert str to a rating. Checks for special cases of "----",
626 "++++", etc. Also strips ()'s */
628 string_to_rating(str)
631 while(*str && !isdigit(*str)) ++str;
633 return 0; /* One of the special "no rating" cases */
641 /* Init programStats */
642 programStats.movelist[0] = 0;
643 programStats.depth = 0;
644 programStats.nr_moves = 0;
645 programStats.moves_left = 0;
646 programStats.nodes = 0;
647 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
648 programStats.score = 0;
649 programStats.got_only_move = 0;
650 programStats.got_fail = 0;
651 programStats.line_is_book = 0;
657 int matched, min, sec;
659 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
660 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
662 GetTimeMark(&programStartTime);
663 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
666 programStats.ok_to_send = 1;
667 programStats.seen_stat = 0;
670 * Initialize game list
676 * Internet chess server status
678 if (appData.icsActive) {
679 appData.matchMode = FALSE;
680 appData.matchGames = 0;
682 appData.noChessProgram = !appData.zippyPlay;
684 appData.zippyPlay = FALSE;
685 appData.zippyTalk = FALSE;
686 appData.noChessProgram = TRUE;
688 if (*appData.icsHelper != NULLCHAR) {
689 appData.useTelnet = TRUE;
690 appData.telnetProgram = appData.icsHelper;
693 appData.zippyTalk = appData.zippyPlay = FALSE;
696 /* [AS] Initialize pv info list [HGM] and game state */
700 for( i=0; i<=framePtr; i++ ) {
701 pvInfoList[i].depth = -1;
702 boards[i][EP_STATUS] = EP_NONE;
703 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
708 * Parse timeControl resource
710 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
711 appData.movesPerSession)) {
713 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
714 DisplayFatalError(buf, 0, 2);
718 * Parse searchTime resource
720 if (*appData.searchTime != NULLCHAR) {
721 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
723 searchTime = min * 60;
724 } else if (matched == 2) {
725 searchTime = min * 60 + sec;
728 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
729 DisplayFatalError(buf, 0, 2);
733 /* [AS] Adjudication threshold */
734 adjudicateLossThreshold = appData.adjudicateLossThreshold;
736 first.which = _("first");
737 second.which = _("second");
738 first.maybeThinking = second.maybeThinking = FALSE;
739 first.pr = second.pr = NoProc;
740 first.isr = second.isr = NULL;
741 first.sendTime = second.sendTime = 2;
742 first.sendDrawOffers = 1;
743 if (appData.firstPlaysBlack) {
744 first.twoMachinesColor = "black\n";
745 second.twoMachinesColor = "white\n";
747 first.twoMachinesColor = "white\n";
748 second.twoMachinesColor = "black\n";
750 first.program = appData.firstChessProgram;
751 second.program = appData.secondChessProgram;
752 first.host = appData.firstHost;
753 second.host = appData.secondHost;
754 first.dir = appData.firstDirectory;
755 second.dir = appData.secondDirectory;
756 first.other = &second;
757 second.other = &first;
758 first.initString = appData.initString;
759 second.initString = appData.secondInitString;
760 first.computerString = appData.firstComputerString;
761 second.computerString = appData.secondComputerString;
762 first.useSigint = second.useSigint = TRUE;
763 first.useSigterm = second.useSigterm = TRUE;
764 first.reuse = appData.reuseFirst;
765 second.reuse = appData.reuseSecond;
766 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
767 second.nps = appData.secondNPS;
768 first.useSetboard = second.useSetboard = FALSE;
769 first.useSAN = second.useSAN = FALSE;
770 first.usePing = second.usePing = FALSE;
771 first.lastPing = second.lastPing = 0;
772 first.lastPong = second.lastPong = 0;
773 first.usePlayother = second.usePlayother = FALSE;
774 first.useColors = second.useColors = TRUE;
775 first.useUsermove = second.useUsermove = FALSE;
776 first.sendICS = second.sendICS = FALSE;
777 first.sendName = second.sendName = appData.icsActive;
778 first.sdKludge = second.sdKludge = FALSE;
779 first.stKludge = second.stKludge = FALSE;
780 TidyProgramName(first.program, first.host, first.tidy);
781 TidyProgramName(second.program, second.host, second.tidy);
782 first.matchWins = second.matchWins = 0;
783 safeStrCpy(first.variants, appData.variant, sizeof(first.variants)/sizeof(first.variants[0]));
784 safeStrCpy(second.variants, appData.variant,sizeof(second.variants)/sizeof(second.variants[0]));
785 first.analysisSupport = second.analysisSupport = 2; /* detect */
786 first.analyzing = second.analyzing = FALSE;
787 first.initDone = second.initDone = FALSE;
789 /* New features added by Tord: */
790 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
791 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
792 /* End of new features added by Tord. */
793 first.fenOverride = appData.fenOverride1;
794 second.fenOverride = appData.fenOverride2;
796 /* [HGM] time odds: set factor for each machine */
797 first.timeOdds = appData.firstTimeOdds;
798 second.timeOdds = appData.secondTimeOdds;
800 if(appData.timeOddsMode) {
801 norm = first.timeOdds;
802 if(norm > second.timeOdds) norm = second.timeOdds;
804 first.timeOdds /= norm;
805 second.timeOdds /= norm;
808 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
809 first.accumulateTC = appData.firstAccumulateTC;
810 second.accumulateTC = appData.secondAccumulateTC;
811 first.maxNrOfSessions = second.maxNrOfSessions = 1;
814 first.debug = second.debug = FALSE;
815 first.supportsNPS = second.supportsNPS = UNKNOWN;
818 first.optionSettings = appData.firstOptions;
819 second.optionSettings = appData.secondOptions;
821 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
822 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
823 first.isUCI = appData.firstIsUCI; /* [AS] */
824 second.isUCI = appData.secondIsUCI; /* [AS] */
825 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
826 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
828 if (appData.firstProtocolVersion > PROTOVER
829 || appData.firstProtocolVersion < 1)
834 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
835 appData.firstProtocolVersion);
836 if( (len > MSG_SIZ) && appData.debugMode )
837 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
839 DisplayFatalError(buf, 0, 2);
843 first.protocolVersion = appData.firstProtocolVersion;
846 if (appData.secondProtocolVersion > PROTOVER
847 || appData.secondProtocolVersion < 1)
852 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
853 appData.secondProtocolVersion);
854 if( (len > MSG_SIZ) && appData.debugMode )
855 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
857 DisplayFatalError(buf, 0, 2);
861 second.protocolVersion = appData.secondProtocolVersion;
864 if (appData.icsActive) {
865 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
866 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
867 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
868 appData.clockMode = FALSE;
869 first.sendTime = second.sendTime = 0;
873 /* Override some settings from environment variables, for backward
874 compatibility. Unfortunately it's not feasible to have the env
875 vars just set defaults, at least in xboard. Ugh.
877 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
882 if (appData.noChessProgram) {
883 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
884 sprintf(programVersion, "%s", PACKAGE_STRING);
886 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
887 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
888 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
891 if (!appData.icsActive) {
895 /* Check for variants that are supported only in ICS mode,
896 or not at all. Some that are accepted here nevertheless
897 have bugs; see comments below.
899 VariantClass variant = StringToVariant(appData.variant);
901 case VariantBughouse: /* need four players and two boards */
902 case VariantKriegspiel: /* need to hide pieces and move details */
903 /* case VariantFischeRandom: (Fabien: moved below) */
904 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
905 if( (len > MSG_SIZ) && appData.debugMode )
906 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
908 DisplayFatalError(buf, 0, 2);
912 case VariantLoadable:
922 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
923 if( (len > MSG_SIZ) && appData.debugMode )
924 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
926 DisplayFatalError(buf, 0, 2);
929 case VariantXiangqi: /* [HGM] repetition rules not implemented */
930 case VariantFairy: /* [HGM] TestLegality definitely off! */
931 case VariantGothic: /* [HGM] should work */
932 case VariantCapablanca: /* [HGM] should work */
933 case VariantCourier: /* [HGM] initial forced moves not implemented */
934 case VariantShogi: /* [HGM] could still mate with pawn drop */
935 case VariantKnightmate: /* [HGM] should work */
936 case VariantCylinder: /* [HGM] untested */
937 case VariantFalcon: /* [HGM] untested */
938 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
939 offboard interposition not understood */
940 case VariantNormal: /* definitely works! */
941 case VariantWildCastle: /* pieces not automatically shuffled */
942 case VariantNoCastle: /* pieces not automatically shuffled */
943 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
944 case VariantLosers: /* should work except for win condition,
945 and doesn't know captures are mandatory */
946 case VariantSuicide: /* should work except for win condition,
947 and doesn't know captures are mandatory */
948 case VariantGiveaway: /* should work except for win condition,
949 and doesn't know captures are mandatory */
950 case VariantTwoKings: /* should work */
951 case VariantAtomic: /* should work except for win condition */
952 case Variant3Check: /* should work except for win condition */
953 case VariantShatranj: /* should work except for all win conditions */
954 case VariantMakruk: /* should work except for daw countdown */
955 case VariantBerolina: /* might work if TestLegality is off */
956 case VariantCapaRandom: /* should work */
957 case VariantJanus: /* should work */
958 case VariantSuper: /* experimental */
959 case VariantGreat: /* experimental, requires legality testing to be off */
960 case VariantSChess: /* S-Chess, should work */
965 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
966 InitEngineUCI( installDir, &second );
969 int NextIntegerFromString( char ** str, long * value )
974 while( *s == ' ' || *s == '\t' ) {
980 if( *s >= '0' && *s <= '9' ) {
981 while( *s >= '0' && *s <= '9' ) {
982 *value = *value * 10 + (*s - '0');
994 int NextTimeControlFromString( char ** str, long * value )
997 int result = NextIntegerFromString( str, &temp );
1000 *value = temp * 60; /* Minutes */
1001 if( **str == ':' ) {
1003 result = NextIntegerFromString( str, &temp );
1004 *value += temp; /* Seconds */
1011 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1012 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1013 int result = -1, type = 0; long temp, temp2;
1015 if(**str != ':') return -1; // old params remain in force!
1017 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1018 if( NextIntegerFromString( str, &temp ) ) return -1;
1019 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1022 /* time only: incremental or sudden-death time control */
1023 if(**str == '+') { /* increment follows; read it */
1025 if(**str == '!') type = *(*str)++; // Bronstein TC
1026 if(result = NextIntegerFromString( str, &temp2)) return -1;
1027 *inc = temp2 * 1000;
1028 if(**str == '.') { // read fraction of increment
1029 char *start = ++(*str);
1030 if(result = NextIntegerFromString( str, &temp2)) return -1;
1032 while(start++ < *str) temp2 /= 10;
1036 *moves = 0; *tc = temp * 1000; *incType = type;
1040 (*str)++; /* classical time control */
1041 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1052 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1053 { /* [HGM] get time to add from the multi-session time-control string */
1054 int incType, moves=1; /* kludge to force reading of first session */
1055 long time, increment;
1058 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1059 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1061 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1062 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1063 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1064 if(movenr == -1) return time; /* last move before new session */
1065 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1066 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1067 if(!moves) return increment; /* current session is incremental */
1068 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1069 } while(movenr >= -1); /* try again for next session */
1071 return 0; // no new time quota on this move
1075 ParseTimeControl(tc, ti, mps)
1082 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1085 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1086 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1087 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1091 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1093 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1096 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1098 snprintf(buf, MSG_SIZ, ":%s", mytc);
1100 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1102 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1107 /* Parse second time control */
1110 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1118 timeControl_2 = tc2 * 1000;
1128 timeControl = tc1 * 1000;
1131 timeIncrement = ti * 1000; /* convert to ms */
1132 movesPerSession = 0;
1135 movesPerSession = mps;
1143 if (appData.debugMode) {
1144 fprintf(debugFP, "%s\n", programVersion);
1147 set_cont_sequence(appData.wrapContSeq);
1148 if (appData.matchGames > 0) {
1149 appData.matchMode = TRUE;
1150 } else if (appData.matchMode) {
1151 appData.matchGames = 1;
1153 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1154 appData.matchGames = appData.sameColorGames;
1155 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1156 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1157 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1160 if (appData.noChessProgram || first.protocolVersion == 1) {
1163 /* kludge: allow timeout for initial "feature" commands */
1165 DisplayMessage("", _("Starting chess program"));
1166 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1171 InitBackEnd3 P((void))
1173 GameMode initialMode;
1177 InitChessProgram(&first, startedFromSetupPosition);
1179 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1180 free(programVersion);
1181 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1182 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1185 if (appData.icsActive) {
1187 /* [DM] Make a console window if needed [HGM] merged ifs */
1193 if (*appData.icsCommPort != NULLCHAR)
1194 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1195 appData.icsCommPort);
1197 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1198 appData.icsHost, appData.icsPort);
1200 if( (len > MSG_SIZ) && appData.debugMode )
1201 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1203 DisplayFatalError(buf, err, 1);
1208 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1210 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1211 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1212 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1213 } else if (appData.noChessProgram) {
1219 if (*appData.cmailGameName != NULLCHAR) {
1221 OpenLoopback(&cmailPR);
1223 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1227 DisplayMessage("", "");
1228 if (StrCaseCmp(appData.initialMode, "") == 0) {
1229 initialMode = BeginningOfGame;
1230 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1231 initialMode = TwoMachinesPlay;
1232 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1233 initialMode = AnalyzeFile;
1234 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1235 initialMode = AnalyzeMode;
1236 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1237 initialMode = MachinePlaysWhite;
1238 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1239 initialMode = MachinePlaysBlack;
1240 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1241 initialMode = EditGame;
1242 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1243 initialMode = EditPosition;
1244 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1245 initialMode = Training;
1247 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1248 if( (len > MSG_SIZ) && appData.debugMode )
1249 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1251 DisplayFatalError(buf, 0, 2);
1255 if (appData.matchMode) {
1256 /* Set up machine vs. machine match */
1257 if (appData.noChessProgram) {
1258 DisplayFatalError(_("Can't have a match with no chess programs"),
1264 if (*appData.loadGameFile != NULLCHAR) {
1265 int index = appData.loadGameIndex; // [HGM] autoinc
1266 if(index<0) lastIndex = index = 1;
1267 if (!LoadGameFromFile(appData.loadGameFile,
1269 appData.loadGameFile, FALSE)) {
1270 DisplayFatalError(_("Bad game file"), 0, 1);
1273 } else if (*appData.loadPositionFile != NULLCHAR) {
1274 int index = appData.loadPositionIndex; // [HGM] autoinc
1275 if(index<0) lastIndex = index = 1;
1276 if (!LoadPositionFromFile(appData.loadPositionFile,
1278 appData.loadPositionFile)) {
1279 DisplayFatalError(_("Bad position file"), 0, 1);
1284 } else if (*appData.cmailGameName != NULLCHAR) {
1285 /* Set up cmail mode */
1286 ReloadCmailMsgEvent(TRUE);
1288 /* Set up other modes */
1289 if (initialMode == AnalyzeFile) {
1290 if (*appData.loadGameFile == NULLCHAR) {
1291 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1295 if (*appData.loadGameFile != NULLCHAR) {
1296 (void) LoadGameFromFile(appData.loadGameFile,
1297 appData.loadGameIndex,
1298 appData.loadGameFile, TRUE);
1299 } else if (*appData.loadPositionFile != NULLCHAR) {
1300 (void) LoadPositionFromFile(appData.loadPositionFile,
1301 appData.loadPositionIndex,
1302 appData.loadPositionFile);
1303 /* [HGM] try to make self-starting even after FEN load */
1304 /* to allow automatic setup of fairy variants with wtm */
1305 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1306 gameMode = BeginningOfGame;
1307 setboardSpoiledMachineBlack = 1;
1309 /* [HGM] loadPos: make that every new game uses the setup */
1310 /* from file as long as we do not switch variant */
1311 if(!blackPlaysFirst) {
1312 startedFromPositionFile = TRUE;
1313 CopyBoard(filePosition, boards[0]);
1316 if (initialMode == AnalyzeMode) {
1317 if (appData.noChessProgram) {
1318 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1321 if (appData.icsActive) {
1322 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1326 } else if (initialMode == AnalyzeFile) {
1327 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1328 ShowThinkingEvent();
1330 AnalysisPeriodicEvent(1);
1331 } else if (initialMode == MachinePlaysWhite) {
1332 if (appData.noChessProgram) {
1333 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1337 if (appData.icsActive) {
1338 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1342 MachineWhiteEvent();
1343 } else if (initialMode == MachinePlaysBlack) {
1344 if (appData.noChessProgram) {
1345 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1349 if (appData.icsActive) {
1350 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1354 MachineBlackEvent();
1355 } else if (initialMode == TwoMachinesPlay) {
1356 if (appData.noChessProgram) {
1357 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1361 if (appData.icsActive) {
1362 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1367 } else if (initialMode == EditGame) {
1369 } else if (initialMode == EditPosition) {
1370 EditPositionEvent();
1371 } else if (initialMode == Training) {
1372 if (*appData.loadGameFile == NULLCHAR) {
1373 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1382 * Establish will establish a contact to a remote host.port.
1383 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1384 * used to talk to the host.
1385 * Returns 0 if okay, error code if not.
1392 if (*appData.icsCommPort != NULLCHAR) {
1393 /* Talk to the host through a serial comm port */
1394 return OpenCommPort(appData.icsCommPort, &icsPR);
1396 } else if (*appData.gateway != NULLCHAR) {
1397 if (*appData.remoteShell == NULLCHAR) {
1398 /* Use the rcmd protocol to run telnet program on a gateway host */
1399 snprintf(buf, sizeof(buf), "%s %s %s",
1400 appData.telnetProgram, appData.icsHost, appData.icsPort);
1401 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1404 /* Use the rsh program to run telnet program on a gateway host */
1405 if (*appData.remoteUser == NULLCHAR) {
1406 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1407 appData.gateway, appData.telnetProgram,
1408 appData.icsHost, appData.icsPort);
1410 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1411 appData.remoteShell, appData.gateway,
1412 appData.remoteUser, appData.telnetProgram,
1413 appData.icsHost, appData.icsPort);
1415 return StartChildProcess(buf, "", &icsPR);
1418 } else if (appData.useTelnet) {
1419 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1422 /* TCP socket interface differs somewhat between
1423 Unix and NT; handle details in the front end.
1425 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1429 void EscapeExpand(char *p, char *q)
1430 { // [HGM] initstring: routine to shape up string arguments
1431 while(*p++ = *q++) if(p[-1] == '\\')
1433 case 'n': p[-1] = '\n'; break;
1434 case 'r': p[-1] = '\r'; break;
1435 case 't': p[-1] = '\t'; break;
1436 case '\\': p[-1] = '\\'; break;
1437 case 0: *p = 0; return;
1438 default: p[-1] = q[-1]; break;
1443 show_bytes(fp, buf, count)
1449 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1450 fprintf(fp, "\\%03o", *buf & 0xff);
1459 /* Returns an errno value */
1461 OutputMaybeTelnet(pr, message, count, outError)
1467 char buf[8192], *p, *q, *buflim;
1468 int left, newcount, outcount;
1470 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1471 *appData.gateway != NULLCHAR) {
1472 if (appData.debugMode) {
1473 fprintf(debugFP, ">ICS: ");
1474 show_bytes(debugFP, message, count);
1475 fprintf(debugFP, "\n");
1477 return OutputToProcess(pr, message, count, outError);
1480 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1487 if (appData.debugMode) {
1488 fprintf(debugFP, ">ICS: ");
1489 show_bytes(debugFP, buf, newcount);
1490 fprintf(debugFP, "\n");
1492 outcount = OutputToProcess(pr, buf, newcount, outError);
1493 if (outcount < newcount) return -1; /* to be sure */
1500 } else if (((unsigned char) *p) == TN_IAC) {
1501 *q++ = (char) TN_IAC;
1508 if (appData.debugMode) {
1509 fprintf(debugFP, ">ICS: ");
1510 show_bytes(debugFP, buf, newcount);
1511 fprintf(debugFP, "\n");
1513 outcount = OutputToProcess(pr, buf, newcount, outError);
1514 if (outcount < newcount) return -1; /* to be sure */
1519 read_from_player(isr, closure, message, count, error)
1526 int outError, outCount;
1527 static int gotEof = 0;
1529 /* Pass data read from player on to ICS */
1532 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1533 if (outCount < count) {
1534 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1536 } else if (count < 0) {
1537 RemoveInputSource(isr);
1538 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1539 } else if (gotEof++ > 0) {
1540 RemoveInputSource(isr);
1541 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1547 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1548 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1549 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1550 SendToICS("date\n");
1551 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1554 /* added routine for printf style output to ics */
1555 void ics_printf(char *format, ...)
1557 char buffer[MSG_SIZ];
1560 va_start(args, format);
1561 vsnprintf(buffer, sizeof(buffer), format, args);
1562 buffer[sizeof(buffer)-1] = '\0';
1571 int count, outCount, outError;
1573 if (icsPR == NULL) return;
1576 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1577 if (outCount < count) {
1578 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1582 /* This is used for sending logon scripts to the ICS. Sending
1583 without a delay causes problems when using timestamp on ICC
1584 (at least on my machine). */
1586 SendToICSDelayed(s,msdelay)
1590 int count, outCount, outError;
1592 if (icsPR == NULL) return;
1595 if (appData.debugMode) {
1596 fprintf(debugFP, ">ICS: ");
1597 show_bytes(debugFP, s, count);
1598 fprintf(debugFP, "\n");
1600 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1602 if (outCount < count) {
1603 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1608 /* Remove all highlighting escape sequences in s
1609 Also deletes any suffix starting with '('
1612 StripHighlightAndTitle(s)
1615 static char retbuf[MSG_SIZ];
1618 while (*s != NULLCHAR) {
1619 while (*s == '\033') {
1620 while (*s != NULLCHAR && !isalpha(*s)) s++;
1621 if (*s != NULLCHAR) s++;
1623 while (*s != NULLCHAR && *s != '\033') {
1624 if (*s == '(' || *s == '[') {
1635 /* Remove all highlighting escape sequences in s */
1640 static char retbuf[MSG_SIZ];
1643 while (*s != NULLCHAR) {
1644 while (*s == '\033') {
1645 while (*s != NULLCHAR && !isalpha(*s)) s++;
1646 if (*s != NULLCHAR) s++;
1648 while (*s != NULLCHAR && *s != '\033') {
1656 char *variantNames[] = VARIANT_NAMES;
1661 return variantNames[v];
1665 /* Identify a variant from the strings the chess servers use or the
1666 PGN Variant tag names we use. */
1673 VariantClass v = VariantNormal;
1674 int i, found = FALSE;
1680 /* [HGM] skip over optional board-size prefixes */
1681 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1682 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1683 while( *e++ != '_');
1686 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1690 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1691 if (StrCaseStr(e, variantNames[i])) {
1692 v = (VariantClass) i;
1699 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1700 || StrCaseStr(e, "wild/fr")
1701 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1702 v = VariantFischeRandom;
1703 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1704 (i = 1, p = StrCaseStr(e, "w"))) {
1706 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1713 case 0: /* FICS only, actually */
1715 /* Castling legal even if K starts on d-file */
1716 v = VariantWildCastle;
1721 /* Castling illegal even if K & R happen to start in
1722 normal positions. */
1723 v = VariantNoCastle;
1736 /* Castling legal iff K & R start in normal positions */
1742 /* Special wilds for position setup; unclear what to do here */
1743 v = VariantLoadable;
1746 /* Bizarre ICC game */
1747 v = VariantTwoKings;
1750 v = VariantKriegspiel;
1756 v = VariantFischeRandom;
1759 v = VariantCrazyhouse;
1762 v = VariantBughouse;
1768 /* Not quite the same as FICS suicide! */
1769 v = VariantGiveaway;
1775 v = VariantShatranj;
1778 /* Temporary names for future ICC types. The name *will* change in
1779 the next xboard/WinBoard release after ICC defines it. */
1817 v = VariantCapablanca;
1820 v = VariantKnightmate;
1826 v = VariantCylinder;
1832 v = VariantCapaRandom;
1835 v = VariantBerolina;
1847 /* Found "wild" or "w" in the string but no number;
1848 must assume it's normal chess. */
1852 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
1853 if( (len > MSG_SIZ) && appData.debugMode )
1854 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
1856 DisplayError(buf, 0);
1862 if (appData.debugMode) {
1863 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1864 e, wnum, VariantName(v));
1869 static int leftover_start = 0, leftover_len = 0;
1870 char star_match[STAR_MATCH_N][MSG_SIZ];
1872 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1873 advance *index beyond it, and set leftover_start to the new value of
1874 *index; else return FALSE. If pattern contains the character '*', it
1875 matches any sequence of characters not containing '\r', '\n', or the
1876 character following the '*' (if any), and the matched sequence(s) are
1877 copied into star_match.
1880 looking_at(buf, index, pattern)
1885 char *bufp = &buf[*index], *patternp = pattern;
1887 char *matchp = star_match[0];
1890 if (*patternp == NULLCHAR) {
1891 *index = leftover_start = bufp - buf;
1895 if (*bufp == NULLCHAR) return FALSE;
1896 if (*patternp == '*') {
1897 if (*bufp == *(patternp + 1)) {
1899 matchp = star_match[++star_count];
1903 } else if (*bufp == '\n' || *bufp == '\r') {
1905 if (*patternp == NULLCHAR)
1910 *matchp++ = *bufp++;
1914 if (*patternp != *bufp) return FALSE;
1921 SendToPlayer(data, length)
1925 int error, outCount;
1926 outCount = OutputToProcess(NoProc, data, length, &error);
1927 if (outCount < length) {
1928 DisplayFatalError(_("Error writing to display"), error, 1);
1933 PackHolding(packed, holding)
1945 switch (runlength) {
1956 sprintf(q, "%d", runlength);
1968 /* Telnet protocol requests from the front end */
1970 TelnetRequest(ddww, option)
1971 unsigned char ddww, option;
1973 unsigned char msg[3];
1974 int outCount, outError;
1976 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1978 if (appData.debugMode) {
1979 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1995 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2004 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2007 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2012 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2014 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2021 if (!appData.icsActive) return;
2022 TelnetRequest(TN_DO, TN_ECHO);
2028 if (!appData.icsActive) return;
2029 TelnetRequest(TN_DONT, TN_ECHO);
2033 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2035 /* put the holdings sent to us by the server on the board holdings area */
2036 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2040 if(gameInfo.holdingsWidth < 2) return;
2041 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2042 return; // prevent overwriting by pre-board holdings
2044 if( (int)lowestPiece >= BlackPawn ) {
2047 holdingsStartRow = BOARD_HEIGHT-1;
2050 holdingsColumn = BOARD_WIDTH-1;
2051 countsColumn = BOARD_WIDTH-2;
2052 holdingsStartRow = 0;
2056 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2057 board[i][holdingsColumn] = EmptySquare;
2058 board[i][countsColumn] = (ChessSquare) 0;
2060 while( (p=*holdings++) != NULLCHAR ) {
2061 piece = CharToPiece( ToUpper(p) );
2062 if(piece == EmptySquare) continue;
2063 /*j = (int) piece - (int) WhitePawn;*/
2064 j = PieceToNumber(piece);
2065 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2066 if(j < 0) continue; /* should not happen */
2067 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2068 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2069 board[holdingsStartRow+j*direction][countsColumn]++;
2075 VariantSwitch(Board board, VariantClass newVariant)
2077 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2078 static Board oldBoard;
2080 startedFromPositionFile = FALSE;
2081 if(gameInfo.variant == newVariant) return;
2083 /* [HGM] This routine is called each time an assignment is made to
2084 * gameInfo.variant during a game, to make sure the board sizes
2085 * are set to match the new variant. If that means adding or deleting
2086 * holdings, we shift the playing board accordingly
2087 * This kludge is needed because in ICS observe mode, we get boards
2088 * of an ongoing game without knowing the variant, and learn about the
2089 * latter only later. This can be because of the move list we requested,
2090 * in which case the game history is refilled from the beginning anyway,
2091 * but also when receiving holdings of a crazyhouse game. In the latter
2092 * case we want to add those holdings to the already received position.
2096 if (appData.debugMode) {
2097 fprintf(debugFP, "Switch board from %s to %s\n",
2098 VariantName(gameInfo.variant), VariantName(newVariant));
2099 setbuf(debugFP, NULL);
2101 shuffleOpenings = 0; /* [HGM] shuffle */
2102 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2106 newWidth = 9; newHeight = 9;
2107 gameInfo.holdingsSize = 7;
2108 case VariantBughouse:
2109 case VariantCrazyhouse:
2110 newHoldingsWidth = 2; break;
2114 newHoldingsWidth = 2;
2115 gameInfo.holdingsSize = 8;
2118 case VariantCapablanca:
2119 case VariantCapaRandom:
2122 newHoldingsWidth = gameInfo.holdingsSize = 0;
2125 if(newWidth != gameInfo.boardWidth ||
2126 newHeight != gameInfo.boardHeight ||
2127 newHoldingsWidth != gameInfo.holdingsWidth ) {
2129 /* shift position to new playing area, if needed */
2130 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2131 for(i=0; i<BOARD_HEIGHT; i++)
2132 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2133 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2135 for(i=0; i<newHeight; i++) {
2136 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2137 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2139 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2140 for(i=0; i<BOARD_HEIGHT; i++)
2141 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2142 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2145 gameInfo.boardWidth = newWidth;
2146 gameInfo.boardHeight = newHeight;
2147 gameInfo.holdingsWidth = newHoldingsWidth;
2148 gameInfo.variant = newVariant;
2149 InitDrawingSizes(-2, 0);
2150 } else gameInfo.variant = newVariant;
2151 CopyBoard(oldBoard, board); // remember correctly formatted board
2152 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2153 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2156 static int loggedOn = FALSE;
2158 /*-- Game start info cache: --*/
2160 char gs_kind[MSG_SIZ];
2161 static char player1Name[128] = "";
2162 static char player2Name[128] = "";
2163 static char cont_seq[] = "\n\\ ";
2164 static int player1Rating = -1;
2165 static int player2Rating = -1;
2166 /*----------------------------*/
2168 ColorClass curColor = ColorNormal;
2169 int suppressKibitz = 0;
2172 Boolean soughtPending = FALSE;
2173 Boolean seekGraphUp;
2174 #define MAX_SEEK_ADS 200
2176 char *seekAdList[MAX_SEEK_ADS];
2177 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2178 float tcList[MAX_SEEK_ADS];
2179 char colorList[MAX_SEEK_ADS];
2180 int nrOfSeekAds = 0;
2181 int minRating = 1010, maxRating = 2800;
2182 int hMargin = 10, vMargin = 20, h, w;
2183 extern int squareSize, lineGap;
2188 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2189 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2190 if(r < minRating+100 && r >=0 ) r = minRating+100;
2191 if(r > maxRating) r = maxRating;
2192 if(tc < 1.) tc = 1.;
2193 if(tc > 95.) tc = 95.;
2194 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2195 y = ((double)r - minRating)/(maxRating - minRating)
2196 * (h-vMargin-squareSize/8-1) + vMargin;
2197 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2198 if(strstr(seekAdList[i], " u ")) color = 1;
2199 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2200 !strstr(seekAdList[i], "bullet") &&
2201 !strstr(seekAdList[i], "blitz") &&
2202 !strstr(seekAdList[i], "standard") ) color = 2;
2203 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2204 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2208 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2210 char buf[MSG_SIZ], *ext = "";
2211 VariantClass v = StringToVariant(type);
2212 if(strstr(type, "wild")) {
2213 ext = type + 4; // append wild number
2214 if(v == VariantFischeRandom) type = "chess960"; else
2215 if(v == VariantLoadable) type = "setup"; else
2216 type = VariantName(v);
2218 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2219 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2220 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2221 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2222 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2223 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2224 seekNrList[nrOfSeekAds] = nr;
2225 zList[nrOfSeekAds] = 0;
2226 seekAdList[nrOfSeekAds++] = StrSave(buf);
2227 if(plot) PlotSeekAd(nrOfSeekAds-1);
2234 int x = xList[i], y = yList[i], d=squareSize/4, k;
2235 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2236 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2237 // now replot every dot that overlapped
2238 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2239 int xx = xList[k], yy = yList[k];
2240 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2241 DrawSeekDot(xx, yy, colorList[k]);
2246 RemoveSeekAd(int nr)
2249 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2251 if(seekAdList[i]) free(seekAdList[i]);
2252 seekAdList[i] = seekAdList[--nrOfSeekAds];
2253 seekNrList[i] = seekNrList[nrOfSeekAds];
2254 ratingList[i] = ratingList[nrOfSeekAds];
2255 colorList[i] = colorList[nrOfSeekAds];
2256 tcList[i] = tcList[nrOfSeekAds];
2257 xList[i] = xList[nrOfSeekAds];
2258 yList[i] = yList[nrOfSeekAds];
2259 zList[i] = zList[nrOfSeekAds];
2260 seekAdList[nrOfSeekAds] = NULL;
2266 MatchSoughtLine(char *line)
2268 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2269 int nr, base, inc, u=0; char dummy;
2271 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2272 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2274 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2275 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2276 // match: compact and save the line
2277 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2287 if(!seekGraphUp) return FALSE;
2288 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2289 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2291 DrawSeekBackground(0, 0, w, h);
2292 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2293 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2294 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2295 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2297 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2300 snprintf(buf, MSG_SIZ, "%d", i);
2301 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2304 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2305 for(i=1; i<100; i+=(i<10?1:5)) {
2306 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2307 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2308 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2310 snprintf(buf, MSG_SIZ, "%d", i);
2311 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2314 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2318 int SeekGraphClick(ClickType click, int x, int y, int moving)
2320 static int lastDown = 0, displayed = 0, lastSecond;
2321 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2322 if(click == Release || moving) return FALSE;
2324 soughtPending = TRUE;
2325 SendToICS(ics_prefix);
2326 SendToICS("sought\n"); // should this be "sought all"?
2327 } else { // issue challenge based on clicked ad
2328 int dist = 10000; int i, closest = 0, second = 0;
2329 for(i=0; i<nrOfSeekAds; i++) {
2330 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2331 if(d < dist) { dist = d; closest = i; }
2332 second += (d - zList[i] < 120); // count in-range ads
2333 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2337 second = (second > 1);
2338 if(displayed != closest || second != lastSecond) {
2339 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2340 lastSecond = second; displayed = closest;
2342 if(click == Press) {
2343 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2346 } // on press 'hit', only show info
2347 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2348 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2349 SendToICS(ics_prefix);
2351 return TRUE; // let incoming board of started game pop down the graph
2352 } else if(click == Release) { // release 'miss' is ignored
2353 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2354 if(moving == 2) { // right up-click
2355 nrOfSeekAds = 0; // refresh graph
2356 soughtPending = TRUE;
2357 SendToICS(ics_prefix);
2358 SendToICS("sought\n"); // should this be "sought all"?
2361 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2362 // press miss or release hit 'pop down' seek graph
2363 seekGraphUp = FALSE;
2364 DrawPosition(TRUE, NULL);
2370 read_from_ics(isr, closure, data, count, error)
2377 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2378 #define STARTED_NONE 0
2379 #define STARTED_MOVES 1
2380 #define STARTED_BOARD 2
2381 #define STARTED_OBSERVE 3
2382 #define STARTED_HOLDINGS 4
2383 #define STARTED_CHATTER 5
2384 #define STARTED_COMMENT 6
2385 #define STARTED_MOVES_NOHIDE 7
2387 static int started = STARTED_NONE;
2388 static char parse[20000];
2389 static int parse_pos = 0;
2390 static char buf[BUF_SIZE + 1];
2391 static int firstTime = TRUE, intfSet = FALSE;
2392 static ColorClass prevColor = ColorNormal;
2393 static int savingComment = FALSE;
2394 static int cmatch = 0; // continuation sequence match
2401 int backup; /* [DM] For zippy color lines */
2403 char talker[MSG_SIZ]; // [HGM] chat
2406 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2408 if (appData.debugMode) {
2410 fprintf(debugFP, "<ICS: ");
2411 show_bytes(debugFP, data, count);
2412 fprintf(debugFP, "\n");
2416 if (appData.debugMode) { int f = forwardMostMove;
2417 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2418 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2419 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2422 /* If last read ended with a partial line that we couldn't parse,
2423 prepend it to the new read and try again. */
2424 if (leftover_len > 0) {
2425 for (i=0; i<leftover_len; i++)
2426 buf[i] = buf[leftover_start + i];
2429 /* copy new characters into the buffer */
2430 bp = buf + leftover_len;
2431 buf_len=leftover_len;
2432 for (i=0; i<count; i++)
2435 if (data[i] == '\r')
2438 // join lines split by ICS?
2439 if (!appData.noJoin)
2442 Joining just consists of finding matches against the
2443 continuation sequence, and discarding that sequence
2444 if found instead of copying it. So, until a match
2445 fails, there's nothing to do since it might be the
2446 complete sequence, and thus, something we don't want
2449 if (data[i] == cont_seq[cmatch])
2452 if (cmatch == strlen(cont_seq))
2454 cmatch = 0; // complete match. just reset the counter
2457 it's possible for the ICS to not include the space
2458 at the end of the last word, making our [correct]
2459 join operation fuse two separate words. the server
2460 does this when the space occurs at the width setting.
2462 if (!buf_len || buf[buf_len-1] != ' ')
2473 match failed, so we have to copy what matched before
2474 falling through and copying this character. In reality,
2475 this will only ever be just the newline character, but
2476 it doesn't hurt to be precise.
2478 strncpy(bp, cont_seq, cmatch);
2490 buf[buf_len] = NULLCHAR;
2491 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2496 while (i < buf_len) {
2497 /* Deal with part of the TELNET option negotiation
2498 protocol. We refuse to do anything beyond the
2499 defaults, except that we allow the WILL ECHO option,
2500 which ICS uses to turn off password echoing when we are
2501 directly connected to it. We reject this option
2502 if localLineEditing mode is on (always on in xboard)
2503 and we are talking to port 23, which might be a real
2504 telnet server that will try to keep WILL ECHO on permanently.
2506 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2507 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2508 unsigned char option;
2510 switch ((unsigned char) buf[++i]) {
2512 if (appData.debugMode)
2513 fprintf(debugFP, "\n<WILL ");
2514 switch (option = (unsigned char) buf[++i]) {
2516 if (appData.debugMode)
2517 fprintf(debugFP, "ECHO ");
2518 /* Reply only if this is a change, according
2519 to the protocol rules. */
2520 if (remoteEchoOption) break;
2521 if (appData.localLineEditing &&
2522 atoi(appData.icsPort) == TN_PORT) {
2523 TelnetRequest(TN_DONT, TN_ECHO);
2526 TelnetRequest(TN_DO, TN_ECHO);
2527 remoteEchoOption = TRUE;
2531 if (appData.debugMode)
2532 fprintf(debugFP, "%d ", option);
2533 /* Whatever this is, we don't want it. */
2534 TelnetRequest(TN_DONT, option);
2539 if (appData.debugMode)
2540 fprintf(debugFP, "\n<WONT ");
2541 switch (option = (unsigned char) buf[++i]) {
2543 if (appData.debugMode)
2544 fprintf(debugFP, "ECHO ");
2545 /* Reply only if this is a change, according
2546 to the protocol rules. */
2547 if (!remoteEchoOption) break;
2549 TelnetRequest(TN_DONT, TN_ECHO);
2550 remoteEchoOption = FALSE;
2553 if (appData.debugMode)
2554 fprintf(debugFP, "%d ", (unsigned char) option);
2555 /* Whatever this is, it must already be turned
2556 off, because we never agree to turn on
2557 anything non-default, so according to the
2558 protocol rules, we don't reply. */
2563 if (appData.debugMode)
2564 fprintf(debugFP, "\n<DO ");
2565 switch (option = (unsigned char) buf[++i]) {
2567 /* Whatever this is, we refuse to do it. */
2568 if (appData.debugMode)
2569 fprintf(debugFP, "%d ", option);
2570 TelnetRequest(TN_WONT, option);
2575 if (appData.debugMode)
2576 fprintf(debugFP, "\n<DONT ");
2577 switch (option = (unsigned char) buf[++i]) {
2579 if (appData.debugMode)
2580 fprintf(debugFP, "%d ", option);
2581 /* Whatever this is, we are already not doing
2582 it, because we never agree to do anything
2583 non-default, so according to the protocol
2584 rules, we don't reply. */
2589 if (appData.debugMode)
2590 fprintf(debugFP, "\n<IAC ");
2591 /* Doubled IAC; pass it through */
2595 if (appData.debugMode)
2596 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2597 /* Drop all other telnet commands on the floor */
2600 if (oldi > next_out)
2601 SendToPlayer(&buf[next_out], oldi - next_out);
2607 /* OK, this at least will *usually* work */
2608 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2612 if (loggedOn && !intfSet) {
2613 if (ics_type == ICS_ICC) {
2614 snprintf(str, MSG_SIZ,
2615 "/set-quietly interface %s\n/set-quietly style 12\n",
2617 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2618 strcat(str, "/set-2 51 1\n/set seek 1\n");
2619 } else if (ics_type == ICS_CHESSNET) {
2620 snprintf(str, MSG_SIZ, "/style 12\n");
2622 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2623 strcat(str, programVersion);
2624 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2625 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2626 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2628 strcat(str, "$iset nohighlight 1\n");
2630 strcat(str, "$iset lock 1\n$style 12\n");
2633 NotifyFrontendLogin();
2637 if (started == STARTED_COMMENT) {
2638 /* Accumulate characters in comment */
2639 parse[parse_pos++] = buf[i];
2640 if (buf[i] == '\n') {
2641 parse[parse_pos] = NULLCHAR;
2642 if(chattingPartner>=0) {
2644 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2645 OutputChatMessage(chattingPartner, mess);
2646 chattingPartner = -1;
2647 next_out = i+1; // [HGM] suppress printing in ICS window
2649 if(!suppressKibitz) // [HGM] kibitz
2650 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2651 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2652 int nrDigit = 0, nrAlph = 0, j;
2653 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2654 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2655 parse[parse_pos] = NULLCHAR;
2656 // try to be smart: if it does not look like search info, it should go to
2657 // ICS interaction window after all, not to engine-output window.
2658 for(j=0; j<parse_pos; j++) { // count letters and digits
2659 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2660 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2661 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2663 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2664 int depth=0; float score;
2665 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2666 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2667 pvInfoList[forwardMostMove-1].depth = depth;
2668 pvInfoList[forwardMostMove-1].score = 100*score;
2670 OutputKibitz(suppressKibitz, parse);
2673 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2674 SendToPlayer(tmp, strlen(tmp));
2676 next_out = i+1; // [HGM] suppress printing in ICS window
2678 started = STARTED_NONE;
2680 /* Don't match patterns against characters in comment */
2685 if (started == STARTED_CHATTER) {
2686 if (buf[i] != '\n') {
2687 /* Don't match patterns against characters in chatter */
2691 started = STARTED_NONE;
2692 if(suppressKibitz) next_out = i+1;
2695 /* Kludge to deal with rcmd protocol */
2696 if (firstTime && looking_at(buf, &i, "\001*")) {
2697 DisplayFatalError(&buf[1], 0, 1);
2703 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2706 if (appData.debugMode)
2707 fprintf(debugFP, "ics_type %d\n", ics_type);
2710 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2711 ics_type = ICS_FICS;
2713 if (appData.debugMode)
2714 fprintf(debugFP, "ics_type %d\n", ics_type);
2717 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2718 ics_type = ICS_CHESSNET;
2720 if (appData.debugMode)
2721 fprintf(debugFP, "ics_type %d\n", ics_type);
2726 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2727 looking_at(buf, &i, "Logging you in as \"*\"") ||
2728 looking_at(buf, &i, "will be \"*\""))) {
2729 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
2733 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2735 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2736 DisplayIcsInteractionTitle(buf);
2737 have_set_title = TRUE;
2740 /* skip finger notes */
2741 if (started == STARTED_NONE &&
2742 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2743 (buf[i] == '1' && buf[i+1] == '0')) &&
2744 buf[i+2] == ':' && buf[i+3] == ' ') {
2745 started = STARTED_CHATTER;
2751 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2752 if(appData.seekGraph) {
2753 if(soughtPending && MatchSoughtLine(buf+i)) {
2754 i = strstr(buf+i, "rated") - buf;
2755 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2756 next_out = leftover_start = i;
2757 started = STARTED_CHATTER;
2758 suppressKibitz = TRUE;
2761 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2762 && looking_at(buf, &i, "* ads displayed")) {
2763 soughtPending = FALSE;
2768 if(appData.autoRefresh) {
2769 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2770 int s = (ics_type == ICS_ICC); // ICC format differs
2772 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2773 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2774 looking_at(buf, &i, "*% "); // eat prompt
2775 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
2776 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2777 next_out = i; // suppress
2780 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2781 char *p = star_match[0];
2783 if(seekGraphUp) RemoveSeekAd(atoi(p));
2784 while(*p && *p++ != ' '); // next
2786 looking_at(buf, &i, "*% "); // eat prompt
2787 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2794 /* skip formula vars */
2795 if (started == STARTED_NONE &&
2796 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2797 started = STARTED_CHATTER;
2802 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2803 if (appData.autoKibitz && started == STARTED_NONE &&
2804 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2805 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2806 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
2807 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2808 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2809 suppressKibitz = TRUE;
2810 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2812 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2813 && (gameMode == IcsPlayingWhite)) ||
2814 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2815 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2816 started = STARTED_CHATTER; // own kibitz we simply discard
2818 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2819 parse_pos = 0; parse[0] = NULLCHAR;
2820 savingComment = TRUE;
2821 suppressKibitz = gameMode != IcsObserving ? 2 :
2822 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2826 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
2827 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
2828 && atoi(star_match[0])) {
2829 // suppress the acknowledgements of our own autoKibitz
2831 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2832 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2833 SendToPlayer(star_match[0], strlen(star_match[0]));
2834 if(looking_at(buf, &i, "*% ")) // eat prompt
2835 suppressKibitz = FALSE;
2839 } // [HGM] kibitz: end of patch
2841 // [HGM] chat: intercept tells by users for which we have an open chat window
2843 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2844 looking_at(buf, &i, "* whispers:") ||
2845 looking_at(buf, &i, "* kibitzes:") ||
2846 looking_at(buf, &i, "* shouts:") ||
2847 looking_at(buf, &i, "* c-shouts:") ||
2848 looking_at(buf, &i, "--> * ") ||
2849 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2850 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2851 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2852 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2854 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2855 chattingPartner = -1;
2857 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2858 for(p=0; p<MAX_CHAT; p++) {
2859 if(channel == atoi(chatPartner[p])) {
2860 talker[0] = '['; strcat(talker, "] ");
2861 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
2862 chattingPartner = p; break;
2865 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
2866 for(p=0; p<MAX_CHAT; p++) {
2867 if(!strcmp("kibitzes", chatPartner[p])) {
2868 talker[0] = '['; strcat(talker, "] ");
2869 chattingPartner = p; break;
2872 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2873 for(p=0; p<MAX_CHAT; p++) {
2874 if(!strcmp("whispers", chatPartner[p])) {
2875 talker[0] = '['; strcat(talker, "] ");
2876 chattingPartner = p; break;
2879 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
2880 if(buf[i-8] == '-' && buf[i-3] == 't')
2881 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
2882 if(!strcmp("c-shouts", chatPartner[p])) {
2883 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
2884 chattingPartner = p; break;
2887 if(chattingPartner < 0)
2888 for(p=0; p<MAX_CHAT; p++) {
2889 if(!strcmp("shouts", chatPartner[p])) {
2890 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
2891 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
2892 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
2893 chattingPartner = p; break;
2897 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2898 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2899 talker[0] = 0; Colorize(ColorTell, FALSE);
2900 chattingPartner = p; break;
2902 if(chattingPartner<0) i = oldi; else {
2903 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
2904 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2905 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2906 started = STARTED_COMMENT;
2907 parse_pos = 0; parse[0] = NULLCHAR;
2908 savingComment = 3 + chattingPartner; // counts as TRUE
2909 suppressKibitz = TRUE;
2912 } // [HGM] chat: end of patch
2914 if (appData.zippyTalk || appData.zippyPlay) {
2915 /* [DM] Backup address for color zippy lines */
2918 if (loggedOn == TRUE)
2919 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2920 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2922 } // [DM] 'else { ' deleted
2924 /* Regular tells and says */
2925 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2926 looking_at(buf, &i, "* (your partner) tells you: ") ||
2927 looking_at(buf, &i, "* says: ") ||
2928 /* Don't color "message" or "messages" output */
2929 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2930 looking_at(buf, &i, "*. * at *:*: ") ||
2931 looking_at(buf, &i, "--* (*:*): ") ||
2932 /* Message notifications (same color as tells) */
2933 looking_at(buf, &i, "* has left a message ") ||
2934 looking_at(buf, &i, "* just sent you a message:\n") ||
2935 /* Whispers and kibitzes */
2936 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2937 looking_at(buf, &i, "* kibitzes: ") ||
2939 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2941 if (tkind == 1 && strchr(star_match[0], ':')) {
2942 /* Avoid "tells you:" spoofs in channels */
2945 if (star_match[0][0] == NULLCHAR ||
2946 strchr(star_match[0], ' ') ||
2947 (tkind == 3 && strchr(star_match[1], ' '))) {
2948 /* Reject bogus matches */
2951 if (appData.colorize) {
2952 if (oldi > next_out) {
2953 SendToPlayer(&buf[next_out], oldi - next_out);
2958 Colorize(ColorTell, FALSE);
2959 curColor = ColorTell;
2962 Colorize(ColorKibitz, FALSE);
2963 curColor = ColorKibitz;
2966 p = strrchr(star_match[1], '(');
2973 Colorize(ColorChannel1, FALSE);
2974 curColor = ColorChannel1;
2976 Colorize(ColorChannel, FALSE);
2977 curColor = ColorChannel;
2981 curColor = ColorNormal;
2985 if (started == STARTED_NONE && appData.autoComment &&
2986 (gameMode == IcsObserving ||
2987 gameMode == IcsPlayingWhite ||
2988 gameMode == IcsPlayingBlack)) {
2989 parse_pos = i - oldi;
2990 memcpy(parse, &buf[oldi], parse_pos);
2991 parse[parse_pos] = NULLCHAR;
2992 started = STARTED_COMMENT;
2993 savingComment = TRUE;
2995 started = STARTED_CHATTER;
2996 savingComment = FALSE;
3003 if (looking_at(buf, &i, "* s-shouts: ") ||
3004 looking_at(buf, &i, "* c-shouts: ")) {
3005 if (appData.colorize) {
3006 if (oldi > next_out) {
3007 SendToPlayer(&buf[next_out], oldi - next_out);
3010 Colorize(ColorSShout, FALSE);
3011 curColor = ColorSShout;
3014 started = STARTED_CHATTER;
3018 if (looking_at(buf, &i, "--->")) {
3023 if (looking_at(buf, &i, "* shouts: ") ||
3024 looking_at(buf, &i, "--> ")) {
3025 if (appData.colorize) {
3026 if (oldi > next_out) {
3027 SendToPlayer(&buf[next_out], oldi - next_out);
3030 Colorize(ColorShout, FALSE);
3031 curColor = ColorShout;
3034 started = STARTED_CHATTER;
3038 if (looking_at( buf, &i, "Challenge:")) {
3039 if (appData.colorize) {
3040 if (oldi > next_out) {
3041 SendToPlayer(&buf[next_out], oldi - next_out);
3044 Colorize(ColorChallenge, FALSE);
3045 curColor = ColorChallenge;
3051 if (looking_at(buf, &i, "* offers you") ||
3052 looking_at(buf, &i, "* offers to be") ||
3053 looking_at(buf, &i, "* would like to") ||
3054 looking_at(buf, &i, "* requests to") ||
3055 looking_at(buf, &i, "Your opponent offers") ||
3056 looking_at(buf, &i, "Your opponent requests")) {
3058 if (appData.colorize) {
3059 if (oldi > next_out) {
3060 SendToPlayer(&buf[next_out], oldi - next_out);
3063 Colorize(ColorRequest, FALSE);
3064 curColor = ColorRequest;
3069 if (looking_at(buf, &i, "* (*) seeking")) {
3070 if (appData.colorize) {
3071 if (oldi > next_out) {
3072 SendToPlayer(&buf[next_out], oldi - next_out);
3075 Colorize(ColorSeek, FALSE);
3076 curColor = ColorSeek;
3081 if (looking_at(buf, &i, "\\ ")) {
3082 if (prevColor != ColorNormal) {
3083 if (oldi > next_out) {
3084 SendToPlayer(&buf[next_out], oldi - next_out);
3087 Colorize(prevColor, TRUE);
3088 curColor = prevColor;
3090 if (savingComment) {
3091 parse_pos = i - oldi;
3092 memcpy(parse, &buf[oldi], parse_pos);
3093 parse[parse_pos] = NULLCHAR;
3094 started = STARTED_COMMENT;
3095 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3096 chattingPartner = savingComment - 3; // kludge to remember the box
3098 started = STARTED_CHATTER;
3103 if (looking_at(buf, &i, "Black Strength :") ||
3104 looking_at(buf, &i, "<<< style 10 board >>>") ||
3105 looking_at(buf, &i, "<10>") ||
3106 looking_at(buf, &i, "#@#")) {
3107 /* Wrong board style */
3109 SendToICS(ics_prefix);
3110 SendToICS("set style 12\n");
3111 SendToICS(ics_prefix);
3112 SendToICS("refresh\n");
3116 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3118 have_sent_ICS_logon = 1;
3119 sending_ICS_password = 0; // in case we come back to login
3120 sending_ICS_login = 1;
3123 /* need to shadow the password */
3124 if (!sending_ICS_password && looking_at(buf, &i, "password:")) {
3125 sending_ICS_password = 1;
3129 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3130 (looking_at(buf, &i, "\n<12> ") ||
3131 looking_at(buf, &i, "<12> "))) {
3133 if (oldi > next_out) {
3134 SendToPlayer(&buf[next_out], oldi - next_out);
3137 started = STARTED_BOARD;
3142 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3143 looking_at(buf, &i, "<b1> ")) {
3144 if (oldi > next_out) {
3145 SendToPlayer(&buf[next_out], oldi - next_out);
3148 started = STARTED_HOLDINGS;
3153 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3155 /* Header for a move list -- first line */
3157 switch (ics_getting_history) {
3161 case BeginningOfGame:
3162 /* User typed "moves" or "oldmoves" while we
3163 were idle. Pretend we asked for these
3164 moves and soak them up so user can step
3165 through them and/or save them.
3168 gameMode = IcsObserving;
3171 ics_getting_history = H_GOT_UNREQ_HEADER;
3173 case EditGame: /*?*/
3174 case EditPosition: /*?*/
3175 /* Should above feature work in these modes too? */
3176 /* For now it doesn't */
3177 ics_getting_history = H_GOT_UNWANTED_HEADER;
3180 ics_getting_history = H_GOT_UNWANTED_HEADER;
3185 /* Is this the right one? */
3186 if (gameInfo.white && gameInfo.black &&
3187 strcmp(gameInfo.white, star_match[0]) == 0 &&
3188 strcmp(gameInfo.black, star_match[2]) == 0) {
3190 ics_getting_history = H_GOT_REQ_HEADER;
3193 case H_GOT_REQ_HEADER:
3194 case H_GOT_UNREQ_HEADER:
3195 case H_GOT_UNWANTED_HEADER:
3196 case H_GETTING_MOVES:
3197 /* Should not happen */
3198 DisplayError(_("Error gathering move list: two headers"), 0);
3199 ics_getting_history = H_FALSE;
3203 /* Save player ratings into gameInfo if needed */
3204 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3205 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3206 (gameInfo.whiteRating == -1 ||
3207 gameInfo.blackRating == -1)) {
3209 gameInfo.whiteRating = string_to_rating(star_match[1]);
3210 gameInfo.blackRating = string_to_rating(star_match[3]);
3211 if (appData.debugMode)
3212 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3213 gameInfo.whiteRating, gameInfo.blackRating);
3218 if (looking_at(buf, &i,
3219 "* * match, initial time: * minute*, increment: * second")) {
3220 /* Header for a move list -- second line */
3221 /* Initial board will follow if this is a wild game */
3222 if (gameInfo.event != NULL) free(gameInfo.event);
3223 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3224 gameInfo.event = StrSave(str);
3225 /* [HGM] we switched variant. Translate boards if needed. */
3226 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3230 if (looking_at(buf, &i, "Move ")) {
3231 /* Beginning of a move list */
3232 switch (ics_getting_history) {
3234 /* Normally should not happen */
3235 /* Maybe user hit reset while we were parsing */
3238 /* Happens if we are ignoring a move list that is not
3239 * the one we just requested. Common if the user
3240 * tries to observe two games without turning off
3243 case H_GETTING_MOVES:
3244 /* Should not happen */
3245 DisplayError(_("Error gathering move list: nested"), 0);
3246 ics_getting_history = H_FALSE;
3248 case H_GOT_REQ_HEADER:
3249 ics_getting_history = H_GETTING_MOVES;
3250 started = STARTED_MOVES;
3252 if (oldi > next_out) {
3253 SendToPlayer(&buf[next_out], oldi - next_out);
3256 case H_GOT_UNREQ_HEADER:
3257 ics_getting_history = H_GETTING_MOVES;
3258 started = STARTED_MOVES_NOHIDE;
3261 case H_GOT_UNWANTED_HEADER:
3262 ics_getting_history = H_FALSE;
3268 if (looking_at(buf, &i, "% ") ||
3269 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3270 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3271 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3272 soughtPending = FALSE;
3276 if(suppressKibitz) next_out = i;
3277 savingComment = FALSE;
3281 case STARTED_MOVES_NOHIDE:
3282 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3283 parse[parse_pos + i - oldi] = NULLCHAR;
3284 ParseGameHistory(parse);
3286 if (appData.zippyPlay && first.initDone) {
3287 FeedMovesToProgram(&first, forwardMostMove);
3288 if (gameMode == IcsPlayingWhite) {
3289 if (WhiteOnMove(forwardMostMove)) {
3290 if (first.sendTime) {
3291 if (first.useColors) {
3292 SendToProgram("black\n", &first);
3294 SendTimeRemaining(&first, TRUE);
3296 if (first.useColors) {
3297 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3299 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3300 first.maybeThinking = TRUE;
3302 if (first.usePlayother) {
3303 if (first.sendTime) {
3304 SendTimeRemaining(&first, TRUE);
3306 SendToProgram("playother\n", &first);
3312 } else if (gameMode == IcsPlayingBlack) {
3313 if (!WhiteOnMove(forwardMostMove)) {
3314 if (first.sendTime) {
3315 if (first.useColors) {
3316 SendToProgram("white\n", &first);
3318 SendTimeRemaining(&first, FALSE);
3320 if (first.useColors) {
3321 SendToProgram("black\n", &first);
3323 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3324 first.maybeThinking = TRUE;
3326 if (first.usePlayother) {
3327 if (first.sendTime) {
3328 SendTimeRemaining(&first, FALSE);
3330 SendToProgram("playother\n", &first);
3339 if (gameMode == IcsObserving && ics_gamenum == -1) {
3340 /* Moves came from oldmoves or moves command
3341 while we weren't doing anything else.
3343 currentMove = forwardMostMove;
3344 ClearHighlights();/*!!could figure this out*/
3345 flipView = appData.flipView;
3346 DrawPosition(TRUE, boards[currentMove]);
3347 DisplayBothClocks();
3348 snprintf(str, MSG_SIZ, "%s vs. %s",
3349 gameInfo.white, gameInfo.black);
3353 /* Moves were history of an active game */
3354 if (gameInfo.resultDetails != NULL) {
3355 free(gameInfo.resultDetails);
3356 gameInfo.resultDetails = NULL;
3359 HistorySet(parseList, backwardMostMove,
3360 forwardMostMove, currentMove-1);
3361 DisplayMove(currentMove - 1);
3362 if (started == STARTED_MOVES) next_out = i;
3363 started = STARTED_NONE;
3364 ics_getting_history = H_FALSE;
3367 case STARTED_OBSERVE:
3368 started = STARTED_NONE;
3369 SendToICS(ics_prefix);
3370 SendToICS("refresh\n");
3376 if(bookHit) { // [HGM] book: simulate book reply
3377 static char bookMove[MSG_SIZ]; // a bit generous?
3379 programStats.nodes = programStats.depth = programStats.time =
3380 programStats.score = programStats.got_only_move = 0;
3381 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3383 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3384 strcat(bookMove, bookHit);
3385 HandleMachineMove(bookMove, &first);
3390 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3391 started == STARTED_HOLDINGS ||
3392 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3393 /* Accumulate characters in move list or board */
3394 parse[parse_pos++] = buf[i];
3397 /* Start of game messages. Mostly we detect start of game
3398 when the first board image arrives. On some versions
3399 of the ICS, though, we need to do a "refresh" after starting
3400 to observe in order to get the current board right away. */
3401 if (looking_at(buf, &i, "Adding game * to observation list")) {
3402 started = STARTED_OBSERVE;
3406 /* Handle auto-observe */
3407 if (appData.autoObserve &&
3408 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3409 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3411 /* Choose the player that was highlighted, if any. */
3412 if (star_match[0][0] == '\033' ||
3413 star_match[1][0] != '\033') {
3414 player = star_match[0];
3416 player = star_match[2];
3418 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3419 ics_prefix, StripHighlightAndTitle(player));
3422 /* Save ratings from notify string */
3423 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3424 player1Rating = string_to_rating(star_match[1]);
3425 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3426 player2Rating = string_to_rating(star_match[3]);
3428 if (appData.debugMode)
3430 "Ratings from 'Game notification:' %s %d, %s %d\n",
3431 player1Name, player1Rating,
3432 player2Name, player2Rating);
3437 /* Deal with automatic examine mode after a game,
3438 and with IcsObserving -> IcsExamining transition */
3439 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3440 looking_at(buf, &i, "has made you an examiner of game *")) {
3442 int gamenum = atoi(star_match[0]);
3443 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3444 gamenum == ics_gamenum) {
3445 /* We were already playing or observing this game;
3446 no need to refetch history */
3447 gameMode = IcsExamining;
3449 pauseExamForwardMostMove = forwardMostMove;
3450 } else if (currentMove < forwardMostMove) {
3451 ForwardInner(forwardMostMove);
3454 /* I don't think this case really can happen */
3455 SendToICS(ics_prefix);
3456 SendToICS("refresh\n");
3461 /* Error messages */
3462 // if (ics_user_moved) {
3463 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3464 if (looking_at(buf, &i, "Illegal move") ||
3465 looking_at(buf, &i, "Not a legal move") ||
3466 looking_at(buf, &i, "Your king is in check") ||
3467 looking_at(buf, &i, "It isn't your turn") ||
3468 looking_at(buf, &i, "It is not your move")) {
3470 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3471 currentMove = forwardMostMove-1;
3472 DisplayMove(currentMove - 1); /* before DMError */
3473 DrawPosition(FALSE, boards[currentMove]);
3474 SwitchClocks(forwardMostMove-1); // [HGM] race
3475 DisplayBothClocks();
3477 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3483 if (looking_at(buf, &i, "still have time") ||
3484 looking_at(buf, &i, "not out of time") ||
3485 looking_at(buf, &i, "either player is out of time") ||
3486 looking_at(buf, &i, "has timeseal; checking")) {
3487 /* We must have called his flag a little too soon */
3488 whiteFlag = blackFlag = FALSE;
3492 if (looking_at(buf, &i, "added * seconds to") ||
3493 looking_at(buf, &i, "seconds were added to")) {
3494 /* Update the clocks */
3495 SendToICS(ics_prefix);
3496 SendToICS("refresh\n");
3500 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3501 ics_clock_paused = TRUE;
3506 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3507 ics_clock_paused = FALSE;
3512 /* Grab player ratings from the Creating: message.
3513 Note we have to check for the special case when
3514 the ICS inserts things like [white] or [black]. */
3515 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3516 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3518 0 player 1 name (not necessarily white)
3520 2 empty, white, or black (IGNORED)
3521 3 player 2 name (not necessarily black)
3524 The names/ratings are sorted out when the game
3525 actually starts (below).
3527 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3528 player1Rating = string_to_rating(star_match[1]);
3529 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3530 player2Rating = string_to_rating(star_match[4]);
3532 if (appData.debugMode)
3534 "Ratings from 'Creating:' %s %d, %s %d\n",
3535 player1Name, player1Rating,
3536 player2Name, player2Rating);
3541 /* Improved generic start/end-of-game messages */
3542 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3543 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3544 /* If tkind == 0: */
3545 /* star_match[0] is the game number */
3546 /* [1] is the white player's name */
3547 /* [2] is the black player's name */
3548 /* For end-of-game: */
3549 /* [3] is the reason for the game end */
3550 /* [4] is a PGN end game-token, preceded by " " */
3551 /* For start-of-game: */
3552 /* [3] begins with "Creating" or "Continuing" */
3553 /* [4] is " *" or empty (don't care). */
3554 int gamenum = atoi(star_match[0]);
3555 char *whitename, *blackname, *why, *endtoken;
3556 ChessMove endtype = EndOfFile;
3559 whitename = star_match[1];
3560 blackname = star_match[2];
3561 why = star_match[3];
3562 endtoken = star_match[4];
3564 whitename = star_match[1];
3565 blackname = star_match[3];
3566 why = star_match[5];
3567 endtoken = star_match[6];
3570 /* Game start messages */
3571 if (strncmp(why, "Creating ", 9) == 0 ||
3572 strncmp(why, "Continuing ", 11) == 0) {
3573 gs_gamenum = gamenum;
3574 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3575 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3577 if (appData.zippyPlay) {
3578 ZippyGameStart(whitename, blackname);
3581 partnerBoardValid = FALSE; // [HGM] bughouse
3585 /* Game end messages */
3586 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3587 ics_gamenum != gamenum) {
3590 while (endtoken[0] == ' ') endtoken++;
3591 switch (endtoken[0]) {
3594 endtype = GameUnfinished;
3597 endtype = BlackWins;
3600 if (endtoken[1] == '/')
3601 endtype = GameIsDrawn;
3603 endtype = WhiteWins;
3606 GameEnds(endtype, why, GE_ICS);
3608 if (appData.zippyPlay && first.initDone) {
3609 ZippyGameEnd(endtype, why);
3610 if (first.pr == NULL) {
3611 /* Start the next process early so that we'll
3612 be ready for the next challenge */
3613 StartChessProgram(&first);
3615 /* Send "new" early, in case this command takes
3616 a long time to finish, so that we'll be ready
3617 for the next challenge. */
3618 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3622 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3626 if (looking_at(buf, &i, "Removing game * from observation") ||
3627 looking_at(buf, &i, "no longer observing game *") ||
3628 looking_at(buf, &i, "Game * (*) has no examiners")) {
3629 if (gameMode == IcsObserving &&
3630 atoi(star_match[0]) == ics_gamenum)
3632 /* icsEngineAnalyze */
3633 if (appData.icsEngineAnalyze) {
3640 ics_user_moved = FALSE;
3645 if (looking_at(buf, &i, "no longer examining game *")) {
3646 if (gameMode == IcsExamining &&
3647 atoi(star_match[0]) == ics_gamenum)
3651 ics_user_moved = FALSE;
3656 /* Advance leftover_start past any newlines we find,
3657 so only partial lines can get reparsed */
3658 if (looking_at(buf, &i, "\n")) {
3659 prevColor = curColor;
3660 if (curColor != ColorNormal) {
3661 if (oldi > next_out) {
3662 SendToPlayer(&buf[next_out], oldi - next_out);
3665 Colorize(ColorNormal, FALSE);
3666 curColor = ColorNormal;
3668 if (started == STARTED_BOARD) {
3669 started = STARTED_NONE;
3670 parse[parse_pos] = NULLCHAR;
3671 ParseBoard12(parse);
3674 /* Send premove here */
3675 if (appData.premove) {
3677 if (currentMove == 0 &&
3678 gameMode == IcsPlayingWhite &&
3679 appData.premoveWhite) {
3680 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3681 if (appData.debugMode)
3682 fprintf(debugFP, "Sending premove:\n");
3684 } else if (currentMove == 1 &&
3685 gameMode == IcsPlayingBlack &&
3686 appData.premoveBlack) {
3687 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3688 if (appData.debugMode)
3689 fprintf(debugFP, "Sending premove:\n");
3691 } else if (gotPremove) {
3693 ClearPremoveHighlights();
3694 if (appData.debugMode)
3695 fprintf(debugFP, "Sending premove:\n");
3696 UserMoveEvent(premoveFromX, premoveFromY,
3697 premoveToX, premoveToY,
3702 /* Usually suppress following prompt */
3703 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3704 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3705 if (looking_at(buf, &i, "*% ")) {
3706 savingComment = FALSE;
3711 } else if (started == STARTED_HOLDINGS) {
3713 char new_piece[MSG_SIZ];
3714 started = STARTED_NONE;
3715 parse[parse_pos] = NULLCHAR;
3716 if (appData.debugMode)
3717 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3718 parse, currentMove);
3719 if (sscanf(parse, " game %d", &gamenum) == 1) {
3720 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3721 if (gameInfo.variant == VariantNormal) {
3722 /* [HGM] We seem to switch variant during a game!
3723 * Presumably no holdings were displayed, so we have
3724 * to move the position two files to the right to
3725 * create room for them!
3727 VariantClass newVariant;
3728 switch(gameInfo.boardWidth) { // base guess on board width
3729 case 9: newVariant = VariantShogi; break;
3730 case 10: newVariant = VariantGreat; break;
3731 default: newVariant = VariantCrazyhouse; break;
3733 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3734 /* Get a move list just to see the header, which
3735 will tell us whether this is really bug or zh */
3736 if (ics_getting_history == H_FALSE) {
3737 ics_getting_history = H_REQUESTED;
3738 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
3742 new_piece[0] = NULLCHAR;
3743 sscanf(parse, "game %d white [%s black [%s <- %s",
3744 &gamenum, white_holding, black_holding,
3746 white_holding[strlen(white_holding)-1] = NULLCHAR;
3747 black_holding[strlen(black_holding)-1] = NULLCHAR;
3748 /* [HGM] copy holdings to board holdings area */
3749 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3750 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3751 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3753 if (appData.zippyPlay && first.initDone) {
3754 ZippyHoldings(white_holding, black_holding,
3758 if (tinyLayout || smallLayout) {
3759 char wh[16], bh[16];
3760 PackHolding(wh, white_holding);
3761 PackHolding(bh, black_holding);
3762 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
3763 gameInfo.white, gameInfo.black);
3765 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
3766 gameInfo.white, white_holding,
3767 gameInfo.black, black_holding);
3769 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
3770 DrawPosition(FALSE, boards[currentMove]);
3772 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
3773 sscanf(parse, "game %d white [%s black [%s <- %s",
3774 &gamenum, white_holding, black_holding,
3776 white_holding[strlen(white_holding)-1] = NULLCHAR;
3777 black_holding[strlen(black_holding)-1] = NULLCHAR;
3778 /* [HGM] copy holdings to partner-board holdings area */
3779 CopyHoldings(partnerBoard, white_holding, WhitePawn);
3780 CopyHoldings(partnerBoard, black_holding, BlackPawn);
3781 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
3782 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3783 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
3786 /* Suppress following prompt */
3787 if (looking_at(buf, &i, "*% ")) {
3788 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3789 savingComment = FALSE;
3797 i++; /* skip unparsed character and loop back */
3800 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3801 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3802 // SendToPlayer(&buf[next_out], i - next_out);
3803 started != STARTED_HOLDINGS && leftover_start > next_out) {
3804 SendToPlayer(&buf[next_out], leftover_start - next_out);
3808 leftover_len = buf_len - leftover_start;
3809 /* if buffer ends with something we couldn't parse,
3810 reparse it after appending the next read */
3812 } else if (count == 0) {
3813 RemoveInputSource(isr);
3814 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3816 DisplayFatalError(_("Error reading from ICS"), error, 1);
3821 /* Board style 12 looks like this:
3823 <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
3825 * The "<12> " is stripped before it gets to this routine. The two
3826 * trailing 0's (flip state and clock ticking) are later addition, and
3827 * some chess servers may not have them, or may have only the first.
3828 * Additional trailing fields may be added in the future.
3831 #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"
3833 #define RELATION_OBSERVING_PLAYED 0
3834 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3835 #define RELATION_PLAYING_MYMOVE 1
3836 #define RELATION_PLAYING_NOTMYMOVE -1
3837 #define RELATION_EXAMINING 2
3838 #define RELATION_ISOLATED_BOARD -3
3839 #define RELATION_STARTING_POSITION -4 /* FICS only */
3842 ParseBoard12(string)
3845 GameMode newGameMode;
3846 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3847 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3848 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3849 char to_play, board_chars[200];
3850 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
3851 char black[32], white[32];
3853 int prevMove = currentMove;
3856 int fromX, fromY, toX, toY;
3858 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3859 char *bookHit = NULL; // [HGM] book
3860 Boolean weird = FALSE, reqFlag = FALSE;
3862 fromX = fromY = toX = toY = -1;
3866 if (appData.debugMode)
3867 fprintf(debugFP, _("Parsing board: %s\n"), string);
3869 move_str[0] = NULLCHAR;
3870 elapsed_time[0] = NULLCHAR;
3871 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3873 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3874 if(string[i] == ' ') { ranks++; files = 0; }
3876 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3879 for(j = 0; j <i; j++) board_chars[j] = string[j];
3880 board_chars[i] = '\0';
3883 n = sscanf(string, PATTERN, &to_play, &double_push,
3884 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3885 &gamenum, white, black, &relation, &basetime, &increment,
3886 &white_stren, &black_stren, &white_time, &black_time,
3887 &moveNum, str, elapsed_time, move_str, &ics_flip,
3891 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
3892 DisplayError(str, 0);
3896 /* Convert the move number to internal form */
3897 moveNum = (moveNum - 1) * 2;
3898 if (to_play == 'B') moveNum++;
3899 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3900 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3906 case RELATION_OBSERVING_PLAYED:
3907 case RELATION_OBSERVING_STATIC:
3908 if (gamenum == -1) {
3909 /* Old ICC buglet */
3910 relation = RELATION_OBSERVING_STATIC;
3912 newGameMode = IcsObserving;
3914 case RELATION_PLAYING_MYMOVE:
3915 case RELATION_PLAYING_NOTMYMOVE:
3917 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3918 IcsPlayingWhite : IcsPlayingBlack;
3920 case RELATION_EXAMINING:
3921 newGameMode = IcsExamining;
3923 case RELATION_ISOLATED_BOARD:
3925 /* Just display this board. If user was doing something else,
3926 we will forget about it until the next board comes. */
3927 newGameMode = IcsIdle;
3929 case RELATION_STARTING_POSITION:
3930 newGameMode = gameMode;
3934 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3935 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
3936 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3938 for (k = 0; k < ranks; k++) {
3939 for (j = 0; j < files; j++)
3940 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3941 if(gameInfo.holdingsWidth > 1) {
3942 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3943 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3946 CopyBoard(partnerBoard, board);
3947 if(toSqr = strchr(str, '/')) { // extract highlights from long move
3948 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
3949 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
3950 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
3951 if(toSqr = strchr(str, '-')) {
3952 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
3953 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
3954 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
3955 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
3956 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
3957 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3958 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
3959 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3960 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3961 DisplayMessage(partnerStatus, "");
3962 partnerBoardValid = TRUE;
3966 /* Modify behavior for initial board display on move listing
3969 switch (ics_getting_history) {
3973 case H_GOT_REQ_HEADER:
3974 case H_GOT_UNREQ_HEADER:
3975 /* This is the initial position of the current game */
3976 gamenum = ics_gamenum;
3977 moveNum = 0; /* old ICS bug workaround */
3978 if (to_play == 'B') {
3979 startedFromSetupPosition = TRUE;
3980 blackPlaysFirst = TRUE;
3982 if (forwardMostMove == 0) forwardMostMove = 1;
3983 if (backwardMostMove == 0) backwardMostMove = 1;
3984 if (currentMove == 0) currentMove = 1;
3986 newGameMode = gameMode;
3987 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3989 case H_GOT_UNWANTED_HEADER:
3990 /* This is an initial board that we don't want */
3992 case H_GETTING_MOVES:
3993 /* Should not happen */
3994 DisplayError(_("Error gathering move list: extra board"), 0);
3995 ics_getting_history = H_FALSE;
3999 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4000 weird && (int)gameInfo.variant < (int)VariantShogi) {
4001 /* [HGM] We seem to have switched variant unexpectedly
4002 * Try to guess new variant from board size
4004 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4005 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4006 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4007 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4008 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4009 if(!weird) newVariant = VariantNormal;
4010 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4011 /* Get a move list just to see the header, which
4012 will tell us whether this is really bug or zh */
4013 if (ics_getting_history == H_FALSE) {
4014 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4015 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4020 /* Take action if this is the first board of a new game, or of a
4021 different game than is currently being displayed. */
4022 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4023 relation == RELATION_ISOLATED_BOARD) {
4025 /* Forget the old game and get the history (if any) of the new one */
4026 if (gameMode != BeginningOfGame) {
4030 if (appData.autoRaiseBoard) BoardToTop();
4032 if (gamenum == -1) {
4033 newGameMode = IcsIdle;
4034 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4035 appData.getMoveList && !reqFlag) {
4036 /* Need to get game history */
4037 ics_getting_history = H_REQUESTED;
4038 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4042 /* Initially flip the board to have black on the bottom if playing
4043 black or if the ICS flip flag is set, but let the user change
4044 it with the Flip View button. */
4045 flipView = appData.autoFlipView ?
4046 (newGameMode == IcsPlayingBlack) || ics_flip :
4049 /* Done with values from previous mode; copy in new ones */
4050 gameMode = newGameMode;
4052 ics_gamenum = gamenum;
4053 if (gamenum == gs_gamenum) {
4054 int klen = strlen(gs_kind);
4055 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4056 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4057 gameInfo.event = StrSave(str);
4059 gameInfo.event = StrSave("ICS game");
4061 gameInfo.site = StrSave(appData.icsHost);
4062 gameInfo.date = PGNDate();
4063 gameInfo.round = StrSave("-");
4064 gameInfo.white = StrSave(white);
4065 gameInfo.black = StrSave(black);
4066 timeControl = basetime * 60 * 1000;
4068 timeIncrement = increment * 1000;
4069 movesPerSession = 0;
4070 gameInfo.timeControl = TimeControlTagValue();
4071 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4072 if (appData.debugMode) {
4073 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4074 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4075 setbuf(debugFP, NULL);
4078 gameInfo.outOfBook = NULL;
4080 /* Do we have the ratings? */
4081 if (strcmp(player1Name, white) == 0 &&
4082 strcmp(player2Name, black) == 0) {
4083 if (appData.debugMode)
4084 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4085 player1Rating, player2Rating);
4086 gameInfo.whiteRating = player1Rating;
4087 gameInfo.blackRating = player2Rating;
4088 } else if (strcmp(player2Name, white) == 0 &&
4089 strcmp(player1Name, black) == 0) {
4090 if (appData.debugMode)
4091 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4092 player2Rating, player1Rating);
4093 gameInfo.whiteRating = player2Rating;
4094 gameInfo.blackRating = player1Rating;
4096 player1Name[0] = player2Name[0] = NULLCHAR;
4098 /* Silence shouts if requested */
4099 if (appData.quietPlay &&
4100 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4101 SendToICS(ics_prefix);
4102 SendToICS("set shout 0\n");
4106 /* Deal with midgame name changes */
4108 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4109 if (gameInfo.white) free(gameInfo.white);
4110 gameInfo.white = StrSave(white);
4112 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4113 if (gameInfo.black) free(gameInfo.black);
4114 gameInfo.black = StrSave(black);
4118 /* Throw away game result if anything actually changes in examine mode */
4119 if (gameMode == IcsExamining && !newGame) {
4120 gameInfo.result = GameUnfinished;
4121 if (gameInfo.resultDetails != NULL) {
4122 free(gameInfo.resultDetails);
4123 gameInfo.resultDetails = NULL;
4127 /* In pausing && IcsExamining mode, we ignore boards coming
4128 in if they are in a different variation than we are. */
4129 if (pauseExamInvalid) return;
4130 if (pausing && gameMode == IcsExamining) {
4131 if (moveNum <= pauseExamForwardMostMove) {
4132 pauseExamInvalid = TRUE;
4133 forwardMostMove = pauseExamForwardMostMove;
4138 if (appData.debugMode) {
4139 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4141 /* Parse the board */
4142 for (k = 0; k < ranks; k++) {
4143 for (j = 0; j < files; j++)
4144 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4145 if(gameInfo.holdingsWidth > 1) {
4146 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4147 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4150 CopyBoard(boards[moveNum], board);
4151 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4153 startedFromSetupPosition =
4154 !CompareBoards(board, initialPosition);
4155 if(startedFromSetupPosition)
4156 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4159 /* [HGM] Set castling rights. Take the outermost Rooks,
4160 to make it also work for FRC opening positions. Note that board12
4161 is really defective for later FRC positions, as it has no way to
4162 indicate which Rook can castle if they are on the same side of King.
4163 For the initial position we grant rights to the outermost Rooks,
4164 and remember thos rights, and we then copy them on positions
4165 later in an FRC game. This means WB might not recognize castlings with
4166 Rooks that have moved back to their original position as illegal,
4167 but in ICS mode that is not its job anyway.
4169 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4170 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4172 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4173 if(board[0][i] == WhiteRook) j = i;
4174 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4175 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4176 if(board[0][i] == WhiteRook) j = i;
4177 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4178 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4179 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4180 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4181 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4182 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4183 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4185 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4186 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4187 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4188 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4189 if(board[BOARD_HEIGHT-1][k] == bKing)
4190 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4191 if(gameInfo.variant == VariantTwoKings) {
4192 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4193 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4194 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4197 r = boards[moveNum][CASTLING][0] = initialRights[0];
4198 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4199 r = boards[moveNum][CASTLING][1] = initialRights[1];
4200 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4201 r = boards[moveNum][CASTLING][3] = initialRights[3];
4202 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4203 r = boards[moveNum][CASTLING][4] = initialRights[4];
4204 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4205 /* wildcastle kludge: always assume King has rights */
4206 r = boards[moveNum][CASTLING][2] = initialRights[2];
4207 r = boards[moveNum][CASTLING][5] = initialRights[5];
4209 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4210 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4213 if (ics_getting_history == H_GOT_REQ_HEADER ||
4214 ics_getting_history == H_GOT_UNREQ_HEADER) {
4215 /* This was an initial position from a move list, not
4216 the current position */
4220 /* Update currentMove and known move number limits */
4221 newMove = newGame || moveNum > forwardMostMove;
4224 forwardMostMove = backwardMostMove = currentMove = moveNum;
4225 if (gameMode == IcsExamining && moveNum == 0) {
4226 /* Workaround for ICS limitation: we are not told the wild
4227 type when starting to examine a game. But if we ask for
4228 the move list, the move list header will tell us */
4229 ics_getting_history = H_REQUESTED;
4230 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4233 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4234 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4236 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4237 /* [HGM] applied this also to an engine that is silently watching */
4238 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4239 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4240 gameInfo.variant == currentlyInitializedVariant) {
4241 takeback = forwardMostMove - moveNum;
4242 for (i = 0; i < takeback; i++) {
4243 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4244 SendToProgram("undo\n", &first);
4249 forwardMostMove = moveNum;
4250 if (!pausing || currentMove > forwardMostMove)
4251 currentMove = forwardMostMove;
4253 /* New part of history that is not contiguous with old part */
4254 if (pausing && gameMode == IcsExamining) {
4255 pauseExamInvalid = TRUE;
4256 forwardMostMove = pauseExamForwardMostMove;
4259 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4261 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4262 // [HGM] when we will receive the move list we now request, it will be
4263 // fed to the engine from the first move on. So if the engine is not
4264 // in the initial position now, bring it there.
4265 InitChessProgram(&first, 0);
4268 ics_getting_history = H_REQUESTED;
4269 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4272 forwardMostMove = backwardMostMove = currentMove = moveNum;
4275 /* Update the clocks */
4276 if (strchr(elapsed_time, '.')) {
4278 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4279 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4281 /* Time is in seconds */
4282 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4283 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4288 if (appData.zippyPlay && newGame &&
4289 gameMode != IcsObserving && gameMode != IcsIdle &&
4290 gameMode != IcsExamining)
4291 ZippyFirstBoard(moveNum, basetime, increment);
4294 /* Put the move on the move list, first converting
4295 to canonical algebraic form. */
4297 if (appData.debugMode) {
4298 if (appData.debugMode) { int f = forwardMostMove;
4299 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4300 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4301 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4303 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4304 fprintf(debugFP, "moveNum = %d\n", moveNum);
4305 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4306 setbuf(debugFP, NULL);
4308 if (moveNum <= backwardMostMove) {
4309 /* We don't know what the board looked like before
4311 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4312 strcat(parseList[moveNum - 1], " ");
4313 strcat(parseList[moveNum - 1], elapsed_time);
4314 moveList[moveNum - 1][0] = NULLCHAR;
4315 } else if (strcmp(move_str, "none") == 0) {
4316 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4317 /* Again, we don't know what the board looked like;
4318 this is really the start of the game. */
4319 parseList[moveNum - 1][0] = NULLCHAR;
4320 moveList[moveNum - 1][0] = NULLCHAR;
4321 backwardMostMove = moveNum;
4322 startedFromSetupPosition = TRUE;
4323 fromX = fromY = toX = toY = -1;
4325 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4326 // So we parse the long-algebraic move string in stead of the SAN move
4327 int valid; char buf[MSG_SIZ], *prom;
4329 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4330 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4331 // str looks something like "Q/a1-a2"; kill the slash
4333 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4334 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4335 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4336 strcat(buf, prom); // long move lacks promo specification!
4337 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4338 if(appData.debugMode)
4339 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4340 safeStrCpy(move_str, buf, MSG_SIZ);
4342 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4343 &fromX, &fromY, &toX, &toY, &promoChar)
4344 || ParseOneMove(buf, moveNum - 1, &moveType,
4345 &fromX, &fromY, &toX, &toY, &promoChar);
4346 // end of long SAN patch
4348 (void) CoordsToAlgebraic(boards[moveNum - 1],
4349 PosFlags(moveNum - 1),
4350 fromY, fromX, toY, toX, promoChar,
4351 parseList[moveNum-1]);
4352 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4358 if(gameInfo.variant != VariantShogi)
4359 strcat(parseList[moveNum - 1], "+");
4362 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4363 strcat(parseList[moveNum - 1], "#");
4366 strcat(parseList[moveNum - 1], " ");
4367 strcat(parseList[moveNum - 1], elapsed_time);
4368 /* currentMoveString is set as a side-effect of ParseOneMove */
4369 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4370 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4371 strcat(moveList[moveNum - 1], "\n");
4373 if(gameInfo.holdingsWidth && !appData.disguise) // inherit info that ICS does not give from previous board
4374 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4375 ChessSquare old, new = boards[moveNum][k][j];
4376 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4377 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4378 if(old == new) continue;
4379 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4380 else if(new == WhiteWazir || new == BlackWazir) {
4381 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4382 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4383 else boards[moveNum][k][j] = old; // preserve type of Gold
4384 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4385 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4388 /* Move from ICS was illegal!? Punt. */
4389 if (appData.debugMode) {
4390 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4391 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4393 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4394 strcat(parseList[moveNum - 1], " ");
4395 strcat(parseList[moveNum - 1], elapsed_time);
4396 moveList[moveNum - 1][0] = NULLCHAR;
4397 fromX = fromY = toX = toY = -1;
4400 if (appData.debugMode) {
4401 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4402 setbuf(debugFP, NULL);
4406 /* Send move to chess program (BEFORE animating it). */
4407 if (appData.zippyPlay && !newGame && newMove &&
4408 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4410 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4411 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4412 if (moveList[moveNum - 1][0] == NULLCHAR) {
4413 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4415 DisplayError(str, 0);
4417 if (first.sendTime) {
4418 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4420 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4421 if (firstMove && !bookHit) {
4423 if (first.useColors) {
4424 SendToProgram(gameMode == IcsPlayingWhite ?
4426 "black\ngo\n", &first);
4428 SendToProgram("go\n", &first);
4430 first.maybeThinking = TRUE;
4433 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4434 if (moveList[moveNum - 1][0] == NULLCHAR) {
4435 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4436 DisplayError(str, 0);
4438 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4439 SendMoveToProgram(moveNum - 1, &first);
4446 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4447 /* If move comes from a remote source, animate it. If it
4448 isn't remote, it will have already been animated. */
4449 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4450 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4452 if (!pausing && appData.highlightLastMove) {
4453 SetHighlights(fromX, fromY, toX, toY);
4457 /* Start the clocks */
4458 whiteFlag = blackFlag = FALSE;
4459 appData.clockMode = !(basetime == 0 && increment == 0);
4461 ics_clock_paused = TRUE;
4463 } else if (ticking == 1) {
4464 ics_clock_paused = FALSE;
4466 if (gameMode == IcsIdle ||
4467 relation == RELATION_OBSERVING_STATIC ||
4468 relation == RELATION_EXAMINING ||
4470 DisplayBothClocks();
4474 /* Display opponents and material strengths */
4475 if (gameInfo.variant != VariantBughouse &&
4476 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4477 if (tinyLayout || smallLayout) {
4478 if(gameInfo.variant == VariantNormal)
4479 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4480 gameInfo.white, white_stren, gameInfo.black, black_stren,
4481 basetime, increment);
4483 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4484 gameInfo.white, white_stren, gameInfo.black, black_stren,
4485 basetime, increment, (int) gameInfo.variant);
4487 if(gameInfo.variant == VariantNormal)
4488 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4489 gameInfo.white, white_stren, gameInfo.black, black_stren,
4490 basetime, increment);
4492 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4493 gameInfo.white, white_stren, gameInfo.black, black_stren,
4494 basetime, increment, VariantName(gameInfo.variant));
4497 if (appData.debugMode) {
4498 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4503 /* Display the board */
4504 if (!pausing && !appData.noGUI) {
4506 if (appData.premove)
4508 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4509 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4510 ClearPremoveHighlights();
4512 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4513 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4514 DrawPosition(j, boards[currentMove]);
4516 DisplayMove(moveNum - 1);
4517 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4518 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4519 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4520 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4524 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4526 if(bookHit) { // [HGM] book: simulate book reply
4527 static char bookMove[MSG_SIZ]; // a bit generous?
4529 programStats.nodes = programStats.depth = programStats.time =
4530 programStats.score = programStats.got_only_move = 0;
4531 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4533 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4534 strcat(bookMove, bookHit);
4535 HandleMachineMove(bookMove, &first);
4544 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4545 ics_getting_history = H_REQUESTED;
4546 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4552 AnalysisPeriodicEvent(force)
4555 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4556 && !force) || !appData.periodicUpdates)
4559 /* Send . command to Crafty to collect stats */
4560 SendToProgram(".\n", &first);
4562 /* Don't send another until we get a response (this makes
4563 us stop sending to old Crafty's which don't understand
4564 the "." command (sending illegal cmds resets node count & time,
4565 which looks bad)) */
4566 programStats.ok_to_send = 0;
4569 void ics_update_width(new_width)
4572 ics_printf("set width %d\n", new_width);
4576 SendMoveToProgram(moveNum, cps)
4578 ChessProgramState *cps;
4582 if (cps->useUsermove) {
4583 SendToProgram("usermove ", cps);
4587 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4588 int len = space - parseList[moveNum];
4589 memcpy(buf, parseList[moveNum], len);
4591 buf[len] = NULLCHAR;
4593 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4595 SendToProgram(buf, cps);
4597 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4598 AlphaRank(moveList[moveNum], 4);
4599 SendToProgram(moveList[moveNum], cps);
4600 AlphaRank(moveList[moveNum], 4); // and back
4602 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4603 * the engine. It would be nice to have a better way to identify castle
4605 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4606 && cps->useOOCastle) {
4607 int fromX = moveList[moveNum][0] - AAA;
4608 int fromY = moveList[moveNum][1] - ONE;
4609 int toX = moveList[moveNum][2] - AAA;
4610 int toY = moveList[moveNum][3] - ONE;
4611 if((boards[moveNum][fromY][fromX] == WhiteKing
4612 && boards[moveNum][toY][toX] == WhiteRook)
4613 || (boards[moveNum][fromY][fromX] == BlackKing
4614 && boards[moveNum][toY][toX] == BlackRook)) {
4615 if(toX > fromX) SendToProgram("O-O\n", cps);
4616 else SendToProgram("O-O-O\n", cps);
4618 else SendToProgram(moveList[moveNum], cps);
4620 else SendToProgram(moveList[moveNum], cps);
4621 /* End of additions by Tord */
4624 /* [HGM] setting up the opening has brought engine in force mode! */
4625 /* Send 'go' if we are in a mode where machine should play. */
4626 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4627 (gameMode == TwoMachinesPlay ||
4629 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4631 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4632 SendToProgram("go\n", cps);
4633 if (appData.debugMode) {
4634 fprintf(debugFP, "(extra)\n");
4637 setboardSpoiledMachineBlack = 0;
4641 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4643 int fromX, fromY, toX, toY;
4646 char user_move[MSG_SIZ];
4650 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4651 (int)moveType, fromX, fromY, toX, toY);
4652 DisplayError(user_move + strlen("say "), 0);
4654 case WhiteKingSideCastle:
4655 case BlackKingSideCastle:
4656 case WhiteQueenSideCastleWild:
4657 case BlackQueenSideCastleWild:
4659 case WhiteHSideCastleFR:
4660 case BlackHSideCastleFR:
4662 snprintf(user_move, MSG_SIZ, "o-o\n");
4664 case WhiteQueenSideCastle:
4665 case BlackQueenSideCastle:
4666 case WhiteKingSideCastleWild:
4667 case BlackKingSideCastleWild:
4669 case WhiteASideCastleFR:
4670 case BlackASideCastleFR:
4672 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4674 case WhiteNonPromotion:
4675 case BlackNonPromotion:
4676 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4678 case WhitePromotion:
4679 case BlackPromotion:
4680 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4681 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4682 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4683 PieceToChar(WhiteFerz));
4684 else if(gameInfo.variant == VariantGreat)
4685 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4686 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4687 PieceToChar(WhiteMan));
4689 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4690 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4696 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4697 ToUpper(PieceToChar((ChessSquare) fromX)),
4698 AAA + toX, ONE + toY);
4700 case IllegalMove: /* could be a variant we don't quite understand */
4701 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
4703 case WhiteCapturesEnPassant:
4704 case BlackCapturesEnPassant:
4705 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
4706 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4709 SendToICS(user_move);
4710 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4711 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4716 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4717 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4718 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4719 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4720 DisplayError("You cannot do this while you are playing or observing", 0);
4723 if(gameMode != IcsExamining) { // is this ever not the case?
4724 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4726 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4727 snprintf(command,MSG_SIZ, "match %s", ics_handle);
4728 } else { // on FICS we must first go to general examine mode
4729 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
4731 if(gameInfo.variant != VariantNormal) {
4732 // try figure out wild number, as xboard names are not always valid on ICS
4733 for(i=1; i<=36; i++) {
4734 snprintf(buf, MSG_SIZ, "wild/%d", i);
4735 if(StringToVariant(buf) == gameInfo.variant) break;
4737 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
4738 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
4739 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
4740 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4741 SendToICS(ics_prefix);
4743 if(startedFromSetupPosition || backwardMostMove != 0) {
4744 fen = PositionToFEN(backwardMostMove, NULL);
4745 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4746 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
4748 } else { // FICS: everything has to set by separate bsetup commands
4749 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4750 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
4752 if(!WhiteOnMove(backwardMostMove)) {
4753 SendToICS("bsetup tomove black\n");
4755 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4756 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
4758 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4759 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
4761 i = boards[backwardMostMove][EP_STATUS];
4762 if(i >= 0) { // set e.p.
4763 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
4769 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4770 SendToICS("bsetup done\n"); // switch to normal examining.
4772 for(i = backwardMostMove; i<last; i++) {
4774 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
4777 SendToICS(ics_prefix);
4778 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4782 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4787 if (rf == DROP_RANK) {
4788 sprintf(move, "%c@%c%c\n",
4789 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4791 if (promoChar == 'x' || promoChar == NULLCHAR) {
4792 sprintf(move, "%c%c%c%c\n",
4793 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4795 sprintf(move, "%c%c%c%c%c\n",
4796 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4802 ProcessICSInitScript(f)
4807 while (fgets(buf, MSG_SIZ, f)) {
4808 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4815 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4817 AlphaRank(char *move, int n)
4819 // char *p = move, c; int x, y;
4821 if (appData.debugMode) {
4822 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4826 move[2]>='0' && move[2]<='9' &&
4827 move[3]>='a' && move[3]<='x' ) {
4829 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4830 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4832 if(move[0]>='0' && move[0]<='9' &&
4833 move[1]>='a' && move[1]<='x' &&
4834 move[2]>='0' && move[2]<='9' &&
4835 move[3]>='a' && move[3]<='x' ) {
4836 /* input move, Shogi -> normal */
4837 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4838 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4839 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4840 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4843 move[3]>='0' && move[3]<='9' &&
4844 move[2]>='a' && move[2]<='x' ) {
4846 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4847 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4850 move[0]>='a' && move[0]<='x' &&
4851 move[3]>='0' && move[3]<='9' &&
4852 move[2]>='a' && move[2]<='x' ) {
4853 /* output move, normal -> Shogi */
4854 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4855 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4856 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4857 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4858 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4860 if (appData.debugMode) {
4861 fprintf(debugFP, " out = '%s'\n", move);
4865 char yy_textstr[8000];
4867 /* Parser for moves from gnuchess, ICS, or user typein box */
4869 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4872 ChessMove *moveType;
4873 int *fromX, *fromY, *toX, *toY;
4876 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
4878 switch (*moveType) {
4879 case WhitePromotion:
4880 case BlackPromotion:
4881 case WhiteNonPromotion:
4882 case BlackNonPromotion:
4884 case WhiteCapturesEnPassant:
4885 case BlackCapturesEnPassant:
4886 case WhiteKingSideCastle:
4887 case WhiteQueenSideCastle:
4888 case BlackKingSideCastle:
4889 case BlackQueenSideCastle:
4890 case WhiteKingSideCastleWild:
4891 case WhiteQueenSideCastleWild:
4892 case BlackKingSideCastleWild:
4893 case BlackQueenSideCastleWild:
4894 /* Code added by Tord: */
4895 case WhiteHSideCastleFR:
4896 case WhiteASideCastleFR:
4897 case BlackHSideCastleFR:
4898 case BlackASideCastleFR:
4899 /* End of code added by Tord */
4900 case IllegalMove: /* bug or odd chess variant */
4901 *fromX = currentMoveString[0] - AAA;
4902 *fromY = currentMoveString[1] - ONE;
4903 *toX = currentMoveString[2] - AAA;
4904 *toY = currentMoveString[3] - ONE;
4905 *promoChar = currentMoveString[4];
4906 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4907 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4908 if (appData.debugMode) {
4909 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4911 *fromX = *fromY = *toX = *toY = 0;
4914 if (appData.testLegality) {
4915 return (*moveType != IllegalMove);
4917 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4918 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4923 *fromX = *moveType == WhiteDrop ?
4924 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4925 (int) CharToPiece(ToLower(currentMoveString[0]));
4927 *toX = currentMoveString[2] - AAA;
4928 *toY = currentMoveString[3] - ONE;
4929 *promoChar = NULLCHAR;
4933 case ImpossibleMove:
4943 if (appData.debugMode) {
4944 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4947 *fromX = *fromY = *toX = *toY = 0;
4948 *promoChar = NULLCHAR;
4955 ParsePV(char *pv, Boolean storeComments)
4956 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4957 int fromX, fromY, toX, toY; char promoChar;
4962 endPV = forwardMostMove;
4964 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
4965 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
4966 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4967 if(appData.debugMode){
4968 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);
4970 if(!valid && nr == 0 &&
4971 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4972 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4973 // Hande case where played move is different from leading PV move
4974 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4975 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4976 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4977 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4978 endPV += 2; // if position different, keep this
4979 moveList[endPV-1][0] = fromX + AAA;
4980 moveList[endPV-1][1] = fromY + ONE;
4981 moveList[endPV-1][2] = toX + AAA;
4982 moveList[endPV-1][3] = toY + ONE;
4983 parseList[endPV-1][0] = NULLCHAR;
4984 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
4987 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
4988 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
4989 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
4990 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
4991 valid++; // allow comments in PV
4995 if(endPV+1 > framePtr) break; // no space, truncate
4998 CopyBoard(boards[endPV], boards[endPV-1]);
4999 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5000 moveList[endPV-1][0] = fromX + AAA;
5001 moveList[endPV-1][1] = fromY + ONE;
5002 moveList[endPV-1][2] = toX + AAA;
5003 moveList[endPV-1][3] = toY + ONE;
5005 CoordsToAlgebraic(boards[endPV - 1],
5006 PosFlags(endPV - 1),
5007 fromY, fromX, toY, toX, promoChar,
5008 parseList[endPV - 1]);
5010 parseList[endPV-1][0] = NULLCHAR;
5012 currentMove = endPV;
5013 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5014 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5015 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5016 DrawPosition(TRUE, boards[currentMove]);
5019 static int lastX, lastY;
5022 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5027 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5028 lastX = x; lastY = y;
5029 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5031 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5032 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5034 do{ while(buf[index] && buf[index] != '\n') index++;
5035 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5037 ParsePV(buf+startPV, FALSE);
5038 *start = startPV; *end = index-1;
5043 LoadPV(int x, int y)
5044 { // called on right mouse click to load PV
5045 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5046 lastX = x; lastY = y;
5047 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
5054 if(endPV < 0) return;
5056 currentMove = forwardMostMove;
5057 ClearPremoveHighlights();
5058 DrawPosition(TRUE, boards[currentMove]);
5062 MovePV(int x, int y, int h)
5063 { // step through PV based on mouse coordinates (called on mouse move)
5064 int margin = h>>3, step = 0;
5066 if(endPV < 0) return;
5067 // we must somehow check if right button is still down (might be released off board!)
5068 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
5069 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
5070 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
5072 lastX = x; lastY = y;
5073 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5074 currentMove += step;
5075 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5076 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5077 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5078 DrawPosition(FALSE, boards[currentMove]);
5082 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5083 // All positions will have equal probability, but the current method will not provide a unique
5084 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5090 int piecesLeft[(int)BlackPawn];
5091 int seed, nrOfShuffles;
5093 void GetPositionNumber()
5094 { // sets global variable seed
5097 seed = appData.defaultFrcPosition;
5098 if(seed < 0) { // randomize based on time for negative FRC position numbers
5099 for(i=0; i<50; i++) seed += random();
5100 seed = random() ^ random() >> 8 ^ random() << 8;
5101 if(seed<0) seed = -seed;
5105 int put(Board board, int pieceType, int rank, int n, int shade)
5106 // put the piece on the (n-1)-th empty squares of the given shade
5110 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5111 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5112 board[rank][i] = (ChessSquare) pieceType;
5113 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5115 piecesLeft[pieceType]--;
5123 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5124 // calculate where the next piece goes, (any empty square), and put it there
5128 i = seed % squaresLeft[shade];
5129 nrOfShuffles *= squaresLeft[shade];
5130 seed /= squaresLeft[shade];
5131 put(board, pieceType, rank, i, shade);
5134 void AddTwoPieces(Board board, int pieceType, int rank)
5135 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5137 int i, n=squaresLeft[ANY], j=n-1, k;
5139 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5140 i = seed % k; // pick one
5143 while(i >= j) i -= j--;
5144 j = n - 1 - j; i += j;
5145 put(board, pieceType, rank, j, ANY);
5146 put(board, pieceType, rank, i, ANY);
5149 void SetUpShuffle(Board board, int number)
5153 GetPositionNumber(); nrOfShuffles = 1;
5155 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5156 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5157 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5159 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5161 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5162 p = (int) board[0][i];
5163 if(p < (int) BlackPawn) piecesLeft[p] ++;
5164 board[0][i] = EmptySquare;
5167 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5168 // shuffles restricted to allow normal castling put KRR first
5169 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5170 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5171 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5172 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5173 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5174 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5175 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5176 put(board, WhiteRook, 0, 0, ANY);
5177 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5180 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5181 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5182 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5183 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5184 while(piecesLeft[p] >= 2) {
5185 AddOnePiece(board, p, 0, LITE);
5186 AddOnePiece(board, p, 0, DARK);
5188 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5191 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5192 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5193 // but we leave King and Rooks for last, to possibly obey FRC restriction
5194 if(p == (int)WhiteRook) continue;
5195 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5196 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5199 // now everything is placed, except perhaps King (Unicorn) and Rooks
5201 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5202 // Last King gets castling rights
5203 while(piecesLeft[(int)WhiteUnicorn]) {
5204 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5205 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5208 while(piecesLeft[(int)WhiteKing]) {
5209 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5210 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5215 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5216 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5219 // Only Rooks can be left; simply place them all
5220 while(piecesLeft[(int)WhiteRook]) {
5221 i = put(board, WhiteRook, 0, 0, ANY);
5222 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5225 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5227 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5230 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5231 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5234 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5237 int SetCharTable( char *table, const char * map )
5238 /* [HGM] moved here from winboard.c because of its general usefulness */
5239 /* Basically a safe strcpy that uses the last character as King */
5241 int result = FALSE; int NrPieces;
5243 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5244 && NrPieces >= 12 && !(NrPieces&1)) {
5245 int i; /* [HGM] Accept even length from 12 to 34 */
5247 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5248 for( i=0; i<NrPieces/2-1; i++ ) {
5250 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5252 table[(int) WhiteKing] = map[NrPieces/2-1];
5253 table[(int) BlackKing] = map[NrPieces-1];
5261 void Prelude(Board board)
5262 { // [HGM] superchess: random selection of exo-pieces
5263 int i, j, k; ChessSquare p;
5264 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5266 GetPositionNumber(); // use FRC position number
5268 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5269 SetCharTable(pieceToChar, appData.pieceToCharTable);
5270 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5271 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5274 j = seed%4; seed /= 4;
5275 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5276 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5277 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5278 j = seed%3 + (seed%3 >= j); seed /= 3;
5279 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5280 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5281 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5282 j = seed%3; seed /= 3;
5283 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5284 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5285 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5286 j = seed%2 + (seed%2 >= j); seed /= 2;
5287 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5288 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5289 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5290 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5291 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5292 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5293 put(board, exoPieces[0], 0, 0, ANY);
5294 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5298 InitPosition(redraw)
5301 ChessSquare (* pieces)[BOARD_FILES];
5302 int i, j, pawnRow, overrule,
5303 oldx = gameInfo.boardWidth,
5304 oldy = gameInfo.boardHeight,
5305 oldh = gameInfo.holdingsWidth,
5306 oldv = gameInfo.variant;
5308 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5310 /* [AS] Initialize pv info list [HGM] and game status */
5312 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5313 pvInfoList[i].depth = 0;
5314 boards[i][EP_STATUS] = EP_NONE;
5315 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5318 initialRulePlies = 0; /* 50-move counter start */
5320 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5321 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5325 /* [HGM] logic here is completely changed. In stead of full positions */
5326 /* the initialized data only consist of the two backranks. The switch */
5327 /* selects which one we will use, which is than copied to the Board */
5328 /* initialPosition, which for the rest is initialized by Pawns and */
5329 /* empty squares. This initial position is then copied to boards[0], */
5330 /* possibly after shuffling, so that it remains available. */
5332 gameInfo.holdingsWidth = 0; /* default board sizes */
5333 gameInfo.boardWidth = 8;
5334 gameInfo.boardHeight = 8;
5335 gameInfo.holdingsSize = 0;
5336 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5337 for(i=0; i<BOARD_FILES-2; i++)
5338 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5339 initialPosition[EP_STATUS] = EP_NONE;
5340 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5341 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5342 SetCharTable(pieceNickName, appData.pieceNickNames);
5343 else SetCharTable(pieceNickName, "............");
5346 switch (gameInfo.variant) {
5347 case VariantFischeRandom:
5348 shuffleOpenings = TRUE;
5351 case VariantShatranj:
5352 pieces = ShatranjArray;
5353 nrCastlingRights = 0;
5354 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5357 pieces = makrukArray;
5358 nrCastlingRights = 0;
5359 startedFromSetupPosition = TRUE;
5360 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5362 case VariantTwoKings:
5363 pieces = twoKingsArray;
5365 case VariantCapaRandom:
5366 shuffleOpenings = TRUE;
5367 case VariantCapablanca:
5368 pieces = CapablancaArray;
5369 gameInfo.boardWidth = 10;
5370 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5373 pieces = GothicArray;
5374 gameInfo.boardWidth = 10;
5375 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5378 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5379 gameInfo.holdingsSize = 7;
5382 pieces = JanusArray;
5383 gameInfo.boardWidth = 10;
5384 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5385 nrCastlingRights = 6;
5386 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5387 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5388 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5389 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5390 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5391 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5394 pieces = FalconArray;
5395 gameInfo.boardWidth = 10;
5396 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5398 case VariantXiangqi:
5399 pieces = XiangqiArray;
5400 gameInfo.boardWidth = 9;
5401 gameInfo.boardHeight = 10;
5402 nrCastlingRights = 0;
5403 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5406 pieces = ShogiArray;
5407 gameInfo.boardWidth = 9;
5408 gameInfo.boardHeight = 9;
5409 gameInfo.holdingsSize = 7;
5410 nrCastlingRights = 0;
5411 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5413 case VariantCourier:
5414 pieces = CourierArray;
5415 gameInfo.boardWidth = 12;
5416 nrCastlingRights = 0;
5417 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5419 case VariantKnightmate:
5420 pieces = KnightmateArray;
5421 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5424 pieces = fairyArray;
5425 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5428 pieces = GreatArray;
5429 gameInfo.boardWidth = 10;
5430 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5431 gameInfo.holdingsSize = 8;
5435 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5436 gameInfo.holdingsSize = 8;
5437 startedFromSetupPosition = TRUE;
5439 case VariantCrazyhouse:
5440 case VariantBughouse:
5442 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5443 gameInfo.holdingsSize = 5;
5445 case VariantWildCastle:
5447 /* !!?shuffle with kings guaranteed to be on d or e file */
5448 shuffleOpenings = 1;
5450 case VariantNoCastle:
5452 nrCastlingRights = 0;
5453 /* !!?unconstrained back-rank shuffle */
5454 shuffleOpenings = 1;
5459 if(appData.NrFiles >= 0) {
5460 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5461 gameInfo.boardWidth = appData.NrFiles;
5463 if(appData.NrRanks >= 0) {
5464 gameInfo.boardHeight = appData.NrRanks;
5466 if(appData.holdingsSize >= 0) {
5467 i = appData.holdingsSize;
5468 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5469 gameInfo.holdingsSize = i;
5471 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5472 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5473 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5475 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5476 if(pawnRow < 1) pawnRow = 1;
5477 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5479 /* User pieceToChar list overrules defaults */
5480 if(appData.pieceToCharTable != NULL)
5481 SetCharTable(pieceToChar, appData.pieceToCharTable);
5483 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5485 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5486 s = (ChessSquare) 0; /* account holding counts in guard band */
5487 for( i=0; i<BOARD_HEIGHT; i++ )
5488 initialPosition[i][j] = s;
5490 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5491 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5492 initialPosition[pawnRow][j] = WhitePawn;
5493 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5494 if(gameInfo.variant == VariantXiangqi) {
5496 initialPosition[pawnRow][j] =
5497 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5498 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5499 initialPosition[2][j] = WhiteCannon;
5500 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5504 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5506 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5509 initialPosition[1][j] = WhiteBishop;
5510 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5512 initialPosition[1][j] = WhiteRook;
5513 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5516 if( nrCastlingRights == -1) {
5517 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5518 /* This sets default castling rights from none to normal corners */
5519 /* Variants with other castling rights must set them themselves above */
5520 nrCastlingRights = 6;
5522 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5523 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5524 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5525 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5526 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5527 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5530 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5531 if(gameInfo.variant == VariantGreat) { // promotion commoners
5532 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5533 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5534 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5535 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5537 if( gameInfo.variant == VariantSChess ) {
5538 initialPosition[1][0] = BlackMarshall;
5539 initialPosition[2][0] = BlackAngel;
5540 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5541 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5542 initialPosition[1][1] = initialPosition[2][1] =
5543 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5545 if (appData.debugMode) {
5546 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5548 if(shuffleOpenings) {
5549 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5550 startedFromSetupPosition = TRUE;
5552 if(startedFromPositionFile) {
5553 /* [HGM] loadPos: use PositionFile for every new game */
5554 CopyBoard(initialPosition, filePosition);
5555 for(i=0; i<nrCastlingRights; i++)
5556 initialRights[i] = filePosition[CASTLING][i];
5557 startedFromSetupPosition = TRUE;
5560 CopyBoard(boards[0], initialPosition);
5562 if(oldx != gameInfo.boardWidth ||
5563 oldy != gameInfo.boardHeight ||
5564 oldh != gameInfo.holdingsWidth
5566 || oldv == VariantGothic || // For licensing popups
5567 gameInfo.variant == VariantGothic
5570 || oldv == VariantFalcon ||
5571 gameInfo.variant == VariantFalcon
5574 InitDrawingSizes(-2 ,0);
5577 DrawPosition(TRUE, boards[currentMove]);
5581 SendBoard(cps, moveNum)
5582 ChessProgramState *cps;
5585 char message[MSG_SIZ];
5587 if (cps->useSetboard) {
5588 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5589 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
5590 SendToProgram(message, cps);
5596 /* Kludge to set black to move, avoiding the troublesome and now
5597 * deprecated "black" command.
5599 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
5600 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
5602 SendToProgram("edit\n", cps);
5603 SendToProgram("#\n", cps);
5604 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5605 bp = &boards[moveNum][i][BOARD_LEFT];
5606 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5607 if ((int) *bp < (int) BlackPawn) {
5608 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
5610 if(message[0] == '+' || message[0] == '~') {
5611 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5612 PieceToChar((ChessSquare)(DEMOTED *bp)),
5615 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5616 message[1] = BOARD_RGHT - 1 - j + '1';
5617 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5619 SendToProgram(message, cps);
5624 SendToProgram("c\n", cps);
5625 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5626 bp = &boards[moveNum][i][BOARD_LEFT];
5627 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5628 if (((int) *bp != (int) EmptySquare)
5629 && ((int) *bp >= (int) BlackPawn)) {
5630 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5632 if(message[0] == '+' || message[0] == '~') {
5633 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5634 PieceToChar((ChessSquare)(DEMOTED *bp)),
5637 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5638 message[1] = BOARD_RGHT - 1 - j + '1';
5639 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5641 SendToProgram(message, cps);
5646 SendToProgram(".\n", cps);
5648 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5651 static int autoQueen; // [HGM] oneclick
5654 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5656 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5657 /* [HGM] add Shogi promotions */
5658 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5663 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5664 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5666 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5667 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5670 piece = boards[currentMove][fromY][fromX];
5671 if(gameInfo.variant == VariantShogi) {
5672 promotionZoneSize = BOARD_HEIGHT/3;
5673 highestPromotingPiece = (int)WhiteFerz;
5674 } else if(gameInfo.variant == VariantMakruk) {
5675 promotionZoneSize = 3;
5678 // next weed out all moves that do not touch the promotion zone at all
5679 if((int)piece >= BlackPawn) {
5680 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5682 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5684 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5685 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5688 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5690 // weed out mandatory Shogi promotions
5691 if(gameInfo.variant == VariantShogi) {
5692 if(piece >= BlackPawn) {
5693 if(toY == 0 && piece == BlackPawn ||
5694 toY == 0 && piece == BlackQueen ||
5695 toY <= 1 && piece == BlackKnight) {
5700 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5701 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5702 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5709 // weed out obviously illegal Pawn moves
5710 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5711 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5712 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5713 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5714 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5715 // note we are not allowed to test for valid (non-)capture, due to premove
5718 // we either have a choice what to promote to, or (in Shogi) whether to promote
5719 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5720 *promoChoice = PieceToChar(BlackFerz); // no choice
5723 // no sense asking what we must promote to if it is going to explode...
5724 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
5725 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
5728 if(autoQueen) { // predetermined
5729 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5730 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5731 else *promoChoice = PieceToChar(BlackQueen);
5735 // suppress promotion popup on illegal moves that are not premoves
5736 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5737 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5738 if(appData.testLegality && !premove) {
5739 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5740 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
5741 if(moveType != WhitePromotion && moveType != BlackPromotion)
5749 InPalace(row, column)
5751 { /* [HGM] for Xiangqi */
5752 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5753 column < (BOARD_WIDTH + 4)/2 &&
5754 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5759 PieceForSquare (x, y)
5763 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5766 return boards[currentMove][y][x];
5770 OKToStartUserMove(x, y)
5773 ChessSquare from_piece;
5776 if (matchMode) return FALSE;
5777 if (gameMode == EditPosition) return TRUE;
5779 if (x >= 0 && y >= 0)
5780 from_piece = boards[currentMove][y][x];
5782 from_piece = EmptySquare;
5784 if (from_piece == EmptySquare) return FALSE;
5786 white_piece = (int)from_piece >= (int)WhitePawn &&
5787 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5790 case PlayFromGameFile:
5792 case TwoMachinesPlay:
5800 case MachinePlaysWhite:
5801 case IcsPlayingBlack:
5802 if (appData.zippyPlay) return FALSE;
5804 DisplayMoveError(_("You are playing Black"));
5809 case MachinePlaysBlack:
5810 case IcsPlayingWhite:
5811 if (appData.zippyPlay) return FALSE;
5813 DisplayMoveError(_("You are playing White"));
5819 if (!white_piece && WhiteOnMove(currentMove)) {
5820 DisplayMoveError(_("It is White's turn"));
5823 if (white_piece && !WhiteOnMove(currentMove)) {
5824 DisplayMoveError(_("It is Black's turn"));
5827 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5828 /* Editing correspondence game history */
5829 /* Could disallow this or prompt for confirmation */
5834 case BeginningOfGame:
5835 if (appData.icsActive) return FALSE;
5836 if (!appData.noChessProgram) {
5838 DisplayMoveError(_("You are playing White"));
5845 if (!white_piece && WhiteOnMove(currentMove)) {
5846 DisplayMoveError(_("It is White's turn"));
5849 if (white_piece && !WhiteOnMove(currentMove)) {
5850 DisplayMoveError(_("It is Black's turn"));
5859 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5860 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5861 && gameMode != AnalyzeFile && gameMode != Training) {
5862 DisplayMoveError(_("Displayed position is not current"));
5869 OnlyMove(int *x, int *y, Boolean captures) {
5870 DisambiguateClosure cl;
5871 if (appData.zippyPlay) return FALSE;
5873 case MachinePlaysBlack:
5874 case IcsPlayingWhite:
5875 case BeginningOfGame:
5876 if(!WhiteOnMove(currentMove)) return FALSE;
5878 case MachinePlaysWhite:
5879 case IcsPlayingBlack:
5880 if(WhiteOnMove(currentMove)) return FALSE;
5887 cl.pieceIn = EmptySquare;
5892 cl.promoCharIn = NULLCHAR;
5893 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5894 if( cl.kind == NormalMove ||
5895 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5896 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5897 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5904 if(cl.kind != ImpossibleMove) return FALSE;
5905 cl.pieceIn = EmptySquare;
5910 cl.promoCharIn = NULLCHAR;
5911 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5912 if( cl.kind == NormalMove ||
5913 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5914 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5915 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5920 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5926 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5927 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5928 int lastLoadGameUseList = FALSE;
5929 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5930 ChessMove lastLoadGameStart = EndOfFile;
5933 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5934 int fromX, fromY, toX, toY;
5938 ChessSquare pdown, pup;
5940 /* Check if the user is playing in turn. This is complicated because we
5941 let the user "pick up" a piece before it is his turn. So the piece he
5942 tried to pick up may have been captured by the time he puts it down!
5943 Therefore we use the color the user is supposed to be playing in this
5944 test, not the color of the piece that is currently on the starting
5945 square---except in EditGame mode, where the user is playing both
5946 sides; fortunately there the capture race can't happen. (It can
5947 now happen in IcsExamining mode, but that's just too bad. The user
5948 will get a somewhat confusing message in that case.)
5952 case PlayFromGameFile:
5954 case TwoMachinesPlay:
5958 /* We switched into a game mode where moves are not accepted,
5959 perhaps while the mouse button was down. */
5962 case MachinePlaysWhite:
5963 /* User is moving for Black */
5964 if (WhiteOnMove(currentMove)) {
5965 DisplayMoveError(_("It is White's turn"));
5970 case MachinePlaysBlack:
5971 /* User is moving for White */
5972 if (!WhiteOnMove(currentMove)) {
5973 DisplayMoveError(_("It is Black's turn"));
5980 case BeginningOfGame:
5983 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5984 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5985 /* User is moving for Black */
5986 if (WhiteOnMove(currentMove)) {
5987 DisplayMoveError(_("It is White's turn"));
5991 /* User is moving for White */
5992 if (!WhiteOnMove(currentMove)) {
5993 DisplayMoveError(_("It is Black's turn"));
5999 case IcsPlayingBlack:
6000 /* User is moving for Black */
6001 if (WhiteOnMove(currentMove)) {
6002 if (!appData.premove) {
6003 DisplayMoveError(_("It is White's turn"));
6004 } else if (toX >= 0 && toY >= 0) {
6007 premoveFromX = fromX;
6008 premoveFromY = fromY;
6009 premovePromoChar = promoChar;
6011 if (appData.debugMode)
6012 fprintf(debugFP, "Got premove: fromX %d,"
6013 "fromY %d, toX %d, toY %d\n",
6014 fromX, fromY, toX, toY);
6020 case IcsPlayingWhite:
6021 /* User is moving for White */
6022 if (!WhiteOnMove(currentMove)) {
6023 if (!appData.premove) {
6024 DisplayMoveError(_("It is Black's turn"));
6025 } else if (toX >= 0 && toY >= 0) {
6028 premoveFromX = fromX;
6029 premoveFromY = fromY;
6030 premovePromoChar = promoChar;
6032 if (appData.debugMode)
6033 fprintf(debugFP, "Got premove: fromX %d,"
6034 "fromY %d, toX %d, toY %d\n",
6035 fromX, fromY, toX, toY);
6045 /* EditPosition, empty square, or different color piece;
6046 click-click move is possible */
6047 if (toX == -2 || toY == -2) {
6048 boards[0][fromY][fromX] = EmptySquare;
6049 DrawPosition(FALSE, boards[currentMove]);
6051 } else if (toX >= 0 && toY >= 0) {
6052 boards[0][toY][toX] = boards[0][fromY][fromX];
6053 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6054 if(boards[0][fromY][0] != EmptySquare) {
6055 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6056 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6059 if(fromX == BOARD_RGHT+1) {
6060 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6061 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6062 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6065 boards[0][fromY][fromX] = EmptySquare;
6066 DrawPosition(FALSE, boards[currentMove]);
6072 if(toX < 0 || toY < 0) return;
6073 pdown = boards[currentMove][fromY][fromX];
6074 pup = boards[currentMove][toY][toX];
6076 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6077 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
6078 if( pup != EmptySquare ) return;
6079 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6080 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6081 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6082 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6083 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6084 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6085 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6089 /* [HGM] always test for legality, to get promotion info */
6090 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6091 fromY, fromX, toY, toX, promoChar);
6092 /* [HGM] but possibly ignore an IllegalMove result */
6093 if (appData.testLegality) {
6094 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6095 DisplayMoveError(_("Illegal move"));
6100 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6103 /* Common tail of UserMoveEvent and DropMenuEvent */
6105 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6107 int fromX, fromY, toX, toY;
6108 /*char*/int promoChar;
6112 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6113 // [HGM] superchess: suppress promotions to non-available piece
6114 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6115 if(WhiteOnMove(currentMove)) {
6116 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6118 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6122 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6123 move type in caller when we know the move is a legal promotion */
6124 if(moveType == NormalMove && promoChar)
6125 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6127 /* [HGM] <popupFix> The following if has been moved here from
6128 UserMoveEvent(). Because it seemed to belong here (why not allow
6129 piece drops in training games?), and because it can only be
6130 performed after it is known to what we promote. */
6131 if (gameMode == Training) {
6132 /* compare the move played on the board to the next move in the
6133 * game. If they match, display the move and the opponent's response.
6134 * If they don't match, display an error message.
6138 CopyBoard(testBoard, boards[currentMove]);
6139 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6141 if (CompareBoards(testBoard, boards[currentMove+1])) {
6142 ForwardInner(currentMove+1);
6144 /* Autoplay the opponent's response.
6145 * if appData.animate was TRUE when Training mode was entered,
6146 * the response will be animated.
6148 saveAnimate = appData.animate;
6149 appData.animate = animateTraining;
6150 ForwardInner(currentMove+1);
6151 appData.animate = saveAnimate;
6153 /* check for the end of the game */
6154 if (currentMove >= forwardMostMove) {
6155 gameMode = PlayFromGameFile;
6157 SetTrainingModeOff();
6158 DisplayInformation(_("End of game"));
6161 DisplayError(_("Incorrect move"), 0);
6166 /* Ok, now we know that the move is good, so we can kill
6167 the previous line in Analysis Mode */
6168 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6169 && currentMove < forwardMostMove) {
6170 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6171 else forwardMostMove = currentMove;
6174 /* If we need the chess program but it's dead, restart it */
6175 ResurrectChessProgram();
6177 /* A user move restarts a paused game*/
6181 thinkOutput[0] = NULLCHAR;
6183 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6185 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6187 if (gameMode == BeginningOfGame) {
6188 if (appData.noChessProgram) {
6189 gameMode = EditGame;
6193 gameMode = MachinePlaysBlack;
6196 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6198 if (first.sendName) {
6199 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6200 SendToProgram(buf, &first);
6207 /* Relay move to ICS or chess engine */
6208 if (appData.icsActive) {
6209 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6210 gameMode == IcsExamining) {
6211 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6212 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6214 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6216 // also send plain move, in case ICS does not understand atomic claims
6217 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6221 if (first.sendTime && (gameMode == BeginningOfGame ||
6222 gameMode == MachinePlaysWhite ||
6223 gameMode == MachinePlaysBlack)) {
6224 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6226 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6227 // [HGM] book: if program might be playing, let it use book
6228 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6229 first.maybeThinking = TRUE;
6230 } else SendMoveToProgram(forwardMostMove-1, &first);
6231 if (currentMove == cmailOldMove + 1) {
6232 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6236 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6240 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6246 if (WhiteOnMove(currentMove)) {
6247 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6249 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6253 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6258 case MachinePlaysBlack:
6259 case MachinePlaysWhite:
6260 /* disable certain menu options while machine is thinking */
6261 SetMachineThinkingEnables();
6268 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6270 if(bookHit) { // [HGM] book: simulate book reply
6271 static char bookMove[MSG_SIZ]; // a bit generous?
6273 programStats.nodes = programStats.depth = programStats.time =
6274 programStats.score = programStats.got_only_move = 0;
6275 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6277 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6278 strcat(bookMove, bookHit);
6279 HandleMachineMove(bookMove, &first);
6285 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6292 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6293 Markers *m = (Markers *) closure;
6294 if(rf == fromY && ff == fromX)
6295 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6296 || kind == WhiteCapturesEnPassant
6297 || kind == BlackCapturesEnPassant);
6298 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6302 MarkTargetSquares(int clear)
6305 if(!appData.markers || !appData.highlightDragging ||
6306 !appData.testLegality || gameMode == EditPosition) return;
6308 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6311 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6312 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6313 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6315 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6318 DrawPosition(TRUE, NULL);
6322 Explode(Board board, int fromX, int fromY, int toX, int toY)
6324 if(gameInfo.variant == VariantAtomic &&
6325 (board[toY][toX] != EmptySquare || // capture?
6326 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6327 board[fromY][fromX] == BlackPawn )
6329 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6335 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6337 void LeftClick(ClickType clickType, int xPix, int yPix)
6340 Boolean saveAnimate;
6341 static int second = 0, promotionChoice = 0, dragging = 0;
6342 char promoChoice = NULLCHAR;
6344 if(appData.seekGraph && appData.icsActive && loggedOn &&
6345 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6346 SeekGraphClick(clickType, xPix, yPix, 0);
6350 if (clickType == Press) ErrorPopDown();
6351 MarkTargetSquares(1);
6353 x = EventToSquare(xPix, BOARD_WIDTH);
6354 y = EventToSquare(yPix, BOARD_HEIGHT);
6355 if (!flipView && y >= 0) {
6356 y = BOARD_HEIGHT - 1 - y;
6358 if (flipView && x >= 0) {
6359 x = BOARD_WIDTH - 1 - x;
6362 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6363 if(clickType == Release) return; // ignore upclick of click-click destination
6364 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6365 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6366 if(gameInfo.holdingsWidth &&
6367 (WhiteOnMove(currentMove)
6368 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6369 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6370 // click in right holdings, for determining promotion piece
6371 ChessSquare p = boards[currentMove][y][x];
6372 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6373 if(p != EmptySquare) {
6374 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6379 DrawPosition(FALSE, boards[currentMove]);
6383 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6384 if(clickType == Press
6385 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6386 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6387 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6390 autoQueen = appData.alwaysPromoteToQueen;
6393 gatingPiece = EmptySquare;
6394 if (clickType != Press) {
6395 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6396 DragPieceEnd(xPix, yPix); dragging = 0;
6397 DrawPosition(FALSE, NULL);
6401 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6403 if (OKToStartUserMove(x, y)) {
6407 MarkTargetSquares(0);
6408 DragPieceBegin(xPix, yPix); dragging = 1;
6409 if (appData.highlightDragging) {
6410 SetHighlights(x, y, -1, -1);
6418 if (clickType == Press && gameMode != EditPosition) {
6423 // ignore off-board to clicks
6424 if(y < 0 || x < 0) return;
6426 /* Check if clicking again on the same color piece */
6427 fromP = boards[currentMove][fromY][fromX];
6428 toP = boards[currentMove][y][x];
6429 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6430 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6431 WhitePawn <= toP && toP <= WhiteKing &&
6432 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6433 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6434 (BlackPawn <= fromP && fromP <= BlackKing &&
6435 BlackPawn <= toP && toP <= BlackKing &&
6436 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6437 !(fromP == BlackKing && toP == BlackRook && frc))) {
6438 /* Clicked again on same color piece -- changed his mind */
6439 second = (x == fromX && y == fromY);
6440 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6441 if (appData.highlightDragging) {
6442 SetHighlights(x, y, -1, -1);
6446 if (OKToStartUserMove(x, y)) {
6447 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6448 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6449 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6450 gatingPiece = boards[currentMove][fromY][fromX];
6451 else gatingPiece = EmptySquare;
6453 fromY = y; dragging = 1;
6454 MarkTargetSquares(0);
6455 DragPieceBegin(xPix, yPix);
6458 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6461 // ignore clicks on holdings
6462 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6465 if (clickType == Release && x == fromX && y == fromY) {
6466 DragPieceEnd(xPix, yPix); dragging = 0;
6467 if (appData.animateDragging) {
6468 /* Undo animation damage if any */
6469 DrawPosition(FALSE, NULL);
6472 /* Second up/down in same square; just abort move */
6475 gatingPiece = EmptySquare;
6478 ClearPremoveHighlights();
6480 /* First upclick in same square; start click-click mode */
6481 SetHighlights(x, y, -1, -1);
6486 /* we now have a different from- and (possibly off-board) to-square */
6487 /* Completed move */
6490 saveAnimate = appData.animate;
6491 if (clickType == Press) {
6492 /* Finish clickclick move */
6493 if (appData.animate || appData.highlightLastMove) {
6494 SetHighlights(fromX, fromY, toX, toY);
6499 /* Finish drag move */
6500 if (appData.highlightLastMove) {
6501 SetHighlights(fromX, fromY, toX, toY);
6505 DragPieceEnd(xPix, yPix); dragging = 0;
6506 /* Don't animate move and drag both */
6507 appData.animate = FALSE;
6510 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6511 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6512 ChessSquare piece = boards[currentMove][fromY][fromX];
6513 if(gameMode == EditPosition && piece != EmptySquare &&
6514 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6517 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6518 n = PieceToNumber(piece - (int)BlackPawn);
6519 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6520 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6521 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6523 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6524 n = PieceToNumber(piece);
6525 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6526 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6527 boards[currentMove][n][BOARD_WIDTH-2]++;
6529 boards[currentMove][fromY][fromX] = EmptySquare;
6533 DrawPosition(TRUE, boards[currentMove]);
6537 // off-board moves should not be highlighted
6538 if(x < 0 || y < 0) ClearHighlights();
6540 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
6542 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6543 SetHighlights(fromX, fromY, toX, toY);
6544 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6545 // [HGM] super: promotion to captured piece selected from holdings
6546 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6547 promotionChoice = TRUE;
6548 // kludge follows to temporarily execute move on display, without promoting yet
6549 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6550 boards[currentMove][toY][toX] = p;
6551 DrawPosition(FALSE, boards[currentMove]);
6552 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6553 boards[currentMove][toY][toX] = q;
6554 DisplayMessage("Click in holdings to choose piece", "");
6559 int oldMove = currentMove;
6560 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6561 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6562 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6563 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
6564 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
6565 DrawPosition(TRUE, boards[currentMove]);
6568 appData.animate = saveAnimate;
6569 if (appData.animate || appData.animateDragging) {
6570 /* Undo animation damage if needed */
6571 DrawPosition(FALSE, NULL);
6575 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6576 { // front-end-free part taken out of PieceMenuPopup
6577 int whichMenu; int xSqr, ySqr;
6579 if(seekGraphUp) { // [HGM] seekgraph
6580 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6581 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6585 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6586 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6587 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6588 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6589 if(action == Press) {
6590 originalFlip = flipView;
6591 flipView = !flipView; // temporarily flip board to see game from partners perspective
6592 DrawPosition(TRUE, partnerBoard);
6593 DisplayMessage(partnerStatus, "");
6595 } else if(action == Release) {
6596 flipView = originalFlip;
6597 DrawPosition(TRUE, boards[currentMove]);
6603 xSqr = EventToSquare(x, BOARD_WIDTH);
6604 ySqr = EventToSquare(y, BOARD_HEIGHT);
6605 if (action == Release) UnLoadPV(); // [HGM] pv
6606 if (action != Press) return -2; // return code to be ignored
6609 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6611 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6612 if (xSqr < 0 || ySqr < 0) return -1;
\r
6613 whichMenu = 0; // edit-position menu
6616 if(!appData.icsEngineAnalyze) return -1;
6617 case IcsPlayingWhite:
6618 case IcsPlayingBlack:
6619 if(!appData.zippyPlay) goto noZip;
6622 case MachinePlaysWhite:
6623 case MachinePlaysBlack:
6624 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6625 if (!appData.dropMenu) {
6627 return 2; // flag front-end to grab mouse events
6629 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6630 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6633 if (xSqr < 0 || ySqr < 0) return -1;
6634 if (!appData.dropMenu || appData.testLegality &&
6635 gameInfo.variant != VariantBughouse &&
6636 gameInfo.variant != VariantCrazyhouse) return -1;
6637 whichMenu = 1; // drop menu
6643 if (((*fromX = xSqr) < 0) ||
6644 ((*fromY = ySqr) < 0)) {
6645 *fromX = *fromY = -1;
6649 *fromX = BOARD_WIDTH - 1 - *fromX;
6651 *fromY = BOARD_HEIGHT - 1 - *fromY;
6656 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6658 // char * hint = lastHint;
6659 FrontEndProgramStats stats;
6661 stats.which = cps == &first ? 0 : 1;
6662 stats.depth = cpstats->depth;
6663 stats.nodes = cpstats->nodes;
6664 stats.score = cpstats->score;
6665 stats.time = cpstats->time;
6666 stats.pv = cpstats->movelist;
6667 stats.hint = lastHint;
6668 stats.an_move_index = 0;
6669 stats.an_move_count = 0;
6671 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6672 stats.hint = cpstats->move_name;
6673 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6674 stats.an_move_count = cpstats->nr_moves;
6677 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
6679 SetProgramStats( &stats );
6683 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6684 { // count all piece types
6686 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6687 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6688 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6691 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6692 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6693 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6694 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6695 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6696 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6701 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6703 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6704 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6706 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6707 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6708 if(myPawns == 2 && nMine == 3) // KPP
6709 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6710 if(myPawns == 1 && nMine == 2) // KP
6711 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6712 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6713 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6714 if(myPawns) return FALSE;
6715 if(pCnt[WhiteRook+side])
6716 return pCnt[BlackRook-side] ||
6717 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6718 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6719 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6720 if(pCnt[WhiteCannon+side]) {
6721 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6722 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6724 if(pCnt[WhiteKnight+side])
6725 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6730 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6732 VariantClass v = gameInfo.variant;
6734 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6735 if(v == VariantShatranj) return TRUE; // always winnable through baring
6736 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6737 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6739 if(v == VariantXiangqi) {
6740 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6742 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6743 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6744 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6745 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6746 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6747 if(stale) // we have at least one last-rank P plus perhaps C
6748 return majors // KPKX
6749 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6751 return pCnt[WhiteFerz+side] // KCAK
6752 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6753 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6754 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6756 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6757 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6759 if(nMine == 1) return FALSE; // bare King
6760 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
6761 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6762 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6763 // by now we have King + 1 piece (or multiple Bishops on the same color)
6764 if(pCnt[WhiteKnight+side])
6765 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6766 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6767 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6769 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6770 if(pCnt[WhiteAlfil+side])
6771 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6772 if(pCnt[WhiteWazir+side])
6773 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6780 Adjudicate(ChessProgramState *cps)
6781 { // [HGM] some adjudications useful with buggy engines
6782 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6783 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6784 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6785 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6786 int k, count = 0; static int bare = 1;
6787 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6788 Boolean canAdjudicate = !appData.icsActive;
6790 // most tests only when we understand the game, i.e. legality-checking on
6791 if( appData.testLegality )
6792 { /* [HGM] Some more adjudications for obstinate engines */
6793 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6794 static int moveCount = 6;
6796 char *reason = NULL;
6798 /* Count what is on board. */
6799 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6801 /* Some material-based adjudications that have to be made before stalemate test */
6802 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6803 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6804 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6805 if(canAdjudicate && appData.checkMates) {
6807 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6808 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6809 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6810 "Xboard adjudication: King destroyed", GE_XBOARD );
6815 /* Bare King in Shatranj (loses) or Losers (wins) */
6816 if( nrW == 1 || nrB == 1) {
6817 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6818 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6819 if(canAdjudicate && appData.checkMates) {
6821 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6822 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6823 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6824 "Xboard adjudication: Bare king", GE_XBOARD );
6828 if( gameInfo.variant == VariantShatranj && --bare < 0)
6830 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6831 if(canAdjudicate && appData.checkMates) {
6832 /* but only adjudicate if adjudication enabled */
6834 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6835 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6836 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6837 "Xboard adjudication: Bare king", GE_XBOARD );
6844 // don't wait for engine to announce game end if we can judge ourselves
6845 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6847 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6848 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6849 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6850 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6853 reason = "Xboard adjudication: 3rd check";
6854 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6864 reason = "Xboard adjudication: Stalemate";
6865 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6866 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6867 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6868 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6869 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6870 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6871 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6872 EP_CHECKMATE : EP_WINS);
6873 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6874 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6878 reason = "Xboard adjudication: Checkmate";
6879 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6883 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6885 result = GameIsDrawn; break;
6887 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6889 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6893 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6895 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6896 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6897 GameEnds( result, reason, GE_XBOARD );
6901 /* Next absolutely insufficient mating material. */
6902 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6903 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6904 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6906 /* always flag draws, for judging claims */
6907 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6909 if(canAdjudicate && appData.materialDraws) {
6910 /* but only adjudicate them if adjudication enabled */
6911 if(engineOpponent) {
6912 SendToProgram("force\n", engineOpponent); // suppress reply
6913 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6915 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6916 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6921 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6922 if(gameInfo.variant == VariantXiangqi ?
6923 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6925 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6926 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6927 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6928 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6930 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6931 { /* if the first 3 moves do not show a tactical win, declare draw */
6932 if(engineOpponent) {
6933 SendToProgram("force\n", engineOpponent); // suppress reply
6934 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6936 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6937 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6940 } else moveCount = 6;
6942 if (appData.debugMode) { int i;
6943 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6944 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6945 appData.drawRepeats);
6946 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6947 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6951 // Repetition draws and 50-move rule can be applied independently of legality testing
6953 /* Check for rep-draws */
6955 for(k = forwardMostMove-2;
6956 k>=backwardMostMove && k>=forwardMostMove-100 &&
6957 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6958 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6961 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6962 /* compare castling rights */
6963 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6964 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6965 rights++; /* King lost rights, while rook still had them */
6966 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6967 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6968 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6969 rights++; /* but at least one rook lost them */
6971 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6972 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6974 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6975 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6976 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6979 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6980 && appData.drawRepeats > 1) {
6981 /* adjudicate after user-specified nr of repeats */
6982 int result = GameIsDrawn;
6983 char *details = "XBoard adjudication: repetition draw";
6984 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6985 // [HGM] xiangqi: check for forbidden perpetuals
6986 int m, ourPerpetual = 1, hisPerpetual = 1;
6987 for(m=forwardMostMove; m>k; m-=2) {
6988 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6989 ourPerpetual = 0; // the current mover did not always check
6990 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6991 hisPerpetual = 0; // the opponent did not always check
6993 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6994 ourPerpetual, hisPerpetual);
6995 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6996 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6997 details = "Xboard adjudication: perpetual checking";
6999 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7000 break; // (or we would have caught him before). Abort repetition-checking loop.
7002 // Now check for perpetual chases
7003 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7004 hisPerpetual = PerpetualChase(k, forwardMostMove);
7005 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7006 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7007 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7008 details = "Xboard adjudication: perpetual chasing";
7010 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7011 break; // Abort repetition-checking loop.
7013 // if neither of us is checking or chasing all the time, or both are, it is draw
7015 if(engineOpponent) {
7016 SendToProgram("force\n", engineOpponent); // suppress reply
7017 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7019 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7020 GameEnds( result, details, GE_XBOARD );
7023 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7024 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7028 /* Now we test for 50-move draws. Determine ply count */
7029 count = forwardMostMove;
7030 /* look for last irreversble move */
7031 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7033 /* if we hit starting position, add initial plies */
7034 if( count == backwardMostMove )
7035 count -= initialRulePlies;
7036 count = forwardMostMove - count;
7037 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7038 // adjust reversible move counter for checks in Xiangqi
7039 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7040 if(i < backwardMostMove) i = backwardMostMove;
7041 while(i <= forwardMostMove) {
7042 lastCheck = inCheck; // check evasion does not count
7043 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7044 if(inCheck || lastCheck) count--; // check does not count
7049 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7050 /* this is used to judge if draw claims are legal */
7051 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7052 if(engineOpponent) {
7053 SendToProgram("force\n", engineOpponent); // suppress reply
7054 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7056 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7057 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7061 /* if draw offer is pending, treat it as a draw claim
7062 * when draw condition present, to allow engines a way to
7063 * claim draws before making their move to avoid a race
7064 * condition occurring after their move
7066 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7068 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7069 p = "Draw claim: 50-move rule";
7070 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7071 p = "Draw claim: 3-fold repetition";
7072 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7073 p = "Draw claim: insufficient mating material";
7074 if( p != NULL && canAdjudicate) {
7075 if(engineOpponent) {
7076 SendToProgram("force\n", engineOpponent); // suppress reply
7077 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7079 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7080 GameEnds( GameIsDrawn, p, GE_XBOARD );
7085 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7086 if(engineOpponent) {
7087 SendToProgram("force\n", engineOpponent); // suppress reply
7088 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7090 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7091 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7097 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7098 { // [HGM] book: this routine intercepts moves to simulate book replies
7099 char *bookHit = NULL;
7101 //first determine if the incoming move brings opponent into his book
7102 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7103 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7104 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7105 if(bookHit != NULL && !cps->bookSuspend) {
7106 // make sure opponent is not going to reply after receiving move to book position
7107 SendToProgram("force\n", cps);
7108 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7110 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7111 // now arrange restart after book miss
7113 // after a book hit we never send 'go', and the code after the call to this routine
7114 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7116 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7117 SendToProgram(buf, cps);
7118 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7119 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7120 SendToProgram("go\n", cps);
7121 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7122 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7123 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7124 SendToProgram("go\n", cps);
7125 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7127 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7131 ChessProgramState *savedState;
7132 void DeferredBookMove(void)
7134 if(savedState->lastPing != savedState->lastPong)
7135 ScheduleDelayedEvent(DeferredBookMove, 10);
7137 HandleMachineMove(savedMessage, savedState);
7141 HandleMachineMove(message, cps)
7143 ChessProgramState *cps;
7145 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7146 char realname[MSG_SIZ];
7147 int fromX, fromY, toX, toY;
7156 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7158 * Kludge to ignore BEL characters
7160 while (*message == '\007') message++;
7163 * [HGM] engine debug message: ignore lines starting with '#' character
7165 if(cps->debug && *message == '#') return;
7168 * Look for book output
7170 if (cps == &first && bookRequested) {
7171 if (message[0] == '\t' || message[0] == ' ') {
7172 /* Part of the book output is here; append it */
7173 strcat(bookOutput, message);
7174 strcat(bookOutput, " \n");
7176 } else if (bookOutput[0] != NULLCHAR) {
7177 /* All of book output has arrived; display it */
7178 char *p = bookOutput;
7179 while (*p != NULLCHAR) {
7180 if (*p == '\t') *p = ' ';
7183 DisplayInformation(bookOutput);
7184 bookRequested = FALSE;
7185 /* Fall through to parse the current output */
7190 * Look for machine move.
7192 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7193 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7195 /* This method is only useful on engines that support ping */
7196 if (cps->lastPing != cps->lastPong) {
7197 if (gameMode == BeginningOfGame) {
7198 /* Extra move from before last new; ignore */
7199 if (appData.debugMode) {
7200 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7203 if (appData.debugMode) {
7204 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7205 cps->which, gameMode);
7208 SendToProgram("undo\n", cps);
7214 case BeginningOfGame:
7215 /* Extra move from before last reset; ignore */
7216 if (appData.debugMode) {
7217 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7224 /* Extra move after we tried to stop. The mode test is
7225 not a reliable way of detecting this problem, but it's
7226 the best we can do on engines that don't support ping.
7228 if (appData.debugMode) {
7229 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7230 cps->which, gameMode);
7232 SendToProgram("undo\n", cps);
7235 case MachinePlaysWhite:
7236 case IcsPlayingWhite:
7237 machineWhite = TRUE;
7240 case MachinePlaysBlack:
7241 case IcsPlayingBlack:
7242 machineWhite = FALSE;
7245 case TwoMachinesPlay:
7246 machineWhite = (cps->twoMachinesColor[0] == 'w');
7249 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7250 if (appData.debugMode) {
7252 "Ignoring move out of turn by %s, gameMode %d"
7253 ", forwardMost %d\n",
7254 cps->which, gameMode, forwardMostMove);
7259 if (appData.debugMode) { int f = forwardMostMove;
7260 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7261 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7262 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7264 if(cps->alphaRank) AlphaRank(machineMove, 4);
7265 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7266 &fromX, &fromY, &toX, &toY, &promoChar)) {
7267 /* Machine move could not be parsed; ignore it. */
7268 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7269 machineMove, cps->which);
7270 DisplayError(buf1, 0);
7271 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7272 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7273 if (gameMode == TwoMachinesPlay) {
7274 GameEnds(machineWhite ? BlackWins : WhiteWins,
7280 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7281 /* So we have to redo legality test with true e.p. status here, */
7282 /* to make sure an illegal e.p. capture does not slip through, */
7283 /* to cause a forfeit on a justified illegal-move complaint */
7284 /* of the opponent. */
7285 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7287 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7288 fromY, fromX, toY, toX, promoChar);
7289 if (appData.debugMode) {
7291 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7292 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7293 fprintf(debugFP, "castling rights\n");
7295 if(moveType == IllegalMove) {
7296 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7297 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7298 GameEnds(machineWhite ? BlackWins : WhiteWins,
7301 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7302 /* [HGM] Kludge to handle engines that send FRC-style castling
7303 when they shouldn't (like TSCP-Gothic) */
7305 case WhiteASideCastleFR:
7306 case BlackASideCastleFR:
7308 currentMoveString[2]++;
7310 case WhiteHSideCastleFR:
7311 case BlackHSideCastleFR:
7313 currentMoveString[2]--;
7315 default: ; // nothing to do, but suppresses warning of pedantic compilers
7318 hintRequested = FALSE;
7319 lastHint[0] = NULLCHAR;
7320 bookRequested = FALSE;
7321 /* Program may be pondering now */
7322 cps->maybeThinking = TRUE;
7323 if (cps->sendTime == 2) cps->sendTime = 1;
7324 if (cps->offeredDraw) cps->offeredDraw--;
7326 /* currentMoveString is set as a side-effect of ParseOneMove */
7327 safeStrCpy(machineMove, currentMoveString, sizeof(machineMove)/sizeof(machineMove[0]));
7328 strcat(machineMove, "\n");
7329 safeStrCpy(moveList[forwardMostMove], machineMove, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
7331 /* [AS] Save move info*/
7332 pvInfoList[ forwardMostMove ].score = programStats.score;
7333 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7334 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7336 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7338 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7339 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7342 while( count < adjudicateLossPlies ) {
7343 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7346 score = -score; /* Flip score for winning side */
7349 if( score > adjudicateLossThreshold ) {
7356 if( count >= adjudicateLossPlies ) {
7357 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7359 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7360 "Xboard adjudication",
7367 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7370 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7372 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7373 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7375 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7377 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7379 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7380 char buf[3*MSG_SIZ];
7382 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7383 programStats.score / 100.,
7385 programStats.time / 100.,
7386 (unsigned int)programStats.nodes,
7387 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7388 programStats.movelist);
7390 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7395 /* [AS] Clear stats for next move */
7396 ClearProgramStats();
7397 thinkOutput[0] = NULLCHAR;
7398 hiddenThinkOutputState = 0;
7401 if (gameMode == TwoMachinesPlay) {
7402 /* [HGM] relaying draw offers moved to after reception of move */
7403 /* and interpreting offer as claim if it brings draw condition */
7404 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7405 SendToProgram("draw\n", cps->other);
7407 if (cps->other->sendTime) {
7408 SendTimeRemaining(cps->other,
7409 cps->other->twoMachinesColor[0] == 'w');
7411 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7412 if (firstMove && !bookHit) {
7414 if (cps->other->useColors) {
7415 SendToProgram(cps->other->twoMachinesColor, cps->other);
7417 SendToProgram("go\n", cps->other);
7419 cps->other->maybeThinking = TRUE;
7422 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7424 if (!pausing && appData.ringBellAfterMoves) {
7429 * Reenable menu items that were disabled while
7430 * machine was thinking
7432 if (gameMode != TwoMachinesPlay)
7433 SetUserThinkingEnables();
7435 // [HGM] book: after book hit opponent has received move and is now in force mode
7436 // force the book reply into it, and then fake that it outputted this move by jumping
7437 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7439 static char bookMove[MSG_SIZ]; // a bit generous?
7441 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7442 strcat(bookMove, bookHit);
7445 programStats.nodes = programStats.depth = programStats.time =
7446 programStats.score = programStats.got_only_move = 0;
7447 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7449 if(cps->lastPing != cps->lastPong) {
7450 savedMessage = message; // args for deferred call
7452 ScheduleDelayedEvent(DeferredBookMove, 10);
7461 /* Set special modes for chess engines. Later something general
7462 * could be added here; for now there is just one kludge feature,
7463 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7464 * when "xboard" is given as an interactive command.
7466 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7467 cps->useSigint = FALSE;
7468 cps->useSigterm = FALSE;
7470 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7471 ParseFeatures(message+8, cps);
7472 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7475 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
7476 int dummy, s=6; char buf[MSG_SIZ];
7477 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
7478 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
7479 ParseFEN(boards[0], &dummy, message+s);
7480 DrawPosition(TRUE, boards[0]);
7481 startedFromSetupPosition = TRUE;
7484 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7485 * want this, I was asked to put it in, and obliged.
7487 if (!strncmp(message, "setboard ", 9)) {
7488 Board initial_position;
7490 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7492 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7493 DisplayError(_("Bad FEN received from engine"), 0);
7497 CopyBoard(boards[0], initial_position);
7498 initialRulePlies = FENrulePlies;
7499 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7500 else gameMode = MachinePlaysBlack;
7501 DrawPosition(FALSE, boards[currentMove]);
7507 * Look for communication commands
7509 if (!strncmp(message, "telluser ", 9)) {
7510 if(message[9] == '\\' && message[10] == '\\')
7511 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
7512 DisplayNote(message + 9);
7515 if (!strncmp(message, "tellusererror ", 14)) {
7517 if(message[14] == '\\' && message[15] == '\\')
7518 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
7519 DisplayError(message + 14, 0);
7522 if (!strncmp(message, "tellopponent ", 13)) {
7523 if (appData.icsActive) {
7525 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7529 DisplayNote(message + 13);
7533 if (!strncmp(message, "tellothers ", 11)) {
7534 if (appData.icsActive) {
7536 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7542 if (!strncmp(message, "tellall ", 8)) {
7543 if (appData.icsActive) {
7545 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7549 DisplayNote(message + 8);
7553 if (strncmp(message, "warning", 7) == 0) {
7554 /* Undocumented feature, use tellusererror in new code */
7555 DisplayError(message, 0);
7558 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7559 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
7560 strcat(realname, " query");
7561 AskQuestion(realname, buf2, buf1, cps->pr);
7564 /* Commands from the engine directly to ICS. We don't allow these to be
7565 * sent until we are logged on. Crafty kibitzes have been known to
7566 * interfere with the login process.
7569 if (!strncmp(message, "tellics ", 8)) {
7570 SendToICS(message + 8);
7574 if (!strncmp(message, "tellicsnoalias ", 15)) {
7575 SendToICS(ics_prefix);
7576 SendToICS(message + 15);
7580 /* The following are for backward compatibility only */
7581 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7582 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7583 SendToICS(ics_prefix);
7589 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7593 * If the move is illegal, cancel it and redraw the board.
7594 * Also deal with other error cases. Matching is rather loose
7595 * here to accommodate engines written before the spec.
7597 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7598 strncmp(message, "Error", 5) == 0) {
7599 if (StrStr(message, "name") ||
7600 StrStr(message, "rating") || StrStr(message, "?") ||
7601 StrStr(message, "result") || StrStr(message, "board") ||
7602 StrStr(message, "bk") || StrStr(message, "computer") ||
7603 StrStr(message, "variant") || StrStr(message, "hint") ||
7604 StrStr(message, "random") || StrStr(message, "depth") ||
7605 StrStr(message, "accepted")) {
7608 if (StrStr(message, "protover")) {
7609 /* Program is responding to input, so it's apparently done
7610 initializing, and this error message indicates it is
7611 protocol version 1. So we don't need to wait any longer
7612 for it to initialize and send feature commands. */
7613 FeatureDone(cps, 1);
7614 cps->protocolVersion = 1;
7617 cps->maybeThinking = FALSE;
7619 if (StrStr(message, "draw")) {
7620 /* Program doesn't have "draw" command */
7621 cps->sendDrawOffers = 0;
7624 if (cps->sendTime != 1 &&
7625 (StrStr(message, "time") || StrStr(message, "otim"))) {
7626 /* Program apparently doesn't have "time" or "otim" command */
7630 if (StrStr(message, "analyze")) {
7631 cps->analysisSupport = FALSE;
7632 cps->analyzing = FALSE;
7634 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
7635 DisplayError(buf2, 0);
7638 if (StrStr(message, "(no matching move)st")) {
7639 /* Special kludge for GNU Chess 4 only */
7640 cps->stKludge = TRUE;
7641 SendTimeControl(cps, movesPerSession, timeControl,
7642 timeIncrement, appData.searchDepth,
7646 if (StrStr(message, "(no matching move)sd")) {
7647 /* Special kludge for GNU Chess 4 only */
7648 cps->sdKludge = TRUE;
7649 SendTimeControl(cps, movesPerSession, timeControl,
7650 timeIncrement, appData.searchDepth,
7654 if (!StrStr(message, "llegal")) {
7657 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7658 gameMode == IcsIdle) return;
7659 if (forwardMostMove <= backwardMostMove) return;
7660 if (pausing) PauseEvent();
7661 if(appData.forceIllegal) {
7662 // [HGM] illegal: machine refused move; force position after move into it
7663 SendToProgram("force\n", cps);
7664 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7665 // we have a real problem now, as SendBoard will use the a2a3 kludge
7666 // when black is to move, while there might be nothing on a2 or black
7667 // might already have the move. So send the board as if white has the move.
7668 // But first we must change the stm of the engine, as it refused the last move
7669 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7670 if(WhiteOnMove(forwardMostMove)) {
7671 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7672 SendBoard(cps, forwardMostMove); // kludgeless board
7674 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7675 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7676 SendBoard(cps, forwardMostMove+1); // kludgeless board
7678 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7679 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7680 gameMode == TwoMachinesPlay)
7681 SendToProgram("go\n", cps);
7684 if (gameMode == PlayFromGameFile) {
7685 /* Stop reading this game file */
7686 gameMode = EditGame;
7689 currentMove = forwardMostMove-1;
7690 DisplayMove(currentMove-1); /* before DisplayMoveError */
7691 SwitchClocks(forwardMostMove-1); // [HGM] race
7692 DisplayBothClocks();
7693 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
7694 parseList[currentMove], cps->which);
7695 DisplayMoveError(buf1);
7696 DrawPosition(FALSE, boards[currentMove]);
7698 /* [HGM] illegal-move claim should forfeit game when Xboard */
7699 /* only passes fully legal moves */
7700 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7701 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7702 "False illegal-move claim", GE_XBOARD );
7706 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7707 /* Program has a broken "time" command that
7708 outputs a string not ending in newline.
7714 * If chess program startup fails, exit with an error message.
7715 * Attempts to recover here are futile.
7717 if ((StrStr(message, "unknown host") != NULL)
7718 || (StrStr(message, "No remote directory") != NULL)
7719 || (StrStr(message, "not found") != NULL)
7720 || (StrStr(message, "No such file") != NULL)
7721 || (StrStr(message, "can't alloc") != NULL)
7722 || (StrStr(message, "Permission denied") != NULL)) {
7724 cps->maybeThinking = FALSE;
7725 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7726 cps->which, cps->program, cps->host, message);
7727 RemoveInputSource(cps->isr);
7728 DisplayFatalError(buf1, 0, 1);
7733 * Look for hint output
7735 if (sscanf(message, "Hint: %s", buf1) == 1) {
7736 if (cps == &first && hintRequested) {
7737 hintRequested = FALSE;
7738 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7739 &fromX, &fromY, &toX, &toY, &promoChar)) {
7740 (void) CoordsToAlgebraic(boards[forwardMostMove],
7741 PosFlags(forwardMostMove),
7742 fromY, fromX, toY, toX, promoChar, buf1);
7743 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7744 DisplayInformation(buf2);
7746 /* Hint move could not be parsed!? */
7747 snprintf(buf2, sizeof(buf2),
7748 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7750 DisplayError(buf2, 0);
7753 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
7759 * Ignore other messages if game is not in progress
7761 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7762 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7765 * look for win, lose, draw, or draw offer
7767 if (strncmp(message, "1-0", 3) == 0) {
7768 char *p, *q, *r = "";
7769 p = strchr(message, '{');
7777 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7779 } else if (strncmp(message, "0-1", 3) == 0) {
7780 char *p, *q, *r = "";
7781 p = strchr(message, '{');
7789 /* Kludge for Arasan 4.1 bug */
7790 if (strcmp(r, "Black resigns") == 0) {
7791 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7794 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7796 } else if (strncmp(message, "1/2", 3) == 0) {
7797 char *p, *q, *r = "";
7798 p = strchr(message, '{');
7807 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7810 } else if (strncmp(message, "White resign", 12) == 0) {
7811 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7813 } else if (strncmp(message, "Black resign", 12) == 0) {
7814 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7816 } else if (strncmp(message, "White matches", 13) == 0 ||
7817 strncmp(message, "Black matches", 13) == 0 ) {
7818 /* [HGM] ignore GNUShogi noises */
7820 } else if (strncmp(message, "White", 5) == 0 &&
7821 message[5] != '(' &&
7822 StrStr(message, "Black") == NULL) {
7823 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7825 } else if (strncmp(message, "Black", 5) == 0 &&
7826 message[5] != '(') {
7827 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7829 } else if (strcmp(message, "resign") == 0 ||
7830 strcmp(message, "computer resigns") == 0) {
7832 case MachinePlaysBlack:
7833 case IcsPlayingBlack:
7834 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7836 case MachinePlaysWhite:
7837 case IcsPlayingWhite:
7838 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7840 case TwoMachinesPlay:
7841 if (cps->twoMachinesColor[0] == 'w')
7842 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7844 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7851 } else if (strncmp(message, "opponent mates", 14) == 0) {
7853 case MachinePlaysBlack:
7854 case IcsPlayingBlack:
7855 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7857 case MachinePlaysWhite:
7858 case IcsPlayingWhite:
7859 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7861 case TwoMachinesPlay:
7862 if (cps->twoMachinesColor[0] == 'w')
7863 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7865 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7872 } else if (strncmp(message, "computer mates", 14) == 0) {
7874 case MachinePlaysBlack:
7875 case IcsPlayingBlack:
7876 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7878 case MachinePlaysWhite:
7879 case IcsPlayingWhite:
7880 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7882 case TwoMachinesPlay:
7883 if (cps->twoMachinesColor[0] == 'w')
7884 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7886 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7893 } else if (strncmp(message, "checkmate", 9) == 0) {
7894 if (WhiteOnMove(forwardMostMove)) {
7895 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7897 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7900 } else if (strstr(message, "Draw") != NULL ||
7901 strstr(message, "game is a draw") != NULL) {
7902 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7904 } else if (strstr(message, "offer") != NULL &&
7905 strstr(message, "draw") != NULL) {
7907 if (appData.zippyPlay && first.initDone) {
7908 /* Relay offer to ICS */
7909 SendToICS(ics_prefix);
7910 SendToICS("draw\n");
7913 cps->offeredDraw = 2; /* valid until this engine moves twice */
7914 if (gameMode == TwoMachinesPlay) {
7915 if (cps->other->offeredDraw) {
7916 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7917 /* [HGM] in two-machine mode we delay relaying draw offer */
7918 /* until after we also have move, to see if it is really claim */
7920 } else if (gameMode == MachinePlaysWhite ||
7921 gameMode == MachinePlaysBlack) {
7922 if (userOfferedDraw) {
7923 DisplayInformation(_("Machine accepts your draw offer"));
7924 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7926 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7933 * Look for thinking output
7935 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7936 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7938 int plylev, mvleft, mvtot, curscore, time;
7939 char mvname[MOVE_LEN];
7943 int prefixHint = FALSE;
7944 mvname[0] = NULLCHAR;
7947 case MachinePlaysBlack:
7948 case IcsPlayingBlack:
7949 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7951 case MachinePlaysWhite:
7952 case IcsPlayingWhite:
7953 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7958 case IcsObserving: /* [DM] icsEngineAnalyze */
7959 if (!appData.icsEngineAnalyze) ignore = TRUE;
7961 case TwoMachinesPlay:
7962 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7972 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7974 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7975 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7977 if (plyext != ' ' && plyext != '\t') {
7981 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7982 if( cps->scoreIsAbsolute &&
7983 ( gameMode == MachinePlaysBlack ||
7984 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7985 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7986 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7987 !WhiteOnMove(currentMove)
7990 curscore = -curscore;
7994 tempStats.depth = plylev;
7995 tempStats.nodes = nodes;
7996 tempStats.time = time;
7997 tempStats.score = curscore;
7998 tempStats.got_only_move = 0;
8000 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8003 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8004 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8005 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8006 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8007 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8008 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8009 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8010 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8013 /* Buffer overflow protection */
8014 if (buf1[0] != NULLCHAR) {
8015 if (strlen(buf1) >= sizeof(tempStats.movelist)
8016 && appData.debugMode) {
8018 "PV is too long; using the first %u bytes.\n",
8019 (unsigned) sizeof(tempStats.movelist) - 1);
8022 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8024 sprintf(tempStats.movelist, " no PV\n");
8027 if (tempStats.seen_stat) {
8028 tempStats.ok_to_send = 1;
8031 if (strchr(tempStats.movelist, '(') != NULL) {
8032 tempStats.line_is_book = 1;
8033 tempStats.nr_moves = 0;
8034 tempStats.moves_left = 0;
8036 tempStats.line_is_book = 0;
8039 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8040 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8042 SendProgramStatsToFrontend( cps, &tempStats );
8045 [AS] Protect the thinkOutput buffer from overflow... this
8046 is only useful if buf1 hasn't overflowed first!
8048 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8050 (gameMode == TwoMachinesPlay ?
8051 ToUpper(cps->twoMachinesColor[0]) : ' '),
8052 ((double) curscore) / 100.0,
8053 prefixHint ? lastHint : "",
8054 prefixHint ? " " : "" );
8056 if( buf1[0] != NULLCHAR ) {
8057 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8059 if( strlen(buf1) > max_len ) {
8060 if( appData.debugMode) {
8061 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8063 buf1[max_len+1] = '\0';
8066 strcat( thinkOutput, buf1 );
8069 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8070 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8071 DisplayMove(currentMove - 1);
8075 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8076 /* crafty (9.25+) says "(only move) <move>"
8077 * if there is only 1 legal move
8079 sscanf(p, "(only move) %s", buf1);
8080 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8081 sprintf(programStats.movelist, "%s (only move)", buf1);
8082 programStats.depth = 1;
8083 programStats.nr_moves = 1;
8084 programStats.moves_left = 1;
8085 programStats.nodes = 1;
8086 programStats.time = 1;
8087 programStats.got_only_move = 1;
8089 /* Not really, but we also use this member to
8090 mean "line isn't going to change" (Crafty
8091 isn't searching, so stats won't change) */
8092 programStats.line_is_book = 1;
8094 SendProgramStatsToFrontend( cps, &programStats );
8096 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8097 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8098 DisplayMove(currentMove - 1);
8101 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8102 &time, &nodes, &plylev, &mvleft,
8103 &mvtot, mvname) >= 5) {
8104 /* The stat01: line is from Crafty (9.29+) in response
8105 to the "." command */
8106 programStats.seen_stat = 1;
8107 cps->maybeThinking = TRUE;
8109 if (programStats.got_only_move || !appData.periodicUpdates)
8112 programStats.depth = plylev;
8113 programStats.time = time;
8114 programStats.nodes = nodes;
8115 programStats.moves_left = mvleft;
8116 programStats.nr_moves = mvtot;
8117 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8118 programStats.ok_to_send = 1;
8119 programStats.movelist[0] = '\0';
8121 SendProgramStatsToFrontend( cps, &programStats );
8125 } else if (strncmp(message,"++",2) == 0) {
8126 /* Crafty 9.29+ outputs this */
8127 programStats.got_fail = 2;
8130 } else if (strncmp(message,"--",2) == 0) {
8131 /* Crafty 9.29+ outputs this */
8132 programStats.got_fail = 1;
8135 } else if (thinkOutput[0] != NULLCHAR &&
8136 strncmp(message, " ", 4) == 0) {
8137 unsigned message_len;
8140 while (*p && *p == ' ') p++;
8142 message_len = strlen( p );
8144 /* [AS] Avoid buffer overflow */
8145 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8146 strcat(thinkOutput, " ");
8147 strcat(thinkOutput, p);
8150 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8151 strcat(programStats.movelist, " ");
8152 strcat(programStats.movelist, p);
8155 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8156 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8157 DisplayMove(currentMove - 1);
8165 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8166 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8168 ChessProgramStats cpstats;
8170 if (plyext != ' ' && plyext != '\t') {
8174 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8175 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8176 curscore = -curscore;
8179 cpstats.depth = plylev;
8180 cpstats.nodes = nodes;
8181 cpstats.time = time;
8182 cpstats.score = curscore;
8183 cpstats.got_only_move = 0;
8184 cpstats.movelist[0] = '\0';
8186 if (buf1[0] != NULLCHAR) {
8187 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8190 cpstats.ok_to_send = 0;
8191 cpstats.line_is_book = 0;
8192 cpstats.nr_moves = 0;
8193 cpstats.moves_left = 0;
8195 SendProgramStatsToFrontend( cps, &cpstats );
8202 /* Parse a game score from the character string "game", and
8203 record it as the history of the current game. The game
8204 score is NOT assumed to start from the standard position.
8205 The display is not updated in any way.
8208 ParseGameHistory(game)
8212 int fromX, fromY, toX, toY, boardIndex;
8217 if (appData.debugMode)
8218 fprintf(debugFP, "Parsing game history: %s\n", game);
8220 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8221 gameInfo.site = StrSave(appData.icsHost);
8222 gameInfo.date = PGNDate();
8223 gameInfo.round = StrSave("-");
8225 /* Parse out names of players */
8226 while (*game == ' ') game++;
8228 while (*game != ' ') *p++ = *game++;
8230 gameInfo.white = StrSave(buf);
8231 while (*game == ' ') game++;
8233 while (*game != ' ' && *game != '\n') *p++ = *game++;
8235 gameInfo.black = StrSave(buf);
8238 boardIndex = blackPlaysFirst ? 1 : 0;
8241 yyboardindex = boardIndex;
8242 moveType = (ChessMove) Myylex();
8244 case IllegalMove: /* maybe suicide chess, etc. */
8245 if (appData.debugMode) {
8246 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8247 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8248 setbuf(debugFP, NULL);
8250 case WhitePromotion:
8251 case BlackPromotion:
8252 case WhiteNonPromotion:
8253 case BlackNonPromotion:
8255 case WhiteCapturesEnPassant:
8256 case BlackCapturesEnPassant:
8257 case WhiteKingSideCastle:
8258 case WhiteQueenSideCastle:
8259 case BlackKingSideCastle:
8260 case BlackQueenSideCastle:
8261 case WhiteKingSideCastleWild:
8262 case WhiteQueenSideCastleWild:
8263 case BlackKingSideCastleWild:
8264 case BlackQueenSideCastleWild:
8266 case WhiteHSideCastleFR:
8267 case WhiteASideCastleFR:
8268 case BlackHSideCastleFR:
8269 case BlackASideCastleFR:
8271 fromX = currentMoveString[0] - AAA;
8272 fromY = currentMoveString[1] - ONE;
8273 toX = currentMoveString[2] - AAA;
8274 toY = currentMoveString[3] - ONE;
8275 promoChar = currentMoveString[4];
8279 fromX = moveType == WhiteDrop ?
8280 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8281 (int) CharToPiece(ToLower(currentMoveString[0]));
8283 toX = currentMoveString[2] - AAA;
8284 toY = currentMoveString[3] - ONE;
8285 promoChar = NULLCHAR;
8289 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8290 if (appData.debugMode) {
8291 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8292 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8293 setbuf(debugFP, NULL);
8295 DisplayError(buf, 0);
8297 case ImpossibleMove:
8299 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8300 if (appData.debugMode) {
8301 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8302 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8303 setbuf(debugFP, NULL);
8305 DisplayError(buf, 0);
8308 if (boardIndex < backwardMostMove) {
8309 /* Oops, gap. How did that happen? */
8310 DisplayError(_("Gap in move list"), 0);
8313 backwardMostMove = blackPlaysFirst ? 1 : 0;
8314 if (boardIndex > forwardMostMove) {
8315 forwardMostMove = boardIndex;
8319 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8320 strcat(parseList[boardIndex-1], " ");
8321 strcat(parseList[boardIndex-1], yy_text);
8333 case GameUnfinished:
8334 if (gameMode == IcsExamining) {
8335 if (boardIndex < backwardMostMove) {
8336 /* Oops, gap. How did that happen? */
8339 backwardMostMove = blackPlaysFirst ? 1 : 0;
8342 gameInfo.result = moveType;
8343 p = strchr(yy_text, '{');
8344 if (p == NULL) p = strchr(yy_text, '(');
8347 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8349 q = strchr(p, *p == '{' ? '}' : ')');
8350 if (q != NULL) *q = NULLCHAR;
8353 gameInfo.resultDetails = StrSave(p);
8356 if (boardIndex >= forwardMostMove &&
8357 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8358 backwardMostMove = blackPlaysFirst ? 1 : 0;
8361 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8362 fromY, fromX, toY, toX, promoChar,
8363 parseList[boardIndex]);
8364 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8365 /* currentMoveString is set as a side-effect of yylex */
8366 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8367 strcat(moveList[boardIndex], "\n");
8369 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8370 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8376 if(gameInfo.variant != VariantShogi)
8377 strcat(parseList[boardIndex - 1], "+");
8381 strcat(parseList[boardIndex - 1], "#");
8388 /* Apply a move to the given board */
8390 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8391 int fromX, fromY, toX, toY;
8395 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8396 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8398 /* [HGM] compute & store e.p. status and castling rights for new position */
8399 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8401 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8402 oldEP = (signed char)board[EP_STATUS];
8403 board[EP_STATUS] = EP_NONE;
8405 if( board[toY][toX] != EmptySquare )
8406 board[EP_STATUS] = EP_CAPTURE;
8408 if (fromY == DROP_RANK) {
8410 piece = board[toY][toX] = (ChessSquare) fromX;
8414 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
8415 if( gameInfo.variant == VariantFairy ) board[EP_STATUS] = EP_PAWN_MOVE; // Lance in fairy is Pawn-like
8417 if( board[fromY][fromX] == WhitePawn ) {
8418 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8419 board[EP_STATUS] = EP_PAWN_MOVE;
8421 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8422 gameInfo.variant != VariantBerolina || toX < fromX)
8423 board[EP_STATUS] = toX | berolina;
8424 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8425 gameInfo.variant != VariantBerolina || toX > fromX)
8426 board[EP_STATUS] = toX;
8429 if( board[fromY][fromX] == BlackPawn ) {
8430 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8431 board[EP_STATUS] = EP_PAWN_MOVE;
8432 if( toY-fromY== -2) {
8433 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8434 gameInfo.variant != VariantBerolina || toX < fromX)
8435 board[EP_STATUS] = toX | berolina;
8436 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8437 gameInfo.variant != VariantBerolina || toX > fromX)
8438 board[EP_STATUS] = toX;
8442 for(i=0; i<nrCastlingRights; i++) {
8443 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8444 board[CASTLING][i] == toX && castlingRank[i] == toY
8445 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8448 if (fromX == toX && fromY == toY) return;
8450 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8451 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8452 if(gameInfo.variant == VariantKnightmate)
8453 king += (int) WhiteUnicorn - (int) WhiteKing;
8455 /* Code added by Tord: */
8456 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
8457 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
8458 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
8459 board[fromY][fromX] = EmptySquare;
8460 board[toY][toX] = EmptySquare;
8461 if((toX > fromX) != (piece == WhiteRook)) {
8462 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8464 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8466 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
8467 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
8468 board[fromY][fromX] = EmptySquare;
8469 board[toY][toX] = EmptySquare;
8470 if((toX > fromX) != (piece == BlackRook)) {
8471 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8473 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8475 /* End of code added by Tord */
8477 } else if (board[fromY][fromX] == king
8478 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8479 && toY == fromY && toX > fromX+1) {
8480 board[fromY][fromX] = EmptySquare;
8481 board[toY][toX] = king;
8482 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8483 board[fromY][BOARD_RGHT-1] = EmptySquare;
8484 } else if (board[fromY][fromX] == king
8485 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8486 && toY == fromY && toX < fromX-1) {
8487 board[fromY][fromX] = EmptySquare;
8488 board[toY][toX] = king;
8489 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8490 board[fromY][BOARD_LEFT] = EmptySquare;
8491 } else if (board[fromY][fromX] == WhitePawn
8492 && toY >= BOARD_HEIGHT-promoRank
8493 && gameInfo.variant != VariantXiangqi
8495 /* white pawn promotion */
8496 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8497 if (board[toY][toX] == EmptySquare) {
8498 board[toY][toX] = WhiteQueen;
8500 if(gameInfo.variant==VariantBughouse ||
8501 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8502 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8503 board[fromY][fromX] = EmptySquare;
8504 } else if ((fromY == BOARD_HEIGHT-4)
8506 && gameInfo.variant != VariantXiangqi
8507 && gameInfo.variant != VariantBerolina
8508 && (board[fromY][fromX] == WhitePawn)
8509 && (board[toY][toX] == EmptySquare)) {
8510 board[fromY][fromX] = EmptySquare;
8511 board[toY][toX] = WhitePawn;
8512 captured = board[toY - 1][toX];
8513 board[toY - 1][toX] = EmptySquare;
8514 } else if ((fromY == BOARD_HEIGHT-4)
8516 && gameInfo.variant == VariantBerolina
8517 && (board[fromY][fromX] == WhitePawn)
8518 && (board[toY][toX] == EmptySquare)) {
8519 board[fromY][fromX] = EmptySquare;
8520 board[toY][toX] = WhitePawn;
8521 if(oldEP & EP_BEROLIN_A) {
8522 captured = board[fromY][fromX-1];
8523 board[fromY][fromX-1] = EmptySquare;
8524 }else{ captured = board[fromY][fromX+1];
8525 board[fromY][fromX+1] = EmptySquare;
8527 } else if (board[fromY][fromX] == king
8528 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8529 && toY == fromY && toX > fromX+1) {
8530 board[fromY][fromX] = EmptySquare;
8531 board[toY][toX] = king;
8532 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8533 board[fromY][BOARD_RGHT-1] = EmptySquare;
8534 } else if (board[fromY][fromX] == king
8535 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8536 && toY == fromY && toX < fromX-1) {
8537 board[fromY][fromX] = EmptySquare;
8538 board[toY][toX] = king;
8539 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8540 board[fromY][BOARD_LEFT] = EmptySquare;
8541 } else if (fromY == 7 && fromX == 3
8542 && board[fromY][fromX] == BlackKing
8543 && toY == 7 && toX == 5) {
8544 board[fromY][fromX] = EmptySquare;
8545 board[toY][toX] = BlackKing;
8546 board[fromY][7] = EmptySquare;
8547 board[toY][4] = BlackRook;
8548 } else if (fromY == 7 && fromX == 3
8549 && board[fromY][fromX] == BlackKing
8550 && toY == 7 && toX == 1) {
8551 board[fromY][fromX] = EmptySquare;
8552 board[toY][toX] = BlackKing;
8553 board[fromY][0] = EmptySquare;
8554 board[toY][2] = BlackRook;
8555 } else if (board[fromY][fromX] == BlackPawn
8557 && gameInfo.variant != VariantXiangqi
8559 /* black pawn promotion */
8560 board[toY][toX] = CharToPiece(ToLower(promoChar));
8561 if (board[toY][toX] == EmptySquare) {
8562 board[toY][toX] = BlackQueen;
8564 if(gameInfo.variant==VariantBughouse ||
8565 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8566 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8567 board[fromY][fromX] = EmptySquare;
8568 } else if ((fromY == 3)
8570 && gameInfo.variant != VariantXiangqi
8571 && gameInfo.variant != VariantBerolina
8572 && (board[fromY][fromX] == BlackPawn)
8573 && (board[toY][toX] == EmptySquare)) {
8574 board[fromY][fromX] = EmptySquare;
8575 board[toY][toX] = BlackPawn;
8576 captured = board[toY + 1][toX];
8577 board[toY + 1][toX] = EmptySquare;
8578 } else if ((fromY == 3)
8580 && gameInfo.variant == VariantBerolina
8581 && (board[fromY][fromX] == BlackPawn)
8582 && (board[toY][toX] == EmptySquare)) {
8583 board[fromY][fromX] = EmptySquare;
8584 board[toY][toX] = BlackPawn;
8585 if(oldEP & EP_BEROLIN_A) {
8586 captured = board[fromY][fromX-1];
8587 board[fromY][fromX-1] = EmptySquare;
8588 }else{ captured = board[fromY][fromX+1];
8589 board[fromY][fromX+1] = EmptySquare;
8592 board[toY][toX] = board[fromY][fromX];
8593 board[fromY][fromX] = EmptySquare;
8597 if (gameInfo.holdingsWidth != 0) {
8599 /* !!A lot more code needs to be written to support holdings */
8600 /* [HGM] OK, so I have written it. Holdings are stored in the */
8601 /* penultimate board files, so they are automaticlly stored */
8602 /* in the game history. */
8603 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
8604 && promoChar && piece != WhitePawn && piece != BlackPawn) {
8605 /* Delete from holdings, by decreasing count */
8606 /* and erasing image if necessary */
8607 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
8608 if(p < (int) BlackPawn) { /* white drop */
8609 p -= (int)WhitePawn;
8610 p = PieceToNumber((ChessSquare)p);
8611 if(p >= gameInfo.holdingsSize) p = 0;
8612 if(--board[p][BOARD_WIDTH-2] <= 0)
8613 board[p][BOARD_WIDTH-1] = EmptySquare;
8614 if((int)board[p][BOARD_WIDTH-2] < 0)
8615 board[p][BOARD_WIDTH-2] = 0;
8616 } else { /* black drop */
8617 p -= (int)BlackPawn;
8618 p = PieceToNumber((ChessSquare)p);
8619 if(p >= gameInfo.holdingsSize) p = 0;
8620 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8621 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8622 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8623 board[BOARD_HEIGHT-1-p][1] = 0;
8626 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8627 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
8628 /* [HGM] holdings: Add to holdings, if holdings exist */
8629 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8630 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8631 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8634 if (p >= (int) BlackPawn) {
8635 p -= (int)BlackPawn;
8636 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8637 /* in Shogi restore piece to its original first */
8638 captured = (ChessSquare) (DEMOTED captured);
8641 p = PieceToNumber((ChessSquare)p);
8642 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8643 board[p][BOARD_WIDTH-2]++;
8644 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8646 p -= (int)WhitePawn;
8647 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8648 captured = (ChessSquare) (DEMOTED captured);
8651 p = PieceToNumber((ChessSquare)p);
8652 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8653 board[BOARD_HEIGHT-1-p][1]++;
8654 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8657 } else if (gameInfo.variant == VariantAtomic) {
8658 if (captured != EmptySquare) {
8660 for (y = toY-1; y <= toY+1; y++) {
8661 for (x = toX-1; x <= toX+1; x++) {
8662 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8663 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8664 board[y][x] = EmptySquare;
8668 board[toY][toX] = EmptySquare;
8671 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
8672 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
8674 if(promoChar == '+') {
8675 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8676 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8677 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
8678 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
8680 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8681 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8682 // [HGM] superchess: take promotion piece out of holdings
8683 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8684 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8685 if(!--board[k][BOARD_WIDTH-2])
8686 board[k][BOARD_WIDTH-1] = EmptySquare;
8688 if(!--board[BOARD_HEIGHT-1-k][1])
8689 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8695 /* Updates forwardMostMove */
8697 MakeMove(fromX, fromY, toX, toY, promoChar)
8698 int fromX, fromY, toX, toY;
8701 // forwardMostMove++; // [HGM] bare: moved downstream
8703 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8704 int timeLeft; static int lastLoadFlag=0; int king, piece;
8705 piece = boards[forwardMostMove][fromY][fromX];
8706 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8707 if(gameInfo.variant == VariantKnightmate)
8708 king += (int) WhiteUnicorn - (int) WhiteKing;
8709 if(forwardMostMove == 0) {
8711 fprintf(serverMoves, "%s;", second.tidy);
8712 fprintf(serverMoves, "%s;", first.tidy);
8713 if(!blackPlaysFirst)
8714 fprintf(serverMoves, "%s;", second.tidy);
8715 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8716 lastLoadFlag = loadFlag;
8718 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8719 // print castling suffix
8720 if( toY == fromY && piece == king ) {
8722 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8724 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8727 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8728 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8729 boards[forwardMostMove][toY][toX] == EmptySquare
8730 && fromX != toX && fromY != toY)
8731 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8733 if(promoChar != NULLCHAR)
8734 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8736 fprintf(serverMoves, "/%d/%d",
8737 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8738 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8739 else timeLeft = blackTimeRemaining/1000;
8740 fprintf(serverMoves, "/%d", timeLeft);
8742 fflush(serverMoves);
8745 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8746 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8750 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8751 if (commentList[forwardMostMove+1] != NULL) {
8752 free(commentList[forwardMostMove+1]);
8753 commentList[forwardMostMove+1] = NULL;
8755 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8756 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8757 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8758 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8759 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8760 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8761 gameInfo.result = GameUnfinished;
8762 if (gameInfo.resultDetails != NULL) {
8763 free(gameInfo.resultDetails);
8764 gameInfo.resultDetails = NULL;
8766 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8767 moveList[forwardMostMove - 1]);
8768 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8769 PosFlags(forwardMostMove - 1),
8770 fromY, fromX, toY, toX, promoChar,
8771 parseList[forwardMostMove - 1]);
8772 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8778 if(gameInfo.variant != VariantShogi)
8779 strcat(parseList[forwardMostMove - 1], "+");
8783 strcat(parseList[forwardMostMove - 1], "#");
8786 if (appData.debugMode) {
8787 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8792 /* Updates currentMove if not pausing */
8794 ShowMove(fromX, fromY, toX, toY)
8796 int instant = (gameMode == PlayFromGameFile) ?
8797 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8798 if(appData.noGUI) return;
8799 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8801 if (forwardMostMove == currentMove + 1) {
8802 AnimateMove(boards[forwardMostMove - 1],
8803 fromX, fromY, toX, toY);
8805 if (appData.highlightLastMove) {
8806 SetHighlights(fromX, fromY, toX, toY);
8809 currentMove = forwardMostMove;
8812 if (instant) return;
8814 DisplayMove(currentMove - 1);
8815 DrawPosition(FALSE, boards[currentMove]);
8816 DisplayBothClocks();
8817 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8820 void SendEgtPath(ChessProgramState *cps)
8821 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8822 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8824 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8827 char c, *q = name+1, *r, *s;
8829 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8830 while(*p && *p != ',') *q++ = *p++;
8832 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8833 strcmp(name, ",nalimov:") == 0 ) {
8834 // take nalimov path from the menu-changeable option first, if it is defined
8835 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8836 SendToProgram(buf,cps); // send egtbpath command for nalimov
8838 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8839 (s = StrStr(appData.egtFormats, name)) != NULL) {
8840 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8841 s = r = StrStr(s, ":") + 1; // beginning of path info
8842 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8843 c = *r; *r = 0; // temporarily null-terminate path info
8844 *--q = 0; // strip of trailig ':' from name
8845 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8847 SendToProgram(buf,cps); // send egtbpath command for this format
8849 if(*p == ',') p++; // read away comma to position for next format name
8854 InitChessProgram(cps, setup)
8855 ChessProgramState *cps;
8856 int setup; /* [HGM] needed to setup FRC opening position */
8858 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8859 if (appData.noChessProgram) return;
8860 hintRequested = FALSE;
8861 bookRequested = FALSE;
8863 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8864 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8865 if(cps->memSize) { /* [HGM] memory */
8866 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8867 SendToProgram(buf, cps);
8869 SendEgtPath(cps); /* [HGM] EGT */
8870 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8871 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8872 SendToProgram(buf, cps);
8875 SendToProgram(cps->initString, cps);
8876 if (gameInfo.variant != VariantNormal &&
8877 gameInfo.variant != VariantLoadable
8878 /* [HGM] also send variant if board size non-standard */
8879 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8881 char *v = VariantName(gameInfo.variant);
8882 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8883 /* [HGM] in protocol 1 we have to assume all variants valid */
8884 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8885 DisplayFatalError(buf, 0, 1);
8889 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8890 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8891 if( gameInfo.variant == VariantXiangqi )
8892 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8893 if( gameInfo.variant == VariantShogi )
8894 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8895 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8896 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8897 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8898 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8899 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8900 if( gameInfo.variant == VariantCourier )
8901 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8902 if( gameInfo.variant == VariantSuper )
8903 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8904 if( gameInfo.variant == VariantGreat )
8905 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8906 if( gameInfo.variant == VariantSChess )
8907 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
8910 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8911 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8912 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8913 if(StrStr(cps->variants, b) == NULL) {
8914 // specific sized variant not known, check if general sizing allowed
8915 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8916 if(StrStr(cps->variants, "boardsize") == NULL) {
8917 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8918 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8919 DisplayFatalError(buf, 0, 1);
8922 /* [HGM] here we really should compare with the maximum supported board size */
8925 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8926 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8927 SendToProgram(buf, cps);
8929 currentlyInitializedVariant = gameInfo.variant;
8931 /* [HGM] send opening position in FRC to first engine */
8933 SendToProgram("force\n", cps);
8935 /* engine is now in force mode! Set flag to wake it up after first move. */
8936 setboardSpoiledMachineBlack = 1;
8940 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8941 SendToProgram(buf, cps);
8943 cps->maybeThinking = FALSE;
8944 cps->offeredDraw = 0;
8945 if (!appData.icsActive) {
8946 SendTimeControl(cps, movesPerSession, timeControl,
8947 timeIncrement, appData.searchDepth,
8950 if (appData.showThinking
8951 // [HGM] thinking: four options require thinking output to be sent
8952 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8954 SendToProgram("post\n", cps);
8956 SendToProgram("hard\n", cps);
8957 if (!appData.ponderNextMove) {
8958 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8959 it without being sure what state we are in first. "hard"
8960 is not a toggle, so that one is OK.
8962 SendToProgram("easy\n", cps);
8965 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8966 SendToProgram(buf, cps);
8968 cps->initDone = TRUE;
8973 StartChessProgram(cps)
8974 ChessProgramState *cps;
8979 if (appData.noChessProgram) return;
8980 cps->initDone = FALSE;
8982 if (strcmp(cps->host, "localhost") == 0) {
8983 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8984 } else if (*appData.remoteShell == NULLCHAR) {
8985 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8987 if (*appData.remoteUser == NULLCHAR) {
8988 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8991 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8992 cps->host, appData.remoteUser, cps->program);
8994 err = StartChildProcess(buf, "", &cps->pr);
8998 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
8999 DisplayFatalError(buf, err, 1);
9005 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9006 if (cps->protocolVersion > 1) {
9007 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9008 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9009 cps->comboCnt = 0; // and values of combo boxes
9010 SendToProgram(buf, cps);
9012 SendToProgram("xboard\n", cps);
9018 TwoMachinesEventIfReady P((void))
9020 if (first.lastPing != first.lastPong) {
9021 DisplayMessage("", _("Waiting for first chess program"));
9022 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9025 if (second.lastPing != second.lastPong) {
9026 DisplayMessage("", _("Waiting for second chess program"));
9027 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9035 NextMatchGame P((void))
9037 int index; /* [HGM] autoinc: step load index during match */
9039 if (*appData.loadGameFile != NULLCHAR) {
9040 index = appData.loadGameIndex;
9041 if(index < 0) { // [HGM] autoinc
9042 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9043 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9045 LoadGameFromFile(appData.loadGameFile,
9047 appData.loadGameFile, FALSE);
9048 } else if (*appData.loadPositionFile != NULLCHAR) {
9049 index = appData.loadPositionIndex;
9050 if(index < 0) { // [HGM] autoinc
9051 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9052 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9054 LoadPositionFromFile(appData.loadPositionFile,
9056 appData.loadPositionFile);
9058 TwoMachinesEventIfReady();
9061 void UserAdjudicationEvent( int result )
9063 ChessMove gameResult = GameIsDrawn;
9066 gameResult = WhiteWins;
9068 else if( result < 0 ) {
9069 gameResult = BlackWins;
9072 if( gameMode == TwoMachinesPlay ) {
9073 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9078 // [HGM] save: calculate checksum of game to make games easily identifiable
9079 int StringCheckSum(char *s)
9082 if(s==NULL) return 0;
9083 while(*s) i = i*259 + *s++;
9090 for(i=backwardMostMove; i<forwardMostMove; i++) {
9091 sum += pvInfoList[i].depth;
9092 sum += StringCheckSum(parseList[i]);
9093 sum += StringCheckSum(commentList[i]);
9096 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9097 return sum + StringCheckSum(commentList[i]);
9098 } // end of save patch
9101 GameEnds(result, resultDetails, whosays)
9103 char *resultDetails;
9106 GameMode nextGameMode;
9108 char buf[MSG_SIZ], popupRequested = 0;
9110 if(endingGame) return; /* [HGM] crash: forbid recursion */
9112 if(twoBoards) { // [HGM] dual: switch back to one board
9113 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9114 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9116 if (appData.debugMode) {
9117 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9118 result, resultDetails ? resultDetails : "(null)", whosays);
9121 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9123 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9124 /* If we are playing on ICS, the server decides when the
9125 game is over, but the engine can offer to draw, claim
9129 if (appData.zippyPlay && first.initDone) {
9130 if (result == GameIsDrawn) {
9131 /* In case draw still needs to be claimed */
9132 SendToICS(ics_prefix);
9133 SendToICS("draw\n");
9134 } else if (StrCaseStr(resultDetails, "resign")) {
9135 SendToICS(ics_prefix);
9136 SendToICS("resign\n");
9140 endingGame = 0; /* [HGM] crash */
9144 /* If we're loading the game from a file, stop */
9145 if (whosays == GE_FILE) {
9146 (void) StopLoadGameTimer();
9150 /* Cancel draw offers */
9151 first.offeredDraw = second.offeredDraw = 0;
9153 /* If this is an ICS game, only ICS can really say it's done;
9154 if not, anyone can. */
9155 isIcsGame = (gameMode == IcsPlayingWhite ||
9156 gameMode == IcsPlayingBlack ||
9157 gameMode == IcsObserving ||
9158 gameMode == IcsExamining);
9160 if (!isIcsGame || whosays == GE_ICS) {
9161 /* OK -- not an ICS game, or ICS said it was done */
9163 if (!isIcsGame && !appData.noChessProgram)
9164 SetUserThinkingEnables();
9166 /* [HGM] if a machine claims the game end we verify this claim */
9167 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9168 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9170 ChessMove trueResult = (ChessMove) -1;
9172 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9173 first.twoMachinesColor[0] :
9174 second.twoMachinesColor[0] ;
9176 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9177 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9178 /* [HGM] verify: engine mate claims accepted if they were flagged */
9179 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9181 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9182 /* [HGM] verify: engine mate claims accepted if they were flagged */
9183 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9185 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9186 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9189 // now verify win claims, but not in drop games, as we don't understand those yet
9190 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9191 || gameInfo.variant == VariantGreat) &&
9192 (result == WhiteWins && claimer == 'w' ||
9193 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9194 if (appData.debugMode) {
9195 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9196 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9198 if(result != trueResult) {
9199 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9200 result = claimer == 'w' ? BlackWins : WhiteWins;
9201 resultDetails = buf;
9204 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9205 && (forwardMostMove <= backwardMostMove ||
9206 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9207 (claimer=='b')==(forwardMostMove&1))
9209 /* [HGM] verify: draws that were not flagged are false claims */
9210 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9211 result = claimer == 'w' ? BlackWins : WhiteWins;
9212 resultDetails = buf;
9214 /* (Claiming a loss is accepted no questions asked!) */
9216 /* [HGM] bare: don't allow bare King to win */
9217 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9218 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9219 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9220 && result != GameIsDrawn)
9221 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9222 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9223 int p = (signed char)boards[forwardMostMove][i][j] - color;
9224 if(p >= 0 && p <= (int)WhiteKing) k++;
9226 if (appData.debugMode) {
9227 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9228 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9231 result = GameIsDrawn;
9232 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9233 resultDetails = buf;
9239 if(serverMoves != NULL && !loadFlag) { char c = '=';
9240 if(result==WhiteWins) c = '+';
9241 if(result==BlackWins) c = '-';
9242 if(resultDetails != NULL)
9243 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9245 if (resultDetails != NULL) {
9246 gameInfo.result = result;
9247 gameInfo.resultDetails = StrSave(resultDetails);
9249 /* display last move only if game was not loaded from file */
9250 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9251 DisplayMove(currentMove - 1);
9253 if (forwardMostMove != 0) {
9254 if (gameMode != PlayFromGameFile && gameMode != EditGame
9255 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9257 if (*appData.saveGameFile != NULLCHAR) {
9258 SaveGameToFile(appData.saveGameFile, TRUE);
9259 } else if (appData.autoSaveGames) {
9262 if (*appData.savePositionFile != NULLCHAR) {
9263 SavePositionToFile(appData.savePositionFile);
9268 /* Tell program how game ended in case it is learning */
9269 /* [HGM] Moved this to after saving the PGN, just in case */
9270 /* engine died and we got here through time loss. In that */
9271 /* case we will get a fatal error writing the pipe, which */
9272 /* would otherwise lose us the PGN. */
9273 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9274 /* output during GameEnds should never be fatal anymore */
9275 if (gameMode == MachinePlaysWhite ||
9276 gameMode == MachinePlaysBlack ||
9277 gameMode == TwoMachinesPlay ||
9278 gameMode == IcsPlayingWhite ||
9279 gameMode == IcsPlayingBlack ||
9280 gameMode == BeginningOfGame) {
9282 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9284 if (first.pr != NoProc) {
9285 SendToProgram(buf, &first);
9287 if (second.pr != NoProc &&
9288 gameMode == TwoMachinesPlay) {
9289 SendToProgram(buf, &second);
9294 if (appData.icsActive) {
9295 if (appData.quietPlay &&
9296 (gameMode == IcsPlayingWhite ||
9297 gameMode == IcsPlayingBlack)) {
9298 SendToICS(ics_prefix);
9299 SendToICS("set shout 1\n");
9301 nextGameMode = IcsIdle;
9302 ics_user_moved = FALSE;
9303 /* clean up premove. It's ugly when the game has ended and the
9304 * premove highlights are still on the board.
9308 ClearPremoveHighlights();
9309 DrawPosition(FALSE, boards[currentMove]);
9311 if (whosays == GE_ICS) {
9314 if (gameMode == IcsPlayingWhite)
9316 else if(gameMode == IcsPlayingBlack)
9320 if (gameMode == IcsPlayingBlack)
9322 else if(gameMode == IcsPlayingWhite)
9329 PlayIcsUnfinishedSound();
9332 } else if (gameMode == EditGame ||
9333 gameMode == PlayFromGameFile ||
9334 gameMode == AnalyzeMode ||
9335 gameMode == AnalyzeFile) {
9336 nextGameMode = gameMode;
9338 nextGameMode = EndOfGame;
9343 nextGameMode = gameMode;
9346 if (appData.noChessProgram) {
9347 gameMode = nextGameMode;
9349 endingGame = 0; /* [HGM] crash */
9354 /* Put first chess program into idle state */
9355 if (first.pr != NoProc &&
9356 (gameMode == MachinePlaysWhite ||
9357 gameMode == MachinePlaysBlack ||
9358 gameMode == TwoMachinesPlay ||
9359 gameMode == IcsPlayingWhite ||
9360 gameMode == IcsPlayingBlack ||
9361 gameMode == BeginningOfGame)) {
9362 SendToProgram("force\n", &first);
9363 if (first.usePing) {
9365 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9366 SendToProgram(buf, &first);
9369 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9370 /* Kill off first chess program */
9371 if (first.isr != NULL)
9372 RemoveInputSource(first.isr);
9375 if (first.pr != NoProc) {
9377 DoSleep( appData.delayBeforeQuit );
9378 SendToProgram("quit\n", &first);
9379 DoSleep( appData.delayAfterQuit );
9380 DestroyChildProcess(first.pr, first.useSigterm);
9385 /* Put second chess program into idle state */
9386 if (second.pr != NoProc &&
9387 gameMode == TwoMachinesPlay) {
9388 SendToProgram("force\n", &second);
9389 if (second.usePing) {
9391 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9392 SendToProgram(buf, &second);
9395 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9396 /* Kill off second chess program */
9397 if (second.isr != NULL)
9398 RemoveInputSource(second.isr);
9401 if (second.pr != NoProc) {
9402 DoSleep( appData.delayBeforeQuit );
9403 SendToProgram("quit\n", &second);
9404 DoSleep( appData.delayAfterQuit );
9405 DestroyChildProcess(second.pr, second.useSigterm);
9410 if (matchMode && gameMode == TwoMachinesPlay) {
9413 if (first.twoMachinesColor[0] == 'w') {
9420 if (first.twoMachinesColor[0] == 'b') {
9429 if (matchGame < appData.matchGames) {
9431 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9432 tmp = first.twoMachinesColor;
9433 first.twoMachinesColor = second.twoMachinesColor;
9434 second.twoMachinesColor = tmp;
9436 gameMode = nextGameMode;
9438 if(appData.matchPause>10000 || appData.matchPause<10)
9439 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9440 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9441 endingGame = 0; /* [HGM] crash */
9444 gameMode = nextGameMode;
9445 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9446 first.tidy, second.tidy,
9447 first.matchWins, second.matchWins,
9448 appData.matchGames - (first.matchWins + second.matchWins));
9449 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9452 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9453 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9455 gameMode = nextGameMode;
9457 endingGame = 0; /* [HGM] crash */
9458 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9459 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9460 matchMode = FALSE; appData.matchGames = matchGame = 0;
9466 /* Assumes program was just initialized (initString sent).
9467 Leaves program in force mode. */
9469 FeedMovesToProgram(cps, upto)
9470 ChessProgramState *cps;
9475 if (appData.debugMode)
9476 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9477 startedFromSetupPosition ? "position and " : "",
9478 backwardMostMove, upto, cps->which);
9479 if(currentlyInitializedVariant != gameInfo.variant) {
9481 // [HGM] variantswitch: make engine aware of new variant
9482 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9483 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9484 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9485 SendToProgram(buf, cps);
9486 currentlyInitializedVariant = gameInfo.variant;
9488 SendToProgram("force\n", cps);
9489 if (startedFromSetupPosition) {
9490 SendBoard(cps, backwardMostMove);
9491 if (appData.debugMode) {
9492 fprintf(debugFP, "feedMoves\n");
9495 for (i = backwardMostMove; i < upto; i++) {
9496 SendMoveToProgram(i, cps);
9502 ResurrectChessProgram()
9504 /* The chess program may have exited.
9505 If so, restart it and feed it all the moves made so far. */
9507 if (appData.noChessProgram || first.pr != NoProc) return;
9509 StartChessProgram(&first);
9510 InitChessProgram(&first, FALSE);
9511 FeedMovesToProgram(&first, currentMove);
9513 if (!first.sendTime) {
9514 /* can't tell gnuchess what its clock should read,
9515 so we bow to its notion. */
9517 timeRemaining[0][currentMove] = whiteTimeRemaining;
9518 timeRemaining[1][currentMove] = blackTimeRemaining;
9521 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9522 appData.icsEngineAnalyze) && first.analysisSupport) {
9523 SendToProgram("analyze\n", &first);
9524 first.analyzing = TRUE;
9537 if (appData.debugMode) {
9538 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9539 redraw, init, gameMode);
9541 CleanupTail(); // [HGM] vari: delete any stored variations
9542 pausing = pauseExamInvalid = FALSE;
9543 startedFromSetupPosition = blackPlaysFirst = FALSE;
9545 whiteFlag = blackFlag = FALSE;
9546 userOfferedDraw = FALSE;
9547 hintRequested = bookRequested = FALSE;
9548 first.maybeThinking = FALSE;
9549 second.maybeThinking = FALSE;
9550 first.bookSuspend = FALSE; // [HGM] book
9551 second.bookSuspend = FALSE;
9552 thinkOutput[0] = NULLCHAR;
9553 lastHint[0] = NULLCHAR;
9554 ClearGameInfo(&gameInfo);
9555 gameInfo.variant = StringToVariant(appData.variant);
9556 ics_user_moved = ics_clock_paused = FALSE;
9557 ics_getting_history = H_FALSE;
9559 white_holding[0] = black_holding[0] = NULLCHAR;
9560 ClearProgramStats();
9561 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9565 flipView = appData.flipView;
9566 ClearPremoveHighlights();
9568 alarmSounded = FALSE;
9570 GameEnds(EndOfFile, NULL, GE_PLAYER);
9571 if(appData.serverMovesName != NULL) {
9572 /* [HGM] prepare to make moves file for broadcasting */
9573 clock_t t = clock();
9574 if(serverMoves != NULL) fclose(serverMoves);
9575 serverMoves = fopen(appData.serverMovesName, "r");
9576 if(serverMoves != NULL) {
9577 fclose(serverMoves);
9578 /* delay 15 sec before overwriting, so all clients can see end */
9579 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9581 serverMoves = fopen(appData.serverMovesName, "w");
9585 gameMode = BeginningOfGame;
9587 if(appData.icsActive) gameInfo.variant = VariantNormal;
9588 currentMove = forwardMostMove = backwardMostMove = 0;
9589 InitPosition(redraw);
9590 for (i = 0; i < MAX_MOVES; i++) {
9591 if (commentList[i] != NULL) {
9592 free(commentList[i]);
9593 commentList[i] = NULL;
9597 timeRemaining[0][0] = whiteTimeRemaining;
9598 timeRemaining[1][0] = blackTimeRemaining;
9599 if (first.pr == NULL) {
9600 StartChessProgram(&first);
9603 InitChessProgram(&first, startedFromSetupPosition);
9606 DisplayMessage("", "");
9607 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9608 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9615 if (!AutoPlayOneMove())
9617 if (matchMode || appData.timeDelay == 0)
9619 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9621 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9630 int fromX, fromY, toX, toY;
9632 if (appData.debugMode) {
9633 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9636 if (gameMode != PlayFromGameFile)
9639 if (currentMove >= forwardMostMove) {
9640 gameMode = EditGame;
9643 /* [AS] Clear current move marker at the end of a game */
9644 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9649 toX = moveList[currentMove][2] - AAA;
9650 toY = moveList[currentMove][3] - ONE;
9652 if (moveList[currentMove][1] == '@') {
9653 if (appData.highlightLastMove) {
9654 SetHighlights(-1, -1, toX, toY);
9657 fromX = moveList[currentMove][0] - AAA;
9658 fromY = moveList[currentMove][1] - ONE;
9660 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9662 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9664 if (appData.highlightLastMove) {
9665 SetHighlights(fromX, fromY, toX, toY);
9668 DisplayMove(currentMove);
9669 SendMoveToProgram(currentMove++, &first);
9670 DisplayBothClocks();
9671 DrawPosition(FALSE, boards[currentMove]);
9672 // [HGM] PV info: always display, routine tests if empty
9673 DisplayComment(currentMove - 1, commentList[currentMove]);
9679 LoadGameOneMove(readAhead)
9680 ChessMove readAhead;
9682 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9683 char promoChar = NULLCHAR;
9688 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9689 gameMode != AnalyzeMode && gameMode != Training) {
9694 yyboardindex = forwardMostMove;
9695 if (readAhead != EndOfFile) {
9696 moveType = readAhead;
9698 if (gameFileFP == NULL)
9700 moveType = (ChessMove) Myylex();
9706 if (appData.debugMode)
9707 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9710 /* append the comment but don't display it */
9711 AppendComment(currentMove, p, FALSE);
9714 case WhiteCapturesEnPassant:
9715 case BlackCapturesEnPassant:
9716 case WhitePromotion:
9717 case BlackPromotion:
9718 case WhiteNonPromotion:
9719 case BlackNonPromotion:
9721 case WhiteKingSideCastle:
9722 case WhiteQueenSideCastle:
9723 case BlackKingSideCastle:
9724 case BlackQueenSideCastle:
9725 case WhiteKingSideCastleWild:
9726 case WhiteQueenSideCastleWild:
9727 case BlackKingSideCastleWild:
9728 case BlackQueenSideCastleWild:
9730 case WhiteHSideCastleFR:
9731 case WhiteASideCastleFR:
9732 case BlackHSideCastleFR:
9733 case BlackASideCastleFR:
9735 if (appData.debugMode)
9736 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9737 fromX = currentMoveString[0] - AAA;
9738 fromY = currentMoveString[1] - ONE;
9739 toX = currentMoveString[2] - AAA;
9740 toY = currentMoveString[3] - ONE;
9741 promoChar = currentMoveString[4];
9746 if (appData.debugMode)
9747 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9748 fromX = moveType == WhiteDrop ?
9749 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9750 (int) CharToPiece(ToLower(currentMoveString[0]));
9752 toX = currentMoveString[2] - AAA;
9753 toY = currentMoveString[3] - ONE;
9759 case GameUnfinished:
9760 if (appData.debugMode)
9761 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9762 p = strchr(yy_text, '{');
9763 if (p == NULL) p = strchr(yy_text, '(');
9766 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9768 q = strchr(p, *p == '{' ? '}' : ')');
9769 if (q != NULL) *q = NULLCHAR;
9772 GameEnds(moveType, p, GE_FILE);
9774 if (cmailMsgLoaded) {
9776 flipView = WhiteOnMove(currentMove);
9777 if (moveType == GameUnfinished) flipView = !flipView;
9778 if (appData.debugMode)
9779 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9784 if (appData.debugMode)
9785 fprintf(debugFP, "Parser hit end of file\n");
9786 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9792 if (WhiteOnMove(currentMove)) {
9793 GameEnds(BlackWins, "Black mates", GE_FILE);
9795 GameEnds(WhiteWins, "White mates", GE_FILE);
9799 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9806 if (lastLoadGameStart == GNUChessGame) {
9807 /* GNUChessGames have numbers, but they aren't move numbers */
9808 if (appData.debugMode)
9809 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9810 yy_text, (int) moveType);
9811 return LoadGameOneMove(EndOfFile); /* tail recursion */
9813 /* else fall thru */
9818 /* Reached start of next game in file */
9819 if (appData.debugMode)
9820 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9821 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9827 if (WhiteOnMove(currentMove)) {
9828 GameEnds(BlackWins, "Black mates", GE_FILE);
9830 GameEnds(WhiteWins, "White mates", GE_FILE);
9834 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9840 case PositionDiagram: /* should not happen; ignore */
9841 case ElapsedTime: /* ignore */
9842 case NAG: /* ignore */
9843 if (appData.debugMode)
9844 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9845 yy_text, (int) moveType);
9846 return LoadGameOneMove(EndOfFile); /* tail recursion */
9849 if (appData.testLegality) {
9850 if (appData.debugMode)
9851 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9852 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9853 (forwardMostMove / 2) + 1,
9854 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9855 DisplayError(move, 0);
9858 if (appData.debugMode)
9859 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9860 yy_text, currentMoveString);
9861 fromX = currentMoveString[0] - AAA;
9862 fromY = currentMoveString[1] - ONE;
9863 toX = currentMoveString[2] - AAA;
9864 toY = currentMoveString[3] - ONE;
9865 promoChar = currentMoveString[4];
9870 if (appData.debugMode)
9871 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9872 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9873 (forwardMostMove / 2) + 1,
9874 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9875 DisplayError(move, 0);
9880 case ImpossibleMove:
9881 if (appData.debugMode)
9882 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9883 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9884 (forwardMostMove / 2) + 1,
9885 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9886 DisplayError(move, 0);
9892 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9893 DrawPosition(FALSE, boards[currentMove]);
9894 DisplayBothClocks();
9895 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9896 DisplayComment(currentMove - 1, commentList[currentMove]);
9898 (void) StopLoadGameTimer();
9900 cmailOldMove = forwardMostMove;
9903 /* currentMoveString is set as a side-effect of yylex */
9904 strcat(currentMoveString, "\n");
9905 safeStrCpy(moveList[forwardMostMove], currentMoveString, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
9907 thinkOutput[0] = NULLCHAR;
9908 MakeMove(fromX, fromY, toX, toY, promoChar);
9909 currentMove = forwardMostMove;
9914 /* Load the nth game from the given file */
9916 LoadGameFromFile(filename, n, title, useList)
9920 /*Boolean*/ int useList;
9925 if (strcmp(filename, "-") == 0) {
9929 f = fopen(filename, "rb");
9931 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9932 DisplayError(buf, errno);
9936 if (fseek(f, 0, 0) == -1) {
9937 /* f is not seekable; probably a pipe */
9940 if (useList && n == 0) {
9941 int error = GameListBuild(f);
9943 DisplayError(_("Cannot build game list"), error);
9944 } else if (!ListEmpty(&gameList) &&
9945 ((ListGame *) gameList.tailPred)->number > 1) {
9946 GameListPopUp(f, title);
9953 return LoadGame(f, n, title, FALSE);
9958 MakeRegisteredMove()
9960 int fromX, fromY, toX, toY;
9962 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9963 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9966 if (appData.debugMode)
9967 fprintf(debugFP, "Restoring %s for game %d\n",
9968 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9970 thinkOutput[0] = NULLCHAR;
9971 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
9972 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9973 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9974 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9975 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9976 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9977 MakeMove(fromX, fromY, toX, toY, promoChar);
9978 ShowMove(fromX, fromY, toX, toY);
9980 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9987 if (WhiteOnMove(currentMove)) {
9988 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9990 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9995 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10002 if (WhiteOnMove(currentMove)) {
10003 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10005 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10010 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10021 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10023 CmailLoadGame(f, gameNumber, title, useList)
10031 if (gameNumber > nCmailGames) {
10032 DisplayError(_("No more games in this message"), 0);
10035 if (f == lastLoadGameFP) {
10036 int offset = gameNumber - lastLoadGameNumber;
10038 cmailMsg[0] = NULLCHAR;
10039 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10040 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10041 nCmailMovesRegistered--;
10043 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10044 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10045 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10048 if (! RegisterMove()) return FALSE;
10052 retVal = LoadGame(f, gameNumber, title, useList);
10054 /* Make move registered during previous look at this game, if any */
10055 MakeRegisteredMove();
10057 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10058 commentList[currentMove]
10059 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10060 DisplayComment(currentMove - 1, commentList[currentMove]);
10066 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10071 int gameNumber = lastLoadGameNumber + offset;
10072 if (lastLoadGameFP == NULL) {
10073 DisplayError(_("No game has been loaded yet"), 0);
10076 if (gameNumber <= 0) {
10077 DisplayError(_("Can't back up any further"), 0);
10080 if (cmailMsgLoaded) {
10081 return CmailLoadGame(lastLoadGameFP, gameNumber,
10082 lastLoadGameTitle, lastLoadGameUseList);
10084 return LoadGame(lastLoadGameFP, gameNumber,
10085 lastLoadGameTitle, lastLoadGameUseList);
10091 /* Load the nth game from open file f */
10093 LoadGame(f, gameNumber, title, useList)
10101 int gn = gameNumber;
10102 ListGame *lg = NULL;
10103 int numPGNTags = 0;
10105 GameMode oldGameMode;
10106 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10108 if (appData.debugMode)
10109 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10111 if (gameMode == Training )
10112 SetTrainingModeOff();
10114 oldGameMode = gameMode;
10115 if (gameMode != BeginningOfGame) {
10116 Reset(FALSE, TRUE);
10120 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10121 fclose(lastLoadGameFP);
10125 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10128 fseek(f, lg->offset, 0);
10129 GameListHighlight(gameNumber);
10133 DisplayError(_("Game number out of range"), 0);
10138 if (fseek(f, 0, 0) == -1) {
10139 if (f == lastLoadGameFP ?
10140 gameNumber == lastLoadGameNumber + 1 :
10144 DisplayError(_("Can't seek on game file"), 0);
10149 lastLoadGameFP = f;
10150 lastLoadGameNumber = gameNumber;
10151 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10152 lastLoadGameUseList = useList;
10156 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10157 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10158 lg->gameInfo.black);
10160 } else if (*title != NULLCHAR) {
10161 if (gameNumber > 1) {
10162 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10165 DisplayTitle(title);
10169 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10170 gameMode = PlayFromGameFile;
10174 currentMove = forwardMostMove = backwardMostMove = 0;
10175 CopyBoard(boards[0], initialPosition);
10179 * Skip the first gn-1 games in the file.
10180 * Also skip over anything that precedes an identifiable
10181 * start of game marker, to avoid being confused by
10182 * garbage at the start of the file. Currently
10183 * recognized start of game markers are the move number "1",
10184 * the pattern "gnuchess .* game", the pattern
10185 * "^[#;%] [^ ]* game file", and a PGN tag block.
10186 * A game that starts with one of the latter two patterns
10187 * will also have a move number 1, possibly
10188 * following a position diagram.
10189 * 5-4-02: Let's try being more lenient and allowing a game to
10190 * start with an unnumbered move. Does that break anything?
10192 cm = lastLoadGameStart = EndOfFile;
10194 yyboardindex = forwardMostMove;
10195 cm = (ChessMove) Myylex();
10198 if (cmailMsgLoaded) {
10199 nCmailGames = CMAIL_MAX_GAMES - gn;
10202 DisplayError(_("Game not found in file"), 0);
10209 lastLoadGameStart = cm;
10212 case MoveNumberOne:
10213 switch (lastLoadGameStart) {
10218 case MoveNumberOne:
10220 gn--; /* count this game */
10221 lastLoadGameStart = cm;
10230 switch (lastLoadGameStart) {
10233 case MoveNumberOne:
10235 gn--; /* count this game */
10236 lastLoadGameStart = cm;
10239 lastLoadGameStart = cm; /* game counted already */
10247 yyboardindex = forwardMostMove;
10248 cm = (ChessMove) Myylex();
10249 } while (cm == PGNTag || cm == Comment);
10256 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10257 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10258 != CMAIL_OLD_RESULT) {
10260 cmailResult[ CMAIL_MAX_GAMES
10261 - gn - 1] = CMAIL_OLD_RESULT;
10267 /* Only a NormalMove can be at the start of a game
10268 * without a position diagram. */
10269 if (lastLoadGameStart == EndOfFile ) {
10271 lastLoadGameStart = MoveNumberOne;
10280 if (appData.debugMode)
10281 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10283 if (cm == XBoardGame) {
10284 /* Skip any header junk before position diagram and/or move 1 */
10286 yyboardindex = forwardMostMove;
10287 cm = (ChessMove) Myylex();
10289 if (cm == EndOfFile ||
10290 cm == GNUChessGame || cm == XBoardGame) {
10291 /* Empty game; pretend end-of-file and handle later */
10296 if (cm == MoveNumberOne || cm == PositionDiagram ||
10297 cm == PGNTag || cm == Comment)
10300 } else if (cm == GNUChessGame) {
10301 if (gameInfo.event != NULL) {
10302 free(gameInfo.event);
10304 gameInfo.event = StrSave(yy_text);
10307 startedFromSetupPosition = FALSE;
10308 while (cm == PGNTag) {
10309 if (appData.debugMode)
10310 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10311 err = ParsePGNTag(yy_text, &gameInfo);
10312 if (!err) numPGNTags++;
10314 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10315 if(gameInfo.variant != oldVariant) {
10316 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10317 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10318 InitPosition(TRUE);
10319 oldVariant = gameInfo.variant;
10320 if (appData.debugMode)
10321 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10325 if (gameInfo.fen != NULL) {
10326 Board initial_position;
10327 startedFromSetupPosition = TRUE;
10328 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10330 DisplayError(_("Bad FEN position in file"), 0);
10333 CopyBoard(boards[0], initial_position);
10334 if (blackPlaysFirst) {
10335 currentMove = forwardMostMove = backwardMostMove = 1;
10336 CopyBoard(boards[1], initial_position);
10337 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10338 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10339 timeRemaining[0][1] = whiteTimeRemaining;
10340 timeRemaining[1][1] = blackTimeRemaining;
10341 if (commentList[0] != NULL) {
10342 commentList[1] = commentList[0];
10343 commentList[0] = NULL;
10346 currentMove = forwardMostMove = backwardMostMove = 0;
10348 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10350 initialRulePlies = FENrulePlies;
10351 for( i=0; i< nrCastlingRights; i++ )
10352 initialRights[i] = initial_position[CASTLING][i];
10354 yyboardindex = forwardMostMove;
10355 free(gameInfo.fen);
10356 gameInfo.fen = NULL;
10359 yyboardindex = forwardMostMove;
10360 cm = (ChessMove) Myylex();
10362 /* Handle comments interspersed among the tags */
10363 while (cm == Comment) {
10365 if (appData.debugMode)
10366 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10368 AppendComment(currentMove, p, FALSE);
10369 yyboardindex = forwardMostMove;
10370 cm = (ChessMove) Myylex();
10374 /* don't rely on existence of Event tag since if game was
10375 * pasted from clipboard the Event tag may not exist
10377 if (numPGNTags > 0){
10379 if (gameInfo.variant == VariantNormal) {
10380 VariantClass v = StringToVariant(gameInfo.event);
10381 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10382 if(v < VariantShogi) gameInfo.variant = v;
10385 if( appData.autoDisplayTags ) {
10386 tags = PGNTags(&gameInfo);
10387 TagsPopUp(tags, CmailMsg());
10392 /* Make something up, but don't display it now */
10397 if (cm == PositionDiagram) {
10400 Board initial_position;
10402 if (appData.debugMode)
10403 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10405 if (!startedFromSetupPosition) {
10407 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10408 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10418 initial_position[i][j++] = CharToPiece(*p);
10421 while (*p == ' ' || *p == '\t' ||
10422 *p == '\n' || *p == '\r') p++;
10424 if (strncmp(p, "black", strlen("black"))==0)
10425 blackPlaysFirst = TRUE;
10427 blackPlaysFirst = FALSE;
10428 startedFromSetupPosition = TRUE;
10430 CopyBoard(boards[0], initial_position);
10431 if (blackPlaysFirst) {
10432 currentMove = forwardMostMove = backwardMostMove = 1;
10433 CopyBoard(boards[1], initial_position);
10434 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10435 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10436 timeRemaining[0][1] = whiteTimeRemaining;
10437 timeRemaining[1][1] = blackTimeRemaining;
10438 if (commentList[0] != NULL) {
10439 commentList[1] = commentList[0];
10440 commentList[0] = NULL;
10443 currentMove = forwardMostMove = backwardMostMove = 0;
10446 yyboardindex = forwardMostMove;
10447 cm = (ChessMove) Myylex();
10450 if (first.pr == NoProc) {
10451 StartChessProgram(&first);
10453 InitChessProgram(&first, FALSE);
10454 SendToProgram("force\n", &first);
10455 if (startedFromSetupPosition) {
10456 SendBoard(&first, forwardMostMove);
10457 if (appData.debugMode) {
10458 fprintf(debugFP, "Load Game\n");
10460 DisplayBothClocks();
10463 /* [HGM] server: flag to write setup moves in broadcast file as one */
10464 loadFlag = appData.suppressLoadMoves;
10466 while (cm == Comment) {
10468 if (appData.debugMode)
10469 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10471 AppendComment(currentMove, p, FALSE);
10472 yyboardindex = forwardMostMove;
10473 cm = (ChessMove) Myylex();
10476 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10477 cm == WhiteWins || cm == BlackWins ||
10478 cm == GameIsDrawn || cm == GameUnfinished) {
10479 DisplayMessage("", _("No moves in game"));
10480 if (cmailMsgLoaded) {
10481 if (appData.debugMode)
10482 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10486 DrawPosition(FALSE, boards[currentMove]);
10487 DisplayBothClocks();
10488 gameMode = EditGame;
10495 // [HGM] PV info: routine tests if comment empty
10496 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10497 DisplayComment(currentMove - 1, commentList[currentMove]);
10499 if (!matchMode && appData.timeDelay != 0)
10500 DrawPosition(FALSE, boards[currentMove]);
10502 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10503 programStats.ok_to_send = 1;
10506 /* if the first token after the PGN tags is a move
10507 * and not move number 1, retrieve it from the parser
10509 if (cm != MoveNumberOne)
10510 LoadGameOneMove(cm);
10512 /* load the remaining moves from the file */
10513 while (LoadGameOneMove(EndOfFile)) {
10514 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10515 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10518 /* rewind to the start of the game */
10519 currentMove = backwardMostMove;
10521 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10523 if (oldGameMode == AnalyzeFile ||
10524 oldGameMode == AnalyzeMode) {
10525 AnalyzeFileEvent();
10528 if (matchMode || appData.timeDelay == 0) {
10530 gameMode = EditGame;
10532 } else if (appData.timeDelay > 0) {
10533 AutoPlayGameLoop();
10536 if (appData.debugMode)
10537 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10539 loadFlag = 0; /* [HGM] true game starts */
10543 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10545 ReloadPosition(offset)
10548 int positionNumber = lastLoadPositionNumber + offset;
10549 if (lastLoadPositionFP == NULL) {
10550 DisplayError(_("No position has been loaded yet"), 0);
10553 if (positionNumber <= 0) {
10554 DisplayError(_("Can't back up any further"), 0);
10557 return LoadPosition(lastLoadPositionFP, positionNumber,
10558 lastLoadPositionTitle);
10561 /* Load the nth position from the given file */
10563 LoadPositionFromFile(filename, n, title)
10571 if (strcmp(filename, "-") == 0) {
10572 return LoadPosition(stdin, n, "stdin");
10574 f = fopen(filename, "rb");
10576 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10577 DisplayError(buf, errno);
10580 return LoadPosition(f, n, title);
10585 /* Load the nth position from the given open file, and close it */
10587 LoadPosition(f, positionNumber, title)
10589 int positionNumber;
10592 char *p, line[MSG_SIZ];
10593 Board initial_position;
10594 int i, j, fenMode, pn;
10596 if (gameMode == Training )
10597 SetTrainingModeOff();
10599 if (gameMode != BeginningOfGame) {
10600 Reset(FALSE, TRUE);
10602 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10603 fclose(lastLoadPositionFP);
10605 if (positionNumber == 0) positionNumber = 1;
10606 lastLoadPositionFP = f;
10607 lastLoadPositionNumber = positionNumber;
10608 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10609 if (first.pr == NoProc) {
10610 StartChessProgram(&first);
10611 InitChessProgram(&first, FALSE);
10613 pn = positionNumber;
10614 if (positionNumber < 0) {
10615 /* Negative position number means to seek to that byte offset */
10616 if (fseek(f, -positionNumber, 0) == -1) {
10617 DisplayError(_("Can't seek on position file"), 0);
10622 if (fseek(f, 0, 0) == -1) {
10623 if (f == lastLoadPositionFP ?
10624 positionNumber == lastLoadPositionNumber + 1 :
10625 positionNumber == 1) {
10628 DisplayError(_("Can't seek on position file"), 0);
10633 /* See if this file is FEN or old-style xboard */
10634 if (fgets(line, MSG_SIZ, f) == NULL) {
10635 DisplayError(_("Position not found in file"), 0);
10638 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10639 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10642 if (fenMode || line[0] == '#') pn--;
10644 /* skip positions before number pn */
10645 if (fgets(line, MSG_SIZ, f) == NULL) {
10647 DisplayError(_("Position not found in file"), 0);
10650 if (fenMode || line[0] == '#') pn--;
10655 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10656 DisplayError(_("Bad FEN position in file"), 0);
10660 (void) fgets(line, MSG_SIZ, f);
10661 (void) fgets(line, MSG_SIZ, f);
10663 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10664 (void) fgets(line, MSG_SIZ, f);
10665 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10668 initial_position[i][j++] = CharToPiece(*p);
10672 blackPlaysFirst = FALSE;
10674 (void) fgets(line, MSG_SIZ, f);
10675 if (strncmp(line, "black", strlen("black"))==0)
10676 blackPlaysFirst = TRUE;
10679 startedFromSetupPosition = TRUE;
10681 SendToProgram("force\n", &first);
10682 CopyBoard(boards[0], initial_position);
10683 if (blackPlaysFirst) {
10684 currentMove = forwardMostMove = backwardMostMove = 1;
10685 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10686 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10687 CopyBoard(boards[1], initial_position);
10688 DisplayMessage("", _("Black to play"));
10690 currentMove = forwardMostMove = backwardMostMove = 0;
10691 DisplayMessage("", _("White to play"));
10693 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10694 SendBoard(&first, forwardMostMove);
10695 if (appData.debugMode) {
10697 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10698 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10699 fprintf(debugFP, "Load Position\n");
10702 if (positionNumber > 1) {
10703 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10704 DisplayTitle(line);
10706 DisplayTitle(title);
10708 gameMode = EditGame;
10711 timeRemaining[0][1] = whiteTimeRemaining;
10712 timeRemaining[1][1] = blackTimeRemaining;
10713 DrawPosition(FALSE, boards[currentMove]);
10720 CopyPlayerNameIntoFileName(dest, src)
10723 while (*src != NULLCHAR && *src != ',') {
10728 *(*dest)++ = *src++;
10733 char *DefaultFileName(ext)
10736 static char def[MSG_SIZ];
10739 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10741 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10743 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10745 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10752 /* Save the current game to the given file */
10754 SaveGameToFile(filename, append)
10761 if (strcmp(filename, "-") == 0) {
10762 return SaveGame(stdout, 0, NULL);
10764 f = fopen(filename, append ? "a" : "w");
10766 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10767 DisplayError(buf, errno);
10770 return SaveGame(f, 0, NULL);
10779 static char buf[MSG_SIZ];
10782 p = strchr(str, ' ');
10783 if (p == NULL) return str;
10784 strncpy(buf, str, p - str);
10785 buf[p - str] = NULLCHAR;
10789 #define PGN_MAX_LINE 75
10791 #define PGN_SIDE_WHITE 0
10792 #define PGN_SIDE_BLACK 1
10795 static int FindFirstMoveOutOfBook( int side )
10799 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10800 int index = backwardMostMove;
10801 int has_book_hit = 0;
10803 if( (index % 2) != side ) {
10807 while( index < forwardMostMove ) {
10808 /* Check to see if engine is in book */
10809 int depth = pvInfoList[index].depth;
10810 int score = pvInfoList[index].score;
10816 else if( score == 0 && depth == 63 ) {
10817 in_book = 1; /* Zappa */
10819 else if( score == 2 && depth == 99 ) {
10820 in_book = 1; /* Abrok */
10823 has_book_hit += in_book;
10839 void GetOutOfBookInfo( char * buf )
10843 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10845 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10846 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10850 if( oob[0] >= 0 || oob[1] >= 0 ) {
10851 for( i=0; i<2; i++ ) {
10855 if( i > 0 && oob[0] >= 0 ) {
10856 strcat( buf, " " );
10859 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10860 sprintf( buf+strlen(buf), "%s%.2f",
10861 pvInfoList[idx].score >= 0 ? "+" : "",
10862 pvInfoList[idx].score / 100.0 );
10868 /* Save game in PGN style and close the file */
10873 int i, offset, linelen, newblock;
10877 int movelen, numlen, blank;
10878 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10880 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10882 tm = time((time_t *) NULL);
10884 PrintPGNTags(f, &gameInfo);
10886 if (backwardMostMove > 0 || startedFromSetupPosition) {
10887 char *fen = PositionToFEN(backwardMostMove, NULL);
10888 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10889 fprintf(f, "\n{--------------\n");
10890 PrintPosition(f, backwardMostMove);
10891 fprintf(f, "--------------}\n");
10895 /* [AS] Out of book annotation */
10896 if( appData.saveOutOfBookInfo ) {
10899 GetOutOfBookInfo( buf );
10901 if( buf[0] != '\0' ) {
10902 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10909 i = backwardMostMove;
10913 while (i < forwardMostMove) {
10914 /* Print comments preceding this move */
10915 if (commentList[i] != NULL) {
10916 if (linelen > 0) fprintf(f, "\n");
10917 fprintf(f, "%s", commentList[i]);
10922 /* Format move number */
10924 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10927 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10929 numtext[0] = NULLCHAR;
10931 numlen = strlen(numtext);
10934 /* Print move number */
10935 blank = linelen > 0 && numlen > 0;
10936 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10945 fprintf(f, "%s", numtext);
10949 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10950 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10953 blank = linelen > 0 && movelen > 0;
10954 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10963 fprintf(f, "%s", move_buffer);
10964 linelen += movelen;
10966 /* [AS] Add PV info if present */
10967 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10968 /* [HGM] add time */
10969 char buf[MSG_SIZ]; int seconds;
10971 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10977 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
10980 seconds = (seconds + 4)/10; // round to full seconds
10982 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
10984 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
10987 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
10988 pvInfoList[i].score >= 0 ? "+" : "",
10989 pvInfoList[i].score / 100.0,
10990 pvInfoList[i].depth,
10993 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10995 /* Print score/depth */
10996 blank = linelen > 0 && movelen > 0;
10997 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11006 fprintf(f, "%s", move_buffer);
11007 linelen += movelen;
11013 /* Start a new line */
11014 if (linelen > 0) fprintf(f, "\n");
11016 /* Print comments after last move */
11017 if (commentList[i] != NULL) {
11018 fprintf(f, "%s\n", commentList[i]);
11022 if (gameInfo.resultDetails != NULL &&
11023 gameInfo.resultDetails[0] != NULLCHAR) {
11024 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11025 PGNResult(gameInfo.result));
11027 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11031 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11035 /* Save game in old style and close the file */
11037 SaveGameOldStyle(f)
11043 tm = time((time_t *) NULL);
11045 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11048 if (backwardMostMove > 0 || startedFromSetupPosition) {
11049 fprintf(f, "\n[--------------\n");
11050 PrintPosition(f, backwardMostMove);
11051 fprintf(f, "--------------]\n");
11056 i = backwardMostMove;
11057 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11059 while (i < forwardMostMove) {
11060 if (commentList[i] != NULL) {
11061 fprintf(f, "[%s]\n", commentList[i]);
11064 if ((i % 2) == 1) {
11065 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11068 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11070 if (commentList[i] != NULL) {
11074 if (i >= forwardMostMove) {
11078 fprintf(f, "%s\n", parseList[i]);
11083 if (commentList[i] != NULL) {
11084 fprintf(f, "[%s]\n", commentList[i]);
11087 /* This isn't really the old style, but it's close enough */
11088 if (gameInfo.resultDetails != NULL &&
11089 gameInfo.resultDetails[0] != NULLCHAR) {
11090 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11091 gameInfo.resultDetails);
11093 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11100 /* Save the current game to open file f and close the file */
11102 SaveGame(f, dummy, dummy2)
11107 if (gameMode == EditPosition) EditPositionDone(TRUE);
11108 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11109 if (appData.oldSaveStyle)
11110 return SaveGameOldStyle(f);
11112 return SaveGamePGN(f);
11115 /* Save the current position to the given file */
11117 SavePositionToFile(filename)
11123 if (strcmp(filename, "-") == 0) {
11124 return SavePosition(stdout, 0, NULL);
11126 f = fopen(filename, "a");
11128 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11129 DisplayError(buf, errno);
11132 SavePosition(f, 0, NULL);
11138 /* Save the current position to the given open file and close the file */
11140 SavePosition(f, dummy, dummy2)
11148 if (gameMode == EditPosition) EditPositionDone(TRUE);
11149 if (appData.oldSaveStyle) {
11150 tm = time((time_t *) NULL);
11152 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11154 fprintf(f, "[--------------\n");
11155 PrintPosition(f, currentMove);
11156 fprintf(f, "--------------]\n");
11158 fen = PositionToFEN(currentMove, NULL);
11159 fprintf(f, "%s\n", fen);
11167 ReloadCmailMsgEvent(unregister)
11171 static char *inFilename = NULL;
11172 static char *outFilename;
11174 struct stat inbuf, outbuf;
11177 /* Any registered moves are unregistered if unregister is set, */
11178 /* i.e. invoked by the signal handler */
11180 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11181 cmailMoveRegistered[i] = FALSE;
11182 if (cmailCommentList[i] != NULL) {
11183 free(cmailCommentList[i]);
11184 cmailCommentList[i] = NULL;
11187 nCmailMovesRegistered = 0;
11190 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11191 cmailResult[i] = CMAIL_NOT_RESULT;
11195 if (inFilename == NULL) {
11196 /* Because the filenames are static they only get malloced once */
11197 /* and they never get freed */
11198 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11199 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11201 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11202 sprintf(outFilename, "%s.out", appData.cmailGameName);
11205 status = stat(outFilename, &outbuf);
11207 cmailMailedMove = FALSE;
11209 status = stat(inFilename, &inbuf);
11210 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11213 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11214 counts the games, notes how each one terminated, etc.
11216 It would be nice to remove this kludge and instead gather all
11217 the information while building the game list. (And to keep it
11218 in the game list nodes instead of having a bunch of fixed-size
11219 parallel arrays.) Note this will require getting each game's
11220 termination from the PGN tags, as the game list builder does
11221 not process the game moves. --mann
11223 cmailMsgLoaded = TRUE;
11224 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11226 /* Load first game in the file or popup game menu */
11227 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11229 #endif /* !WIN32 */
11237 char string[MSG_SIZ];
11239 if ( cmailMailedMove
11240 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11241 return TRUE; /* Allow free viewing */
11244 /* Unregister move to ensure that we don't leave RegisterMove */
11245 /* with the move registered when the conditions for registering no */
11247 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11248 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11249 nCmailMovesRegistered --;
11251 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11253 free(cmailCommentList[lastLoadGameNumber - 1]);
11254 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11258 if (cmailOldMove == -1) {
11259 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11263 if (currentMove > cmailOldMove + 1) {
11264 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11268 if (currentMove < cmailOldMove) {
11269 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11273 if (forwardMostMove > currentMove) {
11274 /* Silently truncate extra moves */
11278 if ( (currentMove == cmailOldMove + 1)
11279 || ( (currentMove == cmailOldMove)
11280 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11281 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11282 if (gameInfo.result != GameUnfinished) {
11283 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11286 if (commentList[currentMove] != NULL) {
11287 cmailCommentList[lastLoadGameNumber - 1]
11288 = StrSave(commentList[currentMove]);
11290 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11292 if (appData.debugMode)
11293 fprintf(debugFP, "Saving %s for game %d\n",
11294 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11296 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11298 f = fopen(string, "w");
11299 if (appData.oldSaveStyle) {
11300 SaveGameOldStyle(f); /* also closes the file */
11302 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11303 f = fopen(string, "w");
11304 SavePosition(f, 0, NULL); /* also closes the file */
11306 fprintf(f, "{--------------\n");
11307 PrintPosition(f, currentMove);
11308 fprintf(f, "--------------}\n\n");
11310 SaveGame(f, 0, NULL); /* also closes the file*/
11313 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11314 nCmailMovesRegistered ++;
11315 } else if (nCmailGames == 1) {
11316 DisplayError(_("You have not made a move yet"), 0);
11327 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11328 FILE *commandOutput;
11329 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11330 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11336 if (! cmailMsgLoaded) {
11337 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11341 if (nCmailGames == nCmailResults) {
11342 DisplayError(_("No unfinished games"), 0);
11346 #if CMAIL_PROHIBIT_REMAIL
11347 if (cmailMailedMove) {
11348 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);
11349 DisplayError(msg, 0);
11354 if (! (cmailMailedMove || RegisterMove())) return;
11356 if ( cmailMailedMove
11357 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11358 snprintf(string, MSG_SIZ, partCommandString,
11359 appData.debugMode ? " -v" : "", appData.cmailGameName);
11360 commandOutput = popen(string, "r");
11362 if (commandOutput == NULL) {
11363 DisplayError(_("Failed to invoke cmail"), 0);
11365 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11366 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11368 if (nBuffers > 1) {
11369 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11370 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11371 nBytes = MSG_SIZ - 1;
11373 (void) memcpy(msg, buffer, nBytes);
11375 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11377 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11378 cmailMailedMove = TRUE; /* Prevent >1 moves */
11381 for (i = 0; i < nCmailGames; i ++) {
11382 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11387 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11389 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11391 appData.cmailGameName,
11393 LoadGameFromFile(buffer, 1, buffer, FALSE);
11394 cmailMsgLoaded = FALSE;
11398 DisplayInformation(msg);
11399 pclose(commandOutput);
11402 if ((*cmailMsg) != '\0') {
11403 DisplayInformation(cmailMsg);
11408 #endif /* !WIN32 */
11417 int prependComma = 0;
11419 char string[MSG_SIZ]; /* Space for game-list */
11422 if (!cmailMsgLoaded) return "";
11424 if (cmailMailedMove) {
11425 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11427 /* Create a list of games left */
11428 snprintf(string, MSG_SIZ, "[");
11429 for (i = 0; i < nCmailGames; i ++) {
11430 if (! ( cmailMoveRegistered[i]
11431 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11432 if (prependComma) {
11433 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11435 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11439 strcat(string, number);
11442 strcat(string, "]");
11444 if (nCmailMovesRegistered + nCmailResults == 0) {
11445 switch (nCmailGames) {
11447 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11451 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11455 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11460 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11462 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11467 if (nCmailResults == nCmailGames) {
11468 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11470 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11475 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11487 if (gameMode == Training)
11488 SetTrainingModeOff();
11491 cmailMsgLoaded = FALSE;
11492 if (appData.icsActive) {
11493 SendToICS(ics_prefix);
11494 SendToICS("refresh\n");
11504 /* Give up on clean exit */
11508 /* Keep trying for clean exit */
11512 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11514 if (telnetISR != NULL) {
11515 RemoveInputSource(telnetISR);
11517 if (icsPR != NoProc) {
11518 DestroyChildProcess(icsPR, TRUE);
11521 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11522 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11524 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11525 /* make sure this other one finishes before killing it! */
11526 if(endingGame) { int count = 0;
11527 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11528 while(endingGame && count++ < 10) DoSleep(1);
11529 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11532 /* Kill off chess programs */
11533 if (first.pr != NoProc) {
11536 DoSleep( appData.delayBeforeQuit );
11537 SendToProgram("quit\n", &first);
11538 DoSleep( appData.delayAfterQuit );
11539 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11541 if (second.pr != NoProc) {
11542 DoSleep( appData.delayBeforeQuit );
11543 SendToProgram("quit\n", &second);
11544 DoSleep( appData.delayAfterQuit );
11545 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11547 if (first.isr != NULL) {
11548 RemoveInputSource(first.isr);
11550 if (second.isr != NULL) {
11551 RemoveInputSource(second.isr);
11554 ShutDownFrontEnd();
11561 if (appData.debugMode)
11562 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11566 if (gameMode == MachinePlaysWhite ||
11567 gameMode == MachinePlaysBlack) {
11570 DisplayBothClocks();
11572 if (gameMode == PlayFromGameFile) {
11573 if (appData.timeDelay >= 0)
11574 AutoPlayGameLoop();
11575 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11576 Reset(FALSE, TRUE);
11577 SendToICS(ics_prefix);
11578 SendToICS("refresh\n");
11579 } else if (currentMove < forwardMostMove) {
11580 ForwardInner(forwardMostMove);
11582 pauseExamInvalid = FALSE;
11584 switch (gameMode) {
11588 pauseExamForwardMostMove = forwardMostMove;
11589 pauseExamInvalid = FALSE;
11592 case IcsPlayingWhite:
11593 case IcsPlayingBlack:
11597 case PlayFromGameFile:
11598 (void) StopLoadGameTimer();
11602 case BeginningOfGame:
11603 if (appData.icsActive) return;
11604 /* else fall through */
11605 case MachinePlaysWhite:
11606 case MachinePlaysBlack:
11607 case TwoMachinesPlay:
11608 if (forwardMostMove == 0)
11609 return; /* don't pause if no one has moved */
11610 if ((gameMode == MachinePlaysWhite &&
11611 !WhiteOnMove(forwardMostMove)) ||
11612 (gameMode == MachinePlaysBlack &&
11613 WhiteOnMove(forwardMostMove))) {
11626 char title[MSG_SIZ];
11628 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11629 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11631 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11632 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11633 parseList[currentMove - 1]);
11636 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11643 char *tags = PGNTags(&gameInfo);
11644 EditTagsPopUp(tags);
11651 if (appData.noChessProgram || gameMode == AnalyzeMode)
11654 if (gameMode != AnalyzeFile) {
11655 if (!appData.icsEngineAnalyze) {
11657 if (gameMode != EditGame) return;
11659 ResurrectChessProgram();
11660 SendToProgram("analyze\n", &first);
11661 first.analyzing = TRUE;
11662 /*first.maybeThinking = TRUE;*/
11663 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11664 EngineOutputPopUp();
11666 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11671 StartAnalysisClock();
11672 GetTimeMark(&lastNodeCountTime);
11679 if (appData.noChessProgram || gameMode == AnalyzeFile)
11682 if (gameMode != AnalyzeMode) {
11684 if (gameMode != EditGame) return;
11685 ResurrectChessProgram();
11686 SendToProgram("analyze\n", &first);
11687 first.analyzing = TRUE;
11688 /*first.maybeThinking = TRUE;*/
11689 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11690 EngineOutputPopUp();
11692 gameMode = AnalyzeFile;
11697 StartAnalysisClock();
11698 GetTimeMark(&lastNodeCountTime);
11703 MachineWhiteEvent()
11706 char *bookHit = NULL;
11708 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11712 if (gameMode == PlayFromGameFile ||
11713 gameMode == TwoMachinesPlay ||
11714 gameMode == Training ||
11715 gameMode == AnalyzeMode ||
11716 gameMode == EndOfGame)
11719 if (gameMode == EditPosition)
11720 EditPositionDone(TRUE);
11722 if (!WhiteOnMove(currentMove)) {
11723 DisplayError(_("It is not White's turn"), 0);
11727 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11730 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11731 gameMode == AnalyzeFile)
11734 ResurrectChessProgram(); /* in case it isn't running */
11735 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11736 gameMode = MachinePlaysWhite;
11739 gameMode = MachinePlaysWhite;
11743 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11745 if (first.sendName) {
11746 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11747 SendToProgram(buf, &first);
11749 if (first.sendTime) {
11750 if (first.useColors) {
11751 SendToProgram("black\n", &first); /*gnu kludge*/
11753 SendTimeRemaining(&first, TRUE);
11755 if (first.useColors) {
11756 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11758 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11759 SetMachineThinkingEnables();
11760 first.maybeThinking = TRUE;
11764 if (appData.autoFlipView && !flipView) {
11765 flipView = !flipView;
11766 DrawPosition(FALSE, NULL);
11767 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11770 if(bookHit) { // [HGM] book: simulate book reply
11771 static char bookMove[MSG_SIZ]; // a bit generous?
11773 programStats.nodes = programStats.depth = programStats.time =
11774 programStats.score = programStats.got_only_move = 0;
11775 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11777 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11778 strcat(bookMove, bookHit);
11779 HandleMachineMove(bookMove, &first);
11784 MachineBlackEvent()
11787 char *bookHit = NULL;
11789 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11793 if (gameMode == PlayFromGameFile ||
11794 gameMode == TwoMachinesPlay ||
11795 gameMode == Training ||
11796 gameMode == AnalyzeMode ||
11797 gameMode == EndOfGame)
11800 if (gameMode == EditPosition)
11801 EditPositionDone(TRUE);
11803 if (WhiteOnMove(currentMove)) {
11804 DisplayError(_("It is not Black's turn"), 0);
11808 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11811 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11812 gameMode == AnalyzeFile)
11815 ResurrectChessProgram(); /* in case it isn't running */
11816 gameMode = MachinePlaysBlack;
11820 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11822 if (first.sendName) {
11823 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11824 SendToProgram(buf, &first);
11826 if (first.sendTime) {
11827 if (first.useColors) {
11828 SendToProgram("white\n", &first); /*gnu kludge*/
11830 SendTimeRemaining(&first, FALSE);
11832 if (first.useColors) {
11833 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11835 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11836 SetMachineThinkingEnables();
11837 first.maybeThinking = TRUE;
11840 if (appData.autoFlipView && flipView) {
11841 flipView = !flipView;
11842 DrawPosition(FALSE, NULL);
11843 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11845 if(bookHit) { // [HGM] book: simulate book reply
11846 static char bookMove[MSG_SIZ]; // a bit generous?
11848 programStats.nodes = programStats.depth = programStats.time =
11849 programStats.score = programStats.got_only_move = 0;
11850 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11852 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11853 strcat(bookMove, bookHit);
11854 HandleMachineMove(bookMove, &first);
11860 DisplayTwoMachinesTitle()
11863 if (appData.matchGames > 0) {
11864 if (first.twoMachinesColor[0] == 'w') {
11865 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11866 gameInfo.white, gameInfo.black,
11867 first.matchWins, second.matchWins,
11868 matchGame - 1 - (first.matchWins + second.matchWins));
11870 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11871 gameInfo.white, gameInfo.black,
11872 second.matchWins, first.matchWins,
11873 matchGame - 1 - (first.matchWins + second.matchWins));
11876 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11882 SettingsMenuIfReady()
11884 if (second.lastPing != second.lastPong) {
11885 DisplayMessage("", _("Waiting for second chess program"));
11886 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
11890 DisplayMessage("", "");
11891 SettingsPopUp(&second);
11895 WaitForSecond(DelayedEventCallback retry)
11897 if (second.pr == NULL) {
11898 StartChessProgram(&second);
11899 if (second.protocolVersion == 1) {
11902 /* kludge: allow timeout for initial "feature" command */
11904 DisplayMessage("", _("Starting second chess program"));
11905 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
11913 TwoMachinesEvent P((void))
11917 ChessProgramState *onmove;
11918 char *bookHit = NULL;
11920 if (appData.noChessProgram) return;
11922 switch (gameMode) {
11923 case TwoMachinesPlay:
11925 case MachinePlaysWhite:
11926 case MachinePlaysBlack:
11927 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11928 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11932 case BeginningOfGame:
11933 case PlayFromGameFile:
11936 if (gameMode != EditGame) return;
11939 EditPositionDone(TRUE);
11950 // forwardMostMove = currentMove;
11951 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11952 ResurrectChessProgram(); /* in case first program isn't running */
11954 if(WaitForSecond(TwoMachinesEventIfReady)) return;
11955 DisplayMessage("", "");
11956 InitChessProgram(&second, FALSE);
11957 SendToProgram("force\n", &second);
11958 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
11959 ScheduleDelayedEvent(TwoMachinesEvent, 10);
11962 if (startedFromSetupPosition) {
11963 SendBoard(&second, backwardMostMove);
11964 if (appData.debugMode) {
11965 fprintf(debugFP, "Two Machines\n");
11968 for (i = backwardMostMove; i < forwardMostMove; i++) {
11969 SendMoveToProgram(i, &second);
11972 gameMode = TwoMachinesPlay;
11976 DisplayTwoMachinesTitle();
11978 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11984 SendToProgram(first.computerString, &first);
11985 if (first.sendName) {
11986 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
11987 SendToProgram(buf, &first);
11989 SendToProgram(second.computerString, &second);
11990 if (second.sendName) {
11991 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
11992 SendToProgram(buf, &second);
11996 if (!first.sendTime || !second.sendTime) {
11997 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11998 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12000 if (onmove->sendTime) {
12001 if (onmove->useColors) {
12002 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12004 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12006 if (onmove->useColors) {
12007 SendToProgram(onmove->twoMachinesColor, onmove);
12009 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12010 // SendToProgram("go\n", onmove);
12011 onmove->maybeThinking = TRUE;
12012 SetMachineThinkingEnables();
12016 if(bookHit) { // [HGM] book: simulate book reply
12017 static char bookMove[MSG_SIZ]; // a bit generous?
12019 programStats.nodes = programStats.depth = programStats.time =
12020 programStats.score = programStats.got_only_move = 0;
12021 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12023 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12024 strcat(bookMove, bookHit);
12025 savedMessage = bookMove; // args for deferred call
12026 savedState = onmove;
12027 ScheduleDelayedEvent(DeferredBookMove, 1);
12034 if (gameMode == Training) {
12035 SetTrainingModeOff();
12036 gameMode = PlayFromGameFile;
12037 DisplayMessage("", _("Training mode off"));
12039 gameMode = Training;
12040 animateTraining = appData.animate;
12042 /* make sure we are not already at the end of the game */
12043 if (currentMove < forwardMostMove) {
12044 SetTrainingModeOn();
12045 DisplayMessage("", _("Training mode on"));
12047 gameMode = PlayFromGameFile;
12048 DisplayError(_("Already at end of game"), 0);
12057 if (!appData.icsActive) return;
12058 switch (gameMode) {
12059 case IcsPlayingWhite:
12060 case IcsPlayingBlack:
12063 case BeginningOfGame:
12071 EditPositionDone(TRUE);
12084 gameMode = IcsIdle;
12095 switch (gameMode) {
12097 SetTrainingModeOff();
12099 case MachinePlaysWhite:
12100 case MachinePlaysBlack:
12101 case BeginningOfGame:
12102 SendToProgram("force\n", &first);
12103 SetUserThinkingEnables();
12105 case PlayFromGameFile:
12106 (void) StopLoadGameTimer();
12107 if (gameFileFP != NULL) {
12112 EditPositionDone(TRUE);
12117 SendToProgram("force\n", &first);
12119 case TwoMachinesPlay:
12120 GameEnds(EndOfFile, NULL, GE_PLAYER);
12121 ResurrectChessProgram();
12122 SetUserThinkingEnables();
12125 ResurrectChessProgram();
12127 case IcsPlayingBlack:
12128 case IcsPlayingWhite:
12129 DisplayError(_("Warning: You are still playing a game"), 0);
12132 DisplayError(_("Warning: You are still observing a game"), 0);
12135 DisplayError(_("Warning: You are still examining a game"), 0);
12146 first.offeredDraw = second.offeredDraw = 0;
12148 if (gameMode == PlayFromGameFile) {
12149 whiteTimeRemaining = timeRemaining[0][currentMove];
12150 blackTimeRemaining = timeRemaining[1][currentMove];
12154 if (gameMode == MachinePlaysWhite ||
12155 gameMode == MachinePlaysBlack ||
12156 gameMode == TwoMachinesPlay ||
12157 gameMode == EndOfGame) {
12158 i = forwardMostMove;
12159 while (i > currentMove) {
12160 SendToProgram("undo\n", &first);
12163 whiteTimeRemaining = timeRemaining[0][currentMove];
12164 blackTimeRemaining = timeRemaining[1][currentMove];
12165 DisplayBothClocks();
12166 if (whiteFlag || blackFlag) {
12167 whiteFlag = blackFlag = 0;
12172 gameMode = EditGame;
12179 EditPositionEvent()
12181 if (gameMode == EditPosition) {
12187 if (gameMode != EditGame) return;
12189 gameMode = EditPosition;
12192 if (currentMove > 0)
12193 CopyBoard(boards[0], boards[currentMove]);
12195 blackPlaysFirst = !WhiteOnMove(currentMove);
12197 currentMove = forwardMostMove = backwardMostMove = 0;
12198 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12205 /* [DM] icsEngineAnalyze - possible call from other functions */
12206 if (appData.icsEngineAnalyze) {
12207 appData.icsEngineAnalyze = FALSE;
12209 DisplayMessage("",_("Close ICS engine analyze..."));
12211 if (first.analysisSupport && first.analyzing) {
12212 SendToProgram("exit\n", &first);
12213 first.analyzing = FALSE;
12215 thinkOutput[0] = NULLCHAR;
12219 EditPositionDone(Boolean fakeRights)
12221 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12223 startedFromSetupPosition = TRUE;
12224 InitChessProgram(&first, FALSE);
12225 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12226 boards[0][EP_STATUS] = EP_NONE;
12227 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12228 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12229 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12230 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12231 } else boards[0][CASTLING][2] = NoRights;
12232 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12233 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12234 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12235 } else boards[0][CASTLING][5] = NoRights;
12237 SendToProgram("force\n", &first);
12238 if (blackPlaysFirst) {
12239 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12240 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12241 currentMove = forwardMostMove = backwardMostMove = 1;
12242 CopyBoard(boards[1], boards[0]);
12244 currentMove = forwardMostMove = backwardMostMove = 0;
12246 SendBoard(&first, forwardMostMove);
12247 if (appData.debugMode) {
12248 fprintf(debugFP, "EditPosDone\n");
12251 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12252 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12253 gameMode = EditGame;
12255 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12256 ClearHighlights(); /* [AS] */
12259 /* Pause for `ms' milliseconds */
12260 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12270 } while (SubtractTimeMarks(&m2, &m1) < ms);
12273 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12275 SendMultiLineToICS(buf)
12278 char temp[MSG_SIZ+1], *p;
12285 strncpy(temp, buf, len);
12290 if (*p == '\n' || *p == '\r')
12295 strcat(temp, "\n");
12297 SendToPlayer(temp, strlen(temp));
12301 SetWhiteToPlayEvent()
12303 if (gameMode == EditPosition) {
12304 blackPlaysFirst = FALSE;
12305 DisplayBothClocks(); /* works because currentMove is 0 */
12306 } else if (gameMode == IcsExamining) {
12307 SendToICS(ics_prefix);
12308 SendToICS("tomove white\n");
12313 SetBlackToPlayEvent()
12315 if (gameMode == EditPosition) {
12316 blackPlaysFirst = TRUE;
12317 currentMove = 1; /* kludge */
12318 DisplayBothClocks();
12320 } else if (gameMode == IcsExamining) {
12321 SendToICS(ics_prefix);
12322 SendToICS("tomove black\n");
12327 EditPositionMenuEvent(selection, x, y)
12328 ChessSquare selection;
12332 ChessSquare piece = boards[0][y][x];
12334 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12336 switch (selection) {
12338 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12339 SendToICS(ics_prefix);
12340 SendToICS("bsetup clear\n");
12341 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12342 SendToICS(ics_prefix);
12343 SendToICS("clearboard\n");
12345 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12346 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12347 for (y = 0; y < BOARD_HEIGHT; y++) {
12348 if (gameMode == IcsExamining) {
12349 if (boards[currentMove][y][x] != EmptySquare) {
12350 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12355 boards[0][y][x] = p;
12360 if (gameMode == EditPosition) {
12361 DrawPosition(FALSE, boards[0]);
12366 SetWhiteToPlayEvent();
12370 SetBlackToPlayEvent();
12374 if (gameMode == IcsExamining) {
12375 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12376 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12379 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12380 if(x == BOARD_LEFT-2) {
12381 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12382 boards[0][y][1] = 0;
12384 if(x == BOARD_RGHT+1) {
12385 if(y >= gameInfo.holdingsSize) break;
12386 boards[0][y][BOARD_WIDTH-2] = 0;
12389 boards[0][y][x] = EmptySquare;
12390 DrawPosition(FALSE, boards[0]);
12395 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12396 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12397 selection = (ChessSquare) (PROMOTED piece);
12398 } else if(piece == EmptySquare) selection = WhiteSilver;
12399 else selection = (ChessSquare)((int)piece - 1);
12403 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12404 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12405 selection = (ChessSquare) (DEMOTED piece);
12406 } else if(piece == EmptySquare) selection = BlackSilver;
12407 else selection = (ChessSquare)((int)piece + 1);
12412 if(gameInfo.variant == VariantShatranj ||
12413 gameInfo.variant == VariantXiangqi ||
12414 gameInfo.variant == VariantCourier ||
12415 gameInfo.variant == VariantMakruk )
12416 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12421 if(gameInfo.variant == VariantXiangqi)
12422 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12423 if(gameInfo.variant == VariantKnightmate)
12424 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12427 if (gameMode == IcsExamining) {
12428 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12429 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12430 PieceToChar(selection), AAA + x, ONE + y);
12433 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12435 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12436 n = PieceToNumber(selection - BlackPawn);
12437 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12438 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12439 boards[0][BOARD_HEIGHT-1-n][1]++;
12441 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12442 n = PieceToNumber(selection);
12443 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12444 boards[0][n][BOARD_WIDTH-1] = selection;
12445 boards[0][n][BOARD_WIDTH-2]++;
12448 boards[0][y][x] = selection;
12449 DrawPosition(TRUE, boards[0]);
12457 DropMenuEvent(selection, x, y)
12458 ChessSquare selection;
12461 ChessMove moveType;
12463 switch (gameMode) {
12464 case IcsPlayingWhite:
12465 case MachinePlaysBlack:
12466 if (!WhiteOnMove(currentMove)) {
12467 DisplayMoveError(_("It is Black's turn"));
12470 moveType = WhiteDrop;
12472 case IcsPlayingBlack:
12473 case MachinePlaysWhite:
12474 if (WhiteOnMove(currentMove)) {
12475 DisplayMoveError(_("It is White's turn"));
12478 moveType = BlackDrop;
12481 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12487 if (moveType == BlackDrop && selection < BlackPawn) {
12488 selection = (ChessSquare) ((int) selection
12489 + (int) BlackPawn - (int) WhitePawn);
12491 if (boards[currentMove][y][x] != EmptySquare) {
12492 DisplayMoveError(_("That square is occupied"));
12496 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12502 /* Accept a pending offer of any kind from opponent */
12504 if (appData.icsActive) {
12505 SendToICS(ics_prefix);
12506 SendToICS("accept\n");
12507 } else if (cmailMsgLoaded) {
12508 if (currentMove == cmailOldMove &&
12509 commentList[cmailOldMove] != NULL &&
12510 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12511 "Black offers a draw" : "White offers a draw")) {
12513 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12514 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12516 DisplayError(_("There is no pending offer on this move"), 0);
12517 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12520 /* Not used for offers from chess program */
12527 /* Decline a pending offer of any kind from opponent */
12529 if (appData.icsActive) {
12530 SendToICS(ics_prefix);
12531 SendToICS("decline\n");
12532 } else if (cmailMsgLoaded) {
12533 if (currentMove == cmailOldMove &&
12534 commentList[cmailOldMove] != NULL &&
12535 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12536 "Black offers a draw" : "White offers a draw")) {
12538 AppendComment(cmailOldMove, "Draw declined", TRUE);
12539 DisplayComment(cmailOldMove - 1, "Draw declined");
12542 DisplayError(_("There is no pending offer on this move"), 0);
12545 /* Not used for offers from chess program */
12552 /* Issue ICS rematch command */
12553 if (appData.icsActive) {
12554 SendToICS(ics_prefix);
12555 SendToICS("rematch\n");
12562 /* Call your opponent's flag (claim a win on time) */
12563 if (appData.icsActive) {
12564 SendToICS(ics_prefix);
12565 SendToICS("flag\n");
12567 switch (gameMode) {
12570 case MachinePlaysWhite:
12573 GameEnds(GameIsDrawn, "Both players ran out of time",
12576 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12578 DisplayError(_("Your opponent is not out of time"), 0);
12581 case MachinePlaysBlack:
12584 GameEnds(GameIsDrawn, "Both players ran out of time",
12587 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12589 DisplayError(_("Your opponent is not out of time"), 0);
12599 /* Offer draw or accept pending draw offer from opponent */
12601 if (appData.icsActive) {
12602 /* Note: tournament rules require draw offers to be
12603 made after you make your move but before you punch
12604 your clock. Currently ICS doesn't let you do that;
12605 instead, you immediately punch your clock after making
12606 a move, but you can offer a draw at any time. */
12608 SendToICS(ics_prefix);
12609 SendToICS("draw\n");
12610 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12611 } else if (cmailMsgLoaded) {
12612 if (currentMove == cmailOldMove &&
12613 commentList[cmailOldMove] != NULL &&
12614 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12615 "Black offers a draw" : "White offers a draw")) {
12616 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12617 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12618 } else if (currentMove == cmailOldMove + 1) {
12619 char *offer = WhiteOnMove(cmailOldMove) ?
12620 "White offers a draw" : "Black offers a draw";
12621 AppendComment(currentMove, offer, TRUE);
12622 DisplayComment(currentMove - 1, offer);
12623 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12625 DisplayError(_("You must make your move before offering a draw"), 0);
12626 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12628 } else if (first.offeredDraw) {
12629 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12631 if (first.sendDrawOffers) {
12632 SendToProgram("draw\n", &first);
12633 userOfferedDraw = TRUE;
12641 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12643 if (appData.icsActive) {
12644 SendToICS(ics_prefix);
12645 SendToICS("adjourn\n");
12647 /* Currently GNU Chess doesn't offer or accept Adjourns */
12655 /* Offer Abort or accept pending Abort offer from opponent */
12657 if (appData.icsActive) {
12658 SendToICS(ics_prefix);
12659 SendToICS("abort\n");
12661 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12668 /* Resign. You can do this even if it's not your turn. */
12670 if (appData.icsActive) {
12671 SendToICS(ics_prefix);
12672 SendToICS("resign\n");
12674 switch (gameMode) {
12675 case MachinePlaysWhite:
12676 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12678 case MachinePlaysBlack:
12679 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12682 if (cmailMsgLoaded) {
12684 if (WhiteOnMove(cmailOldMove)) {
12685 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12687 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12689 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12700 StopObservingEvent()
12702 /* Stop observing current games */
12703 SendToICS(ics_prefix);
12704 SendToICS("unobserve\n");
12708 StopExaminingEvent()
12710 /* Stop observing current game */
12711 SendToICS(ics_prefix);
12712 SendToICS("unexamine\n");
12716 ForwardInner(target)
12721 if (appData.debugMode)
12722 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12723 target, currentMove, forwardMostMove);
12725 if (gameMode == EditPosition)
12728 if (gameMode == PlayFromGameFile && !pausing)
12731 if (gameMode == IcsExamining && pausing)
12732 limit = pauseExamForwardMostMove;
12734 limit = forwardMostMove;
12736 if (target > limit) target = limit;
12738 if (target > 0 && moveList[target - 1][0]) {
12739 int fromX, fromY, toX, toY;
12740 toX = moveList[target - 1][2] - AAA;
12741 toY = moveList[target - 1][3] - ONE;
12742 if (moveList[target - 1][1] == '@') {
12743 if (appData.highlightLastMove) {
12744 SetHighlights(-1, -1, toX, toY);
12747 fromX = moveList[target - 1][0] - AAA;
12748 fromY = moveList[target - 1][1] - ONE;
12749 if (target == currentMove + 1) {
12750 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12752 if (appData.highlightLastMove) {
12753 SetHighlights(fromX, fromY, toX, toY);
12757 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12758 gameMode == Training || gameMode == PlayFromGameFile ||
12759 gameMode == AnalyzeFile) {
12760 while (currentMove < target) {
12761 SendMoveToProgram(currentMove++, &first);
12764 currentMove = target;
12767 if (gameMode == EditGame || gameMode == EndOfGame) {
12768 whiteTimeRemaining = timeRemaining[0][currentMove];
12769 blackTimeRemaining = timeRemaining[1][currentMove];
12771 DisplayBothClocks();
12772 DisplayMove(currentMove - 1);
12773 DrawPosition(FALSE, boards[currentMove]);
12774 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12775 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12776 DisplayComment(currentMove - 1, commentList[currentMove]);
12784 if (gameMode == IcsExamining && !pausing) {
12785 SendToICS(ics_prefix);
12786 SendToICS("forward\n");
12788 ForwardInner(currentMove + 1);
12795 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12796 /* to optimze, we temporarily turn off analysis mode while we feed
12797 * the remaining moves to the engine. Otherwise we get analysis output
12800 if (first.analysisSupport) {
12801 SendToProgram("exit\nforce\n", &first);
12802 first.analyzing = FALSE;
12806 if (gameMode == IcsExamining && !pausing) {
12807 SendToICS(ics_prefix);
12808 SendToICS("forward 999999\n");
12810 ForwardInner(forwardMostMove);
12813 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12814 /* we have fed all the moves, so reactivate analysis mode */
12815 SendToProgram("analyze\n", &first);
12816 first.analyzing = TRUE;
12817 /*first.maybeThinking = TRUE;*/
12818 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12823 BackwardInner(target)
12826 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12828 if (appData.debugMode)
12829 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12830 target, currentMove, forwardMostMove);
12832 if (gameMode == EditPosition) return;
12833 if (currentMove <= backwardMostMove) {
12835 DrawPosition(full_redraw, boards[currentMove]);
12838 if (gameMode == PlayFromGameFile && !pausing)
12841 if (moveList[target][0]) {
12842 int fromX, fromY, toX, toY;
12843 toX = moveList[target][2] - AAA;
12844 toY = moveList[target][3] - ONE;
12845 if (moveList[target][1] == '@') {
12846 if (appData.highlightLastMove) {
12847 SetHighlights(-1, -1, toX, toY);
12850 fromX = moveList[target][0] - AAA;
12851 fromY = moveList[target][1] - ONE;
12852 if (target == currentMove - 1) {
12853 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12855 if (appData.highlightLastMove) {
12856 SetHighlights(fromX, fromY, toX, toY);
12860 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12861 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12862 while (currentMove > target) {
12863 SendToProgram("undo\n", &first);
12867 currentMove = target;
12870 if (gameMode == EditGame || gameMode == EndOfGame) {
12871 whiteTimeRemaining = timeRemaining[0][currentMove];
12872 blackTimeRemaining = timeRemaining[1][currentMove];
12874 DisplayBothClocks();
12875 DisplayMove(currentMove - 1);
12876 DrawPosition(full_redraw, boards[currentMove]);
12877 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12878 // [HGM] PV info: routine tests if comment empty
12879 DisplayComment(currentMove - 1, commentList[currentMove]);
12885 if (gameMode == IcsExamining && !pausing) {
12886 SendToICS(ics_prefix);
12887 SendToICS("backward\n");
12889 BackwardInner(currentMove - 1);
12896 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12897 /* to optimize, we temporarily turn off analysis mode while we undo
12898 * all the moves. Otherwise we get analysis output after each undo.
12900 if (first.analysisSupport) {
12901 SendToProgram("exit\nforce\n", &first);
12902 first.analyzing = FALSE;
12906 if (gameMode == IcsExamining && !pausing) {
12907 SendToICS(ics_prefix);
12908 SendToICS("backward 999999\n");
12910 BackwardInner(backwardMostMove);
12913 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12914 /* we have fed all the moves, so reactivate analysis mode */
12915 SendToProgram("analyze\n", &first);
12916 first.analyzing = TRUE;
12917 /*first.maybeThinking = TRUE;*/
12918 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12925 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12926 if (to >= forwardMostMove) to = forwardMostMove;
12927 if (to <= backwardMostMove) to = backwardMostMove;
12928 if (to < currentMove) {
12936 RevertEvent(Boolean annotate)
12938 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12941 if (gameMode != IcsExamining) {
12942 DisplayError(_("You are not examining a game"), 0);
12946 DisplayError(_("You can't revert while pausing"), 0);
12949 SendToICS(ics_prefix);
12950 SendToICS("revert\n");
12956 switch (gameMode) {
12957 case MachinePlaysWhite:
12958 case MachinePlaysBlack:
12959 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12960 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12963 if (forwardMostMove < 2) return;
12964 currentMove = forwardMostMove = forwardMostMove - 2;
12965 whiteTimeRemaining = timeRemaining[0][currentMove];
12966 blackTimeRemaining = timeRemaining[1][currentMove];
12967 DisplayBothClocks();
12968 DisplayMove(currentMove - 1);
12969 ClearHighlights();/*!! could figure this out*/
12970 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12971 SendToProgram("remove\n", &first);
12972 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12975 case BeginningOfGame:
12979 case IcsPlayingWhite:
12980 case IcsPlayingBlack:
12981 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12982 SendToICS(ics_prefix);
12983 SendToICS("takeback 2\n");
12985 SendToICS(ics_prefix);
12986 SendToICS("takeback 1\n");
12995 ChessProgramState *cps;
12997 switch (gameMode) {
12998 case MachinePlaysWhite:
12999 if (!WhiteOnMove(forwardMostMove)) {
13000 DisplayError(_("It is your turn"), 0);
13005 case MachinePlaysBlack:
13006 if (WhiteOnMove(forwardMostMove)) {
13007 DisplayError(_("It is your turn"), 0);
13012 case TwoMachinesPlay:
13013 if (WhiteOnMove(forwardMostMove) ==
13014 (first.twoMachinesColor[0] == 'w')) {
13020 case BeginningOfGame:
13024 SendToProgram("?\n", cps);
13028 TruncateGameEvent()
13031 if (gameMode != EditGame) return;
13038 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
13039 if (forwardMostMove > currentMove) {
13040 if (gameInfo.resultDetails != NULL) {
13041 free(gameInfo.resultDetails);
13042 gameInfo.resultDetails = NULL;
13043 gameInfo.result = GameUnfinished;
13045 forwardMostMove = currentMove;
13046 HistorySet(parseList, backwardMostMove, forwardMostMove,
13054 if (appData.noChessProgram) return;
13055 switch (gameMode) {
13056 case MachinePlaysWhite:
13057 if (WhiteOnMove(forwardMostMove)) {
13058 DisplayError(_("Wait until your turn"), 0);
13062 case BeginningOfGame:
13063 case MachinePlaysBlack:
13064 if (!WhiteOnMove(forwardMostMove)) {
13065 DisplayError(_("Wait until your turn"), 0);
13070 DisplayError(_("No hint available"), 0);
13073 SendToProgram("hint\n", &first);
13074 hintRequested = TRUE;
13080 if (appData.noChessProgram) return;
13081 switch (gameMode) {
13082 case MachinePlaysWhite:
13083 if (WhiteOnMove(forwardMostMove)) {
13084 DisplayError(_("Wait until your turn"), 0);
13088 case BeginningOfGame:
13089 case MachinePlaysBlack:
13090 if (!WhiteOnMove(forwardMostMove)) {
13091 DisplayError(_("Wait until your turn"), 0);
13096 EditPositionDone(TRUE);
13098 case TwoMachinesPlay:
13103 SendToProgram("bk\n", &first);
13104 bookOutput[0] = NULLCHAR;
13105 bookRequested = TRUE;
13111 char *tags = PGNTags(&gameInfo);
13112 TagsPopUp(tags, CmailMsg());
13116 /* end button procedures */
13119 PrintPosition(fp, move)
13125 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13126 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13127 char c = PieceToChar(boards[move][i][j]);
13128 fputc(c == 'x' ? '.' : c, fp);
13129 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13132 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13133 fprintf(fp, "white to play\n");
13135 fprintf(fp, "black to play\n");
13142 if (gameInfo.white != NULL) {
13143 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13149 /* Find last component of program's own name, using some heuristics */
13151 TidyProgramName(prog, host, buf)
13152 char *prog, *host, buf[MSG_SIZ];
13155 int local = (strcmp(host, "localhost") == 0);
13156 while (!local && (p = strchr(prog, ';')) != NULL) {
13158 while (*p == ' ') p++;
13161 if (*prog == '"' || *prog == '\'') {
13162 q = strchr(prog + 1, *prog);
13164 q = strchr(prog, ' ');
13166 if (q == NULL) q = prog + strlen(prog);
13168 while (p >= prog && *p != '/' && *p != '\\') p--;
13170 if(p == prog && *p == '"') p++;
13171 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13172 memcpy(buf, p, q - p);
13173 buf[q - p] = NULLCHAR;
13181 TimeControlTagValue()
13184 if (!appData.clockMode) {
13185 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13186 } else if (movesPerSession > 0) {
13187 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13188 } else if (timeIncrement == 0) {
13189 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13191 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13193 return StrSave(buf);
13199 /* This routine is used only for certain modes */
13200 VariantClass v = gameInfo.variant;
13201 ChessMove r = GameUnfinished;
13204 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13205 r = gameInfo.result;
13206 p = gameInfo.resultDetails;
13207 gameInfo.resultDetails = NULL;
13209 ClearGameInfo(&gameInfo);
13210 gameInfo.variant = v;
13212 switch (gameMode) {
13213 case MachinePlaysWhite:
13214 gameInfo.event = StrSave( appData.pgnEventHeader );
13215 gameInfo.site = StrSave(HostName());
13216 gameInfo.date = PGNDate();
13217 gameInfo.round = StrSave("-");
13218 gameInfo.white = StrSave(first.tidy);
13219 gameInfo.black = StrSave(UserName());
13220 gameInfo.timeControl = TimeControlTagValue();
13223 case MachinePlaysBlack:
13224 gameInfo.event = StrSave( appData.pgnEventHeader );
13225 gameInfo.site = StrSave(HostName());
13226 gameInfo.date = PGNDate();
13227 gameInfo.round = StrSave("-");
13228 gameInfo.white = StrSave(UserName());
13229 gameInfo.black = StrSave(first.tidy);
13230 gameInfo.timeControl = TimeControlTagValue();
13233 case TwoMachinesPlay:
13234 gameInfo.event = StrSave( appData.pgnEventHeader );
13235 gameInfo.site = StrSave(HostName());
13236 gameInfo.date = PGNDate();
13237 if (matchGame > 0) {
13239 snprintf(buf, MSG_SIZ, "%d", matchGame);
13240 gameInfo.round = StrSave(buf);
13242 gameInfo.round = StrSave("-");
13244 if (first.twoMachinesColor[0] == 'w') {
13245 gameInfo.white = StrSave(first.tidy);
13246 gameInfo.black = StrSave(second.tidy);
13248 gameInfo.white = StrSave(second.tidy);
13249 gameInfo.black = StrSave(first.tidy);
13251 gameInfo.timeControl = TimeControlTagValue();
13255 gameInfo.event = StrSave("Edited game");
13256 gameInfo.site = StrSave(HostName());
13257 gameInfo.date = PGNDate();
13258 gameInfo.round = StrSave("-");
13259 gameInfo.white = StrSave("-");
13260 gameInfo.black = StrSave("-");
13261 gameInfo.result = r;
13262 gameInfo.resultDetails = p;
13266 gameInfo.event = StrSave("Edited position");
13267 gameInfo.site = StrSave(HostName());
13268 gameInfo.date = PGNDate();
13269 gameInfo.round = StrSave("-");
13270 gameInfo.white = StrSave("-");
13271 gameInfo.black = StrSave("-");
13274 case IcsPlayingWhite:
13275 case IcsPlayingBlack:
13280 case PlayFromGameFile:
13281 gameInfo.event = StrSave("Game from non-PGN file");
13282 gameInfo.site = StrSave(HostName());
13283 gameInfo.date = PGNDate();
13284 gameInfo.round = StrSave("-");
13285 gameInfo.white = StrSave("?");
13286 gameInfo.black = StrSave("?");
13295 ReplaceComment(index, text)
13301 while (*text == '\n') text++;
13302 len = strlen(text);
13303 while (len > 0 && text[len - 1] == '\n') len--;
13305 if (commentList[index] != NULL)
13306 free(commentList[index]);
13309 commentList[index] = NULL;
13312 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13313 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13314 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13315 commentList[index] = (char *) malloc(len + 2);
13316 strncpy(commentList[index], text, len);
13317 commentList[index][len] = '\n';
13318 commentList[index][len + 1] = NULLCHAR;
13320 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13322 commentList[index] = (char *) malloc(len + 7);
13323 safeStrCpy(commentList[index], "{\n", 3);
13324 safeStrCpy(commentList[index]+2, text, len+1);
13325 commentList[index][len+2] = NULLCHAR;
13326 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13327 strcat(commentList[index], "\n}\n");
13341 if (ch == '\r') continue;
13343 } while (ch != '\0');
13347 AppendComment(index, text, addBraces)
13350 Boolean addBraces; // [HGM] braces: tells if we should add {}
13355 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13356 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13359 while (*text == '\n') text++;
13360 len = strlen(text);
13361 while (len > 0 && text[len - 1] == '\n') len--;
13363 if (len == 0) return;
13365 if (commentList[index] != NULL) {
13366 old = commentList[index];
13367 oldlen = strlen(old);
13368 while(commentList[index][oldlen-1] == '\n')
13369 commentList[index][--oldlen] = NULLCHAR;
13370 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13371 safeStrCpy(commentList[index], old, oldlen + len + 6);
13373 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13374 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13375 if(addBraces) addBraces = FALSE; else { text++; len--; }
13376 while (*text == '\n') { text++; len--; }
13377 commentList[index][--oldlen] = NULLCHAR;
13379 if(addBraces) strcat(commentList[index], "\n{\n");
13380 else strcat(commentList[index], "\n");
13381 strcat(commentList[index], text);
13382 if(addBraces) strcat(commentList[index], "\n}\n");
13383 else strcat(commentList[index], "\n");
13385 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13387 safeStrCpy(commentList[index], "{\n", 3);
13388 else commentList[index][0] = NULLCHAR;
13389 strcat(commentList[index], text);
13390 strcat(commentList[index], "\n");
13391 if(addBraces) strcat(commentList[index], "}\n");
13395 static char * FindStr( char * text, char * sub_text )
13397 char * result = strstr( text, sub_text );
13399 if( result != NULL ) {
13400 result += strlen( sub_text );
13406 /* [AS] Try to extract PV info from PGN comment */
13407 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13408 char *GetInfoFromComment( int index, char * text )
13412 if( text != NULL && index > 0 ) {
13415 int time = -1, sec = 0, deci;
13416 char * s_eval = FindStr( text, "[%eval " );
13417 char * s_emt = FindStr( text, "[%emt " );
13419 if( s_eval != NULL || s_emt != NULL ) {
13423 if( s_eval != NULL ) {
13424 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13428 if( delim != ']' ) {
13433 if( s_emt != NULL ) {
13438 /* We expect something like: [+|-]nnn.nn/dd */
13441 if(*text != '{') return text; // [HGM] braces: must be normal comment
13443 sep = strchr( text, '/' );
13444 if( sep == NULL || sep < (text+4) ) {
13448 time = -1; sec = -1; deci = -1;
13449 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13450 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13451 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13452 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13456 if( score_lo < 0 || score_lo >= 100 ) {
13460 if(sec >= 0) time = 600*time + 10*sec; else
13461 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13463 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13465 /* [HGM] PV time: now locate end of PV info */
13466 while( *++sep >= '0' && *sep <= '9'); // strip depth
13468 while( *++sep >= '0' && *sep <= '9'); // strip time
13470 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13472 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13473 while(*sep == ' ') sep++;
13484 pvInfoList[index-1].depth = depth;
13485 pvInfoList[index-1].score = score;
13486 pvInfoList[index-1].time = 10*time; // centi-sec
13487 if(*sep == '}') *sep = 0; else *--sep = '{';
13493 SendToProgram(message, cps)
13495 ChessProgramState *cps;
13497 int count, outCount, error;
13500 if (cps->pr == NULL) return;
13503 if (appData.debugMode) {
13506 fprintf(debugFP, "%ld >%-6s: %s",
13507 SubtractTimeMarks(&now, &programStartTime),
13508 cps->which, message);
13511 count = strlen(message);
13512 outCount = OutputToProcess(cps->pr, message, count, &error);
13513 if (outCount < count && !exiting
13514 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13515 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), cps->which);
13516 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13517 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13518 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13519 snprintf(buf, MSG_SIZ, "%s program exits in draw position (%s)", cps->which, cps->program);
13521 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13523 gameInfo.resultDetails = StrSave(buf);
13525 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13530 ReceiveFromProgram(isr, closure, message, count, error)
13531 InputSourceRef isr;
13539 ChessProgramState *cps = (ChessProgramState *)closure;
13541 if (isr != cps->isr) return; /* Killed intentionally */
13544 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13545 cps->which, cps->program);
13546 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13547 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13548 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13549 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13551 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13553 gameInfo.resultDetails = StrSave(buf);
13555 RemoveInputSource(cps->isr);
13556 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13558 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13559 cps->which, cps->program);
13560 RemoveInputSource(cps->isr);
13562 /* [AS] Program is misbehaving badly... kill it */
13563 if( count == -2 ) {
13564 DestroyChildProcess( cps->pr, 9 );
13568 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13573 if ((end_str = strchr(message, '\r')) != NULL)
13574 *end_str = NULLCHAR;
13575 if ((end_str = strchr(message, '\n')) != NULL)
13576 *end_str = NULLCHAR;
13578 if (appData.debugMode) {
13579 TimeMark now; int print = 1;
13580 char *quote = ""; char c; int i;
13582 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13583 char start = message[0];
13584 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13585 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13586 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13587 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13588 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13589 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13590 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13591 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
13592 sscanf(message, "hint: %c", &c)!=1 &&
13593 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13594 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13595 print = (appData.engineComments >= 2);
13597 message[0] = start; // restore original message
13601 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13602 SubtractTimeMarks(&now, &programStartTime), cps->which,
13608 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13609 if (appData.icsEngineAnalyze) {
13610 if (strstr(message, "whisper") != NULL ||
13611 strstr(message, "kibitz") != NULL ||
13612 strstr(message, "tellics") != NULL) return;
13615 HandleMachineMove(message, cps);
13620 SendTimeControl(cps, mps, tc, inc, sd, st)
13621 ChessProgramState *cps;
13622 int mps, inc, sd, st;
13628 if( timeControl_2 > 0 ) {
13629 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13630 tc = timeControl_2;
13633 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13634 inc /= cps->timeOdds;
13635 st /= cps->timeOdds;
13637 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13640 /* Set exact time per move, normally using st command */
13641 if (cps->stKludge) {
13642 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13644 if (seconds == 0) {
13645 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13647 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13650 snprintf(buf, MSG_SIZ, "st %d\n", st);
13653 /* Set conventional or incremental time control, using level command */
13654 if (seconds == 0) {
13655 /* Note old gnuchess bug -- minutes:seconds used to not work.
13656 Fixed in later versions, but still avoid :seconds
13657 when seconds is 0. */
13658 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
13660 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13661 seconds, inc/1000.);
13664 SendToProgram(buf, cps);
13666 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13667 /* Orthogonally, limit search to given depth */
13669 if (cps->sdKludge) {
13670 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13672 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13674 SendToProgram(buf, cps);
13677 if(cps->nps > 0) { /* [HGM] nps */
13678 if(cps->supportsNPS == FALSE)
13679 cps->nps = -1; // don't use if engine explicitly says not supported!
13681 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13682 SendToProgram(buf, cps);
13687 ChessProgramState *WhitePlayer()
13688 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13690 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13691 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13697 SendTimeRemaining(cps, machineWhite)
13698 ChessProgramState *cps;
13699 int /*boolean*/ machineWhite;
13701 char message[MSG_SIZ];
13704 /* Note: this routine must be called when the clocks are stopped
13705 or when they have *just* been set or switched; otherwise
13706 it will be off by the time since the current tick started.
13708 if (machineWhite) {
13709 time = whiteTimeRemaining / 10;
13710 otime = blackTimeRemaining / 10;
13712 time = blackTimeRemaining / 10;
13713 otime = whiteTimeRemaining / 10;
13715 /* [HGM] translate opponent's time by time-odds factor */
13716 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13717 if (appData.debugMode) {
13718 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13721 if (time <= 0) time = 1;
13722 if (otime <= 0) otime = 1;
13724 snprintf(message, MSG_SIZ, "time %ld\n", time);
13725 SendToProgram(message, cps);
13727 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13728 SendToProgram(message, cps);
13732 BoolFeature(p, name, loc, cps)
13736 ChessProgramState *cps;
13739 int len = strlen(name);
13742 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13744 sscanf(*p, "%d", &val);
13746 while (**p && **p != ' ')
13748 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13749 SendToProgram(buf, cps);
13756 IntFeature(p, name, loc, cps)
13760 ChessProgramState *cps;
13763 int len = strlen(name);
13764 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13766 sscanf(*p, "%d", loc);
13767 while (**p && **p != ' ') (*p)++;
13768 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13769 SendToProgram(buf, cps);
13776 StringFeature(p, name, loc, cps)
13780 ChessProgramState *cps;
13783 int len = strlen(name);
13784 if (strncmp((*p), name, len) == 0
13785 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13787 sscanf(*p, "%[^\"]", loc);
13788 while (**p && **p != '\"') (*p)++;
13789 if (**p == '\"') (*p)++;
13790 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13791 SendToProgram(buf, cps);
13798 ParseOption(Option *opt, ChessProgramState *cps)
13799 // [HGM] options: process the string that defines an engine option, and determine
13800 // name, type, default value, and allowed value range
13802 char *p, *q, buf[MSG_SIZ];
13803 int n, min = (-1)<<31, max = 1<<31, def;
13805 if(p = strstr(opt->name, " -spin ")) {
13806 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13807 if(max < min) max = min; // enforce consistency
13808 if(def < min) def = min;
13809 if(def > max) def = max;
13814 } else if((p = strstr(opt->name, " -slider "))) {
13815 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13816 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13817 if(max < min) max = min; // enforce consistency
13818 if(def < min) def = min;
13819 if(def > max) def = max;
13823 opt->type = Spin; // Slider;
13824 } else if((p = strstr(opt->name, " -string "))) {
13825 opt->textValue = p+9;
13826 opt->type = TextBox;
13827 } else if((p = strstr(opt->name, " -file "))) {
13828 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13829 opt->textValue = p+7;
13830 opt->type = TextBox; // FileName;
13831 } else if((p = strstr(opt->name, " -path "))) {
13832 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13833 opt->textValue = p+7;
13834 opt->type = TextBox; // PathName;
13835 } else if(p = strstr(opt->name, " -check ")) {
13836 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13837 opt->value = (def != 0);
13838 opt->type = CheckBox;
13839 } else if(p = strstr(opt->name, " -combo ")) {
13840 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13841 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13842 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13843 opt->value = n = 0;
13844 while(q = StrStr(q, " /// ")) {
13845 n++; *q = 0; // count choices, and null-terminate each of them
13847 if(*q == '*') { // remember default, which is marked with * prefix
13851 cps->comboList[cps->comboCnt++] = q;
13853 cps->comboList[cps->comboCnt++] = NULL;
13855 opt->type = ComboBox;
13856 } else if(p = strstr(opt->name, " -button")) {
13857 opt->type = Button;
13858 } else if(p = strstr(opt->name, " -save")) {
13859 opt->type = SaveButton;
13860 } else return FALSE;
13861 *p = 0; // terminate option name
13862 // now look if the command-line options define a setting for this engine option.
13863 if(cps->optionSettings && cps->optionSettings[0])
13864 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13865 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13866 snprintf(buf, MSG_SIZ, "option %s", p);
13867 if(p = strstr(buf, ",")) *p = 0;
13868 if(q = strchr(buf, '=')) switch(opt->type) {
13870 for(n=0; n<opt->max; n++)
13871 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
13874 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
13878 opt->value = atoi(q+1);
13883 SendToProgram(buf, cps);
13889 FeatureDone(cps, val)
13890 ChessProgramState* cps;
13893 DelayedEventCallback cb = GetDelayedEvent();
13894 if ((cb == InitBackEnd3 && cps == &first) ||
13895 (cb == SettingsMenuIfReady && cps == &second) ||
13896 (cb == TwoMachinesEventIfReady && cps == &second)) {
13897 CancelDelayedEvent();
13898 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13900 cps->initDone = val;
13903 /* Parse feature command from engine */
13905 ParseFeatures(args, cps)
13907 ChessProgramState *cps;
13915 while (*p == ' ') p++;
13916 if (*p == NULLCHAR) return;
13918 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13919 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13920 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13921 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13922 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13923 if (BoolFeature(&p, "reuse", &val, cps)) {
13924 /* Engine can disable reuse, but can't enable it if user said no */
13925 if (!val) cps->reuse = FALSE;
13928 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13929 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13930 if (gameMode == TwoMachinesPlay) {
13931 DisplayTwoMachinesTitle();
13937 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13938 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13939 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13940 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13941 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13942 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13943 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13944 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13945 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13946 if (IntFeature(&p, "done", &val, cps)) {
13947 FeatureDone(cps, val);
13950 /* Added by Tord: */
13951 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13952 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13953 /* End of additions by Tord */
13955 /* [HGM] added features: */
13956 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13957 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13958 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13959 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13960 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13961 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13962 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13963 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13964 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13965 SendToProgram(buf, cps);
13968 if(cps->nrOptions >= MAX_OPTIONS) {
13970 snprintf(buf, MSG_SIZ, "%s engine has too many options\n", cps->which);
13971 DisplayError(buf, 0);
13975 /* End of additions by HGM */
13977 /* unknown feature: complain and skip */
13979 while (*q && *q != '=') q++;
13980 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
13981 SendToProgram(buf, cps);
13987 while (*p && *p != '\"') p++;
13988 if (*p == '\"') p++;
13990 while (*p && *p != ' ') p++;
13998 PeriodicUpdatesEvent(newState)
14001 if (newState == appData.periodicUpdates)
14004 appData.periodicUpdates=newState;
14006 /* Display type changes, so update it now */
14007 // DisplayAnalysis();
14009 /* Get the ball rolling again... */
14011 AnalysisPeriodicEvent(1);
14012 StartAnalysisClock();
14017 PonderNextMoveEvent(newState)
14020 if (newState == appData.ponderNextMove) return;
14021 if (gameMode == EditPosition) EditPositionDone(TRUE);
14023 SendToProgram("hard\n", &first);
14024 if (gameMode == TwoMachinesPlay) {
14025 SendToProgram("hard\n", &second);
14028 SendToProgram("easy\n", &first);
14029 thinkOutput[0] = NULLCHAR;
14030 if (gameMode == TwoMachinesPlay) {
14031 SendToProgram("easy\n", &second);
14034 appData.ponderNextMove = newState;
14038 NewSettingEvent(option, feature, command, value)
14040 int option, value, *feature;
14044 if (gameMode == EditPosition) EditPositionDone(TRUE);
14045 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
14046 if(feature == NULL || *feature) SendToProgram(buf, &first);
14047 if (gameMode == TwoMachinesPlay) {
14048 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
14053 ShowThinkingEvent()
14054 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
14056 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
14057 int newState = appData.showThinking
14058 // [HGM] thinking: other features now need thinking output as well
14059 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
14061 if (oldState == newState) return;
14062 oldState = newState;
14063 if (gameMode == EditPosition) EditPositionDone(TRUE);
14065 SendToProgram("post\n", &first);
14066 if (gameMode == TwoMachinesPlay) {
14067 SendToProgram("post\n", &second);
14070 SendToProgram("nopost\n", &first);
14071 thinkOutput[0] = NULLCHAR;
14072 if (gameMode == TwoMachinesPlay) {
14073 SendToProgram("nopost\n", &second);
14076 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
14080 AskQuestionEvent(title, question, replyPrefix, which)
14081 char *title; char *question; char *replyPrefix; char *which;
14083 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
14084 if (pr == NoProc) return;
14085 AskQuestion(title, question, replyPrefix, pr);
14089 DisplayMove(moveNumber)
14092 char message[MSG_SIZ];
14094 char cpThinkOutput[MSG_SIZ];
14096 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14098 if (moveNumber == forwardMostMove - 1 ||
14099 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14101 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14103 if (strchr(cpThinkOutput, '\n')) {
14104 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14107 *cpThinkOutput = NULLCHAR;
14110 /* [AS] Hide thinking from human user */
14111 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14112 *cpThinkOutput = NULLCHAR;
14113 if( thinkOutput[0] != NULLCHAR ) {
14116 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14117 cpThinkOutput[i] = '.';
14119 cpThinkOutput[i] = NULLCHAR;
14120 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14124 if (moveNumber == forwardMostMove - 1 &&
14125 gameInfo.resultDetails != NULL) {
14126 if (gameInfo.resultDetails[0] == NULLCHAR) {
14127 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14129 snprintf(res, MSG_SIZ, " {%s} %s",
14130 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14136 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14137 DisplayMessage(res, cpThinkOutput);
14139 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14140 WhiteOnMove(moveNumber) ? " " : ".. ",
14141 parseList[moveNumber], res);
14142 DisplayMessage(message, cpThinkOutput);
14147 DisplayComment(moveNumber, text)
14151 char title[MSG_SIZ];
14152 char buf[8000]; // comment can be long!
14155 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14156 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14158 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14159 WhiteOnMove(moveNumber) ? " " : ".. ",
14160 parseList[moveNumber]);
14162 // [HGM] PV info: display PV info together with (or as) comment
14163 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14164 if(text == NULL) text = "";
14165 score = pvInfoList[moveNumber].score;
14166 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14167 depth, (pvInfoList[moveNumber].time+50)/100, text);
14170 if (text != NULL && (appData.autoDisplayComment || commentUp))
14171 CommentPopUp(title, text);
14174 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14175 * might be busy thinking or pondering. It can be omitted if your
14176 * gnuchess is configured to stop thinking immediately on any user
14177 * input. However, that gnuchess feature depends on the FIONREAD
14178 * ioctl, which does not work properly on some flavors of Unix.
14182 ChessProgramState *cps;
14185 if (!cps->useSigint) return;
14186 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14187 switch (gameMode) {
14188 case MachinePlaysWhite:
14189 case MachinePlaysBlack:
14190 case TwoMachinesPlay:
14191 case IcsPlayingWhite:
14192 case IcsPlayingBlack:
14195 /* Skip if we know it isn't thinking */
14196 if (!cps->maybeThinking) return;
14197 if (appData.debugMode)
14198 fprintf(debugFP, "Interrupting %s\n", cps->which);
14199 InterruptChildProcess(cps->pr);
14200 cps->maybeThinking = FALSE;
14205 #endif /*ATTENTION*/
14211 if (whiteTimeRemaining <= 0) {
14214 if (appData.icsActive) {
14215 if (appData.autoCallFlag &&
14216 gameMode == IcsPlayingBlack && !blackFlag) {
14217 SendToICS(ics_prefix);
14218 SendToICS("flag\n");
14222 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14224 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14225 if (appData.autoCallFlag) {
14226 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14233 if (blackTimeRemaining <= 0) {
14236 if (appData.icsActive) {
14237 if (appData.autoCallFlag &&
14238 gameMode == IcsPlayingWhite && !whiteFlag) {
14239 SendToICS(ics_prefix);
14240 SendToICS("flag\n");
14244 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14246 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14247 if (appData.autoCallFlag) {
14248 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14261 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14262 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14265 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14267 if ( !WhiteOnMove(forwardMostMove) ) {
14268 /* White made time control */
14269 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14270 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14271 /* [HGM] time odds: correct new time quota for time odds! */
14272 / WhitePlayer()->timeOdds;
14273 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14275 lastBlack -= blackTimeRemaining;
14276 /* Black made time control */
14277 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14278 / WhitePlayer()->other->timeOdds;
14279 lastWhite = whiteTimeRemaining;
14284 DisplayBothClocks()
14286 int wom = gameMode == EditPosition ?
14287 !blackPlaysFirst : WhiteOnMove(currentMove);
14288 DisplayWhiteClock(whiteTimeRemaining, wom);
14289 DisplayBlackClock(blackTimeRemaining, !wom);
14293 /* Timekeeping seems to be a portability nightmare. I think everyone
14294 has ftime(), but I'm really not sure, so I'm including some ifdefs
14295 to use other calls if you don't. Clocks will be less accurate if
14296 you have neither ftime nor gettimeofday.
14299 /* VS 2008 requires the #include outside of the function */
14300 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14301 #include <sys/timeb.h>
14304 /* Get the current time as a TimeMark */
14309 #if HAVE_GETTIMEOFDAY
14311 struct timeval timeVal;
14312 struct timezone timeZone;
14314 gettimeofday(&timeVal, &timeZone);
14315 tm->sec = (long) timeVal.tv_sec;
14316 tm->ms = (int) (timeVal.tv_usec / 1000L);
14318 #else /*!HAVE_GETTIMEOFDAY*/
14321 // include <sys/timeb.h> / moved to just above start of function
14322 struct timeb timeB;
14325 tm->sec = (long) timeB.time;
14326 tm->ms = (int) timeB.millitm;
14328 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14329 tm->sec = (long) time(NULL);
14335 /* Return the difference in milliseconds between two
14336 time marks. We assume the difference will fit in a long!
14339 SubtractTimeMarks(tm2, tm1)
14340 TimeMark *tm2, *tm1;
14342 return 1000L*(tm2->sec - tm1->sec) +
14343 (long) (tm2->ms - tm1->ms);
14348 * Code to manage the game clocks.
14350 * In tournament play, black starts the clock and then white makes a move.
14351 * We give the human user a slight advantage if he is playing white---the
14352 * clocks don't run until he makes his first move, so it takes zero time.
14353 * Also, we don't account for network lag, so we could get out of sync
14354 * with GNU Chess's clock -- but then, referees are always right.
14357 static TimeMark tickStartTM;
14358 static long intendedTickLength;
14361 NextTickLength(timeRemaining)
14362 long timeRemaining;
14364 long nominalTickLength, nextTickLength;
14366 if (timeRemaining > 0L && timeRemaining <= 10000L)
14367 nominalTickLength = 100L;
14369 nominalTickLength = 1000L;
14370 nextTickLength = timeRemaining % nominalTickLength;
14371 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14373 return nextTickLength;
14376 /* Adjust clock one minute up or down */
14378 AdjustClock(Boolean which, int dir)
14380 if(which) blackTimeRemaining += 60000*dir;
14381 else whiteTimeRemaining += 60000*dir;
14382 DisplayBothClocks();
14385 /* Stop clocks and reset to a fresh time control */
14389 (void) StopClockTimer();
14390 if (appData.icsActive) {
14391 whiteTimeRemaining = blackTimeRemaining = 0;
14392 } else if (searchTime) {
14393 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14394 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14395 } else { /* [HGM] correct new time quote for time odds */
14396 whiteTC = blackTC = fullTimeControlString;
14397 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14398 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14400 if (whiteFlag || blackFlag) {
14402 whiteFlag = blackFlag = FALSE;
14404 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14405 DisplayBothClocks();
14408 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14410 /* Decrement running clock by amount of time that has passed */
14414 long timeRemaining;
14415 long lastTickLength, fudge;
14418 if (!appData.clockMode) return;
14419 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14423 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14425 /* Fudge if we woke up a little too soon */
14426 fudge = intendedTickLength - lastTickLength;
14427 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14429 if (WhiteOnMove(forwardMostMove)) {
14430 if(whiteNPS >= 0) lastTickLength = 0;
14431 timeRemaining = whiteTimeRemaining -= lastTickLength;
14432 if(timeRemaining < 0 && !appData.icsActive) {
14433 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14434 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14435 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14436 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14439 DisplayWhiteClock(whiteTimeRemaining - fudge,
14440 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14442 if(blackNPS >= 0) lastTickLength = 0;
14443 timeRemaining = blackTimeRemaining -= lastTickLength;
14444 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
14445 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14447 blackStartMove = forwardMostMove;
14448 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14451 DisplayBlackClock(blackTimeRemaining - fudge,
14452 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14454 if (CheckFlags()) return;
14457 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14458 StartClockTimer(intendedTickLength);
14460 /* if the time remaining has fallen below the alarm threshold, sound the
14461 * alarm. if the alarm has sounded and (due to a takeback or time control
14462 * with increment) the time remaining has increased to a level above the
14463 * threshold, reset the alarm so it can sound again.
14466 if (appData.icsActive && appData.icsAlarm) {
14468 /* make sure we are dealing with the user's clock */
14469 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14470 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14473 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14474 alarmSounded = FALSE;
14475 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14477 alarmSounded = TRUE;
14483 /* A player has just moved, so stop the previously running
14484 clock and (if in clock mode) start the other one.
14485 We redisplay both clocks in case we're in ICS mode, because
14486 ICS gives us an update to both clocks after every move.
14487 Note that this routine is called *after* forwardMostMove
14488 is updated, so the last fractional tick must be subtracted
14489 from the color that is *not* on move now.
14492 SwitchClocks(int newMoveNr)
14494 long lastTickLength;
14496 int flagged = FALSE;
14500 if (StopClockTimer() && appData.clockMode) {
14501 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14502 if (!WhiteOnMove(forwardMostMove)) {
14503 if(blackNPS >= 0) lastTickLength = 0;
14504 blackTimeRemaining -= lastTickLength;
14505 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14506 // if(pvInfoList[forwardMostMove-1].time == -1)
14507 pvInfoList[forwardMostMove-1].time = // use GUI time
14508 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14510 if(whiteNPS >= 0) lastTickLength = 0;
14511 whiteTimeRemaining -= lastTickLength;
14512 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14513 // if(pvInfoList[forwardMostMove-1].time == -1)
14514 pvInfoList[forwardMostMove-1].time =
14515 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14517 flagged = CheckFlags();
14519 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14520 CheckTimeControl();
14522 if (flagged || !appData.clockMode) return;
14524 switch (gameMode) {
14525 case MachinePlaysBlack:
14526 case MachinePlaysWhite:
14527 case BeginningOfGame:
14528 if (pausing) return;
14532 case PlayFromGameFile:
14540 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14541 if(WhiteOnMove(forwardMostMove))
14542 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14543 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14547 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14548 whiteTimeRemaining : blackTimeRemaining);
14549 StartClockTimer(intendedTickLength);
14553 /* Stop both clocks */
14557 long lastTickLength;
14560 if (!StopClockTimer()) return;
14561 if (!appData.clockMode) return;
14565 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14566 if (WhiteOnMove(forwardMostMove)) {
14567 if(whiteNPS >= 0) lastTickLength = 0;
14568 whiteTimeRemaining -= lastTickLength;
14569 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14571 if(blackNPS >= 0) lastTickLength = 0;
14572 blackTimeRemaining -= lastTickLength;
14573 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14578 /* Start clock of player on move. Time may have been reset, so
14579 if clock is already running, stop and restart it. */
14583 (void) StopClockTimer(); /* in case it was running already */
14584 DisplayBothClocks();
14585 if (CheckFlags()) return;
14587 if (!appData.clockMode) return;
14588 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14590 GetTimeMark(&tickStartTM);
14591 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14592 whiteTimeRemaining : blackTimeRemaining);
14594 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14595 whiteNPS = blackNPS = -1;
14596 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14597 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14598 whiteNPS = first.nps;
14599 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14600 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14601 blackNPS = first.nps;
14602 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14603 whiteNPS = second.nps;
14604 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14605 blackNPS = second.nps;
14606 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14608 StartClockTimer(intendedTickLength);
14615 long second, minute, hour, day;
14617 static char buf[32];
14619 if (ms > 0 && ms <= 9900) {
14620 /* convert milliseconds to tenths, rounding up */
14621 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14623 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14627 /* convert milliseconds to seconds, rounding up */
14628 /* use floating point to avoid strangeness of integer division
14629 with negative dividends on many machines */
14630 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14637 day = second / (60 * 60 * 24);
14638 second = second % (60 * 60 * 24);
14639 hour = second / (60 * 60);
14640 second = second % (60 * 60);
14641 minute = second / 60;
14642 second = second % 60;
14645 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14646 sign, day, hour, minute, second);
14648 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14650 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14657 * This is necessary because some C libraries aren't ANSI C compliant yet.
14660 StrStr(string, match)
14661 char *string, *match;
14665 length = strlen(match);
14667 for (i = strlen(string) - length; i >= 0; i--, string++)
14668 if (!strncmp(match, string, length))
14675 StrCaseStr(string, match)
14676 char *string, *match;
14680 length = strlen(match);
14682 for (i = strlen(string) - length; i >= 0; i--, string++) {
14683 for (j = 0; j < length; j++) {
14684 if (ToLower(match[j]) != ToLower(string[j]))
14687 if (j == length) return string;
14701 c1 = ToLower(*s1++);
14702 c2 = ToLower(*s2++);
14703 if (c1 > c2) return 1;
14704 if (c1 < c2) return -1;
14705 if (c1 == NULLCHAR) return 0;
14714 return isupper(c) ? tolower(c) : c;
14722 return islower(c) ? toupper(c) : c;
14724 #endif /* !_amigados */
14732 if ((ret = (char *) malloc(strlen(s) + 1)))
14734 safeStrCpy(ret, s, strlen(s)+1);
14740 StrSavePtr(s, savePtr)
14741 char *s, **savePtr;
14746 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14747 safeStrCpy(*savePtr, s, strlen(s)+1);
14759 clock = time((time_t *)NULL);
14760 tm = localtime(&clock);
14761 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14762 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14763 return StrSave(buf);
14768 PositionToFEN(move, overrideCastling)
14770 char *overrideCastling;
14772 int i, j, fromX, fromY, toX, toY;
14779 whiteToPlay = (gameMode == EditPosition) ?
14780 !blackPlaysFirst : (move % 2 == 0);
14783 /* Piece placement data */
14784 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14786 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14787 if (boards[move][i][j] == EmptySquare) {
14789 } else { ChessSquare piece = boards[move][i][j];
14790 if (emptycount > 0) {
14791 if(emptycount<10) /* [HGM] can be >= 10 */
14792 *p++ = '0' + emptycount;
14793 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14796 if(PieceToChar(piece) == '+') {
14797 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14799 piece = (ChessSquare)(DEMOTED piece);
14801 *p++ = PieceToChar(piece);
14803 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14804 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14809 if (emptycount > 0) {
14810 if(emptycount<10) /* [HGM] can be >= 10 */
14811 *p++ = '0' + emptycount;
14812 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14819 /* [HGM] print Crazyhouse or Shogi holdings */
14820 if( gameInfo.holdingsWidth ) {
14821 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14823 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14824 piece = boards[move][i][BOARD_WIDTH-1];
14825 if( piece != EmptySquare )
14826 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14827 *p++ = PieceToChar(piece);
14829 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14830 piece = boards[move][BOARD_HEIGHT-i-1][0];
14831 if( piece != EmptySquare )
14832 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14833 *p++ = PieceToChar(piece);
14836 if( q == p ) *p++ = '-';
14842 *p++ = whiteToPlay ? 'w' : 'b';
14845 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14846 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14848 if(nrCastlingRights) {
14850 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14851 /* [HGM] write directly from rights */
14852 if(boards[move][CASTLING][2] != NoRights &&
14853 boards[move][CASTLING][0] != NoRights )
14854 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14855 if(boards[move][CASTLING][2] != NoRights &&
14856 boards[move][CASTLING][1] != NoRights )
14857 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14858 if(boards[move][CASTLING][5] != NoRights &&
14859 boards[move][CASTLING][3] != NoRights )
14860 *p++ = boards[move][CASTLING][3] + AAA;
14861 if(boards[move][CASTLING][5] != NoRights &&
14862 boards[move][CASTLING][4] != NoRights )
14863 *p++ = boards[move][CASTLING][4] + AAA;
14866 /* [HGM] write true castling rights */
14867 if( nrCastlingRights == 6 ) {
14868 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14869 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14870 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14871 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14872 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14873 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14874 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14875 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14878 if (q == p) *p++ = '-'; /* No castling rights */
14882 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14883 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14884 /* En passant target square */
14885 if (move > backwardMostMove) {
14886 fromX = moveList[move - 1][0] - AAA;
14887 fromY = moveList[move - 1][1] - ONE;
14888 toX = moveList[move - 1][2] - AAA;
14889 toY = moveList[move - 1][3] - ONE;
14890 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14891 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14892 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14894 /* 2-square pawn move just happened */
14896 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14900 } else if(move == backwardMostMove) {
14901 // [HGM] perhaps we should always do it like this, and forget the above?
14902 if((signed char)boards[move][EP_STATUS] >= 0) {
14903 *p++ = boards[move][EP_STATUS] + AAA;
14904 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14915 /* [HGM] find reversible plies */
14916 { int i = 0, j=move;
14918 if (appData.debugMode) { int k;
14919 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14920 for(k=backwardMostMove; k<=forwardMostMove; k++)
14921 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14925 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14926 if( j == backwardMostMove ) i += initialRulePlies;
14927 sprintf(p, "%d ", i);
14928 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14930 /* Fullmove number */
14931 sprintf(p, "%d", (move / 2) + 1);
14933 return StrSave(buf);
14937 ParseFEN(board, blackPlaysFirst, fen)
14939 int *blackPlaysFirst;
14949 /* [HGM] by default clear Crazyhouse holdings, if present */
14950 if(gameInfo.holdingsWidth) {
14951 for(i=0; i<BOARD_HEIGHT; i++) {
14952 board[i][0] = EmptySquare; /* black holdings */
14953 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14954 board[i][1] = (ChessSquare) 0; /* black counts */
14955 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14959 /* Piece placement data */
14960 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14963 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14964 if (*p == '/') p++;
14965 emptycount = gameInfo.boardWidth - j;
14966 while (emptycount--)
14967 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14969 #if(BOARD_FILES >= 10)
14970 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14971 p++; emptycount=10;
14972 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14973 while (emptycount--)
14974 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14976 } else if (isdigit(*p)) {
14977 emptycount = *p++ - '0';
14978 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14979 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14980 while (emptycount--)
14981 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14982 } else if (*p == '+' || isalpha(*p)) {
14983 if (j >= gameInfo.boardWidth) return FALSE;
14985 piece = CharToPiece(*++p);
14986 if(piece == EmptySquare) return FALSE; /* unknown piece */
14987 piece = (ChessSquare) (PROMOTED piece ); p++;
14988 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14989 } else piece = CharToPiece(*p++);
14991 if(piece==EmptySquare) return FALSE; /* unknown piece */
14992 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14993 piece = (ChessSquare) (PROMOTED piece);
14994 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14997 board[i][(j++)+gameInfo.holdingsWidth] = piece;
15003 while (*p == '/' || *p == ' ') p++;
15005 /* [HGM] look for Crazyhouse holdings here */
15006 while(*p==' ') p++;
15007 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
15009 if(*p == '-' ) p++; /* empty holdings */ else {
15010 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
15011 /* if we would allow FEN reading to set board size, we would */
15012 /* have to add holdings and shift the board read so far here */
15013 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
15015 if((int) piece >= (int) BlackPawn ) {
15016 i = (int)piece - (int)BlackPawn;
15017 i = PieceToNumber((ChessSquare)i);
15018 if( i >= gameInfo.holdingsSize ) return FALSE;
15019 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
15020 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
15022 i = (int)piece - (int)WhitePawn;
15023 i = PieceToNumber((ChessSquare)i);
15024 if( i >= gameInfo.holdingsSize ) return FALSE;
15025 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
15026 board[i][BOARD_WIDTH-2]++; /* black holdings */
15033 while(*p == ' ') p++;
15037 if(appData.colorNickNames) {
15038 if( c == appData.colorNickNames[0] ) c = 'w'; else
15039 if( c == appData.colorNickNames[1] ) c = 'b';
15043 *blackPlaysFirst = FALSE;
15046 *blackPlaysFirst = TRUE;
15052 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
15053 /* return the extra info in global variiables */
15055 /* set defaults in case FEN is incomplete */
15056 board[EP_STATUS] = EP_UNKNOWN;
15057 for(i=0; i<nrCastlingRights; i++ ) {
15058 board[CASTLING][i] =
15059 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
15060 } /* assume possible unless obviously impossible */
15061 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
15062 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
15063 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
15064 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
15065 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
15066 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
15067 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
15068 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
15071 while(*p==' ') p++;
15072 if(nrCastlingRights) {
15073 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
15074 /* castling indicator present, so default becomes no castlings */
15075 for(i=0; i<nrCastlingRights; i++ ) {
15076 board[CASTLING][i] = NoRights;
15079 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
15080 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
15081 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
15082 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
15083 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
15085 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
15086 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
15087 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
15089 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
15090 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
15091 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
15092 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15093 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15094 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15097 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15098 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15099 board[CASTLING][2] = whiteKingFile;
15102 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15103 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15104 board[CASTLING][2] = whiteKingFile;
15107 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15108 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15109 board[CASTLING][5] = blackKingFile;
15112 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15113 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15114 board[CASTLING][5] = blackKingFile;
15117 default: /* FRC castlings */
15118 if(c >= 'a') { /* black rights */
15119 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15120 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15121 if(i == BOARD_RGHT) break;
15122 board[CASTLING][5] = i;
15124 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15125 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15127 board[CASTLING][3] = c;
15129 board[CASTLING][4] = c;
15130 } else { /* white rights */
15131 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15132 if(board[0][i] == WhiteKing) break;
15133 if(i == BOARD_RGHT) break;
15134 board[CASTLING][2] = i;
15135 c -= AAA - 'a' + 'A';
15136 if(board[0][c] >= WhiteKing) break;
15138 board[CASTLING][0] = c;
15140 board[CASTLING][1] = c;
15144 for(i=0; i<nrCastlingRights; i++)
15145 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15146 if (appData.debugMode) {
15147 fprintf(debugFP, "FEN castling rights:");
15148 for(i=0; i<nrCastlingRights; i++)
15149 fprintf(debugFP, " %d", board[CASTLING][i]);
15150 fprintf(debugFP, "\n");
15153 while(*p==' ') p++;
15156 /* read e.p. field in games that know e.p. capture */
15157 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15158 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15160 p++; board[EP_STATUS] = EP_NONE;
15162 char c = *p++ - AAA;
15164 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15165 if(*p >= '0' && *p <='9') p++;
15166 board[EP_STATUS] = c;
15171 if(sscanf(p, "%d", &i) == 1) {
15172 FENrulePlies = i; /* 50-move ply counter */
15173 /* (The move number is still ignored) */
15180 EditPositionPasteFEN(char *fen)
15183 Board initial_position;
15185 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15186 DisplayError(_("Bad FEN position in clipboard"), 0);
15189 int savedBlackPlaysFirst = blackPlaysFirst;
15190 EditPositionEvent();
15191 blackPlaysFirst = savedBlackPlaysFirst;
15192 CopyBoard(boards[0], initial_position);
15193 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15194 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15195 DisplayBothClocks();
15196 DrawPosition(FALSE, boards[currentMove]);
15201 static char cseq[12] = "\\ ";
15203 Boolean set_cont_sequence(char *new_seq)
15208 // handle bad attempts to set the sequence
15210 return 0; // acceptable error - no debug
15212 len = strlen(new_seq);
15213 ret = (len > 0) && (len < sizeof(cseq));
15215 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15216 else if (appData.debugMode)
15217 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15222 reformat a source message so words don't cross the width boundary. internal
15223 newlines are not removed. returns the wrapped size (no null character unless
15224 included in source message). If dest is NULL, only calculate the size required
15225 for the dest buffer. lp argument indicats line position upon entry, and it's
15226 passed back upon exit.
15228 int wrap(char *dest, char *src, int count, int width, int *lp)
15230 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15232 cseq_len = strlen(cseq);
15233 old_line = line = *lp;
15234 ansi = len = clen = 0;
15236 for (i=0; i < count; i++)
15238 if (src[i] == '\033')
15241 // if we hit the width, back up
15242 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15244 // store i & len in case the word is too long
15245 old_i = i, old_len = len;
15247 // find the end of the last word
15248 while (i && src[i] != ' ' && src[i] != '\n')
15254 // word too long? restore i & len before splitting it
15255 if ((old_i-i+clen) >= width)
15262 if (i && src[i-1] == ' ')
15265 if (src[i] != ' ' && src[i] != '\n')
15272 // now append the newline and continuation sequence
15277 strncpy(dest+len, cseq, cseq_len);
15285 dest[len] = src[i];
15289 if (src[i] == '\n')
15294 if (dest && appData.debugMode)
15296 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15297 count, width, line, len, *lp);
15298 show_bytes(debugFP, src, count);
15299 fprintf(debugFP, "\ndest: ");
15300 show_bytes(debugFP, dest, len);
15301 fprintf(debugFP, "\n");
15303 *lp = dest ? line : old_line;
15308 // [HGM] vari: routines for shelving variations
15311 PushTail(int firstMove, int lastMove)
15313 int i, j, nrMoves = lastMove - firstMove;
15315 if(appData.icsActive) { // only in local mode
15316 forwardMostMove = currentMove; // mimic old ICS behavior
15319 if(storedGames >= MAX_VARIATIONS-1) return;
15321 // push current tail of game on stack
15322 savedResult[storedGames] = gameInfo.result;
15323 savedDetails[storedGames] = gameInfo.resultDetails;
15324 gameInfo.resultDetails = NULL;
15325 savedFirst[storedGames] = firstMove;
15326 savedLast [storedGames] = lastMove;
15327 savedFramePtr[storedGames] = framePtr;
15328 framePtr -= nrMoves; // reserve space for the boards
15329 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15330 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15331 for(j=0; j<MOVE_LEN; j++)
15332 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15333 for(j=0; j<2*MOVE_LEN; j++)
15334 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15335 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15336 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15337 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15338 pvInfoList[firstMove+i-1].depth = 0;
15339 commentList[framePtr+i] = commentList[firstMove+i];
15340 commentList[firstMove+i] = NULL;
15344 forwardMostMove = firstMove; // truncate game so we can start variation
15345 if(storedGames == 1) GreyRevert(FALSE);
15349 PopTail(Boolean annotate)
15352 char buf[8000], moveBuf[20];
15354 if(appData.icsActive) return FALSE; // only in local mode
15355 if(!storedGames) return FALSE; // sanity
15356 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15359 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15360 nrMoves = savedLast[storedGames] - currentMove;
15363 if(!WhiteOnMove(currentMove))
15364 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15365 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15366 for(i=currentMove; i<forwardMostMove; i++) {
15368 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15369 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15370 strcat(buf, moveBuf);
15371 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15372 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15376 for(i=1; i<=nrMoves; i++) { // copy last variation back
15377 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15378 for(j=0; j<MOVE_LEN; j++)
15379 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15380 for(j=0; j<2*MOVE_LEN; j++)
15381 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15382 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15383 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15384 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15385 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15386 commentList[currentMove+i] = commentList[framePtr+i];
15387 commentList[framePtr+i] = NULL;
15389 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15390 framePtr = savedFramePtr[storedGames];
15391 gameInfo.result = savedResult[storedGames];
15392 if(gameInfo.resultDetails != NULL) {
15393 free(gameInfo.resultDetails);
15395 gameInfo.resultDetails = savedDetails[storedGames];
15396 forwardMostMove = currentMove + nrMoves;
15397 if(storedGames == 0) GreyRevert(TRUE);
15403 { // remove all shelved variations
15405 for(i=0; i<storedGames; i++) {
15406 if(savedDetails[i])
15407 free(savedDetails[i]);
15408 savedDetails[i] = NULL;
15410 for(i=framePtr; i<MAX_MOVES; i++) {
15411 if(commentList[i]) free(commentList[i]);
15412 commentList[i] = NULL;
15414 framePtr = MAX_MOVES-1;
15419 LoadVariation(int index, char *text)
15420 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15421 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15422 int level = 0, move;
15424 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15425 // first find outermost bracketing variation
15426 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15427 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15428 if(*p == '{') wait = '}'; else
15429 if(*p == '[') wait = ']'; else
15430 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15431 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15433 if(*p == wait) wait = NULLCHAR; // closing ]} found
15436 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15437 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15438 end[1] = NULLCHAR; // clip off comment beyond variation
15439 ToNrEvent(currentMove-1);
15440 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15441 // kludge: use ParsePV() to append variation to game
15442 move = currentMove;
15443 ParsePV(start, TRUE);
15444 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15445 ClearPremoveHighlights();
15447 ToNrEvent(currentMove+1);