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 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>
80 #else /* not STDC_HEADERS */
83 # else /* not HAVE_STRING_H */
85 # endif /* not HAVE_STRING_H */
86 #endif /* not STDC_HEADERS */
89 # include <sys/fcntl.h>
90 #else /* not HAVE_SYS_FCNTL_H */
93 # endif /* HAVE_FCNTL_H */
94 #endif /* not HAVE_SYS_FCNTL_H */
96 #if TIME_WITH_SYS_TIME
97 # include <sys/time.h>
101 # include <sys/time.h>
107 #if defined(_amigados) && !defined(__GNUC__)
112 extern int gettimeofday(struct timeval *, struct timezone *);
120 #include "frontend.h"
127 #include "backendz.h"
131 # define _(s) gettext (s)
132 # define N_(s) gettext_noop (s)
139 /* A point in time */
141 long sec; /* Assuming this is >= 32 bits */
142 int ms; /* Assuming this is >= 16 bits */
145 int establish P((void));
146 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
147 char *buf, int count, int error));
148 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
149 char *buf, int count, int error));
150 void SendToICS P((char *s));
151 void SendToICSDelayed P((char *s, long msdelay));
152 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY,
154 void HandleMachineMove P((char *message, ChessProgramState *cps));
155 int AutoPlayOneMove P((void));
156 int LoadGameOneMove P((ChessMove readAhead));
157 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
158 int LoadPositionFromFile P((char *filename, int n, char *title));
159 int SavePositionToFile P((char *filename));
160 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
161 Board board, char *castle, char *ep));
162 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
163 void ShowMove P((int fromX, int fromY, int toX, int toY));
164 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
165 /*char*/int promoChar));
166 void BackwardInner P((int target));
167 void ForwardInner P((int target));
168 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
169 void EditPositionDone P((void));
170 void PrintOpponents P((FILE *fp));
171 void PrintPosition P((FILE *fp, int move));
172 void StartChessProgram P((ChessProgramState *cps));
173 void SendToProgram P((char *message, ChessProgramState *cps));
174 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
175 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
176 char *buf, int count, int error));
177 void SendTimeControl P((ChessProgramState *cps,
178 int mps, long tc, int inc, int sd, int st));
179 char *TimeControlTagValue P((void));
180 void Attention P((ChessProgramState *cps));
181 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
182 void ResurrectChessProgram P((void));
183 void DisplayComment P((int moveNumber, char *text));
184 void DisplayMove P((int moveNumber));
185 void DisplayAnalysis P((void));
187 void ParseGameHistory P((char *game));
188 void ParseBoard12 P((char *string));
189 void StartClocks P((void));
190 void SwitchClocks P((void));
191 void StopClocks P((void));
192 void ResetClocks P((void));
193 char *PGNDate P((void));
194 void SetGameInfo P((void));
195 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
196 int RegisterMove P((void));
197 void MakeRegisteredMove P((void));
198 void TruncateGame P((void));
199 int looking_at P((char *, int *, char *));
200 void CopyPlayerNameIntoFileName P((char **, char *));
201 char *SavePart P((char *));
202 int SaveGameOldStyle P((FILE *));
203 int SaveGamePGN P((FILE *));
204 void GetTimeMark P((TimeMark *));
205 long SubtractTimeMarks P((TimeMark *, TimeMark *));
206 int CheckFlags P((void));
207 long NextTickLength P((long));
208 void CheckTimeControl P((void));
209 void show_bytes P((FILE *, char *, int));
210 int string_to_rating P((char *str));
211 void ParseFeatures P((char* args, ChessProgramState *cps));
212 void InitBackEnd3 P((void));
213 void FeatureDone P((ChessProgramState* cps, int val));
214 void InitChessProgram P((ChessProgramState *cps, int setup));
215 void OutputKibitz(int window, char *text);
216 int PerpetualChase(int first, int last);
217 int EngineOutputIsUp();
218 void InitDrawingSizes(int x, int y);
221 extern void ConsoleCreate();
224 ChessProgramState *WhitePlayer();
225 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
226 int VerifyDisplayMode P(());
228 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
229 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
230 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
231 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
232 extern char installDir[MSG_SIZ];
234 extern int tinyLayout, smallLayout;
235 ChessProgramStats programStats;
236 static int exiting = 0; /* [HGM] moved to top */
237 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
238 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
239 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
240 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
241 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
242 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
243 int opponentKibitzes;
244 int lastSavedGame; /* [HGM] save: ID of game */
245 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
246 extern int chatCount;
249 /* States for ics_getting_history */
251 #define H_REQUESTED 1
252 #define H_GOT_REQ_HEADER 2
253 #define H_GOT_UNREQ_HEADER 3
254 #define H_GETTING_MOVES 4
255 #define H_GOT_UNWANTED_HEADER 5
257 /* whosays values for GameEnds */
266 /* Maximum number of games in a cmail message */
267 #define CMAIL_MAX_GAMES 20
269 /* Different types of move when calling RegisterMove */
271 #define CMAIL_RESIGN 1
273 #define CMAIL_ACCEPT 3
275 /* Different types of result to remember for each game */
276 #define CMAIL_NOT_RESULT 0
277 #define CMAIL_OLD_RESULT 1
278 #define CMAIL_NEW_RESULT 2
280 /* Telnet protocol constants */
291 static char * safeStrCpy( char * dst, const char * src, size_t count )
293 assert( dst != NULL );
294 assert( src != NULL );
297 strncpy( dst, src, count );
298 dst[ count-1 ] = '\0';
303 //[HGM] for future use? Conditioned out for now to suppress warning.
304 static char * safeStrCat( char * dst, const char * src, size_t count )
308 assert( dst != NULL );
309 assert( src != NULL );
312 dst_len = strlen(dst);
314 assert( count > dst_len ); /* Buffer size must be greater than current length */
316 safeStrCpy( dst + dst_len, src, count - dst_len );
322 /* Some compiler can't cast u64 to double
323 * This function do the job for us:
325 * We use the highest bit for cast, this only
326 * works if the highest bit is not
327 * in use (This should not happen)
329 * We used this for all compiler
332 u64ToDouble(u64 value)
335 u64 tmp = value & u64Const(0x7fffffffffffffff);
336 r = (double)(s64)tmp;
337 if (value & u64Const(0x8000000000000000))
338 r += 9.2233720368547758080e18; /* 2^63 */
342 /* Fake up flags for now, as we aren't keeping track of castling
343 availability yet. [HGM] Change of logic: the flag now only
344 indicates the type of castlings allowed by the rule of the game.
345 The actual rights themselves are maintained in the array
346 castlingRights, as part of the game history, and are not probed
352 int flags = F_ALL_CASTLE_OK;
353 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
354 switch (gameInfo.variant) {
356 flags &= ~F_ALL_CASTLE_OK;
357 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
358 flags |= F_IGNORE_CHECK;
360 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
363 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
365 case VariantKriegspiel:
366 flags |= F_KRIEGSPIEL_CAPTURE;
368 case VariantCapaRandom:
369 case VariantFischeRandom:
370 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
371 case VariantNoCastle:
372 case VariantShatranj:
374 flags &= ~F_ALL_CASTLE_OK;
382 FILE *gameFileFP, *debugFP;
385 [AS] Note: sometimes, the sscanf() function is used to parse the input
386 into a fixed-size buffer. Because of this, we must be prepared to
387 receive strings as long as the size of the input buffer, which is currently
388 set to 4K for Windows and 8K for the rest.
389 So, we must either allocate sufficiently large buffers here, or
390 reduce the size of the input buffer in the input reading part.
393 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
394 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
395 char thinkOutput1[MSG_SIZ*10];
397 ChessProgramState first, second;
399 /* premove variables */
402 int premoveFromX = 0;
403 int premoveFromY = 0;
404 int premovePromoChar = 0;
406 Boolean alarmSounded;
407 /* end premove variables */
409 char *ics_prefix = "$";
410 int ics_type = ICS_GENERIC;
412 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
413 int pauseExamForwardMostMove = 0;
414 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
415 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
416 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
417 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
418 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
419 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
420 int whiteFlag = FALSE, blackFlag = FALSE;
421 int userOfferedDraw = FALSE;
422 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
423 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
424 int cmailMoveType[CMAIL_MAX_GAMES];
425 long ics_clock_paused = 0;
426 ProcRef icsPR = NoProc, cmailPR = NoProc;
427 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
428 GameMode gameMode = BeginningOfGame;
429 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
430 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
431 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
432 int hiddenThinkOutputState = 0; /* [AS] */
433 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
434 int adjudicateLossPlies = 6;
435 char white_holding[64], black_holding[64];
436 TimeMark lastNodeCountTime;
437 long lastNodeCount=0;
438 int have_sent_ICS_logon = 0;
440 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
441 long timeControl_2; /* [AS] Allow separate time controls */
442 char *fullTimeControlString = NULL; /* [HGM] secondary TC: merge of MPS, TC and inc */
443 long timeRemaining[2][MAX_MOVES];
445 TimeMark programStartTime;
446 char ics_handle[MSG_SIZ];
447 int have_set_title = 0;
449 /* animateTraining preserves the state of appData.animate
450 * when Training mode is activated. This allows the
451 * response to be animated when appData.animate == TRUE and
452 * appData.animateDragging == TRUE.
454 Boolean animateTraining;
460 Board boards[MAX_MOVES];
461 /* [HGM] Following 7 needed for accurate legality tests: */
462 signed char epStatus[MAX_MOVES];
463 signed char castlingRights[MAX_MOVES][BOARD_SIZE]; // stores files for pieces with castling rights or -1
464 signed char castlingRank[BOARD_SIZE]; // and corresponding ranks
465 signed char initialRights[BOARD_SIZE], FENcastlingRights[BOARD_SIZE], fileRights[BOARD_SIZE];
466 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
467 int initialRulePlies, FENrulePlies;
469 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
472 int mute; // mute all sounds
474 ChessSquare FIDEArray[2][BOARD_SIZE] = {
475 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
476 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
477 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
478 BlackKing, BlackBishop, BlackKnight, BlackRook }
481 ChessSquare twoKingsArray[2][BOARD_SIZE] = {
482 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
483 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
484 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
485 BlackKing, BlackKing, BlackKnight, BlackRook }
488 ChessSquare KnightmateArray[2][BOARD_SIZE] = {
489 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
490 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
491 { BlackRook, BlackMan, BlackBishop, BlackQueen,
492 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
495 ChessSquare fairyArray[2][BOARD_SIZE] = { /* [HGM] Queen side differs from King side */
496 { WhiteCannon, WhiteNightrider, WhiteAlfil, WhiteQueen,
497 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
498 { BlackCannon, BlackNightrider, BlackAlfil, BlackQueen,
499 BlackKing, BlackBishop, BlackKnight, BlackRook }
502 ChessSquare ShatranjArray[2][BOARD_SIZE] = { /* [HGM] (movGen knows about Shatranj Q and P) */
503 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
504 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
505 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
506 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
511 ChessSquare ShogiArray[2][BOARD_SIZE] = {
512 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
513 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
514 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
515 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
518 ChessSquare XiangqiArray[2][BOARD_SIZE] = {
519 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
520 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
521 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
522 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
525 ChessSquare CapablancaArray[2][BOARD_SIZE] = {
526 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
527 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
528 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
529 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
532 ChessSquare GreatArray[2][BOARD_SIZE] = {
533 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
534 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
535 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
536 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
539 ChessSquare JanusArray[2][BOARD_SIZE] = {
540 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
541 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
542 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
543 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
547 ChessSquare GothicArray[2][BOARD_SIZE] = {
548 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
549 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
550 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
551 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
554 #define GothicArray CapablancaArray
558 ChessSquare FalconArray[2][BOARD_SIZE] = {
559 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
560 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
561 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
562 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
565 #define FalconArray CapablancaArray
568 #else // !(BOARD_SIZE>=10)
569 #define XiangqiPosition FIDEArray
570 #define CapablancaArray FIDEArray
571 #define GothicArray FIDEArray
572 #define GreatArray FIDEArray
573 #endif // !(BOARD_SIZE>=10)
576 ChessSquare CourierArray[2][BOARD_SIZE] = {
577 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
578 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
579 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
580 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
582 #else // !(BOARD_SIZE>=12)
583 #define CourierArray CapablancaArray
584 #endif // !(BOARD_SIZE>=12)
587 Board initialPosition;
590 /* Convert str to a rating. Checks for special cases of "----",
592 "++++", etc. Also strips ()'s */
594 string_to_rating(str)
597 while(*str && !isdigit(*str)) ++str;
599 return 0; /* One of the special "no rating" cases */
607 /* Init programStats */
608 programStats.movelist[0] = 0;
609 programStats.depth = 0;
610 programStats.nr_moves = 0;
611 programStats.moves_left = 0;
612 programStats.nodes = 0;
613 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
614 programStats.score = 0;
615 programStats.got_only_move = 0;
616 programStats.got_fail = 0;
617 programStats.line_is_book = 0;
623 int matched, min, sec;
625 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
627 GetTimeMark(&programStartTime);
628 srand(programStartTime.ms); // [HGM] book: makes sure random is unpredictabe to msec level
631 programStats.ok_to_send = 1;
632 programStats.seen_stat = 0;
635 * Initialize game list
641 * Internet chess server status
643 if (appData.icsActive) {
644 appData.matchMode = FALSE;
645 appData.matchGames = 0;
647 appData.noChessProgram = !appData.zippyPlay;
649 appData.zippyPlay = FALSE;
650 appData.zippyTalk = FALSE;
651 appData.noChessProgram = TRUE;
653 if (*appData.icsHelper != NULLCHAR) {
654 appData.useTelnet = TRUE;
655 appData.telnetProgram = appData.icsHelper;
658 appData.zippyTalk = appData.zippyPlay = FALSE;
661 /* [AS] Initialize pv info list [HGM] and game state */
665 for( i=0; i<MAX_MOVES; i++ ) {
666 pvInfoList[i].depth = -1;
668 for( j=0; j<BOARD_SIZE; j++ ) castlingRights[i][j] = -1;
673 * Parse timeControl resource
675 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
676 appData.movesPerSession)) {
678 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
679 DisplayFatalError(buf, 0, 2);
683 * Parse searchTime resource
685 if (*appData.searchTime != NULLCHAR) {
686 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
688 searchTime = min * 60;
689 } else if (matched == 2) {
690 searchTime = min * 60 + sec;
693 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
694 DisplayFatalError(buf, 0, 2);
698 /* [AS] Adjudication threshold */
699 adjudicateLossThreshold = appData.adjudicateLossThreshold;
701 first.which = "first";
702 second.which = "second";
703 first.maybeThinking = second.maybeThinking = FALSE;
704 first.pr = second.pr = NoProc;
705 first.isr = second.isr = NULL;
706 first.sendTime = second.sendTime = 2;
707 first.sendDrawOffers = 1;
708 if (appData.firstPlaysBlack) {
709 first.twoMachinesColor = "black\n";
710 second.twoMachinesColor = "white\n";
712 first.twoMachinesColor = "white\n";
713 second.twoMachinesColor = "black\n";
715 first.program = appData.firstChessProgram;
716 second.program = appData.secondChessProgram;
717 first.host = appData.firstHost;
718 second.host = appData.secondHost;
719 first.dir = appData.firstDirectory;
720 second.dir = appData.secondDirectory;
721 first.other = &second;
722 second.other = &first;
723 first.initString = appData.initString;
724 second.initString = appData.secondInitString;
725 first.computerString = appData.firstComputerString;
726 second.computerString = appData.secondComputerString;
727 first.useSigint = second.useSigint = TRUE;
728 first.useSigterm = second.useSigterm = TRUE;
729 first.reuse = appData.reuseFirst;
730 second.reuse = appData.reuseSecond;
731 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
732 second.nps = appData.secondNPS;
733 first.useSetboard = second.useSetboard = FALSE;
734 first.useSAN = second.useSAN = FALSE;
735 first.usePing = second.usePing = FALSE;
736 first.lastPing = second.lastPing = 0;
737 first.lastPong = second.lastPong = 0;
738 first.usePlayother = second.usePlayother = FALSE;
739 first.useColors = second.useColors = TRUE;
740 first.useUsermove = second.useUsermove = FALSE;
741 first.sendICS = second.sendICS = FALSE;
742 first.sendName = second.sendName = appData.icsActive;
743 first.sdKludge = second.sdKludge = FALSE;
744 first.stKludge = second.stKludge = FALSE;
745 TidyProgramName(first.program, first.host, first.tidy);
746 TidyProgramName(second.program, second.host, second.tidy);
747 first.matchWins = second.matchWins = 0;
748 strcpy(first.variants, appData.variant);
749 strcpy(second.variants, appData.variant);
750 first.analysisSupport = second.analysisSupport = 2; /* detect */
751 first.analyzing = second.analyzing = FALSE;
752 first.initDone = second.initDone = FALSE;
754 /* New features added by Tord: */
755 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
756 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
757 /* End of new features added by Tord. */
758 first.fenOverride = appData.fenOverride1;
759 second.fenOverride = appData.fenOverride2;
761 /* [HGM] time odds: set factor for each machine */
762 first.timeOdds = appData.firstTimeOdds;
763 second.timeOdds = appData.secondTimeOdds;
765 if(appData.timeOddsMode) {
766 norm = first.timeOdds;
767 if(norm > second.timeOdds) norm = second.timeOdds;
769 first.timeOdds /= norm;
770 second.timeOdds /= norm;
773 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
774 first.accumulateTC = appData.firstAccumulateTC;
775 second.accumulateTC = appData.secondAccumulateTC;
776 first.maxNrOfSessions = second.maxNrOfSessions = 1;
779 first.debug = second.debug = FALSE;
780 first.supportsNPS = second.supportsNPS = UNKNOWN;
783 first.optionSettings = appData.firstOptions;
784 second.optionSettings = appData.secondOptions;
786 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
787 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
788 first.isUCI = appData.firstIsUCI; /* [AS] */
789 second.isUCI = appData.secondIsUCI; /* [AS] */
790 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
791 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
793 if (appData.firstProtocolVersion > PROTOVER ||
794 appData.firstProtocolVersion < 1) {
796 sprintf(buf, _("protocol version %d not supported"),
797 appData.firstProtocolVersion);
798 DisplayFatalError(buf, 0, 2);
800 first.protocolVersion = appData.firstProtocolVersion;
803 if (appData.secondProtocolVersion > PROTOVER ||
804 appData.secondProtocolVersion < 1) {
806 sprintf(buf, _("protocol version %d not supported"),
807 appData.secondProtocolVersion);
808 DisplayFatalError(buf, 0, 2);
810 second.protocolVersion = appData.secondProtocolVersion;
813 if (appData.icsActive) {
814 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
815 } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
816 appData.clockMode = FALSE;
817 first.sendTime = second.sendTime = 0;
821 /* Override some settings from environment variables, for backward
822 compatibility. Unfortunately it's not feasible to have the env
823 vars just set defaults, at least in xboard. Ugh.
825 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
830 if (appData.noChessProgram) {
831 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
832 sprintf(programVersion, "%s", PACKAGE_STRING);
837 while (*q != ' ' && *q != NULLCHAR) q++;
839 while (p > first.program && *(p-1) != '/' && *(p-1) != '\\') p--; /* [HGM] backslash added */
840 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING + (q - p));
841 sprintf(programVersion, "%s + ", PACKAGE_STRING);
842 strncat(programVersion, p, q - p);
844 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
845 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
846 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
850 if (!appData.icsActive) {
852 /* Check for variants that are supported only in ICS mode,
853 or not at all. Some that are accepted here nevertheless
854 have bugs; see comments below.
856 VariantClass variant = StringToVariant(appData.variant);
858 case VariantBughouse: /* need four players and two boards */
859 case VariantKriegspiel: /* need to hide pieces and move details */
860 /* case VariantFischeRandom: (Fabien: moved below) */
861 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
862 DisplayFatalError(buf, 0, 2);
866 case VariantLoadable:
876 sprintf(buf, _("Unknown variant name %s"), appData.variant);
877 DisplayFatalError(buf, 0, 2);
880 case VariantXiangqi: /* [HGM] repetition rules not implemented */
881 case VariantFairy: /* [HGM] TestLegality definitely off! */
882 case VariantGothic: /* [HGM] should work */
883 case VariantCapablanca: /* [HGM] should work */
884 case VariantCourier: /* [HGM] initial forced moves not implemented */
885 case VariantShogi: /* [HGM] drops not tested for legality */
886 case VariantKnightmate: /* [HGM] should work */
887 case VariantCylinder: /* [HGM] untested */
888 case VariantFalcon: /* [HGM] untested */
889 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
890 offboard interposition not understood */
891 case VariantNormal: /* definitely works! */
892 case VariantWildCastle: /* pieces not automatically shuffled */
893 case VariantNoCastle: /* pieces not automatically shuffled */
894 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
895 case VariantLosers: /* should work except for win condition,
896 and doesn't know captures are mandatory */
897 case VariantSuicide: /* should work except for win condition,
898 and doesn't know captures are mandatory */
899 case VariantGiveaway: /* should work except for win condition,
900 and doesn't know captures are mandatory */
901 case VariantTwoKings: /* should work */
902 case VariantAtomic: /* should work except for win condition */
903 case Variant3Check: /* should work except for win condition */
904 case VariantShatranj: /* should work except for all win conditions */
905 case VariantBerolina: /* might work if TestLegality is off */
906 case VariantCapaRandom: /* should work */
907 case VariantJanus: /* should work */
908 case VariantSuper: /* experimental */
909 case VariantGreat: /* experimental, requires legality testing to be off */
914 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
915 InitEngineUCI( installDir, &second );
918 int NextIntegerFromString( char ** str, long * value )
923 while( *s == ' ' || *s == '\t' ) {
929 if( *s >= '0' && *s <= '9' ) {
930 while( *s >= '0' && *s <= '9' ) {
931 *value = *value * 10 + (*s - '0');
943 int NextTimeControlFromString( char ** str, long * value )
946 int result = NextIntegerFromString( str, &temp );
949 *value = temp * 60; /* Minutes */
952 result = NextIntegerFromString( str, &temp );
953 *value += temp; /* Seconds */
960 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
961 { /* [HGM] routine added to read '+moves/time' for secondary time control */
962 int result = -1; long temp, temp2;
964 if(**str != '+') return -1; // old params remain in force!
966 if( NextTimeControlFromString( str, &temp ) ) return -1;
969 /* time only: incremental or sudden-death time control */
970 if(**str == '+') { /* increment follows; read it */
972 if(result = NextIntegerFromString( str, &temp2)) return -1;
975 *moves = 0; *tc = temp * 1000;
977 } else if(temp % 60 != 0) return -1; /* moves was given as min:sec */
979 (*str)++; /* classical time control */
980 result = NextTimeControlFromString( str, &temp2);
989 int GetTimeQuota(int movenr)
990 { /* [HGM] get time to add from the multi-session time-control string */
991 int moves=1; /* kludge to force reading of first session */
992 long time, increment;
993 char *s = fullTimeControlString;
995 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
997 if(moves) NextSessionFromString(&s, &moves, &time, &increment);
998 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
999 if(movenr == -1) return time; /* last move before new session */
1000 if(!moves) return increment; /* current session is incremental */
1001 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1002 } while(movenr >= -1); /* try again for next session */
1004 return 0; // no new time quota on this move
1008 ParseTimeControl(tc, ti, mps)
1014 int matched, min, sec;
1016 matched = sscanf(tc, "%d:%d", &min, &sec);
1018 timeControl = min * 60 * 1000;
1019 } else if (matched == 2) {
1020 timeControl = (min * 60 + sec) * 1000;
1029 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1032 sprintf(buf, "+%d/%s+%d", mps, tc, ti);
1033 else sprintf(buf, "+%s+%d", tc, ti);
1036 sprintf(buf, "+%d/%s", mps, tc);
1037 else sprintf(buf, "+%s", tc);
1039 fullTimeControlString = StrSave(buf);
1041 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1046 /* Parse second time control */
1049 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1057 timeControl_2 = tc2 * 1000;
1067 timeControl = tc1 * 1000;
1071 timeIncrement = ti * 1000; /* convert to ms */
1072 movesPerSession = 0;
1075 movesPerSession = mps;
1083 if (appData.debugMode) {
1084 fprintf(debugFP, "%s\n", programVersion);
1087 if (appData.matchGames > 0) {
1088 appData.matchMode = TRUE;
1089 } else if (appData.matchMode) {
1090 appData.matchGames = 1;
1092 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1093 appData.matchGames = appData.sameColorGames;
1094 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1095 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1096 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1099 if (appData.noChessProgram || first.protocolVersion == 1) {
1102 /* kludge: allow timeout for initial "feature" commands */
1104 DisplayMessage("", _("Starting chess program"));
1105 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1110 InitBackEnd3 P((void))
1112 GameMode initialMode;
1116 InitChessProgram(&first, startedFromSetupPosition);
1119 if (appData.icsActive) {
1121 /* [DM] Make a console window if needed [HGM] merged ifs */
1126 if (*appData.icsCommPort != NULLCHAR) {
1127 sprintf(buf, _("Could not open comm port %s"),
1128 appData.icsCommPort);
1130 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1131 appData.icsHost, appData.icsPort);
1133 DisplayFatalError(buf, err, 1);
1138 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1140 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1141 } else if (appData.noChessProgram) {
1147 if (*appData.cmailGameName != NULLCHAR) {
1149 OpenLoopback(&cmailPR);
1151 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1155 DisplayMessage("", "");
1156 if (StrCaseCmp(appData.initialMode, "") == 0) {
1157 initialMode = BeginningOfGame;
1158 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1159 initialMode = TwoMachinesPlay;
1160 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1161 initialMode = AnalyzeFile;
1162 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1163 initialMode = AnalyzeMode;
1164 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1165 initialMode = MachinePlaysWhite;
1166 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1167 initialMode = MachinePlaysBlack;
1168 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1169 initialMode = EditGame;
1170 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1171 initialMode = EditPosition;
1172 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1173 initialMode = Training;
1175 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1176 DisplayFatalError(buf, 0, 2);
1180 if (appData.matchMode) {
1181 /* Set up machine vs. machine match */
1182 if (appData.noChessProgram) {
1183 DisplayFatalError(_("Can't have a match with no chess programs"),
1189 if (*appData.loadGameFile != NULLCHAR) {
1190 int index = appData.loadGameIndex; // [HGM] autoinc
1191 if(index<0) lastIndex = index = 1;
1192 if (!LoadGameFromFile(appData.loadGameFile,
1194 appData.loadGameFile, FALSE)) {
1195 DisplayFatalError(_("Bad game file"), 0, 1);
1198 } else if (*appData.loadPositionFile != NULLCHAR) {
1199 int index = appData.loadPositionIndex; // [HGM] autoinc
1200 if(index<0) lastIndex = index = 1;
1201 if (!LoadPositionFromFile(appData.loadPositionFile,
1203 appData.loadPositionFile)) {
1204 DisplayFatalError(_("Bad position file"), 0, 1);
1209 } else if (*appData.cmailGameName != NULLCHAR) {
1210 /* Set up cmail mode */
1211 ReloadCmailMsgEvent(TRUE);
1213 /* Set up other modes */
1214 if (initialMode == AnalyzeFile) {
1215 if (*appData.loadGameFile == NULLCHAR) {
1216 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1220 if (*appData.loadGameFile != NULLCHAR) {
1221 (void) LoadGameFromFile(appData.loadGameFile,
1222 appData.loadGameIndex,
1223 appData.loadGameFile, TRUE);
1224 } else if (*appData.loadPositionFile != NULLCHAR) {
1225 (void) LoadPositionFromFile(appData.loadPositionFile,
1226 appData.loadPositionIndex,
1227 appData.loadPositionFile);
1228 /* [HGM] try to make self-starting even after FEN load */
1229 /* to allow automatic setup of fairy variants with wtm */
1230 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1231 gameMode = BeginningOfGame;
1232 setboardSpoiledMachineBlack = 1;
1234 /* [HGM] loadPos: make that every new game uses the setup */
1235 /* from file as long as we do not switch variant */
1236 if(!blackPlaysFirst) { int i;
1237 startedFromPositionFile = TRUE;
1238 CopyBoard(filePosition, boards[0]);
1239 for(i=0; i<BOARD_SIZE; i++) fileRights[i] = castlingRights[0][i];
1242 if (initialMode == AnalyzeMode) {
1243 if (appData.noChessProgram) {
1244 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1247 if (appData.icsActive) {
1248 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1252 } else if (initialMode == AnalyzeFile) {
1253 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1254 ShowThinkingEvent();
1256 AnalysisPeriodicEvent(1);
1257 } else if (initialMode == MachinePlaysWhite) {
1258 if (appData.noChessProgram) {
1259 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1263 if (appData.icsActive) {
1264 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1268 MachineWhiteEvent();
1269 } else if (initialMode == MachinePlaysBlack) {
1270 if (appData.noChessProgram) {
1271 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1275 if (appData.icsActive) {
1276 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1280 MachineBlackEvent();
1281 } else if (initialMode == TwoMachinesPlay) {
1282 if (appData.noChessProgram) {
1283 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1287 if (appData.icsActive) {
1288 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1293 } else if (initialMode == EditGame) {
1295 } else if (initialMode == EditPosition) {
1296 EditPositionEvent();
1297 } else if (initialMode == Training) {
1298 if (*appData.loadGameFile == NULLCHAR) {
1299 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1308 * Establish will establish a contact to a remote host.port.
1309 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1310 * used to talk to the host.
1311 * Returns 0 if okay, error code if not.
1318 if (*appData.icsCommPort != NULLCHAR) {
1319 /* Talk to the host through a serial comm port */
1320 return OpenCommPort(appData.icsCommPort, &icsPR);
1322 } else if (*appData.gateway != NULLCHAR) {
1323 if (*appData.remoteShell == NULLCHAR) {
1324 /* Use the rcmd protocol to run telnet program on a gateway host */
1325 snprintf(buf, sizeof(buf), "%s %s %s",
1326 appData.telnetProgram, appData.icsHost, appData.icsPort);
1327 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1330 /* Use the rsh program to run telnet program on a gateway host */
1331 if (*appData.remoteUser == NULLCHAR) {
1332 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1333 appData.gateway, appData.telnetProgram,
1334 appData.icsHost, appData.icsPort);
1336 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1337 appData.remoteShell, appData.gateway,
1338 appData.remoteUser, appData.telnetProgram,
1339 appData.icsHost, appData.icsPort);
1341 return StartChildProcess(buf, "", &icsPR);
1344 } else if (appData.useTelnet) {
1345 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1348 /* TCP socket interface differs somewhat between
1349 Unix and NT; handle details in the front end.
1351 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1356 show_bytes(fp, buf, count)
1362 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1363 fprintf(fp, "\\%03o", *buf & 0xff);
1372 /* Returns an errno value */
1374 OutputMaybeTelnet(pr, message, count, outError)
1380 char buf[8192], *p, *q, *buflim;
1381 int left, newcount, outcount;
1383 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1384 *appData.gateway != NULLCHAR) {
1385 if (appData.debugMode) {
1386 fprintf(debugFP, ">ICS: ");
1387 show_bytes(debugFP, message, count);
1388 fprintf(debugFP, "\n");
1390 return OutputToProcess(pr, message, count, outError);
1393 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1400 if (appData.debugMode) {
1401 fprintf(debugFP, ">ICS: ");
1402 show_bytes(debugFP, buf, newcount);
1403 fprintf(debugFP, "\n");
1405 outcount = OutputToProcess(pr, buf, newcount, outError);
1406 if (outcount < newcount) return -1; /* to be sure */
1413 } else if (((unsigned char) *p) == TN_IAC) {
1414 *q++ = (char) TN_IAC;
1421 if (appData.debugMode) {
1422 fprintf(debugFP, ">ICS: ");
1423 show_bytes(debugFP, buf, newcount);
1424 fprintf(debugFP, "\n");
1426 outcount = OutputToProcess(pr, buf, newcount, outError);
1427 if (outcount < newcount) return -1; /* to be sure */
1432 read_from_player(isr, closure, message, count, error)
1439 int outError, outCount;
1440 static int gotEof = 0;
1442 /* Pass data read from player on to ICS */
1445 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1446 if (outCount < count) {
1447 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1449 } else if (count < 0) {
1450 RemoveInputSource(isr);
1451 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1452 } else if (gotEof++ > 0) {
1453 RemoveInputSource(isr);
1454 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1460 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1461 SendToICS("date\n");
1462 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1469 int count, outCount, outError;
1471 if (icsPR == NULL) return;
1474 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1475 if (outCount < count) {
1476 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1480 /* This is used for sending logon scripts to the ICS. Sending
1481 without a delay causes problems when using timestamp on ICC
1482 (at least on my machine). */
1484 SendToICSDelayed(s,msdelay)
1488 int count, outCount, outError;
1490 if (icsPR == NULL) return;
1493 if (appData.debugMode) {
1494 fprintf(debugFP, ">ICS: ");
1495 show_bytes(debugFP, s, count);
1496 fprintf(debugFP, "\n");
1498 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1500 if (outCount < count) {
1501 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1506 /* Remove all highlighting escape sequences in s
1507 Also deletes any suffix starting with '('
1510 StripHighlightAndTitle(s)
1513 static char retbuf[MSG_SIZ];
1516 while (*s != NULLCHAR) {
1517 while (*s == '\033') {
1518 while (*s != NULLCHAR && !isalpha(*s)) s++;
1519 if (*s != NULLCHAR) s++;
1521 while (*s != NULLCHAR && *s != '\033') {
1522 if (*s == '(' || *s == '[') {
1533 /* Remove all highlighting escape sequences in s */
1538 static char retbuf[MSG_SIZ];
1541 while (*s != NULLCHAR) {
1542 while (*s == '\033') {
1543 while (*s != NULLCHAR && !isalpha(*s)) s++;
1544 if (*s != NULLCHAR) s++;
1546 while (*s != NULLCHAR && *s != '\033') {
1554 char *variantNames[] = VARIANT_NAMES;
1559 return variantNames[v];
1563 /* Identify a variant from the strings the chess servers use or the
1564 PGN Variant tag names we use. */
1571 VariantClass v = VariantNormal;
1572 int i, found = FALSE;
1577 /* [HGM] skip over optional board-size prefixes */
1578 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1579 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1580 while( *e++ != '_');
1583 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1584 if (StrCaseStr(e, variantNames[i])) {
1585 v = (VariantClass) i;
1592 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1593 || StrCaseStr(e, "wild/fr")
1594 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1595 v = VariantFischeRandom;
1596 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1597 (i = 1, p = StrCaseStr(e, "w"))) {
1599 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1606 case 0: /* FICS only, actually */
1608 /* Castling legal even if K starts on d-file */
1609 v = VariantWildCastle;
1614 /* Castling illegal even if K & R happen to start in
1615 normal positions. */
1616 v = VariantNoCastle;
1629 /* Castling legal iff K & R start in normal positions */
1635 /* Special wilds for position setup; unclear what to do here */
1636 v = VariantLoadable;
1639 /* Bizarre ICC game */
1640 v = VariantTwoKings;
1643 v = VariantKriegspiel;
1649 v = VariantFischeRandom;
1652 v = VariantCrazyhouse;
1655 v = VariantBughouse;
1661 /* Not quite the same as FICS suicide! */
1662 v = VariantGiveaway;
1668 v = VariantShatranj;
1671 /* Temporary names for future ICC types. The name *will* change in
1672 the next xboard/WinBoard release after ICC defines it. */
1710 v = VariantCapablanca;
1713 v = VariantKnightmate;
1719 v = VariantCylinder;
1725 v = VariantCapaRandom;
1728 v = VariantBerolina;
1740 /* Found "wild" or "w" in the string but no number;
1741 must assume it's normal chess. */
1745 sprintf(buf, _("Unknown wild type %d"), wnum);
1746 DisplayError(buf, 0);
1752 if (appData.debugMode) {
1753 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1754 e, wnum, VariantName(v));
1759 static int leftover_start = 0, leftover_len = 0;
1760 char star_match[STAR_MATCH_N][MSG_SIZ];
1762 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1763 advance *index beyond it, and set leftover_start to the new value of
1764 *index; else return FALSE. If pattern contains the character '*', it
1765 matches any sequence of characters not containing '\r', '\n', or the
1766 character following the '*' (if any), and the matched sequence(s) are
1767 copied into star_match.
1770 looking_at(buf, index, pattern)
1775 char *bufp = &buf[*index], *patternp = pattern;
1777 char *matchp = star_match[0];
1780 if (*patternp == NULLCHAR) {
1781 *index = leftover_start = bufp - buf;
1785 if (*bufp == NULLCHAR) return FALSE;
1786 if (*patternp == '*') {
1787 if (*bufp == *(patternp + 1)) {
1789 matchp = star_match[++star_count];
1793 } else if (*bufp == '\n' || *bufp == '\r') {
1795 if (*patternp == NULLCHAR)
1800 *matchp++ = *bufp++;
1804 if (*patternp != *bufp) return FALSE;
1811 SendToPlayer(data, length)
1815 int error, outCount;
1816 outCount = OutputToProcess(NoProc, data, length, &error);
1817 if (outCount < length) {
1818 DisplayFatalError(_("Error writing to display"), error, 1);
1823 PackHolding(packed, holding)
1835 switch (runlength) {
1846 sprintf(q, "%d", runlength);
1858 /* Telnet protocol requests from the front end */
1860 TelnetRequest(ddww, option)
1861 unsigned char ddww, option;
1863 unsigned char msg[3];
1864 int outCount, outError;
1866 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1868 if (appData.debugMode) {
1869 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1885 sprintf(buf1, "%d", ddww);
1894 sprintf(buf2, "%d", option);
1897 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1902 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1904 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1911 if (!appData.icsActive) return;
1912 TelnetRequest(TN_DO, TN_ECHO);
1918 if (!appData.icsActive) return;
1919 TelnetRequest(TN_DONT, TN_ECHO);
1923 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
1925 /* put the holdings sent to us by the server on the board holdings area */
1926 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
1930 if(gameInfo.holdingsWidth < 2) return;
1932 if( (int)lowestPiece >= BlackPawn ) {
1935 holdingsStartRow = BOARD_HEIGHT-1;
1938 holdingsColumn = BOARD_WIDTH-1;
1939 countsColumn = BOARD_WIDTH-2;
1940 holdingsStartRow = 0;
1944 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1945 board[i][holdingsColumn] = EmptySquare;
1946 board[i][countsColumn] = (ChessSquare) 0;
1948 while( (p=*holdings++) != NULLCHAR ) {
1949 piece = CharToPiece( ToUpper(p) );
1950 if(piece == EmptySquare) continue;
1951 /*j = (int) piece - (int) WhitePawn;*/
1952 j = PieceToNumber(piece);
1953 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1954 if(j < 0) continue; /* should not happen */
1955 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1956 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1957 board[holdingsStartRow+j*direction][countsColumn]++;
1964 VariantSwitch(Board board, VariantClass newVariant)
1966 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
1967 int oldCurrentMove = currentMove, oldForwardMostMove = forwardMostMove, oldBackwardMostMove = backwardMostMove;
1968 // Board tempBoard; int saveCastling[BOARD_SIZE], saveEP;
1970 startedFromPositionFile = FALSE;
1971 if(gameInfo.variant == newVariant) return;
1973 /* [HGM] This routine is called each time an assignment is made to
1974 * gameInfo.variant during a game, to make sure the board sizes
1975 * are set to match the new variant. If that means adding or deleting
1976 * holdings, we shift the playing board accordingly
1977 * This kludge is needed because in ICS observe mode, we get boards
1978 * of an ongoing game without knowing the variant, and learn about the
1979 * latter only later. This can be because of the move list we requested,
1980 * in which case the game history is refilled from the beginning anyway,
1981 * but also when receiving holdings of a crazyhouse game. In the latter
1982 * case we want to add those holdings to the already received position.
1986 if (appData.debugMode) {
1987 fprintf(debugFP, "Switch board from %s to %s\n",
1988 VariantName(gameInfo.variant), VariantName(newVariant));
1989 setbuf(debugFP, NULL);
1991 shuffleOpenings = 0; /* [HGM] shuffle */
1992 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
1993 switch(newVariant) {
1995 newWidth = 9; newHeight = 9;
1996 gameInfo.holdingsSize = 7;
1997 case VariantBughouse:
1998 case VariantCrazyhouse:
1999 newHoldingsWidth = 2; break;
2001 newHoldingsWidth = gameInfo.holdingsSize = 0;
2004 if(newWidth != gameInfo.boardWidth ||
2005 newHeight != gameInfo.boardHeight ||
2006 newHoldingsWidth != gameInfo.holdingsWidth ) {
2008 /* shift position to new playing area, if needed */
2009 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2010 for(i=0; i<BOARD_HEIGHT; i++)
2011 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2012 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2014 for(i=0; i<newHeight; i++) {
2015 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2016 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2018 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2019 for(i=0; i<BOARD_HEIGHT; i++)
2020 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2021 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2025 gameInfo.boardWidth = newWidth;
2026 gameInfo.boardHeight = newHeight;
2027 gameInfo.holdingsWidth = newHoldingsWidth;
2028 gameInfo.variant = newVariant;
2029 InitDrawingSizes(-2, 0);
2031 /* [HGM] The following should definitely be solved in a better way */
2033 CopyBoard(board, tempBoard); /* save position in case it is board[0] */
2034 for(i=0; i<BOARD_SIZE; i++) saveCastling[i] = castlingRights[0][i];
2035 saveEP = epStatus[0];
2037 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2039 epStatus[0] = saveEP;
2040 for(i=0; i<BOARD_SIZE; i++) castlingRights[0][i] = saveCastling[i];
2041 CopyBoard(tempBoard, board); /* restore position received from ICS */
2043 } else { gameInfo.variant = newVariant; InitPosition(FALSE); }
2045 forwardMostMove = oldForwardMostMove;
2046 backwardMostMove = oldBackwardMostMove;
2047 currentMove = oldCurrentMove; /* InitPos reset these, but we need still to redraw the position */
2050 static int loggedOn = FALSE;
2052 /*-- Game start info cache: --*/
2054 char gs_kind[MSG_SIZ];
2055 static char player1Name[128] = "";
2056 static char player2Name[128] = "";
2057 static int player1Rating = -1;
2058 static int player2Rating = -1;
2059 /*----------------------------*/
2061 ColorClass curColor = ColorNormal;
2062 int suppressKibitz = 0;
2065 read_from_ics(isr, closure, data, count, error)
2072 #define BUF_SIZE 8192
2073 #define STARTED_NONE 0
2074 #define STARTED_MOVES 1
2075 #define STARTED_BOARD 2
2076 #define STARTED_OBSERVE 3
2077 #define STARTED_HOLDINGS 4
2078 #define STARTED_CHATTER 5
2079 #define STARTED_COMMENT 6
2080 #define STARTED_MOVES_NOHIDE 7
2082 static int started = STARTED_NONE;
2083 static char parse[20000];
2084 static int parse_pos = 0;
2085 static char buf[BUF_SIZE + 1];
2086 static int firstTime = TRUE, intfSet = FALSE;
2087 static ColorClass prevColor = ColorNormal;
2088 static int savingComment = FALSE;
2094 int backup; /* [DM] For zippy color lines */
2096 char talker[MSG_SIZ]; // [HGM] chat
2099 if (appData.debugMode) {
2101 fprintf(debugFP, "<ICS: ");
2102 show_bytes(debugFP, data, count);
2103 fprintf(debugFP, "\n");
2107 if (appData.debugMode) { int f = forwardMostMove;
2108 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2109 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
2112 /* If last read ended with a partial line that we couldn't parse,
2113 prepend it to the new read and try again. */
2114 if (leftover_len > 0) {
2115 for (i=0; i<leftover_len; i++)
2116 buf[i] = buf[leftover_start + i];
2119 /* Copy in new characters, removing nulls and \r's */
2120 buf_len = leftover_len;
2121 for (i = 0; i < count; i++) {
2122 if (data[i] != NULLCHAR && data[i] != '\r')
2123 buf[buf_len++] = data[i];
2124 if(buf_len >= 5 && buf[buf_len-5]=='\n' && buf[buf_len-4]=='\\' &&
2125 buf[buf_len-3]==' ' && buf[buf_len-2]==' ' && buf[buf_len-1]==' ') {
2126 buf_len -= 5; // [HGM] ICS: join continuation line of Lasker 2.2.3 server with previous
2127 buf[buf_len++] = ' '; // replace by space (assumes ICS does not break lines within word)
2131 buf[buf_len] = NULLCHAR;
2132 next_out = leftover_len;
2136 while (i < buf_len) {
2137 /* Deal with part of the TELNET option negotiation
2138 protocol. We refuse to do anything beyond the
2139 defaults, except that we allow the WILL ECHO option,
2140 which ICS uses to turn off password echoing when we are
2141 directly connected to it. We reject this option
2142 if localLineEditing mode is on (always on in xboard)
2143 and we are talking to port 23, which might be a real
2144 telnet server that will try to keep WILL ECHO on permanently.
2146 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2147 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2148 unsigned char option;
2150 switch ((unsigned char) buf[++i]) {
2152 if (appData.debugMode)
2153 fprintf(debugFP, "\n<WILL ");
2154 switch (option = (unsigned char) buf[++i]) {
2156 if (appData.debugMode)
2157 fprintf(debugFP, "ECHO ");
2158 /* Reply only if this is a change, according
2159 to the protocol rules. */
2160 if (remoteEchoOption) break;
2161 if (appData.localLineEditing &&
2162 atoi(appData.icsPort) == TN_PORT) {
2163 TelnetRequest(TN_DONT, TN_ECHO);
2166 TelnetRequest(TN_DO, TN_ECHO);
2167 remoteEchoOption = TRUE;
2171 if (appData.debugMode)
2172 fprintf(debugFP, "%d ", option);
2173 /* Whatever this is, we don't want it. */
2174 TelnetRequest(TN_DONT, option);
2179 if (appData.debugMode)
2180 fprintf(debugFP, "\n<WONT ");
2181 switch (option = (unsigned char) buf[++i]) {
2183 if (appData.debugMode)
2184 fprintf(debugFP, "ECHO ");
2185 /* Reply only if this is a change, according
2186 to the protocol rules. */
2187 if (!remoteEchoOption) break;
2189 TelnetRequest(TN_DONT, TN_ECHO);
2190 remoteEchoOption = FALSE;
2193 if (appData.debugMode)
2194 fprintf(debugFP, "%d ", (unsigned char) option);
2195 /* Whatever this is, it must already be turned
2196 off, because we never agree to turn on
2197 anything non-default, so according to the
2198 protocol rules, we don't reply. */
2203 if (appData.debugMode)
2204 fprintf(debugFP, "\n<DO ");
2205 switch (option = (unsigned char) buf[++i]) {
2207 /* Whatever this is, we refuse to do it. */
2208 if (appData.debugMode)
2209 fprintf(debugFP, "%d ", option);
2210 TelnetRequest(TN_WONT, option);
2215 if (appData.debugMode)
2216 fprintf(debugFP, "\n<DONT ");
2217 switch (option = (unsigned char) buf[++i]) {
2219 if (appData.debugMode)
2220 fprintf(debugFP, "%d ", option);
2221 /* Whatever this is, we are already not doing
2222 it, because we never agree to do anything
2223 non-default, so according to the protocol
2224 rules, we don't reply. */
2229 if (appData.debugMode)
2230 fprintf(debugFP, "\n<IAC ");
2231 /* Doubled IAC; pass it through */
2235 if (appData.debugMode)
2236 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2237 /* Drop all other telnet commands on the floor */
2240 if (oldi > next_out)
2241 SendToPlayer(&buf[next_out], oldi - next_out);
2247 /* OK, this at least will *usually* work */
2248 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2252 if (loggedOn && !intfSet) {
2253 if (ics_type == ICS_ICC) {
2255 "/set-quietly interface %s\n/set-quietly style 12\n",
2258 } else if (ics_type == ICS_CHESSNET) {
2259 sprintf(str, "/style 12\n");
2261 strcpy(str, "alias $ @\n$set interface ");
2262 strcat(str, programVersion);
2263 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2265 strcat(str, "$iset nohighlight 1\n");
2267 strcat(str, "$iset lock 1\n$style 12\n");
2273 if (started == STARTED_COMMENT) {
2274 /* Accumulate characters in comment */
2275 parse[parse_pos++] = buf[i];
2276 if (buf[i] == '\n') {
2277 parse[parse_pos] = NULLCHAR;
2278 if(chattingPartner>=0) {
2280 sprintf(mess, "%s%s", talker, parse);
2281 OutputChatMessage(chattingPartner, mess);
2282 chattingPartner = -1;
2284 if(!suppressKibitz) // [HGM] kibitz
2285 AppendComment(forwardMostMove, StripHighlight(parse));
2286 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2287 int nrDigit = 0, nrAlph = 0, i;
2288 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2289 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2290 parse[parse_pos] = NULLCHAR;
2291 // try to be smart: if it does not look like search info, it should go to
2292 // ICS interaction window after all, not to engine-output window.
2293 for(i=0; i<parse_pos; i++) { // count letters and digits
2294 nrDigit += (parse[i] >= '0' && parse[i] <= '9');
2295 nrAlph += (parse[i] >= 'a' && parse[i] <= 'z');
2296 nrAlph += (parse[i] >= 'A' && parse[i] <= 'Z');
2298 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2299 int depth=0; float score;
2300 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2301 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2302 pvInfoList[forwardMostMove-1].depth = depth;
2303 pvInfoList[forwardMostMove-1].score = 100*score;
2305 OutputKibitz(suppressKibitz, parse);
2308 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2309 SendToPlayer(tmp, strlen(tmp));
2312 started = STARTED_NONE;
2314 /* Don't match patterns against characters in chatter */
2319 if (started == STARTED_CHATTER) {
2320 if (buf[i] != '\n') {
2321 /* Don't match patterns against characters in chatter */
2325 started = STARTED_NONE;
2328 /* Kludge to deal with rcmd protocol */
2329 if (firstTime && looking_at(buf, &i, "\001*")) {
2330 DisplayFatalError(&buf[1], 0, 1);
2336 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2339 if (appData.debugMode)
2340 fprintf(debugFP, "ics_type %d\n", ics_type);
2343 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2344 ics_type = ICS_FICS;
2346 if (appData.debugMode)
2347 fprintf(debugFP, "ics_type %d\n", ics_type);
2350 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2351 ics_type = ICS_CHESSNET;
2353 if (appData.debugMode)
2354 fprintf(debugFP, "ics_type %d\n", ics_type);
2359 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2360 looking_at(buf, &i, "Logging you in as \"*\"") ||
2361 looking_at(buf, &i, "will be \"*\""))) {
2362 strcpy(ics_handle, star_match[0]);
2366 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2368 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2369 DisplayIcsInteractionTitle(buf);
2370 have_set_title = TRUE;
2373 /* skip finger notes */
2374 if (started == STARTED_NONE &&
2375 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2376 (buf[i] == '1' && buf[i+1] == '0')) &&
2377 buf[i+2] == ':' && buf[i+3] == ' ') {
2378 started = STARTED_CHATTER;
2383 /* skip formula vars */
2384 if (started == STARTED_NONE &&
2385 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2386 started = STARTED_CHATTER;
2392 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2393 if (appData.autoKibitz && started == STARTED_NONE &&
2394 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2395 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2396 if(looking_at(buf, &i, "* kibitzes: ") &&
2397 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2398 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2399 suppressKibitz = TRUE;
2400 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2401 && (gameMode == IcsPlayingWhite)) ||
2402 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2403 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2404 started = STARTED_CHATTER; // own kibitz we simply discard
2406 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2407 parse_pos = 0; parse[0] = NULLCHAR;
2408 savingComment = TRUE;
2409 suppressKibitz = gameMode != IcsObserving ? 2 :
2410 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2414 if(looking_at(buf, &i, "kibitzed to")) { // suppress the acknowledgements of our own autoKibitz
2415 started = STARTED_CHATTER;
2416 suppressKibitz = TRUE;
2418 } // [HGM] kibitz: end of patch
2420 //if(appData.debugMode) fprintf(debugFP, "hunt for tell, buf = %s\n", buf+i);
2422 // [HGM] chat: intercept tells by users for which we have an open chat window
2424 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2425 looking_at(buf, &i, "* whispers:") ||
2426 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2427 looking_at(buf, &i, "*(*)(*):") && sscanf(star_match[2], "%d", &channel) == 1 )) {
2429 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2430 chattingPartner = -1;
2432 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2433 for(p=0; p<MAX_CHAT; p++) {
2434 if(channel == atoi(chatPartner[p])) {
2435 talker[0] = '['; strcat(talker, "]");
2436 chattingPartner = p; break;
2439 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2440 for(p=0; p<MAX_CHAT; p++) {
2441 if(!strcmp("WHISPER", chatPartner[p])) {
2442 talker[0] = '['; strcat(talker, "]");
2443 chattingPartner = p; break;
2446 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2447 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2449 chattingPartner = p; break;
2451 if(chattingPartner<0) i = oldi; else {
2452 started = STARTED_COMMENT;
2453 parse_pos = 0; parse[0] = NULLCHAR;
2454 savingComment = TRUE;
2455 suppressKibitz = TRUE;
2457 } // [HGM] chat: end of patch
2459 if (appData.zippyTalk || appData.zippyPlay) {
2460 /* [DM] Backup address for color zippy lines */
2464 if (loggedOn == TRUE)
2465 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2466 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2468 if (ZippyControl(buf, &i) ||
2469 ZippyConverse(buf, &i) ||
2470 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2472 if (!appData.colorize) continue;
2476 } // [DM] 'else { ' deleted
2478 /* Regular tells and says */
2479 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2480 looking_at(buf, &i, "* (your partner) tells you: ") ||
2481 looking_at(buf, &i, "* says: ") ||
2482 /* Don't color "message" or "messages" output */
2483 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2484 looking_at(buf, &i, "*. * at *:*: ") ||
2485 looking_at(buf, &i, "--* (*:*): ") ||
2486 /* Message notifications (same color as tells) */
2487 looking_at(buf, &i, "* has left a message ") ||
2488 looking_at(buf, &i, "* just sent you a message:\n") ||
2489 /* Whispers and kibitzes */
2490 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2491 looking_at(buf, &i, "* kibitzes: ") ||
2493 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2495 if (tkind == 1 && strchr(star_match[0], ':')) {
2496 /* Avoid "tells you:" spoofs in channels */
2499 if (star_match[0][0] == NULLCHAR ||
2500 strchr(star_match[0], ' ') ||
2501 (tkind == 3 && strchr(star_match[1], ' '))) {
2502 /* Reject bogus matches */
2505 if (appData.colorize) {
2506 if (oldi > next_out) {
2507 SendToPlayer(&buf[next_out], oldi - next_out);
2512 Colorize(ColorTell, FALSE);
2513 curColor = ColorTell;
2516 Colorize(ColorKibitz, FALSE);
2517 curColor = ColorKibitz;
2520 p = strrchr(star_match[1], '(');
2527 Colorize(ColorChannel1, FALSE);
2528 curColor = ColorChannel1;
2530 Colorize(ColorChannel, FALSE);
2531 curColor = ColorChannel;
2535 curColor = ColorNormal;
2539 if (started == STARTED_NONE && appData.autoComment &&
2540 (gameMode == IcsObserving ||
2541 gameMode == IcsPlayingWhite ||
2542 gameMode == IcsPlayingBlack)) {
2543 parse_pos = i - oldi;
2544 memcpy(parse, &buf[oldi], parse_pos);
2545 parse[parse_pos] = NULLCHAR;
2546 started = STARTED_COMMENT;
2547 savingComment = TRUE;
2549 started = STARTED_CHATTER;
2550 savingComment = FALSE;
2557 if (looking_at(buf, &i, "* s-shouts: ") ||
2558 looking_at(buf, &i, "* c-shouts: ")) {
2559 if (appData.colorize) {
2560 if (oldi > next_out) {
2561 SendToPlayer(&buf[next_out], oldi - next_out);
2564 Colorize(ColorSShout, FALSE);
2565 curColor = ColorSShout;
2568 started = STARTED_CHATTER;
2572 if (looking_at(buf, &i, "--->")) {
2577 if (looking_at(buf, &i, "* shouts: ") ||
2578 looking_at(buf, &i, "--> ")) {
2579 if (appData.colorize) {
2580 if (oldi > next_out) {
2581 SendToPlayer(&buf[next_out], oldi - next_out);
2584 Colorize(ColorShout, FALSE);
2585 curColor = ColorShout;
2588 started = STARTED_CHATTER;
2592 if (looking_at( buf, &i, "Challenge:")) {
2593 if (appData.colorize) {
2594 if (oldi > next_out) {
2595 SendToPlayer(&buf[next_out], oldi - next_out);
2598 Colorize(ColorChallenge, FALSE);
2599 curColor = ColorChallenge;
2605 if (looking_at(buf, &i, "* offers you") ||
2606 looking_at(buf, &i, "* offers to be") ||
2607 looking_at(buf, &i, "* would like to") ||
2608 looking_at(buf, &i, "* requests to") ||
2609 looking_at(buf, &i, "Your opponent offers") ||
2610 looking_at(buf, &i, "Your opponent requests")) {
2612 if (appData.colorize) {
2613 if (oldi > next_out) {
2614 SendToPlayer(&buf[next_out], oldi - next_out);
2617 Colorize(ColorRequest, FALSE);
2618 curColor = ColorRequest;
2623 if (looking_at(buf, &i, "* (*) seeking")) {
2624 if (appData.colorize) {
2625 if (oldi > next_out) {
2626 SendToPlayer(&buf[next_out], oldi - next_out);
2629 Colorize(ColorSeek, FALSE);
2630 curColor = ColorSeek;
2635 if (looking_at(buf, &i, "\\ ")) {
2636 if (prevColor != ColorNormal) {
2637 if (oldi > next_out) {
2638 SendToPlayer(&buf[next_out], oldi - next_out);
2641 Colorize(prevColor, TRUE);
2642 curColor = prevColor;
2644 if (savingComment) {
2645 parse_pos = i - oldi;
2646 memcpy(parse, &buf[oldi], parse_pos);
2647 parse[parse_pos] = NULLCHAR;
2648 started = STARTED_COMMENT;
2650 started = STARTED_CHATTER;
2655 if (looking_at(buf, &i, "Black Strength :") ||
2656 looking_at(buf, &i, "<<< style 10 board >>>") ||
2657 looking_at(buf, &i, "<10>") ||
2658 looking_at(buf, &i, "#@#")) {
2659 /* Wrong board style */
2661 SendToICS(ics_prefix);
2662 SendToICS("set style 12\n");
2663 SendToICS(ics_prefix);
2664 SendToICS("refresh\n");
2668 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
2670 have_sent_ICS_logon = 1;
2674 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
2675 (looking_at(buf, &i, "\n<12> ") ||
2676 looking_at(buf, &i, "<12> "))) {
2678 if (oldi > next_out) {
2679 SendToPlayer(&buf[next_out], oldi - next_out);
2682 started = STARTED_BOARD;
2687 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
2688 looking_at(buf, &i, "<b1> ")) {
2689 if (oldi > next_out) {
2690 SendToPlayer(&buf[next_out], oldi - next_out);
2693 started = STARTED_HOLDINGS;
2698 if (looking_at(buf, &i, "* *vs. * *--- *")) {
2700 /* Header for a move list -- first line */
2702 switch (ics_getting_history) {
2706 case BeginningOfGame:
2707 /* User typed "moves" or "oldmoves" while we
2708 were idle. Pretend we asked for these
2709 moves and soak them up so user can step
2710 through them and/or save them.
2713 gameMode = IcsObserving;
2716 ics_getting_history = H_GOT_UNREQ_HEADER;
2718 case EditGame: /*?*/
2719 case EditPosition: /*?*/
2720 /* Should above feature work in these modes too? */
2721 /* For now it doesn't */
2722 ics_getting_history = H_GOT_UNWANTED_HEADER;
2725 ics_getting_history = H_GOT_UNWANTED_HEADER;
2730 /* Is this the right one? */
2731 if (gameInfo.white && gameInfo.black &&
2732 strcmp(gameInfo.white, star_match[0]) == 0 &&
2733 strcmp(gameInfo.black, star_match[2]) == 0) {
2735 ics_getting_history = H_GOT_REQ_HEADER;
2738 case H_GOT_REQ_HEADER:
2739 case H_GOT_UNREQ_HEADER:
2740 case H_GOT_UNWANTED_HEADER:
2741 case H_GETTING_MOVES:
2742 /* Should not happen */
2743 DisplayError(_("Error gathering move list: two headers"), 0);
2744 ics_getting_history = H_FALSE;
2748 /* Save player ratings into gameInfo if needed */
2749 if ((ics_getting_history == H_GOT_REQ_HEADER ||
2750 ics_getting_history == H_GOT_UNREQ_HEADER) &&
2751 (gameInfo.whiteRating == -1 ||
2752 gameInfo.blackRating == -1)) {
2754 gameInfo.whiteRating = string_to_rating(star_match[1]);
2755 gameInfo.blackRating = string_to_rating(star_match[3]);
2756 if (appData.debugMode)
2757 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
2758 gameInfo.whiteRating, gameInfo.blackRating);
2763 if (looking_at(buf, &i,
2764 "* * match, initial time: * minute*, increment: * second")) {
2765 /* Header for a move list -- second line */
2766 /* Initial board will follow if this is a wild game */
2767 if (gameInfo.event != NULL) free(gameInfo.event);
2768 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
2769 gameInfo.event = StrSave(str);
2770 /* [HGM] we switched variant. Translate boards if needed. */
2771 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
2775 if (looking_at(buf, &i, "Move ")) {
2776 /* Beginning of a move list */
2777 switch (ics_getting_history) {
2779 /* Normally should not happen */
2780 /* Maybe user hit reset while we were parsing */
2783 /* Happens if we are ignoring a move list that is not
2784 * the one we just requested. Common if the user
2785 * tries to observe two games without turning off
2788 case H_GETTING_MOVES:
2789 /* Should not happen */
2790 DisplayError(_("Error gathering move list: nested"), 0);
2791 ics_getting_history = H_FALSE;
2793 case H_GOT_REQ_HEADER:
2794 ics_getting_history = H_GETTING_MOVES;
2795 started = STARTED_MOVES;
2797 if (oldi > next_out) {
2798 SendToPlayer(&buf[next_out], oldi - next_out);
2801 case H_GOT_UNREQ_HEADER:
2802 ics_getting_history = H_GETTING_MOVES;
2803 started = STARTED_MOVES_NOHIDE;
2806 case H_GOT_UNWANTED_HEADER:
2807 ics_getting_history = H_FALSE;
2813 if (looking_at(buf, &i, "% ") ||
2814 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
2815 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
2816 savingComment = FALSE;
2819 case STARTED_MOVES_NOHIDE:
2820 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
2821 parse[parse_pos + i - oldi] = NULLCHAR;
2822 ParseGameHistory(parse);
2824 if (appData.zippyPlay && first.initDone) {
2825 FeedMovesToProgram(&first, forwardMostMove);
2826 if (gameMode == IcsPlayingWhite) {
2827 if (WhiteOnMove(forwardMostMove)) {
2828 if (first.sendTime) {
2829 if (first.useColors) {
2830 SendToProgram("black\n", &first);
2832 SendTimeRemaining(&first, TRUE);
2835 if (first.useColors) {
2836 SendToProgram("white\ngo\n", &first);
2838 SendToProgram("go\n", &first);
2841 if (first.useColors) {
2842 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
2844 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
2846 first.maybeThinking = TRUE;
2848 if (first.usePlayother) {
2849 if (first.sendTime) {
2850 SendTimeRemaining(&first, TRUE);
2852 SendToProgram("playother\n", &first);
2858 } else if (gameMode == IcsPlayingBlack) {
2859 if (!WhiteOnMove(forwardMostMove)) {
2860 if (first.sendTime) {
2861 if (first.useColors) {
2862 SendToProgram("white\n", &first);
2864 SendTimeRemaining(&first, FALSE);
2867 if (first.useColors) {
2868 SendToProgram("black\ngo\n", &first);
2870 SendToProgram("go\n", &first);
2873 if (first.useColors) {
2874 SendToProgram("black\n", &first);
2876 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
2878 first.maybeThinking = TRUE;
2880 if (first.usePlayother) {
2881 if (first.sendTime) {
2882 SendTimeRemaining(&first, FALSE);
2884 SendToProgram("playother\n", &first);
2893 if (gameMode == IcsObserving && ics_gamenum == -1) {
2894 /* Moves came from oldmoves or moves command
2895 while we weren't doing anything else.
2897 currentMove = forwardMostMove;
2898 ClearHighlights();/*!!could figure this out*/
2899 flipView = appData.flipView;
2900 DrawPosition(FALSE, boards[currentMove]);
2901 DisplayBothClocks();
2902 sprintf(str, "%s vs. %s",
2903 gameInfo.white, gameInfo.black);
2907 /* Moves were history of an active game */
2908 if (gameInfo.resultDetails != NULL) {
2909 free(gameInfo.resultDetails);
2910 gameInfo.resultDetails = NULL;
2913 HistorySet(parseList, backwardMostMove,
2914 forwardMostMove, currentMove-1);
2915 DisplayMove(currentMove - 1);
2916 if (started == STARTED_MOVES) next_out = i;
2917 started = STARTED_NONE;
2918 ics_getting_history = H_FALSE;
2921 case STARTED_OBSERVE:
2922 started = STARTED_NONE;
2923 SendToICS(ics_prefix);
2924 SendToICS("refresh\n");
2930 if(bookHit) { // [HGM] book: simulate book reply
2931 static char bookMove[MSG_SIZ]; // a bit generous?
2933 programStats.nodes = programStats.depth = programStats.time =
2934 programStats.score = programStats.got_only_move = 0;
2935 sprintf(programStats.movelist, "%s (xbook)", bookHit);
2937 strcpy(bookMove, "move ");
2938 strcat(bookMove, bookHit);
2939 HandleMachineMove(bookMove, &first);
2944 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
2945 started == STARTED_HOLDINGS ||
2946 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
2947 /* Accumulate characters in move list or board */
2948 parse[parse_pos++] = buf[i];
2951 /* Start of game messages. Mostly we detect start of game
2952 when the first board image arrives. On some versions
2953 of the ICS, though, we need to do a "refresh" after starting
2954 to observe in order to get the current board right away. */
2955 if (looking_at(buf, &i, "Adding game * to observation list")) {
2956 started = STARTED_OBSERVE;
2960 /* Handle auto-observe */
2961 if (appData.autoObserve &&
2962 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
2963 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
2965 /* Choose the player that was highlighted, if any. */
2966 if (star_match[0][0] == '\033' ||
2967 star_match[1][0] != '\033') {
2968 player = star_match[0];
2970 player = star_match[2];
2972 sprintf(str, "%sobserve %s\n",
2973 ics_prefix, StripHighlightAndTitle(player));
2976 /* Save ratings from notify string */
2977 strcpy(player1Name, star_match[0]);
2978 player1Rating = string_to_rating(star_match[1]);
2979 strcpy(player2Name, star_match[2]);
2980 player2Rating = string_to_rating(star_match[3]);
2982 if (appData.debugMode)
2984 "Ratings from 'Game notification:' %s %d, %s %d\n",
2985 player1Name, player1Rating,
2986 player2Name, player2Rating);
2991 /* Deal with automatic examine mode after a game,
2992 and with IcsObserving -> IcsExamining transition */
2993 if (looking_at(buf, &i, "Entering examine mode for game *") ||
2994 looking_at(buf, &i, "has made you an examiner of game *")) {
2996 int gamenum = atoi(star_match[0]);
2997 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
2998 gamenum == ics_gamenum) {
2999 /* We were already playing or observing this game;
3000 no need to refetch history */
3001 gameMode = IcsExamining;
3003 pauseExamForwardMostMove = forwardMostMove;
3004 } else if (currentMove < forwardMostMove) {
3005 ForwardInner(forwardMostMove);
3008 /* I don't think this case really can happen */
3009 SendToICS(ics_prefix);
3010 SendToICS("refresh\n");
3015 /* Error messages */
3016 // if (ics_user_moved) {
3017 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3018 if (looking_at(buf, &i, "Illegal move") ||
3019 looking_at(buf, &i, "Not a legal move") ||
3020 looking_at(buf, &i, "Your king is in check") ||
3021 looking_at(buf, &i, "It isn't your turn") ||
3022 looking_at(buf, &i, "It is not your move")) {
3024 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3025 currentMove = --forwardMostMove;
3026 DisplayMove(currentMove - 1); /* before DMError */
3027 DrawPosition(FALSE, boards[currentMove]);
3029 DisplayBothClocks();
3031 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3037 if (looking_at(buf, &i, "still have time") ||
3038 looking_at(buf, &i, "not out of time") ||
3039 looking_at(buf, &i, "either player is out of time") ||
3040 looking_at(buf, &i, "has timeseal; checking")) {
3041 /* We must have called his flag a little too soon */
3042 whiteFlag = blackFlag = FALSE;
3046 if (looking_at(buf, &i, "added * seconds to") ||
3047 looking_at(buf, &i, "seconds were added to")) {
3048 /* Update the clocks */
3049 SendToICS(ics_prefix);
3050 SendToICS("refresh\n");
3054 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3055 ics_clock_paused = TRUE;
3060 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3061 ics_clock_paused = FALSE;
3066 /* Grab player ratings from the Creating: message.
3067 Note we have to check for the special case when
3068 the ICS inserts things like [white] or [black]. */
3069 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3070 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3072 0 player 1 name (not necessarily white)
3074 2 empty, white, or black (IGNORED)
3075 3 player 2 name (not necessarily black)
3078 The names/ratings are sorted out when the game
3079 actually starts (below).
3081 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3082 player1Rating = string_to_rating(star_match[1]);
3083 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3084 player2Rating = string_to_rating(star_match[4]);
3086 if (appData.debugMode)
3088 "Ratings from 'Creating:' %s %d, %s %d\n",
3089 player1Name, player1Rating,
3090 player2Name, player2Rating);
3095 /* Improved generic start/end-of-game messages */
3096 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3097 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3098 /* If tkind == 0: */
3099 /* star_match[0] is the game number */
3100 /* [1] is the white player's name */
3101 /* [2] is the black player's name */
3102 /* For end-of-game: */
3103 /* [3] is the reason for the game end */
3104 /* [4] is a PGN end game-token, preceded by " " */
3105 /* For start-of-game: */
3106 /* [3] begins with "Creating" or "Continuing" */
3107 /* [4] is " *" or empty (don't care). */
3108 int gamenum = atoi(star_match[0]);
3109 char *whitename, *blackname, *why, *endtoken;
3110 ChessMove endtype = (ChessMove) 0;
3113 whitename = star_match[1];
3114 blackname = star_match[2];
3115 why = star_match[3];
3116 endtoken = star_match[4];
3118 whitename = star_match[1];
3119 blackname = star_match[3];
3120 why = star_match[5];
3121 endtoken = star_match[6];
3124 /* Game start messages */
3125 if (strncmp(why, "Creating ", 9) == 0 ||
3126 strncmp(why, "Continuing ", 11) == 0) {
3127 gs_gamenum = gamenum;
3128 strcpy(gs_kind, strchr(why, ' ') + 1);
3130 if (appData.zippyPlay) {
3131 ZippyGameStart(whitename, blackname);
3137 /* Game end messages */
3138 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3139 ics_gamenum != gamenum) {
3142 while (endtoken[0] == ' ') endtoken++;
3143 switch (endtoken[0]) {
3146 endtype = GameUnfinished;
3149 endtype = BlackWins;
3152 if (endtoken[1] == '/')
3153 endtype = GameIsDrawn;
3155 endtype = WhiteWins;
3158 GameEnds(endtype, why, GE_ICS);
3160 if (appData.zippyPlay && first.initDone) {
3161 ZippyGameEnd(endtype, why);
3162 if (first.pr == NULL) {
3163 /* Start the next process early so that we'll
3164 be ready for the next challenge */
3165 StartChessProgram(&first);
3167 /* Send "new" early, in case this command takes
3168 a long time to finish, so that we'll be ready
3169 for the next challenge. */
3170 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3177 if (looking_at(buf, &i, "Removing game * from observation") ||
3178 looking_at(buf, &i, "no longer observing game *") ||
3179 looking_at(buf, &i, "Game * (*) has no examiners")) {
3180 if (gameMode == IcsObserving &&
3181 atoi(star_match[0]) == ics_gamenum)
3183 /* icsEngineAnalyze */
3184 if (appData.icsEngineAnalyze) {
3191 ics_user_moved = FALSE;
3196 if (looking_at(buf, &i, "no longer examining game *")) {
3197 if (gameMode == IcsExamining &&
3198 atoi(star_match[0]) == ics_gamenum)
3202 ics_user_moved = FALSE;
3207 /* Advance leftover_start past any newlines we find,
3208 so only partial lines can get reparsed */
3209 if (looking_at(buf, &i, "\n")) {
3210 prevColor = curColor;
3211 if (curColor != ColorNormal) {
3212 if (oldi > next_out) {
3213 SendToPlayer(&buf[next_out], oldi - next_out);
3216 Colorize(ColorNormal, FALSE);
3217 curColor = ColorNormal;
3219 if (started == STARTED_BOARD) {
3220 started = STARTED_NONE;
3221 parse[parse_pos] = NULLCHAR;
3222 ParseBoard12(parse);
3225 /* Send premove here */
3226 if (appData.premove) {
3228 if (currentMove == 0 &&
3229 gameMode == IcsPlayingWhite &&
3230 appData.premoveWhite) {
3231 sprintf(str, "%s%s\n", ics_prefix,
3232 appData.premoveWhiteText);
3233 if (appData.debugMode)
3234 fprintf(debugFP, "Sending premove:\n");
3236 } else if (currentMove == 1 &&
3237 gameMode == IcsPlayingBlack &&
3238 appData.premoveBlack) {
3239 sprintf(str, "%s%s\n", ics_prefix,
3240 appData.premoveBlackText);
3241 if (appData.debugMode)
3242 fprintf(debugFP, "Sending premove:\n");
3244 } else if (gotPremove) {
3246 ClearPremoveHighlights();
3247 if (appData.debugMode)
3248 fprintf(debugFP, "Sending premove:\n");
3249 UserMoveEvent(premoveFromX, premoveFromY,
3250 premoveToX, premoveToY,
3255 /* Usually suppress following prompt */
3256 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3257 if (looking_at(buf, &i, "*% ")) {
3258 savingComment = FALSE;
3262 } else if (started == STARTED_HOLDINGS) {
3264 char new_piece[MSG_SIZ];
3265 started = STARTED_NONE;
3266 parse[parse_pos] = NULLCHAR;
3267 if (appData.debugMode)
3268 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3269 parse, currentMove);
3270 if (sscanf(parse, " game %d", &gamenum) == 1 &&
3271 gamenum == ics_gamenum) {
3272 if (gameInfo.variant == VariantNormal) {
3273 /* [HGM] We seem to switch variant during a game!
3274 * Presumably no holdings were displayed, so we have
3275 * to move the position two files to the right to
3276 * create room for them!
3278 VariantSwitch(boards[currentMove], VariantCrazyhouse); /* temp guess */
3279 /* Get a move list just to see the header, which
3280 will tell us whether this is really bug or zh */
3281 if (ics_getting_history == H_FALSE) {
3282 ics_getting_history = H_REQUESTED;
3283 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3287 new_piece[0] = NULLCHAR;
3288 sscanf(parse, "game %d white [%s black [%s <- %s",
3289 &gamenum, white_holding, black_holding,
3291 white_holding[strlen(white_holding)-1] = NULLCHAR;
3292 black_holding[strlen(black_holding)-1] = NULLCHAR;
3293 /* [HGM] copy holdings to board holdings area */
3294 CopyHoldings(boards[currentMove], white_holding, WhitePawn);
3295 CopyHoldings(boards[currentMove], black_holding, BlackPawn);
3297 if (appData.zippyPlay && first.initDone) {
3298 ZippyHoldings(white_holding, black_holding,
3302 if (tinyLayout || smallLayout) {
3303 char wh[16], bh[16];
3304 PackHolding(wh, white_holding);
3305 PackHolding(bh, black_holding);
3306 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3307 gameInfo.white, gameInfo.black);
3309 sprintf(str, "%s [%s] vs. %s [%s]",
3310 gameInfo.white, white_holding,
3311 gameInfo.black, black_holding);
3314 DrawPosition(FALSE, boards[currentMove]);
3317 /* Suppress following prompt */
3318 if (looking_at(buf, &i, "*% ")) {
3319 savingComment = FALSE;
3326 i++; /* skip unparsed character and loop back */
3329 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz suppress printing in ICS interaction window
3330 started != STARTED_HOLDINGS && i > next_out) {
3331 SendToPlayer(&buf[next_out], i - next_out);
3334 suppressKibitz = FALSE; // [HGM] kibitz: has done its duty in if-statement above
3336 leftover_len = buf_len - leftover_start;
3337 /* if buffer ends with something we couldn't parse,
3338 reparse it after appending the next read */
3340 } else if (count == 0) {
3341 RemoveInputSource(isr);
3342 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3344 DisplayFatalError(_("Error reading from ICS"), error, 1);
3349 /* Board style 12 looks like this:
3351 <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
3353 * The "<12> " is stripped before it gets to this routine. The two
3354 * trailing 0's (flip state and clock ticking) are later addition, and
3355 * some chess servers may not have them, or may have only the first.
3356 * Additional trailing fields may be added in the future.
3359 #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"
3361 #define RELATION_OBSERVING_PLAYED 0
3362 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3363 #define RELATION_PLAYING_MYMOVE 1
3364 #define RELATION_PLAYING_NOTMYMOVE -1
3365 #define RELATION_EXAMINING 2
3366 #define RELATION_ISOLATED_BOARD -3
3367 #define RELATION_STARTING_POSITION -4 /* FICS only */
3370 ParseBoard12(string)
3373 GameMode newGameMode;
3374 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3375 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3376 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3377 char to_play, board_chars[200];
3378 char move_str[500], str[500], elapsed_time[500];
3379 char black[32], white[32];
3381 int prevMove = currentMove;
3384 int fromX, fromY, toX, toY;
3386 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3387 char *bookHit = NULL; // [HGM] book
3389 fromX = fromY = toX = toY = -1;
3393 if (appData.debugMode)
3394 fprintf(debugFP, _("Parsing board: %s\n"), string);
3396 move_str[0] = NULLCHAR;
3397 elapsed_time[0] = NULLCHAR;
3398 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3400 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3401 if(string[i] == ' ') { ranks++; files = 0; }
3405 for(j = 0; j <i; j++) board_chars[j] = string[j];
3406 board_chars[i] = '\0';
3409 n = sscanf(string, PATTERN, &to_play, &double_push,
3410 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3411 &gamenum, white, black, &relation, &basetime, &increment,
3412 &white_stren, &black_stren, &white_time, &black_time,
3413 &moveNum, str, elapsed_time, move_str, &ics_flip,
3417 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3418 DisplayError(str, 0);
3422 /* Convert the move number to internal form */
3423 moveNum = (moveNum - 1) * 2;
3424 if (to_play == 'B') moveNum++;
3425 if (moveNum >= MAX_MOVES) {
3426 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3432 case RELATION_OBSERVING_PLAYED:
3433 case RELATION_OBSERVING_STATIC:
3434 if (gamenum == -1) {
3435 /* Old ICC buglet */
3436 relation = RELATION_OBSERVING_STATIC;
3438 newGameMode = IcsObserving;
3440 case RELATION_PLAYING_MYMOVE:
3441 case RELATION_PLAYING_NOTMYMOVE:
3443 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3444 IcsPlayingWhite : IcsPlayingBlack;
3446 case RELATION_EXAMINING:
3447 newGameMode = IcsExamining;
3449 case RELATION_ISOLATED_BOARD:
3451 /* Just display this board. If user was doing something else,
3452 we will forget about it until the next board comes. */
3453 newGameMode = IcsIdle;
3455 case RELATION_STARTING_POSITION:
3456 newGameMode = gameMode;
3460 /* Modify behavior for initial board display on move listing
3463 switch (ics_getting_history) {
3467 case H_GOT_REQ_HEADER:
3468 case H_GOT_UNREQ_HEADER:
3469 /* This is the initial position of the current game */
3470 gamenum = ics_gamenum;
3471 moveNum = 0; /* old ICS bug workaround */
3472 if (to_play == 'B') {
3473 startedFromSetupPosition = TRUE;
3474 blackPlaysFirst = TRUE;
3476 if (forwardMostMove == 0) forwardMostMove = 1;
3477 if (backwardMostMove == 0) backwardMostMove = 1;
3478 if (currentMove == 0) currentMove = 1;
3480 newGameMode = gameMode;
3481 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3483 case H_GOT_UNWANTED_HEADER:
3484 /* This is an initial board that we don't want */
3486 case H_GETTING_MOVES:
3487 /* Should not happen */
3488 DisplayError(_("Error gathering move list: extra board"), 0);
3489 ics_getting_history = H_FALSE;
3493 /* Take action if this is the first board of a new game, or of a
3494 different game than is currently being displayed. */
3495 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3496 relation == RELATION_ISOLATED_BOARD) {
3498 /* Forget the old game and get the history (if any) of the new one */
3499 if (gameMode != BeginningOfGame) {
3503 if (appData.autoRaiseBoard) BoardToTop();
3505 if (gamenum == -1) {
3506 newGameMode = IcsIdle;
3507 } else if (moveNum > 0 && newGameMode != IcsIdle &&
3508 appData.getMoveList) {
3509 /* Need to get game history */
3510 ics_getting_history = H_REQUESTED;
3511 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3515 /* Initially flip the board to have black on the bottom if playing
3516 black or if the ICS flip flag is set, but let the user change
3517 it with the Flip View button. */
3518 flipView = appData.autoFlipView ?
3519 (newGameMode == IcsPlayingBlack) || ics_flip :
3522 /* Done with values from previous mode; copy in new ones */
3523 gameMode = newGameMode;
3525 ics_gamenum = gamenum;
3526 if (gamenum == gs_gamenum) {
3527 int klen = strlen(gs_kind);
3528 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3529 sprintf(str, "ICS %s", gs_kind);
3530 gameInfo.event = StrSave(str);
3532 gameInfo.event = StrSave("ICS game");
3534 gameInfo.site = StrSave(appData.icsHost);
3535 gameInfo.date = PGNDate();
3536 gameInfo.round = StrSave("-");
3537 gameInfo.white = StrSave(white);
3538 gameInfo.black = StrSave(black);
3539 timeControl = basetime * 60 * 1000;
3541 timeIncrement = increment * 1000;
3542 movesPerSession = 0;
3543 gameInfo.timeControl = TimeControlTagValue();
3544 VariantSwitch(board, StringToVariant(gameInfo.event) );
3545 if (appData.debugMode) {
3546 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3547 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3548 setbuf(debugFP, NULL);
3551 gameInfo.outOfBook = NULL;
3553 /* Do we have the ratings? */
3554 if (strcmp(player1Name, white) == 0 &&
3555 strcmp(player2Name, black) == 0) {
3556 if (appData.debugMode)
3557 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3558 player1Rating, player2Rating);
3559 gameInfo.whiteRating = player1Rating;
3560 gameInfo.blackRating = player2Rating;
3561 } else if (strcmp(player2Name, white) == 0 &&
3562 strcmp(player1Name, black) == 0) {
3563 if (appData.debugMode)
3564 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3565 player2Rating, player1Rating);
3566 gameInfo.whiteRating = player2Rating;
3567 gameInfo.blackRating = player1Rating;
3569 player1Name[0] = player2Name[0] = NULLCHAR;
3571 /* Silence shouts if requested */
3572 if (appData.quietPlay &&
3573 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
3574 SendToICS(ics_prefix);
3575 SendToICS("set shout 0\n");
3579 /* Deal with midgame name changes */
3581 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
3582 if (gameInfo.white) free(gameInfo.white);
3583 gameInfo.white = StrSave(white);
3585 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
3586 if (gameInfo.black) free(gameInfo.black);
3587 gameInfo.black = StrSave(black);
3591 /* Throw away game result if anything actually changes in examine mode */
3592 if (gameMode == IcsExamining && !newGame) {
3593 gameInfo.result = GameUnfinished;
3594 if (gameInfo.resultDetails != NULL) {
3595 free(gameInfo.resultDetails);
3596 gameInfo.resultDetails = NULL;
3600 /* In pausing && IcsExamining mode, we ignore boards coming
3601 in if they are in a different variation than we are. */
3602 if (pauseExamInvalid) return;
3603 if (pausing && gameMode == IcsExamining) {
3604 if (moveNum <= pauseExamForwardMostMove) {
3605 pauseExamInvalid = TRUE;
3606 forwardMostMove = pauseExamForwardMostMove;
3611 if (appData.debugMode) {
3612 fprintf(debugFP, "load %dx%d board\n", files, ranks);
3614 /* Parse the board */
3615 for (k = 0; k < ranks; k++) {
3616 for (j = 0; j < files; j++)
3617 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3618 if(gameInfo.holdingsWidth > 1) {
3619 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3620 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3623 CopyBoard(boards[moveNum], board);
3625 startedFromSetupPosition =
3626 !CompareBoards(board, initialPosition);
3627 if(startedFromSetupPosition)
3628 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
3631 /* [HGM] Set castling rights. Take the outermost Rooks,
3632 to make it also work for FRC opening positions. Note that board12
3633 is really defective for later FRC positions, as it has no way to
3634 indicate which Rook can castle if they are on the same side of King.
3635 For the initial position we grant rights to the outermost Rooks,
3636 and remember thos rights, and we then copy them on positions
3637 later in an FRC game. This means WB might not recognize castlings with
3638 Rooks that have moved back to their original position as illegal,
3639 but in ICS mode that is not its job anyway.
3641 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
3642 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
3644 for(i=BOARD_LEFT, j= -1; i<BOARD_RGHT; i++)
3645 if(board[0][i] == WhiteRook) j = i;
3646 initialRights[0] = castlingRights[moveNum][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3647 for(i=BOARD_RGHT-1, j= -1; i>=BOARD_LEFT; i--)
3648 if(board[0][i] == WhiteRook) j = i;
3649 initialRights[1] = castlingRights[moveNum][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3650 for(i=BOARD_LEFT, j= -1; i<BOARD_RGHT; i++)
3651 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3652 initialRights[3] = castlingRights[moveNum][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3653 for(i=BOARD_RGHT-1, j= -1; i>=BOARD_LEFT; i--)
3654 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3655 initialRights[4] = castlingRights[moveNum][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3657 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
3658 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3659 if(board[0][k] == wKing) initialRights[2] = castlingRights[moveNum][2] = k;
3660 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3661 if(board[BOARD_HEIGHT-1][k] == bKing)
3662 initialRights[5] = castlingRights[moveNum][5] = k;
3664 r = castlingRights[moveNum][0] = initialRights[0];
3665 if(board[0][r] != WhiteRook) castlingRights[moveNum][0] = -1;
3666 r = castlingRights[moveNum][1] = initialRights[1];
3667 if(board[0][r] != WhiteRook) castlingRights[moveNum][1] = -1;
3668 r = castlingRights[moveNum][3] = initialRights[3];
3669 if(board[BOARD_HEIGHT-1][r] != BlackRook) castlingRights[moveNum][3] = -1;
3670 r = castlingRights[moveNum][4] = initialRights[4];
3671 if(board[BOARD_HEIGHT-1][r] != BlackRook) castlingRights[moveNum][4] = -1;
3672 /* wildcastle kludge: always assume King has rights */
3673 r = castlingRights[moveNum][2] = initialRights[2];
3674 r = castlingRights[moveNum][5] = initialRights[5];
3676 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
3677 epStatus[moveNum] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
3680 if (ics_getting_history == H_GOT_REQ_HEADER ||
3681 ics_getting_history == H_GOT_UNREQ_HEADER) {
3682 /* This was an initial position from a move list, not
3683 the current position */
3687 /* Update currentMove and known move number limits */
3688 newMove = newGame || moveNum > forwardMostMove;
3690 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
3691 if (!newGame && appData.icsEngineAnalyze && moveNum < forwardMostMove) {
3692 takeback = forwardMostMove - moveNum;
3693 for (i = 0; i < takeback; i++) {
3694 if (appData.debugMode) fprintf(debugFP, "take back move\n");
3695 SendToProgram("undo\n", &first);
3700 forwardMostMove = backwardMostMove = currentMove = moveNum;
3701 if (gameMode == IcsExamining && moveNum == 0) {
3702 /* Workaround for ICS limitation: we are not told the wild
3703 type when starting to examine a game. But if we ask for
3704 the move list, the move list header will tell us */
3705 ics_getting_history = H_REQUESTED;
3706 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3709 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
3710 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
3711 forwardMostMove = moveNum;
3712 if (!pausing || currentMove > forwardMostMove)
3713 currentMove = forwardMostMove;
3715 /* New part of history that is not contiguous with old part */
3716 if (pausing && gameMode == IcsExamining) {
3717 pauseExamInvalid = TRUE;
3718 forwardMostMove = pauseExamForwardMostMove;
3721 forwardMostMove = backwardMostMove = currentMove = moveNum;
3722 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
3723 ics_getting_history = H_REQUESTED;
3724 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3729 /* Update the clocks */
3730 if (strchr(elapsed_time, '.')) {
3732 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
3733 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
3735 /* Time is in seconds */
3736 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
3737 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
3742 if (appData.zippyPlay && newGame &&
3743 gameMode != IcsObserving && gameMode != IcsIdle &&
3744 gameMode != IcsExamining)
3745 ZippyFirstBoard(moveNum, basetime, increment);
3748 /* Put the move on the move list, first converting
3749 to canonical algebraic form. */
3751 if (appData.debugMode) {
3752 if (appData.debugMode) { int f = forwardMostMove;
3753 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
3754 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
3756 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
3757 fprintf(debugFP, "moveNum = %d\n", moveNum);
3758 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
3759 setbuf(debugFP, NULL);
3761 if (moveNum <= backwardMostMove) {
3762 /* We don't know what the board looked like before
3764 strcpy(parseList[moveNum - 1], move_str);
3765 strcat(parseList[moveNum - 1], " ");
3766 strcat(parseList[moveNum - 1], elapsed_time);
3767 moveList[moveNum - 1][0] = NULLCHAR;
3768 } else if (strcmp(move_str, "none") == 0) {
3769 // [HGM] long SAN: swapped order; test for 'none' before parsing move
3770 /* Again, we don't know what the board looked like;
3771 this is really the start of the game. */
3772 parseList[moveNum - 1][0] = NULLCHAR;
3773 moveList[moveNum - 1][0] = NULLCHAR;
3774 backwardMostMove = moveNum;
3775 startedFromSetupPosition = TRUE;
3776 fromX = fromY = toX = toY = -1;
3778 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
3779 // So we parse the long-algebraic move string in stead of the SAN move
3780 int valid; char buf[MSG_SIZ], *prom;
3782 // str looks something like "Q/a1-a2"; kill the slash
3784 sprintf(buf, "%c%s", str[0], str+2);
3785 else strcpy(buf, str); // might be castling
3786 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
3787 strcat(buf, prom); // long move lacks promo specification!
3788 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
3789 if(appData.debugMode)
3790 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
3791 strcpy(move_str, buf);
3793 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
3794 &fromX, &fromY, &toX, &toY, &promoChar)
3795 || ParseOneMove(buf, moveNum - 1, &moveType,
3796 &fromX, &fromY, &toX, &toY, &promoChar);
3797 // end of long SAN patch
3799 (void) CoordsToAlgebraic(boards[moveNum - 1],
3800 PosFlags(moveNum - 1), EP_UNKNOWN,
3801 fromY, fromX, toY, toX, promoChar,
3802 parseList[moveNum-1]);
3803 switch (MateTest(boards[moveNum], PosFlags(moveNum), EP_UNKNOWN,
3804 castlingRights[moveNum]) ) {
3810 if(gameInfo.variant != VariantShogi)
3811 strcat(parseList[moveNum - 1], "+");
3814 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
3815 strcat(parseList[moveNum - 1], "#");
3818 strcat(parseList[moveNum - 1], " ");
3819 strcat(parseList[moveNum - 1], elapsed_time);
3820 /* currentMoveString is set as a side-effect of ParseOneMove */
3821 strcpy(moveList[moveNum - 1], currentMoveString);
3822 strcat(moveList[moveNum - 1], "\n");
3824 /* Move from ICS was illegal!? Punt. */
3825 if (appData.debugMode) {
3826 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
3827 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
3830 if (appData.testLegality && appData.debugMode) {
3831 sprintf(str, "Illegal move \"%s\" from ICS", move_str);
3832 DisplayError(str, 0);
3835 strcpy(parseList[moveNum - 1], move_str);
3836 strcat(parseList[moveNum - 1], " ");
3837 strcat(parseList[moveNum - 1], elapsed_time);
3838 moveList[moveNum - 1][0] = NULLCHAR;
3839 fromX = fromY = toX = toY = -1;
3842 if (appData.debugMode) {
3843 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
3844 setbuf(debugFP, NULL);
3848 /* Send move to chess program (BEFORE animating it). */
3849 if (appData.zippyPlay && !newGame && newMove &&
3850 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
3852 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
3853 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
3854 if (moveList[moveNum - 1][0] == NULLCHAR) {
3855 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
3857 DisplayError(str, 0);
3859 if (first.sendTime) {
3860 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
3862 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
3863 if (firstMove && !bookHit) {
3865 if (first.useColors) {
3866 SendToProgram(gameMode == IcsPlayingWhite ?
3868 "black\ngo\n", &first);
3870 SendToProgram("go\n", &first);
3872 first.maybeThinking = TRUE;
3875 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
3876 if (moveList[moveNum - 1][0] == NULLCHAR) {
3877 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
3878 DisplayError(str, 0);
3880 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
3881 SendMoveToProgram(moveNum - 1, &first);
3888 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
3889 /* If move comes from a remote source, animate it. If it
3890 isn't remote, it will have already been animated. */
3891 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
3892 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
3894 if (!pausing && appData.highlightLastMove) {
3895 SetHighlights(fromX, fromY, toX, toY);
3899 /* Start the clocks */
3900 whiteFlag = blackFlag = FALSE;
3901 appData.clockMode = !(basetime == 0 && increment == 0);
3903 ics_clock_paused = TRUE;
3905 } else if (ticking == 1) {
3906 ics_clock_paused = FALSE;
3908 if (gameMode == IcsIdle ||
3909 relation == RELATION_OBSERVING_STATIC ||
3910 relation == RELATION_EXAMINING ||
3912 DisplayBothClocks();
3916 /* Display opponents and material strengths */
3917 if (gameInfo.variant != VariantBughouse &&
3918 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
3919 if (tinyLayout || smallLayout) {
3920 if(gameInfo.variant == VariantNormal)
3921 sprintf(str, "%s(%d) %s(%d) {%d %d}",
3922 gameInfo.white, white_stren, gameInfo.black, black_stren,
3923 basetime, increment);
3925 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
3926 gameInfo.white, white_stren, gameInfo.black, black_stren,
3927 basetime, increment, (int) gameInfo.variant);
3929 if(gameInfo.variant == VariantNormal)
3930 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
3931 gameInfo.white, white_stren, gameInfo.black, black_stren,
3932 basetime, increment);
3934 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
3935 gameInfo.white, white_stren, gameInfo.black, black_stren,
3936 basetime, increment, VariantName(gameInfo.variant));
3939 if (appData.debugMode) {
3940 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
3945 /* Display the board */
3946 if (!pausing && !appData.noGUI) {
3948 if (appData.premove)
3950 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
3951 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
3952 ClearPremoveHighlights();
3954 DrawPosition(FALSE, boards[currentMove]);
3955 DisplayMove(moveNum - 1);
3956 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
3957 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
3958 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
3959 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
3963 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
3965 if(bookHit) { // [HGM] book: simulate book reply
3966 static char bookMove[MSG_SIZ]; // a bit generous?
3968 programStats.nodes = programStats.depth = programStats.time =
3969 programStats.score = programStats.got_only_move = 0;
3970 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3972 strcpy(bookMove, "move ");
3973 strcat(bookMove, bookHit);
3974 HandleMachineMove(bookMove, &first);
3983 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
3984 ics_getting_history = H_REQUESTED;
3985 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
3991 AnalysisPeriodicEvent(force)
3994 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
3995 && !force) || !appData.periodicUpdates)
3998 /* Send . command to Crafty to collect stats */
3999 SendToProgram(".\n", &first);
4001 /* Don't send another until we get a response (this makes
4002 us stop sending to old Crafty's which don't understand
4003 the "." command (sending illegal cmds resets node count & time,
4004 which looks bad)) */
4005 programStats.ok_to_send = 0;
4009 SendMoveToProgram(moveNum, cps)
4011 ChessProgramState *cps;
4015 if (cps->useUsermove) {
4016 SendToProgram("usermove ", cps);
4020 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4021 int len = space - parseList[moveNum];
4022 memcpy(buf, parseList[moveNum], len);
4024 buf[len] = NULLCHAR;
4026 sprintf(buf, "%s\n", parseList[moveNum]);
4028 SendToProgram(buf, cps);
4030 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4031 AlphaRank(moveList[moveNum], 4);
4032 SendToProgram(moveList[moveNum], cps);
4033 AlphaRank(moveList[moveNum], 4); // and back
4035 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4036 * the engine. It would be nice to have a better way to identify castle
4038 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4039 && cps->useOOCastle) {
4040 int fromX = moveList[moveNum][0] - AAA;
4041 int fromY = moveList[moveNum][1] - ONE;
4042 int toX = moveList[moveNum][2] - AAA;
4043 int toY = moveList[moveNum][3] - ONE;
4044 if((boards[moveNum][fromY][fromX] == WhiteKing
4045 && boards[moveNum][toY][toX] == WhiteRook)
4046 || (boards[moveNum][fromY][fromX] == BlackKing
4047 && boards[moveNum][toY][toX] == BlackRook)) {
4048 if(toX > fromX) SendToProgram("O-O\n", cps);
4049 else SendToProgram("O-O-O\n", cps);
4051 else SendToProgram(moveList[moveNum], cps);
4053 else SendToProgram(moveList[moveNum], cps);
4054 /* End of additions by Tord */
4057 /* [HGM] setting up the opening has brought engine in force mode! */
4058 /* Send 'go' if we are in a mode where machine should play. */
4059 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4060 (gameMode == TwoMachinesPlay ||
4062 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4064 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4065 SendToProgram("go\n", cps);
4066 if (appData.debugMode) {
4067 fprintf(debugFP, "(extra)\n");
4070 setboardSpoiledMachineBlack = 0;
4074 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4076 int fromX, fromY, toX, toY;
4078 char user_move[MSG_SIZ];
4082 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4083 (int)moveType, fromX, fromY, toX, toY);
4084 DisplayError(user_move + strlen("say "), 0);
4086 case WhiteKingSideCastle:
4087 case BlackKingSideCastle:
4088 case WhiteQueenSideCastleWild:
4089 case BlackQueenSideCastleWild:
4091 case WhiteHSideCastleFR:
4092 case BlackHSideCastleFR:
4094 sprintf(user_move, "o-o\n");
4096 case WhiteQueenSideCastle:
4097 case BlackQueenSideCastle:
4098 case WhiteKingSideCastleWild:
4099 case BlackKingSideCastleWild:
4101 case WhiteASideCastleFR:
4102 case BlackASideCastleFR:
4104 sprintf(user_move, "o-o-o\n");
4106 case WhitePromotionQueen:
4107 case BlackPromotionQueen:
4108 case WhitePromotionRook:
4109 case BlackPromotionRook:
4110 case WhitePromotionBishop:
4111 case BlackPromotionBishop:
4112 case WhitePromotionKnight:
4113 case BlackPromotionKnight:
4114 case WhitePromotionKing:
4115 case BlackPromotionKing:
4116 case WhitePromotionChancellor:
4117 case BlackPromotionChancellor:
4118 case WhitePromotionArchbishop:
4119 case BlackPromotionArchbishop:
4120 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier)
4121 sprintf(user_move, "%c%c%c%c=%c\n",
4122 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4123 PieceToChar(WhiteFerz));
4124 else if(gameInfo.variant == VariantGreat)
4125 sprintf(user_move, "%c%c%c%c=%c\n",
4126 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4127 PieceToChar(WhiteMan));
4129 sprintf(user_move, "%c%c%c%c=%c\n",
4130 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4131 PieceToChar(PromoPiece(moveType)));
4135 sprintf(user_move, "%c@%c%c\n",
4136 ToUpper(PieceToChar((ChessSquare) fromX)),
4137 AAA + toX, ONE + toY);
4140 case WhiteCapturesEnPassant:
4141 case BlackCapturesEnPassant:
4142 case IllegalMove: /* could be a variant we don't quite understand */
4143 sprintf(user_move, "%c%c%c%c\n",
4144 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4147 SendToICS(user_move);
4148 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4149 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4153 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4158 if (rf == DROP_RANK) {
4159 sprintf(move, "%c@%c%c\n",
4160 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4162 if (promoChar == 'x' || promoChar == NULLCHAR) {
4163 sprintf(move, "%c%c%c%c\n",
4164 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4166 sprintf(move, "%c%c%c%c%c\n",
4167 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4173 ProcessICSInitScript(f)
4178 while (fgets(buf, MSG_SIZ, f)) {
4179 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4186 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4188 AlphaRank(char *move, int n)
4190 // char *p = move, c; int x, y;
4192 if (appData.debugMode) {
4193 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4197 move[2]>='0' && move[2]<='9' &&
4198 move[3]>='a' && move[3]<='x' ) {
4200 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4201 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4203 if(move[0]>='0' && move[0]<='9' &&
4204 move[1]>='a' && move[1]<='x' &&
4205 move[2]>='0' && move[2]<='9' &&
4206 move[3]>='a' && move[3]<='x' ) {
4207 /* input move, Shogi -> normal */
4208 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4209 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4210 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4211 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4214 move[3]>='0' && move[3]<='9' &&
4215 move[2]>='a' && move[2]<='x' ) {
4217 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4218 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4221 move[0]>='a' && move[0]<='x' &&
4222 move[3]>='0' && move[3]<='9' &&
4223 move[2]>='a' && move[2]<='x' ) {
4224 /* output move, normal -> Shogi */
4225 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4226 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4227 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4228 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4229 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4231 if (appData.debugMode) {
4232 fprintf(debugFP, " out = '%s'\n", move);
4236 /* Parser for moves from gnuchess, ICS, or user typein box */
4238 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4241 ChessMove *moveType;
4242 int *fromX, *fromY, *toX, *toY;
4245 if (appData.debugMode) {
4246 fprintf(debugFP, "move to parse: %s\n", move);
4248 *moveType = yylexstr(moveNum, move);
4250 switch (*moveType) {
4251 case WhitePromotionChancellor:
4252 case BlackPromotionChancellor:
4253 case WhitePromotionArchbishop:
4254 case BlackPromotionArchbishop:
4255 case WhitePromotionQueen:
4256 case BlackPromotionQueen:
4257 case WhitePromotionRook:
4258 case BlackPromotionRook:
4259 case WhitePromotionBishop:
4260 case BlackPromotionBishop:
4261 case WhitePromotionKnight:
4262 case BlackPromotionKnight:
4263 case WhitePromotionKing:
4264 case BlackPromotionKing:
4266 case WhiteCapturesEnPassant:
4267 case BlackCapturesEnPassant:
4268 case WhiteKingSideCastle:
4269 case WhiteQueenSideCastle:
4270 case BlackKingSideCastle:
4271 case BlackQueenSideCastle:
4272 case WhiteKingSideCastleWild:
4273 case WhiteQueenSideCastleWild:
4274 case BlackKingSideCastleWild:
4275 case BlackQueenSideCastleWild:
4276 /* Code added by Tord: */
4277 case WhiteHSideCastleFR:
4278 case WhiteASideCastleFR:
4279 case BlackHSideCastleFR:
4280 case BlackASideCastleFR:
4281 /* End of code added by Tord */
4282 case IllegalMove: /* bug or odd chess variant */
4283 *fromX = currentMoveString[0] - AAA;
4284 *fromY = currentMoveString[1] - ONE;
4285 *toX = currentMoveString[2] - AAA;
4286 *toY = currentMoveString[3] - ONE;
4287 *promoChar = currentMoveString[4];
4288 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4289 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4290 if (appData.debugMode) {
4291 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4293 *fromX = *fromY = *toX = *toY = 0;
4296 if (appData.testLegality) {
4297 return (*moveType != IllegalMove);
4299 return !(fromX == fromY && toX == toY);
4304 *fromX = *moveType == WhiteDrop ?
4305 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4306 (int) CharToPiece(ToLower(currentMoveString[0]));
4308 *toX = currentMoveString[2] - AAA;
4309 *toY = currentMoveString[3] - ONE;
4310 *promoChar = NULLCHAR;
4314 case ImpossibleMove:
4315 case (ChessMove) 0: /* end of file */
4324 if (appData.debugMode) {
4325 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4328 *fromX = *fromY = *toX = *toY = 0;
4329 *promoChar = NULLCHAR;
4334 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
4335 // All positions will have equal probability, but the current method will not provide a unique
4336 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
4342 int piecesLeft[(int)BlackPawn];
4343 int seed, nrOfShuffles;
4345 void GetPositionNumber()
4346 { // sets global variable seed
4349 seed = appData.defaultFrcPosition;
4350 if(seed < 0) { // randomize based on time for negative FRC position numbers
4351 for(i=0; i<50; i++) seed += random();
4352 seed = random() ^ random() >> 8 ^ random() << 8;
4353 if(seed<0) seed = -seed;
4357 int put(Board board, int pieceType, int rank, int n, int shade)
4358 // put the piece on the (n-1)-th empty squares of the given shade
4362 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
4363 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
4364 board[rank][i] = (ChessSquare) pieceType;
4365 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
4367 piecesLeft[pieceType]--;
4375 void AddOnePiece(Board board, int pieceType, int rank, int shade)
4376 // calculate where the next piece goes, (any empty square), and put it there
4380 i = seed % squaresLeft[shade];
4381 nrOfShuffles *= squaresLeft[shade];
4382 seed /= squaresLeft[shade];
4383 put(board, pieceType, rank, i, shade);
4386 void AddTwoPieces(Board board, int pieceType, int rank)
4387 // calculate where the next 2 identical pieces go, (any empty square), and put it there
4389 int i, n=squaresLeft[ANY], j=n-1, k;
4391 k = n*(n-1)/2; // nr of possibilities, not counting permutations
4392 i = seed % k; // pick one
4395 while(i >= j) i -= j--;
4396 j = n - 1 - j; i += j;
4397 put(board, pieceType, rank, j, ANY);
4398 put(board, pieceType, rank, i, ANY);
4401 void SetUpShuffle(Board board, int number)
4405 GetPositionNumber(); nrOfShuffles = 1;
4407 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
4408 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
4409 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
4411 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
4413 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
4414 p = (int) board[0][i];
4415 if(p < (int) BlackPawn) piecesLeft[p] ++;
4416 board[0][i] = EmptySquare;
4419 if(PosFlags(0) & F_ALL_CASTLE_OK) {
4420 // shuffles restricted to allow normal castling put KRR first
4421 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
4422 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
4423 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
4424 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
4425 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
4426 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
4427 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
4428 put(board, WhiteRook, 0, 0, ANY);
4429 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
4432 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
4433 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
4434 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
4435 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
4436 while(piecesLeft[p] >= 2) {
4437 AddOnePiece(board, p, 0, LITE);
4438 AddOnePiece(board, p, 0, DARK);
4440 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
4443 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
4444 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
4445 // but we leave King and Rooks for last, to possibly obey FRC restriction
4446 if(p == (int)WhiteRook) continue;
4447 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
4448 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
4451 // now everything is placed, except perhaps King (Unicorn) and Rooks
4453 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
4454 // Last King gets castling rights
4455 while(piecesLeft[(int)WhiteUnicorn]) {
4456 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4457 initialRights[2] = initialRights[5] = castlingRights[0][2] = castlingRights[0][5] = i;
4460 while(piecesLeft[(int)WhiteKing]) {
4461 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4462 initialRights[2] = initialRights[5] = castlingRights[0][2] = castlingRights[0][5] = i;
4467 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
4468 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
4471 // Only Rooks can be left; simply place them all
4472 while(piecesLeft[(int)WhiteRook]) {
4473 i = put(board, WhiteRook, 0, 0, ANY);
4474 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
4477 initialRights[1] = initialRights[4] = castlingRights[0][1] = castlingRights[0][4] = i;
4479 initialRights[0] = initialRights[3] = castlingRights[0][0] = castlingRights[0][3] = i;
4482 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
4483 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
4486 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
4489 int SetCharTable( char *table, const char * map )
4490 /* [HGM] moved here from winboard.c because of its general usefulness */
4491 /* Basically a safe strcpy that uses the last character as King */
4493 int result = FALSE; int NrPieces;
4495 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
4496 && NrPieces >= 12 && !(NrPieces&1)) {
4497 int i; /* [HGM] Accept even length from 12 to 34 */
4499 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
4500 for( i=0; i<NrPieces/2-1; i++ ) {
4502 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
4504 table[(int) WhiteKing] = map[NrPieces/2-1];
4505 table[(int) BlackKing] = map[NrPieces-1];
4513 void Prelude(Board board)
4514 { // [HGM] superchess: random selection of exo-pieces
4515 int i, j, k; ChessSquare p;
4516 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
4518 GetPositionNumber(); // use FRC position number
4520 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
4521 SetCharTable(pieceToChar, appData.pieceToCharTable);
4522 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
4523 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
4526 j = seed%4; seed /= 4;
4527 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
4528 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4529 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4530 j = seed%3 + (seed%3 >= j); seed /= 3;
4531 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
4532 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4533 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4534 j = seed%3; seed /= 3;
4535 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4536 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4537 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4538 j = seed%2 + (seed%2 >= j); seed /= 2;
4539 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4540 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4541 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4542 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
4543 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
4544 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
4545 put(board, exoPieces[0], 0, 0, ANY);
4546 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
4550 InitPosition(redraw)
4553 ChessSquare (* pieces)[BOARD_SIZE];
4554 int i, j, pawnRow, overrule,
4555 oldx = gameInfo.boardWidth,
4556 oldy = gameInfo.boardHeight,
4557 oldh = gameInfo.holdingsWidth,
4558 oldv = gameInfo.variant;
4560 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
4562 /* [AS] Initialize pv info list [HGM] and game status */
4564 for( i=0; i<MAX_MOVES; i++ ) {
4565 pvInfoList[i].depth = 0;
4566 epStatus[i]=EP_NONE;
4567 for( j=0; j<BOARD_SIZE; j++ ) castlingRights[i][j] = -1;
4570 initialRulePlies = 0; /* 50-move counter start */
4572 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
4573 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
4577 /* [HGM] logic here is completely changed. In stead of full positions */
4578 /* the initialized data only consist of the two backranks. The switch */
4579 /* selects which one we will use, which is than copied to the Board */
4580 /* initialPosition, which for the rest is initialized by Pawns and */
4581 /* empty squares. This initial position is then copied to boards[0], */
4582 /* possibly after shuffling, so that it remains available. */
4584 gameInfo.holdingsWidth = 0; /* default board sizes */
4585 gameInfo.boardWidth = 8;
4586 gameInfo.boardHeight = 8;
4587 gameInfo.holdingsSize = 0;
4588 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
4589 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1; /* but no rights yet */
4590 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
4592 switch (gameInfo.variant) {
4593 case VariantFischeRandom:
4594 shuffleOpenings = TRUE;
4598 case VariantShatranj:
4599 pieces = ShatranjArray;
4600 nrCastlingRights = 0;
4601 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
4603 case VariantTwoKings:
4604 pieces = twoKingsArray;
4606 case VariantCapaRandom:
4607 shuffleOpenings = TRUE;
4608 case VariantCapablanca:
4609 pieces = CapablancaArray;
4610 gameInfo.boardWidth = 10;
4611 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
4614 pieces = GothicArray;
4615 gameInfo.boardWidth = 10;
4616 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
4619 pieces = JanusArray;
4620 gameInfo.boardWidth = 10;
4621 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
4622 nrCastlingRights = 6;
4623 castlingRights[0][0] = initialRights[0] = BOARD_RGHT-1;
4624 castlingRights[0][1] = initialRights[1] = BOARD_LEFT;
4625 castlingRights[0][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
4626 castlingRights[0][3] = initialRights[3] = BOARD_RGHT-1;
4627 castlingRights[0][4] = initialRights[4] = BOARD_LEFT;
4628 castlingRights[0][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
4631 pieces = FalconArray;
4632 gameInfo.boardWidth = 10;
4633 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
4635 case VariantXiangqi:
4636 pieces = XiangqiArray;
4637 gameInfo.boardWidth = 9;
4638 gameInfo.boardHeight = 10;
4639 nrCastlingRights = 0;
4640 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
4643 pieces = ShogiArray;
4644 gameInfo.boardWidth = 9;
4645 gameInfo.boardHeight = 9;
4646 gameInfo.holdingsSize = 7;
4647 nrCastlingRights = 0;
4648 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
4650 case VariantCourier:
4651 pieces = CourierArray;
4652 gameInfo.boardWidth = 12;
4653 nrCastlingRights = 0;
4654 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
4655 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1;
4657 case VariantKnightmate:
4658 pieces = KnightmateArray;
4659 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
4662 pieces = fairyArray;
4663 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVSLUKpnbrqfeacwmohijgdvsluk");
4666 pieces = GreatArray;
4667 gameInfo.boardWidth = 10;
4668 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
4669 gameInfo.holdingsSize = 8;
4673 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
4674 gameInfo.holdingsSize = 8;
4675 startedFromSetupPosition = TRUE;
4677 case VariantCrazyhouse:
4678 case VariantBughouse:
4680 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
4681 gameInfo.holdingsSize = 5;
4683 case VariantWildCastle:
4685 /* !!?shuffle with kings guaranteed to be on d or e file */
4686 shuffleOpenings = 1;
4688 case VariantNoCastle:
4690 nrCastlingRights = 0;
4691 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1;
4692 /* !!?unconstrained back-rank shuffle */
4693 shuffleOpenings = 1;
4698 if(appData.NrFiles >= 0) {
4699 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
4700 gameInfo.boardWidth = appData.NrFiles;
4702 if(appData.NrRanks >= 0) {
4703 gameInfo.boardHeight = appData.NrRanks;
4705 if(appData.holdingsSize >= 0) {
4706 i = appData.holdingsSize;
4707 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
4708 gameInfo.holdingsSize = i;
4710 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
4711 if(BOARD_HEIGHT > BOARD_SIZE || BOARD_WIDTH > BOARD_SIZE)
4712 DisplayFatalError(_("Recompile to support this BOARD_SIZE!"), 0, 2);
4714 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
4715 if(pawnRow < 1) pawnRow = 1;
4717 /* User pieceToChar list overrules defaults */
4718 if(appData.pieceToCharTable != NULL)
4719 SetCharTable(pieceToChar, appData.pieceToCharTable);
4721 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
4723 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
4724 s = (ChessSquare) 0; /* account holding counts in guard band */
4725 for( i=0; i<BOARD_HEIGHT; i++ )
4726 initialPosition[i][j] = s;
4728 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
4729 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
4730 initialPosition[pawnRow][j] = WhitePawn;
4731 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
4732 if(gameInfo.variant == VariantXiangqi) {
4734 initialPosition[pawnRow][j] =
4735 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
4736 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
4737 initialPosition[2][j] = WhiteCannon;
4738 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
4742 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
4744 if( (gameInfo.variant == VariantShogi) && !overrule ) {
4747 initialPosition[1][j] = WhiteBishop;
4748 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
4750 initialPosition[1][j] = WhiteRook;
4751 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
4754 if( nrCastlingRights == -1) {
4755 /* [HGM] Build normal castling rights (must be done after board sizing!) */
4756 /* This sets default castling rights from none to normal corners */
4757 /* Variants with other castling rights must set them themselves above */
4758 nrCastlingRights = 6;
4760 castlingRights[0][0] = initialRights[0] = BOARD_RGHT-1;
4761 castlingRights[0][1] = initialRights[1] = BOARD_LEFT;
4762 castlingRights[0][2] = initialRights[2] = BOARD_WIDTH>>1;
4763 castlingRights[0][3] = initialRights[3] = BOARD_RGHT-1;
4764 castlingRights[0][4] = initialRights[4] = BOARD_LEFT;
4765 castlingRights[0][5] = initialRights[5] = BOARD_WIDTH>>1;
4768 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
4769 if(gameInfo.variant == VariantGreat) { // promotion commoners
4770 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
4771 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
4772 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
4773 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
4776 if(gameInfo.variant == VariantFischeRandom) {
4777 if( appData.defaultFrcPosition < 0 ) {
4778 ShuffleFRC( initialPosition );
4781 SetupFRC( initialPosition, appData.defaultFrcPosition );
4783 startedFromSetupPosition = TRUE;
4786 if (appData.debugMode) {
4787 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
4789 if(shuffleOpenings) {
4790 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
4791 startedFromSetupPosition = TRUE;
4794 if(startedFromPositionFile) {
4795 /* [HGM] loadPos: use PositionFile for every new game */
4796 CopyBoard(initialPosition, filePosition);
4797 for(i=0; i<nrCastlingRights; i++)
4798 castlingRights[0][i] = initialRights[i] = fileRights[i];
4799 startedFromSetupPosition = TRUE;
4802 CopyBoard(boards[0], initialPosition);
4804 if(oldx != gameInfo.boardWidth ||
4805 oldy != gameInfo.boardHeight ||
4806 oldh != gameInfo.holdingsWidth
4808 || oldv == VariantGothic || // For licensing popups
4809 gameInfo.variant == VariantGothic
4812 || oldv == VariantFalcon ||
4813 gameInfo.variant == VariantFalcon
4816 InitDrawingSizes(-2 ,0);
4819 DrawPosition(TRUE, boards[currentMove]);
4823 SendBoard(cps, moveNum)
4824 ChessProgramState *cps;
4827 char message[MSG_SIZ];
4829 if (cps->useSetboard) {
4830 char* fen = PositionToFEN(moveNum, cps->fenOverride);
4831 sprintf(message, "setboard %s\n", fen);
4832 SendToProgram(message, cps);
4838 /* Kludge to set black to move, avoiding the troublesome and now
4839 * deprecated "black" command.
4841 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
4843 SendToProgram("edit\n", cps);
4844 SendToProgram("#\n", cps);
4845 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
4846 bp = &boards[moveNum][i][BOARD_LEFT];
4847 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
4848 if ((int) *bp < (int) BlackPawn) {
4849 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
4851 if(message[0] == '+' || message[0] == '~') {
4852 sprintf(message, "%c%c%c+\n",
4853 PieceToChar((ChessSquare)(DEMOTED *bp)),
4856 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
4857 message[1] = BOARD_RGHT - 1 - j + '1';
4858 message[2] = BOARD_HEIGHT - 1 - i + 'a';
4860 SendToProgram(message, cps);
4865 SendToProgram("c\n", cps);
4866 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
4867 bp = &boards[moveNum][i][BOARD_LEFT];
4868 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
4869 if (((int) *bp != (int) EmptySquare)
4870 && ((int) *bp >= (int) BlackPawn)) {
4871 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
4873 if(message[0] == '+' || message[0] == '~') {
4874 sprintf(message, "%c%c%c+\n",
4875 PieceToChar((ChessSquare)(DEMOTED *bp)),
4878 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
4879 message[1] = BOARD_RGHT - 1 - j + '1';
4880 message[2] = BOARD_HEIGHT - 1 - i + 'a';
4882 SendToProgram(message, cps);
4887 SendToProgram(".\n", cps);
4889 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
4893 IsPromotion(fromX, fromY, toX, toY)
4894 int fromX, fromY, toX, toY;
4896 /* [HGM] add Shogi promotions */
4897 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
4900 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi ||
4901 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) return FALSE;
4902 /* [HGM] Note to self: line above also weeds out drops */
4903 piece = boards[currentMove][fromY][fromX];
4904 if(gameInfo.variant == VariantShogi) {
4905 promotionZoneSize = 3;
4906 highestPromotingPiece = (int)WhiteKing;
4907 /* [HGM] Should be Silver = Ferz, really, but legality testing is off,
4908 and if in normal chess we then allow promotion to King, why not
4909 allow promotion of other piece in Shogi? */
4911 if((int)piece >= BlackPawn) {
4912 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
4914 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
4916 if( toY < BOARD_HEIGHT - promotionZoneSize &&
4917 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
4919 return ( (int)piece <= highestPromotingPiece );
4923 InPalace(row, column)
4925 { /* [HGM] for Xiangqi */
4926 if( (row < 3 || row > BOARD_HEIGHT-4) &&
4927 column < (BOARD_WIDTH + 4)/2 &&
4928 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
4933 PieceForSquare (x, y)
4937 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
4940 return boards[currentMove][y][x];
4944 OKToStartUserMove(x, y)
4947 ChessSquare from_piece;
4950 if (matchMode) return FALSE;
4951 if (gameMode == EditPosition) return TRUE;
4953 if (x >= 0 && y >= 0)
4954 from_piece = boards[currentMove][y][x];
4956 from_piece = EmptySquare;
4958 if (from_piece == EmptySquare) return FALSE;
4960 white_piece = (int)from_piece >= (int)WhitePawn &&
4961 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
4964 case PlayFromGameFile:
4966 case TwoMachinesPlay:
4974 case MachinePlaysWhite:
4975 case IcsPlayingBlack:
4976 if (appData.zippyPlay) return FALSE;
4978 DisplayMoveError(_("You are playing Black"));
4983 case MachinePlaysBlack:
4984 case IcsPlayingWhite:
4985 if (appData.zippyPlay) return FALSE;
4987 DisplayMoveError(_("You are playing White"));
4993 if (!white_piece && WhiteOnMove(currentMove)) {
4994 DisplayMoveError(_("It is White's turn"));
4997 if (white_piece && !WhiteOnMove(currentMove)) {
4998 DisplayMoveError(_("It is Black's turn"));
5001 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5002 /* Editing correspondence game history */
5003 /* Could disallow this or prompt for confirmation */
5006 if (currentMove < forwardMostMove) {
5007 /* Discarding moves */
5008 /* Could prompt for confirmation here,
5009 but I don't think that's such a good idea */
5010 forwardMostMove = currentMove;
5014 case BeginningOfGame:
5015 if (appData.icsActive) return FALSE;
5016 if (!appData.noChessProgram) {
5018 DisplayMoveError(_("You are playing White"));
5025 if (!white_piece && WhiteOnMove(currentMove)) {
5026 DisplayMoveError(_("It is White's turn"));
5029 if (white_piece && !WhiteOnMove(currentMove)) {
5030 DisplayMoveError(_("It is Black's turn"));
5039 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5040 && gameMode != AnalyzeFile && gameMode != Training) {
5041 DisplayMoveError(_("Displayed position is not current"));
5047 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5048 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5049 int lastLoadGameUseList = FALSE;
5050 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5051 ChessMove lastLoadGameStart = (ChessMove) 0;
5055 UserMoveTest(fromX, fromY, toX, toY, promoChar)
5056 int fromX, fromY, toX, toY;
5060 ChessSquare pdown, pup;
5062 if (fromX < 0 || fromY < 0) return ImpossibleMove;
5063 if ((fromX == toX) && (fromY == toY)) {
5064 return ImpossibleMove;
5067 /* [HGM] suppress all moves into holdings area and guard band */
5068 if( toX < BOARD_LEFT || toX >= BOARD_RGHT || toY < 0 )
5069 return ImpossibleMove;
5071 /* [HGM] <sameColor> moved to here from winboard.c */
5072 /* note: this code seems to exist for filtering out some obviously illegal premoves */
5073 pdown = boards[currentMove][fromY][fromX];
5074 pup = boards[currentMove][toY][toX];
5075 if ( gameMode != EditPosition &&
5076 (WhitePawn <= pdown && pdown < BlackPawn &&
5077 WhitePawn <= pup && pup < BlackPawn ||
5078 BlackPawn <= pdown && pdown < EmptySquare &&
5079 BlackPawn <= pup && pup < EmptySquare
5080 ) && !((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
5081 (pup == WhiteRook && pdown == WhiteKing && fromY == 0 && toY == 0||
5082 pup == BlackRook && pdown == BlackKing && fromY == BOARD_HEIGHT-1 && toY == BOARD_HEIGHT-1 )
5084 return ImpossibleMove;
5086 /* Check if the user is playing in turn. This is complicated because we
5087 let the user "pick up" a piece before it is his turn. So the piece he
5088 tried to pick up may have been captured by the time he puts it down!
5089 Therefore we use the color the user is supposed to be playing in this
5090 test, not the color of the piece that is currently on the starting
5091 square---except in EditGame mode, where the user is playing both
5092 sides; fortunately there the capture race can't happen. (It can
5093 now happen in IcsExamining mode, but that's just too bad. The user
5094 will get a somewhat confusing message in that case.)
5098 case PlayFromGameFile:
5100 case TwoMachinesPlay:
5104 /* We switched into a game mode where moves are not accepted,
5105 perhaps while the mouse button was down. */
5106 return ImpossibleMove;
5108 case MachinePlaysWhite:
5109 /* User is moving for Black */
5110 if (WhiteOnMove(currentMove)) {
5111 DisplayMoveError(_("It is White's turn"));
5112 return ImpossibleMove;
5116 case MachinePlaysBlack:
5117 /* User is moving for White */
5118 if (!WhiteOnMove(currentMove)) {
5119 DisplayMoveError(_("It is Black's turn"));
5120 return ImpossibleMove;
5126 case BeginningOfGame:
5129 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5130 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5131 /* User is moving for Black */
5132 if (WhiteOnMove(currentMove)) {
5133 DisplayMoveError(_("It is White's turn"));
5134 return ImpossibleMove;
5137 /* User is moving for White */
5138 if (!WhiteOnMove(currentMove)) {
5139 DisplayMoveError(_("It is Black's turn"));
5140 return ImpossibleMove;
5145 case IcsPlayingBlack:
5146 /* User is moving for Black */
5147 if (WhiteOnMove(currentMove)) {
5148 if (!appData.premove) {
5149 DisplayMoveError(_("It is White's turn"));
5150 } else if (toX >= 0 && toY >= 0) {
5153 premoveFromX = fromX;
5154 premoveFromY = fromY;
5155 premovePromoChar = promoChar;
5157 if (appData.debugMode)
5158 fprintf(debugFP, "Got premove: fromX %d,"
5159 "fromY %d, toX %d, toY %d\n",
5160 fromX, fromY, toX, toY);
5161 if(!WhiteOnMove(currentMove) && gotPremove == 1) {
5162 // [HGM] race: we must have been hit by an opponent move from the ICS while preparing the premove
5163 if (appData.debugMode)
5164 fprintf(debugFP, "Execute as normal move\n");
5165 gotPremove = 0; break;
5168 return ImpossibleMove;
5172 case IcsPlayingWhite:
5173 /* User is moving for White */
5174 if (!WhiteOnMove(currentMove)) {
5175 if (!appData.premove) {
5176 DisplayMoveError(_("It is Black's turn"));
5177 } else if (toX >= 0 && toY >= 0) {
5180 premoveFromX = fromX;
5181 premoveFromY = fromY;
5182 premovePromoChar = promoChar;
5184 if (appData.debugMode)
5185 fprintf(debugFP, "Got premove: fromX %d,"
5186 "fromY %d, toX %d, toY %d\n",
5187 fromX, fromY, toX, toY);
5188 if(WhiteOnMove(currentMove) && gotPremove == 1) {
5189 // [HGM] race: we must have been hit by an opponent move from the ICS while preparing the premove
5190 if (appData.debugMode)
5191 fprintf(debugFP, "Execute as normal move\n");
5192 gotPremove = 0; break;
5195 return ImpossibleMove;
5203 /* EditPosition, empty square, or different color piece;
5204 click-click move is possible */
5205 if (toX == -2 || toY == -2) {
5206 boards[0][fromY][fromX] = EmptySquare;
5207 return AmbiguousMove;
5208 } else if (toX >= 0 && toY >= 0) {
5209 boards[0][toY][toX] = boards[0][fromY][fromX];
5210 boards[0][fromY][fromX] = EmptySquare;
5211 return AmbiguousMove;
5213 return ImpossibleMove;
5216 /* [HGM] If move started in holdings, it means a drop */
5217 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5218 if( pup != EmptySquare ) return ImpossibleMove;
5219 if(appData.testLegality) {
5220 /* it would be more logical if LegalityTest() also figured out
5221 * which drops are legal. For now we forbid pawns on back rank.
5222 * Shogi is on its own here...
5224 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5225 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5226 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5228 return WhiteDrop; /* Not needed to specify white or black yet */
5231 userOfferedDraw = FALSE;
5233 /* [HGM] always test for legality, to get promotion info */
5234 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5235 epStatus[currentMove], castlingRights[currentMove],
5236 fromY, fromX, toY, toX, promoChar);
5238 /* [HGM] but possibly ignore an IllegalMove result */
5239 if (appData.testLegality) {
5240 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5241 DisplayMoveError(_("Illegal move"));
5242 return ImpossibleMove;
5245 if(appData.debugMode) fprintf(debugFP, "moveType 3 = %d, promochar = %x\n", moveType, promoChar);
5247 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
5248 function is made into one that returns an OK move type if FinishMove
5249 should be called. This to give the calling driver routine the
5250 opportunity to finish the userMove input with a promotion popup,
5251 without bothering the user with this for invalid or illegal moves */
5253 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
5256 /* Common tail of UserMoveEvent and DropMenuEvent */
5258 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
5260 int fromX, fromY, toX, toY;
5261 /*char*/int promoChar;
5264 if(appData.debugMode) fprintf(debugFP, "moveType 5 = %d, promochar = %x\n", moveType, promoChar);
5265 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
5266 // [HGM] superchess: suppress promotions to non-available piece
5267 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
5268 if(WhiteOnMove(currentMove)) {
5269 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
5271 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
5275 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5276 move type in caller when we know the move is a legal promotion */
5277 if(moveType == NormalMove && promoChar)
5278 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5279 if(appData.debugMode) fprintf(debugFP, "moveType 1 = %d, promochar = %x\n", moveType, promoChar);
5280 /* [HGM] convert drag-and-drop piece drops to standard form */
5281 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5282 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5283 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5284 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5285 // fromX = boards[currentMove][fromY][fromX];
5286 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5287 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
5288 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
5289 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
5293 /* [HGM] <popupFix> The following if has been moved here from
5294 UserMoveEvent(). Because it seemed to belon here (why not allow
5295 piece drops in training games?), and because it can only be
5296 performed after it is known to what we promote. */
5297 if (gameMode == Training) {
5298 /* compare the move played on the board to the next move in the
5299 * game. If they match, display the move and the opponent's response.
5300 * If they don't match, display an error message.
5303 Board testBoard; char testRights[BOARD_SIZE]; char testStatus;
5304 CopyBoard(testBoard, boards[currentMove]);
5305 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard, testRights, &testStatus);
5307 if (CompareBoards(testBoard, boards[currentMove+1])) {
5308 ForwardInner(currentMove+1);
5310 /* Autoplay the opponent's response.
5311 * if appData.animate was TRUE when Training mode was entered,
5312 * the response will be animated.
5314 saveAnimate = appData.animate;
5315 appData.animate = animateTraining;
5316 ForwardInner(currentMove+1);
5317 appData.animate = saveAnimate;
5319 /* check for the end of the game */
5320 if (currentMove >= forwardMostMove) {
5321 gameMode = PlayFromGameFile;
5323 SetTrainingModeOff();
5324 DisplayInformation(_("End of game"));
5327 DisplayError(_("Incorrect move"), 0);
5332 /* Ok, now we know that the move is good, so we can kill
5333 the previous line in Analysis Mode */
5334 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5335 forwardMostMove = currentMove;
5338 /* If we need the chess program but it's dead, restart it */
5339 ResurrectChessProgram();
5341 /* A user move restarts a paused game*/
5345 thinkOutput[0] = NULLCHAR;
5347 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
5349 if (gameMode == BeginningOfGame) {
5350 if (appData.noChessProgram) {
5351 gameMode = EditGame;
5355 gameMode = MachinePlaysBlack;
5358 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
5360 if (first.sendName) {
5361 sprintf(buf, "name %s\n", gameInfo.white);
5362 SendToProgram(buf, &first);
5368 if(appData.debugMode) fprintf(debugFP, "moveType 2 = %d, promochar = %x\n", moveType, promoChar);
5369 /* Relay move to ICS or chess engine */
5370 if (appData.icsActive) {
5371 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
5372 gameMode == IcsExamining) {
5373 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5377 if (first.sendTime && (gameMode == BeginningOfGame ||
5378 gameMode == MachinePlaysWhite ||
5379 gameMode == MachinePlaysBlack)) {
5380 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
5382 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
5383 // [HGM] book: if program might be playing, let it use book
5384 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
5385 first.maybeThinking = TRUE;
5386 } else SendMoveToProgram(forwardMostMove-1, &first);
5387 if (currentMove == cmailOldMove + 1) {
5388 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
5392 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5396 switch (MateTest(boards[currentMove], PosFlags(currentMove),
5397 EP_UNKNOWN, castlingRights[currentMove]) ) {
5403 if (WhiteOnMove(currentMove)) {
5404 GameEnds(BlackWins, "Black mates", GE_PLAYER);
5406 GameEnds(WhiteWins, "White mates", GE_PLAYER);
5410 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
5415 case MachinePlaysBlack:
5416 case MachinePlaysWhite:
5417 /* disable certain menu options while machine is thinking */
5418 SetMachineThinkingEnables();
5425 if(bookHit) { // [HGM] book: simulate book reply
5426 static char bookMove[MSG_SIZ]; // a bit generous?
5428 programStats.nodes = programStats.depth = programStats.time =
5429 programStats.score = programStats.got_only_move = 0;
5430 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5432 strcpy(bookMove, "move ");
5433 strcat(bookMove, bookHit);
5434 HandleMachineMove(bookMove, &first);
5440 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5441 int fromX, fromY, toX, toY;
5444 /* [HGM] This routine was added to allow calling of its two logical
5445 parts from other modules in the old way. Before, UserMoveEvent()
5446 automatically called FinishMove() if the move was OK, and returned
5447 otherwise. I separated the two, in order to make it possible to
5448 slip a promotion popup in between. But that it always needs two
5449 calls, to the first part, (now called UserMoveTest() ), and to
5450 FinishMove if the first part succeeded. Calls that do not need
5451 to do anything in between, can call this routine the old way.
5453 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar);
5454 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
5455 if(moveType == AmbiguousMove)
5456 DrawPosition(FALSE, boards[currentMove]);
5457 else if(moveType != ImpossibleMove)
5458 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
5461 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
5463 // char * hint = lastHint;
5464 FrontEndProgramStats stats;
5466 stats.which = cps == &first ? 0 : 1;
5467 stats.depth = cpstats->depth;
5468 stats.nodes = cpstats->nodes;
5469 stats.score = cpstats->score;
5470 stats.time = cpstats->time;
5471 stats.pv = cpstats->movelist;
5472 stats.hint = lastHint;
5473 stats.an_move_index = 0;
5474 stats.an_move_count = 0;
5476 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
5477 stats.hint = cpstats->move_name;
5478 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
5479 stats.an_move_count = cpstats->nr_moves;
5482 SetProgramStats( &stats );
5485 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
5486 { // [HGM] book: this routine intercepts moves to simulate book replies
5487 char *bookHit = NULL;
5489 //first determine if the incoming move brings opponent into his book
5490 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
5491 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
5492 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
5493 if(bookHit != NULL && !cps->bookSuspend) {
5494 // make sure opponent is not going to reply after receiving move to book position
5495 SendToProgram("force\n", cps);
5496 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
5498 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
5499 // now arrange restart after book miss
5501 // after a book hit we never send 'go', and the code after the call to this routine
5502 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
5504 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
5505 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
5506 SendToProgram(buf, cps);
5507 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
5508 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
5509 SendToProgram("go\n", cps);
5510 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
5511 } else { // 'go' might be sent based on 'firstMove' after this routine returns
5512 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
5513 SendToProgram("go\n", cps);
5514 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
5516 return bookHit; // notify caller of hit, so it can take action to send move to opponent
5520 ChessProgramState *savedState;
5521 void DeferredBookMove(void)
5523 if(savedState->lastPing != savedState->lastPong)
5524 ScheduleDelayedEvent(DeferredBookMove, 10);
5526 HandleMachineMove(savedMessage, savedState);
5530 HandleMachineMove(message, cps)
5532 ChessProgramState *cps;
5534 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
5535 char realname[MSG_SIZ];
5536 int fromX, fromY, toX, toY;
5543 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
5545 * Kludge to ignore BEL characters
5547 while (*message == '\007') message++;
5550 * [HGM] engine debug message: ignore lines starting with '#' character
5552 if(cps->debug && *message == '#') return;
5555 * Look for book output
5557 if (cps == &first && bookRequested) {
5558 if (message[0] == '\t' || message[0] == ' ') {
5559 /* Part of the book output is here; append it */
5560 strcat(bookOutput, message);
5561 strcat(bookOutput, " \n");
5563 } else if (bookOutput[0] != NULLCHAR) {
5564 /* All of book output has arrived; display it */
5565 char *p = bookOutput;
5566 while (*p != NULLCHAR) {
5567 if (*p == '\t') *p = ' ';
5570 DisplayInformation(bookOutput);
5571 bookRequested = FALSE;
5572 /* Fall through to parse the current output */
5577 * Look for machine move.
5579 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
5580 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
5582 /* This method is only useful on engines that support ping */
5583 if (cps->lastPing != cps->lastPong) {
5584 if (gameMode == BeginningOfGame) {
5585 /* Extra move from before last new; ignore */
5586 if (appData.debugMode) {
5587 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
5590 if (appData.debugMode) {
5591 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
5592 cps->which, gameMode);
5595 SendToProgram("undo\n", cps);
5601 case BeginningOfGame:
5602 /* Extra move from before last reset; ignore */
5603 if (appData.debugMode) {
5604 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
5611 /* Extra move after we tried to stop. The mode test is
5612 not a reliable way of detecting this problem, but it's
5613 the best we can do on engines that don't support ping.
5615 if (appData.debugMode) {
5616 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
5617 cps->which, gameMode);
5619 SendToProgram("undo\n", cps);
5622 case MachinePlaysWhite:
5623 case IcsPlayingWhite:
5624 machineWhite = TRUE;
5627 case MachinePlaysBlack:
5628 case IcsPlayingBlack:
5629 machineWhite = FALSE;
5632 case TwoMachinesPlay:
5633 machineWhite = (cps->twoMachinesColor[0] == 'w');
5636 if (WhiteOnMove(forwardMostMove) != machineWhite) {
5637 if (appData.debugMode) {
5639 "Ignoring move out of turn by %s, gameMode %d"
5640 ", forwardMost %d\n",
5641 cps->which, gameMode, forwardMostMove);
5646 if (appData.debugMode) { int f = forwardMostMove;
5647 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
5648 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
5650 if(cps->alphaRank) AlphaRank(machineMove, 4);
5651 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
5652 &fromX, &fromY, &toX, &toY, &promoChar)) {
5653 /* Machine move could not be parsed; ignore it. */
5654 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
5655 machineMove, cps->which);
5656 DisplayError(buf1, 0);
5657 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
5658 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
5659 if (gameMode == TwoMachinesPlay) {
5660 GameEnds(machineWhite ? BlackWins : WhiteWins,
5666 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
5667 /* So we have to redo legality test with true e.p. status here, */
5668 /* to make sure an illegal e.p. capture does not slip through, */
5669 /* to cause a forfeit on a justified illegal-move complaint */
5670 /* of the opponent. */
5671 if( gameMode==TwoMachinesPlay && appData.testLegality
5672 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
5675 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
5676 epStatus[forwardMostMove], castlingRights[forwardMostMove],
5677 fromY, fromX, toY, toX, promoChar);
5678 if (appData.debugMode) {
5680 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
5681 castlingRights[forwardMostMove][i], castlingRank[i]);
5682 fprintf(debugFP, "castling rights\n");
5684 if(moveType == IllegalMove) {
5685 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
5686 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
5687 GameEnds(machineWhite ? BlackWins : WhiteWins,
5690 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
5691 /* [HGM] Kludge to handle engines that send FRC-style castling
5692 when they shouldn't (like TSCP-Gothic) */
5694 case WhiteASideCastleFR:
5695 case BlackASideCastleFR:
5697 currentMoveString[2]++;
5699 case WhiteHSideCastleFR:
5700 case BlackHSideCastleFR:
5702 currentMoveString[2]--;
5704 default: ; // nothing to do, but suppresses warning of pedantic compilers
5707 hintRequested = FALSE;
5708 lastHint[0] = NULLCHAR;
5709 bookRequested = FALSE;
5710 /* Program may be pondering now */
5711 cps->maybeThinking = TRUE;
5712 if (cps->sendTime == 2) cps->sendTime = 1;
5713 if (cps->offeredDraw) cps->offeredDraw--;
5716 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
5718 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5720 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
5721 char buf[3*MSG_SIZ];
5723 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
5724 programStats.score / 100.,
5726 programStats.time / 100.,
5727 (unsigned int)programStats.nodes,
5728 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
5729 programStats.movelist);
5731 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
5735 /* currentMoveString is set as a side-effect of ParseOneMove */
5736 strcpy(machineMove, currentMoveString);
5737 strcat(machineMove, "\n");
5738 strcpy(moveList[forwardMostMove], machineMove);
5740 /* [AS] Save move info and clear stats for next move */
5741 pvInfoList[ forwardMostMove ].score = programStats.score;
5742 pvInfoList[ forwardMostMove ].depth = programStats.depth;
5743 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
5744 ClearProgramStats();
5745 thinkOutput[0] = NULLCHAR;
5746 hiddenThinkOutputState = 0;
5748 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
5750 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
5751 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
5754 while( count < adjudicateLossPlies ) {
5755 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
5758 score = -score; /* Flip score for winning side */
5761 if( score > adjudicateLossThreshold ) {
5768 if( count >= adjudicateLossPlies ) {
5769 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5771 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
5772 "Xboard adjudication",
5779 if( gameMode == TwoMachinesPlay ) {
5780 // [HGM] some adjudications useful with buggy engines
5781 int k, count = 0, epFile = epStatus[forwardMostMove]; static int bare = 1;
5782 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
5785 if( appData.testLegality )
5786 { /* [HGM] Some more adjudications for obstinate engines */
5787 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
5788 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
5789 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
5790 static int moveCount = 6;
5792 char *reason = NULL;
5794 /* Count what is on board. */
5795 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
5796 { ChessSquare p = boards[forwardMostMove][i][j];
5800 { /* count B,N,R and other of each side */
5803 NrK++; break; // [HGM] atomic: count Kings
5807 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
5808 bishopsColor |= 1 << ((i^j)&1);
5813 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
5814 bishopsColor |= 1 << ((i^j)&1);
5829 PawnAdvance += m; NrPawns++;
5831 NrPieces += (p != EmptySquare);
5832 NrW += ((int)p < (int)BlackPawn);
5833 if(gameInfo.variant == VariantXiangqi &&
5834 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
5835 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
5836 NrW -= ((int)p < (int)BlackPawn);
5840 /* Some material-based adjudications that have to be made before stalemate test */
5841 if(gameInfo.variant == VariantAtomic && NrK < 2) {
5842 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
5843 epStatus[forwardMostMove] = EP_CHECKMATE; // make claimable as if stm is checkmated
5844 if(appData.checkMates) {
5845 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move
5846 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5847 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
5848 "Xboard adjudication: King destroyed", GE_XBOARD );
5853 /* Bare King in Shatranj (loses) or Losers (wins) */
5854 if( NrW == 1 || NrPieces - NrW == 1) {
5855 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
5856 epStatus[forwardMostMove] = EP_WINS; // mark as win, so it becomes claimable
5857 if(appData.checkMates) {
5858 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets to see move
5859 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5860 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
5861 "Xboard adjudication: Bare king", GE_XBOARD );
5865 if( gameInfo.variant == VariantShatranj && --bare < 0)
5867 epStatus[forwardMostMove] = EP_WINS; // make claimable as win for stm
5868 if(appData.checkMates) {
5869 /* but only adjudicate if adjudication enabled */
5870 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move
5871 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5872 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
5873 "Xboard adjudication: Bare king", GE_XBOARD );
5880 // don't wait for engine to announce game end if we can judge ourselves
5881 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove), epFile,
5882 castlingRights[forwardMostMove]) ) {
5884 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
5885 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
5886 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
5887 if(MateTest(boards[i], PosFlags(i), epStatus[i], castlingRights[i]) == MT_CHECK)
5890 reason = "Xboard adjudication: 3rd check";
5891 epStatus[forwardMostMove] = EP_CHECKMATE;
5901 reason = "Xboard adjudication: Stalemate";
5902 if(epStatus[forwardMostMove] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
5903 epStatus[forwardMostMove] = EP_STALEMATE; // default result for stalemate is draw
5904 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
5905 epStatus[forwardMostMove] = EP_WINS; // in these variants stalemated is always a win
5906 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
5907 epStatus[forwardMostMove] = NrW == NrPieces-NrW ? EP_STALEMATE :
5908 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
5909 EP_CHECKMATE : EP_WINS);
5910 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
5911 epStatus[forwardMostMove] = EP_CHECKMATE; // and in these variants being stalemated loses
5915 reason = "Xboard adjudication: Checkmate";
5916 epStatus[forwardMostMove] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
5920 switch(i = epStatus[forwardMostMove]) {
5922 result = GameIsDrawn; break;
5924 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
5926 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
5928 result = (ChessMove) 0;
5930 if(appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
5931 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
5932 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5933 GameEnds( result, reason, GE_XBOARD );
5937 /* Next absolutely insufficient mating material. */
5938 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
5939 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
5940 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
5941 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
5942 { /* KBK, KNK, KK of KBKB with like Bishops */
5944 /* always flag draws, for judging claims */
5945 epStatus[forwardMostMove] = EP_INSUF_DRAW;
5947 if(appData.materialDraws) {
5948 /* but only adjudicate them if adjudication enabled */
5949 SendToProgram("force\n", cps->other); // suppress reply
5950 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see last move */
5951 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5952 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
5957 /* Then some trivial draws (only adjudicate, cannot be claimed) */
5959 ( NrWR == 1 && NrBR == 1 /* KRKR */
5960 || NrWQ==1 && NrBQ==1 /* KQKQ */
5961 || NrWN==2 || NrBN==2 /* KNNK */
5962 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
5964 if(--moveCount < 0 && appData.trivialDraws)
5965 { /* if the first 3 moves do not show a tactical win, declare draw */
5966 SendToProgram("force\n", cps->other); // suppress reply
5967 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
5968 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5969 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
5972 } else moveCount = 6;
5976 if (appData.debugMode) { int i;
5977 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
5978 forwardMostMove, backwardMostMove, epStatus[backwardMostMove],
5979 appData.drawRepeats);
5980 for( i=forwardMostMove; i>=backwardMostMove; i-- )
5981 fprintf(debugFP, "%d ep=%d\n", i, epStatus[i]);
5985 /* Check for rep-draws */
5987 for(k = forwardMostMove-2;
5988 k>=backwardMostMove && k>=forwardMostMove-100 &&
5989 epStatus[k] < EP_UNKNOWN &&
5990 epStatus[k+2] <= EP_NONE && epStatus[k+1] <= EP_NONE;
5994 if (appData.debugMode) {
5995 fprintf(debugFP, " loop\n");
5998 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6000 if (appData.debugMode) {
6001 fprintf(debugFP, "match\n");
6004 /* compare castling rights */
6005 if( castlingRights[forwardMostMove][2] != castlingRights[k][2] &&
6006 (castlingRights[k][0] >= 0 || castlingRights[k][1] >= 0) )
6007 rights++; /* King lost rights, while rook still had them */
6008 if( castlingRights[forwardMostMove][2] >= 0 ) { /* king has rights */
6009 if( castlingRights[forwardMostMove][0] != castlingRights[k][0] ||
6010 castlingRights[forwardMostMove][1] != castlingRights[k][1] )
6011 rights++; /* but at least one rook lost them */
6013 if( castlingRights[forwardMostMove][5] != castlingRights[k][5] &&
6014 (castlingRights[k][3] >= 0 || castlingRights[k][4] >= 0) )
6016 if( castlingRights[forwardMostMove][5] >= 0 ) {
6017 if( castlingRights[forwardMostMove][3] != castlingRights[k][3] ||
6018 castlingRights[forwardMostMove][4] != castlingRights[k][4] )
6022 if (appData.debugMode) {
6023 for(i=0; i<nrCastlingRights; i++)
6024 fprintf(debugFP, " (%d,%d)", castlingRights[forwardMostMove][i], castlingRights[k][i]);
6027 if (appData.debugMode) {
6028 fprintf(debugFP, " %d %d\n", rights, k);
6031 if( rights == 0 && ++count > appData.drawRepeats-2
6032 && appData.drawRepeats > 1) {
6033 /* adjudicate after user-specified nr of repeats */
6034 SendToProgram("force\n", cps->other); // suppress reply
6035 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6036 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6037 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6038 // [HGM] xiangqi: check for forbidden perpetuals
6039 int m, ourPerpetual = 1, hisPerpetual = 1;
6040 for(m=forwardMostMove; m>k; m-=2) {
6041 if(MateTest(boards[m], PosFlags(m),
6042 EP_NONE, castlingRights[m]) != MT_CHECK)
6043 ourPerpetual = 0; // the current mover did not always check
6044 if(MateTest(boards[m-1], PosFlags(m-1),
6045 EP_NONE, castlingRights[m-1]) != MT_CHECK)
6046 hisPerpetual = 0; // the opponent did not always check
6048 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6049 ourPerpetual, hisPerpetual);
6050 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6051 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6052 "Xboard adjudication: perpetual checking", GE_XBOARD );
6055 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
6056 break; // (or we would have caught him before). Abort repetition-checking loop.
6057 // Now check for perpetual chases
6058 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6059 hisPerpetual = PerpetualChase(k, forwardMostMove);
6060 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6061 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6062 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6063 "Xboard adjudication: perpetual chasing", GE_XBOARD );
6066 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6067 break; // Abort repetition-checking loop.
6069 // if neither of us is checking or chasing all the time, or both are, it is draw
6071 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
6074 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6075 epStatus[forwardMostMove] = EP_REP_DRAW;
6079 /* Now we test for 50-move draws. Determine ply count */
6080 count = forwardMostMove;
6081 /* look for last irreversble move */
6082 while( epStatus[count] <= EP_NONE && count > backwardMostMove )
6084 /* if we hit starting position, add initial plies */
6085 if( count == backwardMostMove )
6086 count -= initialRulePlies;
6087 count = forwardMostMove - count;
6089 epStatus[forwardMostMove] = EP_RULE_DRAW;
6090 /* this is used to judge if draw claims are legal */
6091 if(appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6092 SendToProgram("force\n", cps->other); // suppress reply
6093 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6094 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6095 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6099 /* if draw offer is pending, treat it as a draw claim
6100 * when draw condition present, to allow engines a way to
6101 * claim draws before making their move to avoid a race
6102 * condition occurring after their move
6104 if( cps->other->offeredDraw || cps->offeredDraw ) {
6106 if(epStatus[forwardMostMove] == EP_RULE_DRAW)
6107 p = "Draw claim: 50-move rule";
6108 if(epStatus[forwardMostMove] == EP_REP_DRAW)
6109 p = "Draw claim: 3-fold repetition";
6110 if(epStatus[forwardMostMove] == EP_INSUF_DRAW)
6111 p = "Draw claim: insufficient mating material";
6113 SendToProgram("force\n", cps->other); // suppress reply
6114 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6115 GameEnds( GameIsDrawn, p, GE_XBOARD );
6116 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6122 if( appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6123 SendToProgram("force\n", cps->other); // suppress reply
6124 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6125 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6127 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6134 if (gameMode == TwoMachinesPlay) {
6135 /* [HGM] relaying draw offers moved to after reception of move */
6136 /* and interpreting offer as claim if it brings draw condition */
6137 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
6138 SendToProgram("draw\n", cps->other);
6140 if (cps->other->sendTime) {
6141 SendTimeRemaining(cps->other,
6142 cps->other->twoMachinesColor[0] == 'w');
6144 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
6145 if (firstMove && !bookHit) {
6147 if (cps->other->useColors) {
6148 SendToProgram(cps->other->twoMachinesColor, cps->other);
6150 SendToProgram("go\n", cps->other);
6152 cps->other->maybeThinking = TRUE;
6155 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6157 if (!pausing && appData.ringBellAfterMoves) {
6162 * Reenable menu items that were disabled while
6163 * machine was thinking
6165 if (gameMode != TwoMachinesPlay)
6166 SetUserThinkingEnables();
6168 // [HGM] book: after book hit opponent has received move and is now in force mode
6169 // force the book reply into it, and then fake that it outputted this move by jumping
6170 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
6172 static char bookMove[MSG_SIZ]; // a bit generous?
6174 strcpy(bookMove, "move ");
6175 strcat(bookMove, bookHit);
6178 programStats.nodes = programStats.depth = programStats.time =
6179 programStats.score = programStats.got_only_move = 0;
6180 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6182 if(cps->lastPing != cps->lastPong) {
6183 savedMessage = message; // args for deferred call
6185 ScheduleDelayedEvent(DeferredBookMove, 10);
6194 /* Set special modes for chess engines. Later something general
6195 * could be added here; for now there is just one kludge feature,
6196 * needed because Crafty 15.10 and earlier don't ignore SIGINT
6197 * when "xboard" is given as an interactive command.
6199 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
6200 cps->useSigint = FALSE;
6201 cps->useSigterm = FALSE;
6203 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
6204 ParseFeatures(message+8, cps);
6205 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
6208 /* [HGM] Allow engine to set up a position. Don't ask me why one would
6209 * want this, I was asked to put it in, and obliged.
6211 if (!strncmp(message, "setboard ", 9)) {
6212 Board initial_position; int i;
6214 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
6216 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
6217 DisplayError(_("Bad FEN received from engine"), 0);
6220 Reset(FALSE, FALSE);
6221 CopyBoard(boards[0], initial_position);
6222 initialRulePlies = FENrulePlies;
6223 epStatus[0] = FENepStatus;
6224 for( i=0; i<nrCastlingRights; i++ )
6225 castlingRights[0][i] = FENcastlingRights[i];
6226 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
6227 else gameMode = MachinePlaysBlack;
6228 DrawPosition(FALSE, boards[currentMove]);
6234 * Look for communication commands
6236 if (!strncmp(message, "telluser ", 9)) {
6237 DisplayNote(message + 9);
6240 if (!strncmp(message, "tellusererror ", 14)) {
6241 DisplayError(message + 14, 0);
6244 if (!strncmp(message, "tellopponent ", 13)) {
6245 if (appData.icsActive) {
6247 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
6251 DisplayNote(message + 13);
6255 if (!strncmp(message, "tellothers ", 11)) {
6256 if (appData.icsActive) {
6258 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
6264 if (!strncmp(message, "tellall ", 8)) {
6265 if (appData.icsActive) {
6267 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
6271 DisplayNote(message + 8);
6275 if (strncmp(message, "warning", 7) == 0) {
6276 /* Undocumented feature, use tellusererror in new code */
6277 DisplayError(message, 0);
6280 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
6281 strcpy(realname, cps->tidy);
6282 strcat(realname, " query");
6283 AskQuestion(realname, buf2, buf1, cps->pr);
6286 /* Commands from the engine directly to ICS. We don't allow these to be
6287 * sent until we are logged on. Crafty kibitzes have been known to
6288 * interfere with the login process.
6291 if (!strncmp(message, "tellics ", 8)) {
6292 SendToICS(message + 8);
6296 if (!strncmp(message, "tellicsnoalias ", 15)) {
6297 SendToICS(ics_prefix);
6298 SendToICS(message + 15);
6302 /* The following are for backward compatibility only */
6303 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
6304 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
6305 SendToICS(ics_prefix);
6311 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
6315 * If the move is illegal, cancel it and redraw the board.
6316 * Also deal with other error cases. Matching is rather loose
6317 * here to accommodate engines written before the spec.
6319 if (strncmp(message + 1, "llegal move", 11) == 0 ||
6320 strncmp(message, "Error", 5) == 0) {
6321 if (StrStr(message, "name") ||
6322 StrStr(message, "rating") || StrStr(message, "?") ||
6323 StrStr(message, "result") || StrStr(message, "board") ||
6324 StrStr(message, "bk") || StrStr(message, "computer") ||
6325 StrStr(message, "variant") || StrStr(message, "hint") ||
6326 StrStr(message, "random") || StrStr(message, "depth") ||
6327 StrStr(message, "accepted")) {
6330 if (StrStr(message, "protover")) {
6331 /* Program is responding to input, so it's apparently done
6332 initializing, and this error message indicates it is
6333 protocol version 1. So we don't need to wait any longer
6334 for it to initialize and send feature commands. */
6335 FeatureDone(cps, 1);
6336 cps->protocolVersion = 1;
6339 cps->maybeThinking = FALSE;
6341 if (StrStr(message, "draw")) {
6342 /* Program doesn't have "draw" command */
6343 cps->sendDrawOffers = 0;
6346 if (cps->sendTime != 1 &&
6347 (StrStr(message, "time") || StrStr(message, "otim"))) {
6348 /* Program apparently doesn't have "time" or "otim" command */
6352 if (StrStr(message, "analyze")) {
6353 cps->analysisSupport = FALSE;
6354 cps->analyzing = FALSE;
6356 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
6357 DisplayError(buf2, 0);
6360 if (StrStr(message, "(no matching move)st")) {
6361 /* Special kludge for GNU Chess 4 only */
6362 cps->stKludge = TRUE;
6363 SendTimeControl(cps, movesPerSession, timeControl,
6364 timeIncrement, appData.searchDepth,
6368 if (StrStr(message, "(no matching move)sd")) {
6369 /* Special kludge for GNU Chess 4 only */
6370 cps->sdKludge = TRUE;
6371 SendTimeControl(cps, movesPerSession, timeControl,
6372 timeIncrement, appData.searchDepth,
6376 if (!StrStr(message, "llegal")) {
6379 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6380 gameMode == IcsIdle) return;
6381 if (forwardMostMove <= backwardMostMove) return;
6383 /* Following removed: it caused a bug where a real illegal move
6384 message in analyze mored would be ignored. */
6385 if (cps == &first && programStats.ok_to_send == 0) {
6386 /* Bogus message from Crafty responding to "." This filtering
6387 can miss some of the bad messages, but fortunately the bug
6388 is fixed in current Crafty versions, so it doesn't matter. */
6392 if (pausing) PauseEvent();
6393 if(appData.forceIllegal) {
6394 // [HGM] illegal: machine refused move; force position after move into it
6395 SendToProgram("force\n", cps);
6396 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
6397 // we have a real problem now, as SendBoard will use the a2a3 kludge
6398 // when black is to move, while there might be nothing on a2 or black
6399 // might already have the move. So send the board as if white has the move.
6400 // But first we must change the stm of the engine, as it refused the last move
6401 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
6402 if(WhiteOnMove(forwardMostMove)) {
6403 SendToProgram("a7a6\n", cps); // for the engine black still had the move
6404 SendBoard(cps, forwardMostMove); // kludgeless board
6406 SendToProgram("a2a3\n", cps); // for the engine white still had the move
6407 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
6408 SendBoard(cps, forwardMostMove+1); // kludgeless board
6410 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
6411 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
6412 gameMode == TwoMachinesPlay)
6413 SendToProgram("go\n", cps);
6416 if (gameMode == PlayFromGameFile) {
6417 /* Stop reading this game file */
6418 gameMode = EditGame;
6421 currentMove = --forwardMostMove;
6422 DisplayMove(currentMove-1); /* before DisplayMoveError */
6424 DisplayBothClocks();
6425 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
6426 parseList[currentMove], cps->which);
6427 DisplayMoveError(buf1);
6428 DrawPosition(FALSE, boards[currentMove]);
6430 /* [HGM] illegal-move claim should forfeit game when Xboard */
6431 /* only passes fully legal moves */
6432 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
6433 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
6434 "False illegal-move claim", GE_XBOARD );
6438 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
6439 /* Program has a broken "time" command that
6440 outputs a string not ending in newline.
6446 * If chess program startup fails, exit with an error message.
6447 * Attempts to recover here are futile.
6449 if ((StrStr(message, "unknown host") != NULL)
6450 || (StrStr(message, "No remote directory") != NULL)
6451 || (StrStr(message, "not found") != NULL)
6452 || (StrStr(message, "No such file") != NULL)
6453 || (StrStr(message, "can't alloc") != NULL)
6454 || (StrStr(message, "Permission denied") != NULL)) {
6456 cps->maybeThinking = FALSE;
6457 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
6458 cps->which, cps->program, cps->host, message);
6459 RemoveInputSource(cps->isr);
6460 DisplayFatalError(buf1, 0, 1);
6465 * Look for hint output
6467 if (sscanf(message, "Hint: %s", buf1) == 1) {
6468 if (cps == &first && hintRequested) {
6469 hintRequested = FALSE;
6470 if (ParseOneMove(buf1, forwardMostMove, &moveType,
6471 &fromX, &fromY, &toX, &toY, &promoChar)) {
6472 (void) CoordsToAlgebraic(boards[forwardMostMove],
6473 PosFlags(forwardMostMove), EP_UNKNOWN,
6474 fromY, fromX, toY, toX, promoChar, buf1);
6475 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
6476 DisplayInformation(buf2);
6478 /* Hint move could not be parsed!? */
6479 snprintf(buf2, sizeof(buf2),
6480 _("Illegal hint move \"%s\"\nfrom %s chess program"),
6482 DisplayError(buf2, 0);
6485 strcpy(lastHint, buf1);
6491 * Ignore other messages if game is not in progress
6493 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6494 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
6497 * look for win, lose, draw, or draw offer
6499 if (strncmp(message, "1-0", 3) == 0) {
6500 char *p, *q, *r = "";
6501 p = strchr(message, '{');
6509 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
6511 } else if (strncmp(message, "0-1", 3) == 0) {
6512 char *p, *q, *r = "";
6513 p = strchr(message, '{');
6521 /* Kludge for Arasan 4.1 bug */
6522 if (strcmp(r, "Black resigns") == 0) {
6523 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
6526 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
6528 } else if (strncmp(message, "1/2", 3) == 0) {
6529 char *p, *q, *r = "";
6530 p = strchr(message, '{');
6539 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
6542 } else if (strncmp(message, "White resign", 12) == 0) {
6543 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
6545 } else if (strncmp(message, "Black resign", 12) == 0) {
6546 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
6548 } else if (strncmp(message, "White matches", 13) == 0 ||
6549 strncmp(message, "Black matches", 13) == 0 ) {
6550 /* [HGM] ignore GNUShogi noises */
6552 } else if (strncmp(message, "White", 5) == 0 &&
6553 message[5] != '(' &&
6554 StrStr(message, "Black") == NULL) {
6555 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6557 } else if (strncmp(message, "Black", 5) == 0 &&
6558 message[5] != '(') {
6559 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6561 } else if (strcmp(message, "resign") == 0 ||
6562 strcmp(message, "computer resigns") == 0) {
6564 case MachinePlaysBlack:
6565 case IcsPlayingBlack:
6566 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
6568 case MachinePlaysWhite:
6569 case IcsPlayingWhite:
6570 GameEnds(BlackWins, "White resigns", GE_ENGINE);
6572 case TwoMachinesPlay:
6573 if (cps->twoMachinesColor[0] == 'w')
6574 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
6576 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
6583 } else if (strncmp(message, "opponent mates", 14) == 0) {
6585 case MachinePlaysBlack:
6586 case IcsPlayingBlack:
6587 GameEnds(WhiteWins, "White mates", GE_ENGINE);
6589 case MachinePlaysWhite:
6590 case IcsPlayingWhite:
6591 GameEnds(BlackWins, "Black mates", GE_ENGINE);
6593 case TwoMachinesPlay:
6594 if (cps->twoMachinesColor[0] == 'w')
6595 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6597 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6604 } else if (strncmp(message, "computer mates", 14) == 0) {
6606 case MachinePlaysBlack:
6607 case IcsPlayingBlack:
6608 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
6610 case MachinePlaysWhite:
6611 case IcsPlayingWhite:
6612 GameEnds(WhiteWins, "White mates", GE_ENGINE);
6614 case TwoMachinesPlay:
6615 if (cps->twoMachinesColor[0] == 'w')
6616 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6618 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6625 } else if (strncmp(message, "checkmate", 9) == 0) {
6626 if (WhiteOnMove(forwardMostMove)) {
6627 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6629 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6632 } else if (strstr(message, "Draw") != NULL ||
6633 strstr(message, "game is a draw") != NULL) {
6634 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
6636 } else if (strstr(message, "offer") != NULL &&
6637 strstr(message, "draw") != NULL) {
6639 if (appData.zippyPlay && first.initDone) {
6640 /* Relay offer to ICS */
6641 SendToICS(ics_prefix);
6642 SendToICS("draw\n");
6645 cps->offeredDraw = 2; /* valid until this engine moves twice */
6646 if (gameMode == TwoMachinesPlay) {
6647 if (cps->other->offeredDraw) {
6648 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
6649 /* [HGM] in two-machine mode we delay relaying draw offer */
6650 /* until after we also have move, to see if it is really claim */
6654 if (cps->other->sendDrawOffers) {
6655 SendToProgram("draw\n", cps->other);
6659 } else if (gameMode == MachinePlaysWhite ||
6660 gameMode == MachinePlaysBlack) {
6661 if (userOfferedDraw) {
6662 DisplayInformation(_("Machine accepts your draw offer"));
6663 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
6665 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
6672 * Look for thinking output
6674 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
6675 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
6677 int plylev, mvleft, mvtot, curscore, time;
6678 char mvname[MOVE_LEN];
6682 int prefixHint = FALSE;
6683 mvname[0] = NULLCHAR;
6686 case MachinePlaysBlack:
6687 case IcsPlayingBlack:
6688 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
6690 case MachinePlaysWhite:
6691 case IcsPlayingWhite:
6692 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
6697 case IcsObserving: /* [DM] icsEngineAnalyze */
6698 if (!appData.icsEngineAnalyze) ignore = TRUE;
6700 case TwoMachinesPlay:
6701 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
6712 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
6713 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
6715 if (plyext != ' ' && plyext != '\t') {
6719 /* [AS] Negate score if machine is playing black and reporting absolute scores */
6720 if( cps->scoreIsAbsolute &&
6721 ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) )
6723 curscore = -curscore;
6727 programStats.depth = plylev;
6728 programStats.nodes = nodes;
6729 programStats.time = time;
6730 programStats.score = curscore;
6731 programStats.got_only_move = 0;
6733 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
6736 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
6737 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
6738 if(WhiteOnMove(forwardMostMove))
6739 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
6740 else blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
6743 /* Buffer overflow protection */
6744 if (buf1[0] != NULLCHAR) {
6745 if (strlen(buf1) >= sizeof(programStats.movelist)
6746 && appData.debugMode) {
6748 "PV is too long; using the first %d bytes.\n",
6749 sizeof(programStats.movelist) - 1);
6752 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
6754 sprintf(programStats.movelist, " no PV\n");
6757 if (programStats.seen_stat) {
6758 programStats.ok_to_send = 1;
6761 if (strchr(programStats.movelist, '(') != NULL) {
6762 programStats.line_is_book = 1;
6763 programStats.nr_moves = 0;
6764 programStats.moves_left = 0;
6766 programStats.line_is_book = 0;
6769 SendProgramStatsToFrontend( cps, &programStats );
6772 [AS] Protect the thinkOutput buffer from overflow... this
6773 is only useful if buf1 hasn't overflowed first!
6775 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
6777 (gameMode == TwoMachinesPlay ?
6778 ToUpper(cps->twoMachinesColor[0]) : ' '),
6779 ((double) curscore) / 100.0,
6780 prefixHint ? lastHint : "",
6781 prefixHint ? " " : "" );
6783 if( buf1[0] != NULLCHAR ) {
6784 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
6786 if( strlen(buf1) > max_len ) {
6787 if( appData.debugMode) {
6788 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
6790 buf1[max_len+1] = '\0';
6793 strcat( thinkOutput, buf1 );
6796 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
6797 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
6798 DisplayMove(currentMove - 1);
6803 } else if ((p=StrStr(message, "(only move)")) != NULL) {
6804 /* crafty (9.25+) says "(only move) <move>"
6805 * if there is only 1 legal move
6807 sscanf(p, "(only move) %s", buf1);
6808 sprintf(thinkOutput, "%s (only move)", buf1);
6809 sprintf(programStats.movelist, "%s (only move)", buf1);
6810 programStats.depth = 1;
6811 programStats.nr_moves = 1;
6812 programStats.moves_left = 1;
6813 programStats.nodes = 1;
6814 programStats.time = 1;
6815 programStats.got_only_move = 1;
6817 /* Not really, but we also use this member to
6818 mean "line isn't going to change" (Crafty
6819 isn't searching, so stats won't change) */
6820 programStats.line_is_book = 1;
6822 SendProgramStatsToFrontend( cps, &programStats );
6824 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
6825 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
6826 DisplayMove(currentMove - 1);
6830 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
6831 &time, &nodes, &plylev, &mvleft,
6832 &mvtot, mvname) >= 5) {
6833 /* The stat01: line is from Crafty (9.29+) in response
6834 to the "." command */
6835 programStats.seen_stat = 1;
6836 cps->maybeThinking = TRUE;
6838 if (programStats.got_only_move || !appData.periodicUpdates)
6841 programStats.depth = plylev;
6842 programStats.time = time;
6843 programStats.nodes = nodes;
6844 programStats.moves_left = mvleft;
6845 programStats.nr_moves = mvtot;
6846 strcpy(programStats.move_name, mvname);
6847 programStats.ok_to_send = 1;
6848 programStats.movelist[0] = '\0';
6850 SendProgramStatsToFrontend( cps, &programStats );
6855 } else if (strncmp(message,"++",2) == 0) {
6856 /* Crafty 9.29+ outputs this */
6857 programStats.got_fail = 2;
6860 } else if (strncmp(message,"--",2) == 0) {
6861 /* Crafty 9.29+ outputs this */
6862 programStats.got_fail = 1;
6865 } else if (thinkOutput[0] != NULLCHAR &&
6866 strncmp(message, " ", 4) == 0) {
6867 unsigned message_len;
6870 while (*p && *p == ' ') p++;
6872 message_len = strlen( p );
6874 /* [AS] Avoid buffer overflow */
6875 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
6876 strcat(thinkOutput, " ");
6877 strcat(thinkOutput, p);
6880 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
6881 strcat(programStats.movelist, " ");
6882 strcat(programStats.movelist, p);
6885 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
6886 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
6887 DisplayMove(currentMove - 1);
6896 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
6897 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
6899 ChessProgramStats cpstats;
6901 if (plyext != ' ' && plyext != '\t') {
6905 /* [AS] Negate score if machine is playing black and reporting absolute scores */
6906 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
6907 curscore = -curscore;
6910 cpstats.depth = plylev;
6911 cpstats.nodes = nodes;
6912 cpstats.time = time;
6913 cpstats.score = curscore;
6914 cpstats.got_only_move = 0;
6915 cpstats.movelist[0] = '\0';
6917 if (buf1[0] != NULLCHAR) {
6918 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
6921 cpstats.ok_to_send = 0;
6922 cpstats.line_is_book = 0;
6923 cpstats.nr_moves = 0;
6924 cpstats.moves_left = 0;
6926 SendProgramStatsToFrontend( cps, &cpstats );
6933 /* Parse a game score from the character string "game", and
6934 record it as the history of the current game. The game
6935 score is NOT assumed to start from the standard position.
6936 The display is not updated in any way.
6939 ParseGameHistory(game)
6943 int fromX, fromY, toX, toY, boardIndex;
6948 if (appData.debugMode)
6949 fprintf(debugFP, "Parsing game history: %s\n", game);
6951 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
6952 gameInfo.site = StrSave(appData.icsHost);
6953 gameInfo.date = PGNDate();
6954 gameInfo.round = StrSave("-");
6956 /* Parse out names of players */
6957 while (*game == ' ') game++;
6959 while (*game != ' ') *p++ = *game++;
6961 gameInfo.white = StrSave(buf);
6962 while (*game == ' ') game++;
6964 while (*game != ' ' && *game != '\n') *p++ = *game++;
6966 gameInfo.black = StrSave(buf);
6969 boardIndex = blackPlaysFirst ? 1 : 0;
6972 yyboardindex = boardIndex;
6973 moveType = (ChessMove) yylex();
6975 case IllegalMove: /* maybe suicide chess, etc. */
6976 if (appData.debugMode) {
6977 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
6978 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
6979 setbuf(debugFP, NULL);
6981 case WhitePromotionChancellor:
6982 case BlackPromotionChancellor:
6983 case WhitePromotionArchbishop:
6984 case BlackPromotionArchbishop:
6985 case WhitePromotionQueen:
6986 case BlackPromotionQueen:
6987 case WhitePromotionRook:
6988 case BlackPromotionRook:
6989 case WhitePromotionBishop:
6990 case BlackPromotionBishop:
6991 case WhitePromotionKnight:
6992 case BlackPromotionKnight:
6993 case WhitePromotionKing:
6994 case BlackPromotionKing:
6996 case WhiteCapturesEnPassant:
6997 case BlackCapturesEnPassant:
6998 case WhiteKingSideCastle:
6999 case WhiteQueenSideCastle:
7000 case BlackKingSideCastle:
7001 case BlackQueenSideCastle:
7002 case WhiteKingSideCastleWild:
7003 case WhiteQueenSideCastleWild:
7004 case BlackKingSideCastleWild:
7005 case BlackQueenSideCastleWild:
7007 case WhiteHSideCastleFR:
7008 case WhiteASideCastleFR:
7009 case BlackHSideCastleFR:
7010 case BlackASideCastleFR:
7012 fromX = currentMoveString[0] - AAA;
7013 fromY = currentMoveString[1] - ONE;
7014 toX = currentMoveString[2] - AAA;
7015 toY = currentMoveString[3] - ONE;
7016 promoChar = currentMoveString[4];
7020 fromX = moveType == WhiteDrop ?
7021 (int) CharToPiece(ToUpper(currentMoveString[0])) :
7022 (int) CharToPiece(ToLower(currentMoveString[0]));
7024 toX = currentMoveString[2] - AAA;
7025 toY = currentMoveString[3] - ONE;
7026 promoChar = NULLCHAR;
7030 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
7031 if (appData.debugMode) {
7032 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
7033 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7034 setbuf(debugFP, NULL);
7036 DisplayError(buf, 0);
7038 case ImpossibleMove:
7040 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
7041 if (appData.debugMode) {
7042 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
7043 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7044 setbuf(debugFP, NULL);
7046 DisplayError(buf, 0);
7048 case (ChessMove) 0: /* end of file */
7049 if (boardIndex < backwardMostMove) {
7050 /* Oops, gap. How did that happen? */
7051 DisplayError(_("Gap in move list"), 0);
7054 backwardMostMove = blackPlaysFirst ? 1 : 0;
7055 if (boardIndex > forwardMostMove) {
7056 forwardMostMove = boardIndex;
7060 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
7061 strcat(parseList[boardIndex-1], " ");
7062 strcat(parseList[boardIndex-1], yy_text);
7074 case GameUnfinished:
7075 if (gameMode == IcsExamining) {
7076 if (boardIndex < backwardMostMove) {
7077 /* Oops, gap. How did that happen? */
7080 backwardMostMove = blackPlaysFirst ? 1 : 0;
7083 gameInfo.result = moveType;
7084 p = strchr(yy_text, '{');
7085 if (p == NULL) p = strchr(yy_text, '(');
7088 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
7090 q = strchr(p, *p == '{' ? '}' : ')');
7091 if (q != NULL) *q = NULLCHAR;
7094 gameInfo.resultDetails = StrSave(p);
7097 if (boardIndex >= forwardMostMove &&
7098 !(gameMode == IcsObserving && ics_gamenum == -1)) {
7099 backwardMostMove = blackPlaysFirst ? 1 : 0;
7102 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
7103 EP_UNKNOWN, fromY, fromX, toY, toX, promoChar,
7104 parseList[boardIndex]);
7105 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
7106 {int i; for(i=0; i<BOARD_SIZE; i++) castlingRights[boardIndex+1][i] = castlingRights[boardIndex][i];}
7107 /* currentMoveString is set as a side-effect of yylex */
7108 strcpy(moveList[boardIndex], currentMoveString);
7109 strcat(moveList[boardIndex], "\n");
7111 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex],
7112 castlingRights[boardIndex], &epStatus[boardIndex]);
7113 switch (MateTest(boards[boardIndex], PosFlags(boardIndex),
7114 EP_UNKNOWN, castlingRights[boardIndex]) ) {
7120 if(gameInfo.variant != VariantShogi)
7121 strcat(parseList[boardIndex - 1], "+");
7125 strcat(parseList[boardIndex - 1], "#");
7132 /* Apply a move to the given board */
7134 ApplyMove(fromX, fromY, toX, toY, promoChar, board, castling, ep)
7135 int fromX, fromY, toX, toY;
7141 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
7143 /* [HGM] compute & store e.p. status and castling rights for new position */
7144 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
7147 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
7151 if( board[toY][toX] != EmptySquare )
7154 if( board[fromY][fromX] == WhitePawn ) {
7155 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7158 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
7159 gameInfo.variant != VariantBerolina || toX < fromX)
7160 *ep = toX | berolina;
7161 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
7162 gameInfo.variant != VariantBerolina || toX > fromX)
7166 if( board[fromY][fromX] == BlackPawn ) {
7167 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7169 if( toY-fromY== -2) {
7170 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
7171 gameInfo.variant != VariantBerolina || toX < fromX)
7172 *ep = toX | berolina;
7173 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
7174 gameInfo.variant != VariantBerolina || toX > fromX)
7179 for(i=0; i<nrCastlingRights; i++) {
7180 if(castling[i] == fromX && castlingRank[i] == fromY ||
7181 castling[i] == toX && castlingRank[i] == toY
7182 ) castling[i] = -1; // revoke for moved or captured piece
7187 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
7188 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier)
7189 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
7191 if (fromX == toX && fromY == toY) return;
7193 if (fromY == DROP_RANK) {
7195 piece = board[toY][toX] = (ChessSquare) fromX;
7197 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
7198 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
7199 if(gameInfo.variant == VariantKnightmate)
7200 king += (int) WhiteUnicorn - (int) WhiteKing;
7202 /* Code added by Tord: */
7203 /* FRC castling assumed when king captures friendly rook. */
7204 if (board[fromY][fromX] == WhiteKing &&
7205 board[toY][toX] == WhiteRook) {
7206 board[fromY][fromX] = EmptySquare;
7207 board[toY][toX] = EmptySquare;
7209 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
7211 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
7213 } else if (board[fromY][fromX] == BlackKing &&
7214 board[toY][toX] == BlackRook) {
7215 board[fromY][fromX] = EmptySquare;
7216 board[toY][toX] = EmptySquare;
7218 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
7220 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
7222 /* End of code added by Tord */
7224 } else if (board[fromY][fromX] == king
7225 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7226 && toY == fromY && toX > fromX+1) {
7227 board[fromY][fromX] = EmptySquare;
7228 board[toY][toX] = king;
7229 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7230 board[fromY][BOARD_RGHT-1] = EmptySquare;
7231 } else if (board[fromY][fromX] == king
7232 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7233 && toY == fromY && toX < fromX-1) {
7234 board[fromY][fromX] = EmptySquare;
7235 board[toY][toX] = king;
7236 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7237 board[fromY][BOARD_LEFT] = EmptySquare;
7238 } else if (board[fromY][fromX] == WhitePawn
7239 && toY == BOARD_HEIGHT-1
7240 && gameInfo.variant != VariantXiangqi
7242 /* white pawn promotion */
7243 board[toY][toX] = CharToPiece(ToUpper(promoChar));
7244 if (board[toY][toX] == EmptySquare) {
7245 board[toY][toX] = WhiteQueen;
7247 if(gameInfo.variant==VariantBughouse ||
7248 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7249 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7250 board[fromY][fromX] = EmptySquare;
7251 } else if ((fromY == BOARD_HEIGHT-4)
7253 && gameInfo.variant != VariantXiangqi
7254 && gameInfo.variant != VariantBerolina
7255 && (board[fromY][fromX] == WhitePawn)
7256 && (board[toY][toX] == EmptySquare)) {
7257 board[fromY][fromX] = EmptySquare;
7258 board[toY][toX] = WhitePawn;
7259 captured = board[toY - 1][toX];
7260 board[toY - 1][toX] = EmptySquare;
7261 } else if ((fromY == BOARD_HEIGHT-4)
7263 && gameInfo.variant == VariantBerolina
7264 && (board[fromY][fromX] == WhitePawn)
7265 && (board[toY][toX] == EmptySquare)) {
7266 board[fromY][fromX] = EmptySquare;
7267 board[toY][toX] = WhitePawn;
7268 if(oldEP & EP_BEROLIN_A) {
7269 captured = board[fromY][fromX-1];
7270 board[fromY][fromX-1] = EmptySquare;
7271 }else{ captured = board[fromY][fromX+1];
7272 board[fromY][fromX+1] = EmptySquare;
7274 } else if (board[fromY][fromX] == king
7275 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7276 && toY == fromY && toX > fromX+1) {
7277 board[fromY][fromX] = EmptySquare;
7278 board[toY][toX] = king;
7279 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7280 board[fromY][BOARD_RGHT-1] = EmptySquare;
7281 } else if (board[fromY][fromX] == king
7282 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7283 && toY == fromY && toX < fromX-1) {
7284 board[fromY][fromX] = EmptySquare;
7285 board[toY][toX] = king;
7286 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7287 board[fromY][BOARD_LEFT] = EmptySquare;
7288 } else if (fromY == 7 && fromX == 3
7289 && board[fromY][fromX] == BlackKing
7290 && toY == 7 && toX == 5) {
7291 board[fromY][fromX] = EmptySquare;
7292 board[toY][toX] = BlackKing;
7293 board[fromY][7] = EmptySquare;
7294 board[toY][4] = BlackRook;
7295 } else if (fromY == 7 && fromX == 3
7296 && board[fromY][fromX] == BlackKing
7297 && toY == 7 && toX == 1) {
7298 board[fromY][fromX] = EmptySquare;
7299 board[toY][toX] = BlackKing;
7300 board[fromY][0] = EmptySquare;
7301 board[toY][2] = BlackRook;
7302 } else if (board[fromY][fromX] == BlackPawn
7304 && gameInfo.variant != VariantXiangqi
7306 /* black pawn promotion */
7307 board[0][toX] = CharToPiece(ToLower(promoChar));
7308 if (board[0][toX] == EmptySquare) {
7309 board[0][toX] = BlackQueen;
7311 if(gameInfo.variant==VariantBughouse ||
7312 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7313 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7314 board[fromY][fromX] = EmptySquare;
7315 } else if ((fromY == 3)
7317 && gameInfo.variant != VariantXiangqi
7318 && gameInfo.variant != VariantBerolina
7319 && (board[fromY][fromX] == BlackPawn)
7320 && (board[toY][toX] == EmptySquare)) {
7321 board[fromY][fromX] = EmptySquare;
7322 board[toY][toX] = BlackPawn;
7323 captured = board[toY + 1][toX];
7324 board[toY + 1][toX] = EmptySquare;
7325 } else if ((fromY == 3)
7327 && gameInfo.variant == VariantBerolina
7328 && (board[fromY][fromX] == BlackPawn)
7329 && (board[toY][toX] == EmptySquare)) {
7330 board[fromY][fromX] = EmptySquare;
7331 board[toY][toX] = BlackPawn;
7332 if(oldEP & EP_BEROLIN_A) {
7333 captured = board[fromY][fromX-1];
7334 board[fromY][fromX-1] = EmptySquare;
7335 }else{ captured = board[fromY][fromX+1];
7336 board[fromY][fromX+1] = EmptySquare;
7339 board[toY][toX] = board[fromY][fromX];
7340 board[fromY][fromX] = EmptySquare;
7343 /* [HGM] now we promote for Shogi, if needed */
7344 if(gameInfo.variant == VariantShogi && promoChar == 'q')
7345 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7348 if (gameInfo.holdingsWidth != 0) {
7350 /* !!A lot more code needs to be written to support holdings */
7351 /* [HGM] OK, so I have written it. Holdings are stored in the */
7352 /* penultimate board files, so they are automaticlly stored */
7353 /* in the game history. */
7354 if (fromY == DROP_RANK) {
7355 /* Delete from holdings, by decreasing count */
7356 /* and erasing image if necessary */
7358 if(p < (int) BlackPawn) { /* white drop */
7359 p -= (int)WhitePawn;
7360 if(p >= gameInfo.holdingsSize) p = 0;
7361 if(--board[p][BOARD_WIDTH-2] == 0)
7362 board[p][BOARD_WIDTH-1] = EmptySquare;
7363 } else { /* black drop */
7364 p -= (int)BlackPawn;
7365 if(p >= gameInfo.holdingsSize) p = 0;
7366 if(--board[BOARD_HEIGHT-1-p][1] == 0)
7367 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
7370 if (captured != EmptySquare && gameInfo.holdingsSize > 0
7371 && gameInfo.variant != VariantBughouse ) {
7372 /* [HGM] holdings: Add to holdings, if holdings exist */
7373 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
7374 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
7375 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
7378 if (p >= (int) BlackPawn) {
7379 p -= (int)BlackPawn;
7380 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7381 /* in Shogi restore piece to its original first */
7382 captured = (ChessSquare) (DEMOTED captured);
7385 p = PieceToNumber((ChessSquare)p);
7386 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
7387 board[p][BOARD_WIDTH-2]++;
7388 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
7390 p -= (int)WhitePawn;
7391 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7392 captured = (ChessSquare) (DEMOTED captured);
7395 p = PieceToNumber((ChessSquare)p);
7396 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
7397 board[BOARD_HEIGHT-1-p][1]++;
7398 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
7402 } else if (gameInfo.variant == VariantAtomic) {
7403 if (captured != EmptySquare) {
7405 for (y = toY-1; y <= toY+1; y++) {
7406 for (x = toX-1; x <= toX+1; x++) {
7407 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
7408 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
7409 board[y][x] = EmptySquare;
7413 board[toY][toX] = EmptySquare;
7416 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
7417 /* [HGM] Shogi promotions */
7418 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7421 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
7422 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
7423 // [HGM] superchess: take promotion piece out of holdings
7424 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7425 if((int)piece < (int)BlackPawn) { // determine stm from piece color
7426 if(!--board[k][BOARD_WIDTH-2])
7427 board[k][BOARD_WIDTH-1] = EmptySquare;
7429 if(!--board[BOARD_HEIGHT-1-k][1])
7430 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
7436 /* Updates forwardMostMove */
7438 MakeMove(fromX, fromY, toX, toY, promoChar)
7439 int fromX, fromY, toX, toY;
7442 // forwardMostMove++; // [HGM] bare: moved downstream
7444 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
7445 int timeLeft; static int lastLoadFlag=0; int king, piece;
7446 piece = boards[forwardMostMove][fromY][fromX];
7447 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
7448 if(gameInfo.variant == VariantKnightmate)
7449 king += (int) WhiteUnicorn - (int) WhiteKing;
7450 if(forwardMostMove == 0) {
7452 fprintf(serverMoves, "%s;", second.tidy);
7453 fprintf(serverMoves, "%s;", first.tidy);
7454 if(!blackPlaysFirst)
7455 fprintf(serverMoves, "%s;", second.tidy);
7456 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
7457 lastLoadFlag = loadFlag;
7459 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
7460 // print castling suffix
7461 if( toY == fromY && piece == king ) {
7463 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
7465 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
7468 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
7469 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
7470 boards[forwardMostMove][toY][toX] == EmptySquare
7472 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
7474 if(promoChar != NULLCHAR)
7475 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
7477 fprintf(serverMoves, "/%d/%d",
7478 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
7479 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
7480 else timeLeft = blackTimeRemaining/1000;
7481 fprintf(serverMoves, "/%d", timeLeft);
7483 fflush(serverMoves);
7486 if (forwardMostMove+1 >= MAX_MOVES) {
7487 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
7492 timeRemaining[0][forwardMostMove+1] = whiteTimeRemaining;
7493 timeRemaining[1][forwardMostMove+1] = blackTimeRemaining;
7494 if (commentList[forwardMostMove+1] != NULL) {
7495 free(commentList[forwardMostMove+1]);
7496 commentList[forwardMostMove+1] = NULL;
7498 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7499 {int i; for(i=0; i<BOARD_SIZE; i++) castlingRights[forwardMostMove+1][i] = castlingRights[forwardMostMove][i];}
7500 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1],
7501 castlingRights[forwardMostMove+1], &epStatus[forwardMostMove+1]);
7502 forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
7503 gameInfo.result = GameUnfinished;
7504 if (gameInfo.resultDetails != NULL) {
7505 free(gameInfo.resultDetails);
7506 gameInfo.resultDetails = NULL;
7508 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
7509 moveList[forwardMostMove - 1]);
7510 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
7511 PosFlags(forwardMostMove - 1), EP_UNKNOWN,
7512 fromY, fromX, toY, toX, promoChar,
7513 parseList[forwardMostMove - 1]);
7514 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7515 epStatus[forwardMostMove], /* [HGM] use true e.p. */
7516 castlingRights[forwardMostMove]) ) {
7522 if(gameInfo.variant != VariantShogi)
7523 strcat(parseList[forwardMostMove - 1], "+");
7527 strcat(parseList[forwardMostMove - 1], "#");
7530 if (appData.debugMode) {
7531 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
7536 /* Updates currentMove if not pausing */
7538 ShowMove(fromX, fromY, toX, toY)
7540 int instant = (gameMode == PlayFromGameFile) ?
7541 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
7542 if(appData.noGUI) return;
7543 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
7545 if (forwardMostMove == currentMove + 1) {
7546 AnimateMove(boards[forwardMostMove - 1],
7547 fromX, fromY, toX, toY);
7549 if (appData.highlightLastMove) {
7550 SetHighlights(fromX, fromY, toX, toY);
7553 currentMove = forwardMostMove;
7556 if (instant) return;
7558 DisplayMove(currentMove - 1);
7559 DrawPosition(FALSE, boards[currentMove]);
7560 DisplayBothClocks();
7561 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
7564 void SendEgtPath(ChessProgramState *cps)
7565 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
7566 char buf[MSG_SIZ], name[MSG_SIZ], *p;
7568 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
7571 char c, *q = name+1, *r, *s;
7573 name[0] = ','; // extract next format name from feature and copy with prefixed ','
7574 while(*p && *p != ',') *q++ = *p++;
7576 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
7577 strcmp(name, ",nalimov:") == 0 ) {
7578 // take nalimov path from the menu-changeable option first, if it is defined
7579 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
7580 SendToProgram(buf,cps); // send egtbpath command for nalimov
7582 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
7583 (s = StrStr(appData.egtFormats, name)) != NULL) {
7584 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
7585 s = r = StrStr(s, ":") + 1; // beginning of path info
7586 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
7587 c = *r; *r = 0; // temporarily null-terminate path info
7588 *--q = 0; // strip of trailig ':' from name
7589 sprintf(buf, "egtpath %s %s\n", name+1, s);
7591 SendToProgram(buf,cps); // send egtbpath command for this format
7593 if(*p == ',') p++; // read away comma to position for next format name
7598 InitChessProgram(cps, setup)
7599 ChessProgramState *cps;
7600 int setup; /* [HGM] needed to setup FRC opening position */
7602 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
7603 if (appData.noChessProgram) return;
7604 hintRequested = FALSE;
7605 bookRequested = FALSE;
7607 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
7608 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
7609 if(cps->memSize) { /* [HGM] memory */
7610 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
7611 SendToProgram(buf, cps);
7613 SendEgtPath(cps); /* [HGM] EGT */
7614 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
7615 sprintf(buf, "cores %d\n", appData.smpCores);
7616 SendToProgram(buf, cps);
7619 SendToProgram(cps->initString, cps);
7620 if (gameInfo.variant != VariantNormal &&
7621 gameInfo.variant != VariantLoadable
7622 /* [HGM] also send variant if board size non-standard */
7623 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
7625 char *v = VariantName(gameInfo.variant);
7626 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
7627 /* [HGM] in protocol 1 we have to assume all variants valid */
7628 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
7629 DisplayFatalError(buf, 0, 1);
7633 /* [HGM] make prefix for non-standard board size. Awkward testing... */
7634 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7635 if( gameInfo.variant == VariantXiangqi )
7636 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
7637 if( gameInfo.variant == VariantShogi )
7638 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
7639 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
7640 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
7641 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
7642 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
7643 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7644 if( gameInfo.variant == VariantCourier )
7645 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7646 if( gameInfo.variant == VariantSuper )
7647 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
7648 if( gameInfo.variant == VariantGreat )
7649 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
7652 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
7653 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
7654 /* [HGM] varsize: try first if this defiant size variant is specifically known */
7655 if(StrStr(cps->variants, b) == NULL) {
7656 // specific sized variant not known, check if general sizing allowed
7657 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
7658 if(StrStr(cps->variants, "boardsize") == NULL) {
7659 sprintf(buf, "Board size %dx%d+%d not supported by %s",
7660 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
7661 DisplayFatalError(buf, 0, 1);
7664 /* [HGM] here we really should compare with the maximum supported board size */
7667 } else sprintf(b, "%s", VariantName(gameInfo.variant));
7668 sprintf(buf, "variant %s\n", b);
7669 SendToProgram(buf, cps);
7671 currentlyInitializedVariant = gameInfo.variant;
7673 /* [HGM] send opening position in FRC to first engine */
7675 SendToProgram("force\n", cps);
7677 /* engine is now in force mode! Set flag to wake it up after first move. */
7678 setboardSpoiledMachineBlack = 1;
7682 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
7683 SendToProgram(buf, cps);
7685 cps->maybeThinking = FALSE;
7686 cps->offeredDraw = 0;
7687 if (!appData.icsActive) {
7688 SendTimeControl(cps, movesPerSession, timeControl,
7689 timeIncrement, appData.searchDepth,
7692 if (appData.showThinking
7693 // [HGM] thinking: four options require thinking output to be sent
7694 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7696 SendToProgram("post\n", cps);
7698 SendToProgram("hard\n", cps);
7699 if (!appData.ponderNextMove) {
7700 /* Warning: "easy" is a toggle in GNU Chess, so don't send
7701 it without being sure what state we are in first. "hard"
7702 is not a toggle, so that one is OK.
7704 SendToProgram("easy\n", cps);
7707 sprintf(buf, "ping %d\n", ++cps->lastPing);
7708 SendToProgram(buf, cps);
7710 cps->initDone = TRUE;
7715 StartChessProgram(cps)
7716 ChessProgramState *cps;
7721 if (appData.noChessProgram) return;
7722 cps->initDone = FALSE;
7724 if (strcmp(cps->host, "localhost") == 0) {
7725 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
7726 } else if (*appData.remoteShell == NULLCHAR) {
7727 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
7729 if (*appData.remoteUser == NULLCHAR) {
7730 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
7733 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
7734 cps->host, appData.remoteUser, cps->program);
7736 err = StartChildProcess(buf, "", &cps->pr);
7740 sprintf(buf, _("Startup failure on '%s'"), cps->program);
7741 DisplayFatalError(buf, err, 1);
7747 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
7748 if (cps->protocolVersion > 1) {
7749 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
7750 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
7751 cps->comboCnt = 0; // and values of combo boxes
7752 SendToProgram(buf, cps);
7754 SendToProgram("xboard\n", cps);
7760 TwoMachinesEventIfReady P((void))
7762 if (first.lastPing != first.lastPong) {
7763 DisplayMessage("", _("Waiting for first chess program"));
7764 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
7767 if (second.lastPing != second.lastPong) {
7768 DisplayMessage("", _("Waiting for second chess program"));
7769 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
7777 NextMatchGame P((void))
7779 int index; /* [HGM] autoinc: step lod index during match */
7781 if (*appData.loadGameFile != NULLCHAR) {
7782 index = appData.loadGameIndex;
7783 if(index < 0) { // [HGM] autoinc
7784 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
7785 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
7787 LoadGameFromFile(appData.loadGameFile,
7789 appData.loadGameFile, FALSE);
7790 } else if (*appData.loadPositionFile != NULLCHAR) {
7791 index = appData.loadPositionIndex;
7792 if(index < 0) { // [HGM] autoinc
7793 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
7794 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
7796 LoadPositionFromFile(appData.loadPositionFile,
7798 appData.loadPositionFile);
7800 TwoMachinesEventIfReady();
7803 void UserAdjudicationEvent( int result )
7805 ChessMove gameResult = GameIsDrawn;
7808 gameResult = WhiteWins;
7810 else if( result < 0 ) {
7811 gameResult = BlackWins;
7814 if( gameMode == TwoMachinesPlay ) {
7815 GameEnds( gameResult, "User adjudication", GE_XBOARD );
7820 // [HGM] save: calculate checksum of game to make games easily identifiable
7821 int StringCheckSum(char *s)
7824 if(s==NULL) return 0;
7825 while(*s) i = i*259 + *s++;
7832 for(i=backwardMostMove; i<forwardMostMove; i++) {
7833 sum += pvInfoList[i].depth;
7834 sum += StringCheckSum(parseList[i]);
7835 sum += StringCheckSum(commentList[i]);
7838 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
7839 return sum + StringCheckSum(commentList[i]);
7840 } // end of save patch
7843 GameEnds(result, resultDetails, whosays)
7845 char *resultDetails;
7848 GameMode nextGameMode;
7852 if(endingGame) return; /* [HGM] crash: forbid recursion */
7855 if (appData.debugMode) {
7856 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
7857 result, resultDetails ? resultDetails : "(null)", whosays);
7860 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
7861 /* If we are playing on ICS, the server decides when the
7862 game is over, but the engine can offer to draw, claim
7866 if (appData.zippyPlay && first.initDone) {
7867 if (result == GameIsDrawn) {
7868 /* In case draw still needs to be claimed */
7869 SendToICS(ics_prefix);
7870 SendToICS("draw\n");
7871 } else if (StrCaseStr(resultDetails, "resign")) {
7872 SendToICS(ics_prefix);
7873 SendToICS("resign\n");
7877 endingGame = 0; /* [HGM] crash */
7881 /* If we're loading the game from a file, stop */
7882 if (whosays == GE_FILE) {
7883 (void) StopLoadGameTimer();
7887 /* Cancel draw offers */
7888 first.offeredDraw = second.offeredDraw = 0;
7890 /* If this is an ICS game, only ICS can really say it's done;
7891 if not, anyone can. */
7892 isIcsGame = (gameMode == IcsPlayingWhite ||
7893 gameMode == IcsPlayingBlack ||
7894 gameMode == IcsObserving ||
7895 gameMode == IcsExamining);
7897 if (!isIcsGame || whosays == GE_ICS) {
7898 /* OK -- not an ICS game, or ICS said it was done */
7900 if (!isIcsGame && !appData.noChessProgram)
7901 SetUserThinkingEnables();
7903 /* [HGM] if a machine claims the game end we verify this claim */
7904 if(gameMode == TwoMachinesPlay && appData.testClaims) {
7905 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
7907 ChessMove trueResult = (ChessMove) -1;
7909 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
7910 first.twoMachinesColor[0] :
7911 second.twoMachinesColor[0] ;
7913 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
7914 if(epStatus[forwardMostMove] == EP_CHECKMATE) {
7915 /* [HGM] verify: engine mate claims accepted if they were flagged */
7916 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
7918 if(epStatus[forwardMostMove] == EP_WINS) { // added code for games where being mated is a win
7919 /* [HGM] verify: engine mate claims accepted if they were flagged */
7920 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7922 if(epStatus[forwardMostMove] == EP_STALEMATE) { // only used to indicate draws now
7923 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
7926 // now verify win claims, but not in drop games, as we don't understand those yet
7927 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
7928 || gameInfo.variant == VariantGreat) &&
7929 (result == WhiteWins && claimer == 'w' ||
7930 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
7931 if (appData.debugMode) {
7932 fprintf(debugFP, "result=%d sp=%d move=%d\n",
7933 result, epStatus[forwardMostMove], forwardMostMove);
7935 if(result != trueResult) {
7936 sprintf(buf, "False win claim: '%s'", resultDetails);
7937 result = claimer == 'w' ? BlackWins : WhiteWins;
7938 resultDetails = buf;
7941 if( result == GameIsDrawn && epStatus[forwardMostMove] > EP_DRAWS
7942 && (forwardMostMove <= backwardMostMove ||
7943 epStatus[forwardMostMove-1] > EP_DRAWS ||
7944 (claimer=='b')==(forwardMostMove&1))
7946 /* [HGM] verify: draws that were not flagged are false claims */
7947 sprintf(buf, "False draw claim: '%s'", resultDetails);
7948 result = claimer == 'w' ? BlackWins : WhiteWins;
7949 resultDetails = buf;
7951 /* (Claiming a loss is accepted no questions asked!) */
7953 /* [HGM] bare: don't allow bare King to win */
7954 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
7955 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
7956 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
7957 && result != GameIsDrawn)
7958 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
7959 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
7960 int p = (int)boards[forwardMostMove][i][j] - color;
7961 if(p >= 0 && p <= (int)WhiteKing) k++;
7963 if (appData.debugMode) {
7964 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
7965 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
7968 result = GameIsDrawn;
7969 sprintf(buf, "%s but bare king", resultDetails);
7970 resultDetails = buf;
7976 if(serverMoves != NULL && !loadFlag) { char c = '=';
7977 if(result==WhiteWins) c = '+';
7978 if(result==BlackWins) c = '-';
7979 if(resultDetails != NULL)
7980 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
7982 if (resultDetails != NULL) {
7983 gameInfo.result = result;
7984 gameInfo.resultDetails = StrSave(resultDetails);
7986 /* display last move only if game was not loaded from file */
7987 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
7988 DisplayMove(currentMove - 1);
7990 if (forwardMostMove != 0) {
7991 if (gameMode != PlayFromGameFile && gameMode != EditGame
7992 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
7994 if (*appData.saveGameFile != NULLCHAR) {
7995 SaveGameToFile(appData.saveGameFile, TRUE);
7996 } else if (appData.autoSaveGames) {
7999 if (*appData.savePositionFile != NULLCHAR) {
8000 SavePositionToFile(appData.savePositionFile);
8005 /* Tell program how game ended in case it is learning */
8006 /* [HGM] Moved this to after saving the PGN, just in case */
8007 /* engine died and we got here through time loss. In that */
8008 /* case we will get a fatal error writing the pipe, which */
8009 /* would otherwise lose us the PGN. */
8010 /* [HGM] crash: not needed anymore, but doesn't hurt; */
8011 /* output during GameEnds should never be fatal anymore */
8012 if (gameMode == MachinePlaysWhite ||
8013 gameMode == MachinePlaysBlack ||
8014 gameMode == TwoMachinesPlay ||
8015 gameMode == IcsPlayingWhite ||
8016 gameMode == IcsPlayingBlack ||
8017 gameMode == BeginningOfGame) {
8019 sprintf(buf, "result %s {%s}\n", PGNResult(result),
8021 if (first.pr != NoProc) {
8022 SendToProgram(buf, &first);
8024 if (second.pr != NoProc &&
8025 gameMode == TwoMachinesPlay) {
8026 SendToProgram(buf, &second);
8031 if (appData.icsActive) {
8032 if (appData.quietPlay &&
8033 (gameMode == IcsPlayingWhite ||
8034 gameMode == IcsPlayingBlack)) {
8035 SendToICS(ics_prefix);
8036 SendToICS("set shout 1\n");
8038 nextGameMode = IcsIdle;
8039 ics_user_moved = FALSE;
8040 /* clean up premove. It's ugly when the game has ended and the
8041 * premove highlights are still on the board.
8045 ClearPremoveHighlights();
8046 DrawPosition(FALSE, boards[currentMove]);
8048 if (whosays == GE_ICS) {
8051 if (gameMode == IcsPlayingWhite)
8053 else if(gameMode == IcsPlayingBlack)
8057 if (gameMode == IcsPlayingBlack)
8059 else if(gameMode == IcsPlayingWhite)
8066 PlayIcsUnfinishedSound();
8069 } else if (gameMode == EditGame ||
8070 gameMode == PlayFromGameFile ||
8071 gameMode == AnalyzeMode ||
8072 gameMode == AnalyzeFile) {
8073 nextGameMode = gameMode;
8075 nextGameMode = EndOfGame;
8080 nextGameMode = gameMode;
8083 if (appData.noChessProgram) {
8084 gameMode = nextGameMode;
8086 endingGame = 0; /* [HGM] crash */
8091 /* Put first chess program into idle state */
8092 if (first.pr != NoProc &&
8093 (gameMode == MachinePlaysWhite ||
8094 gameMode == MachinePlaysBlack ||
8095 gameMode == TwoMachinesPlay ||
8096 gameMode == IcsPlayingWhite ||
8097 gameMode == IcsPlayingBlack ||
8098 gameMode == BeginningOfGame)) {
8099 SendToProgram("force\n", &first);
8100 if (first.usePing) {
8102 sprintf(buf, "ping %d\n", ++first.lastPing);
8103 SendToProgram(buf, &first);
8106 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8107 /* Kill off first chess program */
8108 if (first.isr != NULL)
8109 RemoveInputSource(first.isr);
8112 if (first.pr != NoProc) {
8114 DoSleep( appData.delayBeforeQuit );
8115 SendToProgram("quit\n", &first);
8116 DoSleep( appData.delayAfterQuit );
8117 DestroyChildProcess(first.pr, first.useSigterm);
8122 /* Put second chess program into idle state */
8123 if (second.pr != NoProc &&
8124 gameMode == TwoMachinesPlay) {
8125 SendToProgram("force\n", &second);
8126 if (second.usePing) {
8128 sprintf(buf, "ping %d\n", ++second.lastPing);
8129 SendToProgram(buf, &second);
8132 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8133 /* Kill off second chess program */
8134 if (second.isr != NULL)
8135 RemoveInputSource(second.isr);
8138 if (second.pr != NoProc) {
8139 DoSleep( appData.delayBeforeQuit );
8140 SendToProgram("quit\n", &second);
8141 DoSleep( appData.delayAfterQuit );
8142 DestroyChildProcess(second.pr, second.useSigterm);
8147 if (matchMode && gameMode == TwoMachinesPlay) {
8150 if (first.twoMachinesColor[0] == 'w') {
8157 if (first.twoMachinesColor[0] == 'b') {
8166 if (matchGame < appData.matchGames) {
8168 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
8169 tmp = first.twoMachinesColor;
8170 first.twoMachinesColor = second.twoMachinesColor;
8171 second.twoMachinesColor = tmp;
8173 gameMode = nextGameMode;
8175 if(appData.matchPause>10000 || appData.matchPause<10)
8176 appData.matchPause = 10000; /* [HGM] make pause adjustable */
8177 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
8178 endingGame = 0; /* [HGM] crash */
8182 gameMode = nextGameMode;
8183 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
8184 first.tidy, second.tidy,
8185 first.matchWins, second.matchWins,
8186 appData.matchGames - (first.matchWins + second.matchWins));
8187 DisplayFatalError(buf, 0, 0);
8190 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
8191 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
8193 gameMode = nextGameMode;
8195 endingGame = 0; /* [HGM] crash */
8198 /* Assumes program was just initialized (initString sent).
8199 Leaves program in force mode. */
8201 FeedMovesToProgram(cps, upto)
8202 ChessProgramState *cps;
8207 if (appData.debugMode)
8208 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
8209 startedFromSetupPosition ? "position and " : "",
8210 backwardMostMove, upto, cps->which);
8211 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
8212 // [HGM] variantswitch: make engine aware of new variant
8213 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
8214 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
8215 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
8216 SendToProgram(buf, cps);
8217 currentlyInitializedVariant = gameInfo.variant;
8219 SendToProgram("force\n", cps);
8220 if (startedFromSetupPosition) {
8221 SendBoard(cps, backwardMostMove);
8222 if (appData.debugMode) {
8223 fprintf(debugFP, "feedMoves\n");
8226 for (i = backwardMostMove; i < upto; i++) {
8227 SendMoveToProgram(i, cps);
8233 ResurrectChessProgram()
8235 /* The chess program may have exited.
8236 If so, restart it and feed it all the moves made so far. */
8238 if (appData.noChessProgram || first.pr != NoProc) return;
8240 StartChessProgram(&first);
8241 InitChessProgram(&first, FALSE);
8242 FeedMovesToProgram(&first, currentMove);
8244 if (!first.sendTime) {
8245 /* can't tell gnuchess what its clock should read,
8246 so we bow to its notion. */
8248 timeRemaining[0][currentMove] = whiteTimeRemaining;
8249 timeRemaining[1][currentMove] = blackTimeRemaining;
8252 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
8253 appData.icsEngineAnalyze) && first.analysisSupport) {
8254 SendToProgram("analyze\n", &first);
8255 first.analyzing = TRUE;
8268 if (appData.debugMode) {
8269 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
8270 redraw, init, gameMode);
8272 pausing = pauseExamInvalid = FALSE;
8273 startedFromSetupPosition = blackPlaysFirst = FALSE;
8275 whiteFlag = blackFlag = FALSE;
8276 userOfferedDraw = FALSE;
8277 hintRequested = bookRequested = FALSE;
8278 first.maybeThinking = FALSE;
8279 second.maybeThinking = FALSE;
8280 first.bookSuspend = FALSE; // [HGM] book
8281 second.bookSuspend = FALSE;
8282 thinkOutput[0] = NULLCHAR;
8283 lastHint[0] = NULLCHAR;
8284 ClearGameInfo(&gameInfo);
8285 gameInfo.variant = StringToVariant(appData.variant);
8286 ics_user_moved = ics_clock_paused = FALSE;
8287 ics_getting_history = H_FALSE;
8289 white_holding[0] = black_holding[0] = NULLCHAR;
8290 ClearProgramStats();
8291 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
8295 flipView = appData.flipView;
8296 ClearPremoveHighlights();
8298 alarmSounded = FALSE;
8300 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
8301 if(appData.serverMovesName != NULL) {
8302 /* [HGM] prepare to make moves file for broadcasting */
8303 clock_t t = clock();
8304 if(serverMoves != NULL) fclose(serverMoves);
8305 serverMoves = fopen(appData.serverMovesName, "r");
8306 if(serverMoves != NULL) {
8307 fclose(serverMoves);
8308 /* delay 15 sec before overwriting, so all clients can see end */
8309 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
8311 serverMoves = fopen(appData.serverMovesName, "w");
8315 gameMode = BeginningOfGame;
8317 if(appData.icsActive) gameInfo.variant = VariantNormal;
8318 currentMove = forwardMostMove = backwardMostMove = 0;
8319 InitPosition(redraw);
8320 for (i = 0; i < MAX_MOVES; i++) {
8321 if (commentList[i] != NULL) {
8322 free(commentList[i]);
8323 commentList[i] = NULL;
8327 timeRemaining[0][0] = whiteTimeRemaining;
8328 timeRemaining[1][0] = blackTimeRemaining;
8329 if (first.pr == NULL) {
8330 StartChessProgram(&first);
8333 InitChessProgram(&first, startedFromSetupPosition);
8336 DisplayMessage("", "");
8337 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
8338 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
8345 if (!AutoPlayOneMove())
8347 if (matchMode || appData.timeDelay == 0)
8349 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
8351 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
8360 int fromX, fromY, toX, toY;
8362 if (appData.debugMode) {
8363 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
8366 if (gameMode != PlayFromGameFile)
8369 if (currentMove >= forwardMostMove) {
8370 gameMode = EditGame;
8373 /* [AS] Clear current move marker at the end of a game */
8374 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
8379 toX = moveList[currentMove][2] - AAA;
8380 toY = moveList[currentMove][3] - ONE;
8382 if (moveList[currentMove][1] == '@') {
8383 if (appData.highlightLastMove) {
8384 SetHighlights(-1, -1, toX, toY);
8387 fromX = moveList[currentMove][0] - AAA;
8388 fromY = moveList[currentMove][1] - ONE;
8390 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
8392 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
8394 if (appData.highlightLastMove) {
8395 SetHighlights(fromX, fromY, toX, toY);
8398 DisplayMove(currentMove);
8399 SendMoveToProgram(currentMove++, &first);
8400 DisplayBothClocks();
8401 DrawPosition(FALSE, boards[currentMove]);
8402 // [HGM] PV info: always display, routine tests if empty
8403 DisplayComment(currentMove - 1, commentList[currentMove]);
8409 LoadGameOneMove(readAhead)
8410 ChessMove readAhead;
8412 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
8413 char promoChar = NULLCHAR;
8418 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
8419 gameMode != AnalyzeMode && gameMode != Training) {
8424 yyboardindex = forwardMostMove;
8425 if (readAhead != (ChessMove)0) {
8426 moveType = readAhead;
8428 if (gameFileFP == NULL)
8430 moveType = (ChessMove) yylex();
8436 if (appData.debugMode)
8437 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
8439 if (*p == '{' || *p == '[' || *p == '(') {
8440 p[strlen(p) - 1] = NULLCHAR;
8444 /* append the comment but don't display it */
8445 while (*p == '\n') p++;
8446 AppendComment(currentMove, p);
8449 case WhiteCapturesEnPassant:
8450 case BlackCapturesEnPassant:
8451 case WhitePromotionChancellor:
8452 case BlackPromotionChancellor:
8453 case WhitePromotionArchbishop:
8454 case BlackPromotionArchbishop:
8455 case WhitePromotionCentaur:
8456 case BlackPromotionCentaur:
8457 case WhitePromotionQueen:
8458 case BlackPromotionQueen:
8459 case WhitePromotionRook:
8460 case BlackPromotionRook:
8461 case WhitePromotionBishop:
8462 case BlackPromotionBishop:
8463 case WhitePromotionKnight:
8464 case BlackPromotionKnight:
8465 case WhitePromotionKing:
8466 case BlackPromotionKing:
8468 case WhiteKingSideCastle:
8469 case WhiteQueenSideCastle:
8470 case BlackKingSideCastle:
8471 case BlackQueenSideCastle:
8472 case WhiteKingSideCastleWild:
8473 case WhiteQueenSideCastleWild:
8474 case BlackKingSideCastleWild:
8475 case BlackQueenSideCastleWild:
8477 case WhiteHSideCastleFR:
8478 case WhiteASideCastleFR:
8479 case BlackHSideCastleFR:
8480 case BlackASideCastleFR:
8482 if (appData.debugMode)
8483 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8484 fromX = currentMoveString[0] - AAA;
8485 fromY = currentMoveString[1] - ONE;
8486 toX = currentMoveString[2] - AAA;
8487 toY = currentMoveString[3] - ONE;
8488 promoChar = currentMoveString[4];
8493 if (appData.debugMode)
8494 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8495 fromX = moveType == WhiteDrop ?
8496 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8497 (int) CharToPiece(ToLower(currentMoveString[0]));
8499 toX = currentMoveString[2] - AAA;
8500 toY = currentMoveString[3] - ONE;
8506 case GameUnfinished:
8507 if (appData.debugMode)
8508 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
8509 p = strchr(yy_text, '{');
8510 if (p == NULL) p = strchr(yy_text, '(');
8513 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8515 q = strchr(p, *p == '{' ? '}' : ')');
8516 if (q != NULL) *q = NULLCHAR;
8519 GameEnds(moveType, p, GE_FILE);
8521 if (cmailMsgLoaded) {
8523 flipView = WhiteOnMove(currentMove);
8524 if (moveType == GameUnfinished) flipView = !flipView;
8525 if (appData.debugMode)
8526 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
8530 case (ChessMove) 0: /* end of file */
8531 if (appData.debugMode)
8532 fprintf(debugFP, "Parser hit end of file\n");
8533 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8534 EP_UNKNOWN, castlingRights[currentMove]) ) {
8540 if (WhiteOnMove(currentMove)) {
8541 GameEnds(BlackWins, "Black mates", GE_FILE);
8543 GameEnds(WhiteWins, "White mates", GE_FILE);
8547 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
8554 if (lastLoadGameStart == GNUChessGame) {
8555 /* GNUChessGames have numbers, but they aren't move numbers */
8556 if (appData.debugMode)
8557 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
8558 yy_text, (int) moveType);
8559 return LoadGameOneMove((ChessMove)0); /* tail recursion */
8561 /* else fall thru */
8566 /* Reached start of next game in file */
8567 if (appData.debugMode)
8568 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
8569 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8570 EP_UNKNOWN, castlingRights[currentMove]) ) {
8576 if (WhiteOnMove(currentMove)) {
8577 GameEnds(BlackWins, "Black mates", GE_FILE);
8579 GameEnds(WhiteWins, "White mates", GE_FILE);
8583 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
8589 case PositionDiagram: /* should not happen; ignore */
8590 case ElapsedTime: /* ignore */
8591 case NAG: /* ignore */
8592 if (appData.debugMode)
8593 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
8594 yy_text, (int) moveType);
8595 return LoadGameOneMove((ChessMove)0); /* tail recursion */
8598 if (appData.testLegality) {
8599 if (appData.debugMode)
8600 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
8601 sprintf(move, _("Illegal move: %d.%s%s"),
8602 (forwardMostMove / 2) + 1,
8603 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8604 DisplayError(move, 0);
8607 if (appData.debugMode)
8608 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
8609 yy_text, currentMoveString);
8610 fromX = currentMoveString[0] - AAA;
8611 fromY = currentMoveString[1] - ONE;
8612 toX = currentMoveString[2] - AAA;
8613 toY = currentMoveString[3] - ONE;
8614 promoChar = currentMoveString[4];
8619 if (appData.debugMode)
8620 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
8621 sprintf(move, _("Ambiguous move: %d.%s%s"),
8622 (forwardMostMove / 2) + 1,
8623 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8624 DisplayError(move, 0);
8629 case ImpossibleMove:
8630 if (appData.debugMode)
8631 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
8632 sprintf(move, _("Illegal move: %d.%s%s"),
8633 (forwardMostMove / 2) + 1,
8634 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8635 DisplayError(move, 0);
8641 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
8642 DrawPosition(FALSE, boards[currentMove]);
8643 DisplayBothClocks();
8644 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
8645 DisplayComment(currentMove - 1, commentList[currentMove]);
8647 (void) StopLoadGameTimer();
8649 cmailOldMove = forwardMostMove;
8652 /* currentMoveString is set as a side-effect of yylex */
8653 strcat(currentMoveString, "\n");
8654 strcpy(moveList[forwardMostMove], currentMoveString);
8656 thinkOutput[0] = NULLCHAR;
8657 MakeMove(fromX, fromY, toX, toY, promoChar);
8658 currentMove = forwardMostMove;
8663 /* Load the nth game from the given file */
8665 LoadGameFromFile(filename, n, title, useList)
8669 /*Boolean*/ int useList;
8674 if (strcmp(filename, "-") == 0) {
8678 f = fopen(filename, "rb");
8680 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
8681 DisplayError(buf, errno);
8685 if (fseek(f, 0, 0) == -1) {
8686 /* f is not seekable; probably a pipe */
8689 if (useList && n == 0) {
8690 int error = GameListBuild(f);
8692 DisplayError(_("Cannot build game list"), error);
8693 } else if (!ListEmpty(&gameList) &&
8694 ((ListGame *) gameList.tailPred)->number > 1) {
8695 GameListPopUp(f, title);
8702 return LoadGame(f, n, title, FALSE);
8707 MakeRegisteredMove()
8709 int fromX, fromY, toX, toY;
8711 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
8712 switch (cmailMoveType[lastLoadGameNumber - 1]) {
8715 if (appData.debugMode)
8716 fprintf(debugFP, "Restoring %s for game %d\n",
8717 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
8719 thinkOutput[0] = NULLCHAR;
8720 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
8721 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
8722 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
8723 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
8724 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
8725 promoChar = cmailMove[lastLoadGameNumber - 1][4];
8726 MakeMove(fromX, fromY, toX, toY, promoChar);
8727 ShowMove(fromX, fromY, toX, toY);
8729 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8730 EP_UNKNOWN, castlingRights[currentMove]) ) {
8737 if (WhiteOnMove(currentMove)) {
8738 GameEnds(BlackWins, "Black mates", GE_PLAYER);
8740 GameEnds(WhiteWins, "White mates", GE_PLAYER);
8745 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
8752 if (WhiteOnMove(currentMove)) {
8753 GameEnds(BlackWins, "White resigns", GE_PLAYER);
8755 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
8760 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
8771 /* Wrapper around LoadGame for use when a Cmail message is loaded */
8773 CmailLoadGame(f, gameNumber, title, useList)
8781 if (gameNumber > nCmailGames) {
8782 DisplayError(_("No more games in this message"), 0);
8785 if (f == lastLoadGameFP) {
8786 int offset = gameNumber - lastLoadGameNumber;
8788 cmailMsg[0] = NULLCHAR;
8789 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
8790 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
8791 nCmailMovesRegistered--;
8793 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
8794 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
8795 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
8798 if (! RegisterMove()) return FALSE;
8802 retVal = LoadGame(f, gameNumber, title, useList);
8804 /* Make move registered during previous look at this game, if any */
8805 MakeRegisteredMove();
8807 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
8808 commentList[currentMove]
8809 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
8810 DisplayComment(currentMove - 1, commentList[currentMove]);
8816 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
8821 int gameNumber = lastLoadGameNumber + offset;
8822 if (lastLoadGameFP == NULL) {
8823 DisplayError(_("No game has been loaded yet"), 0);
8826 if (gameNumber <= 0) {
8827 DisplayError(_("Can't back up any further"), 0);
8830 if (cmailMsgLoaded) {
8831 return CmailLoadGame(lastLoadGameFP, gameNumber,
8832 lastLoadGameTitle, lastLoadGameUseList);
8834 return LoadGame(lastLoadGameFP, gameNumber,
8835 lastLoadGameTitle, lastLoadGameUseList);
8841 /* Load the nth game from open file f */
8843 LoadGame(f, gameNumber, title, useList)
8851 int gn = gameNumber;
8852 ListGame *lg = NULL;
8855 GameMode oldGameMode;
8856 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
8858 if (appData.debugMode)
8859 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
8861 if (gameMode == Training )
8862 SetTrainingModeOff();
8864 oldGameMode = gameMode;
8865 if (gameMode != BeginningOfGame) {
8870 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
8871 fclose(lastLoadGameFP);
8875 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
8878 fseek(f, lg->offset, 0);
8879 GameListHighlight(gameNumber);
8883 DisplayError(_("Game number out of range"), 0);
8888 if (fseek(f, 0, 0) == -1) {
8889 if (f == lastLoadGameFP ?
8890 gameNumber == lastLoadGameNumber + 1 :
8894 DisplayError(_("Can't seek on game file"), 0);
8900 lastLoadGameNumber = gameNumber;
8901 strcpy(lastLoadGameTitle, title);
8902 lastLoadGameUseList = useList;
8906 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
8907 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
8908 lg->gameInfo.black);
8910 } else if (*title != NULLCHAR) {
8911 if (gameNumber > 1) {
8912 sprintf(buf, "%s %d", title, gameNumber);
8915 DisplayTitle(title);
8919 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
8920 gameMode = PlayFromGameFile;
8924 currentMove = forwardMostMove = backwardMostMove = 0;
8925 CopyBoard(boards[0], initialPosition);
8929 * Skip the first gn-1 games in the file.
8930 * Also skip over anything that precedes an identifiable
8931 * start of game marker, to avoid being confused by
8932 * garbage at the start of the file. Currently
8933 * recognized start of game markers are the move number "1",
8934 * the pattern "gnuchess .* game", the pattern
8935 * "^[#;%] [^ ]* game file", and a PGN tag block.
8936 * A game that starts with one of the latter two patterns
8937 * will also have a move number 1, possibly
8938 * following a position diagram.
8939 * 5-4-02: Let's try being more lenient and allowing a game to
8940 * start with an unnumbered move. Does that break anything?
8942 cm = lastLoadGameStart = (ChessMove) 0;
8944 yyboardindex = forwardMostMove;
8945 cm = (ChessMove) yylex();
8948 if (cmailMsgLoaded) {
8949 nCmailGames = CMAIL_MAX_GAMES - gn;
8952 DisplayError(_("Game not found in file"), 0);
8959 lastLoadGameStart = cm;
8963 switch (lastLoadGameStart) {
8970 gn--; /* count this game */
8971 lastLoadGameStart = cm;
8980 switch (lastLoadGameStart) {
8985 gn--; /* count this game */
8986 lastLoadGameStart = cm;
8989 lastLoadGameStart = cm; /* game counted already */
8997 yyboardindex = forwardMostMove;
8998 cm = (ChessMove) yylex();
8999 } while (cm == PGNTag || cm == Comment);
9006 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
9007 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
9008 != CMAIL_OLD_RESULT) {
9010 cmailResult[ CMAIL_MAX_GAMES
9011 - gn - 1] = CMAIL_OLD_RESULT;
9017 /* Only a NormalMove can be at the start of a game
9018 * without a position diagram. */
9019 if (lastLoadGameStart == (ChessMove) 0) {
9021 lastLoadGameStart = MoveNumberOne;
9030 if (appData.debugMode)
9031 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
9033 if (cm == XBoardGame) {
9034 /* Skip any header junk before position diagram and/or move 1 */
9036 yyboardindex = forwardMostMove;
9037 cm = (ChessMove) yylex();
9039 if (cm == (ChessMove) 0 ||
9040 cm == GNUChessGame || cm == XBoardGame) {
9041 /* Empty game; pretend end-of-file and handle later */
9046 if (cm == MoveNumberOne || cm == PositionDiagram ||
9047 cm == PGNTag || cm == Comment)
9050 } else if (cm == GNUChessGame) {
9051 if (gameInfo.event != NULL) {
9052 free(gameInfo.event);
9054 gameInfo.event = StrSave(yy_text);
9057 startedFromSetupPosition = FALSE;
9058 while (cm == PGNTag) {
9059 if (appData.debugMode)
9060 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
9061 err = ParsePGNTag(yy_text, &gameInfo);
9062 if (!err) numPGNTags++;
9064 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
9065 if(gameInfo.variant != oldVariant) {
9066 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
9068 oldVariant = gameInfo.variant;
9069 if (appData.debugMode)
9070 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
9074 if (gameInfo.fen != NULL) {
9075 Board initial_position;
9076 startedFromSetupPosition = TRUE;
9077 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
9079 DisplayError(_("Bad FEN position in file"), 0);
9082 CopyBoard(boards[0], initial_position);
9083 if (blackPlaysFirst) {
9084 currentMove = forwardMostMove = backwardMostMove = 1;
9085 CopyBoard(boards[1], initial_position);
9086 strcpy(moveList[0], "");
9087 strcpy(parseList[0], "");
9088 timeRemaining[0][1] = whiteTimeRemaining;
9089 timeRemaining[1][1] = blackTimeRemaining;
9090 if (commentList[0] != NULL) {
9091 commentList[1] = commentList[0];
9092 commentList[0] = NULL;
9095 currentMove = forwardMostMove = backwardMostMove = 0;
9097 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
9099 initialRulePlies = FENrulePlies;
9100 epStatus[forwardMostMove] = FENepStatus;
9101 for( i=0; i< nrCastlingRights; i++ )
9102 initialRights[i] = castlingRights[forwardMostMove][i] = FENcastlingRights[i];
9104 yyboardindex = forwardMostMove;
9106 gameInfo.fen = NULL;
9109 yyboardindex = forwardMostMove;
9110 cm = (ChessMove) yylex();
9112 /* Handle comments interspersed among the tags */
9113 while (cm == Comment) {
9115 if (appData.debugMode)
9116 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9118 if (*p == '{' || *p == '[' || *p == '(') {
9119 p[strlen(p) - 1] = NULLCHAR;
9122 while (*p == '\n') p++;
9123 AppendComment(currentMove, p);
9124 yyboardindex = forwardMostMove;
9125 cm = (ChessMove) yylex();
9129 /* don't rely on existence of Event tag since if game was
9130 * pasted from clipboard the Event tag may not exist
9132 if (numPGNTags > 0){
9134 if (gameInfo.variant == VariantNormal) {
9135 gameInfo.variant = StringToVariant(gameInfo.event);
9138 if( appData.autoDisplayTags ) {
9139 tags = PGNTags(&gameInfo);
9140 TagsPopUp(tags, CmailMsg());
9145 /* Make something up, but don't display it now */
9150 if (cm == PositionDiagram) {
9153 Board initial_position;
9155 if (appData.debugMode)
9156 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
9158 if (!startedFromSetupPosition) {
9160 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
9161 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
9171 initial_position[i][j++] = CharToPiece(*p);
9174 while (*p == ' ' || *p == '\t' ||
9175 *p == '\n' || *p == '\r') p++;
9177 if (strncmp(p, "black", strlen("black"))==0)
9178 blackPlaysFirst = TRUE;
9180 blackPlaysFirst = FALSE;
9181 startedFromSetupPosition = TRUE;
9183 CopyBoard(boards[0], initial_position);
9184 if (blackPlaysFirst) {
9185 currentMove = forwardMostMove = backwardMostMove = 1;
9186 CopyBoard(boards[1], initial_position);
9187 strcpy(moveList[0], "");
9188 strcpy(parseList[0], "");
9189 timeRemaining[0][1] = whiteTimeRemaining;
9190 timeRemaining[1][1] = blackTimeRemaining;
9191 if (commentList[0] != NULL) {
9192 commentList[1] = commentList[0];
9193 commentList[0] = NULL;
9196 currentMove = forwardMostMove = backwardMostMove = 0;
9199 yyboardindex = forwardMostMove;
9200 cm = (ChessMove) yylex();
9203 if (first.pr == NoProc) {
9204 StartChessProgram(&first);
9206 InitChessProgram(&first, FALSE);
9207 SendToProgram("force\n", &first);
9208 if (startedFromSetupPosition) {
9209 SendBoard(&first, forwardMostMove);
9210 if (appData.debugMode) {
9211 fprintf(debugFP, "Load Game\n");
9213 DisplayBothClocks();
9216 /* [HGM] server: flag to write setup moves in broadcast file as one */
9217 loadFlag = appData.suppressLoadMoves;
9219 while (cm == Comment) {
9221 if (appData.debugMode)
9222 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9224 if (*p == '{' || *p == '[' || *p == '(') {
9225 p[strlen(p) - 1] = NULLCHAR;
9228 while (*p == '\n') p++;
9229 AppendComment(currentMove, p);
9230 yyboardindex = forwardMostMove;
9231 cm = (ChessMove) yylex();
9234 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
9235 cm == WhiteWins || cm == BlackWins ||
9236 cm == GameIsDrawn || cm == GameUnfinished) {
9237 DisplayMessage("", _("No moves in game"));
9238 if (cmailMsgLoaded) {
9239 if (appData.debugMode)
9240 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
9244 DrawPosition(FALSE, boards[currentMove]);
9245 DisplayBothClocks();
9246 gameMode = EditGame;
9253 // [HGM] PV info: routine tests if comment empty
9254 if (!matchMode && (pausing || appData.timeDelay != 0)) {
9255 DisplayComment(currentMove - 1, commentList[currentMove]);
9257 if (!matchMode && appData.timeDelay != 0)
9258 DrawPosition(FALSE, boards[currentMove]);
9260 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
9261 programStats.ok_to_send = 1;
9264 /* if the first token after the PGN tags is a move
9265 * and not move number 1, retrieve it from the parser
9267 if (cm != MoveNumberOne)
9268 LoadGameOneMove(cm);
9270 /* load the remaining moves from the file */
9271 while (LoadGameOneMove((ChessMove)0)) {
9272 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9273 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9276 /* rewind to the start of the game */
9277 currentMove = backwardMostMove;
9279 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9281 if (oldGameMode == AnalyzeFile ||
9282 oldGameMode == AnalyzeMode) {
9286 if (matchMode || appData.timeDelay == 0) {
9288 gameMode = EditGame;
9290 } else if (appData.timeDelay > 0) {
9294 if (appData.debugMode)
9295 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
9297 loadFlag = 0; /* [HGM] true game starts */
9301 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
9303 ReloadPosition(offset)
9306 int positionNumber = lastLoadPositionNumber + offset;
9307 if (lastLoadPositionFP == NULL) {
9308 DisplayError(_("No position has been loaded yet"), 0);
9311 if (positionNumber <= 0) {
9312 DisplayError(_("Can't back up any further"), 0);
9315 return LoadPosition(lastLoadPositionFP, positionNumber,
9316 lastLoadPositionTitle);
9319 /* Load the nth position from the given file */
9321 LoadPositionFromFile(filename, n, title)
9329 if (strcmp(filename, "-") == 0) {
9330 return LoadPosition(stdin, n, "stdin");
9332 f = fopen(filename, "rb");
9334 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9335 DisplayError(buf, errno);
9338 return LoadPosition(f, n, title);
9343 /* Load the nth position from the given open file, and close it */
9345 LoadPosition(f, positionNumber, title)
9350 char *p, line[MSG_SIZ];
9351 Board initial_position;
9352 int i, j, fenMode, pn;
9354 if (gameMode == Training )
9355 SetTrainingModeOff();
9357 if (gameMode != BeginningOfGame) {
9360 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
9361 fclose(lastLoadPositionFP);
9363 if (positionNumber == 0) positionNumber = 1;
9364 lastLoadPositionFP = f;
9365 lastLoadPositionNumber = positionNumber;
9366 strcpy(lastLoadPositionTitle, title);
9367 if (first.pr == NoProc) {
9368 StartChessProgram(&first);
9369 InitChessProgram(&first, FALSE);
9371 pn = positionNumber;
9372 if (positionNumber < 0) {
9373 /* Negative position number means to seek to that byte offset */
9374 if (fseek(f, -positionNumber, 0) == -1) {
9375 DisplayError(_("Can't seek on position file"), 0);
9380 if (fseek(f, 0, 0) == -1) {
9381 if (f == lastLoadPositionFP ?
9382 positionNumber == lastLoadPositionNumber + 1 :
9383 positionNumber == 1) {
9386 DisplayError(_("Can't seek on position file"), 0);
9391 /* See if this file is FEN or old-style xboard */
9392 if (fgets(line, MSG_SIZ, f) == NULL) {
9393 DisplayError(_("Position not found in file"), 0);
9402 case 'p': case 'n': case 'b': case 'r': case 'q': case 'k':
9403 case 'P': case 'N': case 'B': case 'R': case 'Q': case 'K':
9404 case '1': case '2': case '3': case '4': case '5': case '6':
9405 case '7': case '8': case '9':
9406 case 'H': case 'A': case 'M': case 'h': case 'a': case 'm':
9407 case 'E': case 'F': case 'G': case 'e': case 'f': case 'g':
9408 case 'C': case 'W': case 'c': case 'w':
9413 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
9414 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
9418 if (fenMode || line[0] == '#') pn--;
9420 /* skip positions before number pn */
9421 if (fgets(line, MSG_SIZ, f) == NULL) {
9423 DisplayError(_("Position not found in file"), 0);
9426 if (fenMode || line[0] == '#') pn--;
9431 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
9432 DisplayError(_("Bad FEN position in file"), 0);
9436 (void) fgets(line, MSG_SIZ, f);
9437 (void) fgets(line, MSG_SIZ, f);
9439 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
9440 (void) fgets(line, MSG_SIZ, f);
9441 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
9444 initial_position[i][j++] = CharToPiece(*p);
9448 blackPlaysFirst = FALSE;
9450 (void) fgets(line, MSG_SIZ, f);
9451 if (strncmp(line, "black", strlen("black"))==0)
9452 blackPlaysFirst = TRUE;
9455 startedFromSetupPosition = TRUE;
9457 SendToProgram("force\n", &first);
9458 CopyBoard(boards[0], initial_position);
9459 if (blackPlaysFirst) {
9460 currentMove = forwardMostMove = backwardMostMove = 1;
9461 strcpy(moveList[0], "");
9462 strcpy(parseList[0], "");
9463 CopyBoard(boards[1], initial_position);
9464 DisplayMessage("", _("Black to play"));
9466 currentMove = forwardMostMove = backwardMostMove = 0;
9467 DisplayMessage("", _("White to play"));
9469 /* [HGM] copy FEN attributes as well */
9471 initialRulePlies = FENrulePlies;
9472 epStatus[forwardMostMove] = FENepStatus;
9473 for( i=0; i< nrCastlingRights; i++ )
9474 castlingRights[forwardMostMove][i] = FENcastlingRights[i];
9476 SendBoard(&first, forwardMostMove);
9477 if (appData.debugMode) {
9479 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", castlingRights[i][j]);fprintf(debugFP,"\n");}
9480 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
9481 fprintf(debugFP, "Load Position\n");
9484 if (positionNumber > 1) {
9485 sprintf(line, "%s %d", title, positionNumber);
9488 DisplayTitle(title);
9490 gameMode = EditGame;
9493 timeRemaining[0][1] = whiteTimeRemaining;
9494 timeRemaining[1][1] = blackTimeRemaining;
9495 DrawPosition(FALSE, boards[currentMove]);
9502 CopyPlayerNameIntoFileName(dest, src)
9505 while (*src != NULLCHAR && *src != ',') {
9510 *(*dest)++ = *src++;
9515 char *DefaultFileName(ext)
9518 static char def[MSG_SIZ];
9521 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
9523 CopyPlayerNameIntoFileName(&p, gameInfo.white);
9525 CopyPlayerNameIntoFileName(&p, gameInfo.black);
9534 /* Save the current game to the given file */
9536 SaveGameToFile(filename, append)
9543 if (strcmp(filename, "-") == 0) {
9544 return SaveGame(stdout, 0, NULL);
9546 f = fopen(filename, append ? "a" : "w");
9548 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9549 DisplayError(buf, errno);
9552 return SaveGame(f, 0, NULL);
9561 static char buf[MSG_SIZ];
9564 p = strchr(str, ' ');
9565 if (p == NULL) return str;
9566 strncpy(buf, str, p - str);
9567 buf[p - str] = NULLCHAR;
9571 #define PGN_MAX_LINE 75
9573 #define PGN_SIDE_WHITE 0
9574 #define PGN_SIDE_BLACK 1
9577 static int FindFirstMoveOutOfBook( int side )
9581 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
9582 int index = backwardMostMove;
9583 int has_book_hit = 0;
9585 if( (index % 2) != side ) {
9589 while( index < forwardMostMove ) {
9590 /* Check to see if engine is in book */
9591 int depth = pvInfoList[index].depth;
9592 int score = pvInfoList[index].score;
9598 else if( score == 0 && depth == 63 ) {
9599 in_book = 1; /* Zappa */
9601 else if( score == 2 && depth == 99 ) {
9602 in_book = 1; /* Abrok */
9605 has_book_hit += in_book;
9621 void GetOutOfBookInfo( char * buf )
9625 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9627 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
9628 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
9632 if( oob[0] >= 0 || oob[1] >= 0 ) {
9633 for( i=0; i<2; i++ ) {
9637 if( i > 0 && oob[0] >= 0 ) {
9641 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
9642 sprintf( buf+strlen(buf), "%s%.2f",
9643 pvInfoList[idx].score >= 0 ? "+" : "",
9644 pvInfoList[idx].score / 100.0 );
9650 /* Save game in PGN style and close the file */
9655 int i, offset, linelen, newblock;
9659 int movelen, numlen, blank;
9660 char move_buffer[100]; /* [AS] Buffer for move+PV info */
9662 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9664 tm = time((time_t *) NULL);
9666 PrintPGNTags(f, &gameInfo);
9668 if (backwardMostMove > 0 || startedFromSetupPosition) {
9669 char *fen = PositionToFEN(backwardMostMove, NULL);
9670 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
9671 fprintf(f, "\n{--------------\n");
9672 PrintPosition(f, backwardMostMove);
9673 fprintf(f, "--------------}\n");
9677 /* [AS] Out of book annotation */
9678 if( appData.saveOutOfBookInfo ) {
9681 GetOutOfBookInfo( buf );
9683 if( buf[0] != '\0' ) {
9684 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
9691 i = backwardMostMove;
9695 while (i < forwardMostMove) {
9696 /* Print comments preceding this move */
9697 if (commentList[i] != NULL) {
9698 if (linelen > 0) fprintf(f, "\n");
9699 fprintf(f, "{\n%s}\n", commentList[i]);
9704 /* Format move number */
9706 sprintf(numtext, "%d.", (i - offset)/2 + 1);
9709 sprintf(numtext, "%d...", (i - offset)/2 + 1);
9711 numtext[0] = NULLCHAR;
9714 numlen = strlen(numtext);
9717 /* Print move number */
9718 blank = linelen > 0 && numlen > 0;
9719 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
9728 fprintf(f, numtext);
9732 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
9733 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
9735 // SavePart already does this!
9736 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
9737 int p = movelen - 1;
9738 if(move_buffer[p] == ' ') p--;
9739 if(move_buffer[p] == ')') { // [HGM] pgn: strip off ICS time if we have extended info
9740 while(p && move_buffer[--p] != '(');
9741 if(p && move_buffer[p-1] == ' ') move_buffer[movelen=p-1] = 0;
9746 blank = linelen > 0 && movelen > 0;
9747 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
9756 fprintf(f, move_buffer);
9759 /* [AS] Add PV info if present */
9760 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
9761 /* [HGM] add time */
9762 char buf[MSG_SIZ]; int seconds = 0;
9765 if(i >= backwardMostMove) {
9767 seconds = timeRemaining[0][i] - timeRemaining[0][i+1]
9768 + GetTimeQuota(i/2) / (1000*WhitePlayer()->timeOdds);
9770 seconds = timeRemaining[1][i] - timeRemaining[1][i+1]
9771 + GetTimeQuota(i/2) / (1000*WhitePlayer()->other->timeOdds);
9773 seconds = (seconds+50)/100; // deci-seconds, rounded to nearest
9775 seconds = (pvInfoList[i].time + 5)/10; // [HGM] PVtime: use engine time
9778 if( seconds <= 0) buf[0] = 0; else
9779 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
9780 seconds = (seconds + 4)/10; // round to full seconds
9781 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
9782 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
9785 sprintf( move_buffer, "{%s%.2f/%d%s}",
9786 pvInfoList[i].score >= 0 ? "+" : "",
9787 pvInfoList[i].score / 100.0,
9788 pvInfoList[i].depth,
9791 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
9793 /* Print score/depth */
9794 blank = linelen > 0 && movelen > 0;
9795 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
9804 fprintf(f, move_buffer);
9811 /* Start a new line */
9812 if (linelen > 0) fprintf(f, "\n");
9814 /* Print comments after last move */
9815 if (commentList[i] != NULL) {
9816 fprintf(f, "{\n%s}\n", commentList[i]);
9820 if (gameInfo.resultDetails != NULL &&
9821 gameInfo.resultDetails[0] != NULLCHAR) {
9822 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
9823 PGNResult(gameInfo.result));
9825 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
9829 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
9833 /* Save game in old style and close the file */
9841 tm = time((time_t *) NULL);
9843 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
9846 if (backwardMostMove > 0 || startedFromSetupPosition) {
9847 fprintf(f, "\n[--------------\n");
9848 PrintPosition(f, backwardMostMove);
9849 fprintf(f, "--------------]\n");
9854 i = backwardMostMove;
9855 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9857 while (i < forwardMostMove) {
9858 if (commentList[i] != NULL) {
9859 fprintf(f, "[%s]\n", commentList[i]);
9863 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
9866 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
9868 if (commentList[i] != NULL) {
9872 if (i >= forwardMostMove) {
9876 fprintf(f, "%s\n", parseList[i]);
9881 if (commentList[i] != NULL) {
9882 fprintf(f, "[%s]\n", commentList[i]);
9885 /* This isn't really the old style, but it's close enough */
9886 if (gameInfo.resultDetails != NULL &&
9887 gameInfo.resultDetails[0] != NULLCHAR) {
9888 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
9889 gameInfo.resultDetails);
9891 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
9898 /* Save the current game to open file f and close the file */
9900 SaveGame(f, dummy, dummy2)
9905 if (gameMode == EditPosition) EditPositionDone();
9906 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
9907 if (appData.oldSaveStyle)
9908 return SaveGameOldStyle(f);
9910 return SaveGamePGN(f);
9913 /* Save the current position to the given file */
9915 SavePositionToFile(filename)
9921 if (strcmp(filename, "-") == 0) {
9922 return SavePosition(stdout, 0, NULL);
9924 f = fopen(filename, "a");
9926 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9927 DisplayError(buf, errno);
9930 SavePosition(f, 0, NULL);
9936 /* Save the current position to the given open file and close the file */
9938 SavePosition(f, dummy, dummy2)
9946 if (appData.oldSaveStyle) {
9947 tm = time((time_t *) NULL);
9949 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
9951 fprintf(f, "[--------------\n");
9952 PrintPosition(f, currentMove);
9953 fprintf(f, "--------------]\n");
9955 fen = PositionToFEN(currentMove, NULL);
9956 fprintf(f, "%s\n", fen);
9964 ReloadCmailMsgEvent(unregister)
9968 static char *inFilename = NULL;
9969 static char *outFilename;
9971 struct stat inbuf, outbuf;
9974 /* Any registered moves are unregistered if unregister is set, */
9975 /* i.e. invoked by the signal handler */
9977 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
9978 cmailMoveRegistered[i] = FALSE;
9979 if (cmailCommentList[i] != NULL) {
9980 free(cmailCommentList[i]);
9981 cmailCommentList[i] = NULL;
9984 nCmailMovesRegistered = 0;
9987 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
9988 cmailResult[i] = CMAIL_NOT_RESULT;
9992 if (inFilename == NULL) {
9993 /* Because the filenames are static they only get malloced once */
9994 /* and they never get freed */
9995 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
9996 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
9998 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
9999 sprintf(outFilename, "%s.out", appData.cmailGameName);
10002 status = stat(outFilename, &outbuf);
10004 cmailMailedMove = FALSE;
10006 status = stat(inFilename, &inbuf);
10007 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
10010 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
10011 counts the games, notes how each one terminated, etc.
10013 It would be nice to remove this kludge and instead gather all
10014 the information while building the game list. (And to keep it
10015 in the game list nodes instead of having a bunch of fixed-size
10016 parallel arrays.) Note this will require getting each game's
10017 termination from the PGN tags, as the game list builder does
10018 not process the game moves. --mann
10020 cmailMsgLoaded = TRUE;
10021 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
10023 /* Load first game in the file or popup game menu */
10024 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
10026 #endif /* !WIN32 */
10034 char string[MSG_SIZ];
10036 if ( cmailMailedMove
10037 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
10038 return TRUE; /* Allow free viewing */
10041 /* Unregister move to ensure that we don't leave RegisterMove */
10042 /* with the move registered when the conditions for registering no */
10044 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10045 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10046 nCmailMovesRegistered --;
10048 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
10050 free(cmailCommentList[lastLoadGameNumber - 1]);
10051 cmailCommentList[lastLoadGameNumber - 1] = NULL;
10055 if (cmailOldMove == -1) {
10056 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
10060 if (currentMove > cmailOldMove + 1) {
10061 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
10065 if (currentMove < cmailOldMove) {
10066 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
10070 if (forwardMostMove > currentMove) {
10071 /* Silently truncate extra moves */
10075 if ( (currentMove == cmailOldMove + 1)
10076 || ( (currentMove == cmailOldMove)
10077 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
10078 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
10079 if (gameInfo.result != GameUnfinished) {
10080 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
10083 if (commentList[currentMove] != NULL) {
10084 cmailCommentList[lastLoadGameNumber - 1]
10085 = StrSave(commentList[currentMove]);
10087 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
10089 if (appData.debugMode)
10090 fprintf(debugFP, "Saving %s for game %d\n",
10091 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10094 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
10096 f = fopen(string, "w");
10097 if (appData.oldSaveStyle) {
10098 SaveGameOldStyle(f); /* also closes the file */
10100 sprintf(string, "%s.pos.out", appData.cmailGameName);
10101 f = fopen(string, "w");
10102 SavePosition(f, 0, NULL); /* also closes the file */
10104 fprintf(f, "{--------------\n");
10105 PrintPosition(f, currentMove);
10106 fprintf(f, "--------------}\n\n");
10108 SaveGame(f, 0, NULL); /* also closes the file*/
10111 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
10112 nCmailMovesRegistered ++;
10113 } else if (nCmailGames == 1) {
10114 DisplayError(_("You have not made a move yet"), 0);
10125 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
10126 FILE *commandOutput;
10127 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
10128 int nBytes = 0; /* Suppress warnings on uninitialized variables */
10134 if (! cmailMsgLoaded) {
10135 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
10139 if (nCmailGames == nCmailResults) {
10140 DisplayError(_("No unfinished games"), 0);
10144 #if CMAIL_PROHIBIT_REMAIL
10145 if (cmailMailedMove) {
10146 sprintf(msg, _("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);
10147 DisplayError(msg, 0);
10152 if (! (cmailMailedMove || RegisterMove())) return;
10154 if ( cmailMailedMove
10155 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
10156 sprintf(string, partCommandString,
10157 appData.debugMode ? " -v" : "", appData.cmailGameName);
10158 commandOutput = popen(string, "r");
10160 if (commandOutput == NULL) {
10161 DisplayError(_("Failed to invoke cmail"), 0);
10163 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
10164 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
10166 if (nBuffers > 1) {
10167 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
10168 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
10169 nBytes = MSG_SIZ - 1;
10171 (void) memcpy(msg, buffer, nBytes);
10173 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
10175 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
10176 cmailMailedMove = TRUE; /* Prevent >1 moves */
10179 for (i = 0; i < nCmailGames; i ++) {
10180 if (cmailResult[i] == CMAIL_NOT_RESULT) {
10185 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
10187 sprintf(buffer, "%s/%s.%s.archive",
10189 appData.cmailGameName,
10191 LoadGameFromFile(buffer, 1, buffer, FALSE);
10192 cmailMsgLoaded = FALSE;
10196 DisplayInformation(msg);
10197 pclose(commandOutput);
10200 if ((*cmailMsg) != '\0') {
10201 DisplayInformation(cmailMsg);
10206 #endif /* !WIN32 */
10215 int prependComma = 0;
10217 char string[MSG_SIZ]; /* Space for game-list */
10220 if (!cmailMsgLoaded) return "";
10222 if (cmailMailedMove) {
10223 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
10225 /* Create a list of games left */
10226 sprintf(string, "[");
10227 for (i = 0; i < nCmailGames; i ++) {
10228 if (! ( cmailMoveRegistered[i]
10229 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
10230 if (prependComma) {
10231 sprintf(number, ",%d", i + 1);
10233 sprintf(number, "%d", i + 1);
10237 strcat(string, number);
10240 strcat(string, "]");
10242 if (nCmailMovesRegistered + nCmailResults == 0) {
10243 switch (nCmailGames) {
10246 _("Still need to make move for game\n"));
10251 _("Still need to make moves for both games\n"));
10256 _("Still need to make moves for all %d games\n"),
10261 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
10264 _("Still need to make a move for game %s\n"),
10269 if (nCmailResults == nCmailGames) {
10270 sprintf(cmailMsg, _("No unfinished games\n"));
10272 sprintf(cmailMsg, _("Ready to send mail\n"));
10278 _("Still need to make moves for games %s\n"),
10290 if (gameMode == Training)
10291 SetTrainingModeOff();
10294 cmailMsgLoaded = FALSE;
10295 if (appData.icsActive) {
10296 SendToICS(ics_prefix);
10297 SendToICS("refresh\n");
10307 /* Give up on clean exit */
10311 /* Keep trying for clean exit */
10315 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
10317 if (telnetISR != NULL) {
10318 RemoveInputSource(telnetISR);
10320 if (icsPR != NoProc) {
10321 DestroyChildProcess(icsPR, TRUE);
10324 /* Save game if resource set and not already saved by GameEnds() */
10325 if ((gameInfo.resultDetails == NULL || errorExitFlag )
10326 && forwardMostMove > 0) {
10327 if (*appData.saveGameFile != NULLCHAR) {
10328 SaveGameToFile(appData.saveGameFile, TRUE);
10329 } else if (appData.autoSaveGames) {
10332 if (*appData.savePositionFile != NULLCHAR) {
10333 SavePositionToFile(appData.savePositionFile);
10336 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
10338 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
10339 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
10341 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
10342 /* make sure this other one finishes before killing it! */
10343 if(endingGame) { int count = 0;
10344 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
10345 while(endingGame && count++ < 10) DoSleep(1);
10346 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
10349 /* Kill off chess programs */
10350 if (first.pr != NoProc) {
10353 DoSleep( appData.delayBeforeQuit );
10354 SendToProgram("quit\n", &first);
10355 DoSleep( appData.delayAfterQuit );
10356 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
10358 if (second.pr != NoProc) {
10359 DoSleep( appData.delayBeforeQuit );
10360 SendToProgram("quit\n", &second);
10361 DoSleep( appData.delayAfterQuit );
10362 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
10364 if (first.isr != NULL) {
10365 RemoveInputSource(first.isr);
10367 if (second.isr != NULL) {
10368 RemoveInputSource(second.isr);
10371 ShutDownFrontEnd();
10378 if (appData.debugMode)
10379 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
10383 if (gameMode == MachinePlaysWhite ||
10384 gameMode == MachinePlaysBlack) {
10387 DisplayBothClocks();
10389 if (gameMode == PlayFromGameFile) {
10390 if (appData.timeDelay >= 0)
10391 AutoPlayGameLoop();
10392 } else if (gameMode == IcsExamining && pauseExamInvalid) {
10393 Reset(FALSE, TRUE);
10394 SendToICS(ics_prefix);
10395 SendToICS("refresh\n");
10396 } else if (currentMove < forwardMostMove) {
10397 ForwardInner(forwardMostMove);
10399 pauseExamInvalid = FALSE;
10401 switch (gameMode) {
10405 pauseExamForwardMostMove = forwardMostMove;
10406 pauseExamInvalid = FALSE;
10409 case IcsPlayingWhite:
10410 case IcsPlayingBlack:
10414 case PlayFromGameFile:
10415 (void) StopLoadGameTimer();
10419 case BeginningOfGame:
10420 if (appData.icsActive) return;
10421 /* else fall through */
10422 case MachinePlaysWhite:
10423 case MachinePlaysBlack:
10424 case TwoMachinesPlay:
10425 if (forwardMostMove == 0)
10426 return; /* don't pause if no one has moved */
10427 if ((gameMode == MachinePlaysWhite &&
10428 !WhiteOnMove(forwardMostMove)) ||
10429 (gameMode == MachinePlaysBlack &&
10430 WhiteOnMove(forwardMostMove))) {
10443 char title[MSG_SIZ];
10445 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
10446 strcpy(title, _("Edit comment"));
10448 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
10449 WhiteOnMove(currentMove - 1) ? " " : ".. ",
10450 parseList[currentMove - 1]);
10453 EditCommentPopUp(currentMove, title, commentList[currentMove]);
10460 char *tags = PGNTags(&gameInfo);
10461 EditTagsPopUp(tags);
10468 if (appData.noChessProgram || gameMode == AnalyzeMode)
10471 if (gameMode != AnalyzeFile) {
10472 if (!appData.icsEngineAnalyze) {
10474 if (gameMode != EditGame) return;
10476 ResurrectChessProgram();
10477 SendToProgram("analyze\n", &first);
10478 first.analyzing = TRUE;
10479 /*first.maybeThinking = TRUE;*/
10480 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10481 AnalysisPopUp(_("Analysis"),
10482 _("Starting analysis mode...\nIf this message stays up, your chess program does not support analysis."));
10484 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
10489 StartAnalysisClock();
10490 GetTimeMark(&lastNodeCountTime);
10497 if (appData.noChessProgram || gameMode == AnalyzeFile)
10500 if (gameMode != AnalyzeMode) {
10502 if (gameMode != EditGame) return;
10503 ResurrectChessProgram();
10504 SendToProgram("analyze\n", &first);
10505 first.analyzing = TRUE;
10506 /*first.maybeThinking = TRUE;*/
10507 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10508 AnalysisPopUp(_("Analysis"),
10509 _("Starting analysis mode...\nIf this message stays up, your chess program does not support analysis."));
10511 gameMode = AnalyzeFile;
10516 StartAnalysisClock();
10517 GetTimeMark(&lastNodeCountTime);
10522 MachineWhiteEvent()
10525 char *bookHit = NULL;
10527 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
10531 if (gameMode == PlayFromGameFile ||
10532 gameMode == TwoMachinesPlay ||
10533 gameMode == Training ||
10534 gameMode == AnalyzeMode ||
10535 gameMode == EndOfGame)
10538 if (gameMode == EditPosition)
10539 EditPositionDone();
10541 if (!WhiteOnMove(currentMove)) {
10542 DisplayError(_("It is not White's turn"), 0);
10546 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10549 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10550 gameMode == AnalyzeFile)
10553 ResurrectChessProgram(); /* in case it isn't running */
10554 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
10555 gameMode = MachinePlaysWhite;
10558 gameMode = MachinePlaysWhite;
10562 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10564 if (first.sendName) {
10565 sprintf(buf, "name %s\n", gameInfo.black);
10566 SendToProgram(buf, &first);
10568 if (first.sendTime) {
10569 if (first.useColors) {
10570 SendToProgram("black\n", &first); /*gnu kludge*/
10572 SendTimeRemaining(&first, TRUE);
10574 if (first.useColors) {
10575 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
10577 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10578 SetMachineThinkingEnables();
10579 first.maybeThinking = TRUE;
10583 if (appData.autoFlipView && !flipView) {
10584 flipView = !flipView;
10585 DrawPosition(FALSE, NULL);
10586 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10589 if(bookHit) { // [HGM] book: simulate book reply
10590 static char bookMove[MSG_SIZ]; // a bit generous?
10592 programStats.nodes = programStats.depth = programStats.time =
10593 programStats.score = programStats.got_only_move = 0;
10594 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10596 strcpy(bookMove, "move ");
10597 strcat(bookMove, bookHit);
10598 HandleMachineMove(bookMove, &first);
10603 MachineBlackEvent()
10606 char *bookHit = NULL;
10608 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
10612 if (gameMode == PlayFromGameFile ||
10613 gameMode == TwoMachinesPlay ||
10614 gameMode == Training ||
10615 gameMode == AnalyzeMode ||
10616 gameMode == EndOfGame)
10619 if (gameMode == EditPosition)
10620 EditPositionDone();
10622 if (WhiteOnMove(currentMove)) {
10623 DisplayError(_("It is not Black's turn"), 0);
10627 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10630 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10631 gameMode == AnalyzeFile)
10634 ResurrectChessProgram(); /* in case it isn't running */
10635 gameMode = MachinePlaysBlack;
10639 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10641 if (first.sendName) {
10642 sprintf(buf, "name %s\n", gameInfo.white);
10643 SendToProgram(buf, &first);
10645 if (first.sendTime) {
10646 if (first.useColors) {
10647 SendToProgram("white\n", &first); /*gnu kludge*/
10649 SendTimeRemaining(&first, FALSE);
10651 if (first.useColors) {
10652 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
10654 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10655 SetMachineThinkingEnables();
10656 first.maybeThinking = TRUE;
10659 if (appData.autoFlipView && flipView) {
10660 flipView = !flipView;
10661 DrawPosition(FALSE, NULL);
10662 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10664 if(bookHit) { // [HGM] book: simulate book reply
10665 static char bookMove[MSG_SIZ]; // a bit generous?
10667 programStats.nodes = programStats.depth = programStats.time =
10668 programStats.score = programStats.got_only_move = 0;
10669 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10671 strcpy(bookMove, "move ");
10672 strcat(bookMove, bookHit);
10673 HandleMachineMove(bookMove, &first);
10679 DisplayTwoMachinesTitle()
10682 if (appData.matchGames > 0) {
10683 if (first.twoMachinesColor[0] == 'w') {
10684 sprintf(buf, "%s vs. %s (%d-%d-%d)",
10685 gameInfo.white, gameInfo.black,
10686 first.matchWins, second.matchWins,
10687 matchGame - 1 - (first.matchWins + second.matchWins));
10689 sprintf(buf, "%s vs. %s (%d-%d-%d)",
10690 gameInfo.white, gameInfo.black,
10691 second.matchWins, first.matchWins,
10692 matchGame - 1 - (first.matchWins + second.matchWins));
10695 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10701 TwoMachinesEvent P((void))
10705 ChessProgramState *onmove;
10706 char *bookHit = NULL;
10708 if (appData.noChessProgram) return;
10710 switch (gameMode) {
10711 case TwoMachinesPlay:
10713 case MachinePlaysWhite:
10714 case MachinePlaysBlack:
10715 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
10716 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
10720 case BeginningOfGame:
10721 case PlayFromGameFile:
10724 if (gameMode != EditGame) return;
10727 EditPositionDone();
10738 forwardMostMove = currentMove;
10739 ResurrectChessProgram(); /* in case first program isn't running */
10741 if (second.pr == NULL) {
10742 StartChessProgram(&second);
10743 if (second.protocolVersion == 1) {
10744 TwoMachinesEventIfReady();
10746 /* kludge: allow timeout for initial "feature" command */
10748 DisplayMessage("", _("Starting second chess program"));
10749 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
10753 DisplayMessage("", "");
10754 InitChessProgram(&second, FALSE);
10755 SendToProgram("force\n", &second);
10756 if (startedFromSetupPosition) {
10757 SendBoard(&second, backwardMostMove);
10758 if (appData.debugMode) {
10759 fprintf(debugFP, "Two Machines\n");
10762 for (i = backwardMostMove; i < forwardMostMove; i++) {
10763 SendMoveToProgram(i, &second);
10766 gameMode = TwoMachinesPlay;
10770 DisplayTwoMachinesTitle();
10772 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
10778 SendToProgram(first.computerString, &first);
10779 if (first.sendName) {
10780 sprintf(buf, "name %s\n", second.tidy);
10781 SendToProgram(buf, &first);
10783 SendToProgram(second.computerString, &second);
10784 if (second.sendName) {
10785 sprintf(buf, "name %s\n", first.tidy);
10786 SendToProgram(buf, &second);
10790 if (!first.sendTime || !second.sendTime) {
10791 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10792 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10794 if (onmove->sendTime) {
10795 if (onmove->useColors) {
10796 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
10798 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
10800 if (onmove->useColors) {
10801 SendToProgram(onmove->twoMachinesColor, onmove);
10803 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
10804 // SendToProgram("go\n", onmove);
10805 onmove->maybeThinking = TRUE;
10806 SetMachineThinkingEnables();
10810 if(bookHit) { // [HGM] book: simulate book reply
10811 static char bookMove[MSG_SIZ]; // a bit generous?
10813 programStats.nodes = programStats.depth = programStats.time =
10814 programStats.score = programStats.got_only_move = 0;
10815 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10817 strcpy(bookMove, "move ");
10818 strcat(bookMove, bookHit);
10819 HandleMachineMove(bookMove, &first);
10826 if (gameMode == Training) {
10827 SetTrainingModeOff();
10828 gameMode = PlayFromGameFile;
10829 DisplayMessage("", _("Training mode off"));
10831 gameMode = Training;
10832 animateTraining = appData.animate;
10834 /* make sure we are not already at the end of the game */
10835 if (currentMove < forwardMostMove) {
10836 SetTrainingModeOn();
10837 DisplayMessage("", _("Training mode on"));
10839 gameMode = PlayFromGameFile;
10840 DisplayError(_("Already at end of game"), 0);
10849 if (!appData.icsActive) return;
10850 switch (gameMode) {
10851 case IcsPlayingWhite:
10852 case IcsPlayingBlack:
10855 case BeginningOfGame:
10863 EditPositionDone();
10876 gameMode = IcsIdle;
10887 switch (gameMode) {
10889 SetTrainingModeOff();
10891 case MachinePlaysWhite:
10892 case MachinePlaysBlack:
10893 case BeginningOfGame:
10894 SendToProgram("force\n", &first);
10895 SetUserThinkingEnables();
10897 case PlayFromGameFile:
10898 (void) StopLoadGameTimer();
10899 if (gameFileFP != NULL) {
10904 EditPositionDone();
10909 SendToProgram("force\n", &first);
10911 case TwoMachinesPlay:
10912 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
10913 ResurrectChessProgram();
10914 SetUserThinkingEnables();
10917 ResurrectChessProgram();
10919 case IcsPlayingBlack:
10920 case IcsPlayingWhite:
10921 DisplayError(_("Warning: You are still playing a game"), 0);
10924 DisplayError(_("Warning: You are still observing a game"), 0);
10927 DisplayError(_("Warning: You are still examining a game"), 0);
10938 first.offeredDraw = second.offeredDraw = 0;
10940 if (gameMode == PlayFromGameFile) {
10941 whiteTimeRemaining = timeRemaining[0][currentMove];
10942 blackTimeRemaining = timeRemaining[1][currentMove];
10946 if (gameMode == MachinePlaysWhite ||
10947 gameMode == MachinePlaysBlack ||
10948 gameMode == TwoMachinesPlay ||
10949 gameMode == EndOfGame) {
10950 i = forwardMostMove;
10951 while (i > currentMove) {
10952 SendToProgram("undo\n", &first);
10955 whiteTimeRemaining = timeRemaining[0][currentMove];
10956 blackTimeRemaining = timeRemaining[1][currentMove];
10957 DisplayBothClocks();
10958 if (whiteFlag || blackFlag) {
10959 whiteFlag = blackFlag = 0;
10964 gameMode = EditGame;
10971 EditPositionEvent()
10973 if (gameMode == EditPosition) {
10979 if (gameMode != EditGame) return;
10981 gameMode = EditPosition;
10984 if (currentMove > 0)
10985 CopyBoard(boards[0], boards[currentMove]);
10987 blackPlaysFirst = !WhiteOnMove(currentMove);
10989 currentMove = forwardMostMove = backwardMostMove = 0;
10990 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10997 /* [DM] icsEngineAnalyze - possible call from other functions */
10998 if (appData.icsEngineAnalyze) {
10999 appData.icsEngineAnalyze = FALSE;
11001 DisplayMessage("",_("Close ICS engine analyze..."));
11003 if (first.analysisSupport && first.analyzing) {
11004 SendToProgram("exit\n", &first);
11005 first.analyzing = FALSE;
11008 thinkOutput[0] = NULLCHAR;
11014 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
11016 startedFromSetupPosition = TRUE;
11017 InitChessProgram(&first, FALSE);
11018 castlingRights[0][2] = castlingRights[0][5] = BOARD_WIDTH>>1;
11019 if(boards[0][0][BOARD_WIDTH>>1] == king) {
11020 castlingRights[0][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : -1;
11021 castlingRights[0][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : -1;
11022 } else castlingRights[0][2] = -1;
11023 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
11024 castlingRights[0][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : -1;
11025 castlingRights[0][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : -1;
11026 } else castlingRights[0][5] = -1;
11027 SendToProgram("force\n", &first);
11028 if (blackPlaysFirst) {
11029 strcpy(moveList[0], "");
11030 strcpy(parseList[0], "");
11031 currentMove = forwardMostMove = backwardMostMove = 1;
11032 CopyBoard(boards[1], boards[0]);
11033 /* [HGM] copy rights as well, as this code is also used after pasting a FEN */
11035 epStatus[1] = epStatus[0];
11036 for(i=0; i<nrCastlingRights; i++) castlingRights[1][i] = castlingRights[0][i];
11039 currentMove = forwardMostMove = backwardMostMove = 0;
11041 SendBoard(&first, forwardMostMove);
11042 if (appData.debugMode) {
11043 fprintf(debugFP, "EditPosDone\n");
11046 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11047 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11048 gameMode = EditGame;
11050 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11051 ClearHighlights(); /* [AS] */
11054 /* Pause for `ms' milliseconds */
11055 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11065 } while (SubtractTimeMarks(&m2, &m1) < ms);
11068 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11070 SendMultiLineToICS(buf)
11073 char temp[MSG_SIZ+1], *p;
11080 strncpy(temp, buf, len);
11085 if (*p == '\n' || *p == '\r')
11090 strcat(temp, "\n");
11092 SendToPlayer(temp, strlen(temp));
11096 SetWhiteToPlayEvent()
11098 if (gameMode == EditPosition) {
11099 blackPlaysFirst = FALSE;
11100 DisplayBothClocks(); /* works because currentMove is 0 */
11101 } else if (gameMode == IcsExamining) {
11102 SendToICS(ics_prefix);
11103 SendToICS("tomove white\n");
11108 SetBlackToPlayEvent()
11110 if (gameMode == EditPosition) {
11111 blackPlaysFirst = TRUE;
11112 currentMove = 1; /* kludge */
11113 DisplayBothClocks();
11115 } else if (gameMode == IcsExamining) {
11116 SendToICS(ics_prefix);
11117 SendToICS("tomove black\n");
11122 EditPositionMenuEvent(selection, x, y)
11123 ChessSquare selection;
11127 ChessSquare piece = boards[0][y][x];
11129 if (gameMode != EditPosition && gameMode != IcsExamining) return;
11131 switch (selection) {
11133 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
11134 SendToICS(ics_prefix);
11135 SendToICS("bsetup clear\n");
11136 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
11137 SendToICS(ics_prefix);
11138 SendToICS("clearboard\n");
11140 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
11141 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
11142 for (y = 0; y < BOARD_HEIGHT; y++) {
11143 if (gameMode == IcsExamining) {
11144 if (boards[currentMove][y][x] != EmptySquare) {
11145 sprintf(buf, "%sx@%c%c\n", ics_prefix,
11150 boards[0][y][x] = p;
11155 if (gameMode == EditPosition) {
11156 DrawPosition(FALSE, boards[0]);
11161 SetWhiteToPlayEvent();
11165 SetBlackToPlayEvent();
11169 if (gameMode == IcsExamining) {
11170 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
11173 boards[0][y][x] = EmptySquare;
11174 DrawPosition(FALSE, boards[0]);
11179 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
11180 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
11181 selection = (ChessSquare) (PROMOTED piece);
11182 } else if(piece == EmptySquare) selection = WhiteSilver;
11183 else selection = (ChessSquare)((int)piece - 1);
11187 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
11188 piece > (int)BlackMan && piece <= (int)BlackKing ) {
11189 selection = (ChessSquare) (DEMOTED piece);
11190 } else if(piece == EmptySquare) selection = BlackSilver;
11191 else selection = (ChessSquare)((int)piece + 1);
11196 if(gameInfo.variant == VariantShatranj ||
11197 gameInfo.variant == VariantXiangqi ||
11198 gameInfo.variant == VariantCourier )
11199 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
11204 if(gameInfo.variant == VariantXiangqi)
11205 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
11206 if(gameInfo.variant == VariantKnightmate)
11207 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
11210 if (gameMode == IcsExamining) {
11211 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
11212 PieceToChar(selection), AAA + x, ONE + y);
11215 boards[0][y][x] = selection;
11216 DrawPosition(FALSE, boards[0]);
11224 DropMenuEvent(selection, x, y)
11225 ChessSquare selection;
11228 ChessMove moveType;
11230 switch (gameMode) {
11231 case IcsPlayingWhite:
11232 case MachinePlaysBlack:
11233 if (!WhiteOnMove(currentMove)) {
11234 DisplayMoveError(_("It is Black's turn"));
11237 moveType = WhiteDrop;
11239 case IcsPlayingBlack:
11240 case MachinePlaysWhite:
11241 if (WhiteOnMove(currentMove)) {
11242 DisplayMoveError(_("It is White's turn"));
11245 moveType = BlackDrop;
11248 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
11254 if (moveType == BlackDrop && selection < BlackPawn) {
11255 selection = (ChessSquare) ((int) selection
11256 + (int) BlackPawn - (int) WhitePawn);
11258 if (boards[currentMove][y][x] != EmptySquare) {
11259 DisplayMoveError(_("That square is occupied"));
11263 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
11269 /* Accept a pending offer of any kind from opponent */
11271 if (appData.icsActive) {
11272 SendToICS(ics_prefix);
11273 SendToICS("accept\n");
11274 } else if (cmailMsgLoaded) {
11275 if (currentMove == cmailOldMove &&
11276 commentList[cmailOldMove] != NULL &&
11277 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11278 "Black offers a draw" : "White offers a draw")) {
11280 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11281 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11283 DisplayError(_("There is no pending offer on this move"), 0);
11284 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11287 /* Not used for offers from chess program */
11294 /* Decline a pending offer of any kind from opponent */
11296 if (appData.icsActive) {
11297 SendToICS(ics_prefix);
11298 SendToICS("decline\n");
11299 } else if (cmailMsgLoaded) {
11300 if (currentMove == cmailOldMove &&
11301 commentList[cmailOldMove] != NULL &&
11302 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11303 "Black offers a draw" : "White offers a draw")) {
11305 AppendComment(cmailOldMove, "Draw declined");
11306 DisplayComment(cmailOldMove - 1, "Draw declined");
11309 DisplayError(_("There is no pending offer on this move"), 0);
11312 /* Not used for offers from chess program */
11319 /* Issue ICS rematch command */
11320 if (appData.icsActive) {
11321 SendToICS(ics_prefix);
11322 SendToICS("rematch\n");
11329 /* Call your opponent's flag (claim a win on time) */
11330 if (appData.icsActive) {
11331 SendToICS(ics_prefix);
11332 SendToICS("flag\n");
11334 switch (gameMode) {
11337 case MachinePlaysWhite:
11340 GameEnds(GameIsDrawn, "Both players ran out of time",
11343 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
11345 DisplayError(_("Your opponent is not out of time"), 0);
11348 case MachinePlaysBlack:
11351 GameEnds(GameIsDrawn, "Both players ran out of time",
11354 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
11356 DisplayError(_("Your opponent is not out of time"), 0);
11366 /* Offer draw or accept pending draw offer from opponent */
11368 if (appData.icsActive) {
11369 /* Note: tournament rules require draw offers to be
11370 made after you make your move but before you punch
11371 your clock. Currently ICS doesn't let you do that;
11372 instead, you immediately punch your clock after making
11373 a move, but you can offer a draw at any time. */
11375 SendToICS(ics_prefix);
11376 SendToICS("draw\n");
11377 } else if (cmailMsgLoaded) {
11378 if (currentMove == cmailOldMove &&
11379 commentList[cmailOldMove] != NULL &&
11380 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11381 "Black offers a draw" : "White offers a draw")) {
11382 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11383 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11384 } else if (currentMove == cmailOldMove + 1) {
11385 char *offer = WhiteOnMove(cmailOldMove) ?
11386 "White offers a draw" : "Black offers a draw";
11387 AppendComment(currentMove, offer);
11388 DisplayComment(currentMove - 1, offer);
11389 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
11391 DisplayError(_("You must make your move before offering a draw"), 0);
11392 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11394 } else if (first.offeredDraw) {
11395 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
11397 if (first.sendDrawOffers) {
11398 SendToProgram("draw\n", &first);
11399 userOfferedDraw = TRUE;
11407 /* Offer Adjourn or accept pending Adjourn offer from opponent */
11409 if (appData.icsActive) {
11410 SendToICS(ics_prefix);
11411 SendToICS("adjourn\n");
11413 /* Currently GNU Chess doesn't offer or accept Adjourns */
11421 /* Offer Abort or accept pending Abort offer from opponent */
11423 if (appData.icsActive) {
11424 SendToICS(ics_prefix);
11425 SendToICS("abort\n");
11427 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
11434 /* Resign. You can do this even if it's not your turn. */
11436 if (appData.icsActive) {
11437 SendToICS(ics_prefix);
11438 SendToICS("resign\n");
11440 switch (gameMode) {
11441 case MachinePlaysWhite:
11442 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11444 case MachinePlaysBlack:
11445 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11448 if (cmailMsgLoaded) {
11450 if (WhiteOnMove(cmailOldMove)) {
11451 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11453 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11455 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
11466 StopObservingEvent()
11468 /* Stop observing current games */
11469 SendToICS(ics_prefix);
11470 SendToICS("unobserve\n");
11474 StopExaminingEvent()
11476 /* Stop observing current game */
11477 SendToICS(ics_prefix);
11478 SendToICS("unexamine\n");
11482 ForwardInner(target)
11487 if (appData.debugMode)
11488 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
11489 target, currentMove, forwardMostMove);
11491 if (gameMode == EditPosition)
11494 if (gameMode == PlayFromGameFile && !pausing)
11497 if (gameMode == IcsExamining && pausing)
11498 limit = pauseExamForwardMostMove;
11500 limit = forwardMostMove;
11502 if (target > limit) target = limit;
11504 if (target > 0 && moveList[target - 1][0]) {
11505 int fromX, fromY, toX, toY;
11506 toX = moveList[target - 1][2] - AAA;
11507 toY = moveList[target - 1][3] - ONE;
11508 if (moveList[target - 1][1] == '@') {
11509 if (appData.highlightLastMove) {
11510 SetHighlights(-1, -1, toX, toY);
11513 fromX = moveList[target - 1][0] - AAA;
11514 fromY = moveList[target - 1][1] - ONE;
11515 if (target == currentMove + 1) {
11516 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11518 if (appData.highlightLastMove) {
11519 SetHighlights(fromX, fromY, toX, toY);
11523 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11524 gameMode == Training || gameMode == PlayFromGameFile ||
11525 gameMode == AnalyzeFile) {
11526 while (currentMove < target) {
11527 SendMoveToProgram(currentMove++, &first);
11530 currentMove = target;
11533 if (gameMode == EditGame || gameMode == EndOfGame) {
11534 whiteTimeRemaining = timeRemaining[0][currentMove];
11535 blackTimeRemaining = timeRemaining[1][currentMove];
11537 DisplayBothClocks();
11538 DisplayMove(currentMove - 1);
11539 DrawPosition(FALSE, boards[currentMove]);
11540 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
11541 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
11542 DisplayComment(currentMove - 1, commentList[currentMove]);
11550 if (gameMode == IcsExamining && !pausing) {
11551 SendToICS(ics_prefix);
11552 SendToICS("forward\n");
11554 ForwardInner(currentMove + 1);
11561 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11562 /* to optimze, we temporarily turn off analysis mode while we feed
11563 * the remaining moves to the engine. Otherwise we get analysis output
11566 if (first.analysisSupport) {
11567 SendToProgram("exit\nforce\n", &first);
11568 first.analyzing = FALSE;
11572 if (gameMode == IcsExamining && !pausing) {
11573 SendToICS(ics_prefix);
11574 SendToICS("forward 999999\n");
11576 ForwardInner(forwardMostMove);
11579 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11580 /* we have fed all the moves, so reactivate analysis mode */
11581 SendToProgram("analyze\n", &first);
11582 first.analyzing = TRUE;
11583 /*first.maybeThinking = TRUE;*/
11584 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11589 BackwardInner(target)
11592 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
11594 if (appData.debugMode)
11595 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
11596 target, currentMove, forwardMostMove);
11598 if (gameMode == EditPosition) return;
11599 if (currentMove <= backwardMostMove) {
11601 DrawPosition(full_redraw, boards[currentMove]);
11604 if (gameMode == PlayFromGameFile && !pausing)
11607 if (moveList[target][0]) {
11608 int fromX, fromY, toX, toY;
11609 toX = moveList[target][2] - AAA;
11610 toY = moveList[target][3] - ONE;
11611 if (moveList[target][1] == '@') {
11612 if (appData.highlightLastMove) {
11613 SetHighlights(-1, -1, toX, toY);
11616 fromX = moveList[target][0] - AAA;
11617 fromY = moveList[target][1] - ONE;
11618 if (target == currentMove - 1) {
11619 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
11621 if (appData.highlightLastMove) {
11622 SetHighlights(fromX, fromY, toX, toY);
11626 if (gameMode == EditGame || gameMode==AnalyzeMode ||
11627 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
11628 while (currentMove > target) {
11629 SendToProgram("undo\n", &first);
11633 currentMove = target;
11636 if (gameMode == EditGame || gameMode == EndOfGame) {
11637 whiteTimeRemaining = timeRemaining[0][currentMove];
11638 blackTimeRemaining = timeRemaining[1][currentMove];
11640 DisplayBothClocks();
11641 DisplayMove(currentMove - 1);
11642 DrawPosition(full_redraw, boards[currentMove]);
11643 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
11644 // [HGM] PV info: routine tests if comment empty
11645 DisplayComment(currentMove - 1, commentList[currentMove]);
11651 if (gameMode == IcsExamining && !pausing) {
11652 SendToICS(ics_prefix);
11653 SendToICS("backward\n");
11655 BackwardInner(currentMove - 1);
11662 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11663 /* to optimze, we temporarily turn off analysis mode while we undo
11664 * all the moves. Otherwise we get analysis output after each undo.
11666 if (first.analysisSupport) {
11667 SendToProgram("exit\nforce\n", &first);
11668 first.analyzing = FALSE;
11672 if (gameMode == IcsExamining && !pausing) {
11673 SendToICS(ics_prefix);
11674 SendToICS("backward 999999\n");
11676 BackwardInner(backwardMostMove);
11679 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11680 /* we have fed all the moves, so reactivate analysis mode */
11681 SendToProgram("analyze\n", &first);
11682 first.analyzing = TRUE;
11683 /*first.maybeThinking = TRUE;*/
11684 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11691 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
11692 if (to >= forwardMostMove) to = forwardMostMove;
11693 if (to <= backwardMostMove) to = backwardMostMove;
11694 if (to < currentMove) {
11704 if (gameMode != IcsExamining) {
11705 DisplayError(_("You are not examining a game"), 0);
11709 DisplayError(_("You can't revert while pausing"), 0);
11712 SendToICS(ics_prefix);
11713 SendToICS("revert\n");
11719 switch (gameMode) {
11720 case MachinePlaysWhite:
11721 case MachinePlaysBlack:
11722 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11723 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11726 if (forwardMostMove < 2) return;
11727 currentMove = forwardMostMove = forwardMostMove - 2;
11728 whiteTimeRemaining = timeRemaining[0][currentMove];
11729 blackTimeRemaining = timeRemaining[1][currentMove];
11730 DisplayBothClocks();
11731 DisplayMove(currentMove - 1);
11732 ClearHighlights();/*!! could figure this out*/
11733 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
11734 SendToProgram("remove\n", &first);
11735 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
11738 case BeginningOfGame:
11742 case IcsPlayingWhite:
11743 case IcsPlayingBlack:
11744 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
11745 SendToICS(ics_prefix);
11746 SendToICS("takeback 2\n");
11748 SendToICS(ics_prefix);
11749 SendToICS("takeback 1\n");
11758 ChessProgramState *cps;
11760 switch (gameMode) {
11761 case MachinePlaysWhite:
11762 if (!WhiteOnMove(forwardMostMove)) {
11763 DisplayError(_("It is your turn"), 0);
11768 case MachinePlaysBlack:
11769 if (WhiteOnMove(forwardMostMove)) {
11770 DisplayError(_("It is your turn"), 0);
11775 case TwoMachinesPlay:
11776 if (WhiteOnMove(forwardMostMove) ==
11777 (first.twoMachinesColor[0] == 'w')) {
11783 case BeginningOfGame:
11787 SendToProgram("?\n", cps);
11791 TruncateGameEvent()
11794 if (gameMode != EditGame) return;
11801 if (forwardMostMove > currentMove) {
11802 if (gameInfo.resultDetails != NULL) {
11803 free(gameInfo.resultDetails);
11804 gameInfo.resultDetails = NULL;
11805 gameInfo.result = GameUnfinished;
11807 forwardMostMove = currentMove;
11808 HistorySet(parseList, backwardMostMove, forwardMostMove,
11816 if (appData.noChessProgram) return;
11817 switch (gameMode) {
11818 case MachinePlaysWhite:
11819 if (WhiteOnMove(forwardMostMove)) {
11820 DisplayError(_("Wait until your turn"), 0);
11824 case BeginningOfGame:
11825 case MachinePlaysBlack:
11826 if (!WhiteOnMove(forwardMostMove)) {
11827 DisplayError(_("Wait until your turn"), 0);
11832 DisplayError(_("No hint available"), 0);
11835 SendToProgram("hint\n", &first);
11836 hintRequested = TRUE;
11842 if (appData.noChessProgram) return;
11843 switch (gameMode) {
11844 case MachinePlaysWhite:
11845 if (WhiteOnMove(forwardMostMove)) {
11846 DisplayError(_("Wait until your turn"), 0);
11850 case BeginningOfGame:
11851 case MachinePlaysBlack:
11852 if (!WhiteOnMove(forwardMostMove)) {
11853 DisplayError(_("Wait until your turn"), 0);
11858 EditPositionDone();
11860 case TwoMachinesPlay:
11865 SendToProgram("bk\n", &first);
11866 bookOutput[0] = NULLCHAR;
11867 bookRequested = TRUE;
11873 char *tags = PGNTags(&gameInfo);
11874 TagsPopUp(tags, CmailMsg());
11878 /* end button procedures */
11881 PrintPosition(fp, move)
11887 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
11888 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
11889 char c = PieceToChar(boards[move][i][j]);
11890 fputc(c == 'x' ? '.' : c, fp);
11891 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
11894 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
11895 fprintf(fp, "white to play\n");
11897 fprintf(fp, "black to play\n");
11904 if (gameInfo.white != NULL) {
11905 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
11911 /* Find last component of program's own name, using some heuristics */
11913 TidyProgramName(prog, host, buf)
11914 char *prog, *host, buf[MSG_SIZ];
11917 int local = (strcmp(host, "localhost") == 0);
11918 while (!local && (p = strchr(prog, ';')) != NULL) {
11920 while (*p == ' ') p++;
11923 if (*prog == '"' || *prog == '\'') {
11924 q = strchr(prog + 1, *prog);
11926 q = strchr(prog, ' ');
11928 if (q == NULL) q = prog + strlen(prog);
11930 while (p >= prog && *p != '/' && *p != '\\') p--;
11932 if(p == prog && *p == '"') p++;
11933 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
11934 memcpy(buf, p, q - p);
11935 buf[q - p] = NULLCHAR;
11943 TimeControlTagValue()
11946 if (!appData.clockMode) {
11948 } else if (movesPerSession > 0) {
11949 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
11950 } else if (timeIncrement == 0) {
11951 sprintf(buf, "%ld", timeControl/1000);
11953 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
11955 return StrSave(buf);
11961 /* This routine is used only for certain modes */
11962 VariantClass v = gameInfo.variant;
11963 ClearGameInfo(&gameInfo);
11964 gameInfo.variant = v;
11966 switch (gameMode) {
11967 case MachinePlaysWhite:
11968 gameInfo.event = StrSave( appData.pgnEventHeader );
11969 gameInfo.site = StrSave(HostName());
11970 gameInfo.date = PGNDate();
11971 gameInfo.round = StrSave("-");
11972 gameInfo.white = StrSave(first.tidy);
11973 gameInfo.black = StrSave(UserName());
11974 gameInfo.timeControl = TimeControlTagValue();
11977 case MachinePlaysBlack:
11978 gameInfo.event = StrSave( appData.pgnEventHeader );
11979 gameInfo.site = StrSave(HostName());
11980 gameInfo.date = PGNDate();
11981 gameInfo.round = StrSave("-");
11982 gameInfo.white = StrSave(UserName());
11983 gameInfo.black = StrSave(first.tidy);
11984 gameInfo.timeControl = TimeControlTagValue();
11987 case TwoMachinesPlay:
11988 gameInfo.event = StrSave( appData.pgnEventHeader );
11989 gameInfo.site = StrSave(HostName());
11990 gameInfo.date = PGNDate();
11991 if (matchGame > 0) {
11993 sprintf(buf, "%d", matchGame);
11994 gameInfo.round = StrSave(buf);
11996 gameInfo.round = StrSave("-");
11998 if (first.twoMachinesColor[0] == 'w') {
11999 gameInfo.white = StrSave(first.tidy);
12000 gameInfo.black = StrSave(second.tidy);
12002 gameInfo.white = StrSave(second.tidy);
12003 gameInfo.black = StrSave(first.tidy);
12005 gameInfo.timeControl = TimeControlTagValue();
12009 gameInfo.event = StrSave("Edited game");
12010 gameInfo.site = StrSave(HostName());
12011 gameInfo.date = PGNDate();
12012 gameInfo.round = StrSave("-");
12013 gameInfo.white = StrSave("-");
12014 gameInfo.black = StrSave("-");
12018 gameInfo.event = StrSave("Edited position");
12019 gameInfo.site = StrSave(HostName());
12020 gameInfo.date = PGNDate();
12021 gameInfo.round = StrSave("-");
12022 gameInfo.white = StrSave("-");
12023 gameInfo.black = StrSave("-");
12026 case IcsPlayingWhite:
12027 case IcsPlayingBlack:
12032 case PlayFromGameFile:
12033 gameInfo.event = StrSave("Game from non-PGN file");
12034 gameInfo.site = StrSave(HostName());
12035 gameInfo.date = PGNDate();
12036 gameInfo.round = StrSave("-");
12037 gameInfo.white = StrSave("?");
12038 gameInfo.black = StrSave("?");
12047 ReplaceComment(index, text)
12053 while (*text == '\n') text++;
12054 len = strlen(text);
12055 while (len > 0 && text[len - 1] == '\n') len--;
12057 if (commentList[index] != NULL)
12058 free(commentList[index]);
12061 commentList[index] = NULL;
12064 commentList[index] = (char *) malloc(len + 2);
12065 strncpy(commentList[index], text, len);
12066 commentList[index][len] = '\n';
12067 commentList[index][len + 1] = NULLCHAR;
12080 if (ch == '\r') continue;
12082 } while (ch != '\0');
12086 AppendComment(index, text)
12093 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
12096 while (*text == '\n') text++;
12097 len = strlen(text);
12098 while (len > 0 && text[len - 1] == '\n') len--;
12100 if (len == 0) return;
12102 if (commentList[index] != NULL) {
12103 old = commentList[index];
12104 oldlen = strlen(old);
12105 commentList[index] = (char *) malloc(oldlen + len + 2);
12106 strcpy(commentList[index], old);
12108 strncpy(&commentList[index][oldlen], text, len);
12109 commentList[index][oldlen + len] = '\n';
12110 commentList[index][oldlen + len + 1] = NULLCHAR;
12112 commentList[index] = (char *) malloc(len + 2);
12113 strncpy(commentList[index], text, len);
12114 commentList[index][len] = '\n';
12115 commentList[index][len + 1] = NULLCHAR;
12119 static char * FindStr( char * text, char * sub_text )
12121 char * result = strstr( text, sub_text );
12123 if( result != NULL ) {
12124 result += strlen( sub_text );
12130 /* [AS] Try to extract PV info from PGN comment */
12131 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
12132 char *GetInfoFromComment( int index, char * text )
12136 if( text != NULL && index > 0 ) {
12139 int time = -1, sec = 0, deci;
12140 char * s_eval = FindStr( text, "[%eval " );
12141 char * s_emt = FindStr( text, "[%emt " );
12143 if( s_eval != NULL || s_emt != NULL ) {
12147 if( s_eval != NULL ) {
12148 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
12152 if( delim != ']' ) {
12157 if( s_emt != NULL ) {
12161 /* We expect something like: [+|-]nnn.nn/dd */
12164 sep = strchr( text, '/' );
12165 if( sep == NULL || sep < (text+4) ) {
12169 time = -1; sec = -1; deci = -1;
12170 if( sscanf( text, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
12171 sscanf( text, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
12172 sscanf( text, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
12173 sscanf( text, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
12177 if( score_lo < 0 || score_lo >= 100 ) {
12181 if(sec >= 0) time = 600*time + 10*sec; else
12182 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
12184 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
12186 /* [HGM] PV time: now locate end of PV info */
12187 while( *++sep >= '0' && *sep <= '9'); // strip depth
12189 while( *++sep >= '0' && *sep <= '9'); // strip time
12191 while( *++sep >= '0' && *sep <= '9'); // strip seconds
12193 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
12194 while(*sep == ' ') sep++;
12205 pvInfoList[index-1].depth = depth;
12206 pvInfoList[index-1].score = score;
12207 pvInfoList[index-1].time = 10*time; // centi-sec
12213 SendToProgram(message, cps)
12215 ChessProgramState *cps;
12217 int count, outCount, error;
12220 if (cps->pr == NULL) return;
12223 if (appData.debugMode) {
12226 fprintf(debugFP, "%ld >%-6s: %s",
12227 SubtractTimeMarks(&now, &programStartTime),
12228 cps->which, message);
12231 count = strlen(message);
12232 outCount = OutputToProcess(cps->pr, message, count, &error);
12233 if (outCount < count && !exiting
12234 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
12235 sprintf(buf, _("Error writing to %s chess program"), cps->which);
12236 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12237 if(epStatus[forwardMostMove] <= EP_DRAWS) {
12238 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12239 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
12241 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12243 gameInfo.resultDetails = buf;
12245 DisplayFatalError(buf, error, 1);
12250 ReceiveFromProgram(isr, closure, message, count, error)
12251 InputSourceRef isr;
12259 ChessProgramState *cps = (ChessProgramState *)closure;
12261 if (isr != cps->isr) return; /* Killed intentionally */
12265 _("Error: %s chess program (%s) exited unexpectedly"),
12266 cps->which, cps->program);
12267 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12268 if(epStatus[forwardMostMove] <= EP_DRAWS) {
12269 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12270 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
12272 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12274 gameInfo.resultDetails = buf;
12276 RemoveInputSource(cps->isr);
12277 DisplayFatalError(buf, 0, 1);
12280 _("Error reading from %s chess program (%s)"),
12281 cps->which, cps->program);
12282 RemoveInputSource(cps->isr);
12284 /* [AS] Program is misbehaving badly... kill it */
12285 if( count == -2 ) {
12286 DestroyChildProcess( cps->pr, 9 );
12290 DisplayFatalError(buf, error, 1);
12295 if ((end_str = strchr(message, '\r')) != NULL)
12296 *end_str = NULLCHAR;
12297 if ((end_str = strchr(message, '\n')) != NULL)
12298 *end_str = NULLCHAR;
12300 if (appData.debugMode) {
12301 TimeMark now; int print = 1;
12302 char *quote = ""; char c; int i;
12304 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
12305 char start = message[0];
12306 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
12307 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
12308 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
12309 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
12310 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
12311 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
12312 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
12313 sscanf(message, "pong %c", &c)!=1 && start != '#')
12314 { quote = "# "; print = (appData.engineComments == 2); }
12315 message[0] = start; // restore original message
12319 fprintf(debugFP, "%ld <%-6s: %s%s\n",
12320 SubtractTimeMarks(&now, &programStartTime), cps->which,
12326 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
12327 if (appData.icsEngineAnalyze) {
12328 if (strstr(message, "whisper") != NULL ||
12329 strstr(message, "kibitz") != NULL ||
12330 strstr(message, "tellics") != NULL) return;
12333 HandleMachineMove(message, cps);
12338 SendTimeControl(cps, mps, tc, inc, sd, st)
12339 ChessProgramState *cps;
12340 int mps, inc, sd, st;
12346 if( timeControl_2 > 0 ) {
12347 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
12348 tc = timeControl_2;
12351 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
12352 inc /= cps->timeOdds;
12353 st /= cps->timeOdds;
12355 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
12358 /* Set exact time per move, normally using st command */
12359 if (cps->stKludge) {
12360 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
12362 if (seconds == 0) {
12363 sprintf(buf, "level 1 %d\n", st/60);
12365 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
12368 sprintf(buf, "st %d\n", st);
12371 /* Set conventional or incremental time control, using level command */
12372 if (seconds == 0) {
12373 /* Note old gnuchess bug -- minutes:seconds used to not work.
12374 Fixed in later versions, but still avoid :seconds
12375 when seconds is 0. */
12376 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
12378 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
12379 seconds, inc/1000);
12382 SendToProgram(buf, cps);
12384 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
12385 /* Orthogonally, limit search to given depth */
12387 if (cps->sdKludge) {
12388 sprintf(buf, "depth\n%d\n", sd);
12390 sprintf(buf, "sd %d\n", sd);
12392 SendToProgram(buf, cps);
12395 if(cps->nps > 0) { /* [HGM] nps */
12396 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
12398 sprintf(buf, "nps %d\n", cps->nps);
12399 SendToProgram(buf, cps);
12404 ChessProgramState *WhitePlayer()
12405 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
12407 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
12408 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
12414 SendTimeRemaining(cps, machineWhite)
12415 ChessProgramState *cps;
12416 int /*boolean*/ machineWhite;
12418 char message[MSG_SIZ];
12421 /* Note: this routine must be called when the clocks are stopped
12422 or when they have *just* been set or switched; otherwise
12423 it will be off by the time since the current tick started.
12425 if (machineWhite) {
12426 time = whiteTimeRemaining / 10;
12427 otime = blackTimeRemaining / 10;
12429 time = blackTimeRemaining / 10;
12430 otime = whiteTimeRemaining / 10;
12432 /* [HGM] translate opponent's time by time-odds factor */
12433 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
12434 if (appData.debugMode) {
12435 fprintf(debugFP, "time odds: %d %d \n", cps->timeOdds, cps->other->timeOdds);
12438 if (time <= 0) time = 1;
12439 if (otime <= 0) otime = 1;
12441 sprintf(message, "time %ld\n", time);
12442 SendToProgram(message, cps);
12444 sprintf(message, "otim %ld\n", otime);
12445 SendToProgram(message, cps);
12449 BoolFeature(p, name, loc, cps)
12453 ChessProgramState *cps;
12456 int len = strlen(name);
12458 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12460 sscanf(*p, "%d", &val);
12462 while (**p && **p != ' ') (*p)++;
12463 sprintf(buf, "accepted %s\n", name);
12464 SendToProgram(buf, cps);
12471 IntFeature(p, name, loc, cps)
12475 ChessProgramState *cps;
12478 int len = strlen(name);
12479 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12481 sscanf(*p, "%d", loc);
12482 while (**p && **p != ' ') (*p)++;
12483 sprintf(buf, "accepted %s\n", name);
12484 SendToProgram(buf, cps);
12491 StringFeature(p, name, loc, cps)
12495 ChessProgramState *cps;
12498 int len = strlen(name);
12499 if (strncmp((*p), name, len) == 0
12500 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
12502 sscanf(*p, "%[^\"]", loc);
12503 while (**p && **p != '\"') (*p)++;
12504 if (**p == '\"') (*p)++;
12505 sprintf(buf, "accepted %s\n", name);
12506 SendToProgram(buf, cps);
12513 ParseOption(Option *opt, ChessProgramState *cps)
12514 // [HGM] options: process the string that defines an engine option, and determine
12515 // name, type, default value, and allowed value range
12517 char *p, *q, buf[MSG_SIZ];
12518 int n, min = (-1)<<31, max = 1<<31, def;
12520 if(p = strstr(opt->name, " -spin ")) {
12521 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
12522 if(max < min) max = min; // enforce consistency
12523 if(def < min) def = min;
12524 if(def > max) def = max;
12529 } else if((p = strstr(opt->name, " -slider "))) {
12530 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
12531 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
12532 if(max < min) max = min; // enforce consistency
12533 if(def < min) def = min;
12534 if(def > max) def = max;
12538 opt->type = Spin; // Slider;
12539 } else if((p = strstr(opt->name, " -string "))) {
12540 opt->textValue = p+9;
12541 opt->type = TextBox;
12542 } else if((p = strstr(opt->name, " -file "))) {
12543 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
12544 opt->textValue = p+7;
12545 opt->type = TextBox; // FileName;
12546 } else if((p = strstr(opt->name, " -path "))) {
12547 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
12548 opt->textValue = p+7;
12549 opt->type = TextBox; // PathName;
12550 } else if(p = strstr(opt->name, " -check ")) {
12551 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
12552 opt->value = (def != 0);
12553 opt->type = CheckBox;
12554 } else if(p = strstr(opt->name, " -combo ")) {
12555 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
12556 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
12557 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
12558 opt->value = n = 0;
12559 while(q = StrStr(q, " /// ")) {
12560 n++; *q = 0; // count choices, and null-terminate each of them
12562 if(*q == '*') { // remember default, which is marked with * prefix
12566 cps->comboList[cps->comboCnt++] = q;
12568 cps->comboList[cps->comboCnt++] = NULL;
12570 opt->type = ComboBox;
12571 } else if(p = strstr(opt->name, " -button")) {
12572 opt->type = Button;
12573 } else if(p = strstr(opt->name, " -save")) {
12574 opt->type = SaveButton;
12575 } else return FALSE;
12576 *p = 0; // terminate option name
12577 // now look if the command-line options define a setting for this engine option.
12578 if(cps->optionSettings && cps->optionSettings[0])
12579 p = strstr(cps->optionSettings, opt->name); else p = NULL;
12580 if(p && (p == cps->optionSettings || p[-1] == ',')) {
12581 sprintf(buf, "option %s", p);
12582 if(p = strstr(buf, ",")) *p = 0;
12584 SendToProgram(buf, cps);
12590 FeatureDone(cps, val)
12591 ChessProgramState* cps;
12594 DelayedEventCallback cb = GetDelayedEvent();
12595 if ((cb == InitBackEnd3 && cps == &first) ||
12596 (cb == TwoMachinesEventIfReady && cps == &second)) {
12597 CancelDelayedEvent();
12598 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
12600 cps->initDone = val;
12603 /* Parse feature command from engine */
12605 ParseFeatures(args, cps)
12607 ChessProgramState *cps;
12615 while (*p == ' ') p++;
12616 if (*p == NULLCHAR) return;
12618 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
12619 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
12620 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
12621 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
12622 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
12623 if (BoolFeature(&p, "reuse", &val, cps)) {
12624 /* Engine can disable reuse, but can't enable it if user said no */
12625 if (!val) cps->reuse = FALSE;
12628 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
12629 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
12630 if (gameMode == TwoMachinesPlay) {
12631 DisplayTwoMachinesTitle();
12637 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
12638 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
12639 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
12640 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
12641 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
12642 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
12643 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
12644 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
12645 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
12646 if (IntFeature(&p, "done", &val, cps)) {
12647 FeatureDone(cps, val);
12650 /* Added by Tord: */
12651 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
12652 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
12653 /* End of additions by Tord */
12655 /* [HGM] added features: */
12656 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
12657 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
12658 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
12659 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
12660 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
12661 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
12662 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
12663 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
12664 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
12665 SendToProgram(buf, cps);
12668 if(cps->nrOptions >= MAX_OPTIONS) {
12670 sprintf(buf, "%s engine has too many options\n", cps->which);
12671 DisplayError(buf, 0);
12675 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
12676 /* End of additions by HGM */
12678 /* unknown feature: complain and skip */
12680 while (*q && *q != '=') q++;
12681 sprintf(buf, "rejected %.*s\n", q-p, p);
12682 SendToProgram(buf, cps);
12688 while (*p && *p != '\"') p++;
12689 if (*p == '\"') p++;
12691 while (*p && *p != ' ') p++;
12699 PeriodicUpdatesEvent(newState)
12702 if (newState == appData.periodicUpdates)
12705 appData.periodicUpdates=newState;
12707 /* Display type changes, so update it now */
12710 /* Get the ball rolling again... */
12712 AnalysisPeriodicEvent(1);
12713 StartAnalysisClock();
12718 PonderNextMoveEvent(newState)
12721 if (newState == appData.ponderNextMove) return;
12722 if (gameMode == EditPosition) EditPositionDone();
12724 SendToProgram("hard\n", &first);
12725 if (gameMode == TwoMachinesPlay) {
12726 SendToProgram("hard\n", &second);
12729 SendToProgram("easy\n", &first);
12730 thinkOutput[0] = NULLCHAR;
12731 if (gameMode == TwoMachinesPlay) {
12732 SendToProgram("easy\n", &second);
12735 appData.ponderNextMove = newState;
12739 NewSettingEvent(option, command, value)
12745 if (gameMode == EditPosition) EditPositionDone();
12746 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
12747 SendToProgram(buf, &first);
12748 if (gameMode == TwoMachinesPlay) {
12749 SendToProgram(buf, &second);
12754 ShowThinkingEvent()
12755 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
12757 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
12758 int newState = appData.showThinking
12759 // [HGM] thinking: other features now need thinking output as well
12760 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
12762 if (oldState == newState) return;
12763 oldState = newState;
12764 if (gameMode == EditPosition) EditPositionDone();
12766 SendToProgram("post\n", &first);
12767 if (gameMode == TwoMachinesPlay) {
12768 SendToProgram("post\n", &second);
12771 SendToProgram("nopost\n", &first);
12772 thinkOutput[0] = NULLCHAR;
12773 if (gameMode == TwoMachinesPlay) {
12774 SendToProgram("nopost\n", &second);
12777 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
12781 AskQuestionEvent(title, question, replyPrefix, which)
12782 char *title; char *question; char *replyPrefix; char *which;
12784 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
12785 if (pr == NoProc) return;
12786 AskQuestion(title, question, replyPrefix, pr);
12790 DisplayMove(moveNumber)
12793 char message[MSG_SIZ];
12795 char cpThinkOutput[MSG_SIZ];
12797 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
12799 if (moveNumber == forwardMostMove - 1 ||
12800 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12802 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
12804 if (strchr(cpThinkOutput, '\n')) {
12805 *strchr(cpThinkOutput, '\n') = NULLCHAR;
12808 *cpThinkOutput = NULLCHAR;
12811 /* [AS] Hide thinking from human user */
12812 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
12813 *cpThinkOutput = NULLCHAR;
12814 if( thinkOutput[0] != NULLCHAR ) {
12817 for( i=0; i<=hiddenThinkOutputState; i++ ) {
12818 cpThinkOutput[i] = '.';
12820 cpThinkOutput[i] = NULLCHAR;
12821 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
12825 if (moveNumber == forwardMostMove - 1 &&
12826 gameInfo.resultDetails != NULL) {
12827 if (gameInfo.resultDetails[0] == NULLCHAR) {
12828 sprintf(res, " %s", PGNResult(gameInfo.result));
12830 sprintf(res, " {%s} %s",
12831 gameInfo.resultDetails, PGNResult(gameInfo.result));
12837 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
12838 DisplayMessage(res, cpThinkOutput);
12840 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
12841 WhiteOnMove(moveNumber) ? " " : ".. ",
12842 parseList[moveNumber], res);
12843 DisplayMessage(message, cpThinkOutput);
12848 DisplayAnalysisText(text)
12853 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile
12854 || appData.icsEngineAnalyze) {
12855 sprintf(buf, "Analysis (%s)", first.tidy);
12856 AnalysisPopUp(buf, text);
12864 while (*str && isspace(*str)) ++str;
12865 while (*str && !isspace(*str)) ++str;
12866 if (!*str) return 1;
12867 while (*str && isspace(*str)) ++str;
12868 if (!*str) return 1;
12876 char lst[MSG_SIZ / 2];
12878 static char *xtra[] = { "", " (--)", " (++)" };
12881 if (programStats.time == 0) {
12882 programStats.time = 1;
12885 if (programStats.got_only_move) {
12886 safeStrCpy(buf, programStats.movelist, sizeof(buf));
12888 safeStrCpy( lst, programStats.movelist, sizeof(lst));
12890 nps = (u64ToDouble(programStats.nodes) /
12891 ((double)programStats.time /100.0));
12893 cs = programStats.time % 100;
12894 s = programStats.time / 100;
12900 if (programStats.moves_left > 0 && appData.periodicUpdates) {
12901 if (programStats.move_name[0] != NULLCHAR) {
12902 sprintf(buf, "depth=%d %d/%d(%s) %+.2f %s%s\nNodes: " u64Display " NPS: %d\nTime: %02d:%02d:%02d.%02d",
12903 programStats.depth,
12904 programStats.nr_moves-programStats.moves_left,
12905 programStats.nr_moves, programStats.move_name,
12906 ((float)programStats.score)/100.0, lst,
12907 only_one_move(lst)?
12908 xtra[programStats.got_fail] : "",
12909 (u64)programStats.nodes, (int)nps, h, m, s, cs);
12911 sprintf(buf, "depth=%d %d/%d %+.2f %s%s\nNodes: " u64Display " NPS: %d\nTime: %02d:%02d:%02d.%02d",
12912 programStats.depth,
12913 programStats.nr_moves-programStats.moves_left,
12914 programStats.nr_moves, ((float)programStats.score)/100.0,
12916 only_one_move(lst)?
12917 xtra[programStats.got_fail] : "",
12918 (u64)programStats.nodes, (int)nps, h, m, s, cs);
12921 sprintf(buf, "depth=%d %+.2f %s%s\nNodes: " u64Display " NPS: %d\nTime: %02d:%02d:%02d.%02d",
12922 programStats.depth,
12923 ((float)programStats.score)/100.0,
12925 only_one_move(lst)?
12926 xtra[programStats.got_fail] : "",
12927 (u64)programStats.nodes, (int)nps, h, m, s, cs);
12930 DisplayAnalysisText(buf);
12934 DisplayComment(moveNumber, text)
12938 char title[MSG_SIZ];
12939 char buf[8000]; // comment can be long!
12942 if( appData.autoDisplayComment ) {
12943 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
12944 strcpy(title, "Comment");
12946 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
12947 WhiteOnMove(moveNumber) ? " " : ".. ",
12948 parseList[moveNumber]);
12950 // [HGM] PV info: display PV info together with (or as) comment
12951 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
12952 if(text == NULL) text = "";
12953 score = pvInfoList[moveNumber].score;
12954 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
12955 depth, (pvInfoList[moveNumber].time+50)/100, text);
12958 } else title[0] = 0;
12961 CommentPopUp(title, text);
12964 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
12965 * might be busy thinking or pondering. It can be omitted if your
12966 * gnuchess is configured to stop thinking immediately on any user
12967 * input. However, that gnuchess feature depends on the FIONREAD
12968 * ioctl, which does not work properly on some flavors of Unix.
12972 ChessProgramState *cps;
12975 if (!cps->useSigint) return;
12976 if (appData.noChessProgram || (cps->pr == NoProc)) return;
12977 switch (gameMode) {
12978 case MachinePlaysWhite:
12979 case MachinePlaysBlack:
12980 case TwoMachinesPlay:
12981 case IcsPlayingWhite:
12982 case IcsPlayingBlack:
12985 /* Skip if we know it isn't thinking */
12986 if (!cps->maybeThinking) return;
12987 if (appData.debugMode)
12988 fprintf(debugFP, "Interrupting %s\n", cps->which);
12989 InterruptChildProcess(cps->pr);
12990 cps->maybeThinking = FALSE;
12995 #endif /*ATTENTION*/
13001 if (whiteTimeRemaining <= 0) {
13004 if (appData.icsActive) {
13005 if (appData.autoCallFlag &&
13006 gameMode == IcsPlayingBlack && !blackFlag) {
13007 SendToICS(ics_prefix);
13008 SendToICS("flag\n");
13012 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13014 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
13015 if (appData.autoCallFlag) {
13016 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
13023 if (blackTimeRemaining <= 0) {
13026 if (appData.icsActive) {
13027 if (appData.autoCallFlag &&
13028 gameMode == IcsPlayingWhite && !whiteFlag) {
13029 SendToICS(ics_prefix);
13030 SendToICS("flag\n");
13034 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13036 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
13037 if (appData.autoCallFlag) {
13038 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
13051 if (!appData.clockMode || appData.icsActive ||
13052 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
13055 * add time to clocks when time control is achieved ([HGM] now also used for increment)
13057 if ( !WhiteOnMove(forwardMostMove) )
13058 /* White made time control */
13059 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13060 /* [HGM] time odds: correct new time quota for time odds! */
13061 / WhitePlayer()->timeOdds;
13063 /* Black made time control */
13064 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13065 / WhitePlayer()->other->timeOdds;
13069 DisplayBothClocks()
13071 int wom = gameMode == EditPosition ?
13072 !blackPlaysFirst : WhiteOnMove(currentMove);
13073 DisplayWhiteClock(whiteTimeRemaining, wom);
13074 DisplayBlackClock(blackTimeRemaining, !wom);
13078 /* Timekeeping seems to be a portability nightmare. I think everyone
13079 has ftime(), but I'm really not sure, so I'm including some ifdefs
13080 to use other calls if you don't. Clocks will be less accurate if
13081 you have neither ftime nor gettimeofday.
13084 /* VS 2008 requires the #include outside of the function */
13085 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
13086 #include <sys/timeb.h>
13089 /* Get the current time as a TimeMark */
13094 #if HAVE_GETTIMEOFDAY
13096 struct timeval timeVal;
13097 struct timezone timeZone;
13099 gettimeofday(&timeVal, &timeZone);
13100 tm->sec = (long) timeVal.tv_sec;
13101 tm->ms = (int) (timeVal.tv_usec / 1000L);
13103 #else /*!HAVE_GETTIMEOFDAY*/
13106 // include <sys/timeb.h> / moved to just above start of function
13107 struct timeb timeB;
13110 tm->sec = (long) timeB.time;
13111 tm->ms = (int) timeB.millitm;
13113 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
13114 tm->sec = (long) time(NULL);
13120 /* Return the difference in milliseconds between two
13121 time marks. We assume the difference will fit in a long!
13124 SubtractTimeMarks(tm2, tm1)
13125 TimeMark *tm2, *tm1;
13127 return 1000L*(tm2->sec - tm1->sec) +
13128 (long) (tm2->ms - tm1->ms);
13133 * Code to manage the game clocks.
13135 * In tournament play, black starts the clock and then white makes a move.
13136 * We give the human user a slight advantage if he is playing white---the
13137 * clocks don't run until he makes his first move, so it takes zero time.
13138 * Also, we don't account for network lag, so we could get out of sync
13139 * with GNU Chess's clock -- but then, referees are always right.
13142 static TimeMark tickStartTM;
13143 static long intendedTickLength;
13146 NextTickLength(timeRemaining)
13147 long timeRemaining;
13149 long nominalTickLength, nextTickLength;
13151 if (timeRemaining > 0L && timeRemaining <= 10000L)
13152 nominalTickLength = 100L;
13154 nominalTickLength = 1000L;
13155 nextTickLength = timeRemaining % nominalTickLength;
13156 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
13158 return nextTickLength;
13161 /* Adjust clock one minute up or down */
13163 AdjustClock(Boolean which, int dir)
13165 if(which) blackTimeRemaining += 60000*dir;
13166 else whiteTimeRemaining += 60000*dir;
13167 DisplayBothClocks();
13170 /* Stop clocks and reset to a fresh time control */
13174 (void) StopClockTimer();
13175 if (appData.icsActive) {
13176 whiteTimeRemaining = blackTimeRemaining = 0;
13177 } else { /* [HGM] correct new time quote for time odds */
13178 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
13179 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
13181 if (whiteFlag || blackFlag) {
13183 whiteFlag = blackFlag = FALSE;
13185 DisplayBothClocks();
13188 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
13190 /* Decrement running clock by amount of time that has passed */
13194 long timeRemaining;
13195 long lastTickLength, fudge;
13198 if (!appData.clockMode) return;
13199 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
13203 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13205 /* Fudge if we woke up a little too soon */
13206 fudge = intendedTickLength - lastTickLength;
13207 if (fudge < 0 || fudge > FUDGE) fudge = 0;
13209 if (WhiteOnMove(forwardMostMove)) {
13210 if(whiteNPS >= 0) lastTickLength = 0;
13211 timeRemaining = whiteTimeRemaining -= lastTickLength;
13212 DisplayWhiteClock(whiteTimeRemaining - fudge,
13213 WhiteOnMove(currentMove));
13215 if(blackNPS >= 0) lastTickLength = 0;
13216 timeRemaining = blackTimeRemaining -= lastTickLength;
13217 DisplayBlackClock(blackTimeRemaining - fudge,
13218 !WhiteOnMove(currentMove));
13221 if (CheckFlags()) return;
13224 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
13225 StartClockTimer(intendedTickLength);
13227 /* if the time remaining has fallen below the alarm threshold, sound the
13228 * alarm. if the alarm has sounded and (due to a takeback or time control
13229 * with increment) the time remaining has increased to a level above the
13230 * threshold, reset the alarm so it can sound again.
13233 if (appData.icsActive && appData.icsAlarm) {
13235 /* make sure we are dealing with the user's clock */
13236 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
13237 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
13240 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
13241 alarmSounded = FALSE;
13242 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
13244 alarmSounded = TRUE;
13250 /* A player has just moved, so stop the previously running
13251 clock and (if in clock mode) start the other one.
13252 We redisplay both clocks in case we're in ICS mode, because
13253 ICS gives us an update to both clocks after every move.
13254 Note that this routine is called *after* forwardMostMove
13255 is updated, so the last fractional tick must be subtracted
13256 from the color that is *not* on move now.
13261 long lastTickLength;
13263 int flagged = FALSE;
13267 if (StopClockTimer() && appData.clockMode) {
13268 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13269 if (WhiteOnMove(forwardMostMove)) {
13270 if(blackNPS >= 0) lastTickLength = 0;
13271 blackTimeRemaining -= lastTickLength;
13272 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13273 // if(pvInfoList[forwardMostMove-1].time == -1)
13274 pvInfoList[forwardMostMove-1].time = // use GUI time
13275 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
13277 if(whiteNPS >= 0) lastTickLength = 0;
13278 whiteTimeRemaining -= lastTickLength;
13279 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13280 // if(pvInfoList[forwardMostMove-1].time == -1)
13281 pvInfoList[forwardMostMove-1].time =
13282 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
13284 flagged = CheckFlags();
13286 CheckTimeControl();
13288 if (flagged || !appData.clockMode) return;
13290 switch (gameMode) {
13291 case MachinePlaysBlack:
13292 case MachinePlaysWhite:
13293 case BeginningOfGame:
13294 if (pausing) return;
13298 case PlayFromGameFile:
13307 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13308 whiteTimeRemaining : blackTimeRemaining);
13309 StartClockTimer(intendedTickLength);
13313 /* Stop both clocks */
13317 long lastTickLength;
13320 if (!StopClockTimer()) return;
13321 if (!appData.clockMode) return;
13325 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13326 if (WhiteOnMove(forwardMostMove)) {
13327 if(whiteNPS >= 0) lastTickLength = 0;
13328 whiteTimeRemaining -= lastTickLength;
13329 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
13331 if(blackNPS >= 0) lastTickLength = 0;
13332 blackTimeRemaining -= lastTickLength;
13333 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
13338 /* Start clock of player on move. Time may have been reset, so
13339 if clock is already running, stop and restart it. */
13343 (void) StopClockTimer(); /* in case it was running already */
13344 DisplayBothClocks();
13345 if (CheckFlags()) return;
13347 if (!appData.clockMode) return;
13348 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
13350 GetTimeMark(&tickStartTM);
13351 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13352 whiteTimeRemaining : blackTimeRemaining);
13354 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
13355 whiteNPS = blackNPS = -1;
13356 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
13357 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
13358 whiteNPS = first.nps;
13359 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
13360 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
13361 blackNPS = first.nps;
13362 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
13363 whiteNPS = second.nps;
13364 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
13365 blackNPS = second.nps;
13366 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
13368 StartClockTimer(intendedTickLength);
13375 long second, minute, hour, day;
13377 static char buf[32];
13379 if (ms > 0 && ms <= 9900) {
13380 /* convert milliseconds to tenths, rounding up */
13381 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
13383 sprintf(buf, " %03.1f ", tenths/10.0);
13387 /* convert milliseconds to seconds, rounding up */
13388 /* use floating point to avoid strangeness of integer division
13389 with negative dividends on many machines */
13390 second = (long) floor(((double) (ms + 999L)) / 1000.0);
13397 day = second / (60 * 60 * 24);
13398 second = second % (60 * 60 * 24);
13399 hour = second / (60 * 60);
13400 second = second % (60 * 60);
13401 minute = second / 60;
13402 second = second % 60;
13405 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
13406 sign, day, hour, minute, second);
13408 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
13410 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
13417 * This is necessary because some C libraries aren't ANSI C compliant yet.
13420 StrStr(string, match)
13421 char *string, *match;
13425 length = strlen(match);
13427 for (i = strlen(string) - length; i >= 0; i--, string++)
13428 if (!strncmp(match, string, length))
13435 StrCaseStr(string, match)
13436 char *string, *match;
13440 length = strlen(match);
13442 for (i = strlen(string) - length; i >= 0; i--, string++) {
13443 for (j = 0; j < length; j++) {
13444 if (ToLower(match[j]) != ToLower(string[j]))
13447 if (j == length) return string;
13461 c1 = ToLower(*s1++);
13462 c2 = ToLower(*s2++);
13463 if (c1 > c2) return 1;
13464 if (c1 < c2) return -1;
13465 if (c1 == NULLCHAR) return 0;
13474 return isupper(c) ? tolower(c) : c;
13482 return islower(c) ? toupper(c) : c;
13484 #endif /* !_amigados */
13492 if ((ret = (char *) malloc(strlen(s) + 1))) {
13499 StrSavePtr(s, savePtr)
13500 char *s, **savePtr;
13505 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
13506 strcpy(*savePtr, s);
13518 clock = time((time_t *)NULL);
13519 tm = localtime(&clock);
13520 sprintf(buf, "%04d.%02d.%02d",
13521 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
13522 return StrSave(buf);
13527 PositionToFEN(move, overrideCastling)
13529 char *overrideCastling;
13531 int i, j, fromX, fromY, toX, toY;
13538 whiteToPlay = (gameMode == EditPosition) ?
13539 !blackPlaysFirst : (move % 2 == 0);
13542 /* Piece placement data */
13543 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13545 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13546 if (boards[move][i][j] == EmptySquare) {
13548 } else { ChessSquare piece = boards[move][i][j];
13549 if (emptycount > 0) {
13550 if(emptycount<10) /* [HGM] can be >= 10 */
13551 *p++ = '0' + emptycount;
13552 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13555 if(PieceToChar(piece) == '+') {
13556 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
13558 piece = (ChessSquare)(DEMOTED piece);
13560 *p++ = PieceToChar(piece);
13562 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
13563 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
13568 if (emptycount > 0) {
13569 if(emptycount<10) /* [HGM] can be >= 10 */
13570 *p++ = '0' + emptycount;
13571 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13578 /* [HGM] print Crazyhouse or Shogi holdings */
13579 if( gameInfo.holdingsWidth ) {
13580 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
13582 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
13583 piece = boards[move][i][BOARD_WIDTH-1];
13584 if( piece != EmptySquare )
13585 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
13586 *p++ = PieceToChar(piece);
13588 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
13589 piece = boards[move][BOARD_HEIGHT-i-1][0];
13590 if( piece != EmptySquare )
13591 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
13592 *p++ = PieceToChar(piece);
13595 if( q == p ) *p++ = '-';
13601 *p++ = whiteToPlay ? 'w' : 'b';
13604 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
13605 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' ';
13607 if(nrCastlingRights) {
13609 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
13610 /* [HGM] write directly from rights */
13611 if(castlingRights[move][2] >= 0 &&
13612 castlingRights[move][0] >= 0 )
13613 *p++ = castlingRights[move][0] + AAA + 'A' - 'a';
13614 if(castlingRights[move][2] >= 0 &&
13615 castlingRights[move][1] >= 0 )
13616 *p++ = castlingRights[move][1] + AAA + 'A' - 'a';
13617 if(castlingRights[move][5] >= 0 &&
13618 castlingRights[move][3] >= 0 )
13619 *p++ = castlingRights[move][3] + AAA;
13620 if(castlingRights[move][5] >= 0 &&
13621 castlingRights[move][4] >= 0 )
13622 *p++ = castlingRights[move][4] + AAA;
13625 /* [HGM] write true castling rights */
13626 if( nrCastlingRights == 6 ) {
13627 if(castlingRights[move][0] == BOARD_RGHT-1 &&
13628 castlingRights[move][2] >= 0 ) *p++ = 'K';
13629 if(castlingRights[move][1] == BOARD_LEFT &&
13630 castlingRights[move][2] >= 0 ) *p++ = 'Q';
13631 if(castlingRights[move][3] == BOARD_RGHT-1 &&
13632 castlingRights[move][5] >= 0 ) *p++ = 'k';
13633 if(castlingRights[move][4] == BOARD_LEFT &&
13634 castlingRights[move][5] >= 0 ) *p++ = 'q';
13637 if (q == p) *p++ = '-'; /* No castling rights */
13641 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
13642 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) {
13643 /* En passant target square */
13644 if (move > backwardMostMove) {
13645 fromX = moveList[move - 1][0] - AAA;
13646 fromY = moveList[move - 1][1] - ONE;
13647 toX = moveList[move - 1][2] - AAA;
13648 toY = moveList[move - 1][3] - ONE;
13649 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
13650 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
13651 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
13653 /* 2-square pawn move just happened */
13655 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
13666 /* [HGM] find reversible plies */
13667 { int i = 0, j=move;
13669 if (appData.debugMode) { int k;
13670 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
13671 for(k=backwardMostMove; k<=forwardMostMove; k++)
13672 fprintf(debugFP, "e%d. p=%d\n", k, epStatus[k]);
13676 while(j > backwardMostMove && epStatus[j] <= EP_NONE) j--,i++;
13677 if( j == backwardMostMove ) i += initialRulePlies;
13678 sprintf(p, "%d ", i);
13679 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
13681 /* Fullmove number */
13682 sprintf(p, "%d", (move / 2) + 1);
13684 return StrSave(buf);
13688 ParseFEN(board, blackPlaysFirst, fen)
13690 int *blackPlaysFirst;
13700 /* [HGM] by default clear Crazyhouse holdings, if present */
13701 if(gameInfo.holdingsWidth) {
13702 for(i=0; i<BOARD_HEIGHT; i++) {
13703 board[i][0] = EmptySquare; /* black holdings */
13704 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
13705 board[i][1] = (ChessSquare) 0; /* black counts */
13706 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
13710 /* Piece placement data */
13711 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13714 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
13715 if (*p == '/') p++;
13716 emptycount = gameInfo.boardWidth - j;
13717 while (emptycount--)
13718 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13720 #if(BOARD_SIZE >= 10)
13721 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
13722 p++; emptycount=10;
13723 if (j + emptycount > gameInfo.boardWidth) return FALSE;
13724 while (emptycount--)
13725 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13727 } else if (isdigit(*p)) {
13728 emptycount = *p++ - '0';
13729 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
13730 if (j + emptycount > gameInfo.boardWidth) return FALSE;
13731 while (emptycount--)
13732 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13733 } else if (*p == '+' || isalpha(*p)) {
13734 if (j >= gameInfo.boardWidth) return FALSE;
13736 piece = CharToPiece(*++p);
13737 if(piece == EmptySquare) return FALSE; /* unknown piece */
13738 piece = (ChessSquare) (PROMOTED piece ); p++;
13739 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
13740 } else piece = CharToPiece(*p++);
13742 if(piece==EmptySquare) return FALSE; /* unknown piece */
13743 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
13744 piece = (ChessSquare) (PROMOTED piece);
13745 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
13748 board[i][(j++)+gameInfo.holdingsWidth] = piece;
13754 while (*p == '/' || *p == ' ') p++;
13756 /* [HGM] look for Crazyhouse holdings here */
13757 while(*p==' ') p++;
13758 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
13760 if(*p == '-' ) *p++; /* empty holdings */ else {
13761 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
13762 /* if we would allow FEN reading to set board size, we would */
13763 /* have to add holdings and shift the board read so far here */
13764 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
13766 if((int) piece >= (int) BlackPawn ) {
13767 i = (int)piece - (int)BlackPawn;
13768 i = PieceToNumber((ChessSquare)i);
13769 if( i >= gameInfo.holdingsSize ) return FALSE;
13770 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
13771 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
13773 i = (int)piece - (int)WhitePawn;
13774 i = PieceToNumber((ChessSquare)i);
13775 if( i >= gameInfo.holdingsSize ) return FALSE;
13776 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
13777 board[i][BOARD_WIDTH-2]++; /* black holdings */
13781 if(*p == ']') *p++;
13784 while(*p == ' ') p++;
13789 *blackPlaysFirst = FALSE;
13792 *blackPlaysFirst = TRUE;
13798 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
13799 /* return the extra info in global variiables */
13801 /* set defaults in case FEN is incomplete */
13802 FENepStatus = EP_UNKNOWN;
13803 for(i=0; i<nrCastlingRights; i++ ) {
13804 FENcastlingRights[i] =
13805 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? -1 : initialRights[i];
13806 } /* assume possible unless obviously impossible */
13807 if(initialRights[0]>=0 && board[castlingRank[0]][initialRights[0]] != WhiteRook) FENcastlingRights[0] = -1;
13808 if(initialRights[1]>=0 && board[castlingRank[1]][initialRights[1]] != WhiteRook) FENcastlingRights[1] = -1;
13809 if(initialRights[2]>=0 && board[castlingRank[2]][initialRights[2]] != WhiteKing) FENcastlingRights[2] = -1;
13810 if(initialRights[3]>=0 && board[castlingRank[3]][initialRights[3]] != BlackRook) FENcastlingRights[3] = -1;
13811 if(initialRights[4]>=0 && board[castlingRank[4]][initialRights[4]] != BlackRook) FENcastlingRights[4] = -1;
13812 if(initialRights[5]>=0 && board[castlingRank[5]][initialRights[5]] != BlackKing) FENcastlingRights[5] = -1;
13815 while(*p==' ') p++;
13816 if(nrCastlingRights) {
13817 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
13818 /* castling indicator present, so default becomes no castlings */
13819 for(i=0; i<nrCastlingRights; i++ ) {
13820 FENcastlingRights[i] = -1;
13823 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
13824 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
13825 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
13826 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
13827 char c = *p++; int whiteKingFile=-1, blackKingFile=-1;
13829 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
13830 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
13831 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
13835 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
13836 FENcastlingRights[0] = i != whiteKingFile ? i : -1;
13837 FENcastlingRights[2] = whiteKingFile;
13840 for(i=BOARD_LEFT; board[0][i]!=WhiteRook && i<whiteKingFile; i++);
13841 FENcastlingRights[1] = i != whiteKingFile ? i : -1;
13842 FENcastlingRights[2] = whiteKingFile;
13845 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
13846 FENcastlingRights[3] = i != blackKingFile ? i : -1;
13847 FENcastlingRights[5] = blackKingFile;
13850 for(i=BOARD_LEFT; board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
13851 FENcastlingRights[4] = i != blackKingFile ? i : -1;
13852 FENcastlingRights[5] = blackKingFile;
13855 default: /* FRC castlings */
13856 if(c >= 'a') { /* black rights */
13857 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
13858 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
13859 if(i == BOARD_RGHT) break;
13860 FENcastlingRights[5] = i;
13862 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
13863 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
13865 FENcastlingRights[3] = c;
13867 FENcastlingRights[4] = c;
13868 } else { /* white rights */
13869 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
13870 if(board[0][i] == WhiteKing) break;
13871 if(i == BOARD_RGHT) break;
13872 FENcastlingRights[2] = i;
13873 c -= AAA - 'a' + 'A';
13874 if(board[0][c] >= WhiteKing) break;
13876 FENcastlingRights[0] = c;
13878 FENcastlingRights[1] = c;
13882 if (appData.debugMode) {
13883 fprintf(debugFP, "FEN castling rights:");
13884 for(i=0; i<nrCastlingRights; i++)
13885 fprintf(debugFP, " %d", FENcastlingRights[i]);
13886 fprintf(debugFP, "\n");
13889 while(*p==' ') p++;
13892 /* read e.p. field in games that know e.p. capture */
13893 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
13894 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) {
13896 p++; FENepStatus = EP_NONE;
13898 char c = *p++ - AAA;
13900 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
13901 if(*p >= '0' && *p <='9') *p++;
13907 if(sscanf(p, "%d", &i) == 1) {
13908 FENrulePlies = i; /* 50-move ply counter */
13909 /* (The move number is still ignored) */
13916 EditPositionPasteFEN(char *fen)
13919 Board initial_position;
13921 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
13922 DisplayError(_("Bad FEN position in clipboard"), 0);
13925 int savedBlackPlaysFirst = blackPlaysFirst;
13926 EditPositionEvent();
13927 blackPlaysFirst = savedBlackPlaysFirst;
13928 CopyBoard(boards[0], initial_position);
13929 /* [HGM] copy FEN attributes as well */
13931 initialRulePlies = FENrulePlies;
13932 epStatus[0] = FENepStatus;
13933 for( i=0; i<nrCastlingRights; i++ )
13934 castlingRights[0][i] = FENcastlingRights[i];
13936 EditPositionDone();
13937 DisplayBothClocks();
13938 DrawPosition(FALSE, boards[currentMove]);