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 InitPosition P((int redraw));
155 void HandleMachineMove P((char *message, ChessProgramState *cps));
156 int AutoPlayOneMove P((void));
157 int LoadGameOneMove P((ChessMove readAhead));
158 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
159 int LoadPositionFromFile P((char *filename, int n, char *title));
160 int SavePositionToFile P((char *filename));
161 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
162 Board board, char *castle, char *ep));
163 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
164 void ShowMove P((int fromX, int fromY, int toX, int toY));
165 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
166 /*char*/int promoChar));
167 void BackwardInner P((int target));
168 void ForwardInner P((int target));
169 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
170 void EditPositionDone P((void));
171 void PrintOpponents P((FILE *fp));
172 void PrintPosition P((FILE *fp, int move));
173 void StartChessProgram P((ChessProgramState *cps));
174 void SendToProgram P((char *message, ChessProgramState *cps));
175 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
176 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
177 char *buf, int count, int error));
178 void SendTimeControl P((ChessProgramState *cps,
179 int mps, long tc, int inc, int sd, int st));
180 char *TimeControlTagValue P((void));
181 void Attention P((ChessProgramState *cps));
182 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
183 void ResurrectChessProgram P((void));
184 void DisplayComment P((int moveNumber, char *text));
185 void DisplayMove P((int moveNumber));
186 void DisplayAnalysis P((void));
188 void ParseGameHistory P((char *game));
189 void ParseBoard12 P((char *string));
190 void StartClocks P((void));
191 void SwitchClocks P((void));
192 void StopClocks P((void));
193 void ResetClocks P((void));
194 char *PGNDate P((void));
195 void SetGameInfo P((void));
196 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
197 int RegisterMove P((void));
198 void MakeRegisteredMove P((void));
199 void TruncateGame P((void));
200 int looking_at P((char *, int *, char *));
201 void CopyPlayerNameIntoFileName P((char **, char *));
202 char *SavePart P((char *));
203 int SaveGameOldStyle P((FILE *));
204 int SaveGamePGN P((FILE *));
205 void GetTimeMark P((TimeMark *));
206 long SubtractTimeMarks P((TimeMark *, TimeMark *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
222 extern void ConsoleCreate();
225 ChessProgramState *WhitePlayer();
226 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
227 int VerifyDisplayMode P(());
229 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
230 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
231 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
232 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
233 extern char installDir[MSG_SIZ];
235 extern int tinyLayout, smallLayout;
236 ChessProgramStats programStats;
237 static int exiting = 0; /* [HGM] moved to top */
238 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
239 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
240 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
241 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
242 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
243 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
244 int opponentKibitzes;
246 /* States for ics_getting_history */
248 #define H_REQUESTED 1
249 #define H_GOT_REQ_HEADER 2
250 #define H_GOT_UNREQ_HEADER 3
251 #define H_GETTING_MOVES 4
252 #define H_GOT_UNWANTED_HEADER 5
254 /* whosays values for GameEnds */
263 /* Maximum number of games in a cmail message */
264 #define CMAIL_MAX_GAMES 20
266 /* Different types of move when calling RegisterMove */
268 #define CMAIL_RESIGN 1
270 #define CMAIL_ACCEPT 3
272 /* Different types of result to remember for each game */
273 #define CMAIL_NOT_RESULT 0
274 #define CMAIL_OLD_RESULT 1
275 #define CMAIL_NEW_RESULT 2
277 /* Telnet protocol constants */
288 static char * safeStrCpy( char * dst, const char * src, size_t count )
290 assert( dst != NULL );
291 assert( src != NULL );
294 strncpy( dst, src, count );
295 dst[ count-1 ] = '\0';
300 //[HGM] for future use? Conditioned out for now to suppress warning.
301 static char * safeStrCat( char * dst, const char * src, size_t count )
305 assert( dst != NULL );
306 assert( src != NULL );
309 dst_len = strlen(dst);
311 assert( count > dst_len ); /* Buffer size must be greater than current length */
313 safeStrCpy( dst + dst_len, src, count - dst_len );
319 /* Some compiler can't cast u64 to double
320 * This function do the job for us:
322 * We use the highest bit for cast, this only
323 * works if the highest bit is not
324 * in use (This should not happen)
326 * We used this for all compiler
329 u64ToDouble(u64 value)
332 u64 tmp = value & u64Const(0x7fffffffffffffff);
333 r = (double)(s64)tmp;
334 if (value & u64Const(0x8000000000000000))
335 r += 9.2233720368547758080e18; /* 2^63 */
339 /* Fake up flags for now, as we aren't keeping track of castling
340 availability yet. [HGM] Change of logic: the flag now only
341 indicates the type of castlings allowed by the rule of the game.
342 The actual rights themselves are maintained in the array
343 castlingRights, as part of the game history, and are not probed
349 int flags = F_ALL_CASTLE_OK;
350 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
351 switch (gameInfo.variant) {
353 flags &= ~F_ALL_CASTLE_OK;
354 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
355 flags |= F_IGNORE_CHECK;
357 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
360 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
362 case VariantKriegspiel:
363 flags |= F_KRIEGSPIEL_CAPTURE;
365 case VariantCapaRandom:
366 case VariantFischeRandom:
367 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
368 case VariantNoCastle:
369 case VariantShatranj:
371 flags &= ~F_ALL_CASTLE_OK;
379 FILE *gameFileFP, *debugFP;
382 [AS] Note: sometimes, the sscanf() function is used to parse the input
383 into a fixed-size buffer. Because of this, we must be prepared to
384 receive strings as long as the size of the input buffer, which is currently
385 set to 4K for Windows and 8K for the rest.
386 So, we must either allocate sufficiently large buffers here, or
387 reduce the size of the input buffer in the input reading part.
390 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
391 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
392 char thinkOutput1[MSG_SIZ*10];
394 ChessProgramState first, second;
396 /* premove variables */
399 int premoveFromX = 0;
400 int premoveFromY = 0;
401 int premovePromoChar = 0;
403 Boolean alarmSounded;
404 /* end premove variables */
406 char *ics_prefix = "$";
407 int ics_type = ICS_GENERIC;
409 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
410 int pauseExamForwardMostMove = 0;
411 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
412 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
413 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
414 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
415 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
416 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
417 int whiteFlag = FALSE, blackFlag = FALSE;
418 int userOfferedDraw = FALSE;
419 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
420 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
421 int cmailMoveType[CMAIL_MAX_GAMES];
422 long ics_clock_paused = 0;
423 ProcRef icsPR = NoProc, cmailPR = NoProc;
424 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
425 GameMode gameMode = BeginningOfGame;
426 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
427 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
428 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
429 int hiddenThinkOutputState = 0; /* [AS] */
430 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
431 int adjudicateLossPlies = 6;
432 char white_holding[64], black_holding[64];
433 TimeMark lastNodeCountTime;
434 long lastNodeCount=0;
435 int have_sent_ICS_logon = 0;
437 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
438 long timeControl_2; /* [AS] Allow separate time controls */
439 char *fullTimeControlString = NULL; /* [HGM] secondary TC: merge of MPS, TC and inc */
440 long timeRemaining[2][MAX_MOVES];
442 TimeMark programStartTime;
443 char ics_handle[MSG_SIZ];
444 int have_set_title = 0;
446 /* animateTraining preserves the state of appData.animate
447 * when Training mode is activated. This allows the
448 * response to be animated when appData.animate == TRUE and
449 * appData.animateDragging == TRUE.
451 Boolean animateTraining;
457 Board boards[MAX_MOVES];
458 /* [HGM] Following 7 needed for accurate legality tests: */
459 char epStatus[MAX_MOVES];
460 char castlingRights[MAX_MOVES][BOARD_SIZE]; // stores files for pieces with castling rights or -1
461 char castlingRank[BOARD_SIZE]; // and corresponding ranks
462 char initialRights[BOARD_SIZE], FENcastlingRights[BOARD_SIZE], fileRights[BOARD_SIZE];
463 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
464 int initialRulePlies, FENrulePlies;
466 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
470 ChessSquare FIDEArray[2][BOARD_SIZE] = {
471 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
472 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
473 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
474 BlackKing, BlackBishop, BlackKnight, BlackRook }
477 ChessSquare twoKingsArray[2][BOARD_SIZE] = {
478 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
479 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
480 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
481 BlackKing, BlackKing, BlackKnight, BlackRook }
484 ChessSquare KnightmateArray[2][BOARD_SIZE] = {
485 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
486 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
487 { BlackRook, BlackMan, BlackBishop, BlackQueen,
488 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
491 ChessSquare fairyArray[2][BOARD_SIZE] = { /* [HGM] Queen side differs from King side */
492 { WhiteCannon, WhiteNightrider, WhiteAlfil, WhiteQueen,
493 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
494 { BlackCannon, BlackNightrider, BlackAlfil, BlackQueen,
495 BlackKing, BlackBishop, BlackKnight, BlackRook }
498 ChessSquare ShatranjArray[2][BOARD_SIZE] = { /* [HGM] (movGen knows about Shatranj Q and P) */
499 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
500 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
501 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
502 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
507 ChessSquare ShogiArray[2][BOARD_SIZE] = {
508 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
509 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
510 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
511 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
514 ChessSquare XiangqiArray[2][BOARD_SIZE] = {
515 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
516 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
517 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
518 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
521 ChessSquare CapablancaArray[2][BOARD_SIZE] = {
522 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
523 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
524 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
525 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
528 ChessSquare GreatArray[2][BOARD_SIZE] = {
529 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
530 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
531 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
532 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
535 ChessSquare JanusArray[2][BOARD_SIZE] = {
536 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
537 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
538 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
539 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
543 ChessSquare GothicArray[2][BOARD_SIZE] = {
544 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
545 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
546 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
547 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
550 #define GothicArray CapablancaArray
554 ChessSquare FalconArray[2][BOARD_SIZE] = {
555 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
556 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
557 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
558 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
561 #define FalconArray CapablancaArray
564 #else // !(BOARD_SIZE>=10)
565 #define XiangqiPosition FIDEArray
566 #define CapablancaArray FIDEArray
567 #define GothicArray FIDEArray
568 #define GreatArray FIDEArray
569 #endif // !(BOARD_SIZE>=10)
572 ChessSquare CourierArray[2][BOARD_SIZE] = {
573 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
574 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
575 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
576 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
578 #else // !(BOARD_SIZE>=12)
579 #define CourierArray CapablancaArray
580 #endif // !(BOARD_SIZE>=12)
583 Board initialPosition;
586 /* Convert str to a rating. Checks for special cases of "----",
588 "++++", etc. Also strips ()'s */
590 string_to_rating(str)
593 while(*str && !isdigit(*str)) ++str;
595 return 0; /* One of the special "no rating" cases */
603 /* Init programStats */
604 programStats.movelist[0] = 0;
605 programStats.depth = 0;
606 programStats.nr_moves = 0;
607 programStats.moves_left = 0;
608 programStats.nodes = 0;
609 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
610 programStats.score = 0;
611 programStats.got_only_move = 0;
612 programStats.got_fail = 0;
613 programStats.line_is_book = 0;
619 int matched, min, sec;
621 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
623 GetTimeMark(&programStartTime);
624 srand(programStartTime.ms); // [HGM] book: makes sure random is unpredictabe to msec level
627 programStats.ok_to_send = 1;
628 programStats.seen_stat = 0;
631 * Initialize game list
637 * Internet chess server status
639 if (appData.icsActive) {
640 appData.matchMode = FALSE;
641 appData.matchGames = 0;
643 appData.noChessProgram = !appData.zippyPlay;
645 appData.zippyPlay = FALSE;
646 appData.zippyTalk = FALSE;
647 appData.noChessProgram = TRUE;
649 if (*appData.icsHelper != NULLCHAR) {
650 appData.useTelnet = TRUE;
651 appData.telnetProgram = appData.icsHelper;
654 appData.zippyTalk = appData.zippyPlay = FALSE;
657 /* [AS] Initialize pv info list [HGM] and game state */
661 for( i=0; i<MAX_MOVES; i++ ) {
662 pvInfoList[i].depth = -1;
664 for( j=0; j<BOARD_SIZE; j++ ) castlingRights[i][j] = -1;
669 * Parse timeControl resource
671 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
672 appData.movesPerSession)) {
674 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
675 DisplayFatalError(buf, 0, 2);
679 * Parse searchTime resource
681 if (*appData.searchTime != NULLCHAR) {
682 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
684 searchTime = min * 60;
685 } else if (matched == 2) {
686 searchTime = min * 60 + sec;
689 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
690 DisplayFatalError(buf, 0, 2);
694 /* [AS] Adjudication threshold */
695 adjudicateLossThreshold = appData.adjudicateLossThreshold;
697 first.which = "first";
698 second.which = "second";
699 first.maybeThinking = second.maybeThinking = FALSE;
700 first.pr = second.pr = NoProc;
701 first.isr = second.isr = NULL;
702 first.sendTime = second.sendTime = 2;
703 first.sendDrawOffers = 1;
704 if (appData.firstPlaysBlack) {
705 first.twoMachinesColor = "black\n";
706 second.twoMachinesColor = "white\n";
708 first.twoMachinesColor = "white\n";
709 second.twoMachinesColor = "black\n";
711 first.program = appData.firstChessProgram;
712 second.program = appData.secondChessProgram;
713 first.host = appData.firstHost;
714 second.host = appData.secondHost;
715 first.dir = appData.firstDirectory;
716 second.dir = appData.secondDirectory;
717 first.other = &second;
718 second.other = &first;
719 first.initString = appData.initString;
720 second.initString = appData.secondInitString;
721 first.computerString = appData.firstComputerString;
722 second.computerString = appData.secondComputerString;
723 first.useSigint = second.useSigint = TRUE;
724 first.useSigterm = second.useSigterm = TRUE;
725 first.reuse = appData.reuseFirst;
726 second.reuse = appData.reuseSecond;
727 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
728 second.nps = appData.secondNPS;
729 first.useSetboard = second.useSetboard = FALSE;
730 first.useSAN = second.useSAN = FALSE;
731 first.usePing = second.usePing = FALSE;
732 first.lastPing = second.lastPing = 0;
733 first.lastPong = second.lastPong = 0;
734 first.usePlayother = second.usePlayother = FALSE;
735 first.useColors = second.useColors = TRUE;
736 first.useUsermove = second.useUsermove = FALSE;
737 first.sendICS = second.sendICS = FALSE;
738 first.sendName = second.sendName = appData.icsActive;
739 first.sdKludge = second.sdKludge = FALSE;
740 first.stKludge = second.stKludge = FALSE;
741 TidyProgramName(first.program, first.host, first.tidy);
742 TidyProgramName(second.program, second.host, second.tidy);
743 first.matchWins = second.matchWins = 0;
744 strcpy(first.variants, appData.variant);
745 strcpy(second.variants, appData.variant);
746 first.analysisSupport = second.analysisSupport = 2; /* detect */
747 first.analyzing = second.analyzing = FALSE;
748 first.initDone = second.initDone = FALSE;
750 /* New features added by Tord: */
751 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
752 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
753 /* End of new features added by Tord. */
754 first.fenOverride = appData.fenOverride1;
755 second.fenOverride = appData.fenOverride2;
757 /* [HGM] time odds: set factor for each machine */
758 first.timeOdds = appData.firstTimeOdds;
759 second.timeOdds = appData.secondTimeOdds;
761 if(appData.timeOddsMode) {
762 norm = first.timeOdds;
763 if(norm > second.timeOdds) norm = second.timeOdds;
765 first.timeOdds /= norm;
766 second.timeOdds /= norm;
769 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
770 first.accumulateTC = appData.firstAccumulateTC;
771 second.accumulateTC = appData.secondAccumulateTC;
772 first.maxNrOfSessions = second.maxNrOfSessions = 1;
775 first.debug = second.debug = FALSE;
776 first.supportsNPS = second.supportsNPS = UNKNOWN;
779 first.optionSettings = appData.firstOptions;
780 second.optionSettings = appData.secondOptions;
782 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
783 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
784 first.isUCI = appData.firstIsUCI; /* [AS] */
785 second.isUCI = appData.secondIsUCI; /* [AS] */
786 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
787 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
789 if (appData.firstProtocolVersion > PROTOVER ||
790 appData.firstProtocolVersion < 1) {
792 sprintf(buf, _("protocol version %d not supported"),
793 appData.firstProtocolVersion);
794 DisplayFatalError(buf, 0, 2);
796 first.protocolVersion = appData.firstProtocolVersion;
799 if (appData.secondProtocolVersion > PROTOVER ||
800 appData.secondProtocolVersion < 1) {
802 sprintf(buf, _("protocol version %d not supported"),
803 appData.secondProtocolVersion);
804 DisplayFatalError(buf, 0, 2);
806 second.protocolVersion = appData.secondProtocolVersion;
809 if (appData.icsActive) {
810 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
811 } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
812 appData.clockMode = FALSE;
813 first.sendTime = second.sendTime = 0;
817 /* Override some settings from environment variables, for backward
818 compatibility. Unfortunately it's not feasible to have the env
819 vars just set defaults, at least in xboard. Ugh.
821 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
826 if (appData.noChessProgram) {
827 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
828 sprintf(programVersion, "%s", PACKAGE_STRING);
833 while (*q != ' ' && *q != NULLCHAR) q++;
835 while (p > first.program && *(p-1) != '/' && *(p-1) != '\\') p--; /* [HGM] backslash added */
836 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING + (q - p));
837 sprintf(programVersion, "%s + ", PACKAGE_STRING);
838 strncat(programVersion, p, q - p);
840 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
841 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
842 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
846 if (!appData.icsActive) {
848 /* Check for variants that are supported only in ICS mode,
849 or not at all. Some that are accepted here nevertheless
850 have bugs; see comments below.
852 VariantClass variant = StringToVariant(appData.variant);
854 case VariantBughouse: /* need four players and two boards */
855 case VariantKriegspiel: /* need to hide pieces and move details */
856 /* case VariantFischeRandom: (Fabien: moved below) */
857 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
858 DisplayFatalError(buf, 0, 2);
862 case VariantLoadable:
872 sprintf(buf, _("Unknown variant name %s"), appData.variant);
873 DisplayFatalError(buf, 0, 2);
876 case VariantXiangqi: /* [HGM] repetition rules not implemented */
877 case VariantFairy: /* [HGM] TestLegality definitely off! */
878 case VariantGothic: /* [HGM] should work */
879 case VariantCapablanca: /* [HGM] should work */
880 case VariantCourier: /* [HGM] initial forced moves not implemented */
881 case VariantShogi: /* [HGM] drops not tested for legality */
882 case VariantKnightmate: /* [HGM] should work */
883 case VariantCylinder: /* [HGM] untested */
884 case VariantFalcon: /* [HGM] untested */
885 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
886 offboard interposition not understood */
887 case VariantNormal: /* definitely works! */
888 case VariantWildCastle: /* pieces not automatically shuffled */
889 case VariantNoCastle: /* pieces not automatically shuffled */
890 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
891 case VariantLosers: /* should work except for win condition,
892 and doesn't know captures are mandatory */
893 case VariantSuicide: /* should work except for win condition,
894 and doesn't know captures are mandatory */
895 case VariantGiveaway: /* should work except for win condition,
896 and doesn't know captures are mandatory */
897 case VariantTwoKings: /* should work */
898 case VariantAtomic: /* should work except for win condition */
899 case Variant3Check: /* should work except for win condition */
900 case VariantShatranj: /* should work except for all win conditions */
901 case VariantBerolina: /* might work if TestLegality is off */
902 case VariantCapaRandom: /* should work */
903 case VariantJanus: /* should work */
904 case VariantSuper: /* experimental */
905 case VariantGreat: /* experimental, requires legality testing to be off */
910 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
911 InitEngineUCI( installDir, &second );
914 int NextIntegerFromString( char ** str, long * value )
919 while( *s == ' ' || *s == '\t' ) {
925 if( *s >= '0' && *s <= '9' ) {
926 while( *s >= '0' && *s <= '9' ) {
927 *value = *value * 10 + (*s - '0');
939 int NextTimeControlFromString( char ** str, long * value )
942 int result = NextIntegerFromString( str, &temp );
945 *value = temp * 60; /* Minutes */
948 result = NextIntegerFromString( str, &temp );
949 *value += temp; /* Seconds */
956 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
957 { /* [HGM] routine added to read '+moves/time' for secondary time control */
958 int result = -1; long temp, temp2;
960 if(**str != '+') return -1; // old params remain in force!
962 if( NextTimeControlFromString( str, &temp ) ) return -1;
965 /* time only: incremental or sudden-death time control */
966 if(**str == '+') { /* increment follows; read it */
968 if(result = NextIntegerFromString( str, &temp2)) return -1;
971 *moves = 0; *tc = temp * 1000;
973 } else if(temp % 60 != 0) return -1; /* moves was given as min:sec */
975 (*str)++; /* classical time control */
976 result = NextTimeControlFromString( str, &temp2);
985 int GetTimeQuota(int movenr)
986 { /* [HGM] get time to add from the multi-session time-control string */
987 int moves=1; /* kludge to force reading of first session */
988 long time, increment;
989 char *s = fullTimeControlString;
991 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
993 if(moves) NextSessionFromString(&s, &moves, &time, &increment);
994 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
995 if(movenr == -1) return time; /* last move before new session */
996 if(!moves) return increment; /* current session is incremental */
997 if(movenr >= 0) movenr -= moves; /* we already finished this session */
998 } while(movenr >= -1); /* try again for next session */
1000 return 0; // no new time quota on this move
1004 ParseTimeControl(tc, ti, mps)
1010 int matched, min, sec;
1012 matched = sscanf(tc, "%d:%d", &min, &sec);
1014 timeControl = min * 60 * 1000;
1015 } else if (matched == 2) {
1016 timeControl = (min * 60 + sec) * 1000;
1025 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1028 sprintf(buf, "+%d/%s+%d", mps, tc, ti);
1029 else sprintf(buf, "+%s+%d", tc, ti);
1032 sprintf(buf, "+%d/%s", mps, tc);
1033 else sprintf(buf, "+%s", tc);
1035 fullTimeControlString = StrSave(buf);
1037 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1042 /* Parse second time control */
1045 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1053 timeControl_2 = tc2 * 1000;
1063 timeControl = tc1 * 1000;
1067 timeIncrement = ti * 1000; /* convert to ms */
1068 movesPerSession = 0;
1071 movesPerSession = mps;
1079 if (appData.debugMode) {
1080 fprintf(debugFP, "%s\n", programVersion);
1083 if (appData.matchGames > 0) {
1084 appData.matchMode = TRUE;
1085 } else if (appData.matchMode) {
1086 appData.matchGames = 1;
1088 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1089 appData.matchGames = appData.sameColorGames;
1090 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1091 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1092 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1095 if (appData.noChessProgram || first.protocolVersion == 1) {
1098 /* kludge: allow timeout for initial "feature" commands */
1100 DisplayMessage("", _("Starting chess program"));
1101 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1106 InitBackEnd3 P((void))
1108 GameMode initialMode;
1112 InitChessProgram(&first, startedFromSetupPosition);
1115 if (appData.icsActive) {
1117 /* [DM] Make a console window if needed [HGM] merged ifs */
1122 if (*appData.icsCommPort != NULLCHAR) {
1123 sprintf(buf, _("Could not open comm port %s"),
1124 appData.icsCommPort);
1126 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1127 appData.icsHost, appData.icsPort);
1129 DisplayFatalError(buf, err, 1);
1134 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1136 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1137 } else if (appData.noChessProgram) {
1143 if (*appData.cmailGameName != NULLCHAR) {
1145 OpenLoopback(&cmailPR);
1147 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1151 DisplayMessage("", "");
1152 if (StrCaseCmp(appData.initialMode, "") == 0) {
1153 initialMode = BeginningOfGame;
1154 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1155 initialMode = TwoMachinesPlay;
1156 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1157 initialMode = AnalyzeFile;
1158 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1159 initialMode = AnalyzeMode;
1160 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1161 initialMode = MachinePlaysWhite;
1162 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1163 initialMode = MachinePlaysBlack;
1164 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1165 initialMode = EditGame;
1166 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1167 initialMode = EditPosition;
1168 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1169 initialMode = Training;
1171 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1172 DisplayFatalError(buf, 0, 2);
1176 if (appData.matchMode) {
1177 /* Set up machine vs. machine match */
1178 if (appData.noChessProgram) {
1179 DisplayFatalError(_("Can't have a match with no chess programs"),
1185 if (*appData.loadGameFile != NULLCHAR) {
1186 int index = appData.loadGameIndex; // [HGM] autoinc
1187 if(index<0) lastIndex = index = 1;
1188 if (!LoadGameFromFile(appData.loadGameFile,
1190 appData.loadGameFile, FALSE)) {
1191 DisplayFatalError(_("Bad game file"), 0, 1);
1194 } else if (*appData.loadPositionFile != NULLCHAR) {
1195 int index = appData.loadPositionIndex; // [HGM] autoinc
1196 if(index<0) lastIndex = index = 1;
1197 if (!LoadPositionFromFile(appData.loadPositionFile,
1199 appData.loadPositionFile)) {
1200 DisplayFatalError(_("Bad position file"), 0, 1);
1205 } else if (*appData.cmailGameName != NULLCHAR) {
1206 /* Set up cmail mode */
1207 ReloadCmailMsgEvent(TRUE);
1209 /* Set up other modes */
1210 if (initialMode == AnalyzeFile) {
1211 if (*appData.loadGameFile == NULLCHAR) {
1212 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1216 if (*appData.loadGameFile != NULLCHAR) {
1217 (void) LoadGameFromFile(appData.loadGameFile,
1218 appData.loadGameIndex,
1219 appData.loadGameFile, TRUE);
1220 } else if (*appData.loadPositionFile != NULLCHAR) {
1221 (void) LoadPositionFromFile(appData.loadPositionFile,
1222 appData.loadPositionIndex,
1223 appData.loadPositionFile);
1224 /* [HGM] try to make self-starting even after FEN load */
1225 /* to allow automatic setup of fairy variants with wtm */
1226 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1227 gameMode = BeginningOfGame;
1228 setboardSpoiledMachineBlack = 1;
1230 /* [HGM] loadPos: make that every new game uses the setup */
1231 /* from file as long as we do not switch variant */
1232 if(!blackPlaysFirst) { int i;
1233 startedFromPositionFile = TRUE;
1234 CopyBoard(filePosition, boards[0]);
1235 for(i=0; i<BOARD_SIZE; i++) fileRights[i] = castlingRights[0][i];
1238 if (initialMode == AnalyzeMode) {
1239 if (appData.noChessProgram) {
1240 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1243 if (appData.icsActive) {
1244 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1248 } else if (initialMode == AnalyzeFile) {
1249 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1250 ShowThinkingEvent();
1252 AnalysisPeriodicEvent(1);
1253 } else if (initialMode == MachinePlaysWhite) {
1254 if (appData.noChessProgram) {
1255 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1259 if (appData.icsActive) {
1260 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1264 MachineWhiteEvent();
1265 } else if (initialMode == MachinePlaysBlack) {
1266 if (appData.noChessProgram) {
1267 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1271 if (appData.icsActive) {
1272 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1276 MachineBlackEvent();
1277 } else if (initialMode == TwoMachinesPlay) {
1278 if (appData.noChessProgram) {
1279 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1283 if (appData.icsActive) {
1284 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1289 } else if (initialMode == EditGame) {
1291 } else if (initialMode == EditPosition) {
1292 EditPositionEvent();
1293 } else if (initialMode == Training) {
1294 if (*appData.loadGameFile == NULLCHAR) {
1295 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1304 * Establish will establish a contact to a remote host.port.
1305 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1306 * used to talk to the host.
1307 * Returns 0 if okay, error code if not.
1314 if (*appData.icsCommPort != NULLCHAR) {
1315 /* Talk to the host through a serial comm port */
1316 return OpenCommPort(appData.icsCommPort, &icsPR);
1318 } else if (*appData.gateway != NULLCHAR) {
1319 if (*appData.remoteShell == NULLCHAR) {
1320 /* Use the rcmd protocol to run telnet program on a gateway host */
1321 snprintf(buf, sizeof(buf), "%s %s %s",
1322 appData.telnetProgram, appData.icsHost, appData.icsPort);
1323 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1326 /* Use the rsh program to run telnet program on a gateway host */
1327 if (*appData.remoteUser == NULLCHAR) {
1328 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1329 appData.gateway, appData.telnetProgram,
1330 appData.icsHost, appData.icsPort);
1332 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1333 appData.remoteShell, appData.gateway,
1334 appData.remoteUser, appData.telnetProgram,
1335 appData.icsHost, appData.icsPort);
1337 return StartChildProcess(buf, "", &icsPR);
1340 } else if (appData.useTelnet) {
1341 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1344 /* TCP socket interface differs somewhat between
1345 Unix and NT; handle details in the front end.
1347 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1352 show_bytes(fp, buf, count)
1358 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1359 fprintf(fp, "\\%03o", *buf & 0xff);
1368 /* Returns an errno value */
1370 OutputMaybeTelnet(pr, message, count, outError)
1376 char buf[8192], *p, *q, *buflim;
1377 int left, newcount, outcount;
1379 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1380 *appData.gateway != NULLCHAR) {
1381 if (appData.debugMode) {
1382 fprintf(debugFP, ">ICS: ");
1383 show_bytes(debugFP, message, count);
1384 fprintf(debugFP, "\n");
1386 return OutputToProcess(pr, message, count, outError);
1389 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1396 if (appData.debugMode) {
1397 fprintf(debugFP, ">ICS: ");
1398 show_bytes(debugFP, buf, newcount);
1399 fprintf(debugFP, "\n");
1401 outcount = OutputToProcess(pr, buf, newcount, outError);
1402 if (outcount < newcount) return -1; /* to be sure */
1409 } else if (((unsigned char) *p) == TN_IAC) {
1410 *q++ = (char) TN_IAC;
1417 if (appData.debugMode) {
1418 fprintf(debugFP, ">ICS: ");
1419 show_bytes(debugFP, buf, newcount);
1420 fprintf(debugFP, "\n");
1422 outcount = OutputToProcess(pr, buf, newcount, outError);
1423 if (outcount < newcount) return -1; /* to be sure */
1428 read_from_player(isr, closure, message, count, error)
1435 int outError, outCount;
1436 static int gotEof = 0;
1438 /* Pass data read from player on to ICS */
1441 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1442 if (outCount < count) {
1443 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1445 } else if (count < 0) {
1446 RemoveInputSource(isr);
1447 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1448 } else if (gotEof++ > 0) {
1449 RemoveInputSource(isr);
1450 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1458 int count, outCount, outError;
1460 if (icsPR == NULL) return;
1463 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1464 if (outCount < count) {
1465 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1469 /* This is used for sending logon scripts to the ICS. Sending
1470 without a delay causes problems when using timestamp on ICC
1471 (at least on my machine). */
1473 SendToICSDelayed(s,msdelay)
1477 int count, outCount, outError;
1479 if (icsPR == NULL) return;
1482 if (appData.debugMode) {
1483 fprintf(debugFP, ">ICS: ");
1484 show_bytes(debugFP, s, count);
1485 fprintf(debugFP, "\n");
1487 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1489 if (outCount < count) {
1490 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1495 /* Remove all highlighting escape sequences in s
1496 Also deletes any suffix starting with '('
1499 StripHighlightAndTitle(s)
1502 static char retbuf[MSG_SIZ];
1505 while (*s != NULLCHAR) {
1506 while (*s == '\033') {
1507 while (*s != NULLCHAR && !isalpha(*s)) s++;
1508 if (*s != NULLCHAR) s++;
1510 while (*s != NULLCHAR && *s != '\033') {
1511 if (*s == '(' || *s == '[') {
1522 /* Remove all highlighting escape sequences in s */
1527 static char retbuf[MSG_SIZ];
1530 while (*s != NULLCHAR) {
1531 while (*s == '\033') {
1532 while (*s != NULLCHAR && !isalpha(*s)) s++;
1533 if (*s != NULLCHAR) s++;
1535 while (*s != NULLCHAR && *s != '\033') {
1543 char *variantNames[] = VARIANT_NAMES;
1548 return variantNames[v];
1552 /* Identify a variant from the strings the chess servers use or the
1553 PGN Variant tag names we use. */
1560 VariantClass v = VariantNormal;
1561 int i, found = FALSE;
1566 /* [HGM] skip over optional board-size prefixes */
1567 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1568 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1569 while( *e++ != '_');
1572 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1573 if (StrCaseStr(e, variantNames[i])) {
1574 v = (VariantClass) i;
1581 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1582 || StrCaseStr(e, "wild/fr")
1583 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1584 v = VariantFischeRandom;
1585 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1586 (i = 1, p = StrCaseStr(e, "w"))) {
1588 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1595 case 0: /* FICS only, actually */
1597 /* Castling legal even if K starts on d-file */
1598 v = VariantWildCastle;
1603 /* Castling illegal even if K & R happen to start in
1604 normal positions. */
1605 v = VariantNoCastle;
1618 /* Castling legal iff K & R start in normal positions */
1624 /* Special wilds for position setup; unclear what to do here */
1625 v = VariantLoadable;
1628 /* Bizarre ICC game */
1629 v = VariantTwoKings;
1632 v = VariantKriegspiel;
1638 v = VariantFischeRandom;
1641 v = VariantCrazyhouse;
1644 v = VariantBughouse;
1650 /* Not quite the same as FICS suicide! */
1651 v = VariantGiveaway;
1657 v = VariantShatranj;
1660 /* Temporary names for future ICC types. The name *will* change in
1661 the next xboard/WinBoard release after ICC defines it. */
1699 v = VariantCapablanca;
1702 v = VariantKnightmate;
1708 v = VariantCylinder;
1714 v = VariantCapaRandom;
1717 v = VariantBerolina;
1729 /* Found "wild" or "w" in the string but no number;
1730 must assume it's normal chess. */
1734 sprintf(buf, _("Unknown wild type %d"), wnum);
1735 DisplayError(buf, 0);
1741 if (appData.debugMode) {
1742 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1743 e, wnum, VariantName(v));
1748 static int leftover_start = 0, leftover_len = 0;
1749 char star_match[STAR_MATCH_N][MSG_SIZ];
1751 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1752 advance *index beyond it, and set leftover_start to the new value of
1753 *index; else return FALSE. If pattern contains the character '*', it
1754 matches any sequence of characters not containing '\r', '\n', or the
1755 character following the '*' (if any), and the matched sequence(s) are
1756 copied into star_match.
1759 looking_at(buf, index, pattern)
1764 char *bufp = &buf[*index], *patternp = pattern;
1766 char *matchp = star_match[0];
1769 if (*patternp == NULLCHAR) {
1770 *index = leftover_start = bufp - buf;
1774 if (*bufp == NULLCHAR) return FALSE;
1775 if (*patternp == '*') {
1776 if (*bufp == *(patternp + 1)) {
1778 matchp = star_match[++star_count];
1782 } else if (*bufp == '\n' || *bufp == '\r') {
1784 if (*patternp == NULLCHAR)
1789 *matchp++ = *bufp++;
1793 if (*patternp != *bufp) return FALSE;
1800 SendToPlayer(data, length)
1804 int error, outCount;
1805 outCount = OutputToProcess(NoProc, data, length, &error);
1806 if (outCount < length) {
1807 DisplayFatalError(_("Error writing to display"), error, 1);
1812 PackHolding(packed, holding)
1824 switch (runlength) {
1835 sprintf(q, "%d", runlength);
1847 /* Telnet protocol requests from the front end */
1849 TelnetRequest(ddww, option)
1850 unsigned char ddww, option;
1852 unsigned char msg[3];
1853 int outCount, outError;
1855 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1857 if (appData.debugMode) {
1858 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1874 sprintf(buf1, "%d", ddww);
1883 sprintf(buf2, "%d", option);
1886 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1891 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1893 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1900 if (!appData.icsActive) return;
1901 TelnetRequest(TN_DO, TN_ECHO);
1907 if (!appData.icsActive) return;
1908 TelnetRequest(TN_DONT, TN_ECHO);
1912 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
1914 /* put the holdings sent to us by the server on the board holdings area */
1915 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
1919 if(gameInfo.holdingsWidth < 2) return;
1921 if( (int)lowestPiece >= BlackPawn ) {
1924 holdingsStartRow = BOARD_HEIGHT-1;
1927 holdingsColumn = BOARD_WIDTH-1;
1928 countsColumn = BOARD_WIDTH-2;
1929 holdingsStartRow = 0;
1933 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1934 board[i][holdingsColumn] = EmptySquare;
1935 board[i][countsColumn] = (ChessSquare) 0;
1937 while( (p=*holdings++) != NULLCHAR ) {
1938 piece = CharToPiece( ToUpper(p) );
1939 if(piece == EmptySquare) continue;
1940 /*j = (int) piece - (int) WhitePawn;*/
1941 j = PieceToNumber(piece);
1942 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1943 if(j < 0) continue; /* should not happen */
1944 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1945 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1946 board[holdingsStartRow+j*direction][countsColumn]++;
1953 VariantSwitch(Board board, VariantClass newVariant)
1955 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
1956 int oldCurrentMove = currentMove, oldForwardMostMove = forwardMostMove, oldBackwardMostMove = backwardMostMove;
1957 // Board tempBoard; int saveCastling[BOARD_SIZE], saveEP;
1959 startedFromPositionFile = FALSE;
1960 if(gameInfo.variant == newVariant) return;
1962 /* [HGM] This routine is called each time an assignment is made to
1963 * gameInfo.variant during a game, to make sure the board sizes
1964 * are set to match the new variant. If that means adding or deleting
1965 * holdings, we shift the playing board accordingly
1966 * This kludge is needed because in ICS observe mode, we get boards
1967 * of an ongoing game without knowing the variant, and learn about the
1968 * latter only later. This can be because of the move list we requested,
1969 * in which case the game history is refilled from the beginning anyway,
1970 * but also when receiving holdings of a crazyhouse game. In the latter
1971 * case we want to add those holdings to the already received position.
1975 if (appData.debugMode) {
1976 fprintf(debugFP, "Switch board from %s to %s\n",
1977 VariantName(gameInfo.variant), VariantName(newVariant));
1978 setbuf(debugFP, NULL);
1980 shuffleOpenings = 0; /* [HGM] shuffle */
1981 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
1982 switch(newVariant) {
1984 newWidth = 9; newHeight = 9;
1985 gameInfo.holdingsSize = 7;
1986 case VariantBughouse:
1987 case VariantCrazyhouse:
1988 newHoldingsWidth = 2; break;
1990 newHoldingsWidth = gameInfo.holdingsSize = 0;
1993 if(newWidth != gameInfo.boardWidth ||
1994 newHeight != gameInfo.boardHeight ||
1995 newHoldingsWidth != gameInfo.holdingsWidth ) {
1997 /* shift position to new playing area, if needed */
1998 if(newHoldingsWidth > gameInfo.holdingsWidth) {
1999 for(i=0; i<BOARD_HEIGHT; i++)
2000 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2001 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2003 for(i=0; i<newHeight; i++) {
2004 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2005 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2007 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2008 for(i=0; i<BOARD_HEIGHT; i++)
2009 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2010 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2014 gameInfo.boardWidth = newWidth;
2015 gameInfo.boardHeight = newHeight;
2016 gameInfo.holdingsWidth = newHoldingsWidth;
2017 gameInfo.variant = newVariant;
2018 InitDrawingSizes(-2, 0);
2020 /* [HGM] The following should definitely be solved in a better way */
2022 CopyBoard(board, tempBoard); /* save position in case it is board[0] */
2023 for(i=0; i<BOARD_SIZE; i++) saveCastling[i] = castlingRights[0][i];
2024 saveEP = epStatus[0];
2026 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2028 epStatus[0] = saveEP;
2029 for(i=0; i<BOARD_SIZE; i++) castlingRights[0][i] = saveCastling[i];
2030 CopyBoard(tempBoard, board); /* restore position received from ICS */
2032 } else { gameInfo.variant = newVariant; InitPosition(FALSE); }
2034 forwardMostMove = oldForwardMostMove;
2035 backwardMostMove = oldBackwardMostMove;
2036 currentMove = oldCurrentMove; /* InitPos reset these, but we need still to redraw the position */
2039 static int loggedOn = FALSE;
2041 /*-- Game start info cache: --*/
2043 char gs_kind[MSG_SIZ];
2044 static char player1Name[128] = "";
2045 static char player2Name[128] = "";
2046 static int player1Rating = -1;
2047 static int player2Rating = -1;
2048 /*----------------------------*/
2050 ColorClass curColor = ColorNormal;
2051 int suppressKibitz = 0;
2054 read_from_ics(isr, closure, data, count, error)
2061 #define BUF_SIZE 8192
2062 #define STARTED_NONE 0
2063 #define STARTED_MOVES 1
2064 #define STARTED_BOARD 2
2065 #define STARTED_OBSERVE 3
2066 #define STARTED_HOLDINGS 4
2067 #define STARTED_CHATTER 5
2068 #define STARTED_COMMENT 6
2069 #define STARTED_MOVES_NOHIDE 7
2071 static int started = STARTED_NONE;
2072 static char parse[20000];
2073 static int parse_pos = 0;
2074 static char buf[BUF_SIZE + 1];
2075 static int firstTime = TRUE, intfSet = FALSE;
2076 static ColorClass prevColor = ColorNormal;
2077 static int savingComment = FALSE;
2083 int backup; /* [DM] For zippy color lines */
2086 if (appData.debugMode) {
2088 fprintf(debugFP, "<ICS: ");
2089 show_bytes(debugFP, data, count);
2090 fprintf(debugFP, "\n");
2094 if (appData.debugMode) { int f = forwardMostMove;
2095 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2096 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
2099 /* If last read ended with a partial line that we couldn't parse,
2100 prepend it to the new read and try again. */
2101 if (leftover_len > 0) {
2102 for (i=0; i<leftover_len; i++)
2103 buf[i] = buf[leftover_start + i];
2106 /* Copy in new characters, removing nulls and \r's */
2107 buf_len = leftover_len;
2108 for (i = 0; i < count; i++) {
2109 if (data[i] != NULLCHAR && data[i] != '\r')
2110 buf[buf_len++] = data[i];
2111 if(buf_len >= 5 && buf[buf_len-5]=='\n' && buf[buf_len-4]=='\\' &&
2112 buf[buf_len-3]==' ' && buf[buf_len-2]==' ' && buf[buf_len-1]==' ')
2113 buf_len -= 5; // [HGM] ICS: join continuation line of Lasker 2.2.3 server with previous
2116 buf[buf_len] = NULLCHAR;
2117 next_out = leftover_len;
2121 while (i < buf_len) {
2122 /* Deal with part of the TELNET option negotiation
2123 protocol. We refuse to do anything beyond the
2124 defaults, except that we allow the WILL ECHO option,
2125 which ICS uses to turn off password echoing when we are
2126 directly connected to it. We reject this option
2127 if localLineEditing mode is on (always on in xboard)
2128 and we are talking to port 23, which might be a real
2129 telnet server that will try to keep WILL ECHO on permanently.
2131 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2132 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2133 unsigned char option;
2135 switch ((unsigned char) buf[++i]) {
2137 if (appData.debugMode)
2138 fprintf(debugFP, "\n<WILL ");
2139 switch (option = (unsigned char) buf[++i]) {
2141 if (appData.debugMode)
2142 fprintf(debugFP, "ECHO ");
2143 /* Reply only if this is a change, according
2144 to the protocol rules. */
2145 if (remoteEchoOption) break;
2146 if (appData.localLineEditing &&
2147 atoi(appData.icsPort) == TN_PORT) {
2148 TelnetRequest(TN_DONT, TN_ECHO);
2151 TelnetRequest(TN_DO, TN_ECHO);
2152 remoteEchoOption = TRUE;
2156 if (appData.debugMode)
2157 fprintf(debugFP, "%d ", option);
2158 /* Whatever this is, we don't want it. */
2159 TelnetRequest(TN_DONT, option);
2164 if (appData.debugMode)
2165 fprintf(debugFP, "\n<WONT ");
2166 switch (option = (unsigned char) buf[++i]) {
2168 if (appData.debugMode)
2169 fprintf(debugFP, "ECHO ");
2170 /* Reply only if this is a change, according
2171 to the protocol rules. */
2172 if (!remoteEchoOption) break;
2174 TelnetRequest(TN_DONT, TN_ECHO);
2175 remoteEchoOption = FALSE;
2178 if (appData.debugMode)
2179 fprintf(debugFP, "%d ", (unsigned char) option);
2180 /* Whatever this is, it must already be turned
2181 off, because we never agree to turn on
2182 anything non-default, so according to the
2183 protocol rules, we don't reply. */
2188 if (appData.debugMode)
2189 fprintf(debugFP, "\n<DO ");
2190 switch (option = (unsigned char) buf[++i]) {
2192 /* Whatever this is, we refuse to do it. */
2193 if (appData.debugMode)
2194 fprintf(debugFP, "%d ", option);
2195 TelnetRequest(TN_WONT, option);
2200 if (appData.debugMode)
2201 fprintf(debugFP, "\n<DONT ");
2202 switch (option = (unsigned char) buf[++i]) {
2204 if (appData.debugMode)
2205 fprintf(debugFP, "%d ", option);
2206 /* Whatever this is, we are already not doing
2207 it, because we never agree to do anything
2208 non-default, so according to the protocol
2209 rules, we don't reply. */
2214 if (appData.debugMode)
2215 fprintf(debugFP, "\n<IAC ");
2216 /* Doubled IAC; pass it through */
2220 if (appData.debugMode)
2221 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2222 /* Drop all other telnet commands on the floor */
2225 if (oldi > next_out)
2226 SendToPlayer(&buf[next_out], oldi - next_out);
2232 /* OK, this at least will *usually* work */
2233 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2237 if (loggedOn && !intfSet) {
2238 if (ics_type == ICS_ICC) {
2240 "/set-quietly interface %s\n/set-quietly style 12\n",
2243 } else if (ics_type == ICS_CHESSNET) {
2244 sprintf(str, "/style 12\n");
2246 strcpy(str, "alias $ @\n$set interface ");
2247 strcat(str, programVersion);
2248 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2250 strcat(str, "$iset nohighlight 1\n");
2252 strcat(str, "$iset lock 1\n$style 12\n");
2258 if (started == STARTED_COMMENT) {
2259 /* Accumulate characters in comment */
2260 parse[parse_pos++] = buf[i];
2261 if (buf[i] == '\n') {
2262 parse[parse_pos] = NULLCHAR;
2263 if(!suppressKibitz) // [HGM] kibitz
2264 AppendComment(forwardMostMove, StripHighlight(parse));
2265 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2266 int nrDigit = 0, nrAlph = 0, i;
2267 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2268 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2269 parse[parse_pos] = NULLCHAR;
2270 // try to be smart: if it does not look like search info, it should go to
2271 // ICS interaction window after all, not to engine-output window.
2272 for(i=0; i<parse_pos; i++) { // count letters and digits
2273 nrDigit += (parse[i] >= '0' && parse[i] <= '9');
2274 nrAlph += (parse[i] >= 'a' && parse[i] <= 'z');
2275 nrAlph += (parse[i] >= 'A' && parse[i] <= 'Z');
2277 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2278 int depth=0; float score;
2279 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2280 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2281 pvInfoList[forwardMostMove-1].depth = depth;
2282 pvInfoList[forwardMostMove-1].score = 100*score;
2284 OutputKibitz(suppressKibitz, parse);
2287 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2288 SendToPlayer(tmp, strlen(tmp));
2291 started = STARTED_NONE;
2293 /* Don't match patterns against characters in chatter */
2298 if (started == STARTED_CHATTER) {
2299 if (buf[i] != '\n') {
2300 /* Don't match patterns against characters in chatter */
2304 started = STARTED_NONE;
2307 /* Kludge to deal with rcmd protocol */
2308 if (firstTime && looking_at(buf, &i, "\001*")) {
2309 DisplayFatalError(&buf[1], 0, 1);
2315 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2318 if (appData.debugMode)
2319 fprintf(debugFP, "ics_type %d\n", ics_type);
2322 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2323 ics_type = ICS_FICS;
2325 if (appData.debugMode)
2326 fprintf(debugFP, "ics_type %d\n", ics_type);
2329 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2330 ics_type = ICS_CHESSNET;
2332 if (appData.debugMode)
2333 fprintf(debugFP, "ics_type %d\n", ics_type);
2338 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2339 looking_at(buf, &i, "Logging you in as \"*\"") ||
2340 looking_at(buf, &i, "will be \"*\""))) {
2341 strcpy(ics_handle, star_match[0]);
2345 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2347 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2348 DisplayIcsInteractionTitle(buf);
2349 have_set_title = TRUE;
2352 /* skip finger notes */
2353 if (started == STARTED_NONE &&
2354 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2355 (buf[i] == '1' && buf[i+1] == '0')) &&
2356 buf[i+2] == ':' && buf[i+3] == ' ') {
2357 started = STARTED_CHATTER;
2362 /* skip formula vars */
2363 if (started == STARTED_NONE &&
2364 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2365 started = STARTED_CHATTER;
2371 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2372 if (appData.autoKibitz && started == STARTED_NONE &&
2373 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2374 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2375 if(looking_at(buf, &i, "* kibitzes: ") &&
2376 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2377 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2378 suppressKibitz = TRUE;
2379 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2380 && (gameMode == IcsPlayingWhite)) ||
2381 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2382 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2383 started = STARTED_CHATTER; // own kibitz we simply discard
2385 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2386 parse_pos = 0; parse[0] = NULLCHAR;
2387 savingComment = TRUE;
2388 suppressKibitz = gameMode != IcsObserving ? 2 :
2389 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2393 if(looking_at(buf, &i, "kibitzed to")) { // suppress the acknowledgements of our own autoKibitz
2394 started = STARTED_CHATTER;
2395 suppressKibitz = TRUE;
2397 } // [HGM] kibitz: end of patch
2399 if (appData.zippyTalk || appData.zippyPlay) {
2400 /* [DM] Backup address for color zippy lines */
2404 if (loggedOn == TRUE)
2405 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2406 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2408 if (ZippyControl(buf, &i) ||
2409 ZippyConverse(buf, &i) ||
2410 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2412 if (!appData.colorize) continue;
2416 } // [DM] 'else { ' deleted
2417 if (/* Don't color "message" or "messages" output */
2418 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2419 looking_at(buf, &i, "*. * at *:*: ") ||
2420 looking_at(buf, &i, "--* (*:*): ") ||
2421 /* Regular tells and says */
2422 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2423 looking_at(buf, &i, "* (your partner) tells you: ") ||
2424 looking_at(buf, &i, "* says: ") ||
2425 /* Message notifications (same color as tells) */
2426 looking_at(buf, &i, "* has left a message ") ||
2427 looking_at(buf, &i, "* just sent you a message:\n") ||
2428 /* Whispers and kibitzes */
2429 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2430 looking_at(buf, &i, "* kibitzes: ") ||
2432 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2434 if (tkind == 1 && strchr(star_match[0], ':')) {
2435 /* Avoid "tells you:" spoofs in channels */
2438 if (star_match[0][0] == NULLCHAR ||
2439 strchr(star_match[0], ' ') ||
2440 (tkind == 3 && strchr(star_match[1], ' '))) {
2441 /* Reject bogus matches */
2444 if (appData.colorize) {
2445 if (oldi > next_out) {
2446 SendToPlayer(&buf[next_out], oldi - next_out);
2451 Colorize(ColorTell, FALSE);
2452 curColor = ColorTell;
2455 Colorize(ColorKibitz, FALSE);
2456 curColor = ColorKibitz;
2459 p = strrchr(star_match[1], '(');
2466 Colorize(ColorChannel1, FALSE);
2467 curColor = ColorChannel1;
2469 Colorize(ColorChannel, FALSE);
2470 curColor = ColorChannel;
2474 curColor = ColorNormal;
2478 if (started == STARTED_NONE && appData.autoComment &&
2479 (gameMode == IcsObserving ||
2480 gameMode == IcsPlayingWhite ||
2481 gameMode == IcsPlayingBlack)) {
2482 parse_pos = i - oldi;
2483 memcpy(parse, &buf[oldi], parse_pos);
2484 parse[parse_pos] = NULLCHAR;
2485 started = STARTED_COMMENT;
2486 savingComment = TRUE;
2488 started = STARTED_CHATTER;
2489 savingComment = FALSE;
2496 if (looking_at(buf, &i, "* s-shouts: ") ||
2497 looking_at(buf, &i, "* c-shouts: ")) {
2498 if (appData.colorize) {
2499 if (oldi > next_out) {
2500 SendToPlayer(&buf[next_out], oldi - next_out);
2503 Colorize(ColorSShout, FALSE);
2504 curColor = ColorSShout;
2507 started = STARTED_CHATTER;
2511 if (looking_at(buf, &i, "--->")) {
2516 if (looking_at(buf, &i, "* shouts: ") ||
2517 looking_at(buf, &i, "--> ")) {
2518 if (appData.colorize) {
2519 if (oldi > next_out) {
2520 SendToPlayer(&buf[next_out], oldi - next_out);
2523 Colorize(ColorShout, FALSE);
2524 curColor = ColorShout;
2527 started = STARTED_CHATTER;
2531 if (looking_at( buf, &i, "Challenge:")) {
2532 if (appData.colorize) {
2533 if (oldi > next_out) {
2534 SendToPlayer(&buf[next_out], oldi - next_out);
2537 Colorize(ColorChallenge, FALSE);
2538 curColor = ColorChallenge;
2544 if (looking_at(buf, &i, "* offers you") ||
2545 looking_at(buf, &i, "* offers to be") ||
2546 looking_at(buf, &i, "* would like to") ||
2547 looking_at(buf, &i, "* requests to") ||
2548 looking_at(buf, &i, "Your opponent offers") ||
2549 looking_at(buf, &i, "Your opponent requests")) {
2551 if (appData.colorize) {
2552 if (oldi > next_out) {
2553 SendToPlayer(&buf[next_out], oldi - next_out);
2556 Colorize(ColorRequest, FALSE);
2557 curColor = ColorRequest;
2562 if (looking_at(buf, &i, "* (*) seeking")) {
2563 if (appData.colorize) {
2564 if (oldi > next_out) {
2565 SendToPlayer(&buf[next_out], oldi - next_out);
2568 Colorize(ColorSeek, FALSE);
2569 curColor = ColorSeek;
2574 if (looking_at(buf, &i, "\\ ")) {
2575 if (prevColor != ColorNormal) {
2576 if (oldi > next_out) {
2577 SendToPlayer(&buf[next_out], oldi - next_out);
2580 Colorize(prevColor, TRUE);
2581 curColor = prevColor;
2583 if (savingComment) {
2584 parse_pos = i - oldi;
2585 memcpy(parse, &buf[oldi], parse_pos);
2586 parse[parse_pos] = NULLCHAR;
2587 started = STARTED_COMMENT;
2589 started = STARTED_CHATTER;
2594 if (looking_at(buf, &i, "Black Strength :") ||
2595 looking_at(buf, &i, "<<< style 10 board >>>") ||
2596 looking_at(buf, &i, "<10>") ||
2597 looking_at(buf, &i, "#@#")) {
2598 /* Wrong board style */
2600 SendToICS(ics_prefix);
2601 SendToICS("set style 12\n");
2602 SendToICS(ics_prefix);
2603 SendToICS("refresh\n");
2607 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
2609 have_sent_ICS_logon = 1;
2613 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
2614 (looking_at(buf, &i, "\n<12> ") ||
2615 looking_at(buf, &i, "<12> "))) {
2617 if (oldi > next_out) {
2618 SendToPlayer(&buf[next_out], oldi - next_out);
2621 started = STARTED_BOARD;
2626 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
2627 looking_at(buf, &i, "<b1> ")) {
2628 if (oldi > next_out) {
2629 SendToPlayer(&buf[next_out], oldi - next_out);
2632 started = STARTED_HOLDINGS;
2637 if (looking_at(buf, &i, "* *vs. * *--- *")) {
2639 /* Header for a move list -- first line */
2641 switch (ics_getting_history) {
2645 case BeginningOfGame:
2646 /* User typed "moves" or "oldmoves" while we
2647 were idle. Pretend we asked for these
2648 moves and soak them up so user can step
2649 through them and/or save them.
2652 gameMode = IcsObserving;
2655 ics_getting_history = H_GOT_UNREQ_HEADER;
2657 case EditGame: /*?*/
2658 case EditPosition: /*?*/
2659 /* Should above feature work in these modes too? */
2660 /* For now it doesn't */
2661 ics_getting_history = H_GOT_UNWANTED_HEADER;
2664 ics_getting_history = H_GOT_UNWANTED_HEADER;
2669 /* Is this the right one? */
2670 if (gameInfo.white && gameInfo.black &&
2671 strcmp(gameInfo.white, star_match[0]) == 0 &&
2672 strcmp(gameInfo.black, star_match[2]) == 0) {
2674 ics_getting_history = H_GOT_REQ_HEADER;
2677 case H_GOT_REQ_HEADER:
2678 case H_GOT_UNREQ_HEADER:
2679 case H_GOT_UNWANTED_HEADER:
2680 case H_GETTING_MOVES:
2681 /* Should not happen */
2682 DisplayError(_("Error gathering move list: two headers"), 0);
2683 ics_getting_history = H_FALSE;
2687 /* Save player ratings into gameInfo if needed */
2688 if ((ics_getting_history == H_GOT_REQ_HEADER ||
2689 ics_getting_history == H_GOT_UNREQ_HEADER) &&
2690 (gameInfo.whiteRating == -1 ||
2691 gameInfo.blackRating == -1)) {
2693 gameInfo.whiteRating = string_to_rating(star_match[1]);
2694 gameInfo.blackRating = string_to_rating(star_match[3]);
2695 if (appData.debugMode)
2696 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
2697 gameInfo.whiteRating, gameInfo.blackRating);
2702 if (looking_at(buf, &i,
2703 "* * match, initial time: * minute*, increment: * second")) {
2704 /* Header for a move list -- second line */
2705 /* Initial board will follow if this is a wild game */
2706 if (gameInfo.event != NULL) free(gameInfo.event);
2707 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
2708 gameInfo.event = StrSave(str);
2709 /* [HGM] we switched variant. Translate boards if needed. */
2710 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
2714 if (looking_at(buf, &i, "Move ")) {
2715 /* Beginning of a move list */
2716 switch (ics_getting_history) {
2718 /* Normally should not happen */
2719 /* Maybe user hit reset while we were parsing */
2722 /* Happens if we are ignoring a move list that is not
2723 * the one we just requested. Common if the user
2724 * tries to observe two games without turning off
2727 case H_GETTING_MOVES:
2728 /* Should not happen */
2729 DisplayError(_("Error gathering move list: nested"), 0);
2730 ics_getting_history = H_FALSE;
2732 case H_GOT_REQ_HEADER:
2733 ics_getting_history = H_GETTING_MOVES;
2734 started = STARTED_MOVES;
2736 if (oldi > next_out) {
2737 SendToPlayer(&buf[next_out], oldi - next_out);
2740 case H_GOT_UNREQ_HEADER:
2741 ics_getting_history = H_GETTING_MOVES;
2742 started = STARTED_MOVES_NOHIDE;
2745 case H_GOT_UNWANTED_HEADER:
2746 ics_getting_history = H_FALSE;
2752 if (looking_at(buf, &i, "% ") ||
2753 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
2754 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
2755 savingComment = FALSE;
2758 case STARTED_MOVES_NOHIDE:
2759 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
2760 parse[parse_pos + i - oldi] = NULLCHAR;
2761 ParseGameHistory(parse);
2763 if (appData.zippyPlay && first.initDone) {
2764 FeedMovesToProgram(&first, forwardMostMove);
2765 if (gameMode == IcsPlayingWhite) {
2766 if (WhiteOnMove(forwardMostMove)) {
2767 if (first.sendTime) {
2768 if (first.useColors) {
2769 SendToProgram("black\n", &first);
2771 SendTimeRemaining(&first, TRUE);
2774 if (first.useColors) {
2775 SendToProgram("white\ngo\n", &first);
2777 SendToProgram("go\n", &first);
2780 if (first.useColors) {
2781 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
2783 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
2785 first.maybeThinking = TRUE;
2787 if (first.usePlayother) {
2788 if (first.sendTime) {
2789 SendTimeRemaining(&first, TRUE);
2791 SendToProgram("playother\n", &first);
2797 } else if (gameMode == IcsPlayingBlack) {
2798 if (!WhiteOnMove(forwardMostMove)) {
2799 if (first.sendTime) {
2800 if (first.useColors) {
2801 SendToProgram("white\n", &first);
2803 SendTimeRemaining(&first, FALSE);
2806 if (first.useColors) {
2807 SendToProgram("black\ngo\n", &first);
2809 SendToProgram("go\n", &first);
2812 if (first.useColors) {
2813 SendToProgram("black\n", &first);
2815 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
2817 first.maybeThinking = TRUE;
2819 if (first.usePlayother) {
2820 if (first.sendTime) {
2821 SendTimeRemaining(&first, FALSE);
2823 SendToProgram("playother\n", &first);
2832 if (gameMode == IcsObserving && ics_gamenum == -1) {
2833 /* Moves came from oldmoves or moves command
2834 while we weren't doing anything else.
2836 currentMove = forwardMostMove;
2837 ClearHighlights();/*!!could figure this out*/
2838 flipView = appData.flipView;
2839 DrawPosition(FALSE, boards[currentMove]);
2840 DisplayBothClocks();
2841 sprintf(str, "%s vs. %s",
2842 gameInfo.white, gameInfo.black);
2846 /* Moves were history of an active game */
2847 if (gameInfo.resultDetails != NULL) {
2848 free(gameInfo.resultDetails);
2849 gameInfo.resultDetails = NULL;
2852 HistorySet(parseList, backwardMostMove,
2853 forwardMostMove, currentMove-1);
2854 DisplayMove(currentMove - 1);
2855 if (started == STARTED_MOVES) next_out = i;
2856 started = STARTED_NONE;
2857 ics_getting_history = H_FALSE;
2860 case STARTED_OBSERVE:
2861 started = STARTED_NONE;
2862 SendToICS(ics_prefix);
2863 SendToICS("refresh\n");
2869 if(bookHit) { // [HGM] book: simulate book reply
2870 static char bookMove[MSG_SIZ]; // a bit generous?
2872 programStats.nodes = programStats.depth = programStats.time =
2873 programStats.score = programStats.got_only_move = 0;
2874 sprintf(programStats.movelist, "%s (xbook)", bookHit);
2876 strcpy(bookMove, "move ");
2877 strcat(bookMove, bookHit);
2878 HandleMachineMove(bookMove, &first);
2883 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
2884 started == STARTED_HOLDINGS ||
2885 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
2886 /* Accumulate characters in move list or board */
2887 parse[parse_pos++] = buf[i];
2890 /* Start of game messages. Mostly we detect start of game
2891 when the first board image arrives. On some versions
2892 of the ICS, though, we need to do a "refresh" after starting
2893 to observe in order to get the current board right away. */
2894 if (looking_at(buf, &i, "Adding game * to observation list")) {
2895 started = STARTED_OBSERVE;
2899 /* Handle auto-observe */
2900 if (appData.autoObserve &&
2901 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
2902 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
2904 /* Choose the player that was highlighted, if any. */
2905 if (star_match[0][0] == '\033' ||
2906 star_match[1][0] != '\033') {
2907 player = star_match[0];
2909 player = star_match[2];
2911 sprintf(str, "%sobserve %s\n",
2912 ics_prefix, StripHighlightAndTitle(player));
2915 /* Save ratings from notify string */
2916 strcpy(player1Name, star_match[0]);
2917 player1Rating = string_to_rating(star_match[1]);
2918 strcpy(player2Name, star_match[2]);
2919 player2Rating = string_to_rating(star_match[3]);
2921 if (appData.debugMode)
2923 "Ratings from 'Game notification:' %s %d, %s %d\n",
2924 player1Name, player1Rating,
2925 player2Name, player2Rating);
2930 /* Deal with automatic examine mode after a game,
2931 and with IcsObserving -> IcsExamining transition */
2932 if (looking_at(buf, &i, "Entering examine mode for game *") ||
2933 looking_at(buf, &i, "has made you an examiner of game *")) {
2935 int gamenum = atoi(star_match[0]);
2936 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
2937 gamenum == ics_gamenum) {
2938 /* We were already playing or observing this game;
2939 no need to refetch history */
2940 gameMode = IcsExamining;
2942 pauseExamForwardMostMove = forwardMostMove;
2943 } else if (currentMove < forwardMostMove) {
2944 ForwardInner(forwardMostMove);
2947 /* I don't think this case really can happen */
2948 SendToICS(ics_prefix);
2949 SendToICS("refresh\n");
2954 /* Error messages */
2955 // if (ics_user_moved) {
2956 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
2957 if (looking_at(buf, &i, "Illegal move") ||
2958 looking_at(buf, &i, "Not a legal move") ||
2959 looking_at(buf, &i, "Your king is in check") ||
2960 looking_at(buf, &i, "It isn't your turn") ||
2961 looking_at(buf, &i, "It is not your move")) {
2963 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
2964 currentMove = --forwardMostMove;
2965 DisplayMove(currentMove - 1); /* before DMError */
2966 DrawPosition(FALSE, boards[currentMove]);
2968 DisplayBothClocks();
2970 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
2976 if (looking_at(buf, &i, "still have time") ||
2977 looking_at(buf, &i, "not out of time") ||
2978 looking_at(buf, &i, "either player is out of time") ||
2979 looking_at(buf, &i, "has timeseal; checking")) {
2980 /* We must have called his flag a little too soon */
2981 whiteFlag = blackFlag = FALSE;
2985 if (looking_at(buf, &i, "added * seconds to") ||
2986 looking_at(buf, &i, "seconds were added to")) {
2987 /* Update the clocks */
2988 SendToICS(ics_prefix);
2989 SendToICS("refresh\n");
2993 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
2994 ics_clock_paused = TRUE;
2999 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3000 ics_clock_paused = FALSE;
3005 /* Grab player ratings from the Creating: message.
3006 Note we have to check for the special case when
3007 the ICS inserts things like [white] or [black]. */
3008 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3009 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3011 0 player 1 name (not necessarily white)
3013 2 empty, white, or black (IGNORED)
3014 3 player 2 name (not necessarily black)
3017 The names/ratings are sorted out when the game
3018 actually starts (below).
3020 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3021 player1Rating = string_to_rating(star_match[1]);
3022 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3023 player2Rating = string_to_rating(star_match[4]);
3025 if (appData.debugMode)
3027 "Ratings from 'Creating:' %s %d, %s %d\n",
3028 player1Name, player1Rating,
3029 player2Name, player2Rating);
3034 /* Improved generic start/end-of-game messages */
3035 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3036 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3037 /* If tkind == 0: */
3038 /* star_match[0] is the game number */
3039 /* [1] is the white player's name */
3040 /* [2] is the black player's name */
3041 /* For end-of-game: */
3042 /* [3] is the reason for the game end */
3043 /* [4] is a PGN end game-token, preceded by " " */
3044 /* For start-of-game: */
3045 /* [3] begins with "Creating" or "Continuing" */
3046 /* [4] is " *" or empty (don't care). */
3047 int gamenum = atoi(star_match[0]);
3048 char *whitename, *blackname, *why, *endtoken;
3049 ChessMove endtype = (ChessMove) 0;
3052 whitename = star_match[1];
3053 blackname = star_match[2];
3054 why = star_match[3];
3055 endtoken = star_match[4];
3057 whitename = star_match[1];
3058 blackname = star_match[3];
3059 why = star_match[5];
3060 endtoken = star_match[6];
3063 /* Game start messages */
3064 if (strncmp(why, "Creating ", 9) == 0 ||
3065 strncmp(why, "Continuing ", 11) == 0) {
3066 gs_gamenum = gamenum;
3067 strcpy(gs_kind, strchr(why, ' ') + 1);
3069 if (appData.zippyPlay) {
3070 ZippyGameStart(whitename, blackname);
3076 /* Game end messages */
3077 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3078 ics_gamenum != gamenum) {
3081 while (endtoken[0] == ' ') endtoken++;
3082 switch (endtoken[0]) {
3085 endtype = GameUnfinished;
3088 endtype = BlackWins;
3091 if (endtoken[1] == '/')
3092 endtype = GameIsDrawn;
3094 endtype = WhiteWins;
3097 GameEnds(endtype, why, GE_ICS);
3099 if (appData.zippyPlay && first.initDone) {
3100 ZippyGameEnd(endtype, why);
3101 if (first.pr == NULL) {
3102 /* Start the next process early so that we'll
3103 be ready for the next challenge */
3104 StartChessProgram(&first);
3106 /* Send "new" early, in case this command takes
3107 a long time to finish, so that we'll be ready
3108 for the next challenge. */
3109 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3116 if (looking_at(buf, &i, "Removing game * from observation") ||
3117 looking_at(buf, &i, "no longer observing game *") ||
3118 looking_at(buf, &i, "Game * (*) has no examiners")) {
3119 if (gameMode == IcsObserving &&
3120 atoi(star_match[0]) == ics_gamenum)
3122 /* icsEngineAnalyze */
3123 if (appData.icsEngineAnalyze) {
3130 ics_user_moved = FALSE;
3135 if (looking_at(buf, &i, "no longer examining game *")) {
3136 if (gameMode == IcsExamining &&
3137 atoi(star_match[0]) == ics_gamenum)
3141 ics_user_moved = FALSE;
3146 /* Advance leftover_start past any newlines we find,
3147 so only partial lines can get reparsed */
3148 if (looking_at(buf, &i, "\n")) {
3149 prevColor = curColor;
3150 if (curColor != ColorNormal) {
3151 if (oldi > next_out) {
3152 SendToPlayer(&buf[next_out], oldi - next_out);
3155 Colorize(ColorNormal, FALSE);
3156 curColor = ColorNormal;
3158 if (started == STARTED_BOARD) {
3159 started = STARTED_NONE;
3160 parse[parse_pos] = NULLCHAR;
3161 ParseBoard12(parse);
3164 /* Send premove here */
3165 if (appData.premove) {
3167 if (currentMove == 0 &&
3168 gameMode == IcsPlayingWhite &&
3169 appData.premoveWhite) {
3170 sprintf(str, "%s%s\n", ics_prefix,
3171 appData.premoveWhiteText);
3172 if (appData.debugMode)
3173 fprintf(debugFP, "Sending premove:\n");
3175 } else if (currentMove == 1 &&
3176 gameMode == IcsPlayingBlack &&
3177 appData.premoveBlack) {
3178 sprintf(str, "%s%s\n", ics_prefix,
3179 appData.premoveBlackText);
3180 if (appData.debugMode)
3181 fprintf(debugFP, "Sending premove:\n");
3183 } else if (gotPremove) {
3185 ClearPremoveHighlights();
3186 if (appData.debugMode)
3187 fprintf(debugFP, "Sending premove:\n");
3188 UserMoveEvent(premoveFromX, premoveFromY,
3189 premoveToX, premoveToY,
3194 /* Usually suppress following prompt */
3195 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3196 if (looking_at(buf, &i, "*% ")) {
3197 savingComment = FALSE;
3201 } else if (started == STARTED_HOLDINGS) {
3203 char new_piece[MSG_SIZ];
3204 started = STARTED_NONE;
3205 parse[parse_pos] = NULLCHAR;
3206 if (appData.debugMode)
3207 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3208 parse, currentMove);
3209 if (sscanf(parse, " game %d", &gamenum) == 1 &&
3210 gamenum == ics_gamenum) {
3211 if (gameInfo.variant == VariantNormal) {
3212 /* [HGM] We seem to switch variant during a game!
3213 * Presumably no holdings were displayed, so we have
3214 * to move the position two files to the right to
3215 * create room for them!
3217 VariantSwitch(boards[currentMove], VariantCrazyhouse); /* temp guess */
3218 /* Get a move list just to see the header, which
3219 will tell us whether this is really bug or zh */
3220 if (ics_getting_history == H_FALSE) {
3221 ics_getting_history = H_REQUESTED;
3222 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3226 new_piece[0] = NULLCHAR;
3227 sscanf(parse, "game %d white [%s black [%s <- %s",
3228 &gamenum, white_holding, black_holding,
3230 white_holding[strlen(white_holding)-1] = NULLCHAR;
3231 black_holding[strlen(black_holding)-1] = NULLCHAR;
3232 /* [HGM] copy holdings to board holdings area */
3233 CopyHoldings(boards[currentMove], white_holding, WhitePawn);
3234 CopyHoldings(boards[currentMove], black_holding, BlackPawn);
3236 if (appData.zippyPlay && first.initDone) {
3237 ZippyHoldings(white_holding, black_holding,
3241 if (tinyLayout || smallLayout) {
3242 char wh[16], bh[16];
3243 PackHolding(wh, white_holding);
3244 PackHolding(bh, black_holding);
3245 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3246 gameInfo.white, gameInfo.black);
3248 sprintf(str, "%s [%s] vs. %s [%s]",
3249 gameInfo.white, white_holding,
3250 gameInfo.black, black_holding);
3253 DrawPosition(FALSE, boards[currentMove]);
3256 /* Suppress following prompt */
3257 if (looking_at(buf, &i, "*% ")) {
3258 savingComment = FALSE;
3265 i++; /* skip unparsed character and loop back */
3268 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz suppress printing in ICS interaction window
3269 started != STARTED_HOLDINGS && i > next_out) {
3270 SendToPlayer(&buf[next_out], i - next_out);
3273 suppressKibitz = FALSE; // [HGM] kibitz: has done its duty in if-statement above
3275 leftover_len = buf_len - leftover_start;
3276 /* if buffer ends with something we couldn't parse,
3277 reparse it after appending the next read */
3279 } else if (count == 0) {
3280 RemoveInputSource(isr);
3281 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3283 DisplayFatalError(_("Error reading from ICS"), error, 1);
3288 /* Board style 12 looks like this:
3290 <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
3292 * The "<12> " is stripped before it gets to this routine. The two
3293 * trailing 0's (flip state and clock ticking) are later addition, and
3294 * some chess servers may not have them, or may have only the first.
3295 * Additional trailing fields may be added in the future.
3298 #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"
3300 #define RELATION_OBSERVING_PLAYED 0
3301 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3302 #define RELATION_PLAYING_MYMOVE 1
3303 #define RELATION_PLAYING_NOTMYMOVE -1
3304 #define RELATION_EXAMINING 2
3305 #define RELATION_ISOLATED_BOARD -3
3306 #define RELATION_STARTING_POSITION -4 /* FICS only */
3309 ParseBoard12(string)
3312 GameMode newGameMode;
3313 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3314 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3315 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3316 char to_play, board_chars[200];
3317 char move_str[500], str[500], elapsed_time[500];
3318 char black[32], white[32];
3320 int prevMove = currentMove;
3323 int fromX, fromY, toX, toY;
3325 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3326 char *bookHit = NULL; // [HGM] book
3328 fromX = fromY = toX = toY = -1;
3332 if (appData.debugMode)
3333 fprintf(debugFP, _("Parsing board: %s\n"), string);
3335 move_str[0] = NULLCHAR;
3336 elapsed_time[0] = NULLCHAR;
3337 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3339 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3340 if(string[i] == ' ') { ranks++; files = 0; }
3344 for(j = 0; j <i; j++) board_chars[j] = string[j];
3345 board_chars[i] = '\0';
3348 n = sscanf(string, PATTERN, &to_play, &double_push,
3349 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3350 &gamenum, white, black, &relation, &basetime, &increment,
3351 &white_stren, &black_stren, &white_time, &black_time,
3352 &moveNum, str, elapsed_time, move_str, &ics_flip,
3356 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3357 DisplayError(str, 0);
3361 /* Convert the move number to internal form */
3362 moveNum = (moveNum - 1) * 2;
3363 if (to_play == 'B') moveNum++;
3364 if (moveNum >= MAX_MOVES) {
3365 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3371 case RELATION_OBSERVING_PLAYED:
3372 case RELATION_OBSERVING_STATIC:
3373 if (gamenum == -1) {
3374 /* Old ICC buglet */
3375 relation = RELATION_OBSERVING_STATIC;
3377 newGameMode = IcsObserving;
3379 case RELATION_PLAYING_MYMOVE:
3380 case RELATION_PLAYING_NOTMYMOVE:
3382 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3383 IcsPlayingWhite : IcsPlayingBlack;
3385 case RELATION_EXAMINING:
3386 newGameMode = IcsExamining;
3388 case RELATION_ISOLATED_BOARD:
3390 /* Just display this board. If user was doing something else,
3391 we will forget about it until the next board comes. */
3392 newGameMode = IcsIdle;
3394 case RELATION_STARTING_POSITION:
3395 newGameMode = gameMode;
3399 /* Modify behavior for initial board display on move listing
3402 switch (ics_getting_history) {
3406 case H_GOT_REQ_HEADER:
3407 case H_GOT_UNREQ_HEADER:
3408 /* This is the initial position of the current game */
3409 gamenum = ics_gamenum;
3410 moveNum = 0; /* old ICS bug workaround */
3411 if (to_play == 'B') {
3412 startedFromSetupPosition = TRUE;
3413 blackPlaysFirst = TRUE;
3415 if (forwardMostMove == 0) forwardMostMove = 1;
3416 if (backwardMostMove == 0) backwardMostMove = 1;
3417 if (currentMove == 0) currentMove = 1;
3419 newGameMode = gameMode;
3420 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3422 case H_GOT_UNWANTED_HEADER:
3423 /* This is an initial board that we don't want */
3425 case H_GETTING_MOVES:
3426 /* Should not happen */
3427 DisplayError(_("Error gathering move list: extra board"), 0);
3428 ics_getting_history = H_FALSE;
3432 /* Take action if this is the first board of a new game, or of a
3433 different game than is currently being displayed. */
3434 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3435 relation == RELATION_ISOLATED_BOARD) {
3437 /* Forget the old game and get the history (if any) of the new one */
3438 if (gameMode != BeginningOfGame) {
3442 if (appData.autoRaiseBoard) BoardToTop();
3444 if (gamenum == -1) {
3445 newGameMode = IcsIdle;
3446 } else if (moveNum > 0 && newGameMode != IcsIdle &&
3447 appData.getMoveList) {
3448 /* Need to get game history */
3449 ics_getting_history = H_REQUESTED;
3450 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3454 /* Initially flip the board to have black on the bottom if playing
3455 black or if the ICS flip flag is set, but let the user change
3456 it with the Flip View button. */
3457 flipView = appData.autoFlipView ?
3458 (newGameMode == IcsPlayingBlack) || ics_flip :
3461 /* Done with values from previous mode; copy in new ones */
3462 gameMode = newGameMode;
3464 ics_gamenum = gamenum;
3465 if (gamenum == gs_gamenum) {
3466 int klen = strlen(gs_kind);
3467 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3468 sprintf(str, "ICS %s", gs_kind);
3469 gameInfo.event = StrSave(str);
3471 gameInfo.event = StrSave("ICS game");
3473 gameInfo.site = StrSave(appData.icsHost);
3474 gameInfo.date = PGNDate();
3475 gameInfo.round = StrSave("-");
3476 gameInfo.white = StrSave(white);
3477 gameInfo.black = StrSave(black);
3478 timeControl = basetime * 60 * 1000;
3480 timeIncrement = increment * 1000;
3481 movesPerSession = 0;
3482 gameInfo.timeControl = TimeControlTagValue();
3483 VariantSwitch(board, StringToVariant(gameInfo.event) );
3484 if (appData.debugMode) {
3485 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3486 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3487 setbuf(debugFP, NULL);
3490 gameInfo.outOfBook = NULL;
3492 /* Do we have the ratings? */
3493 if (strcmp(player1Name, white) == 0 &&
3494 strcmp(player2Name, black) == 0) {
3495 if (appData.debugMode)
3496 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3497 player1Rating, player2Rating);
3498 gameInfo.whiteRating = player1Rating;
3499 gameInfo.blackRating = player2Rating;
3500 } else if (strcmp(player2Name, white) == 0 &&
3501 strcmp(player1Name, black) == 0) {
3502 if (appData.debugMode)
3503 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3504 player2Rating, player1Rating);
3505 gameInfo.whiteRating = player2Rating;
3506 gameInfo.blackRating = player1Rating;
3508 player1Name[0] = player2Name[0] = NULLCHAR;
3510 /* Silence shouts if requested */
3511 if (appData.quietPlay &&
3512 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
3513 SendToICS(ics_prefix);
3514 SendToICS("set shout 0\n");
3518 /* Deal with midgame name changes */
3520 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
3521 if (gameInfo.white) free(gameInfo.white);
3522 gameInfo.white = StrSave(white);
3524 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
3525 if (gameInfo.black) free(gameInfo.black);
3526 gameInfo.black = StrSave(black);
3530 /* Throw away game result if anything actually changes in examine mode */
3531 if (gameMode == IcsExamining && !newGame) {
3532 gameInfo.result = GameUnfinished;
3533 if (gameInfo.resultDetails != NULL) {
3534 free(gameInfo.resultDetails);
3535 gameInfo.resultDetails = NULL;
3539 /* In pausing && IcsExamining mode, we ignore boards coming
3540 in if they are in a different variation than we are. */
3541 if (pauseExamInvalid) return;
3542 if (pausing && gameMode == IcsExamining) {
3543 if (moveNum <= pauseExamForwardMostMove) {
3544 pauseExamInvalid = TRUE;
3545 forwardMostMove = pauseExamForwardMostMove;
3550 if (appData.debugMode) {
3551 fprintf(debugFP, "load %dx%d board\n", files, ranks);
3553 /* Parse the board */
3554 for (k = 0; k < ranks; k++) {
3555 for (j = 0; j < files; j++)
3556 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3557 if(gameInfo.holdingsWidth > 1) {
3558 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3559 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3562 CopyBoard(boards[moveNum], board);
3564 startedFromSetupPosition =
3565 !CompareBoards(board, initialPosition);
3566 if(startedFromSetupPosition)
3567 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
3570 /* [HGM] Set castling rights. Take the outermost Rooks,
3571 to make it also work for FRC opening positions. Note that board12
3572 is really defective for later FRC positions, as it has no way to
3573 indicate which Rook can castle if they are on the same side of King.
3574 For the initial position we grant rights to the outermost Rooks,
3575 and remember thos rights, and we then copy them on positions
3576 later in an FRC game. This means WB might not recognize castlings with
3577 Rooks that have moved back to their original position as illegal,
3578 but in ICS mode that is not its job anyway.
3580 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
3581 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
3583 for(i=BOARD_LEFT, j= -1; i<BOARD_RGHT; i++)
3584 if(board[0][i] == WhiteRook) j = i;
3585 initialRights[0] = castlingRights[moveNum][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3586 for(i=BOARD_RGHT-1, j= -1; i>=BOARD_LEFT; i--)
3587 if(board[0][i] == WhiteRook) j = i;
3588 initialRights[1] = castlingRights[moveNum][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3589 for(i=BOARD_LEFT, j= -1; i<BOARD_RGHT; i++)
3590 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3591 initialRights[3] = castlingRights[moveNum][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3592 for(i=BOARD_RGHT-1, j= -1; i>=BOARD_LEFT; i--)
3593 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3594 initialRights[4] = castlingRights[moveNum][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3596 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
3597 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3598 if(board[0][k] == wKing) initialRights[2] = castlingRights[moveNum][2] = k;
3599 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3600 if(board[BOARD_HEIGHT-1][k] == bKing)
3601 initialRights[5] = castlingRights[moveNum][5] = k;
3603 r = castlingRights[moveNum][0] = initialRights[0];
3604 if(board[0][r] != WhiteRook) castlingRights[moveNum][0] = -1;
3605 r = castlingRights[moveNum][1] = initialRights[1];
3606 if(board[0][r] != WhiteRook) castlingRights[moveNum][1] = -1;
3607 r = castlingRights[moveNum][3] = initialRights[3];
3608 if(board[BOARD_HEIGHT-1][r] != BlackRook) castlingRights[moveNum][3] = -1;
3609 r = castlingRights[moveNum][4] = initialRights[4];
3610 if(board[BOARD_HEIGHT-1][r] != BlackRook) castlingRights[moveNum][4] = -1;
3611 /* wildcastle kludge: always assume King has rights */
3612 r = castlingRights[moveNum][2] = initialRights[2];
3613 r = castlingRights[moveNum][5] = initialRights[5];
3615 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
3616 epStatus[moveNum] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
3619 if (ics_getting_history == H_GOT_REQ_HEADER ||
3620 ics_getting_history == H_GOT_UNREQ_HEADER) {
3621 /* This was an initial position from a move list, not
3622 the current position */
3626 /* Update currentMove and known move number limits */
3627 newMove = newGame || moveNum > forwardMostMove;
3629 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
3630 if (!newGame && appData.icsEngineAnalyze && moveNum < forwardMostMove) {
3631 takeback = forwardMostMove - moveNum;
3632 for (i = 0; i < takeback; i++) {
3633 if (appData.debugMode) fprintf(debugFP, "take back move\n");
3634 SendToProgram("undo\n", &first);
3639 forwardMostMove = backwardMostMove = currentMove = moveNum;
3640 if (gameMode == IcsExamining && moveNum == 0) {
3641 /* Workaround for ICS limitation: we are not told the wild
3642 type when starting to examine a game. But if we ask for
3643 the move list, the move list header will tell us */
3644 ics_getting_history = H_REQUESTED;
3645 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3648 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
3649 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
3650 forwardMostMove = moveNum;
3651 if (!pausing || currentMove > forwardMostMove)
3652 currentMove = forwardMostMove;
3654 /* New part of history that is not contiguous with old part */
3655 if (pausing && gameMode == IcsExamining) {
3656 pauseExamInvalid = TRUE;
3657 forwardMostMove = pauseExamForwardMostMove;
3660 forwardMostMove = backwardMostMove = currentMove = moveNum;
3661 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
3662 ics_getting_history = H_REQUESTED;
3663 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3668 /* Update the clocks */
3669 if (strchr(elapsed_time, '.')) {
3671 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
3672 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
3674 /* Time is in seconds */
3675 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
3676 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
3681 if (appData.zippyPlay && newGame &&
3682 gameMode != IcsObserving && gameMode != IcsIdle &&
3683 gameMode != IcsExamining)
3684 ZippyFirstBoard(moveNum, basetime, increment);
3687 /* Put the move on the move list, first converting
3688 to canonical algebraic form. */
3690 if (appData.debugMode) {
3691 if (appData.debugMode) { int f = forwardMostMove;
3692 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
3693 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
3695 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
3696 fprintf(debugFP, "moveNum = %d\n", moveNum);
3697 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
3698 setbuf(debugFP, NULL);
3700 if (moveNum <= backwardMostMove) {
3701 /* We don't know what the board looked like before
3703 strcpy(parseList[moveNum - 1], move_str);
3704 strcat(parseList[moveNum - 1], " ");
3705 strcat(parseList[moveNum - 1], elapsed_time);
3706 moveList[moveNum - 1][0] = NULLCHAR;
3707 } else if (strcmp(move_str, "none") == 0) {
3708 // [HGM] long SAN: swapped order; test for 'none' before parsing move
3709 /* Again, we don't know what the board looked like;
3710 this is really the start of the game. */
3711 parseList[moveNum - 1][0] = NULLCHAR;
3712 moveList[moveNum - 1][0] = NULLCHAR;
3713 backwardMostMove = moveNum;
3714 startedFromSetupPosition = TRUE;
3715 fromX = fromY = toX = toY = -1;
3717 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
3718 // So we parse the long-algebraic move string in stead of the SAN move
3719 int valid; char buf[MSG_SIZ], *prom;
3721 // str looks something like "Q/a1-a2"; kill the slash
3723 sprintf(buf, "%c%s", str[0], str+2);
3724 else strcpy(buf, str); // might be castling
3725 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
3726 strcat(buf, prom); // long move lacks promo specification!
3727 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
3728 if(appData.debugMode)
3729 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
3730 strcpy(move_str, buf);
3732 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
3733 &fromX, &fromY, &toX, &toY, &promoChar)
3734 || ParseOneMove(buf, moveNum - 1, &moveType,
3735 &fromX, &fromY, &toX, &toY, &promoChar);
3736 // end of long SAN patch
3738 (void) CoordsToAlgebraic(boards[moveNum - 1],
3739 PosFlags(moveNum - 1), EP_UNKNOWN,
3740 fromY, fromX, toY, toX, promoChar,
3741 parseList[moveNum-1]);
3742 switch (MateTest(boards[moveNum], PosFlags(moveNum), EP_UNKNOWN,
3743 castlingRights[moveNum]) ) {
3749 if(gameInfo.variant != VariantShogi)
3750 strcat(parseList[moveNum - 1], "+");
3753 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
3754 strcat(parseList[moveNum - 1], "#");
3757 strcat(parseList[moveNum - 1], " ");
3758 strcat(parseList[moveNum - 1], elapsed_time);
3759 /* currentMoveString is set as a side-effect of ParseOneMove */
3760 strcpy(moveList[moveNum - 1], currentMoveString);
3761 strcat(moveList[moveNum - 1], "\n");
3763 /* Move from ICS was illegal!? Punt. */
3764 if (appData.debugMode) {
3765 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
3766 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
3769 if (appData.testLegality && appData.debugMode) {
3770 sprintf(str, "Illegal move \"%s\" from ICS", move_str);
3771 DisplayError(str, 0);
3774 strcpy(parseList[moveNum - 1], move_str);
3775 strcat(parseList[moveNum - 1], " ");
3776 strcat(parseList[moveNum - 1], elapsed_time);
3777 moveList[moveNum - 1][0] = NULLCHAR;
3778 fromX = fromY = toX = toY = -1;
3781 if (appData.debugMode) {
3782 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
3783 setbuf(debugFP, NULL);
3787 /* Send move to chess program (BEFORE animating it). */
3788 if (appData.zippyPlay && !newGame && newMove &&
3789 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
3791 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
3792 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
3793 if (moveList[moveNum - 1][0] == NULLCHAR) {
3794 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
3796 DisplayError(str, 0);
3798 if (first.sendTime) {
3799 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
3801 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
3802 if (firstMove && !bookHit) {
3804 if (first.useColors) {
3805 SendToProgram(gameMode == IcsPlayingWhite ?
3807 "black\ngo\n", &first);
3809 SendToProgram("go\n", &first);
3811 first.maybeThinking = TRUE;
3814 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
3815 if (moveList[moveNum - 1][0] == NULLCHAR) {
3816 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
3817 DisplayError(str, 0);
3819 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
3820 SendMoveToProgram(moveNum - 1, &first);
3827 if (moveNum > 0 && !gotPremove) {
3828 /* If move comes from a remote source, animate it. If it
3829 isn't remote, it will have already been animated. */
3830 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
3831 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
3833 if (!pausing && appData.highlightLastMove) {
3834 SetHighlights(fromX, fromY, toX, toY);
3838 /* Start the clocks */
3839 whiteFlag = blackFlag = FALSE;
3840 appData.clockMode = !(basetime == 0 && increment == 0);
3842 ics_clock_paused = TRUE;
3844 } else if (ticking == 1) {
3845 ics_clock_paused = FALSE;
3847 if (gameMode == IcsIdle ||
3848 relation == RELATION_OBSERVING_STATIC ||
3849 relation == RELATION_EXAMINING ||
3851 DisplayBothClocks();
3855 /* Display opponents and material strengths */
3856 if (gameInfo.variant != VariantBughouse &&
3857 gameInfo.variant != VariantCrazyhouse) {
3858 if (tinyLayout || smallLayout) {
3859 if(gameInfo.variant == VariantNormal)
3860 sprintf(str, "%s(%d) %s(%d) {%d %d}",
3861 gameInfo.white, white_stren, gameInfo.black, black_stren,
3862 basetime, increment);
3864 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
3865 gameInfo.white, white_stren, gameInfo.black, black_stren,
3866 basetime, increment, (int) gameInfo.variant);
3868 if(gameInfo.variant == VariantNormal)
3869 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
3870 gameInfo.white, white_stren, gameInfo.black, black_stren,
3871 basetime, increment);
3873 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
3874 gameInfo.white, white_stren, gameInfo.black, black_stren,
3875 basetime, increment, VariantName(gameInfo.variant));
3878 if (appData.debugMode) {
3879 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
3884 /* Display the board */
3887 if (appData.premove)
3889 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
3890 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
3891 ClearPremoveHighlights();
3893 DrawPosition(FALSE, boards[currentMove]);
3894 DisplayMove(moveNum - 1);
3895 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
3896 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
3897 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
3898 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
3902 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
3904 if(bookHit) { // [HGM] book: simulate book reply
3905 static char bookMove[MSG_SIZ]; // a bit generous?
3907 programStats.nodes = programStats.depth = programStats.time =
3908 programStats.score = programStats.got_only_move = 0;
3909 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3911 strcpy(bookMove, "move ");
3912 strcat(bookMove, bookHit);
3913 HandleMachineMove(bookMove, &first);
3922 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
3923 ics_getting_history = H_REQUESTED;
3924 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
3930 AnalysisPeriodicEvent(force)
3933 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
3934 && !force) || !appData.periodicUpdates)
3937 /* Send . command to Crafty to collect stats */
3938 SendToProgram(".\n", &first);
3940 /* Don't send another until we get a response (this makes
3941 us stop sending to old Crafty's which don't understand
3942 the "." command (sending illegal cmds resets node count & time,
3943 which looks bad)) */
3944 programStats.ok_to_send = 0;
3948 SendMoveToProgram(moveNum, cps)
3950 ChessProgramState *cps;
3954 if (cps->useUsermove) {
3955 SendToProgram("usermove ", cps);
3959 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
3960 int len = space - parseList[moveNum];
3961 memcpy(buf, parseList[moveNum], len);
3963 buf[len] = NULLCHAR;
3965 sprintf(buf, "%s\n", parseList[moveNum]);
3967 SendToProgram(buf, cps);
3969 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
3970 AlphaRank(moveList[moveNum], 4);
3971 SendToProgram(moveList[moveNum], cps);
3972 AlphaRank(moveList[moveNum], 4); // and back
3974 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
3975 * the engine. It would be nice to have a better way to identify castle
3977 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
3978 && cps->useOOCastle) {
3979 int fromX = moveList[moveNum][0] - AAA;
3980 int fromY = moveList[moveNum][1] - ONE;
3981 int toX = moveList[moveNum][2] - AAA;
3982 int toY = moveList[moveNum][3] - ONE;
3983 if((boards[moveNum][fromY][fromX] == WhiteKing
3984 && boards[moveNum][toY][toX] == WhiteRook)
3985 || (boards[moveNum][fromY][fromX] == BlackKing
3986 && boards[moveNum][toY][toX] == BlackRook)) {
3987 if(toX > fromX) SendToProgram("O-O\n", cps);
3988 else SendToProgram("O-O-O\n", cps);
3990 else SendToProgram(moveList[moveNum], cps);
3992 else SendToProgram(moveList[moveNum], cps);
3993 /* End of additions by Tord */
3996 /* [HGM] setting up the opening has brought engine in force mode! */
3997 /* Send 'go' if we are in a mode where machine should play. */
3998 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
3999 (gameMode == TwoMachinesPlay ||
4001 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4003 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4004 SendToProgram("go\n", cps);
4005 if (appData.debugMode) {
4006 fprintf(debugFP, "(extra)\n");
4009 setboardSpoiledMachineBlack = 0;
4013 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4015 int fromX, fromY, toX, toY;
4017 char user_move[MSG_SIZ];
4021 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4022 (int)moveType, fromX, fromY, toX, toY);
4023 DisplayError(user_move + strlen("say "), 0);
4025 case WhiteKingSideCastle:
4026 case BlackKingSideCastle:
4027 case WhiteQueenSideCastleWild:
4028 case BlackQueenSideCastleWild:
4030 case WhiteHSideCastleFR:
4031 case BlackHSideCastleFR:
4033 sprintf(user_move, "o-o\n");
4035 case WhiteQueenSideCastle:
4036 case BlackQueenSideCastle:
4037 case WhiteKingSideCastleWild:
4038 case BlackKingSideCastleWild:
4040 case WhiteASideCastleFR:
4041 case BlackASideCastleFR:
4043 sprintf(user_move, "o-o-o\n");
4045 case WhitePromotionQueen:
4046 case BlackPromotionQueen:
4047 case WhitePromotionRook:
4048 case BlackPromotionRook:
4049 case WhitePromotionBishop:
4050 case BlackPromotionBishop:
4051 case WhitePromotionKnight:
4052 case BlackPromotionKnight:
4053 case WhitePromotionKing:
4054 case BlackPromotionKing:
4055 case WhitePromotionChancellor:
4056 case BlackPromotionChancellor:
4057 case WhitePromotionArchbishop:
4058 case BlackPromotionArchbishop:
4059 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier)
4060 sprintf(user_move, "%c%c%c%c=%c\n",
4061 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4062 PieceToChar(WhiteFerz));
4063 else if(gameInfo.variant == VariantGreat)
4064 sprintf(user_move, "%c%c%c%c=%c\n",
4065 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4066 PieceToChar(WhiteMan));
4068 sprintf(user_move, "%c%c%c%c=%c\n",
4069 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4070 PieceToChar(PromoPiece(moveType)));
4074 sprintf(user_move, "%c@%c%c\n",
4075 ToUpper(PieceToChar((ChessSquare) fromX)),
4076 AAA + toX, ONE + toY);
4079 case WhiteCapturesEnPassant:
4080 case BlackCapturesEnPassant:
4081 case IllegalMove: /* could be a variant we don't quite understand */
4082 sprintf(user_move, "%c%c%c%c\n",
4083 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4086 SendToICS(user_move);
4090 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4095 if (rf == DROP_RANK) {
4096 sprintf(move, "%c@%c%c\n",
4097 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4099 if (promoChar == 'x' || promoChar == NULLCHAR) {
4100 sprintf(move, "%c%c%c%c\n",
4101 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4103 sprintf(move, "%c%c%c%c%c\n",
4104 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4110 ProcessICSInitScript(f)
4115 while (fgets(buf, MSG_SIZ, f)) {
4116 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4123 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4125 AlphaRank(char *move, int n)
4127 // char *p = move, c; int x, y;
4129 if (appData.debugMode) {
4130 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4134 move[2]>='0' && move[2]<='9' &&
4135 move[3]>='a' && move[3]<='x' ) {
4137 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4138 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4140 if(move[0]>='0' && move[0]<='9' &&
4141 move[1]>='a' && move[1]<='x' &&
4142 move[2]>='0' && move[2]<='9' &&
4143 move[3]>='a' && move[3]<='x' ) {
4144 /* input move, Shogi -> normal */
4145 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4146 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4147 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4148 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4151 move[3]>='0' && move[3]<='9' &&
4152 move[2]>='a' && move[2]<='x' ) {
4154 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4155 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4158 move[0]>='a' && move[0]<='x' &&
4159 move[3]>='0' && move[3]<='9' &&
4160 move[2]>='a' && move[2]<='x' ) {
4161 /* output move, normal -> Shogi */
4162 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4163 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4164 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4165 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4166 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4168 if (appData.debugMode) {
4169 fprintf(debugFP, " out = '%s'\n", move);
4173 /* Parser for moves from gnuchess, ICS, or user typein box */
4175 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4178 ChessMove *moveType;
4179 int *fromX, *fromY, *toX, *toY;
4182 if (appData.debugMode) {
4183 fprintf(debugFP, "move to parse: %s\n", move);
4185 *moveType = yylexstr(moveNum, move);
4187 switch (*moveType) {
4188 case WhitePromotionChancellor:
4189 case BlackPromotionChancellor:
4190 case WhitePromotionArchbishop:
4191 case BlackPromotionArchbishop:
4192 case WhitePromotionQueen:
4193 case BlackPromotionQueen:
4194 case WhitePromotionRook:
4195 case BlackPromotionRook:
4196 case WhitePromotionBishop:
4197 case BlackPromotionBishop:
4198 case WhitePromotionKnight:
4199 case BlackPromotionKnight:
4200 case WhitePromotionKing:
4201 case BlackPromotionKing:
4203 case WhiteCapturesEnPassant:
4204 case BlackCapturesEnPassant:
4205 case WhiteKingSideCastle:
4206 case WhiteQueenSideCastle:
4207 case BlackKingSideCastle:
4208 case BlackQueenSideCastle:
4209 case WhiteKingSideCastleWild:
4210 case WhiteQueenSideCastleWild:
4211 case BlackKingSideCastleWild:
4212 case BlackQueenSideCastleWild:
4213 /* Code added by Tord: */
4214 case WhiteHSideCastleFR:
4215 case WhiteASideCastleFR:
4216 case BlackHSideCastleFR:
4217 case BlackASideCastleFR:
4218 /* End of code added by Tord */
4219 case IllegalMove: /* bug or odd chess variant */
4220 *fromX = currentMoveString[0] - AAA;
4221 *fromY = currentMoveString[1] - ONE;
4222 *toX = currentMoveString[2] - AAA;
4223 *toY = currentMoveString[3] - ONE;
4224 *promoChar = currentMoveString[4];
4225 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4226 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4227 if (appData.debugMode) {
4228 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4230 *fromX = *fromY = *toX = *toY = 0;
4233 if (appData.testLegality) {
4234 return (*moveType != IllegalMove);
4236 return !(fromX == fromY && toX == toY);
4241 *fromX = *moveType == WhiteDrop ?
4242 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4243 (int) CharToPiece(ToLower(currentMoveString[0]));
4245 *toX = currentMoveString[2] - AAA;
4246 *toY = currentMoveString[3] - ONE;
4247 *promoChar = NULLCHAR;
4251 case ImpossibleMove:
4252 case (ChessMove) 0: /* end of file */
4261 if (appData.debugMode) {
4262 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4265 *fromX = *fromY = *toX = *toY = 0;
4266 *promoChar = NULLCHAR;
4271 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
4272 // All positions will have equal probability, but the current method will not provide a unique
4273 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
4279 int piecesLeft[(int)BlackPawn];
4280 int seed, nrOfShuffles;
4282 void GetPositionNumber()
4283 { // sets global variable seed
4286 seed = appData.defaultFrcPosition;
4287 if(seed < 0) { // randomize based on time for negative FRC position numbers
4288 for(i=0; i<50; i++) seed += random();
4289 seed = random() ^ random() >> 8 ^ random() << 8;
4290 if(seed<0) seed = -seed;
4294 int put(Board board, int pieceType, int rank, int n, int shade)
4295 // put the piece on the (n-1)-th empty squares of the given shade
4299 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
4300 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
4301 board[rank][i] = (ChessSquare) pieceType;
4302 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
4304 piecesLeft[pieceType]--;
4312 void AddOnePiece(Board board, int pieceType, int rank, int shade)
4313 // calculate where the next piece goes, (any empty square), and put it there
4317 i = seed % squaresLeft[shade];
4318 nrOfShuffles *= squaresLeft[shade];
4319 seed /= squaresLeft[shade];
4320 put(board, pieceType, rank, i, shade);
4323 void AddTwoPieces(Board board, int pieceType, int rank)
4324 // calculate where the next 2 identical pieces go, (any empty square), and put it there
4326 int i, n=squaresLeft[ANY], j=n-1, k;
4328 k = n*(n-1)/2; // nr of possibilities, not counting permutations
4329 i = seed % k; // pick one
4332 while(i >= j) i -= j--;
4333 j = n - 1 - j; i += j;
4334 put(board, pieceType, rank, j, ANY);
4335 put(board, pieceType, rank, i, ANY);
4338 void SetUpShuffle(Board board, int number)
4342 GetPositionNumber(); nrOfShuffles = 1;
4344 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
4345 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
4346 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
4348 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
4350 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
4351 p = (int) board[0][i];
4352 if(p < (int) BlackPawn) piecesLeft[p] ++;
4353 board[0][i] = EmptySquare;
4356 if(PosFlags(0) & F_ALL_CASTLE_OK) {
4357 // shuffles restricted to allow normal castling put KRR first
4358 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
4359 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
4360 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
4361 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
4362 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
4363 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
4364 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
4365 put(board, WhiteRook, 0, 0, ANY);
4366 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
4369 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
4370 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
4371 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
4372 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
4373 while(piecesLeft[p] >= 2) {
4374 AddOnePiece(board, p, 0, LITE);
4375 AddOnePiece(board, p, 0, DARK);
4377 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
4380 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
4381 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
4382 // but we leave King and Rooks for last, to possibly obey FRC restriction
4383 if(p == (int)WhiteRook) continue;
4384 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
4385 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
4388 // now everything is placed, except perhaps King (Unicorn) and Rooks
4390 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
4391 // Last King gets castling rights
4392 while(piecesLeft[(int)WhiteUnicorn]) {
4393 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4394 initialRights[2] = initialRights[5] = castlingRights[0][2] = castlingRights[0][5] = i;
4397 while(piecesLeft[(int)WhiteKing]) {
4398 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4399 initialRights[2] = initialRights[5] = castlingRights[0][2] = castlingRights[0][5] = i;
4404 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
4405 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
4408 // Only Rooks can be left; simply place them all
4409 while(piecesLeft[(int)WhiteRook]) {
4410 i = put(board, WhiteRook, 0, 0, ANY);
4411 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
4414 initialRights[1] = initialRights[4] = castlingRights[0][1] = castlingRights[0][4] = i;
4416 initialRights[0] = initialRights[3] = castlingRights[0][0] = castlingRights[0][3] = i;
4419 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
4420 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
4423 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
4426 int SetCharTable( char *table, const char * map )
4427 /* [HGM] moved here from winboard.c because of its general usefulness */
4428 /* Basically a safe strcpy that uses the last character as King */
4430 int result = FALSE; int NrPieces;
4432 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
4433 && NrPieces >= 12 && !(NrPieces&1)) {
4434 int i; /* [HGM] Accept even length from 12 to 34 */
4436 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
4437 for( i=0; i<NrPieces/2-1; i++ ) {
4439 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
4441 table[(int) WhiteKing] = map[NrPieces/2-1];
4442 table[(int) BlackKing] = map[NrPieces-1];
4450 void Prelude(Board board)
4451 { // [HGM] superchess: random selection of exo-pieces
4452 int i, j, k; ChessSquare p;
4453 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
4455 GetPositionNumber(); // use FRC position number
4457 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
4458 SetCharTable(pieceToChar, appData.pieceToCharTable);
4459 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
4460 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
4463 j = seed%4; seed /= 4;
4464 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
4465 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4466 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4467 j = seed%3 + (seed%3 >= j); seed /= 3;
4468 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
4469 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4470 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4471 j = seed%3; seed /= 3;
4472 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4473 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4474 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4475 j = seed%2 + (seed%2 >= j); seed /= 2;
4476 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4477 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4478 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4479 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
4480 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
4481 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
4482 put(board, exoPieces[0], 0, 0, ANY);
4483 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
4487 InitPosition(redraw)
4490 ChessSquare (* pieces)[BOARD_SIZE];
4491 int i, j, pawnRow, overrule,
4492 oldx = gameInfo.boardWidth,
4493 oldy = gameInfo.boardHeight,
4494 oldh = gameInfo.holdingsWidth,
4495 oldv = gameInfo.variant;
4497 currentMove = forwardMostMove = backwardMostMove = 0;
4498 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
4500 /* [AS] Initialize pv info list [HGM] and game status */
4502 for( i=0; i<MAX_MOVES; i++ ) {
4503 pvInfoList[i].depth = 0;
4504 epStatus[i]=EP_NONE;
4505 for( j=0; j<BOARD_SIZE; j++ ) castlingRights[i][j] = -1;
4508 initialRulePlies = 0; /* 50-move counter start */
4510 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
4511 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
4515 /* [HGM] logic here is completely changed. In stead of full positions */
4516 /* the initialized data only consist of the two backranks. The switch */
4517 /* selects which one we will use, which is than copied to the Board */
4518 /* initialPosition, which for the rest is initialized by Pawns and */
4519 /* empty squares. This initial position is then copied to boards[0], */
4520 /* possibly after shuffling, so that it remains available. */
4522 gameInfo.holdingsWidth = 0; /* default board sizes */
4523 gameInfo.boardWidth = 8;
4524 gameInfo.boardHeight = 8;
4525 gameInfo.holdingsSize = 0;
4526 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
4527 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1; /* but no rights yet */
4528 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
4530 switch (gameInfo.variant) {
4531 case VariantFischeRandom:
4532 shuffleOpenings = TRUE;
4536 case VariantShatranj:
4537 pieces = ShatranjArray;
4538 nrCastlingRights = 0;
4539 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
4541 case VariantTwoKings:
4542 pieces = twoKingsArray;
4544 case VariantCapaRandom:
4545 shuffleOpenings = TRUE;
4546 case VariantCapablanca:
4547 pieces = CapablancaArray;
4548 gameInfo.boardWidth = 10;
4549 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
4552 pieces = GothicArray;
4553 gameInfo.boardWidth = 10;
4554 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
4557 pieces = JanusArray;
4558 gameInfo.boardWidth = 10;
4559 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
4560 nrCastlingRights = 6;
4561 castlingRights[0][0] = initialRights[0] = BOARD_RGHT-1;
4562 castlingRights[0][1] = initialRights[1] = BOARD_LEFT;
4563 castlingRights[0][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
4564 castlingRights[0][3] = initialRights[3] = BOARD_RGHT-1;
4565 castlingRights[0][4] = initialRights[4] = BOARD_LEFT;
4566 castlingRights[0][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
4569 pieces = FalconArray;
4570 gameInfo.boardWidth = 10;
4571 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
4573 case VariantXiangqi:
4574 pieces = XiangqiArray;
4575 gameInfo.boardWidth = 9;
4576 gameInfo.boardHeight = 10;
4577 nrCastlingRights = 0;
4578 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
4581 pieces = ShogiArray;
4582 gameInfo.boardWidth = 9;
4583 gameInfo.boardHeight = 9;
4584 gameInfo.holdingsSize = 7;
4585 nrCastlingRights = 0;
4586 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
4588 case VariantCourier:
4589 pieces = CourierArray;
4590 gameInfo.boardWidth = 12;
4591 nrCastlingRights = 0;
4592 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
4593 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1;
4595 case VariantKnightmate:
4596 pieces = KnightmateArray;
4597 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
4600 pieces = fairyArray;
4601 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVSLUKpnbrqfeacwmohijgdvsluk");
4604 pieces = GreatArray;
4605 gameInfo.boardWidth = 10;
4606 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
4607 gameInfo.holdingsSize = 8;
4611 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
4612 gameInfo.holdingsSize = 8;
4613 startedFromSetupPosition = TRUE;
4615 case VariantCrazyhouse:
4616 case VariantBughouse:
4618 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
4619 gameInfo.holdingsSize = 5;
4621 case VariantWildCastle:
4623 /* !!?shuffle with kings guaranteed to be on d or e file */
4624 shuffleOpenings = 1;
4626 case VariantNoCastle:
4628 nrCastlingRights = 0;
4629 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1;
4630 /* !!?unconstrained back-rank shuffle */
4631 shuffleOpenings = 1;
4636 if(appData.NrFiles >= 0) {
4637 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
4638 gameInfo.boardWidth = appData.NrFiles;
4640 if(appData.NrRanks >= 0) {
4641 gameInfo.boardHeight = appData.NrRanks;
4643 if(appData.holdingsSize >= 0) {
4644 i = appData.holdingsSize;
4645 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
4646 gameInfo.holdingsSize = i;
4648 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
4649 if(BOARD_HEIGHT > BOARD_SIZE || BOARD_WIDTH > BOARD_SIZE)
4650 DisplayFatalError(_("Recompile to support this BOARD_SIZE!"), 0, 2);
4652 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
4653 if(pawnRow < 1) pawnRow = 1;
4655 /* User pieceToChar list overrules defaults */
4656 if(appData.pieceToCharTable != NULL)
4657 SetCharTable(pieceToChar, appData.pieceToCharTable);
4659 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
4661 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
4662 s = (ChessSquare) 0; /* account holding counts in guard band */
4663 for( i=0; i<BOARD_HEIGHT; i++ )
4664 initialPosition[i][j] = s;
4666 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
4667 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
4668 initialPosition[pawnRow][j] = WhitePawn;
4669 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
4670 if(gameInfo.variant == VariantXiangqi) {
4672 initialPosition[pawnRow][j] =
4673 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
4674 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
4675 initialPosition[2][j] = WhiteCannon;
4676 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
4680 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
4682 if( (gameInfo.variant == VariantShogi) && !overrule ) {
4685 initialPosition[1][j] = WhiteBishop;
4686 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
4688 initialPosition[1][j] = WhiteRook;
4689 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
4692 if( nrCastlingRights == -1) {
4693 /* [HGM] Build normal castling rights (must be done after board sizing!) */
4694 /* This sets default castling rights from none to normal corners */
4695 /* Variants with other castling rights must set them themselves above */
4696 nrCastlingRights = 6;
4698 castlingRights[0][0] = initialRights[0] = BOARD_RGHT-1;
4699 castlingRights[0][1] = initialRights[1] = BOARD_LEFT;
4700 castlingRights[0][2] = initialRights[2] = BOARD_WIDTH>>1;
4701 castlingRights[0][3] = initialRights[3] = BOARD_RGHT-1;
4702 castlingRights[0][4] = initialRights[4] = BOARD_LEFT;
4703 castlingRights[0][5] = initialRights[5] = BOARD_WIDTH>>1;
4706 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
4707 if(gameInfo.variant == VariantGreat) { // promotion commoners
4708 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
4709 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
4710 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
4711 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
4714 if(gameInfo.variant == VariantFischeRandom) {
4715 if( appData.defaultFrcPosition < 0 ) {
4716 ShuffleFRC( initialPosition );
4719 SetupFRC( initialPosition, appData.defaultFrcPosition );
4721 startedFromSetupPosition = TRUE;
4724 if (appData.debugMode) {
4725 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
4727 if(shuffleOpenings) {
4728 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
4729 startedFromSetupPosition = TRUE;
4732 if(startedFromPositionFile) {
4733 /* [HGM] loadPos: use PositionFile for every new game */
4734 CopyBoard(initialPosition, filePosition);
4735 for(i=0; i<nrCastlingRights; i++)
4736 castlingRights[0][i] = initialRights[i] = fileRights[i];
4737 startedFromSetupPosition = TRUE;
4740 CopyBoard(boards[0], initialPosition);
4742 if(oldx != gameInfo.boardWidth ||
4743 oldy != gameInfo.boardHeight ||
4744 oldh != gameInfo.holdingsWidth
4746 || oldv == VariantGothic || // For licensing popups
4747 gameInfo.variant == VariantGothic
4750 || oldv == VariantFalcon ||
4751 gameInfo.variant == VariantFalcon
4754 InitDrawingSizes(-2 ,0);
4757 DrawPosition(TRUE, boards[currentMove]);
4761 SendBoard(cps, moveNum)
4762 ChessProgramState *cps;
4765 char message[MSG_SIZ];
4767 if (cps->useSetboard) {
4768 char* fen = PositionToFEN(moveNum, cps->fenOverride);
4769 sprintf(message, "setboard %s\n", fen);
4770 SendToProgram(message, cps);
4776 /* Kludge to set black to move, avoiding the troublesome and now
4777 * deprecated "black" command.
4779 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
4781 SendToProgram("edit\n", cps);
4782 SendToProgram("#\n", cps);
4783 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
4784 bp = &boards[moveNum][i][BOARD_LEFT];
4785 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
4786 if ((int) *bp < (int) BlackPawn) {
4787 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
4789 if(message[0] == '+' || message[0] == '~') {
4790 sprintf(message, "%c%c%c+\n",
4791 PieceToChar((ChessSquare)(DEMOTED *bp)),
4794 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
4795 message[1] = BOARD_RGHT - 1 - j + '1';
4796 message[2] = BOARD_HEIGHT - 1 - i + 'a';
4798 SendToProgram(message, cps);
4803 SendToProgram("c\n", cps);
4804 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
4805 bp = &boards[moveNum][i][BOARD_LEFT];
4806 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
4807 if (((int) *bp != (int) EmptySquare)
4808 && ((int) *bp >= (int) BlackPawn)) {
4809 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
4811 if(message[0] == '+' || message[0] == '~') {
4812 sprintf(message, "%c%c%c+\n",
4813 PieceToChar((ChessSquare)(DEMOTED *bp)),
4816 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
4817 message[1] = BOARD_RGHT - 1 - j + '1';
4818 message[2] = BOARD_HEIGHT - 1 - i + 'a';
4820 SendToProgram(message, cps);
4825 SendToProgram(".\n", cps);
4827 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
4831 IsPromotion(fromX, fromY, toX, toY)
4832 int fromX, fromY, toX, toY;
4834 /* [HGM] add Shogi promotions */
4835 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
4838 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi ||
4839 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) return FALSE;
4840 /* [HGM] Note to self: line above also weeds out drops */
4841 piece = boards[currentMove][fromY][fromX];
4842 if(gameInfo.variant == VariantShogi) {
4843 promotionZoneSize = 3;
4844 highestPromotingPiece = (int)WhiteKing;
4845 /* [HGM] Should be Silver = Ferz, really, but legality testing is off,
4846 and if in normal chess we then allow promotion to King, why not
4847 allow promotion of other piece in Shogi? */
4849 if((int)piece >= BlackPawn) {
4850 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
4852 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
4854 if( toY < BOARD_HEIGHT - promotionZoneSize &&
4855 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
4857 return ( (int)piece <= highestPromotingPiece );
4861 InPalace(row, column)
4863 { /* [HGM] for Xiangqi */
4864 if( (row < 3 || row > BOARD_HEIGHT-4) &&
4865 column < (BOARD_WIDTH + 4)/2 &&
4866 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
4871 PieceForSquare (x, y)
4875 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
4878 return boards[currentMove][y][x];
4882 OKToStartUserMove(x, y)
4885 ChessSquare from_piece;
4888 if (matchMode) return FALSE;
4889 if (gameMode == EditPosition) return TRUE;
4891 if (x >= 0 && y >= 0)
4892 from_piece = boards[currentMove][y][x];
4894 from_piece = EmptySquare;
4896 if (from_piece == EmptySquare) return FALSE;
4898 white_piece = (int)from_piece >= (int)WhitePawn &&
4899 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
4902 case PlayFromGameFile:
4904 case TwoMachinesPlay:
4912 case MachinePlaysWhite:
4913 case IcsPlayingBlack:
4914 if (appData.zippyPlay) return FALSE;
4916 DisplayMoveError(_("You are playing Black"));
4921 case MachinePlaysBlack:
4922 case IcsPlayingWhite:
4923 if (appData.zippyPlay) return FALSE;
4925 DisplayMoveError(_("You are playing White"));
4931 if (!white_piece && WhiteOnMove(currentMove)) {
4932 DisplayMoveError(_("It is White's turn"));
4935 if (white_piece && !WhiteOnMove(currentMove)) {
4936 DisplayMoveError(_("It is Black's turn"));
4939 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
4940 /* Editing correspondence game history */
4941 /* Could disallow this or prompt for confirmation */
4944 if (currentMove < forwardMostMove) {
4945 /* Discarding moves */
4946 /* Could prompt for confirmation here,
4947 but I don't think that's such a good idea */
4948 forwardMostMove = currentMove;
4952 case BeginningOfGame:
4953 if (appData.icsActive) return FALSE;
4954 if (!appData.noChessProgram) {
4956 DisplayMoveError(_("You are playing White"));
4963 if (!white_piece && WhiteOnMove(currentMove)) {
4964 DisplayMoveError(_("It is White's turn"));
4967 if (white_piece && !WhiteOnMove(currentMove)) {
4968 DisplayMoveError(_("It is Black's turn"));
4977 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
4978 && gameMode != AnalyzeFile && gameMode != Training) {
4979 DisplayMoveError(_("Displayed position is not current"));
4985 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
4986 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
4987 int lastLoadGameUseList = FALSE;
4988 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
4989 ChessMove lastLoadGameStart = (ChessMove) 0;
4993 UserMoveTest(fromX, fromY, toX, toY, promoChar)
4994 int fromX, fromY, toX, toY;
4998 ChessSquare pdown, pup;
5000 if (fromX < 0 || fromY < 0) return ImpossibleMove;
5001 if ((fromX == toX) && (fromY == toY)) {
5002 return ImpossibleMove;
5005 /* [HGM] suppress all moves into holdings area and guard band */
5006 if( toX < BOARD_LEFT || toX >= BOARD_RGHT || toY < 0 )
5007 return ImpossibleMove;
5009 /* [HGM] <sameColor> moved to here from winboard.c */
5010 /* note: this code seems to exist for filtering out some obviously illegal premoves */
5011 pdown = boards[currentMove][fromY][fromX];
5012 pup = boards[currentMove][toY][toX];
5013 if ( gameMode != EditPosition &&
5014 (WhitePawn <= pdown && pdown < BlackPawn &&
5015 WhitePawn <= pup && pup < BlackPawn ||
5016 BlackPawn <= pdown && pdown < EmptySquare &&
5017 BlackPawn <= pup && pup < EmptySquare
5018 ) && !((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
5019 (pup == WhiteRook && pdown == WhiteKing && fromY == 0 && toY == 0||
5020 pup == BlackRook && pdown == BlackKing && fromY == BOARD_HEIGHT-1 && toY == BOARD_HEIGHT-1 )
5022 return ImpossibleMove;
5024 /* Check if the user is playing in turn. This is complicated because we
5025 let the user "pick up" a piece before it is his turn. So the piece he
5026 tried to pick up may have been captured by the time he puts it down!
5027 Therefore we use the color the user is supposed to be playing in this
5028 test, not the color of the piece that is currently on the starting
5029 square---except in EditGame mode, where the user is playing both
5030 sides; fortunately there the capture race can't happen. (It can
5031 now happen in IcsExamining mode, but that's just too bad. The user
5032 will get a somewhat confusing message in that case.)
5036 case PlayFromGameFile:
5038 case TwoMachinesPlay:
5042 /* We switched into a game mode where moves are not accepted,
5043 perhaps while the mouse button was down. */
5044 return ImpossibleMove;
5046 case MachinePlaysWhite:
5047 /* User is moving for Black */
5048 if (WhiteOnMove(currentMove)) {
5049 DisplayMoveError(_("It is White's turn"));
5050 return ImpossibleMove;
5054 case MachinePlaysBlack:
5055 /* User is moving for White */
5056 if (!WhiteOnMove(currentMove)) {
5057 DisplayMoveError(_("It is Black's turn"));
5058 return ImpossibleMove;
5064 case BeginningOfGame:
5067 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5068 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5069 /* User is moving for Black */
5070 if (WhiteOnMove(currentMove)) {
5071 DisplayMoveError(_("It is White's turn"));
5072 return ImpossibleMove;
5075 /* User is moving for White */
5076 if (!WhiteOnMove(currentMove)) {
5077 DisplayMoveError(_("It is Black's turn"));
5078 return ImpossibleMove;
5083 case IcsPlayingBlack:
5084 /* User is moving for Black */
5085 if (WhiteOnMove(currentMove)) {
5086 if (!appData.premove) {
5087 DisplayMoveError(_("It is White's turn"));
5088 } else if (toX >= 0 && toY >= 0) {
5091 premoveFromX = fromX;
5092 premoveFromY = fromY;
5093 premovePromoChar = promoChar;
5095 if (appData.debugMode)
5096 fprintf(debugFP, "Got premove: fromX %d,"
5097 "fromY %d, toX %d, toY %d\n",
5098 fromX, fromY, toX, toY);
5100 return ImpossibleMove;
5104 case IcsPlayingWhite:
5105 /* User is moving for White */
5106 if (!WhiteOnMove(currentMove)) {
5107 if (!appData.premove) {
5108 DisplayMoveError(_("It is Black's turn"));
5109 } else if (toX >= 0 && toY >= 0) {
5112 premoveFromX = fromX;
5113 premoveFromY = fromY;
5114 premovePromoChar = promoChar;
5116 if (appData.debugMode)
5117 fprintf(debugFP, "Got premove: fromX %d,"
5118 "fromY %d, toX %d, toY %d\n",
5119 fromX, fromY, toX, toY);
5121 return ImpossibleMove;
5129 /* EditPosition, empty square, or different color piece;
5130 click-click move is possible */
5131 if (toX == -2 || toY == -2) {
5132 boards[0][fromY][fromX] = EmptySquare;
5133 return AmbiguousMove;
5134 } else if (toX >= 0 && toY >= 0) {
5135 boards[0][toY][toX] = boards[0][fromY][fromX];
5136 boards[0][fromY][fromX] = EmptySquare;
5137 return AmbiguousMove;
5139 return ImpossibleMove;
5142 /* [HGM] If move started in holdings, it means a drop */
5143 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5144 if( pup != EmptySquare ) return ImpossibleMove;
5145 if(appData.testLegality) {
5146 /* it would be more logical if LegalityTest() also figured out
5147 * which drops are legal. For now we forbid pawns on back rank.
5148 * Shogi is on its own here...
5150 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5151 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5152 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5154 return WhiteDrop; /* Not needed to specify white or black yet */
5157 userOfferedDraw = FALSE;
5159 /* [HGM] always test for legality, to get promotion info */
5160 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5161 epStatus[currentMove], castlingRights[currentMove],
5162 fromY, fromX, toY, toX, promoChar);
5164 /* [HGM] but possibly ignore an IllegalMove result */
5165 if (appData.testLegality) {
5166 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5167 DisplayMoveError(_("Illegal move"));
5168 return ImpossibleMove;
5171 if(appData.debugMode) fprintf(debugFP, "moveType 3 = %d, promochar = %x\n", moveType, promoChar);
5173 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
5174 function is made into one that returns an OK move type if FinishMove
5175 should be called. This to give the calling driver routine the
5176 opportunity to finish the userMove input with a promotion popup,
5177 without bothering the user with this for invalid or illegal moves */
5179 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
5182 /* Common tail of UserMoveEvent and DropMenuEvent */
5184 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
5186 int fromX, fromY, toX, toY;
5187 /*char*/int promoChar;
5190 if(appData.debugMode) fprintf(debugFP, "moveType 5 = %d, promochar = %x\n", moveType, promoChar);
5191 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
5192 // [HGM] superchess: suppress promotions to non-available piece
5193 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
5194 if(WhiteOnMove(currentMove)) {
5195 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
5197 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
5201 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5202 move type in caller when we know the move is a legal promotion */
5203 if(moveType == NormalMove && promoChar)
5204 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5205 if(appData.debugMode) fprintf(debugFP, "moveType 1 = %d, promochar = %x\n", moveType, promoChar);
5206 /* [HGM] convert drag-and-drop piece drops to standard form */
5207 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5208 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5209 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5210 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5211 // fromX = boards[currentMove][fromY][fromX];
5212 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5213 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
5214 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
5215 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
5219 /* [HGM] <popupFix> The following if has been moved here from
5220 UserMoveEvent(). Because it seemed to belon here (why not allow
5221 piece drops in training games?), and because it can only be
5222 performed after it is known to what we promote. */
5223 if (gameMode == Training) {
5224 /* compare the move played on the board to the next move in the
5225 * game. If they match, display the move and the opponent's response.
5226 * If they don't match, display an error message.
5229 Board testBoard; char testRights[BOARD_SIZE]; char testStatus;
5230 CopyBoard(testBoard, boards[currentMove]);
5231 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard, testRights, &testStatus);
5233 if (CompareBoards(testBoard, boards[currentMove+1])) {
5234 ForwardInner(currentMove+1);
5236 /* Autoplay the opponent's response.
5237 * if appData.animate was TRUE when Training mode was entered,
5238 * the response will be animated.
5240 saveAnimate = appData.animate;
5241 appData.animate = animateTraining;
5242 ForwardInner(currentMove+1);
5243 appData.animate = saveAnimate;
5245 /* check for the end of the game */
5246 if (currentMove >= forwardMostMove) {
5247 gameMode = PlayFromGameFile;
5249 SetTrainingModeOff();
5250 DisplayInformation(_("End of game"));
5253 DisplayError(_("Incorrect move"), 0);
5258 /* Ok, now we know that the move is good, so we can kill
5259 the previous line in Analysis Mode */
5260 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5261 forwardMostMove = currentMove;
5264 /* If we need the chess program but it's dead, restart it */
5265 ResurrectChessProgram();
5267 /* A user move restarts a paused game*/
5271 thinkOutput[0] = NULLCHAR;
5273 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
5275 if (gameMode == BeginningOfGame) {
5276 if (appData.noChessProgram) {
5277 gameMode = EditGame;
5281 gameMode = MachinePlaysBlack;
5284 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
5286 if (first.sendName) {
5287 sprintf(buf, "name %s\n", gameInfo.white);
5288 SendToProgram(buf, &first);
5294 if(appData.debugMode) fprintf(debugFP, "moveType 2 = %d, promochar = %x\n", moveType, promoChar);
5295 /* Relay move to ICS or chess engine */
5296 if (appData.icsActive) {
5297 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
5298 gameMode == IcsExamining) {
5299 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5303 if (first.sendTime && (gameMode == BeginningOfGame ||
5304 gameMode == MachinePlaysWhite ||
5305 gameMode == MachinePlaysBlack)) {
5306 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
5308 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
5309 // [HGM] book: if program might be playing, let it use book
5310 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
5311 first.maybeThinking = TRUE;
5312 } else SendMoveToProgram(forwardMostMove-1, &first);
5313 if (currentMove == cmailOldMove + 1) {
5314 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
5318 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5322 switch (MateTest(boards[currentMove], PosFlags(currentMove),
5323 EP_UNKNOWN, castlingRights[currentMove]) ) {
5329 if (WhiteOnMove(currentMove)) {
5330 GameEnds(BlackWins, "Black mates", GE_PLAYER);
5332 GameEnds(WhiteWins, "White mates", GE_PLAYER);
5336 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
5341 case MachinePlaysBlack:
5342 case MachinePlaysWhite:
5343 /* disable certain menu options while machine is thinking */
5344 SetMachineThinkingEnables();
5351 if(bookHit) { // [HGM] book: simulate book reply
5352 static char bookMove[MSG_SIZ]; // a bit generous?
5354 programStats.nodes = programStats.depth = programStats.time =
5355 programStats.score = programStats.got_only_move = 0;
5356 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5358 strcpy(bookMove, "move ");
5359 strcat(bookMove, bookHit);
5360 HandleMachineMove(bookMove, &first);
5366 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5367 int fromX, fromY, toX, toY;
5370 /* [HGM] This routine was added to allow calling of its two logical
5371 parts from other modules in the old way. Before, UserMoveEvent()
5372 automatically called FinishMove() if the move was OK, and returned
5373 otherwise. I separated the two, in order to make it possible to
5374 slip a promotion popup in between. But that it always needs two
5375 calls, to the first part, (now called UserMoveTest() ), and to
5376 FinishMove if the first part succeeded. Calls that do not need
5377 to do anything in between, can call this routine the old way.
5379 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar);
5380 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
5381 if(moveType != ImpossibleMove)
5382 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
5385 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
5387 // char * hint = lastHint;
5388 FrontEndProgramStats stats;
5390 stats.which = cps == &first ? 0 : 1;
5391 stats.depth = cpstats->depth;
5392 stats.nodes = cpstats->nodes;
5393 stats.score = cpstats->score;
5394 stats.time = cpstats->time;
5395 stats.pv = cpstats->movelist;
5396 stats.hint = lastHint;
5397 stats.an_move_index = 0;
5398 stats.an_move_count = 0;
5400 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
5401 stats.hint = cpstats->move_name;
5402 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
5403 stats.an_move_count = cpstats->nr_moves;
5406 SetProgramStats( &stats );
5409 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
5410 { // [HGM] book: this routine intercepts moves to simulate book replies
5411 char *bookHit = NULL;
5413 //first determine if the incoming move brings opponent into his book
5414 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
5415 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
5416 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
5417 if(bookHit != NULL && !cps->bookSuspend) {
5418 // make sure opponent is not going to reply after receiving move to book position
5419 SendToProgram("force\n", cps);
5420 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
5422 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
5423 // now arrange restart after book miss
5425 // after a book hit we never send 'go', and the code after the call to this routine
5426 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
5428 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
5429 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
5430 SendToProgram(buf, cps);
5431 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
5432 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
5433 SendToProgram("go\n", cps);
5434 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
5435 } else { // 'go' might be sent based on 'firstMove' after this routine returns
5436 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
5437 SendToProgram("go\n", cps);
5438 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
5440 return bookHit; // notify caller of hit, so it can take action to send move to opponent
5444 ChessProgramState *savedState;
5445 void DeferredBookMove(void)
5447 if(savedState->lastPing != savedState->lastPong)
5448 ScheduleDelayedEvent(DeferredBookMove, 10);
5450 HandleMachineMove(savedMessage, savedState);
5454 HandleMachineMove(message, cps)
5456 ChessProgramState *cps;
5458 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
5459 char realname[MSG_SIZ];
5460 int fromX, fromY, toX, toY;
5467 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
5469 * Kludge to ignore BEL characters
5471 while (*message == '\007') message++;
5474 * [HGM] engine debug message: ignore lines starting with '#' character
5476 if(cps->debug && *message == '#') return;
5479 * Look for book output
5481 if (cps == &first && bookRequested) {
5482 if (message[0] == '\t' || message[0] == ' ') {
5483 /* Part of the book output is here; append it */
5484 strcat(bookOutput, message);
5485 strcat(bookOutput, " \n");
5487 } else if (bookOutput[0] != NULLCHAR) {
5488 /* All of book output has arrived; display it */
5489 char *p = bookOutput;
5490 while (*p != NULLCHAR) {
5491 if (*p == '\t') *p = ' ';
5494 DisplayInformation(bookOutput);
5495 bookRequested = FALSE;
5496 /* Fall through to parse the current output */
5501 * Look for machine move.
5503 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
5504 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
5506 /* This method is only useful on engines that support ping */
5507 if (cps->lastPing != cps->lastPong) {
5508 if (gameMode == BeginningOfGame) {
5509 /* Extra move from before last new; ignore */
5510 if (appData.debugMode) {
5511 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
5514 if (appData.debugMode) {
5515 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
5516 cps->which, gameMode);
5519 SendToProgram("undo\n", cps);
5525 case BeginningOfGame:
5526 /* Extra move from before last reset; ignore */
5527 if (appData.debugMode) {
5528 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
5535 /* Extra move after we tried to stop. The mode test is
5536 not a reliable way of detecting this problem, but it's
5537 the best we can do on engines that don't support ping.
5539 if (appData.debugMode) {
5540 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
5541 cps->which, gameMode);
5543 SendToProgram("undo\n", cps);
5546 case MachinePlaysWhite:
5547 case IcsPlayingWhite:
5548 machineWhite = TRUE;
5551 case MachinePlaysBlack:
5552 case IcsPlayingBlack:
5553 machineWhite = FALSE;
5556 case TwoMachinesPlay:
5557 machineWhite = (cps->twoMachinesColor[0] == 'w');
5560 if (WhiteOnMove(forwardMostMove) != machineWhite) {
5561 if (appData.debugMode) {
5563 "Ignoring move out of turn by %s, gameMode %d"
5564 ", forwardMost %d\n",
5565 cps->which, gameMode, forwardMostMove);
5570 if (appData.debugMode) { int f = forwardMostMove;
5571 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
5572 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
5574 if(cps->alphaRank) AlphaRank(machineMove, 4);
5575 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
5576 &fromX, &fromY, &toX, &toY, &promoChar)) {
5577 /* Machine move could not be parsed; ignore it. */
5578 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
5579 machineMove, cps->which);
5580 DisplayError(buf1, 0);
5581 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
5582 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
5583 if (gameMode == TwoMachinesPlay) {
5584 GameEnds(machineWhite ? BlackWins : WhiteWins,
5590 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
5591 /* So we have to redo legality test with true e.p. status here, */
5592 /* to make sure an illegal e.p. capture does not slip through, */
5593 /* to cause a forfeit on a justified illegal-move complaint */
5594 /* of the opponent. */
5595 if( gameMode==TwoMachinesPlay && appData.testLegality
5596 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
5599 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
5600 epStatus[forwardMostMove], castlingRights[forwardMostMove],
5601 fromY, fromX, toY, toX, promoChar);
5602 if (appData.debugMode) {
5604 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
5605 castlingRights[forwardMostMove][i], castlingRank[i]);
5606 fprintf(debugFP, "castling rights\n");
5608 if(moveType == IllegalMove) {
5609 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
5610 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
5611 GameEnds(machineWhite ? BlackWins : WhiteWins,
5614 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
5615 /* [HGM] Kludge to handle engines that send FRC-style castling
5616 when they shouldn't (like TSCP-Gothic) */
5618 case WhiteASideCastleFR:
5619 case BlackASideCastleFR:
5621 currentMoveString[2]++;
5623 case WhiteHSideCastleFR:
5624 case BlackHSideCastleFR:
5626 currentMoveString[2]--;
5628 default: ; // nothing to do, but suppresses warning of pedantic compilers
5631 hintRequested = FALSE;
5632 lastHint[0] = NULLCHAR;
5633 bookRequested = FALSE;
5634 /* Program may be pondering now */
5635 cps->maybeThinking = TRUE;
5636 if (cps->sendTime == 2) cps->sendTime = 1;
5637 if (cps->offeredDraw) cps->offeredDraw--;
5640 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
5642 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5644 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
5645 char buf[3*MSG_SIZ];
5647 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %.0f nodes, %1.0f knps) PV=%s\n",
5648 programStats.score / 100.,
5650 programStats.time / 100.,
5651 u64ToDouble(programStats.nodes),
5652 u64ToDouble(programStats.nodes) / (10*abs(programStats.time) + 1.),
5653 programStats.movelist);
5658 /* currentMoveString is set as a side-effect of ParseOneMove */
5659 strcpy(machineMove, currentMoveString);
5660 strcat(machineMove, "\n");
5661 strcpy(moveList[forwardMostMove], machineMove);
5663 /* [AS] Save move info and clear stats for next move */
5664 pvInfoList[ forwardMostMove ].score = programStats.score;
5665 pvInfoList[ forwardMostMove ].depth = programStats.depth;
5666 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
5667 ClearProgramStats();
5668 thinkOutput[0] = NULLCHAR;
5669 hiddenThinkOutputState = 0;
5671 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
5673 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
5674 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
5677 while( count < adjudicateLossPlies ) {
5678 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
5681 score = -score; /* Flip score for winning side */
5684 if( score > adjudicateLossThreshold ) {
5691 if( count >= adjudicateLossPlies ) {
5692 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5694 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
5695 "Xboard adjudication",
5702 if( gameMode == TwoMachinesPlay ) {
5703 // [HGM] some adjudications useful with buggy engines
5704 int k, count = 0, epFile = epStatus[forwardMostMove]; static int bare = 1;
5705 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
5708 if( appData.testLegality )
5709 { /* [HGM] Some more adjudications for obstinate engines */
5710 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
5711 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
5712 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
5713 static int moveCount = 6;
5715 char *reason = NULL;
5717 /* Count what is on board. */
5718 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
5719 { ChessSquare p = boards[forwardMostMove][i][j];
5723 { /* count B,N,R and other of each side */
5726 NrK++; break; // [HGM] atomic: count Kings
5730 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
5731 bishopsColor |= 1 << ((i^j)&1);
5736 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
5737 bishopsColor |= 1 << ((i^j)&1);
5752 PawnAdvance += m; NrPawns++;
5754 NrPieces += (p != EmptySquare);
5755 NrW += ((int)p < (int)BlackPawn);
5756 if(gameInfo.variant == VariantXiangqi &&
5757 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
5758 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
5759 NrW -= ((int)p < (int)BlackPawn);
5763 /* Some material-based adjudications that have to be made before stalemate test */
5764 if(gameInfo.variant == VariantAtomic && NrK < 2) {
5765 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
5766 epStatus[forwardMostMove] = EP_CHECKMATE; // make claimable as if stm is checkmated
5767 if(appData.checkMates) {
5768 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move
5769 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5770 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
5771 "Xboard adjudication: King destroyed", GE_XBOARD );
5776 /* Bare King in Shatranj (loses) or Losers (wins) */
5777 if( NrW == 1 || NrPieces - NrW == 1) {
5778 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
5779 epStatus[forwardMostMove] = EP_WINS; // mark as win, so it becomes claimable
5780 if(appData.checkMates) {
5781 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets to see move
5782 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5783 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
5784 "Xboard adjudication: Bare king", GE_XBOARD );
5788 if( gameInfo.variant == VariantShatranj && --bare < 0)
5790 epStatus[forwardMostMove] = EP_WINS; // make claimable as win for stm
5791 if(appData.checkMates) {
5792 /* but only adjudicate if adjudication enabled */
5793 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move
5794 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5795 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
5796 "Xboard adjudication: Bare king", GE_XBOARD );
5803 // don't wait for engine to announce game end if we can judge ourselves
5804 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove), epFile,
5805 castlingRights[forwardMostMove]) ) {
5807 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
5808 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
5809 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
5810 if(MateTest(boards[i], PosFlags(i), epStatus[i], castlingRights[i]) == MT_CHECK)
5813 reason = "Xboard adjudication: 3rd check";
5814 epStatus[forwardMostMove] = EP_CHECKMATE;
5824 reason = "Xboard adjudication: Stalemate";
5825 if(epStatus[forwardMostMove] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
5826 epStatus[forwardMostMove] = EP_STALEMATE; // default result for stalemate is draw
5827 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
5828 epStatus[forwardMostMove] = EP_WINS; // in these variants stalemated is always a win
5829 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
5830 epStatus[forwardMostMove] = NrW == NrPieces-NrW ? EP_STALEMATE :
5831 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
5832 EP_CHECKMATE : EP_WINS);
5833 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
5834 epStatus[forwardMostMove] = EP_CHECKMATE; // and in these variants being stalemated loses
5838 reason = "Xboard adjudication: Checkmate";
5839 epStatus[forwardMostMove] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
5843 switch(i = epStatus[forwardMostMove]) {
5845 result = GameIsDrawn; break;
5847 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
5849 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
5851 result = (ChessMove) 0;
5853 if(appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
5854 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
5855 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5856 GameEnds( result, reason, GE_XBOARD );
5860 /* Next absolutely insufficient mating material. */
5861 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
5862 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
5863 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
5864 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
5865 { /* KBK, KNK, KK of KBKB with like Bishops */
5867 /* always flag draws, for judging claims */
5868 epStatus[forwardMostMove] = EP_INSUF_DRAW;
5870 if(appData.materialDraws) {
5871 /* but only adjudicate them if adjudication enabled */
5872 SendToProgram("force\n", cps->other); // suppress reply
5873 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see last move */
5874 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5875 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
5880 /* Then some trivial draws (only adjudicate, cannot be claimed) */
5882 ( NrWR == 1 && NrBR == 1 /* KRKR */
5883 || NrWQ==1 && NrBQ==1 /* KQKQ */
5884 || NrWN==2 || NrBN==2 /* KNNK */
5885 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
5887 if(--moveCount < 0 && appData.trivialDraws)
5888 { /* if the first 3 moves do not show a tactical win, declare draw */
5889 SendToProgram("force\n", cps->other); // suppress reply
5890 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
5891 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5892 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
5895 } else moveCount = 6;
5899 if (appData.debugMode) { int i;
5900 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
5901 forwardMostMove, backwardMostMove, epStatus[backwardMostMove],
5902 appData.drawRepeats);
5903 for( i=forwardMostMove; i>=backwardMostMove; i-- )
5904 fprintf(debugFP, "%d ep=%d\n", i, epStatus[i]);
5908 /* Check for rep-draws */
5910 for(k = forwardMostMove-2;
5911 k>=backwardMostMove && k>=forwardMostMove-100 &&
5912 epStatus[k] < EP_UNKNOWN &&
5913 epStatus[k+2] <= EP_NONE && epStatus[k+1] <= EP_NONE;
5917 if (appData.debugMode) {
5918 fprintf(debugFP, " loop\n");
5921 if(CompareBoards(boards[k], boards[forwardMostMove])) {
5923 if (appData.debugMode) {
5924 fprintf(debugFP, "match\n");
5927 /* compare castling rights */
5928 if( castlingRights[forwardMostMove][2] != castlingRights[k][2] &&
5929 (castlingRights[k][0] >= 0 || castlingRights[k][1] >= 0) )
5930 rights++; /* King lost rights, while rook still had them */
5931 if( castlingRights[forwardMostMove][2] >= 0 ) { /* king has rights */
5932 if( castlingRights[forwardMostMove][0] != castlingRights[k][0] ||
5933 castlingRights[forwardMostMove][1] != castlingRights[k][1] )
5934 rights++; /* but at least one rook lost them */
5936 if( castlingRights[forwardMostMove][5] != castlingRights[k][5] &&
5937 (castlingRights[k][3] >= 0 || castlingRights[k][4] >= 0) )
5939 if( castlingRights[forwardMostMove][5] >= 0 ) {
5940 if( castlingRights[forwardMostMove][3] != castlingRights[k][3] ||
5941 castlingRights[forwardMostMove][4] != castlingRights[k][4] )
5945 if (appData.debugMode) {
5946 for(i=0; i<nrCastlingRights; i++)
5947 fprintf(debugFP, " (%d,%d)", castlingRights[forwardMostMove][i], castlingRights[k][i]);
5950 if (appData.debugMode) {
5951 fprintf(debugFP, " %d %d\n", rights, k);
5954 if( rights == 0 && ++count > appData.drawRepeats-2
5955 && appData.drawRepeats > 1) {
5956 /* adjudicate after user-specified nr of repeats */
5957 SendToProgram("force\n", cps->other); // suppress reply
5958 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
5959 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5960 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
5961 // [HGM] xiangqi: check for forbidden perpetuals
5962 int m, ourPerpetual = 1, hisPerpetual = 1;
5963 for(m=forwardMostMove; m>k; m-=2) {
5964 if(MateTest(boards[m], PosFlags(m),
5965 EP_NONE, castlingRights[m]) != MT_CHECK)
5966 ourPerpetual = 0; // the current mover did not always check
5967 if(MateTest(boards[m-1], PosFlags(m-1),
5968 EP_NONE, castlingRights[m-1]) != MT_CHECK)
5969 hisPerpetual = 0; // the opponent did not always check
5971 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
5972 ourPerpetual, hisPerpetual);
5973 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
5974 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
5975 "Xboard adjudication: perpetual checking", GE_XBOARD );
5978 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
5979 break; // (or we would have caught him before). Abort repetition-checking loop.
5980 // Now check for perpetual chases
5981 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
5982 hisPerpetual = PerpetualChase(k, forwardMostMove);
5983 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
5984 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
5985 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
5986 "Xboard adjudication: perpetual chasing", GE_XBOARD );
5989 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
5990 break; // Abort repetition-checking loop.
5992 // if neither of us is checking or chasing all the time, or both are, it is draw
5994 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
5997 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
5998 epStatus[forwardMostMove] = EP_REP_DRAW;
6002 /* Now we test for 50-move draws. Determine ply count */
6003 count = forwardMostMove;
6004 /* look for last irreversble move */
6005 while( epStatus[count] <= EP_NONE && count > backwardMostMove )
6007 /* if we hit starting position, add initial plies */
6008 if( count == backwardMostMove )
6009 count -= initialRulePlies;
6010 count = forwardMostMove - count;
6012 epStatus[forwardMostMove] = EP_RULE_DRAW;
6013 /* this is used to judge if draw claims are legal */
6014 if(appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6015 SendToProgram("force\n", cps->other); // suppress reply
6016 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6017 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6018 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6022 /* if draw offer is pending, treat it as a draw claim
6023 * when draw condition present, to allow engines a way to
6024 * claim draws before making their move to avoid a race
6025 * condition occurring after their move
6027 if( cps->other->offeredDraw || cps->offeredDraw ) {
6029 if(epStatus[forwardMostMove] == EP_RULE_DRAW)
6030 p = "Draw claim: 50-move rule";
6031 if(epStatus[forwardMostMove] == EP_REP_DRAW)
6032 p = "Draw claim: 3-fold repetition";
6033 if(epStatus[forwardMostMove] == EP_INSUF_DRAW)
6034 p = "Draw claim: insufficient mating material";
6036 SendToProgram("force\n", cps->other); // suppress reply
6037 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6038 GameEnds( GameIsDrawn, p, GE_XBOARD );
6039 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6045 if( appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6046 SendToProgram("force\n", cps->other); // suppress reply
6047 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6048 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6050 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6057 if (gameMode == TwoMachinesPlay) {
6058 /* [HGM] relaying draw offers moved to after reception of move */
6059 /* and interpreting offer as claim if it brings draw condition */
6060 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
6061 SendToProgram("draw\n", cps->other);
6063 if (cps->other->sendTime) {
6064 SendTimeRemaining(cps->other,
6065 cps->other->twoMachinesColor[0] == 'w');
6067 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
6068 if (firstMove && !bookHit) {
6070 if (cps->other->useColors) {
6071 SendToProgram(cps->other->twoMachinesColor, cps->other);
6073 SendToProgram("go\n", cps->other);
6075 cps->other->maybeThinking = TRUE;
6078 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6080 if (!pausing && appData.ringBellAfterMoves) {
6085 * Reenable menu items that were disabled while
6086 * machine was thinking
6088 if (gameMode != TwoMachinesPlay)
6089 SetUserThinkingEnables();
6091 // [HGM] book: after book hit opponent has received move and is now in force mode
6092 // force the book reply into it, and then fake that it outputted this move by jumping
6093 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
6095 static char bookMove[MSG_SIZ]; // a bit generous?
6097 strcpy(bookMove, "move ");
6098 strcat(bookMove, bookHit);
6101 programStats.nodes = programStats.depth = programStats.time =
6102 programStats.score = programStats.got_only_move = 0;
6103 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6105 if(cps->lastPing != cps->lastPong) {
6106 savedMessage = message; // args for deferred call
6108 ScheduleDelayedEvent(DeferredBookMove, 10);
6117 /* Set special modes for chess engines. Later something general
6118 * could be added here; for now there is just one kludge feature,
6119 * needed because Crafty 15.10 and earlier don't ignore SIGINT
6120 * when "xboard" is given as an interactive command.
6122 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
6123 cps->useSigint = FALSE;
6124 cps->useSigterm = FALSE;
6127 /* [HGM] Allow engine to set up a position. Don't ask me why one would
6128 * want this, I was asked to put it in, and obliged.
6130 if (!strncmp(message, "setboard ", 9)) {
6131 Board initial_position; int i;
6133 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
6135 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
6136 DisplayError(_("Bad FEN received from engine"), 0);
6139 Reset(FALSE, FALSE);
6140 CopyBoard(boards[0], initial_position);
6141 initialRulePlies = FENrulePlies;
6142 epStatus[0] = FENepStatus;
6143 for( i=0; i<nrCastlingRights; i++ )
6144 castlingRights[0][i] = FENcastlingRights[i];
6145 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
6146 else gameMode = MachinePlaysBlack;
6147 DrawPosition(FALSE, boards[currentMove]);
6153 * Look for communication commands
6155 if (!strncmp(message, "telluser ", 9)) {
6156 DisplayNote(message + 9);
6159 if (!strncmp(message, "tellusererror ", 14)) {
6160 DisplayError(message + 14, 0);
6163 if (!strncmp(message, "tellopponent ", 13)) {
6164 if (appData.icsActive) {
6166 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
6170 DisplayNote(message + 13);
6174 if (!strncmp(message, "tellothers ", 11)) {
6175 if (appData.icsActive) {
6177 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
6183 if (!strncmp(message, "tellall ", 8)) {
6184 if (appData.icsActive) {
6186 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
6190 DisplayNote(message + 8);
6194 if (strncmp(message, "warning", 7) == 0) {
6195 /* Undocumented feature, use tellusererror in new code */
6196 DisplayError(message, 0);
6199 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
6200 strcpy(realname, cps->tidy);
6201 strcat(realname, " query");
6202 AskQuestion(realname, buf2, buf1, cps->pr);
6205 /* Commands from the engine directly to ICS. We don't allow these to be
6206 * sent until we are logged on. Crafty kibitzes have been known to
6207 * interfere with the login process.
6210 if (!strncmp(message, "tellics ", 8)) {
6211 SendToICS(message + 8);
6215 if (!strncmp(message, "tellicsnoalias ", 15)) {
6216 SendToICS(ics_prefix);
6217 SendToICS(message + 15);
6221 /* The following are for backward compatibility only */
6222 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
6223 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
6224 SendToICS(ics_prefix);
6230 if (strncmp(message, "feature ", 8) == 0) {
6231 ParseFeatures(message+8, cps);
6233 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
6237 * If the move is illegal, cancel it and redraw the board.
6238 * Also deal with other error cases. Matching is rather loose
6239 * here to accommodate engines written before the spec.
6241 if (strncmp(message + 1, "llegal move", 11) == 0 ||
6242 strncmp(message, "Error", 5) == 0) {
6243 if (StrStr(message, "name") ||
6244 StrStr(message, "rating") || StrStr(message, "?") ||
6245 StrStr(message, "result") || StrStr(message, "board") ||
6246 StrStr(message, "bk") || StrStr(message, "computer") ||
6247 StrStr(message, "variant") || StrStr(message, "hint") ||
6248 StrStr(message, "random") || StrStr(message, "depth") ||
6249 StrStr(message, "accepted")) {
6252 if (StrStr(message, "protover")) {
6253 /* Program is responding to input, so it's apparently done
6254 initializing, and this error message indicates it is
6255 protocol version 1. So we don't need to wait any longer
6256 for it to initialize and send feature commands. */
6257 FeatureDone(cps, 1);
6258 cps->protocolVersion = 1;
6261 cps->maybeThinking = FALSE;
6263 if (StrStr(message, "draw")) {
6264 /* Program doesn't have "draw" command */
6265 cps->sendDrawOffers = 0;
6268 if (cps->sendTime != 1 &&
6269 (StrStr(message, "time") || StrStr(message, "otim"))) {
6270 /* Program apparently doesn't have "time" or "otim" command */
6274 if (StrStr(message, "analyze")) {
6275 cps->analysisSupport = FALSE;
6276 cps->analyzing = FALSE;
6278 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
6279 DisplayError(buf2, 0);
6282 if (StrStr(message, "(no matching move)st")) {
6283 /* Special kludge for GNU Chess 4 only */
6284 cps->stKludge = TRUE;
6285 SendTimeControl(cps, movesPerSession, timeControl,
6286 timeIncrement, appData.searchDepth,
6290 if (StrStr(message, "(no matching move)sd")) {
6291 /* Special kludge for GNU Chess 4 only */
6292 cps->sdKludge = TRUE;
6293 SendTimeControl(cps, movesPerSession, timeControl,
6294 timeIncrement, appData.searchDepth,
6298 if (!StrStr(message, "llegal")) {
6301 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6302 gameMode == IcsIdle) return;
6303 if (forwardMostMove <= backwardMostMove) return;
6305 /* Following removed: it caused a bug where a real illegal move
6306 message in analyze mored would be ignored. */
6307 if (cps == &first && programStats.ok_to_send == 0) {
6308 /* Bogus message from Crafty responding to "." This filtering
6309 can miss some of the bad messages, but fortunately the bug
6310 is fixed in current Crafty versions, so it doesn't matter. */
6314 if (pausing) PauseEvent();
6315 if (gameMode == PlayFromGameFile) {
6316 /* Stop reading this game file */
6317 gameMode = EditGame;
6320 currentMove = --forwardMostMove;
6321 DisplayMove(currentMove-1); /* before DisplayMoveError */
6323 DisplayBothClocks();
6324 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
6325 parseList[currentMove], cps->which);
6326 DisplayMoveError(buf1);
6327 DrawPosition(FALSE, boards[currentMove]);
6329 /* [HGM] illegal-move claim should forfeit game when Xboard */
6330 /* only passes fully legal moves */
6331 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
6332 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
6333 "False illegal-move claim", GE_XBOARD );
6337 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
6338 /* Program has a broken "time" command that
6339 outputs a string not ending in newline.
6345 * If chess program startup fails, exit with an error message.
6346 * Attempts to recover here are futile.
6348 if ((StrStr(message, "unknown host") != NULL)
6349 || (StrStr(message, "No remote directory") != NULL)
6350 || (StrStr(message, "not found") != NULL)
6351 || (StrStr(message, "No such file") != NULL)
6352 || (StrStr(message, "can't alloc") != NULL)
6353 || (StrStr(message, "Permission denied") != NULL)) {
6355 cps->maybeThinking = FALSE;
6356 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
6357 cps->which, cps->program, cps->host, message);
6358 RemoveInputSource(cps->isr);
6359 DisplayFatalError(buf1, 0, 1);
6364 * Look for hint output
6366 if (sscanf(message, "Hint: %s", buf1) == 1) {
6367 if (cps == &first && hintRequested) {
6368 hintRequested = FALSE;
6369 if (ParseOneMove(buf1, forwardMostMove, &moveType,
6370 &fromX, &fromY, &toX, &toY, &promoChar)) {
6371 (void) CoordsToAlgebraic(boards[forwardMostMove],
6372 PosFlags(forwardMostMove), EP_UNKNOWN,
6373 fromY, fromX, toY, toX, promoChar, buf1);
6374 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
6375 DisplayInformation(buf2);
6377 /* Hint move could not be parsed!? */
6378 snprintf(buf2, sizeof(buf2),
6379 _("Illegal hint move \"%s\"\nfrom %s chess program"),
6381 DisplayError(buf2, 0);
6384 strcpy(lastHint, buf1);
6390 * Ignore other messages if game is not in progress
6392 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6393 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
6396 * look for win, lose, draw, or draw offer
6398 if (strncmp(message, "1-0", 3) == 0) {
6399 char *p, *q, *r = "";
6400 p = strchr(message, '{');
6408 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
6410 } else if (strncmp(message, "0-1", 3) == 0) {
6411 char *p, *q, *r = "";
6412 p = strchr(message, '{');
6420 /* Kludge for Arasan 4.1 bug */
6421 if (strcmp(r, "Black resigns") == 0) {
6422 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
6425 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
6427 } else if (strncmp(message, "1/2", 3) == 0) {
6428 char *p, *q, *r = "";
6429 p = strchr(message, '{');
6438 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
6441 } else if (strncmp(message, "White resign", 12) == 0) {
6442 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
6444 } else if (strncmp(message, "Black resign", 12) == 0) {
6445 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
6447 } else if (strncmp(message, "White matches", 13) == 0 ||
6448 strncmp(message, "Black matches", 13) == 0 ) {
6449 /* [HGM] ignore GNUShogi noises */
6451 } else if (strncmp(message, "White", 5) == 0 &&
6452 message[5] != '(' &&
6453 StrStr(message, "Black") == NULL) {
6454 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6456 } else if (strncmp(message, "Black", 5) == 0 &&
6457 message[5] != '(') {
6458 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6460 } else if (strcmp(message, "resign") == 0 ||
6461 strcmp(message, "computer resigns") == 0) {
6463 case MachinePlaysBlack:
6464 case IcsPlayingBlack:
6465 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
6467 case MachinePlaysWhite:
6468 case IcsPlayingWhite:
6469 GameEnds(BlackWins, "White resigns", GE_ENGINE);
6471 case TwoMachinesPlay:
6472 if (cps->twoMachinesColor[0] == 'w')
6473 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
6475 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
6482 } else if (strncmp(message, "opponent mates", 14) == 0) {
6484 case MachinePlaysBlack:
6485 case IcsPlayingBlack:
6486 GameEnds(WhiteWins, "White mates", GE_ENGINE);
6488 case MachinePlaysWhite:
6489 case IcsPlayingWhite:
6490 GameEnds(BlackWins, "Black mates", GE_ENGINE);
6492 case TwoMachinesPlay:
6493 if (cps->twoMachinesColor[0] == 'w')
6494 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6496 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6503 } else if (strncmp(message, "computer mates", 14) == 0) {
6505 case MachinePlaysBlack:
6506 case IcsPlayingBlack:
6507 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
6509 case MachinePlaysWhite:
6510 case IcsPlayingWhite:
6511 GameEnds(WhiteWins, "White mates", GE_ENGINE);
6513 case TwoMachinesPlay:
6514 if (cps->twoMachinesColor[0] == 'w')
6515 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6517 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6524 } else if (strncmp(message, "checkmate", 9) == 0) {
6525 if (WhiteOnMove(forwardMostMove)) {
6526 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6528 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6531 } else if (strstr(message, "Draw") != NULL ||
6532 strstr(message, "game is a draw") != NULL) {
6533 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
6535 } else if (strstr(message, "offer") != NULL &&
6536 strstr(message, "draw") != NULL) {
6538 if (appData.zippyPlay && first.initDone) {
6539 /* Relay offer to ICS */
6540 SendToICS(ics_prefix);
6541 SendToICS("draw\n");
6544 cps->offeredDraw = 2; /* valid until this engine moves twice */
6545 if (gameMode == TwoMachinesPlay) {
6546 if (cps->other->offeredDraw) {
6547 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
6548 /* [HGM] in two-machine mode we delay relaying draw offer */
6549 /* until after we also have move, to see if it is really claim */
6553 if (cps->other->sendDrawOffers) {
6554 SendToProgram("draw\n", cps->other);
6558 } else if (gameMode == MachinePlaysWhite ||
6559 gameMode == MachinePlaysBlack) {
6560 if (userOfferedDraw) {
6561 DisplayInformation(_("Machine accepts your draw offer"));
6562 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
6564 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
6571 * Look for thinking output
6573 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
6574 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
6576 int plylev, mvleft, mvtot, curscore, time;
6577 char mvname[MOVE_LEN];
6581 int prefixHint = FALSE;
6582 mvname[0] = NULLCHAR;
6585 case MachinePlaysBlack:
6586 case IcsPlayingBlack:
6587 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
6589 case MachinePlaysWhite:
6590 case IcsPlayingWhite:
6591 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
6596 case IcsObserving: /* [DM] icsEngineAnalyze */
6597 if (!appData.icsEngineAnalyze) ignore = TRUE;
6599 case TwoMachinesPlay:
6600 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
6611 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
6612 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
6614 if (plyext != ' ' && plyext != '\t') {
6618 /* [AS] Negate score if machine is playing black and reporting absolute scores */
6619 if( cps->scoreIsAbsolute &&
6620 ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) )
6622 curscore = -curscore;
6626 programStats.depth = plylev;
6627 programStats.nodes = nodes;
6628 programStats.time = time;
6629 programStats.score = curscore;
6630 programStats.got_only_move = 0;
6632 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
6635 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
6636 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
6637 if(WhiteOnMove(forwardMostMove))
6638 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
6639 else blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
6642 /* Buffer overflow protection */
6643 if (buf1[0] != NULLCHAR) {
6644 if (strlen(buf1) >= sizeof(programStats.movelist)
6645 && appData.debugMode) {
6647 "PV is too long; using the first %d bytes.\n",
6648 sizeof(programStats.movelist) - 1);
6651 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
6653 sprintf(programStats.movelist, " no PV\n");
6656 if (programStats.seen_stat) {
6657 programStats.ok_to_send = 1;
6660 if (strchr(programStats.movelist, '(') != NULL) {
6661 programStats.line_is_book = 1;
6662 programStats.nr_moves = 0;
6663 programStats.moves_left = 0;
6665 programStats.line_is_book = 0;
6668 SendProgramStatsToFrontend( cps, &programStats );
6671 [AS] Protect the thinkOutput buffer from overflow... this
6672 is only useful if buf1 hasn't overflowed first!
6674 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
6676 (gameMode == TwoMachinesPlay ?
6677 ToUpper(cps->twoMachinesColor[0]) : ' '),
6678 ((double) curscore) / 100.0,
6679 prefixHint ? lastHint : "",
6680 prefixHint ? " " : "" );
6682 if( buf1[0] != NULLCHAR ) {
6683 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
6685 if( strlen(buf1) > max_len ) {
6686 if( appData.debugMode) {
6687 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
6689 buf1[max_len+1] = '\0';
6692 strcat( thinkOutput, buf1 );
6695 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
6696 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
6697 DisplayMove(currentMove - 1);
6702 } else if ((p=StrStr(message, "(only move)")) != NULL) {
6703 /* crafty (9.25+) says "(only move) <move>"
6704 * if there is only 1 legal move
6706 sscanf(p, "(only move) %s", buf1);
6707 sprintf(thinkOutput, "%s (only move)", buf1);
6708 sprintf(programStats.movelist, "%s (only move)", buf1);
6709 programStats.depth = 1;
6710 programStats.nr_moves = 1;
6711 programStats.moves_left = 1;
6712 programStats.nodes = 1;
6713 programStats.time = 1;
6714 programStats.got_only_move = 1;
6716 /* Not really, but we also use this member to
6717 mean "line isn't going to change" (Crafty
6718 isn't searching, so stats won't change) */
6719 programStats.line_is_book = 1;
6721 SendProgramStatsToFrontend( cps, &programStats );
6723 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
6724 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
6725 DisplayMove(currentMove - 1);
6729 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
6730 &time, &nodes, &plylev, &mvleft,
6731 &mvtot, mvname) >= 5) {
6732 /* The stat01: line is from Crafty (9.29+) in response
6733 to the "." command */
6734 programStats.seen_stat = 1;
6735 cps->maybeThinking = TRUE;
6737 if (programStats.got_only_move || !appData.periodicUpdates)
6740 programStats.depth = plylev;
6741 programStats.time = time;
6742 programStats.nodes = nodes;
6743 programStats.moves_left = mvleft;
6744 programStats.nr_moves = mvtot;
6745 strcpy(programStats.move_name, mvname);
6746 programStats.ok_to_send = 1;
6747 programStats.movelist[0] = '\0';
6749 SendProgramStatsToFrontend( cps, &programStats );
6754 } else if (strncmp(message,"++",2) == 0) {
6755 /* Crafty 9.29+ outputs this */
6756 programStats.got_fail = 2;
6759 } else if (strncmp(message,"--",2) == 0) {
6760 /* Crafty 9.29+ outputs this */
6761 programStats.got_fail = 1;
6764 } else if (thinkOutput[0] != NULLCHAR &&
6765 strncmp(message, " ", 4) == 0) {
6766 unsigned message_len;
6769 while (*p && *p == ' ') p++;
6771 message_len = strlen( p );
6773 /* [AS] Avoid buffer overflow */
6774 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
6775 strcat(thinkOutput, " ");
6776 strcat(thinkOutput, p);
6779 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
6780 strcat(programStats.movelist, " ");
6781 strcat(programStats.movelist, p);
6784 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
6785 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
6786 DisplayMove(currentMove - 1);
6795 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
6796 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
6798 ChessProgramStats cpstats;
6800 if (plyext != ' ' && plyext != '\t') {
6804 /* [AS] Negate score if machine is playing black and reporting absolute scores */
6805 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
6806 curscore = -curscore;
6809 cpstats.depth = plylev;
6810 cpstats.nodes = nodes;
6811 cpstats.time = time;
6812 cpstats.score = curscore;
6813 cpstats.got_only_move = 0;
6814 cpstats.movelist[0] = '\0';
6816 if (buf1[0] != NULLCHAR) {
6817 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
6820 cpstats.ok_to_send = 0;
6821 cpstats.line_is_book = 0;
6822 cpstats.nr_moves = 0;
6823 cpstats.moves_left = 0;
6825 SendProgramStatsToFrontend( cps, &cpstats );
6832 /* Parse a game score from the character string "game", and
6833 record it as the history of the current game. The game
6834 score is NOT assumed to start from the standard position.
6835 The display is not updated in any way.
6838 ParseGameHistory(game)
6842 int fromX, fromY, toX, toY, boardIndex;
6847 if (appData.debugMode)
6848 fprintf(debugFP, "Parsing game history: %s\n", game);
6850 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
6851 gameInfo.site = StrSave(appData.icsHost);
6852 gameInfo.date = PGNDate();
6853 gameInfo.round = StrSave("-");
6855 /* Parse out names of players */
6856 while (*game == ' ') game++;
6858 while (*game != ' ') *p++ = *game++;
6860 gameInfo.white = StrSave(buf);
6861 while (*game == ' ') game++;
6863 while (*game != ' ' && *game != '\n') *p++ = *game++;
6865 gameInfo.black = StrSave(buf);
6868 boardIndex = blackPlaysFirst ? 1 : 0;
6871 yyboardindex = boardIndex;
6872 moveType = (ChessMove) yylex();
6874 case IllegalMove: /* maybe suicide chess, etc. */
6875 if (appData.debugMode) {
6876 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
6877 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
6878 setbuf(debugFP, NULL);
6880 case WhitePromotionChancellor:
6881 case BlackPromotionChancellor:
6882 case WhitePromotionArchbishop:
6883 case BlackPromotionArchbishop:
6884 case WhitePromotionQueen:
6885 case BlackPromotionQueen:
6886 case WhitePromotionRook:
6887 case BlackPromotionRook:
6888 case WhitePromotionBishop:
6889 case BlackPromotionBishop:
6890 case WhitePromotionKnight:
6891 case BlackPromotionKnight:
6892 case WhitePromotionKing:
6893 case BlackPromotionKing:
6895 case WhiteCapturesEnPassant:
6896 case BlackCapturesEnPassant:
6897 case WhiteKingSideCastle:
6898 case WhiteQueenSideCastle:
6899 case BlackKingSideCastle:
6900 case BlackQueenSideCastle:
6901 case WhiteKingSideCastleWild:
6902 case WhiteQueenSideCastleWild:
6903 case BlackKingSideCastleWild:
6904 case BlackQueenSideCastleWild:
6906 case WhiteHSideCastleFR:
6907 case WhiteASideCastleFR:
6908 case BlackHSideCastleFR:
6909 case BlackASideCastleFR:
6911 fromX = currentMoveString[0] - AAA;
6912 fromY = currentMoveString[1] - ONE;
6913 toX = currentMoveString[2] - AAA;
6914 toY = currentMoveString[3] - ONE;
6915 promoChar = currentMoveString[4];
6919 fromX = moveType == WhiteDrop ?
6920 (int) CharToPiece(ToUpper(currentMoveString[0])) :
6921 (int) CharToPiece(ToLower(currentMoveString[0]));
6923 toX = currentMoveString[2] - AAA;
6924 toY = currentMoveString[3] - ONE;
6925 promoChar = NULLCHAR;
6929 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
6930 if (appData.debugMode) {
6931 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
6932 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
6933 setbuf(debugFP, NULL);
6935 DisplayError(buf, 0);
6937 case ImpossibleMove:
6939 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
6940 if (appData.debugMode) {
6941 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
6942 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
6943 setbuf(debugFP, NULL);
6945 DisplayError(buf, 0);
6947 case (ChessMove) 0: /* end of file */
6948 if (boardIndex < backwardMostMove) {
6949 /* Oops, gap. How did that happen? */
6950 DisplayError(_("Gap in move list"), 0);
6953 backwardMostMove = blackPlaysFirst ? 1 : 0;
6954 if (boardIndex > forwardMostMove) {
6955 forwardMostMove = boardIndex;
6959 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
6960 strcat(parseList[boardIndex-1], " ");
6961 strcat(parseList[boardIndex-1], yy_text);
6973 case GameUnfinished:
6974 if (gameMode == IcsExamining) {
6975 if (boardIndex < backwardMostMove) {
6976 /* Oops, gap. How did that happen? */
6979 backwardMostMove = blackPlaysFirst ? 1 : 0;
6982 gameInfo.result = moveType;
6983 p = strchr(yy_text, '{');
6984 if (p == NULL) p = strchr(yy_text, '(');
6987 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
6989 q = strchr(p, *p == '{' ? '}' : ')');
6990 if (q != NULL) *q = NULLCHAR;
6993 gameInfo.resultDetails = StrSave(p);
6996 if (boardIndex >= forwardMostMove &&
6997 !(gameMode == IcsObserving && ics_gamenum == -1)) {
6998 backwardMostMove = blackPlaysFirst ? 1 : 0;
7001 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
7002 EP_UNKNOWN, fromY, fromX, toY, toX, promoChar,
7003 parseList[boardIndex]);
7004 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
7005 {int i; for(i=0; i<BOARD_SIZE; i++) castlingRights[boardIndex+1][i] = castlingRights[boardIndex][i];}
7006 /* currentMoveString is set as a side-effect of yylex */
7007 strcpy(moveList[boardIndex], currentMoveString);
7008 strcat(moveList[boardIndex], "\n");
7010 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex],
7011 castlingRights[boardIndex], &epStatus[boardIndex]);
7012 switch (MateTest(boards[boardIndex], PosFlags(boardIndex),
7013 EP_UNKNOWN, castlingRights[boardIndex]) ) {
7019 if(gameInfo.variant != VariantShogi)
7020 strcat(parseList[boardIndex - 1], "+");
7024 strcat(parseList[boardIndex - 1], "#");
7031 /* Apply a move to the given board */
7033 ApplyMove(fromX, fromY, toX, toY, promoChar, board, castling, ep)
7034 int fromX, fromY, toX, toY;
7040 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
7042 /* [HGM] compute & store e.p. status and castling rights for new position */
7043 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
7046 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
7050 if( board[toY][toX] != EmptySquare )
7053 if( board[fromY][fromX] == WhitePawn ) {
7054 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7057 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
7058 gameInfo.variant != VariantBerolina || toX < fromX)
7059 *ep = toX | berolina;
7060 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
7061 gameInfo.variant != VariantBerolina || toX > fromX)
7065 if( board[fromY][fromX] == BlackPawn ) {
7066 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7068 if( toY-fromY== -2) {
7069 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
7070 gameInfo.variant != VariantBerolina || toX < fromX)
7071 *ep = toX | berolina;
7072 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
7073 gameInfo.variant != VariantBerolina || toX > fromX)
7078 for(i=0; i<nrCastlingRights; i++) {
7079 if(castling[i] == fromX && castlingRank[i] == fromY ||
7080 castling[i] == toX && castlingRank[i] == toY
7081 ) castling[i] = -1; // revoke for moved or captured piece
7086 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
7087 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier)
7088 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
7090 if (fromX == toX && fromY == toY) return;
7092 if (fromY == DROP_RANK) {
7094 piece = board[toY][toX] = (ChessSquare) fromX;
7096 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
7097 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
7098 if(gameInfo.variant == VariantKnightmate)
7099 king += (int) WhiteUnicorn - (int) WhiteKing;
7101 /* Code added by Tord: */
7102 /* FRC castling assumed when king captures friendly rook. */
7103 if (board[fromY][fromX] == WhiteKing &&
7104 board[toY][toX] == WhiteRook) {
7105 board[fromY][fromX] = EmptySquare;
7106 board[toY][toX] = EmptySquare;
7108 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
7110 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
7112 } else if (board[fromY][fromX] == BlackKing &&
7113 board[toY][toX] == BlackRook) {
7114 board[fromY][fromX] = EmptySquare;
7115 board[toY][toX] = EmptySquare;
7117 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
7119 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
7121 /* End of code added by Tord */
7123 } else if (board[fromY][fromX] == king
7124 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7125 && toY == fromY && toX > fromX+1) {
7126 board[fromY][fromX] = EmptySquare;
7127 board[toY][toX] = king;
7128 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7129 board[fromY][BOARD_RGHT-1] = EmptySquare;
7130 } else if (board[fromY][fromX] == king
7131 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7132 && toY == fromY && toX < fromX-1) {
7133 board[fromY][fromX] = EmptySquare;
7134 board[toY][toX] = king;
7135 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7136 board[fromY][BOARD_LEFT] = EmptySquare;
7137 } else if (board[fromY][fromX] == WhitePawn
7138 && toY == BOARD_HEIGHT-1
7139 && gameInfo.variant != VariantXiangqi
7141 /* white pawn promotion */
7142 board[toY][toX] = CharToPiece(ToUpper(promoChar));
7143 if (board[toY][toX] == EmptySquare) {
7144 board[toY][toX] = WhiteQueen;
7146 if(gameInfo.variant==VariantBughouse ||
7147 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7148 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7149 board[fromY][fromX] = EmptySquare;
7150 } else if ((fromY == BOARD_HEIGHT-4)
7152 && gameInfo.variant != VariantXiangqi
7153 && gameInfo.variant != VariantBerolina
7154 && (board[fromY][fromX] == WhitePawn)
7155 && (board[toY][toX] == EmptySquare)) {
7156 board[fromY][fromX] = EmptySquare;
7157 board[toY][toX] = WhitePawn;
7158 captured = board[toY - 1][toX];
7159 board[toY - 1][toX] = EmptySquare;
7160 } else if ((fromY == BOARD_HEIGHT-4)
7162 && gameInfo.variant == VariantBerolina
7163 && (board[fromY][fromX] == WhitePawn)
7164 && (board[toY][toX] == EmptySquare)) {
7165 board[fromY][fromX] = EmptySquare;
7166 board[toY][toX] = WhitePawn;
7167 if(oldEP & EP_BEROLIN_A) {
7168 captured = board[fromY][fromX-1];
7169 board[fromY][fromX-1] = EmptySquare;
7170 }else{ captured = board[fromY][fromX+1];
7171 board[fromY][fromX+1] = EmptySquare;
7173 } else if (board[fromY][fromX] == king
7174 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7175 && toY == fromY && toX > fromX+1) {
7176 board[fromY][fromX] = EmptySquare;
7177 board[toY][toX] = king;
7178 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7179 board[fromY][BOARD_RGHT-1] = EmptySquare;
7180 } else if (board[fromY][fromX] == king
7181 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7182 && toY == fromY && toX < fromX-1) {
7183 board[fromY][fromX] = EmptySquare;
7184 board[toY][toX] = king;
7185 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7186 board[fromY][BOARD_LEFT] = EmptySquare;
7187 } else if (fromY == 7 && fromX == 3
7188 && board[fromY][fromX] == BlackKing
7189 && toY == 7 && toX == 5) {
7190 board[fromY][fromX] = EmptySquare;
7191 board[toY][toX] = BlackKing;
7192 board[fromY][7] = EmptySquare;
7193 board[toY][4] = BlackRook;
7194 } else if (fromY == 7 && fromX == 3
7195 && board[fromY][fromX] == BlackKing
7196 && toY == 7 && toX == 1) {
7197 board[fromY][fromX] = EmptySquare;
7198 board[toY][toX] = BlackKing;
7199 board[fromY][0] = EmptySquare;
7200 board[toY][2] = BlackRook;
7201 } else if (board[fromY][fromX] == BlackPawn
7203 && gameInfo.variant != VariantXiangqi
7205 /* black pawn promotion */
7206 board[0][toX] = CharToPiece(ToLower(promoChar));
7207 if (board[0][toX] == EmptySquare) {
7208 board[0][toX] = BlackQueen;
7210 if(gameInfo.variant==VariantBughouse ||
7211 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7212 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7213 board[fromY][fromX] = EmptySquare;
7214 } else if ((fromY == 3)
7216 && gameInfo.variant != VariantXiangqi
7217 && gameInfo.variant != VariantBerolina
7218 && (board[fromY][fromX] == BlackPawn)
7219 && (board[toY][toX] == EmptySquare)) {
7220 board[fromY][fromX] = EmptySquare;
7221 board[toY][toX] = BlackPawn;
7222 captured = board[toY + 1][toX];
7223 board[toY + 1][toX] = EmptySquare;
7224 } else if ((fromY == 3)
7226 && gameInfo.variant == VariantBerolina
7227 && (board[fromY][fromX] == BlackPawn)
7228 && (board[toY][toX] == EmptySquare)) {
7229 board[fromY][fromX] = EmptySquare;
7230 board[toY][toX] = BlackPawn;
7231 if(oldEP & EP_BEROLIN_A) {
7232 captured = board[fromY][fromX-1];
7233 board[fromY][fromX-1] = EmptySquare;
7234 }else{ captured = board[fromY][fromX+1];
7235 board[fromY][fromX+1] = EmptySquare;
7238 board[toY][toX] = board[fromY][fromX];
7239 board[fromY][fromX] = EmptySquare;
7242 /* [HGM] now we promote for Shogi, if needed */
7243 if(gameInfo.variant == VariantShogi && promoChar == 'q')
7244 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7247 if (gameInfo.holdingsWidth != 0) {
7249 /* !!A lot more code needs to be written to support holdings */
7250 /* [HGM] OK, so I have written it. Holdings are stored in the */
7251 /* penultimate board files, so they are automaticlly stored */
7252 /* in the game history. */
7253 if (fromY == DROP_RANK) {
7254 /* Delete from holdings, by decreasing count */
7255 /* and erasing image if necessary */
7257 if(p < (int) BlackPawn) { /* white drop */
7258 p -= (int)WhitePawn;
7259 if(p >= gameInfo.holdingsSize) p = 0;
7260 if(--board[p][BOARD_WIDTH-2] == 0)
7261 board[p][BOARD_WIDTH-1] = EmptySquare;
7262 } else { /* black drop */
7263 p -= (int)BlackPawn;
7264 if(p >= gameInfo.holdingsSize) p = 0;
7265 if(--board[BOARD_HEIGHT-1-p][1] == 0)
7266 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
7269 if (captured != EmptySquare && gameInfo.holdingsSize > 0
7270 && gameInfo.variant != VariantBughouse ) {
7271 /* [HGM] holdings: Add to holdings, if holdings exist */
7272 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
7273 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
7274 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
7277 if (p >= (int) BlackPawn) {
7278 p -= (int)BlackPawn;
7279 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7280 /* in Shogi restore piece to its original first */
7281 captured = (ChessSquare) (DEMOTED captured);
7284 p = PieceToNumber((ChessSquare)p);
7285 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
7286 board[p][BOARD_WIDTH-2]++;
7287 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
7289 p -= (int)WhitePawn;
7290 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7291 captured = (ChessSquare) (DEMOTED captured);
7294 p = PieceToNumber((ChessSquare)p);
7295 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
7296 board[BOARD_HEIGHT-1-p][1]++;
7297 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
7301 } else if (gameInfo.variant == VariantAtomic) {
7302 if (captured != EmptySquare) {
7304 for (y = toY-1; y <= toY+1; y++) {
7305 for (x = toX-1; x <= toX+1; x++) {
7306 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
7307 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
7308 board[y][x] = EmptySquare;
7312 board[toY][toX] = EmptySquare;
7315 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
7316 /* [HGM] Shogi promotions */
7317 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7320 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
7321 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
7322 // [HGM] superchess: take promotion piece out of holdings
7323 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7324 if((int)piece < (int)BlackPawn) { // determine stm from piece color
7325 if(!--board[k][BOARD_WIDTH-2])
7326 board[k][BOARD_WIDTH-1] = EmptySquare;
7328 if(!--board[BOARD_HEIGHT-1-k][1])
7329 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
7335 /* Updates forwardMostMove */
7337 MakeMove(fromX, fromY, toX, toY, promoChar)
7338 int fromX, fromY, toX, toY;
7341 // forwardMostMove++; // [HGM] bare: moved downstream
7343 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
7344 int timeLeft; static int lastLoadFlag=0; int king, piece;
7345 piece = boards[forwardMostMove][fromY][fromX];
7346 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
7347 if(gameInfo.variant == VariantKnightmate)
7348 king += (int) WhiteUnicorn - (int) WhiteKing;
7349 if(forwardMostMove == 0) {
7351 fprintf(serverMoves, "%s;", second.tidy);
7352 fprintf(serverMoves, "%s;", first.tidy);
7353 if(!blackPlaysFirst)
7354 fprintf(serverMoves, "%s;", second.tidy);
7355 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
7356 lastLoadFlag = loadFlag;
7358 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
7359 // print castling suffix
7360 if( toY == fromY && piece == king ) {
7362 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
7364 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
7367 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
7368 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
7369 boards[forwardMostMove][toY][toX] == EmptySquare
7371 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
7373 if(promoChar != NULLCHAR)
7374 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
7376 fprintf(serverMoves, "/%d/%d",
7377 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
7378 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
7379 else timeLeft = blackTimeRemaining/1000;
7380 fprintf(serverMoves, "/%d", timeLeft);
7382 fflush(serverMoves);
7385 if (forwardMostMove+1 >= MAX_MOVES) {
7386 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
7391 timeRemaining[0][forwardMostMove+1] = whiteTimeRemaining;
7392 timeRemaining[1][forwardMostMove+1] = blackTimeRemaining;
7393 if (commentList[forwardMostMove+1] != NULL) {
7394 free(commentList[forwardMostMove+1]);
7395 commentList[forwardMostMove+1] = NULL;
7397 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7398 {int i; for(i=0; i<BOARD_SIZE; i++) castlingRights[forwardMostMove+1][i] = castlingRights[forwardMostMove][i];}
7399 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1],
7400 castlingRights[forwardMostMove+1], &epStatus[forwardMostMove+1]);
7401 forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
7402 gameInfo.result = GameUnfinished;
7403 if (gameInfo.resultDetails != NULL) {
7404 free(gameInfo.resultDetails);
7405 gameInfo.resultDetails = NULL;
7407 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
7408 moveList[forwardMostMove - 1]);
7409 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
7410 PosFlags(forwardMostMove - 1), EP_UNKNOWN,
7411 fromY, fromX, toY, toX, promoChar,
7412 parseList[forwardMostMove - 1]);
7413 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7414 epStatus[forwardMostMove], /* [HGM] use true e.p. */
7415 castlingRights[forwardMostMove]) ) {
7421 if(gameInfo.variant != VariantShogi)
7422 strcat(parseList[forwardMostMove - 1], "+");
7426 strcat(parseList[forwardMostMove - 1], "#");
7429 if (appData.debugMode) {
7430 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
7435 /* Updates currentMove if not pausing */
7437 ShowMove(fromX, fromY, toX, toY)
7439 int instant = (gameMode == PlayFromGameFile) ?
7440 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
7441 if(appData.noGUI) return;
7442 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
7444 if (forwardMostMove == currentMove + 1) {
7445 AnimateMove(boards[forwardMostMove - 1],
7446 fromX, fromY, toX, toY);
7448 if (appData.highlightLastMove) {
7449 SetHighlights(fromX, fromY, toX, toY);
7452 currentMove = forwardMostMove;
7455 if (instant) return;
7457 DisplayMove(currentMove - 1);
7458 DrawPosition(FALSE, boards[currentMove]);
7459 DisplayBothClocks();
7460 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
7463 void SendEgtPath(ChessProgramState *cps)
7464 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
7465 char buf[MSG_SIZ], name[MSG_SIZ], *p;
7467 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
7470 char c, *q = name+1, *r, *s;
7472 name[0] = ','; // extract next format name from feature and copy with prefixed ','
7473 while(*p && *p != ',') *q++ = *p++;
7475 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
7476 strcmp(name, ",nalimov:") == 0 ) {
7477 // take nalimov path from the menu-changeable option first, if it is defined
7478 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
7479 SendToProgram(buf,cps); // send egtbpath command for nalimov
7481 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
7482 (s = StrStr(appData.egtFormats, name)) != NULL) {
7483 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
7484 s = r = StrStr(s, ":") + 1; // beginning of path info
7485 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
7486 c = *r; *r = 0; // temporarily null-terminate path info
7487 *--q = 0; // strip of trailig ':' from name
7488 sprintf(buf, "egtbpath %s %s\n", name+1, s);
7490 SendToProgram(buf,cps); // send egtbpath command for this format
7492 if(*p == ',') p++; // read away comma to position for next format name
7497 InitChessProgram(cps, setup)
7498 ChessProgramState *cps;
7499 int setup; /* [HGM] needed to setup FRC opening position */
7501 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
7502 if (appData.noChessProgram) return;
7503 hintRequested = FALSE;
7504 bookRequested = FALSE;
7506 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
7507 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
7508 if(cps->memSize) { /* [HGM] memory */
7509 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
7510 SendToProgram(buf, cps);
7512 SendEgtPath(cps); /* [HGM] EGT */
7513 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
7514 sprintf(buf, "cores %d\n", appData.smpCores);
7515 SendToProgram(buf, cps);
7518 SendToProgram(cps->initString, cps);
7519 if (gameInfo.variant != VariantNormal &&
7520 gameInfo.variant != VariantLoadable
7521 /* [HGM] also send variant if board size non-standard */
7522 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
7524 char *v = VariantName(gameInfo.variant);
7525 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
7526 /* [HGM] in protocol 1 we have to assume all variants valid */
7527 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
7528 DisplayFatalError(buf, 0, 1);
7532 /* [HGM] make prefix for non-standard board size. Awkward testing... */
7533 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7534 if( gameInfo.variant == VariantXiangqi )
7535 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
7536 if( gameInfo.variant == VariantShogi )
7537 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
7538 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
7539 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
7540 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
7541 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
7542 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7543 if( gameInfo.variant == VariantCourier )
7544 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7545 if( gameInfo.variant == VariantSuper )
7546 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
7547 if( gameInfo.variant == VariantGreat )
7548 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
7551 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
7552 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
7553 /* [HGM] varsize: try first if this defiant size variant is specifically known */
7554 if(StrStr(cps->variants, b) == NULL) {
7555 // specific sized variant not known, check if general sizing allowed
7556 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
7557 if(StrStr(cps->variants, "boardsize") == NULL) {
7558 sprintf(buf, "Board size %dx%d+%d not supported by %s",
7559 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
7560 DisplayFatalError(buf, 0, 1);
7563 /* [HGM] here we really should compare with the maximum supported board size */
7566 } else sprintf(b, "%s", VariantName(gameInfo.variant));
7567 sprintf(buf, "variant %s\n", b);
7568 SendToProgram(buf, cps);
7570 currentlyInitializedVariant = gameInfo.variant;
7572 /* [HGM] send opening position in FRC to first engine */
7574 SendToProgram("force\n", cps);
7576 /* engine is now in force mode! Set flag to wake it up after first move. */
7577 setboardSpoiledMachineBlack = 1;
7581 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
7582 SendToProgram(buf, cps);
7584 cps->maybeThinking = FALSE;
7585 cps->offeredDraw = 0;
7586 if (!appData.icsActive) {
7587 SendTimeControl(cps, movesPerSession, timeControl,
7588 timeIncrement, appData.searchDepth,
7591 if (appData.showThinking
7592 // [HGM] thinking: four options require thinking output to be sent
7593 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7595 SendToProgram("post\n", cps);
7597 SendToProgram("hard\n", cps);
7598 if (!appData.ponderNextMove) {
7599 /* Warning: "easy" is a toggle in GNU Chess, so don't send
7600 it without being sure what state we are in first. "hard"
7601 is not a toggle, so that one is OK.
7603 SendToProgram("easy\n", cps);
7606 sprintf(buf, "ping %d\n", ++cps->lastPing);
7607 SendToProgram(buf, cps);
7609 cps->initDone = TRUE;
7614 StartChessProgram(cps)
7615 ChessProgramState *cps;
7620 if (appData.noChessProgram) return;
7621 cps->initDone = FALSE;
7623 if (strcmp(cps->host, "localhost") == 0) {
7624 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
7625 } else if (*appData.remoteShell == NULLCHAR) {
7626 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
7628 if (*appData.remoteUser == NULLCHAR) {
7629 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
7632 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
7633 cps->host, appData.remoteUser, cps->program);
7635 err = StartChildProcess(buf, "", &cps->pr);
7639 sprintf(buf, _("Startup failure on '%s'"), cps->program);
7640 DisplayFatalError(buf, err, 1);
7646 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
7647 if (cps->protocolVersion > 1) {
7648 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
7649 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
7650 cps->comboCnt = 0; // and values of combo boxes
7651 SendToProgram(buf, cps);
7653 SendToProgram("xboard\n", cps);
7659 TwoMachinesEventIfReady P((void))
7661 if (first.lastPing != first.lastPong) {
7662 DisplayMessage("", _("Waiting for first chess program"));
7663 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
7666 if (second.lastPing != second.lastPong) {
7667 DisplayMessage("", _("Waiting for second chess program"));
7668 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
7676 NextMatchGame P((void))
7678 int index; /* [HGM] autoinc: step lod index during match */
7680 if (*appData.loadGameFile != NULLCHAR) {
7681 index = appData.loadGameIndex;
7682 if(index < 0) { // [HGM] autoinc
7683 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
7684 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
7686 LoadGameFromFile(appData.loadGameFile,
7688 appData.loadGameFile, FALSE);
7689 } else if (*appData.loadPositionFile != NULLCHAR) {
7690 index = appData.loadPositionIndex;
7691 if(index < 0) { // [HGM] autoinc
7692 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
7693 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
7695 LoadPositionFromFile(appData.loadPositionFile,
7697 appData.loadPositionFile);
7699 TwoMachinesEventIfReady();
7702 void UserAdjudicationEvent( int result )
7704 ChessMove gameResult = GameIsDrawn;
7707 gameResult = WhiteWins;
7709 else if( result < 0 ) {
7710 gameResult = BlackWins;
7713 if( gameMode == TwoMachinesPlay ) {
7714 GameEnds( gameResult, "User adjudication", GE_XBOARD );
7720 GameEnds(result, resultDetails, whosays)
7722 char *resultDetails;
7725 GameMode nextGameMode;
7729 if(endingGame) return; /* [HGM] crash: forbid recursion */
7732 if (appData.debugMode) {
7733 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
7734 result, resultDetails ? resultDetails : "(null)", whosays);
7737 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
7738 /* If we are playing on ICS, the server decides when the
7739 game is over, but the engine can offer to draw, claim
7743 if (appData.zippyPlay && first.initDone) {
7744 if (result == GameIsDrawn) {
7745 /* In case draw still needs to be claimed */
7746 SendToICS(ics_prefix);
7747 SendToICS("draw\n");
7748 } else if (StrCaseStr(resultDetails, "resign")) {
7749 SendToICS(ics_prefix);
7750 SendToICS("resign\n");
7754 endingGame = 0; /* [HGM] crash */
7758 /* If we're loading the game from a file, stop */
7759 if (whosays == GE_FILE) {
7760 (void) StopLoadGameTimer();
7764 /* Cancel draw offers */
7765 first.offeredDraw = second.offeredDraw = 0;
7767 /* If this is an ICS game, only ICS can really say it's done;
7768 if not, anyone can. */
7769 isIcsGame = (gameMode == IcsPlayingWhite ||
7770 gameMode == IcsPlayingBlack ||
7771 gameMode == IcsObserving ||
7772 gameMode == IcsExamining);
7774 if (!isIcsGame || whosays == GE_ICS) {
7775 /* OK -- not an ICS game, or ICS said it was done */
7777 if (!isIcsGame && !appData.noChessProgram)
7778 SetUserThinkingEnables();
7780 /* [HGM] if a machine claims the game end we verify this claim */
7781 if(gameMode == TwoMachinesPlay && appData.testClaims) {
7782 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
7784 ChessMove trueResult = (ChessMove) -1;
7786 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
7787 first.twoMachinesColor[0] :
7788 second.twoMachinesColor[0] ;
7790 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
7791 if(epStatus[forwardMostMove] == EP_CHECKMATE) {
7792 /* [HGM] verify: engine mate claims accepted if they were flagged */
7793 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
7795 if(epStatus[forwardMostMove] == EP_WINS) { // added code for games where being mated is a win
7796 /* [HGM] verify: engine mate claims accepted if they were flagged */
7797 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7799 if(epStatus[forwardMostMove] == EP_STALEMATE) { // only used to indicate draws now
7800 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
7803 // now verify win claims, but not in drop games, as we don't understand those yet
7804 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
7805 || gameInfo.variant == VariantGreat) &&
7806 (result == WhiteWins && claimer == 'w' ||
7807 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
7808 if (appData.debugMode) {
7809 fprintf(debugFP, "result=%d sp=%d move=%d\n",
7810 result, epStatus[forwardMostMove], forwardMostMove);
7812 if(result != trueResult) {
7813 sprintf(buf, "False win claim: '%s'", resultDetails);
7814 result = claimer == 'w' ? BlackWins : WhiteWins;
7815 resultDetails = buf;
7818 if( result == GameIsDrawn && epStatus[forwardMostMove] > EP_DRAWS
7819 && (forwardMostMove <= backwardMostMove ||
7820 epStatus[forwardMostMove-1] > EP_DRAWS ||
7821 (claimer=='b')==(forwardMostMove&1))
7823 /* [HGM] verify: draws that were not flagged are false claims */
7824 sprintf(buf, "False draw claim: '%s'", resultDetails);
7825 result = claimer == 'w' ? BlackWins : WhiteWins;
7826 resultDetails = buf;
7828 /* (Claiming a loss is accepted no questions asked!) */
7830 /* [HGM] bare: don't allow bare King to win */
7831 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
7832 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
7833 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
7834 && result != GameIsDrawn)
7835 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
7836 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
7837 int p = (int)boards[forwardMostMove][i][j] - color;
7838 if(p >= 0 && p <= (int)WhiteKing) k++;
7840 if (appData.debugMode) {
7841 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
7842 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
7845 result = GameIsDrawn;
7846 sprintf(buf, "%s but bare king", resultDetails);
7847 resultDetails = buf;
7853 if(serverMoves != NULL && !loadFlag) { char c = '=';
7854 if(result==WhiteWins) c = '+';
7855 if(result==BlackWins) c = '-';
7856 if(resultDetails != NULL)
7857 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
7859 if (resultDetails != NULL) {
7860 gameInfo.result = result;
7861 gameInfo.resultDetails = StrSave(resultDetails);
7863 /* display last move only if game was not loaded from file */
7864 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
7865 DisplayMove(currentMove - 1);
7867 if (forwardMostMove != 0) {
7868 if (gameMode != PlayFromGameFile && gameMode != EditGame) {
7869 if (*appData.saveGameFile != NULLCHAR) {
7870 SaveGameToFile(appData.saveGameFile, TRUE);
7871 } else if (appData.autoSaveGames) {
7874 if (*appData.savePositionFile != NULLCHAR) {
7875 SavePositionToFile(appData.savePositionFile);
7880 /* Tell program how game ended in case it is learning */
7881 /* [HGM] Moved this to after saving the PGN, just in case */
7882 /* engine died and we got here through time loss. In that */
7883 /* case we will get a fatal error writing the pipe, which */
7884 /* would otherwise lose us the PGN. */
7885 /* [HGM] crash: not needed anymore, but doesn't hurt; */
7886 /* output during GameEnds should never be fatal anymore */
7887 if (gameMode == MachinePlaysWhite ||
7888 gameMode == MachinePlaysBlack ||
7889 gameMode == TwoMachinesPlay ||
7890 gameMode == IcsPlayingWhite ||
7891 gameMode == IcsPlayingBlack ||
7892 gameMode == BeginningOfGame) {
7894 sprintf(buf, "result %s {%s}\n", PGNResult(result),
7896 if (first.pr != NoProc) {
7897 SendToProgram(buf, &first);
7899 if (second.pr != NoProc &&
7900 gameMode == TwoMachinesPlay) {
7901 SendToProgram(buf, &second);
7906 if (appData.icsActive) {
7907 if (appData.quietPlay &&
7908 (gameMode == IcsPlayingWhite ||
7909 gameMode == IcsPlayingBlack)) {
7910 SendToICS(ics_prefix);
7911 SendToICS("set shout 1\n");
7913 nextGameMode = IcsIdle;
7914 ics_user_moved = FALSE;
7915 /* clean up premove. It's ugly when the game has ended and the
7916 * premove highlights are still on the board.
7920 ClearPremoveHighlights();
7921 DrawPosition(FALSE, boards[currentMove]);
7923 if (whosays == GE_ICS) {
7926 if (gameMode == IcsPlayingWhite)
7928 else if(gameMode == IcsPlayingBlack)
7932 if (gameMode == IcsPlayingBlack)
7934 else if(gameMode == IcsPlayingWhite)
7941 PlayIcsUnfinishedSound();
7944 } else if (gameMode == EditGame ||
7945 gameMode == PlayFromGameFile ||
7946 gameMode == AnalyzeMode ||
7947 gameMode == AnalyzeFile) {
7948 nextGameMode = gameMode;
7950 nextGameMode = EndOfGame;
7955 nextGameMode = gameMode;
7958 if (appData.noChessProgram) {
7959 gameMode = nextGameMode;
7961 endingGame = 0; /* [HGM] crash */
7966 /* Put first chess program into idle state */
7967 if (first.pr != NoProc &&
7968 (gameMode == MachinePlaysWhite ||
7969 gameMode == MachinePlaysBlack ||
7970 gameMode == TwoMachinesPlay ||
7971 gameMode == IcsPlayingWhite ||
7972 gameMode == IcsPlayingBlack ||
7973 gameMode == BeginningOfGame)) {
7974 SendToProgram("force\n", &first);
7975 if (first.usePing) {
7977 sprintf(buf, "ping %d\n", ++first.lastPing);
7978 SendToProgram(buf, &first);
7981 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
7982 /* Kill off first chess program */
7983 if (first.isr != NULL)
7984 RemoveInputSource(first.isr);
7987 if (first.pr != NoProc) {
7989 DoSleep( appData.delayBeforeQuit );
7990 SendToProgram("quit\n", &first);
7991 DoSleep( appData.delayAfterQuit );
7992 DestroyChildProcess(first.pr, first.useSigterm);
7997 /* Put second chess program into idle state */
7998 if (second.pr != NoProc &&
7999 gameMode == TwoMachinesPlay) {
8000 SendToProgram("force\n", &second);
8001 if (second.usePing) {
8003 sprintf(buf, "ping %d\n", ++second.lastPing);
8004 SendToProgram(buf, &second);
8007 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8008 /* Kill off second chess program */
8009 if (second.isr != NULL)
8010 RemoveInputSource(second.isr);
8013 if (second.pr != NoProc) {
8014 DoSleep( appData.delayBeforeQuit );
8015 SendToProgram("quit\n", &second);
8016 DoSleep( appData.delayAfterQuit );
8017 DestroyChildProcess(second.pr, second.useSigterm);
8022 if (matchMode && gameMode == TwoMachinesPlay) {
8025 if (first.twoMachinesColor[0] == 'w') {
8032 if (first.twoMachinesColor[0] == 'b') {
8041 if (matchGame < appData.matchGames) {
8043 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
8044 tmp = first.twoMachinesColor;
8045 first.twoMachinesColor = second.twoMachinesColor;
8046 second.twoMachinesColor = tmp;
8048 gameMode = nextGameMode;
8050 if(appData.matchPause>10000 || appData.matchPause<10)
8051 appData.matchPause = 10000; /* [HGM] make pause adjustable */
8052 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
8053 endingGame = 0; /* [HGM] crash */
8057 gameMode = nextGameMode;
8058 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
8059 first.tidy, second.tidy,
8060 first.matchWins, second.matchWins,
8061 appData.matchGames - (first.matchWins + second.matchWins));
8062 DisplayFatalError(buf, 0, 0);
8065 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
8066 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
8068 gameMode = nextGameMode;
8070 endingGame = 0; /* [HGM] crash */
8073 /* Assumes program was just initialized (initString sent).
8074 Leaves program in force mode. */
8076 FeedMovesToProgram(cps, upto)
8077 ChessProgramState *cps;
8082 if (appData.debugMode)
8083 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
8084 startedFromSetupPosition ? "position and " : "",
8085 backwardMostMove, upto, cps->which);
8086 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
8087 // [HGM] variantswitch: make engine aware of new variant
8088 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
8089 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
8090 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
8091 SendToProgram(buf, cps);
8092 currentlyInitializedVariant = gameInfo.variant;
8094 SendToProgram("force\n", cps);
8095 if (startedFromSetupPosition) {
8096 SendBoard(cps, backwardMostMove);
8097 if (appData.debugMode) {
8098 fprintf(debugFP, "feedMoves\n");
8101 for (i = backwardMostMove; i < upto; i++) {
8102 SendMoveToProgram(i, cps);
8108 ResurrectChessProgram()
8110 /* The chess program may have exited.
8111 If so, restart it and feed it all the moves made so far. */
8113 if (appData.noChessProgram || first.pr != NoProc) return;
8115 StartChessProgram(&first);
8116 InitChessProgram(&first, FALSE);
8117 FeedMovesToProgram(&first, currentMove);
8119 if (!first.sendTime) {
8120 /* can't tell gnuchess what its clock should read,
8121 so we bow to its notion. */
8123 timeRemaining[0][currentMove] = whiteTimeRemaining;
8124 timeRemaining[1][currentMove] = blackTimeRemaining;
8127 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
8128 appData.icsEngineAnalyze) && first.analysisSupport) {
8129 SendToProgram("analyze\n", &first);
8130 first.analyzing = TRUE;
8143 if (appData.debugMode) {
8144 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
8145 redraw, init, gameMode);
8147 pausing = pauseExamInvalid = FALSE;
8148 startedFromSetupPosition = blackPlaysFirst = FALSE;
8150 whiteFlag = blackFlag = FALSE;
8151 userOfferedDraw = FALSE;
8152 hintRequested = bookRequested = FALSE;
8153 first.maybeThinking = FALSE;
8154 second.maybeThinking = FALSE;
8155 first.bookSuspend = FALSE; // [HGM] book
8156 second.bookSuspend = FALSE;
8157 thinkOutput[0] = NULLCHAR;
8158 lastHint[0] = NULLCHAR;
8159 ClearGameInfo(&gameInfo);
8160 gameInfo.variant = StringToVariant(appData.variant);
8161 ics_user_moved = ics_clock_paused = FALSE;
8162 ics_getting_history = H_FALSE;
8164 white_holding[0] = black_holding[0] = NULLCHAR;
8165 ClearProgramStats();
8166 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
8170 flipView = appData.flipView;
8171 ClearPremoveHighlights();
8173 alarmSounded = FALSE;
8175 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
8176 if(appData.serverMovesName != NULL) {
8177 /* [HGM] prepare to make moves file for broadcasting */
8178 clock_t t = clock();
8179 if(serverMoves != NULL) fclose(serverMoves);
8180 serverMoves = fopen(appData.serverMovesName, "r");
8181 if(serverMoves != NULL) {
8182 fclose(serverMoves);
8183 /* delay 15 sec before overwriting, so all clients can see end */
8184 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
8186 serverMoves = fopen(appData.serverMovesName, "w");
8190 gameMode = BeginningOfGame;
8192 if(appData.icsActive) gameInfo.variant = VariantNormal;
8193 InitPosition(redraw);
8194 for (i = 0; i < MAX_MOVES; i++) {
8195 if (commentList[i] != NULL) {
8196 free(commentList[i]);
8197 commentList[i] = NULL;
8201 timeRemaining[0][0] = whiteTimeRemaining;
8202 timeRemaining[1][0] = blackTimeRemaining;
8203 if (first.pr == NULL) {
8204 StartChessProgram(&first);
8207 InitChessProgram(&first, startedFromSetupPosition);
8210 DisplayMessage("", "");
8211 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
8218 if (!AutoPlayOneMove())
8220 if (matchMode || appData.timeDelay == 0)
8222 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
8224 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
8233 int fromX, fromY, toX, toY;
8235 if (appData.debugMode) {
8236 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
8239 if (gameMode != PlayFromGameFile)
8242 if (currentMove >= forwardMostMove) {
8243 gameMode = EditGame;
8246 /* [AS] Clear current move marker at the end of a game */
8247 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
8252 toX = moveList[currentMove][2] - AAA;
8253 toY = moveList[currentMove][3] - ONE;
8255 if (moveList[currentMove][1] == '@') {
8256 if (appData.highlightLastMove) {
8257 SetHighlights(-1, -1, toX, toY);
8260 fromX = moveList[currentMove][0] - AAA;
8261 fromY = moveList[currentMove][1] - ONE;
8263 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
8265 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
8267 if (appData.highlightLastMove) {
8268 SetHighlights(fromX, fromY, toX, toY);
8271 DisplayMove(currentMove);
8272 SendMoveToProgram(currentMove++, &first);
8273 DisplayBothClocks();
8274 DrawPosition(FALSE, boards[currentMove]);
8275 // [HGM] PV info: always display, routine tests if empty
8276 DisplayComment(currentMove - 1, commentList[currentMove]);
8282 LoadGameOneMove(readAhead)
8283 ChessMove readAhead;
8285 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
8286 char promoChar = NULLCHAR;
8291 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
8292 gameMode != AnalyzeMode && gameMode != Training) {
8297 yyboardindex = forwardMostMove;
8298 if (readAhead != (ChessMove)0) {
8299 moveType = readAhead;
8301 if (gameFileFP == NULL)
8303 moveType = (ChessMove) yylex();
8309 if (appData.debugMode)
8310 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
8312 if (*p == '{' || *p == '[' || *p == '(') {
8313 p[strlen(p) - 1] = NULLCHAR;
8317 /* append the comment but don't display it */
8318 while (*p == '\n') p++;
8319 AppendComment(currentMove, p);
8322 case WhiteCapturesEnPassant:
8323 case BlackCapturesEnPassant:
8324 case WhitePromotionChancellor:
8325 case BlackPromotionChancellor:
8326 case WhitePromotionArchbishop:
8327 case BlackPromotionArchbishop:
8328 case WhitePromotionCentaur:
8329 case BlackPromotionCentaur:
8330 case WhitePromotionQueen:
8331 case BlackPromotionQueen:
8332 case WhitePromotionRook:
8333 case BlackPromotionRook:
8334 case WhitePromotionBishop:
8335 case BlackPromotionBishop:
8336 case WhitePromotionKnight:
8337 case BlackPromotionKnight:
8338 case WhitePromotionKing:
8339 case BlackPromotionKing:
8341 case WhiteKingSideCastle:
8342 case WhiteQueenSideCastle:
8343 case BlackKingSideCastle:
8344 case BlackQueenSideCastle:
8345 case WhiteKingSideCastleWild:
8346 case WhiteQueenSideCastleWild:
8347 case BlackKingSideCastleWild:
8348 case BlackQueenSideCastleWild:
8350 case WhiteHSideCastleFR:
8351 case WhiteASideCastleFR:
8352 case BlackHSideCastleFR:
8353 case BlackASideCastleFR:
8355 if (appData.debugMode)
8356 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8357 fromX = currentMoveString[0] - AAA;
8358 fromY = currentMoveString[1] - ONE;
8359 toX = currentMoveString[2] - AAA;
8360 toY = currentMoveString[3] - ONE;
8361 promoChar = currentMoveString[4];
8366 if (appData.debugMode)
8367 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8368 fromX = moveType == WhiteDrop ?
8369 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8370 (int) CharToPiece(ToLower(currentMoveString[0]));
8372 toX = currentMoveString[2] - AAA;
8373 toY = currentMoveString[3] - ONE;
8379 case GameUnfinished:
8380 if (appData.debugMode)
8381 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
8382 p = strchr(yy_text, '{');
8383 if (p == NULL) p = strchr(yy_text, '(');
8386 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8388 q = strchr(p, *p == '{' ? '}' : ')');
8389 if (q != NULL) *q = NULLCHAR;
8392 GameEnds(moveType, p, GE_FILE);
8394 if (cmailMsgLoaded) {
8396 flipView = WhiteOnMove(currentMove);
8397 if (moveType == GameUnfinished) flipView = !flipView;
8398 if (appData.debugMode)
8399 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
8403 case (ChessMove) 0: /* end of file */
8404 if (appData.debugMode)
8405 fprintf(debugFP, "Parser hit end of file\n");
8406 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8407 EP_UNKNOWN, castlingRights[currentMove]) ) {
8413 if (WhiteOnMove(currentMove)) {
8414 GameEnds(BlackWins, "Black mates", GE_FILE);
8416 GameEnds(WhiteWins, "White mates", GE_FILE);
8420 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
8427 if (lastLoadGameStart == GNUChessGame) {
8428 /* GNUChessGames have numbers, but they aren't move numbers */
8429 if (appData.debugMode)
8430 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
8431 yy_text, (int) moveType);
8432 return LoadGameOneMove((ChessMove)0); /* tail recursion */
8434 /* else fall thru */
8439 /* Reached start of next game in file */
8440 if (appData.debugMode)
8441 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
8442 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8443 EP_UNKNOWN, castlingRights[currentMove]) ) {
8449 if (WhiteOnMove(currentMove)) {
8450 GameEnds(BlackWins, "Black mates", GE_FILE);
8452 GameEnds(WhiteWins, "White mates", GE_FILE);
8456 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
8462 case PositionDiagram: /* should not happen; ignore */
8463 case ElapsedTime: /* ignore */
8464 case NAG: /* ignore */
8465 if (appData.debugMode)
8466 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
8467 yy_text, (int) moveType);
8468 return LoadGameOneMove((ChessMove)0); /* tail recursion */
8471 if (appData.testLegality) {
8472 if (appData.debugMode)
8473 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
8474 sprintf(move, _("Illegal move: %d.%s%s"),
8475 (forwardMostMove / 2) + 1,
8476 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8477 DisplayError(move, 0);
8480 if (appData.debugMode)
8481 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
8482 yy_text, currentMoveString);
8483 fromX = currentMoveString[0] - AAA;
8484 fromY = currentMoveString[1] - ONE;
8485 toX = currentMoveString[2] - AAA;
8486 toY = currentMoveString[3] - ONE;
8487 promoChar = currentMoveString[4];
8492 if (appData.debugMode)
8493 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
8494 sprintf(move, _("Ambiguous move: %d.%s%s"),
8495 (forwardMostMove / 2) + 1,
8496 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8497 DisplayError(move, 0);
8502 case ImpossibleMove:
8503 if (appData.debugMode)
8504 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
8505 sprintf(move, _("Illegal move: %d.%s%s"),
8506 (forwardMostMove / 2) + 1,
8507 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8508 DisplayError(move, 0);
8514 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
8515 DrawPosition(FALSE, boards[currentMove]);
8516 DisplayBothClocks();
8517 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
8518 DisplayComment(currentMove - 1, commentList[currentMove]);
8520 (void) StopLoadGameTimer();
8522 cmailOldMove = forwardMostMove;
8525 /* currentMoveString is set as a side-effect of yylex */
8526 strcat(currentMoveString, "\n");
8527 strcpy(moveList[forwardMostMove], currentMoveString);
8529 thinkOutput[0] = NULLCHAR;
8530 MakeMove(fromX, fromY, toX, toY, promoChar);
8531 currentMove = forwardMostMove;
8536 /* Load the nth game from the given file */
8538 LoadGameFromFile(filename, n, title, useList)
8542 /*Boolean*/ int useList;
8547 if (strcmp(filename, "-") == 0) {
8551 f = fopen(filename, "rb");
8553 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
8554 DisplayError(buf, errno);
8558 if (fseek(f, 0, 0) == -1) {
8559 /* f is not seekable; probably a pipe */
8562 if (useList && n == 0) {
8563 int error = GameListBuild(f);
8565 DisplayError(_("Cannot build game list"), error);
8566 } else if (!ListEmpty(&gameList) &&
8567 ((ListGame *) gameList.tailPred)->number > 1) {
8568 GameListPopUp(f, title);
8575 return LoadGame(f, n, title, FALSE);
8580 MakeRegisteredMove()
8582 int fromX, fromY, toX, toY;
8584 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
8585 switch (cmailMoveType[lastLoadGameNumber - 1]) {
8588 if (appData.debugMode)
8589 fprintf(debugFP, "Restoring %s for game %d\n",
8590 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
8592 thinkOutput[0] = NULLCHAR;
8593 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
8594 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
8595 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
8596 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
8597 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
8598 promoChar = cmailMove[lastLoadGameNumber - 1][4];
8599 MakeMove(fromX, fromY, toX, toY, promoChar);
8600 ShowMove(fromX, fromY, toX, toY);
8602 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8603 EP_UNKNOWN, castlingRights[currentMove]) ) {
8610 if (WhiteOnMove(currentMove)) {
8611 GameEnds(BlackWins, "Black mates", GE_PLAYER);
8613 GameEnds(WhiteWins, "White mates", GE_PLAYER);
8618 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
8625 if (WhiteOnMove(currentMove)) {
8626 GameEnds(BlackWins, "White resigns", GE_PLAYER);
8628 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
8633 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
8644 /* Wrapper around LoadGame for use when a Cmail message is loaded */
8646 CmailLoadGame(f, gameNumber, title, useList)
8654 if (gameNumber > nCmailGames) {
8655 DisplayError(_("No more games in this message"), 0);
8658 if (f == lastLoadGameFP) {
8659 int offset = gameNumber - lastLoadGameNumber;
8661 cmailMsg[0] = NULLCHAR;
8662 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
8663 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
8664 nCmailMovesRegistered--;
8666 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
8667 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
8668 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
8671 if (! RegisterMove()) return FALSE;
8675 retVal = LoadGame(f, gameNumber, title, useList);
8677 /* Make move registered during previous look at this game, if any */
8678 MakeRegisteredMove();
8680 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
8681 commentList[currentMove]
8682 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
8683 DisplayComment(currentMove - 1, commentList[currentMove]);
8689 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
8694 int gameNumber = lastLoadGameNumber + offset;
8695 if (lastLoadGameFP == NULL) {
8696 DisplayError(_("No game has been loaded yet"), 0);
8699 if (gameNumber <= 0) {
8700 DisplayError(_("Can't back up any further"), 0);
8703 if (cmailMsgLoaded) {
8704 return CmailLoadGame(lastLoadGameFP, gameNumber,
8705 lastLoadGameTitle, lastLoadGameUseList);
8707 return LoadGame(lastLoadGameFP, gameNumber,
8708 lastLoadGameTitle, lastLoadGameUseList);
8714 /* Load the nth game from open file f */
8716 LoadGame(f, gameNumber, title, useList)
8724 int gn = gameNumber;
8725 ListGame *lg = NULL;
8728 GameMode oldGameMode;
8729 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
8731 if (appData.debugMode)
8732 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
8734 if (gameMode == Training )
8735 SetTrainingModeOff();
8737 oldGameMode = gameMode;
8738 if (gameMode != BeginningOfGame) {
8743 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
8744 fclose(lastLoadGameFP);
8748 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
8751 fseek(f, lg->offset, 0);
8752 GameListHighlight(gameNumber);
8756 DisplayError(_("Game number out of range"), 0);
8761 if (fseek(f, 0, 0) == -1) {
8762 if (f == lastLoadGameFP ?
8763 gameNumber == lastLoadGameNumber + 1 :
8767 DisplayError(_("Can't seek on game file"), 0);
8773 lastLoadGameNumber = gameNumber;
8774 strcpy(lastLoadGameTitle, title);
8775 lastLoadGameUseList = useList;
8779 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
8780 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
8781 lg->gameInfo.black);
8783 } else if (*title != NULLCHAR) {
8784 if (gameNumber > 1) {
8785 sprintf(buf, "%s %d", title, gameNumber);
8788 DisplayTitle(title);
8792 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
8793 gameMode = PlayFromGameFile;
8797 currentMove = forwardMostMove = backwardMostMove = 0;
8798 CopyBoard(boards[0], initialPosition);
8802 * Skip the first gn-1 games in the file.
8803 * Also skip over anything that precedes an identifiable
8804 * start of game marker, to avoid being confused by
8805 * garbage at the start of the file. Currently
8806 * recognized start of game markers are the move number "1",
8807 * the pattern "gnuchess .* game", the pattern
8808 * "^[#;%] [^ ]* game file", and a PGN tag block.
8809 * A game that starts with one of the latter two patterns
8810 * will also have a move number 1, possibly
8811 * following a position diagram.
8812 * 5-4-02: Let's try being more lenient and allowing a game to
8813 * start with an unnumbered move. Does that break anything?
8815 cm = lastLoadGameStart = (ChessMove) 0;
8817 yyboardindex = forwardMostMove;
8818 cm = (ChessMove) yylex();
8821 if (cmailMsgLoaded) {
8822 nCmailGames = CMAIL_MAX_GAMES - gn;
8825 DisplayError(_("Game not found in file"), 0);
8832 lastLoadGameStart = cm;
8836 switch (lastLoadGameStart) {
8843 gn--; /* count this game */
8844 lastLoadGameStart = cm;
8853 switch (lastLoadGameStart) {
8858 gn--; /* count this game */
8859 lastLoadGameStart = cm;
8862 lastLoadGameStart = cm; /* game counted already */
8870 yyboardindex = forwardMostMove;
8871 cm = (ChessMove) yylex();
8872 } while (cm == PGNTag || cm == Comment);
8879 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
8880 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
8881 != CMAIL_OLD_RESULT) {
8883 cmailResult[ CMAIL_MAX_GAMES
8884 - gn - 1] = CMAIL_OLD_RESULT;
8890 /* Only a NormalMove can be at the start of a game
8891 * without a position diagram. */
8892 if (lastLoadGameStart == (ChessMove) 0) {
8894 lastLoadGameStart = MoveNumberOne;
8903 if (appData.debugMode)
8904 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
8906 if (cm == XBoardGame) {
8907 /* Skip any header junk before position diagram and/or move 1 */
8909 yyboardindex = forwardMostMove;
8910 cm = (ChessMove) yylex();
8912 if (cm == (ChessMove) 0 ||
8913 cm == GNUChessGame || cm == XBoardGame) {
8914 /* Empty game; pretend end-of-file and handle later */
8919 if (cm == MoveNumberOne || cm == PositionDiagram ||
8920 cm == PGNTag || cm == Comment)
8923 } else if (cm == GNUChessGame) {
8924 if (gameInfo.event != NULL) {
8925 free(gameInfo.event);
8927 gameInfo.event = StrSave(yy_text);
8930 startedFromSetupPosition = FALSE;
8931 while (cm == PGNTag) {
8932 if (appData.debugMode)
8933 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
8934 err = ParsePGNTag(yy_text, &gameInfo);
8935 if (!err) numPGNTags++;
8937 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
8938 if(gameInfo.variant != oldVariant) {
8939 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
8941 oldVariant = gameInfo.variant;
8942 if (appData.debugMode)
8943 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
8947 if (gameInfo.fen != NULL) {
8948 Board initial_position;
8949 startedFromSetupPosition = TRUE;
8950 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
8952 DisplayError(_("Bad FEN position in file"), 0);
8955 CopyBoard(boards[0], initial_position);
8956 if (blackPlaysFirst) {
8957 currentMove = forwardMostMove = backwardMostMove = 1;
8958 CopyBoard(boards[1], initial_position);
8959 strcpy(moveList[0], "");
8960 strcpy(parseList[0], "");
8961 timeRemaining[0][1] = whiteTimeRemaining;
8962 timeRemaining[1][1] = blackTimeRemaining;
8963 if (commentList[0] != NULL) {
8964 commentList[1] = commentList[0];
8965 commentList[0] = NULL;
8968 currentMove = forwardMostMove = backwardMostMove = 0;
8970 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
8972 initialRulePlies = FENrulePlies;
8973 epStatus[forwardMostMove] = FENepStatus;
8974 for( i=0; i< nrCastlingRights; i++ )
8975 initialRights[i] = castlingRights[forwardMostMove][i] = FENcastlingRights[i];
8977 yyboardindex = forwardMostMove;
8979 gameInfo.fen = NULL;
8982 yyboardindex = forwardMostMove;
8983 cm = (ChessMove) yylex();
8985 /* Handle comments interspersed among the tags */
8986 while (cm == Comment) {
8988 if (appData.debugMode)
8989 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
8991 if (*p == '{' || *p == '[' || *p == '(') {
8992 p[strlen(p) - 1] = NULLCHAR;
8995 while (*p == '\n') p++;
8996 AppendComment(currentMove, p);
8997 yyboardindex = forwardMostMove;
8998 cm = (ChessMove) yylex();
9002 /* don't rely on existence of Event tag since if game was
9003 * pasted from clipboard the Event tag may not exist
9005 if (numPGNTags > 0){
9007 if (gameInfo.variant == VariantNormal) {
9008 gameInfo.variant = StringToVariant(gameInfo.event);
9011 if( appData.autoDisplayTags ) {
9012 tags = PGNTags(&gameInfo);
9013 TagsPopUp(tags, CmailMsg());
9018 /* Make something up, but don't display it now */
9023 if (cm == PositionDiagram) {
9026 Board initial_position;
9028 if (appData.debugMode)
9029 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
9031 if (!startedFromSetupPosition) {
9033 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
9034 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
9044 initial_position[i][j++] = CharToPiece(*p);
9047 while (*p == ' ' || *p == '\t' ||
9048 *p == '\n' || *p == '\r') p++;
9050 if (strncmp(p, "black", strlen("black"))==0)
9051 blackPlaysFirst = TRUE;
9053 blackPlaysFirst = FALSE;
9054 startedFromSetupPosition = TRUE;
9056 CopyBoard(boards[0], initial_position);
9057 if (blackPlaysFirst) {
9058 currentMove = forwardMostMove = backwardMostMove = 1;
9059 CopyBoard(boards[1], initial_position);
9060 strcpy(moveList[0], "");
9061 strcpy(parseList[0], "");
9062 timeRemaining[0][1] = whiteTimeRemaining;
9063 timeRemaining[1][1] = blackTimeRemaining;
9064 if (commentList[0] != NULL) {
9065 commentList[1] = commentList[0];
9066 commentList[0] = NULL;
9069 currentMove = forwardMostMove = backwardMostMove = 0;
9072 yyboardindex = forwardMostMove;
9073 cm = (ChessMove) yylex();
9076 if (first.pr == NoProc) {
9077 StartChessProgram(&first);
9079 InitChessProgram(&first, FALSE);
9080 SendToProgram("force\n", &first);
9081 if (startedFromSetupPosition) {
9082 SendBoard(&first, forwardMostMove);
9083 if (appData.debugMode) {
9084 fprintf(debugFP, "Load Game\n");
9086 DisplayBothClocks();
9089 /* [HGM] server: flag to write setup moves in broadcast file as one */
9090 loadFlag = appData.suppressLoadMoves;
9092 while (cm == Comment) {
9094 if (appData.debugMode)
9095 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9097 if (*p == '{' || *p == '[' || *p == '(') {
9098 p[strlen(p) - 1] = NULLCHAR;
9101 while (*p == '\n') p++;
9102 AppendComment(currentMove, p);
9103 yyboardindex = forwardMostMove;
9104 cm = (ChessMove) yylex();
9107 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
9108 cm == WhiteWins || cm == BlackWins ||
9109 cm == GameIsDrawn || cm == GameUnfinished) {
9110 DisplayMessage("", _("No moves in game"));
9111 if (cmailMsgLoaded) {
9112 if (appData.debugMode)
9113 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
9117 DrawPosition(FALSE, boards[currentMove]);
9118 DisplayBothClocks();
9119 gameMode = EditGame;
9126 // [HGM] PV info: routine tests if comment empty
9127 if (!matchMode && (pausing || appData.timeDelay != 0)) {
9128 DisplayComment(currentMove - 1, commentList[currentMove]);
9130 if (!matchMode && appData.timeDelay != 0)
9131 DrawPosition(FALSE, boards[currentMove]);
9133 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
9134 programStats.ok_to_send = 1;
9137 /* if the first token after the PGN tags is a move
9138 * and not move number 1, retrieve it from the parser
9140 if (cm != MoveNumberOne)
9141 LoadGameOneMove(cm);
9143 /* load the remaining moves from the file */
9144 while (LoadGameOneMove((ChessMove)0)) {
9145 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9146 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9149 /* rewind to the start of the game */
9150 currentMove = backwardMostMove;
9152 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9154 if (oldGameMode == AnalyzeFile ||
9155 oldGameMode == AnalyzeMode) {
9159 if (matchMode || appData.timeDelay == 0) {
9161 gameMode = EditGame;
9163 } else if (appData.timeDelay > 0) {
9167 if (appData.debugMode)
9168 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
9170 loadFlag = 0; /* [HGM] true game starts */
9174 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
9176 ReloadPosition(offset)
9179 int positionNumber = lastLoadPositionNumber + offset;
9180 if (lastLoadPositionFP == NULL) {
9181 DisplayError(_("No position has been loaded yet"), 0);
9184 if (positionNumber <= 0) {
9185 DisplayError(_("Can't back up any further"), 0);
9188 return LoadPosition(lastLoadPositionFP, positionNumber,
9189 lastLoadPositionTitle);
9192 /* Load the nth position from the given file */
9194 LoadPositionFromFile(filename, n, title)
9202 if (strcmp(filename, "-") == 0) {
9203 return LoadPosition(stdin, n, "stdin");
9205 f = fopen(filename, "rb");
9207 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9208 DisplayError(buf, errno);
9211 return LoadPosition(f, n, title);
9216 /* Load the nth position from the given open file, and close it */
9218 LoadPosition(f, positionNumber, title)
9223 char *p, line[MSG_SIZ];
9224 Board initial_position;
9225 int i, j, fenMode, pn;
9227 if (gameMode == Training )
9228 SetTrainingModeOff();
9230 if (gameMode != BeginningOfGame) {
9233 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
9234 fclose(lastLoadPositionFP);
9236 if (positionNumber == 0) positionNumber = 1;
9237 lastLoadPositionFP = f;
9238 lastLoadPositionNumber = positionNumber;
9239 strcpy(lastLoadPositionTitle, title);
9240 if (first.pr == NoProc) {
9241 StartChessProgram(&first);
9242 InitChessProgram(&first, FALSE);
9244 pn = positionNumber;
9245 if (positionNumber < 0) {
9246 /* Negative position number means to seek to that byte offset */
9247 if (fseek(f, -positionNumber, 0) == -1) {
9248 DisplayError(_("Can't seek on position file"), 0);
9253 if (fseek(f, 0, 0) == -1) {
9254 if (f == lastLoadPositionFP ?
9255 positionNumber == lastLoadPositionNumber + 1 :
9256 positionNumber == 1) {
9259 DisplayError(_("Can't seek on position file"), 0);
9264 /* See if this file is FEN or old-style xboard */
9265 if (fgets(line, MSG_SIZ, f) == NULL) {
9266 DisplayError(_("Position not found in file"), 0);
9275 case 'p': case 'n': case 'b': case 'r': case 'q': case 'k':
9276 case 'P': case 'N': case 'B': case 'R': case 'Q': case 'K':
9277 case '1': case '2': case '3': case '4': case '5': case '6':
9278 case '7': case '8': case '9':
9279 case 'H': case 'A': case 'M': case 'h': case 'a': case 'm':
9280 case 'E': case 'F': case 'G': case 'e': case 'f': case 'g':
9281 case 'C': case 'W': case 'c': case 'w':
9286 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
9287 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
9291 if (fenMode || line[0] == '#') pn--;
9293 /* skip positions before number pn */
9294 if (fgets(line, MSG_SIZ, f) == NULL) {
9296 DisplayError(_("Position not found in file"), 0);
9299 if (fenMode || line[0] == '#') pn--;
9304 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
9305 DisplayError(_("Bad FEN position in file"), 0);
9309 (void) fgets(line, MSG_SIZ, f);
9310 (void) fgets(line, MSG_SIZ, f);
9312 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
9313 (void) fgets(line, MSG_SIZ, f);
9314 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
9317 initial_position[i][j++] = CharToPiece(*p);
9321 blackPlaysFirst = FALSE;
9323 (void) fgets(line, MSG_SIZ, f);
9324 if (strncmp(line, "black", strlen("black"))==0)
9325 blackPlaysFirst = TRUE;
9328 startedFromSetupPosition = TRUE;
9330 SendToProgram("force\n", &first);
9331 CopyBoard(boards[0], initial_position);
9332 if (blackPlaysFirst) {
9333 currentMove = forwardMostMove = backwardMostMove = 1;
9334 strcpy(moveList[0], "");
9335 strcpy(parseList[0], "");
9336 CopyBoard(boards[1], initial_position);
9337 DisplayMessage("", _("Black to play"));
9339 currentMove = forwardMostMove = backwardMostMove = 0;
9340 DisplayMessage("", _("White to play"));
9342 /* [HGM] copy FEN attributes as well */
9344 initialRulePlies = FENrulePlies;
9345 epStatus[forwardMostMove] = FENepStatus;
9346 for( i=0; i< nrCastlingRights; i++ )
9347 castlingRights[forwardMostMove][i] = FENcastlingRights[i];
9349 SendBoard(&first, forwardMostMove);
9350 if (appData.debugMode) {
9352 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", castlingRights[i][j]);fprintf(debugFP,"\n");}
9353 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
9354 fprintf(debugFP, "Load Position\n");
9357 if (positionNumber > 1) {
9358 sprintf(line, "%s %d", title, positionNumber);
9361 DisplayTitle(title);
9363 gameMode = EditGame;
9366 timeRemaining[0][1] = whiteTimeRemaining;
9367 timeRemaining[1][1] = blackTimeRemaining;
9368 DrawPosition(FALSE, boards[currentMove]);
9375 CopyPlayerNameIntoFileName(dest, src)
9378 while (*src != NULLCHAR && *src != ',') {
9383 *(*dest)++ = *src++;
9388 char *DefaultFileName(ext)
9391 static char def[MSG_SIZ];
9394 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
9396 CopyPlayerNameIntoFileName(&p, gameInfo.white);
9398 CopyPlayerNameIntoFileName(&p, gameInfo.black);
9407 /* Save the current game to the given file */
9409 SaveGameToFile(filename, append)
9416 if (strcmp(filename, "-") == 0) {
9417 return SaveGame(stdout, 0, NULL);
9419 f = fopen(filename, append ? "a" : "w");
9421 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9422 DisplayError(buf, errno);
9425 return SaveGame(f, 0, NULL);
9434 static char buf[MSG_SIZ];
9437 p = strchr(str, ' ');
9438 if (p == NULL) return str;
9439 strncpy(buf, str, p - str);
9440 buf[p - str] = NULLCHAR;
9444 #define PGN_MAX_LINE 75
9446 #define PGN_SIDE_WHITE 0
9447 #define PGN_SIDE_BLACK 1
9450 static int FindFirstMoveOutOfBook( int side )
9454 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
9455 int index = backwardMostMove;
9456 int has_book_hit = 0;
9458 if( (index % 2) != side ) {
9462 while( index < forwardMostMove ) {
9463 /* Check to see if engine is in book */
9464 int depth = pvInfoList[index].depth;
9465 int score = pvInfoList[index].score;
9471 else if( score == 0 && depth == 63 ) {
9472 in_book = 1; /* Zappa */
9474 else if( score == 2 && depth == 99 ) {
9475 in_book = 1; /* Abrok */
9478 has_book_hit += in_book;
9494 void GetOutOfBookInfo( char * buf )
9498 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9500 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
9501 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
9505 if( oob[0] >= 0 || oob[1] >= 0 ) {
9506 for( i=0; i<2; i++ ) {
9510 if( i > 0 && oob[0] >= 0 ) {
9514 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
9515 sprintf( buf+strlen(buf), "%s%.2f",
9516 pvInfoList[idx].score >= 0 ? "+" : "",
9517 pvInfoList[idx].score / 100.0 );
9523 /* Save game in PGN style and close the file */
9528 int i, offset, linelen, newblock;
9532 int movelen, numlen, blank;
9533 char move_buffer[100]; /* [AS] Buffer for move+PV info */
9535 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9537 tm = time((time_t *) NULL);
9539 PrintPGNTags(f, &gameInfo);
9541 if (backwardMostMove > 0 || startedFromSetupPosition) {
9542 char *fen = PositionToFEN(backwardMostMove, NULL);
9543 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
9544 fprintf(f, "\n{--------------\n");
9545 PrintPosition(f, backwardMostMove);
9546 fprintf(f, "--------------}\n");
9550 /* [AS] Out of book annotation */
9551 if( appData.saveOutOfBookInfo ) {
9554 GetOutOfBookInfo( buf );
9556 if( buf[0] != '\0' ) {
9557 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
9564 i = backwardMostMove;
9568 while (i < forwardMostMove) {
9569 /* Print comments preceding this move */
9570 if (commentList[i] != NULL) {
9571 if (linelen > 0) fprintf(f, "\n");
9572 fprintf(f, "{\n%s}\n", commentList[i]);
9577 /* Format move number */
9579 sprintf(numtext, "%d.", (i - offset)/2 + 1);
9582 sprintf(numtext, "%d...", (i - offset)/2 + 1);
9584 numtext[0] = NULLCHAR;
9587 numlen = strlen(numtext);
9590 /* Print move number */
9591 blank = linelen > 0 && numlen > 0;
9592 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
9601 fprintf(f, numtext);
9605 strcpy(move_buffer, parseList[i]); // [HGM] pgn: print move via buffer, so it can be edited
9606 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
9607 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
9608 int p = movelen - 1;
9609 if(move_buffer[p] == ' ') p--;
9610 if(move_buffer[p] == ')') { // [HGM] pgn: strip off ICS time if we have extended info
9611 while(p && move_buffer[--p] != '(');
9612 if(p && move_buffer[p-1] == ' ') move_buffer[movelen=p-1] = 0;
9617 blank = linelen > 0 && movelen > 0;
9618 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
9627 fprintf(f, move_buffer);
9630 /* [AS] Add PV info if present */
9631 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
9632 /* [HGM] add time */
9633 char buf[MSG_SIZ]; int seconds = 0;
9636 if(i >= backwardMostMove) {
9638 seconds = timeRemaining[0][i] - timeRemaining[0][i+1]
9639 + GetTimeQuota(i/2) / (1000*WhitePlayer()->timeOdds);
9641 seconds = timeRemaining[1][i] - timeRemaining[1][i+1]
9642 + GetTimeQuota(i/2) / (1000*WhitePlayer()->other->timeOdds);
9644 seconds = (seconds+50)/100; // deci-seconds, rounded to nearest
9646 seconds = (pvInfoList[i].time + 5)/10; // [HGM] PVtime: use engine time
9649 if( seconds <= 0) buf[0] = 0; else
9650 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
9651 seconds = (seconds + 4)/10; // round to full seconds
9652 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
9653 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
9656 sprintf( move_buffer, "{%s%.2f/%d%s}",
9657 pvInfoList[i].score >= 0 ? "+" : "",
9658 pvInfoList[i].score / 100.0,
9659 pvInfoList[i].depth,
9662 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
9664 /* Print score/depth */
9665 blank = linelen > 0 && movelen > 0;
9666 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
9675 fprintf(f, move_buffer);
9682 /* Start a new line */
9683 if (linelen > 0) fprintf(f, "\n");
9685 /* Print comments after last move */
9686 if (commentList[i] != NULL) {
9687 fprintf(f, "{\n%s}\n", commentList[i]);
9691 if (gameInfo.resultDetails != NULL &&
9692 gameInfo.resultDetails[0] != NULLCHAR) {
9693 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
9694 PGNResult(gameInfo.result));
9696 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
9703 /* Save game in old style and close the file */
9711 tm = time((time_t *) NULL);
9713 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
9716 if (backwardMostMove > 0 || startedFromSetupPosition) {
9717 fprintf(f, "\n[--------------\n");
9718 PrintPosition(f, backwardMostMove);
9719 fprintf(f, "--------------]\n");
9724 i = backwardMostMove;
9725 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9727 while (i < forwardMostMove) {
9728 if (commentList[i] != NULL) {
9729 fprintf(f, "[%s]\n", commentList[i]);
9733 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
9736 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
9738 if (commentList[i] != NULL) {
9742 if (i >= forwardMostMove) {
9746 fprintf(f, "%s\n", parseList[i]);
9751 if (commentList[i] != NULL) {
9752 fprintf(f, "[%s]\n", commentList[i]);
9755 /* This isn't really the old style, but it's close enough */
9756 if (gameInfo.resultDetails != NULL &&
9757 gameInfo.resultDetails[0] != NULLCHAR) {
9758 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
9759 gameInfo.resultDetails);
9761 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
9768 /* Save the current game to open file f and close the file */
9770 SaveGame(f, dummy, dummy2)
9775 if (gameMode == EditPosition) EditPositionDone();
9776 if (appData.oldSaveStyle)
9777 return SaveGameOldStyle(f);
9779 return SaveGamePGN(f);
9782 /* Save the current position to the given file */
9784 SavePositionToFile(filename)
9790 if (strcmp(filename, "-") == 0) {
9791 return SavePosition(stdout, 0, NULL);
9793 f = fopen(filename, "a");
9795 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9796 DisplayError(buf, errno);
9799 SavePosition(f, 0, NULL);
9805 /* Save the current position to the given open file and close the file */
9807 SavePosition(f, dummy, dummy2)
9815 if (appData.oldSaveStyle) {
9816 tm = time((time_t *) NULL);
9818 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
9820 fprintf(f, "[--------------\n");
9821 PrintPosition(f, currentMove);
9822 fprintf(f, "--------------]\n");
9824 fen = PositionToFEN(currentMove, NULL);
9825 fprintf(f, "%s\n", fen);
9833 ReloadCmailMsgEvent(unregister)
9837 static char *inFilename = NULL;
9838 static char *outFilename;
9840 struct stat inbuf, outbuf;
9843 /* Any registered moves are unregistered if unregister is set, */
9844 /* i.e. invoked by the signal handler */
9846 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
9847 cmailMoveRegistered[i] = FALSE;
9848 if (cmailCommentList[i] != NULL) {
9849 free(cmailCommentList[i]);
9850 cmailCommentList[i] = NULL;
9853 nCmailMovesRegistered = 0;
9856 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
9857 cmailResult[i] = CMAIL_NOT_RESULT;
9861 if (inFilename == NULL) {
9862 /* Because the filenames are static they only get malloced once */
9863 /* and they never get freed */
9864 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
9865 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
9867 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
9868 sprintf(outFilename, "%s.out", appData.cmailGameName);
9871 status = stat(outFilename, &outbuf);
9873 cmailMailedMove = FALSE;
9875 status = stat(inFilename, &inbuf);
9876 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
9879 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
9880 counts the games, notes how each one terminated, etc.
9882 It would be nice to remove this kludge and instead gather all
9883 the information while building the game list. (And to keep it
9884 in the game list nodes instead of having a bunch of fixed-size
9885 parallel arrays.) Note this will require getting each game's
9886 termination from the PGN tags, as the game list builder does
9887 not process the game moves. --mann
9889 cmailMsgLoaded = TRUE;
9890 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
9892 /* Load first game in the file or popup game menu */
9893 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
9903 char string[MSG_SIZ];
9905 if ( cmailMailedMove
9906 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
9907 return TRUE; /* Allow free viewing */
9910 /* Unregister move to ensure that we don't leave RegisterMove */
9911 /* with the move registered when the conditions for registering no */
9913 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9914 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9915 nCmailMovesRegistered --;
9917 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
9919 free(cmailCommentList[lastLoadGameNumber - 1]);
9920 cmailCommentList[lastLoadGameNumber - 1] = NULL;
9924 if (cmailOldMove == -1) {
9925 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
9929 if (currentMove > cmailOldMove + 1) {
9930 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
9934 if (currentMove < cmailOldMove) {
9935 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
9939 if (forwardMostMove > currentMove) {
9940 /* Silently truncate extra moves */
9944 if ( (currentMove == cmailOldMove + 1)
9945 || ( (currentMove == cmailOldMove)
9946 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
9947 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
9948 if (gameInfo.result != GameUnfinished) {
9949 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
9952 if (commentList[currentMove] != NULL) {
9953 cmailCommentList[lastLoadGameNumber - 1]
9954 = StrSave(commentList[currentMove]);
9956 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
9958 if (appData.debugMode)
9959 fprintf(debugFP, "Saving %s for game %d\n",
9960 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9963 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
9965 f = fopen(string, "w");
9966 if (appData.oldSaveStyle) {
9967 SaveGameOldStyle(f); /* also closes the file */
9969 sprintf(string, "%s.pos.out", appData.cmailGameName);
9970 f = fopen(string, "w");
9971 SavePosition(f, 0, NULL); /* also closes the file */
9973 fprintf(f, "{--------------\n");
9974 PrintPosition(f, currentMove);
9975 fprintf(f, "--------------}\n\n");
9977 SaveGame(f, 0, NULL); /* also closes the file*/
9980 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
9981 nCmailMovesRegistered ++;
9982 } else if (nCmailGames == 1) {
9983 DisplayError(_("You have not made a move yet"), 0);
9994 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
9995 FILE *commandOutput;
9996 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
9997 int nBytes = 0; /* Suppress warnings on uninitialized variables */
10003 if (! cmailMsgLoaded) {
10004 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
10008 if (nCmailGames == nCmailResults) {
10009 DisplayError(_("No unfinished games"), 0);
10013 #if CMAIL_PROHIBIT_REMAIL
10014 if (cmailMailedMove) {
10015 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);
10016 DisplayError(msg, 0);
10021 if (! (cmailMailedMove || RegisterMove())) return;
10023 if ( cmailMailedMove
10024 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
10025 sprintf(string, partCommandString,
10026 appData.debugMode ? " -v" : "", appData.cmailGameName);
10027 commandOutput = popen(string, "r");
10029 if (commandOutput == NULL) {
10030 DisplayError(_("Failed to invoke cmail"), 0);
10032 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
10033 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
10035 if (nBuffers > 1) {
10036 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
10037 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
10038 nBytes = MSG_SIZ - 1;
10040 (void) memcpy(msg, buffer, nBytes);
10042 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
10044 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
10045 cmailMailedMove = TRUE; /* Prevent >1 moves */
10048 for (i = 0; i < nCmailGames; i ++) {
10049 if (cmailResult[i] == CMAIL_NOT_RESULT) {
10054 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
10056 sprintf(buffer, "%s/%s.%s.archive",
10058 appData.cmailGameName,
10060 LoadGameFromFile(buffer, 1, buffer, FALSE);
10061 cmailMsgLoaded = FALSE;
10065 DisplayInformation(msg);
10066 pclose(commandOutput);
10069 if ((*cmailMsg) != '\0') {
10070 DisplayInformation(cmailMsg);
10075 #endif /* !WIN32 */
10084 int prependComma = 0;
10086 char string[MSG_SIZ]; /* Space for game-list */
10089 if (!cmailMsgLoaded) return "";
10091 if (cmailMailedMove) {
10092 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
10094 /* Create a list of games left */
10095 sprintf(string, "[");
10096 for (i = 0; i < nCmailGames; i ++) {
10097 if (! ( cmailMoveRegistered[i]
10098 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
10099 if (prependComma) {
10100 sprintf(number, ",%d", i + 1);
10102 sprintf(number, "%d", i + 1);
10106 strcat(string, number);
10109 strcat(string, "]");
10111 if (nCmailMovesRegistered + nCmailResults == 0) {
10112 switch (nCmailGames) {
10115 _("Still need to make move for game\n"));
10120 _("Still need to make moves for both games\n"));
10125 _("Still need to make moves for all %d games\n"),
10130 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
10133 _("Still need to make a move for game %s\n"),
10138 if (nCmailResults == nCmailGames) {
10139 sprintf(cmailMsg, _("No unfinished games\n"));
10141 sprintf(cmailMsg, _("Ready to send mail\n"));
10147 _("Still need to make moves for games %s\n"),
10159 if (gameMode == Training)
10160 SetTrainingModeOff();
10163 cmailMsgLoaded = FALSE;
10164 if (appData.icsActive) {
10165 SendToICS(ics_prefix);
10166 SendToICS("refresh\n");
10176 /* Give up on clean exit */
10180 /* Keep trying for clean exit */
10184 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
10186 if (telnetISR != NULL) {
10187 RemoveInputSource(telnetISR);
10189 if (icsPR != NoProc) {
10190 DestroyChildProcess(icsPR, TRUE);
10193 /* Save game if resource set and not already saved by GameEnds() */
10194 if ((gameInfo.resultDetails == NULL || errorExitFlag )
10195 && forwardMostMove > 0) {
10196 if (*appData.saveGameFile != NULLCHAR) {
10197 SaveGameToFile(appData.saveGameFile, TRUE);
10198 } else if (appData.autoSaveGames) {
10201 if (*appData.savePositionFile != NULLCHAR) {
10202 SavePositionToFile(appData.savePositionFile);
10205 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
10207 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
10208 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
10210 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
10211 /* make sure this other one finishes before killing it! */
10212 if(endingGame) { int count = 0;
10213 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
10214 while(endingGame && count++ < 10) DoSleep(1);
10215 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
10218 /* Kill off chess programs */
10219 if (first.pr != NoProc) {
10222 DoSleep( appData.delayBeforeQuit );
10223 SendToProgram("quit\n", &first);
10224 DoSleep( appData.delayAfterQuit );
10225 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
10227 if (second.pr != NoProc) {
10228 DoSleep( appData.delayBeforeQuit );
10229 SendToProgram("quit\n", &second);
10230 DoSleep( appData.delayAfterQuit );
10231 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
10233 if (first.isr != NULL) {
10234 RemoveInputSource(first.isr);
10236 if (second.isr != NULL) {
10237 RemoveInputSource(second.isr);
10240 ShutDownFrontEnd();
10247 if (appData.debugMode)
10248 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
10252 if (gameMode == MachinePlaysWhite ||
10253 gameMode == MachinePlaysBlack) {
10256 DisplayBothClocks();
10258 if (gameMode == PlayFromGameFile) {
10259 if (appData.timeDelay >= 0)
10260 AutoPlayGameLoop();
10261 } else if (gameMode == IcsExamining && pauseExamInvalid) {
10262 Reset(FALSE, TRUE);
10263 SendToICS(ics_prefix);
10264 SendToICS("refresh\n");
10265 } else if (currentMove < forwardMostMove) {
10266 ForwardInner(forwardMostMove);
10268 pauseExamInvalid = FALSE;
10270 switch (gameMode) {
10274 pauseExamForwardMostMove = forwardMostMove;
10275 pauseExamInvalid = FALSE;
10278 case IcsPlayingWhite:
10279 case IcsPlayingBlack:
10283 case PlayFromGameFile:
10284 (void) StopLoadGameTimer();
10288 case BeginningOfGame:
10289 if (appData.icsActive) return;
10290 /* else fall through */
10291 case MachinePlaysWhite:
10292 case MachinePlaysBlack:
10293 case TwoMachinesPlay:
10294 if (forwardMostMove == 0)
10295 return; /* don't pause if no one has moved */
10296 if ((gameMode == MachinePlaysWhite &&
10297 !WhiteOnMove(forwardMostMove)) ||
10298 (gameMode == MachinePlaysBlack &&
10299 WhiteOnMove(forwardMostMove))) {
10312 char title[MSG_SIZ];
10314 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
10315 strcpy(title, _("Edit comment"));
10317 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
10318 WhiteOnMove(currentMove - 1) ? " " : ".. ",
10319 parseList[currentMove - 1]);
10322 EditCommentPopUp(currentMove, title, commentList[currentMove]);
10329 char *tags = PGNTags(&gameInfo);
10330 EditTagsPopUp(tags);
10337 if (appData.noChessProgram || gameMode == AnalyzeMode)
10340 if (gameMode != AnalyzeFile) {
10341 if (!appData.icsEngineAnalyze) {
10343 if (gameMode != EditGame) return;
10345 ResurrectChessProgram();
10346 SendToProgram("analyze\n", &first);
10347 first.analyzing = TRUE;
10348 /*first.maybeThinking = TRUE;*/
10349 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10350 AnalysisPopUp(_("Analysis"),
10351 _("Starting analysis mode...\nIf this message stays up, your chess program does not support analysis."));
10353 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
10358 StartAnalysisClock();
10359 GetTimeMark(&lastNodeCountTime);
10366 if (appData.noChessProgram || gameMode == AnalyzeFile)
10369 if (gameMode != AnalyzeMode) {
10371 if (gameMode != EditGame) return;
10372 ResurrectChessProgram();
10373 SendToProgram("analyze\n", &first);
10374 first.analyzing = TRUE;
10375 /*first.maybeThinking = TRUE;*/
10376 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10377 AnalysisPopUp(_("Analysis"),
10378 _("Starting analysis mode...\nIf this message stays up, your chess program does not support analysis."));
10380 gameMode = AnalyzeFile;
10385 StartAnalysisClock();
10386 GetTimeMark(&lastNodeCountTime);
10391 MachineWhiteEvent()
10394 char *bookHit = NULL;
10396 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
10400 if (gameMode == PlayFromGameFile ||
10401 gameMode == TwoMachinesPlay ||
10402 gameMode == Training ||
10403 gameMode == AnalyzeMode ||
10404 gameMode == EndOfGame)
10407 if (gameMode == EditPosition)
10408 EditPositionDone();
10410 if (!WhiteOnMove(currentMove)) {
10411 DisplayError(_("It is not White's turn"), 0);
10415 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10418 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10419 gameMode == AnalyzeFile)
10422 ResurrectChessProgram(); /* in case it isn't running */
10423 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
10424 gameMode = MachinePlaysWhite;
10427 gameMode = MachinePlaysWhite;
10431 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10433 if (first.sendName) {
10434 sprintf(buf, "name %s\n", gameInfo.black);
10435 SendToProgram(buf, &first);
10437 if (first.sendTime) {
10438 if (first.useColors) {
10439 SendToProgram("black\n", &first); /*gnu kludge*/
10441 SendTimeRemaining(&first, TRUE);
10443 if (first.useColors) {
10444 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
10446 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10447 SetMachineThinkingEnables();
10448 first.maybeThinking = TRUE;
10451 if (appData.autoFlipView && !flipView) {
10452 flipView = !flipView;
10453 DrawPosition(FALSE, NULL);
10454 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10457 if(bookHit) { // [HGM] book: simulate book reply
10458 static char bookMove[MSG_SIZ]; // a bit generous?
10460 programStats.nodes = programStats.depth = programStats.time =
10461 programStats.score = programStats.got_only_move = 0;
10462 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10464 strcpy(bookMove, "move ");
10465 strcat(bookMove, bookHit);
10466 HandleMachineMove(bookMove, &first);
10471 MachineBlackEvent()
10474 char *bookHit = NULL;
10476 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
10480 if (gameMode == PlayFromGameFile ||
10481 gameMode == TwoMachinesPlay ||
10482 gameMode == Training ||
10483 gameMode == AnalyzeMode ||
10484 gameMode == EndOfGame)
10487 if (gameMode == EditPosition)
10488 EditPositionDone();
10490 if (WhiteOnMove(currentMove)) {
10491 DisplayError(_("It is not Black's turn"), 0);
10495 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10498 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10499 gameMode == AnalyzeFile)
10502 ResurrectChessProgram(); /* in case it isn't running */
10503 gameMode = MachinePlaysBlack;
10507 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10509 if (first.sendName) {
10510 sprintf(buf, "name %s\n", gameInfo.white);
10511 SendToProgram(buf, &first);
10513 if (first.sendTime) {
10514 if (first.useColors) {
10515 SendToProgram("white\n", &first); /*gnu kludge*/
10517 SendTimeRemaining(&first, FALSE);
10519 if (first.useColors) {
10520 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
10522 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10523 SetMachineThinkingEnables();
10524 first.maybeThinking = TRUE;
10527 if (appData.autoFlipView && flipView) {
10528 flipView = !flipView;
10529 DrawPosition(FALSE, NULL);
10530 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10532 if(bookHit) { // [HGM] book: simulate book reply
10533 static char bookMove[MSG_SIZ]; // a bit generous?
10535 programStats.nodes = programStats.depth = programStats.time =
10536 programStats.score = programStats.got_only_move = 0;
10537 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10539 strcpy(bookMove, "move ");
10540 strcat(bookMove, bookHit);
10541 HandleMachineMove(bookMove, &first);
10547 DisplayTwoMachinesTitle()
10550 if (appData.matchGames > 0) {
10551 if (first.twoMachinesColor[0] == 'w') {
10552 sprintf(buf, "%s vs. %s (%d-%d-%d)",
10553 gameInfo.white, gameInfo.black,
10554 first.matchWins, second.matchWins,
10555 matchGame - 1 - (first.matchWins + second.matchWins));
10557 sprintf(buf, "%s vs. %s (%d-%d-%d)",
10558 gameInfo.white, gameInfo.black,
10559 second.matchWins, first.matchWins,
10560 matchGame - 1 - (first.matchWins + second.matchWins));
10563 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10569 TwoMachinesEvent P((void))
10573 ChessProgramState *onmove;
10574 char *bookHit = NULL;
10576 if (appData.noChessProgram) return;
10578 switch (gameMode) {
10579 case TwoMachinesPlay:
10581 case MachinePlaysWhite:
10582 case MachinePlaysBlack:
10583 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
10584 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
10588 case BeginningOfGame:
10589 case PlayFromGameFile:
10592 if (gameMode != EditGame) return;
10595 EditPositionDone();
10606 forwardMostMove = currentMove;
10607 ResurrectChessProgram(); /* in case first program isn't running */
10609 if (second.pr == NULL) {
10610 StartChessProgram(&second);
10611 if (second.protocolVersion == 1) {
10612 TwoMachinesEventIfReady();
10614 /* kludge: allow timeout for initial "feature" command */
10616 DisplayMessage("", _("Starting second chess program"));
10617 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
10621 DisplayMessage("", "");
10622 InitChessProgram(&second, FALSE);
10623 SendToProgram("force\n", &second);
10624 if (startedFromSetupPosition) {
10625 SendBoard(&second, backwardMostMove);
10626 if (appData.debugMode) {
10627 fprintf(debugFP, "Two Machines\n");
10630 for (i = backwardMostMove; i < forwardMostMove; i++) {
10631 SendMoveToProgram(i, &second);
10634 gameMode = TwoMachinesPlay;
10638 DisplayTwoMachinesTitle();
10640 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
10646 SendToProgram(first.computerString, &first);
10647 if (first.sendName) {
10648 sprintf(buf, "name %s\n", second.tidy);
10649 SendToProgram(buf, &first);
10651 SendToProgram(second.computerString, &second);
10652 if (second.sendName) {
10653 sprintf(buf, "name %s\n", first.tidy);
10654 SendToProgram(buf, &second);
10658 if (!first.sendTime || !second.sendTime) {
10659 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10660 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10662 if (onmove->sendTime) {
10663 if (onmove->useColors) {
10664 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
10666 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
10668 if (onmove->useColors) {
10669 SendToProgram(onmove->twoMachinesColor, onmove);
10671 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
10672 // SendToProgram("go\n", onmove);
10673 onmove->maybeThinking = TRUE;
10674 SetMachineThinkingEnables();
10678 if(bookHit) { // [HGM] book: simulate book reply
10679 static char bookMove[MSG_SIZ]; // a bit generous?
10681 programStats.nodes = programStats.depth = programStats.time =
10682 programStats.score = programStats.got_only_move = 0;
10683 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10685 strcpy(bookMove, "move ");
10686 strcat(bookMove, bookHit);
10687 HandleMachineMove(bookMove, &first);
10694 if (gameMode == Training) {
10695 SetTrainingModeOff();
10696 gameMode = PlayFromGameFile;
10697 DisplayMessage("", _("Training mode off"));
10699 gameMode = Training;
10700 animateTraining = appData.animate;
10702 /* make sure we are not already at the end of the game */
10703 if (currentMove < forwardMostMove) {
10704 SetTrainingModeOn();
10705 DisplayMessage("", _("Training mode on"));
10707 gameMode = PlayFromGameFile;
10708 DisplayError(_("Already at end of game"), 0);
10717 if (!appData.icsActive) return;
10718 switch (gameMode) {
10719 case IcsPlayingWhite:
10720 case IcsPlayingBlack:
10723 case BeginningOfGame:
10731 EditPositionDone();
10744 gameMode = IcsIdle;
10755 switch (gameMode) {
10757 SetTrainingModeOff();
10759 case MachinePlaysWhite:
10760 case MachinePlaysBlack:
10761 case BeginningOfGame:
10762 SendToProgram("force\n", &first);
10763 SetUserThinkingEnables();
10765 case PlayFromGameFile:
10766 (void) StopLoadGameTimer();
10767 if (gameFileFP != NULL) {
10772 EditPositionDone();
10777 SendToProgram("force\n", &first);
10779 case TwoMachinesPlay:
10780 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
10781 ResurrectChessProgram();
10782 SetUserThinkingEnables();
10785 ResurrectChessProgram();
10787 case IcsPlayingBlack:
10788 case IcsPlayingWhite:
10789 DisplayError(_("Warning: You are still playing a game"), 0);
10792 DisplayError(_("Warning: You are still observing a game"), 0);
10795 DisplayError(_("Warning: You are still examining a game"), 0);
10806 first.offeredDraw = second.offeredDraw = 0;
10808 if (gameMode == PlayFromGameFile) {
10809 whiteTimeRemaining = timeRemaining[0][currentMove];
10810 blackTimeRemaining = timeRemaining[1][currentMove];
10814 if (gameMode == MachinePlaysWhite ||
10815 gameMode == MachinePlaysBlack ||
10816 gameMode == TwoMachinesPlay ||
10817 gameMode == EndOfGame) {
10818 i = forwardMostMove;
10819 while (i > currentMove) {
10820 SendToProgram("undo\n", &first);
10823 whiteTimeRemaining = timeRemaining[0][currentMove];
10824 blackTimeRemaining = timeRemaining[1][currentMove];
10825 DisplayBothClocks();
10826 if (whiteFlag || blackFlag) {
10827 whiteFlag = blackFlag = 0;
10832 gameMode = EditGame;
10839 EditPositionEvent()
10841 if (gameMode == EditPosition) {
10847 if (gameMode != EditGame) return;
10849 gameMode = EditPosition;
10852 if (currentMove > 0)
10853 CopyBoard(boards[0], boards[currentMove]);
10855 blackPlaysFirst = !WhiteOnMove(currentMove);
10857 currentMove = forwardMostMove = backwardMostMove = 0;
10858 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10865 /* [DM] icsEngineAnalyze - possible call from other functions */
10866 if (appData.icsEngineAnalyze) {
10867 appData.icsEngineAnalyze = FALSE;
10869 DisplayMessage("",_("Close ICS engine analyze..."));
10871 if (first.analysisSupport && first.analyzing) {
10872 SendToProgram("exit\n", &first);
10873 first.analyzing = FALSE;
10876 thinkOutput[0] = NULLCHAR;
10882 startedFromSetupPosition = TRUE;
10883 InitChessProgram(&first, FALSE);
10884 SendToProgram("force\n", &first);
10885 if (blackPlaysFirst) {
10886 strcpy(moveList[0], "");
10887 strcpy(parseList[0], "");
10888 currentMove = forwardMostMove = backwardMostMove = 1;
10889 CopyBoard(boards[1], boards[0]);
10890 /* [HGM] copy rights as well, as this code is also used after pasting a FEN */
10892 epStatus[1] = epStatus[0];
10893 for(i=0; i<nrCastlingRights; i++) castlingRights[1][i] = castlingRights[0][i];
10896 currentMove = forwardMostMove = backwardMostMove = 0;
10898 SendBoard(&first, forwardMostMove);
10899 if (appData.debugMode) {
10900 fprintf(debugFP, "EditPosDone\n");
10903 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10904 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10905 gameMode = EditGame;
10907 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10908 ClearHighlights(); /* [AS] */
10911 /* Pause for `ms' milliseconds */
10912 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
10922 } while (SubtractTimeMarks(&m2, &m1) < ms);
10925 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
10927 SendMultiLineToICS(buf)
10930 char temp[MSG_SIZ+1], *p;
10937 strncpy(temp, buf, len);
10942 if (*p == '\n' || *p == '\r')
10947 strcat(temp, "\n");
10949 SendToPlayer(temp, strlen(temp));
10953 SetWhiteToPlayEvent()
10955 if (gameMode == EditPosition) {
10956 blackPlaysFirst = FALSE;
10957 DisplayBothClocks(); /* works because currentMove is 0 */
10958 } else if (gameMode == IcsExamining) {
10959 SendToICS(ics_prefix);
10960 SendToICS("tomove white\n");
10965 SetBlackToPlayEvent()
10967 if (gameMode == EditPosition) {
10968 blackPlaysFirst = TRUE;
10969 currentMove = 1; /* kludge */
10970 DisplayBothClocks();
10972 } else if (gameMode == IcsExamining) {
10973 SendToICS(ics_prefix);
10974 SendToICS("tomove black\n");
10979 EditPositionMenuEvent(selection, x, y)
10980 ChessSquare selection;
10984 ChessSquare piece = boards[0][y][x];
10986 if (gameMode != EditPosition && gameMode != IcsExamining) return;
10988 switch (selection) {
10990 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
10991 SendToICS(ics_prefix);
10992 SendToICS("bsetup clear\n");
10993 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
10994 SendToICS(ics_prefix);
10995 SendToICS("clearboard\n");
10997 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
10998 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
10999 for (y = 0; y < BOARD_HEIGHT; y++) {
11000 if (gameMode == IcsExamining) {
11001 if (boards[currentMove][y][x] != EmptySquare) {
11002 sprintf(buf, "%sx@%c%c\n", ics_prefix,
11007 boards[0][y][x] = p;
11012 if (gameMode == EditPosition) {
11013 DrawPosition(FALSE, boards[0]);
11018 SetWhiteToPlayEvent();
11022 SetBlackToPlayEvent();
11026 if (gameMode == IcsExamining) {
11027 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
11030 boards[0][y][x] = EmptySquare;
11031 DrawPosition(FALSE, boards[0]);
11036 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
11037 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
11038 selection = (ChessSquare) (PROMOTED piece);
11039 } else if(piece == EmptySquare) selection = WhiteSilver;
11040 else selection = (ChessSquare)((int)piece - 1);
11044 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
11045 piece > (int)BlackMan && piece <= (int)BlackKing ) {
11046 selection = (ChessSquare) (DEMOTED piece);
11047 } else if(piece == EmptySquare) selection = BlackSilver;
11048 else selection = (ChessSquare)((int)piece + 1);
11053 if(gameInfo.variant == VariantShatranj ||
11054 gameInfo.variant == VariantXiangqi ||
11055 gameInfo.variant == VariantCourier )
11056 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
11061 if(gameInfo.variant == VariantXiangqi)
11062 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
11063 if(gameInfo.variant == VariantKnightmate)
11064 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
11067 if (gameMode == IcsExamining) {
11068 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
11069 PieceToChar(selection), AAA + x, ONE + y);
11072 boards[0][y][x] = selection;
11073 DrawPosition(FALSE, boards[0]);
11081 DropMenuEvent(selection, x, y)
11082 ChessSquare selection;
11085 ChessMove moveType;
11087 switch (gameMode) {
11088 case IcsPlayingWhite:
11089 case MachinePlaysBlack:
11090 if (!WhiteOnMove(currentMove)) {
11091 DisplayMoveError(_("It is Black's turn"));
11094 moveType = WhiteDrop;
11096 case IcsPlayingBlack:
11097 case MachinePlaysWhite:
11098 if (WhiteOnMove(currentMove)) {
11099 DisplayMoveError(_("It is White's turn"));
11102 moveType = BlackDrop;
11105 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
11111 if (moveType == BlackDrop && selection < BlackPawn) {
11112 selection = (ChessSquare) ((int) selection
11113 + (int) BlackPawn - (int) WhitePawn);
11115 if (boards[currentMove][y][x] != EmptySquare) {
11116 DisplayMoveError(_("That square is occupied"));
11120 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
11126 /* Accept a pending offer of any kind from opponent */
11128 if (appData.icsActive) {
11129 SendToICS(ics_prefix);
11130 SendToICS("accept\n");
11131 } else if (cmailMsgLoaded) {
11132 if (currentMove == cmailOldMove &&
11133 commentList[cmailOldMove] != NULL &&
11134 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11135 "Black offers a draw" : "White offers a draw")) {
11137 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11138 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11140 DisplayError(_("There is no pending offer on this move"), 0);
11141 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11144 /* Not used for offers from chess program */
11151 /* Decline a pending offer of any kind from opponent */
11153 if (appData.icsActive) {
11154 SendToICS(ics_prefix);
11155 SendToICS("decline\n");
11156 } else if (cmailMsgLoaded) {
11157 if (currentMove == cmailOldMove &&
11158 commentList[cmailOldMove] != NULL &&
11159 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11160 "Black offers a draw" : "White offers a draw")) {
11162 AppendComment(cmailOldMove, "Draw declined");
11163 DisplayComment(cmailOldMove - 1, "Draw declined");
11166 DisplayError(_("There is no pending offer on this move"), 0);
11169 /* Not used for offers from chess program */
11176 /* Issue ICS rematch command */
11177 if (appData.icsActive) {
11178 SendToICS(ics_prefix);
11179 SendToICS("rematch\n");
11186 /* Call your opponent's flag (claim a win on time) */
11187 if (appData.icsActive) {
11188 SendToICS(ics_prefix);
11189 SendToICS("flag\n");
11191 switch (gameMode) {
11194 case MachinePlaysWhite:
11197 GameEnds(GameIsDrawn, "Both players ran out of time",
11200 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
11202 DisplayError(_("Your opponent is not out of time"), 0);
11205 case MachinePlaysBlack:
11208 GameEnds(GameIsDrawn, "Both players ran out of time",
11211 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
11213 DisplayError(_("Your opponent is not out of time"), 0);
11223 /* Offer draw or accept pending draw offer from opponent */
11225 if (appData.icsActive) {
11226 /* Note: tournament rules require draw offers to be
11227 made after you make your move but before you punch
11228 your clock. Currently ICS doesn't let you do that;
11229 instead, you immediately punch your clock after making
11230 a move, but you can offer a draw at any time. */
11232 SendToICS(ics_prefix);
11233 SendToICS("draw\n");
11234 } else if (cmailMsgLoaded) {
11235 if (currentMove == cmailOldMove &&
11236 commentList[cmailOldMove] != NULL &&
11237 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11238 "Black offers a draw" : "White offers a draw")) {
11239 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11240 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11241 } else if (currentMove == cmailOldMove + 1) {
11242 char *offer = WhiteOnMove(cmailOldMove) ?
11243 "White offers a draw" : "Black offers a draw";
11244 AppendComment(currentMove, offer);
11245 DisplayComment(currentMove - 1, offer);
11246 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
11248 DisplayError(_("You must make your move before offering a draw"), 0);
11249 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11251 } else if (first.offeredDraw) {
11252 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
11254 if (first.sendDrawOffers) {
11255 SendToProgram("draw\n", &first);
11256 userOfferedDraw = TRUE;
11264 /* Offer Adjourn or accept pending Adjourn offer from opponent */
11266 if (appData.icsActive) {
11267 SendToICS(ics_prefix);
11268 SendToICS("adjourn\n");
11270 /* Currently GNU Chess doesn't offer or accept Adjourns */
11278 /* Offer Abort or accept pending Abort offer from opponent */
11280 if (appData.icsActive) {
11281 SendToICS(ics_prefix);
11282 SendToICS("abort\n");
11284 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
11291 /* Resign. You can do this even if it's not your turn. */
11293 if (appData.icsActive) {
11294 SendToICS(ics_prefix);
11295 SendToICS("resign\n");
11297 switch (gameMode) {
11298 case MachinePlaysWhite:
11299 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11301 case MachinePlaysBlack:
11302 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11305 if (cmailMsgLoaded) {
11307 if (WhiteOnMove(cmailOldMove)) {
11308 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11310 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11312 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
11323 StopObservingEvent()
11325 /* Stop observing current games */
11326 SendToICS(ics_prefix);
11327 SendToICS("unobserve\n");
11331 StopExaminingEvent()
11333 /* Stop observing current game */
11334 SendToICS(ics_prefix);
11335 SendToICS("unexamine\n");
11339 ForwardInner(target)
11344 if (appData.debugMode)
11345 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
11346 target, currentMove, forwardMostMove);
11348 if (gameMode == EditPosition)
11351 if (gameMode == PlayFromGameFile && !pausing)
11354 if (gameMode == IcsExamining && pausing)
11355 limit = pauseExamForwardMostMove;
11357 limit = forwardMostMove;
11359 if (target > limit) target = limit;
11361 if (target > 0 && moveList[target - 1][0]) {
11362 int fromX, fromY, toX, toY;
11363 toX = moveList[target - 1][2] - AAA;
11364 toY = moveList[target - 1][3] - ONE;
11365 if (moveList[target - 1][1] == '@') {
11366 if (appData.highlightLastMove) {
11367 SetHighlights(-1, -1, toX, toY);
11370 fromX = moveList[target - 1][0] - AAA;
11371 fromY = moveList[target - 1][1] - ONE;
11372 if (target == currentMove + 1) {
11373 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11375 if (appData.highlightLastMove) {
11376 SetHighlights(fromX, fromY, toX, toY);
11380 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11381 gameMode == Training || gameMode == PlayFromGameFile ||
11382 gameMode == AnalyzeFile) {
11383 while (currentMove < target) {
11384 SendMoveToProgram(currentMove++, &first);
11387 currentMove = target;
11390 if (gameMode == EditGame || gameMode == EndOfGame) {
11391 whiteTimeRemaining = timeRemaining[0][currentMove];
11392 blackTimeRemaining = timeRemaining[1][currentMove];
11394 DisplayBothClocks();
11395 DisplayMove(currentMove - 1);
11396 DrawPosition(FALSE, boards[currentMove]);
11397 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
11398 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
11399 DisplayComment(currentMove - 1, commentList[currentMove]);
11407 if (gameMode == IcsExamining && !pausing) {
11408 SendToICS(ics_prefix);
11409 SendToICS("forward\n");
11411 ForwardInner(currentMove + 1);
11418 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11419 /* to optimze, we temporarily turn off analysis mode while we feed
11420 * the remaining moves to the engine. Otherwise we get analysis output
11423 if (first.analysisSupport) {
11424 SendToProgram("exit\nforce\n", &first);
11425 first.analyzing = FALSE;
11429 if (gameMode == IcsExamining && !pausing) {
11430 SendToICS(ics_prefix);
11431 SendToICS("forward 999999\n");
11433 ForwardInner(forwardMostMove);
11436 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11437 /* we have fed all the moves, so reactivate analysis mode */
11438 SendToProgram("analyze\n", &first);
11439 first.analyzing = TRUE;
11440 /*first.maybeThinking = TRUE;*/
11441 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11446 BackwardInner(target)
11449 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
11451 if (appData.debugMode)
11452 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
11453 target, currentMove, forwardMostMove);
11455 if (gameMode == EditPosition) return;
11456 if (currentMove <= backwardMostMove) {
11458 DrawPosition(full_redraw, boards[currentMove]);
11461 if (gameMode == PlayFromGameFile && !pausing)
11464 if (moveList[target][0]) {
11465 int fromX, fromY, toX, toY;
11466 toX = moveList[target][2] - AAA;
11467 toY = moveList[target][3] - ONE;
11468 if (moveList[target][1] == '@') {
11469 if (appData.highlightLastMove) {
11470 SetHighlights(-1, -1, toX, toY);
11473 fromX = moveList[target][0] - AAA;
11474 fromY = moveList[target][1] - ONE;
11475 if (target == currentMove - 1) {
11476 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
11478 if (appData.highlightLastMove) {
11479 SetHighlights(fromX, fromY, toX, toY);
11483 if (gameMode == EditGame || gameMode==AnalyzeMode ||
11484 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
11485 while (currentMove > target) {
11486 SendToProgram("undo\n", &first);
11490 currentMove = target;
11493 if (gameMode == EditGame || gameMode == EndOfGame) {
11494 whiteTimeRemaining = timeRemaining[0][currentMove];
11495 blackTimeRemaining = timeRemaining[1][currentMove];
11497 DisplayBothClocks();
11498 DisplayMove(currentMove - 1);
11499 DrawPosition(full_redraw, boards[currentMove]);
11500 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
11501 // [HGM] PV info: routine tests if comment empty
11502 DisplayComment(currentMove - 1, commentList[currentMove]);
11508 if (gameMode == IcsExamining && !pausing) {
11509 SendToICS(ics_prefix);
11510 SendToICS("backward\n");
11512 BackwardInner(currentMove - 1);
11519 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11520 /* to optimze, we temporarily turn off analysis mode while we undo
11521 * all the moves. Otherwise we get analysis output after each undo.
11523 if (first.analysisSupport) {
11524 SendToProgram("exit\nforce\n", &first);
11525 first.analyzing = FALSE;
11529 if (gameMode == IcsExamining && !pausing) {
11530 SendToICS(ics_prefix);
11531 SendToICS("backward 999999\n");
11533 BackwardInner(backwardMostMove);
11536 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11537 /* we have fed all the moves, so reactivate analysis mode */
11538 SendToProgram("analyze\n", &first);
11539 first.analyzing = TRUE;
11540 /*first.maybeThinking = TRUE;*/
11541 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11548 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
11549 if (to >= forwardMostMove) to = forwardMostMove;
11550 if (to <= backwardMostMove) to = backwardMostMove;
11551 if (to < currentMove) {
11561 if (gameMode != IcsExamining) {
11562 DisplayError(_("You are not examining a game"), 0);
11566 DisplayError(_("You can't revert while pausing"), 0);
11569 SendToICS(ics_prefix);
11570 SendToICS("revert\n");
11576 switch (gameMode) {
11577 case MachinePlaysWhite:
11578 case MachinePlaysBlack:
11579 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11580 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11583 if (forwardMostMove < 2) return;
11584 currentMove = forwardMostMove = forwardMostMove - 2;
11585 whiteTimeRemaining = timeRemaining[0][currentMove];
11586 blackTimeRemaining = timeRemaining[1][currentMove];
11587 DisplayBothClocks();
11588 DisplayMove(currentMove - 1);
11589 ClearHighlights();/*!! could figure this out*/
11590 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
11591 SendToProgram("remove\n", &first);
11592 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
11595 case BeginningOfGame:
11599 case IcsPlayingWhite:
11600 case IcsPlayingBlack:
11601 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
11602 SendToICS(ics_prefix);
11603 SendToICS("takeback 2\n");
11605 SendToICS(ics_prefix);
11606 SendToICS("takeback 1\n");
11615 ChessProgramState *cps;
11617 switch (gameMode) {
11618 case MachinePlaysWhite:
11619 if (!WhiteOnMove(forwardMostMove)) {
11620 DisplayError(_("It is your turn"), 0);
11625 case MachinePlaysBlack:
11626 if (WhiteOnMove(forwardMostMove)) {
11627 DisplayError(_("It is your turn"), 0);
11632 case TwoMachinesPlay:
11633 if (WhiteOnMove(forwardMostMove) ==
11634 (first.twoMachinesColor[0] == 'w')) {
11640 case BeginningOfGame:
11644 SendToProgram("?\n", cps);
11648 TruncateGameEvent()
11651 if (gameMode != EditGame) return;
11658 if (forwardMostMove > currentMove) {
11659 if (gameInfo.resultDetails != NULL) {
11660 free(gameInfo.resultDetails);
11661 gameInfo.resultDetails = NULL;
11662 gameInfo.result = GameUnfinished;
11664 forwardMostMove = currentMove;
11665 HistorySet(parseList, backwardMostMove, forwardMostMove,
11673 if (appData.noChessProgram) return;
11674 switch (gameMode) {
11675 case MachinePlaysWhite:
11676 if (WhiteOnMove(forwardMostMove)) {
11677 DisplayError(_("Wait until your turn"), 0);
11681 case BeginningOfGame:
11682 case MachinePlaysBlack:
11683 if (!WhiteOnMove(forwardMostMove)) {
11684 DisplayError(_("Wait until your turn"), 0);
11689 DisplayError(_("No hint available"), 0);
11692 SendToProgram("hint\n", &first);
11693 hintRequested = TRUE;
11699 if (appData.noChessProgram) return;
11700 switch (gameMode) {
11701 case MachinePlaysWhite:
11702 if (WhiteOnMove(forwardMostMove)) {
11703 DisplayError(_("Wait until your turn"), 0);
11707 case BeginningOfGame:
11708 case MachinePlaysBlack:
11709 if (!WhiteOnMove(forwardMostMove)) {
11710 DisplayError(_("Wait until your turn"), 0);
11715 EditPositionDone();
11717 case TwoMachinesPlay:
11722 SendToProgram("bk\n", &first);
11723 bookOutput[0] = NULLCHAR;
11724 bookRequested = TRUE;
11730 char *tags = PGNTags(&gameInfo);
11731 TagsPopUp(tags, CmailMsg());
11735 /* end button procedures */
11738 PrintPosition(fp, move)
11744 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
11745 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
11746 char c = PieceToChar(boards[move][i][j]);
11747 fputc(c == 'x' ? '.' : c, fp);
11748 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
11751 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
11752 fprintf(fp, "white to play\n");
11754 fprintf(fp, "black to play\n");
11761 if (gameInfo.white != NULL) {
11762 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
11768 /* Find last component of program's own name, using some heuristics */
11770 TidyProgramName(prog, host, buf)
11771 char *prog, *host, buf[MSG_SIZ];
11774 int local = (strcmp(host, "localhost") == 0);
11775 while (!local && (p = strchr(prog, ';')) != NULL) {
11777 while (*p == ' ') p++;
11780 if (*prog == '"' || *prog == '\'') {
11781 q = strchr(prog + 1, *prog);
11783 q = strchr(prog, ' ');
11785 if (q == NULL) q = prog + strlen(prog);
11787 while (p >= prog && *p != '/' && *p != '\\') p--;
11789 if(p == prog && *p == '"') p++;
11790 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
11791 memcpy(buf, p, q - p);
11792 buf[q - p] = NULLCHAR;
11800 TimeControlTagValue()
11803 if (!appData.clockMode) {
11805 } else if (movesPerSession > 0) {
11806 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
11807 } else if (timeIncrement == 0) {
11808 sprintf(buf, "%ld", timeControl/1000);
11810 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
11812 return StrSave(buf);
11818 /* This routine is used only for certain modes */
11819 VariantClass v = gameInfo.variant;
11820 ClearGameInfo(&gameInfo);
11821 gameInfo.variant = v;
11823 switch (gameMode) {
11824 case MachinePlaysWhite:
11825 gameInfo.event = StrSave( appData.pgnEventHeader );
11826 gameInfo.site = StrSave(HostName());
11827 gameInfo.date = PGNDate();
11828 gameInfo.round = StrSave("-");
11829 gameInfo.white = StrSave(first.tidy);
11830 gameInfo.black = StrSave(UserName());
11831 gameInfo.timeControl = TimeControlTagValue();
11834 case MachinePlaysBlack:
11835 gameInfo.event = StrSave( appData.pgnEventHeader );
11836 gameInfo.site = StrSave(HostName());
11837 gameInfo.date = PGNDate();
11838 gameInfo.round = StrSave("-");
11839 gameInfo.white = StrSave(UserName());
11840 gameInfo.black = StrSave(first.tidy);
11841 gameInfo.timeControl = TimeControlTagValue();
11844 case TwoMachinesPlay:
11845 gameInfo.event = StrSave( appData.pgnEventHeader );
11846 gameInfo.site = StrSave(HostName());
11847 gameInfo.date = PGNDate();
11848 if (matchGame > 0) {
11850 sprintf(buf, "%d", matchGame);
11851 gameInfo.round = StrSave(buf);
11853 gameInfo.round = StrSave("-");
11855 if (first.twoMachinesColor[0] == 'w') {
11856 gameInfo.white = StrSave(first.tidy);
11857 gameInfo.black = StrSave(second.tidy);
11859 gameInfo.white = StrSave(second.tidy);
11860 gameInfo.black = StrSave(first.tidy);
11862 gameInfo.timeControl = TimeControlTagValue();
11866 gameInfo.event = StrSave("Edited game");
11867 gameInfo.site = StrSave(HostName());
11868 gameInfo.date = PGNDate();
11869 gameInfo.round = StrSave("-");
11870 gameInfo.white = StrSave("-");
11871 gameInfo.black = StrSave("-");
11875 gameInfo.event = StrSave("Edited position");
11876 gameInfo.site = StrSave(HostName());
11877 gameInfo.date = PGNDate();
11878 gameInfo.round = StrSave("-");
11879 gameInfo.white = StrSave("-");
11880 gameInfo.black = StrSave("-");
11883 case IcsPlayingWhite:
11884 case IcsPlayingBlack:
11889 case PlayFromGameFile:
11890 gameInfo.event = StrSave("Game from non-PGN file");
11891 gameInfo.site = StrSave(HostName());
11892 gameInfo.date = PGNDate();
11893 gameInfo.round = StrSave("-");
11894 gameInfo.white = StrSave("?");
11895 gameInfo.black = StrSave("?");
11904 ReplaceComment(index, text)
11910 while (*text == '\n') text++;
11911 len = strlen(text);
11912 while (len > 0 && text[len - 1] == '\n') len--;
11914 if (commentList[index] != NULL)
11915 free(commentList[index]);
11918 commentList[index] = NULL;
11921 commentList[index] = (char *) malloc(len + 2);
11922 strncpy(commentList[index], text, len);
11923 commentList[index][len] = '\n';
11924 commentList[index][len + 1] = NULLCHAR;
11937 if (ch == '\r') continue;
11939 } while (ch != '\0');
11943 AppendComment(index, text)
11950 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
11953 while (*text == '\n') text++;
11954 len = strlen(text);
11955 while (len > 0 && text[len - 1] == '\n') len--;
11957 if (len == 0) return;
11959 if (commentList[index] != NULL) {
11960 old = commentList[index];
11961 oldlen = strlen(old);
11962 commentList[index] = (char *) malloc(oldlen + len + 2);
11963 strcpy(commentList[index], old);
11965 strncpy(&commentList[index][oldlen], text, len);
11966 commentList[index][oldlen + len] = '\n';
11967 commentList[index][oldlen + len + 1] = NULLCHAR;
11969 commentList[index] = (char *) malloc(len + 2);
11970 strncpy(commentList[index], text, len);
11971 commentList[index][len] = '\n';
11972 commentList[index][len + 1] = NULLCHAR;
11976 static char * FindStr( char * text, char * sub_text )
11978 char * result = strstr( text, sub_text );
11980 if( result != NULL ) {
11981 result += strlen( sub_text );
11987 /* [AS] Try to extract PV info from PGN comment */
11988 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
11989 char *GetInfoFromComment( int index, char * text )
11993 if( text != NULL && index > 0 ) {
11996 int time = -1, sec = 0, deci;
11997 char * s_eval = FindStr( text, "[%eval " );
11998 char * s_emt = FindStr( text, "[%emt " );
12000 if( s_eval != NULL || s_emt != NULL ) {
12004 if( s_eval != NULL ) {
12005 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
12009 if( delim != ']' ) {
12014 if( s_emt != NULL ) {
12018 /* We expect something like: [+|-]nnn.nn/dd */
12021 sep = strchr( text, '/' );
12022 if( sep == NULL || sep < (text+4) ) {
12026 time = -1; sec = -1; deci = -1;
12027 if( sscanf( text, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
12028 sscanf( text, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
12029 sscanf( text, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
12030 sscanf( text, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
12034 if( score_lo < 0 || score_lo >= 100 ) {
12038 if(sec >= 0) time = 600*time + 10*sec; else
12039 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
12041 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
12043 /* [HGM] PV time: now locate end of PV info */
12044 while( *++sep >= '0' && *sep <= '9'); // strip depth
12046 while( *++sep >= '0' && *sep <= '9'); // strip time
12048 while( *++sep >= '0' && *sep <= '9'); // strip seconds
12050 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
12051 while(*sep == ' ') sep++;
12062 pvInfoList[index-1].depth = depth;
12063 pvInfoList[index-1].score = score;
12064 pvInfoList[index-1].time = 10*time; // centi-sec
12070 SendToProgram(message, cps)
12072 ChessProgramState *cps;
12074 int count, outCount, error;
12077 if (cps->pr == NULL) return;
12080 if (appData.debugMode) {
12083 fprintf(debugFP, "%ld >%-6s: %s",
12084 SubtractTimeMarks(&now, &programStartTime),
12085 cps->which, message);
12088 count = strlen(message);
12089 outCount = OutputToProcess(cps->pr, message, count, &error);
12090 if (outCount < count && !exiting
12091 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
12092 sprintf(buf, _("Error writing to %s chess program"), cps->which);
12093 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12094 if(epStatus[forwardMostMove] <= EP_DRAWS) {
12095 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12096 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
12098 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12100 gameInfo.resultDetails = buf;
12102 DisplayFatalError(buf, error, 1);
12107 ReceiveFromProgram(isr, closure, message, count, error)
12108 InputSourceRef isr;
12116 ChessProgramState *cps = (ChessProgramState *)closure;
12118 if (isr != cps->isr) return; /* Killed intentionally */
12122 _("Error: %s chess program (%s) exited unexpectedly"),
12123 cps->which, cps->program);
12124 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12125 if(epStatus[forwardMostMove] <= EP_DRAWS) {
12126 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12127 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
12129 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12131 gameInfo.resultDetails = buf;
12133 RemoveInputSource(cps->isr);
12134 DisplayFatalError(buf, 0, 1);
12137 _("Error reading from %s chess program (%s)"),
12138 cps->which, cps->program);
12139 RemoveInputSource(cps->isr);
12141 /* [AS] Program is misbehaving badly... kill it */
12142 if( count == -2 ) {
12143 DestroyChildProcess( cps->pr, 9 );
12147 DisplayFatalError(buf, error, 1);
12152 if ((end_str = strchr(message, '\r')) != NULL)
12153 *end_str = NULLCHAR;
12154 if ((end_str = strchr(message, '\n')) != NULL)
12155 *end_str = NULLCHAR;
12157 if (appData.debugMode) {
12158 TimeMark now; int print = 1;
12159 char *quote = ""; char c; int i;
12161 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
12162 char start = message[0];
12163 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
12164 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
12165 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
12166 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
12167 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
12168 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
12169 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 && start != '#')
12170 { quote = "# "; print = (appData.engineComments == 2); }
12171 message[0] = start; // restore original message
12175 fprintf(debugFP, "%ld <%-6s: %s%s\n",
12176 SubtractTimeMarks(&now, &programStartTime), cps->which,
12182 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
12183 if (appData.icsEngineAnalyze) {
12184 if (strstr(message, "whisper") != NULL ||
12185 strstr(message, "kibitz") != NULL ||
12186 strstr(message, "tellics") != NULL) return;
12189 HandleMachineMove(message, cps);
12194 SendTimeControl(cps, mps, tc, inc, sd, st)
12195 ChessProgramState *cps;
12196 int mps, inc, sd, st;
12202 if( timeControl_2 > 0 ) {
12203 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
12204 tc = timeControl_2;
12207 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
12208 inc /= cps->timeOdds;
12209 st /= cps->timeOdds;
12211 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
12214 /* Set exact time per move, normally using st command */
12215 if (cps->stKludge) {
12216 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
12218 if (seconds == 0) {
12219 sprintf(buf, "level 1 %d\n", st/60);
12221 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
12224 sprintf(buf, "st %d\n", st);
12227 /* Set conventional or incremental time control, using level command */
12228 if (seconds == 0) {
12229 /* Note old gnuchess bug -- minutes:seconds used to not work.
12230 Fixed in later versions, but still avoid :seconds
12231 when seconds is 0. */
12232 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
12234 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
12235 seconds, inc/1000);
12238 SendToProgram(buf, cps);
12240 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
12241 /* Orthogonally, limit search to given depth */
12243 if (cps->sdKludge) {
12244 sprintf(buf, "depth\n%d\n", sd);
12246 sprintf(buf, "sd %d\n", sd);
12248 SendToProgram(buf, cps);
12251 if(cps->nps > 0) { /* [HGM] nps */
12252 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
12254 sprintf(buf, "nps %d\n", cps->nps);
12255 SendToProgram(buf, cps);
12260 ChessProgramState *WhitePlayer()
12261 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
12263 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
12264 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
12270 SendTimeRemaining(cps, machineWhite)
12271 ChessProgramState *cps;
12272 int /*boolean*/ machineWhite;
12274 char message[MSG_SIZ];
12277 /* Note: this routine must be called when the clocks are stopped
12278 or when they have *just* been set or switched; otherwise
12279 it will be off by the time since the current tick started.
12281 if (machineWhite) {
12282 time = whiteTimeRemaining / 10;
12283 otime = blackTimeRemaining / 10;
12285 time = blackTimeRemaining / 10;
12286 otime = whiteTimeRemaining / 10;
12288 /* [HGM] translate opponent's time by time-odds factor */
12289 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
12290 if (appData.debugMode) {
12291 fprintf(debugFP, "time odds: %d %d \n", cps->timeOdds, cps->other->timeOdds);
12294 if (time <= 0) time = 1;
12295 if (otime <= 0) otime = 1;
12297 sprintf(message, "time %ld\n", time);
12298 SendToProgram(message, cps);
12300 sprintf(message, "otim %ld\n", otime);
12301 SendToProgram(message, cps);
12305 BoolFeature(p, name, loc, cps)
12309 ChessProgramState *cps;
12312 int len = strlen(name);
12314 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12316 sscanf(*p, "%d", &val);
12318 while (**p && **p != ' ') (*p)++;
12319 sprintf(buf, "accepted %s\n", name);
12320 SendToProgram(buf, cps);
12327 IntFeature(p, name, loc, cps)
12331 ChessProgramState *cps;
12334 int len = strlen(name);
12335 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12337 sscanf(*p, "%d", loc);
12338 while (**p && **p != ' ') (*p)++;
12339 sprintf(buf, "accepted %s\n", name);
12340 SendToProgram(buf, cps);
12347 StringFeature(p, name, loc, cps)
12351 ChessProgramState *cps;
12354 int len = strlen(name);
12355 if (strncmp((*p), name, len) == 0
12356 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
12358 sscanf(*p, "%[^\"]", loc);
12359 while (**p && **p != '\"') (*p)++;
12360 if (**p == '\"') (*p)++;
12361 sprintf(buf, "accepted %s\n", name);
12362 SendToProgram(buf, cps);
12369 ParseOption(Option *opt, ChessProgramState *cps)
12370 // [HGM] options: process the string that defines an engine option, and determine
12371 // name, type, default value, and allowed value range
12373 char *p, *q, buf[MSG_SIZ];
12374 int n, min = (-1)<<31, max = 1<<31, def;
12376 if(p = strstr(opt->name, " -spin ")) {
12377 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
12378 if(max < min) max = min; // enforce consistency
12379 if(def < min) def = min;
12380 if(def > max) def = max;
12385 } else if(p = strstr(opt->name, " -string ")) {
12386 opt->textValue = p+9;
12387 opt->type = TextBox;
12388 } else if(p = strstr(opt->name, " -check ")) {
12389 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
12390 opt->value = (def != 0);
12391 opt->type = CheckBox;
12392 } else if(p = strstr(opt->name, " -combo ")) {
12393 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
12394 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
12395 opt->value = n = 0;
12396 while(q = StrStr(q, " /// ")) {
12397 n++; *q = 0; // count choices, and null-terminate each of them
12399 if(*q == '*') { // remember default, which is marked with * prefix
12403 cps->comboList[cps->comboCnt++] = q;
12405 cps->comboList[cps->comboCnt++] = NULL;
12407 opt->type = ComboBox;
12408 } else if(p = strstr(opt->name, " -button")) {
12409 opt->type = Button;
12410 } else if(p = strstr(opt->name, " -save")) {
12411 opt->type = SaveButton;
12412 } else return FALSE;
12413 *p = 0; // terminate option name
12414 // now look if the command-line options define a setting for this engine option.
12415 if(cps->optionSettings && cps->optionSettings[0])
12416 p = strstr(cps->optionSettings, opt->name); else p = NULL;
12417 if(p && (p == cps->optionSettings || p[-1] == ',')) {
12418 sprintf(buf, "option %s", p);
12419 if(p = strstr(buf, ",")) *p = 0;
12421 SendToProgram(buf, cps);
12427 FeatureDone(cps, val)
12428 ChessProgramState* cps;
12431 DelayedEventCallback cb = GetDelayedEvent();
12432 if ((cb == InitBackEnd3 && cps == &first) ||
12433 (cb == TwoMachinesEventIfReady && cps == &second)) {
12434 CancelDelayedEvent();
12435 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
12437 cps->initDone = val;
12440 /* Parse feature command from engine */
12442 ParseFeatures(args, cps)
12444 ChessProgramState *cps;
12452 while (*p == ' ') p++;
12453 if (*p == NULLCHAR) return;
12455 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
12456 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
12457 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
12458 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
12459 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
12460 if (BoolFeature(&p, "reuse", &val, cps)) {
12461 /* Engine can disable reuse, but can't enable it if user said no */
12462 if (!val) cps->reuse = FALSE;
12465 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
12466 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
12467 if (gameMode == TwoMachinesPlay) {
12468 DisplayTwoMachinesTitle();
12474 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
12475 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
12476 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
12477 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
12478 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
12479 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
12480 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
12481 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
12482 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
12483 if (IntFeature(&p, "done", &val, cps)) {
12484 FeatureDone(cps, val);
12487 /* Added by Tord: */
12488 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
12489 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
12490 /* End of additions by Tord */
12492 /* [HGM] added features: */
12493 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
12494 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
12495 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
12496 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
12497 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
12498 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
12499 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
12500 ParseOption(&(cps->option[cps->nrOptions++]), cps); // [HGM] options: add option feature
12501 if(cps->nrOptions >= MAX_OPTIONS) {
12503 sprintf(buf, "%s engine has too many options\n", cps->which);
12504 DisplayError(buf, 0);
12508 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
12509 /* End of additions by HGM */
12511 /* unknown feature: complain and skip */
12513 while (*q && *q != '=') q++;
12514 sprintf(buf, "rejected %.*s\n", q-p, p);
12515 SendToProgram(buf, cps);
12521 while (*p && *p != '\"') p++;
12522 if (*p == '\"') p++;
12524 while (*p && *p != ' ') p++;
12532 PeriodicUpdatesEvent(newState)
12535 if (newState == appData.periodicUpdates)
12538 appData.periodicUpdates=newState;
12540 /* Display type changes, so update it now */
12543 /* Get the ball rolling again... */
12545 AnalysisPeriodicEvent(1);
12546 StartAnalysisClock();
12551 PonderNextMoveEvent(newState)
12554 if (newState == appData.ponderNextMove) return;
12555 if (gameMode == EditPosition) EditPositionDone();
12557 SendToProgram("hard\n", &first);
12558 if (gameMode == TwoMachinesPlay) {
12559 SendToProgram("hard\n", &second);
12562 SendToProgram("easy\n", &first);
12563 thinkOutput[0] = NULLCHAR;
12564 if (gameMode == TwoMachinesPlay) {
12565 SendToProgram("easy\n", &second);
12568 appData.ponderNextMove = newState;
12572 NewSettingEvent(option, command, value)
12578 if (gameMode == EditPosition) EditPositionDone();
12579 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
12580 SendToProgram(buf, &first);
12581 if (gameMode == TwoMachinesPlay) {
12582 SendToProgram(buf, &second);
12587 ShowThinkingEvent()
12588 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
12590 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
12591 int newState = appData.showThinking
12592 // [HGM] thinking: other features now need thinking output as well
12593 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
12595 if (oldState == newState) return;
12596 oldState = newState;
12597 if (gameMode == EditPosition) EditPositionDone();
12599 SendToProgram("post\n", &first);
12600 if (gameMode == TwoMachinesPlay) {
12601 SendToProgram("post\n", &second);
12604 SendToProgram("nopost\n", &first);
12605 thinkOutput[0] = NULLCHAR;
12606 if (gameMode == TwoMachinesPlay) {
12607 SendToProgram("nopost\n", &second);
12610 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
12614 AskQuestionEvent(title, question, replyPrefix, which)
12615 char *title; char *question; char *replyPrefix; char *which;
12617 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
12618 if (pr == NoProc) return;
12619 AskQuestion(title, question, replyPrefix, pr);
12623 DisplayMove(moveNumber)
12626 char message[MSG_SIZ];
12628 char cpThinkOutput[MSG_SIZ];
12630 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
12632 if (moveNumber == forwardMostMove - 1 ||
12633 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12635 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
12637 if (strchr(cpThinkOutput, '\n')) {
12638 *strchr(cpThinkOutput, '\n') = NULLCHAR;
12641 *cpThinkOutput = NULLCHAR;
12644 /* [AS] Hide thinking from human user */
12645 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
12646 *cpThinkOutput = NULLCHAR;
12647 if( thinkOutput[0] != NULLCHAR ) {
12650 for( i=0; i<=hiddenThinkOutputState; i++ ) {
12651 cpThinkOutput[i] = '.';
12653 cpThinkOutput[i] = NULLCHAR;
12654 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
12658 if (moveNumber == forwardMostMove - 1 &&
12659 gameInfo.resultDetails != NULL) {
12660 if (gameInfo.resultDetails[0] == NULLCHAR) {
12661 sprintf(res, " %s", PGNResult(gameInfo.result));
12663 sprintf(res, " {%s} %s",
12664 gameInfo.resultDetails, PGNResult(gameInfo.result));
12670 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
12671 DisplayMessage(res, cpThinkOutput);
12673 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
12674 WhiteOnMove(moveNumber) ? " " : ".. ",
12675 parseList[moveNumber], res);
12676 DisplayMessage(message, cpThinkOutput);
12681 DisplayAnalysisText(text)
12686 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile
12687 || appData.icsEngineAnalyze) {
12688 sprintf(buf, "Analysis (%s)", first.tidy);
12689 AnalysisPopUp(buf, text);
12697 while (*str && isspace(*str)) ++str;
12698 while (*str && !isspace(*str)) ++str;
12699 if (!*str) return 1;
12700 while (*str && isspace(*str)) ++str;
12701 if (!*str) return 1;
12709 char lst[MSG_SIZ / 2];
12711 static char *xtra[] = { "", " (--)", " (++)" };
12714 if (programStats.time == 0) {
12715 programStats.time = 1;
12718 if (programStats.got_only_move) {
12719 safeStrCpy(buf, programStats.movelist, sizeof(buf));
12721 safeStrCpy( lst, programStats.movelist, sizeof(lst));
12723 nps = (u64ToDouble(programStats.nodes) /
12724 ((double)programStats.time /100.0));
12726 cs = programStats.time % 100;
12727 s = programStats.time / 100;
12733 if (programStats.moves_left > 0 && appData.periodicUpdates) {
12734 if (programStats.move_name[0] != NULLCHAR) {
12735 sprintf(buf, "depth=%d %d/%d(%s) %+.2f %s%s\nNodes: " u64Display " NPS: %d\nTime: %02d:%02d:%02d.%02d",
12736 programStats.depth,
12737 programStats.nr_moves-programStats.moves_left,
12738 programStats.nr_moves, programStats.move_name,
12739 ((float)programStats.score)/100.0, lst,
12740 only_one_move(lst)?
12741 xtra[programStats.got_fail] : "",
12742 (u64)programStats.nodes, (int)nps, h, m, s, cs);
12744 sprintf(buf, "depth=%d %d/%d %+.2f %s%s\nNodes: " u64Display " NPS: %d\nTime: %02d:%02d:%02d.%02d",
12745 programStats.depth,
12746 programStats.nr_moves-programStats.moves_left,
12747 programStats.nr_moves, ((float)programStats.score)/100.0,
12749 only_one_move(lst)?
12750 xtra[programStats.got_fail] : "",
12751 (u64)programStats.nodes, (int)nps, h, m, s, cs);
12754 sprintf(buf, "depth=%d %+.2f %s%s\nNodes: " u64Display " NPS: %d\nTime: %02d:%02d:%02d.%02d",
12755 programStats.depth,
12756 ((float)programStats.score)/100.0,
12758 only_one_move(lst)?
12759 xtra[programStats.got_fail] : "",
12760 (u64)programStats.nodes, (int)nps, h, m, s, cs);
12763 DisplayAnalysisText(buf);
12767 DisplayComment(moveNumber, text)
12771 char title[MSG_SIZ];
12772 char buf[8000]; // comment can be long!
12775 if( appData.autoDisplayComment ) {
12776 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
12777 strcpy(title, "Comment");
12779 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
12780 WhiteOnMove(moveNumber) ? " " : ".. ",
12781 parseList[moveNumber]);
12783 // [HGM] PV info: display PV info together with (or as) comment
12784 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
12785 if(text == NULL) text = "";
12786 score = pvInfoList[moveNumber].score;
12787 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
12788 depth, (pvInfoList[moveNumber].time+50)/100, text);
12791 } else title[0] = 0;
12794 CommentPopUp(title, text);
12797 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
12798 * might be busy thinking or pondering. It can be omitted if your
12799 * gnuchess is configured to stop thinking immediately on any user
12800 * input. However, that gnuchess feature depends on the FIONREAD
12801 * ioctl, which does not work properly on some flavors of Unix.
12805 ChessProgramState *cps;
12808 if (!cps->useSigint) return;
12809 if (appData.noChessProgram || (cps->pr == NoProc)) return;
12810 switch (gameMode) {
12811 case MachinePlaysWhite:
12812 case MachinePlaysBlack:
12813 case TwoMachinesPlay:
12814 case IcsPlayingWhite:
12815 case IcsPlayingBlack:
12818 /* Skip if we know it isn't thinking */
12819 if (!cps->maybeThinking) return;
12820 if (appData.debugMode)
12821 fprintf(debugFP, "Interrupting %s\n", cps->which);
12822 InterruptChildProcess(cps->pr);
12823 cps->maybeThinking = FALSE;
12828 #endif /*ATTENTION*/
12834 if (whiteTimeRemaining <= 0) {
12837 if (appData.icsActive) {
12838 if (appData.autoCallFlag &&
12839 gameMode == IcsPlayingBlack && !blackFlag) {
12840 SendToICS(ics_prefix);
12841 SendToICS("flag\n");
12845 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
12847 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
12848 if (appData.autoCallFlag) {
12849 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
12856 if (blackTimeRemaining <= 0) {
12859 if (appData.icsActive) {
12860 if (appData.autoCallFlag &&
12861 gameMode == IcsPlayingWhite && !whiteFlag) {
12862 SendToICS(ics_prefix);
12863 SendToICS("flag\n");
12867 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
12869 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
12870 if (appData.autoCallFlag) {
12871 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
12884 if (!appData.clockMode || appData.icsActive ||
12885 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
12888 * add time to clocks when time control is achieved ([HGM] now also used for increment)
12890 if ( !WhiteOnMove(forwardMostMove) )
12891 /* White made time control */
12892 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
12893 /* [HGM] time odds: correct new time quota for time odds! */
12894 / WhitePlayer()->timeOdds;
12896 /* Black made time control */
12897 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
12898 / WhitePlayer()->other->timeOdds;
12902 DisplayBothClocks()
12904 int wom = gameMode == EditPosition ?
12905 !blackPlaysFirst : WhiteOnMove(currentMove);
12906 DisplayWhiteClock(whiteTimeRemaining, wom);
12907 DisplayBlackClock(blackTimeRemaining, !wom);
12911 /* Timekeeping seems to be a portability nightmare. I think everyone
12912 has ftime(), but I'm really not sure, so I'm including some ifdefs
12913 to use other calls if you don't. Clocks will be less accurate if
12914 you have neither ftime nor gettimeofday.
12917 /* VS 2008 requires the #include outside of the function */
12918 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
12919 #include <sys/timeb.h>
12922 /* Get the current time as a TimeMark */
12927 #if HAVE_GETTIMEOFDAY
12929 struct timeval timeVal;
12930 struct timezone timeZone;
12932 gettimeofday(&timeVal, &timeZone);
12933 tm->sec = (long) timeVal.tv_sec;
12934 tm->ms = (int) (timeVal.tv_usec / 1000L);
12936 #else /*!HAVE_GETTIMEOFDAY*/
12939 // include <sys/timeb.h> / moved to just above start of function
12940 struct timeb timeB;
12943 tm->sec = (long) timeB.time;
12944 tm->ms = (int) timeB.millitm;
12946 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
12947 tm->sec = (long) time(NULL);
12953 /* Return the difference in milliseconds between two
12954 time marks. We assume the difference will fit in a long!
12957 SubtractTimeMarks(tm2, tm1)
12958 TimeMark *tm2, *tm1;
12960 return 1000L*(tm2->sec - tm1->sec) +
12961 (long) (tm2->ms - tm1->ms);
12966 * Code to manage the game clocks.
12968 * In tournament play, black starts the clock and then white makes a move.
12969 * We give the human user a slight advantage if he is playing white---the
12970 * clocks don't run until he makes his first move, so it takes zero time.
12971 * Also, we don't account for network lag, so we could get out of sync
12972 * with GNU Chess's clock -- but then, referees are always right.
12975 static TimeMark tickStartTM;
12976 static long intendedTickLength;
12979 NextTickLength(timeRemaining)
12980 long timeRemaining;
12982 long nominalTickLength, nextTickLength;
12984 if (timeRemaining > 0L && timeRemaining <= 10000L)
12985 nominalTickLength = 100L;
12987 nominalTickLength = 1000L;
12988 nextTickLength = timeRemaining % nominalTickLength;
12989 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
12991 return nextTickLength;
12994 /* Adjust clock one minute up or down */
12996 AdjustClock(Boolean which, int dir)
12998 if(which) blackTimeRemaining += 60000*dir;
12999 else whiteTimeRemaining += 60000*dir;
13000 DisplayBothClocks();
13003 /* Stop clocks and reset to a fresh time control */
13007 (void) StopClockTimer();
13008 if (appData.icsActive) {
13009 whiteTimeRemaining = blackTimeRemaining = 0;
13010 } else { /* [HGM] correct new time quote for time odds */
13011 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
13012 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
13014 if (whiteFlag || blackFlag) {
13016 whiteFlag = blackFlag = FALSE;
13018 DisplayBothClocks();
13021 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
13023 /* Decrement running clock by amount of time that has passed */
13027 long timeRemaining;
13028 long lastTickLength, fudge;
13031 if (!appData.clockMode) return;
13032 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
13036 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13038 /* Fudge if we woke up a little too soon */
13039 fudge = intendedTickLength - lastTickLength;
13040 if (fudge < 0 || fudge > FUDGE) fudge = 0;
13042 if (WhiteOnMove(forwardMostMove)) {
13043 if(whiteNPS >= 0) lastTickLength = 0;
13044 timeRemaining = whiteTimeRemaining -= lastTickLength;
13045 DisplayWhiteClock(whiteTimeRemaining - fudge,
13046 WhiteOnMove(currentMove));
13048 if(blackNPS >= 0) lastTickLength = 0;
13049 timeRemaining = blackTimeRemaining -= lastTickLength;
13050 DisplayBlackClock(blackTimeRemaining - fudge,
13051 !WhiteOnMove(currentMove));
13054 if (CheckFlags()) return;
13057 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
13058 StartClockTimer(intendedTickLength);
13060 /* if the time remaining has fallen below the alarm threshold, sound the
13061 * alarm. if the alarm has sounded and (due to a takeback or time control
13062 * with increment) the time remaining has increased to a level above the
13063 * threshold, reset the alarm so it can sound again.
13066 if (appData.icsActive && appData.icsAlarm) {
13068 /* make sure we are dealing with the user's clock */
13069 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
13070 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
13073 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
13074 alarmSounded = FALSE;
13075 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
13077 alarmSounded = TRUE;
13083 /* A player has just moved, so stop the previously running
13084 clock and (if in clock mode) start the other one.
13085 We redisplay both clocks in case we're in ICS mode, because
13086 ICS gives us an update to both clocks after every move.
13087 Note that this routine is called *after* forwardMostMove
13088 is updated, so the last fractional tick must be subtracted
13089 from the color that is *not* on move now.
13094 long lastTickLength;
13096 int flagged = FALSE;
13100 if (StopClockTimer() && appData.clockMode) {
13101 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13102 if (WhiteOnMove(forwardMostMove)) {
13103 if(blackNPS >= 0) lastTickLength = 0;
13104 blackTimeRemaining -= lastTickLength;
13105 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13106 // if(pvInfoList[forwardMostMove-1].time == -1)
13107 pvInfoList[forwardMostMove-1].time = // use GUI time
13108 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
13110 if(whiteNPS >= 0) lastTickLength = 0;
13111 whiteTimeRemaining -= lastTickLength;
13112 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13113 // if(pvInfoList[forwardMostMove-1].time == -1)
13114 pvInfoList[forwardMostMove-1].time =
13115 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
13117 flagged = CheckFlags();
13119 CheckTimeControl();
13121 if (flagged || !appData.clockMode) return;
13123 switch (gameMode) {
13124 case MachinePlaysBlack:
13125 case MachinePlaysWhite:
13126 case BeginningOfGame:
13127 if (pausing) return;
13131 case PlayFromGameFile:
13140 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13141 whiteTimeRemaining : blackTimeRemaining);
13142 StartClockTimer(intendedTickLength);
13146 /* Stop both clocks */
13150 long lastTickLength;
13153 if (!StopClockTimer()) return;
13154 if (!appData.clockMode) return;
13158 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13159 if (WhiteOnMove(forwardMostMove)) {
13160 if(whiteNPS >= 0) lastTickLength = 0;
13161 whiteTimeRemaining -= lastTickLength;
13162 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
13164 if(blackNPS >= 0) lastTickLength = 0;
13165 blackTimeRemaining -= lastTickLength;
13166 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
13171 /* Start clock of player on move. Time may have been reset, so
13172 if clock is already running, stop and restart it. */
13176 (void) StopClockTimer(); /* in case it was running already */
13177 DisplayBothClocks();
13178 if (CheckFlags()) return;
13180 if (!appData.clockMode) return;
13181 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
13183 GetTimeMark(&tickStartTM);
13184 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13185 whiteTimeRemaining : blackTimeRemaining);
13187 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
13188 whiteNPS = blackNPS = -1;
13189 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
13190 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
13191 whiteNPS = first.nps;
13192 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
13193 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
13194 blackNPS = first.nps;
13195 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
13196 whiteNPS = second.nps;
13197 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
13198 blackNPS = second.nps;
13199 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
13201 StartClockTimer(intendedTickLength);
13208 long second, minute, hour, day;
13210 static char buf[32];
13212 if (ms > 0 && ms <= 9900) {
13213 /* convert milliseconds to tenths, rounding up */
13214 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
13216 sprintf(buf, " %03.1f ", tenths/10.0);
13220 /* convert milliseconds to seconds, rounding up */
13221 /* use floating point to avoid strangeness of integer division
13222 with negative dividends on many machines */
13223 second = (long) floor(((double) (ms + 999L)) / 1000.0);
13230 day = second / (60 * 60 * 24);
13231 second = second % (60 * 60 * 24);
13232 hour = second / (60 * 60);
13233 second = second % (60 * 60);
13234 minute = second / 60;
13235 second = second % 60;
13238 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
13239 sign, day, hour, minute, second);
13241 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
13243 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
13250 * This is necessary because some C libraries aren't ANSI C compliant yet.
13253 StrStr(string, match)
13254 char *string, *match;
13258 length = strlen(match);
13260 for (i = strlen(string) - length; i >= 0; i--, string++)
13261 if (!strncmp(match, string, length))
13268 StrCaseStr(string, match)
13269 char *string, *match;
13273 length = strlen(match);
13275 for (i = strlen(string) - length; i >= 0; i--, string++) {
13276 for (j = 0; j < length; j++) {
13277 if (ToLower(match[j]) != ToLower(string[j]))
13280 if (j == length) return string;
13294 c1 = ToLower(*s1++);
13295 c2 = ToLower(*s2++);
13296 if (c1 > c2) return 1;
13297 if (c1 < c2) return -1;
13298 if (c1 == NULLCHAR) return 0;
13307 return isupper(c) ? tolower(c) : c;
13315 return islower(c) ? toupper(c) : c;
13317 #endif /* !_amigados */
13325 if ((ret = (char *) malloc(strlen(s) + 1))) {
13332 StrSavePtr(s, savePtr)
13333 char *s, **savePtr;
13338 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
13339 strcpy(*savePtr, s);
13351 clock = time((time_t *)NULL);
13352 tm = localtime(&clock);
13353 sprintf(buf, "%04d.%02d.%02d",
13354 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
13355 return StrSave(buf);
13360 PositionToFEN(move, overrideCastling)
13362 char *overrideCastling;
13364 int i, j, fromX, fromY, toX, toY;
13371 whiteToPlay = (gameMode == EditPosition) ?
13372 !blackPlaysFirst : (move % 2 == 0);
13375 /* Piece placement data */
13376 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13378 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13379 if (boards[move][i][j] == EmptySquare) {
13381 } else { ChessSquare piece = boards[move][i][j];
13382 if (emptycount > 0) {
13383 if(emptycount<10) /* [HGM] can be >= 10 */
13384 *p++ = '0' + emptycount;
13385 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13388 if(PieceToChar(piece) == '+') {
13389 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
13391 piece = (ChessSquare)(DEMOTED piece);
13393 *p++ = PieceToChar(piece);
13395 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
13396 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
13401 if (emptycount > 0) {
13402 if(emptycount<10) /* [HGM] can be >= 10 */
13403 *p++ = '0' + emptycount;
13404 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13411 /* [HGM] print Crazyhouse or Shogi holdings */
13412 if( gameInfo.holdingsWidth ) {
13413 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
13415 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
13416 piece = boards[move][i][BOARD_WIDTH-1];
13417 if( piece != EmptySquare )
13418 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
13419 *p++ = PieceToChar(piece);
13421 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
13422 piece = boards[move][BOARD_HEIGHT-i-1][0];
13423 if( piece != EmptySquare )
13424 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
13425 *p++ = PieceToChar(piece);
13428 if( q == p ) *p++ = '-';
13434 *p++ = whiteToPlay ? 'w' : 'b';
13437 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
13438 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' ';
13440 if(nrCastlingRights) {
13442 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
13443 /* [HGM] write directly from rights */
13444 if(castlingRights[move][2] >= 0 &&
13445 castlingRights[move][0] >= 0 )
13446 *p++ = castlingRights[move][0] + AAA + 'A' - 'a';
13447 if(castlingRights[move][2] >= 0 &&
13448 castlingRights[move][1] >= 0 )
13449 *p++ = castlingRights[move][1] + AAA + 'A' - 'a';
13450 if(castlingRights[move][5] >= 0 &&
13451 castlingRights[move][3] >= 0 )
13452 *p++ = castlingRights[move][3] + AAA;
13453 if(castlingRights[move][5] >= 0 &&
13454 castlingRights[move][4] >= 0 )
13455 *p++ = castlingRights[move][4] + AAA;
13458 /* [HGM] write true castling rights */
13459 if( nrCastlingRights == 6 ) {
13460 if(castlingRights[move][0] == BOARD_RGHT-1 &&
13461 castlingRights[move][2] >= 0 ) *p++ = 'K';
13462 if(castlingRights[move][1] == BOARD_LEFT &&
13463 castlingRights[move][2] >= 0 ) *p++ = 'Q';
13464 if(castlingRights[move][3] == BOARD_RGHT-1 &&
13465 castlingRights[move][5] >= 0 ) *p++ = 'k';
13466 if(castlingRights[move][4] == BOARD_LEFT &&
13467 castlingRights[move][5] >= 0 ) *p++ = 'q';
13470 if (q == p) *p++ = '-'; /* No castling rights */
13474 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
13475 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) {
13476 /* En passant target square */
13477 if (move > backwardMostMove) {
13478 fromX = moveList[move - 1][0] - AAA;
13479 fromY = moveList[move - 1][1] - ONE;
13480 toX = moveList[move - 1][2] - AAA;
13481 toY = moveList[move - 1][3] - ONE;
13482 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
13483 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
13484 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
13486 /* 2-square pawn move just happened */
13488 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
13499 /* [HGM] find reversible plies */
13500 { int i = 0, j=move;
13502 if (appData.debugMode) { int k;
13503 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
13504 for(k=backwardMostMove; k<=forwardMostMove; k++)
13505 fprintf(debugFP, "e%d. p=%d\n", k, epStatus[k]);
13509 while(j > backwardMostMove && epStatus[j] <= EP_NONE) j--,i++;
13510 if( j == backwardMostMove ) i += initialRulePlies;
13511 sprintf(p, "%d ", i);
13512 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
13514 /* Fullmove number */
13515 sprintf(p, "%d", (move / 2) + 1);
13517 return StrSave(buf);
13521 ParseFEN(board, blackPlaysFirst, fen)
13523 int *blackPlaysFirst;
13533 /* [HGM] by default clear Crazyhouse holdings, if present */
13534 if(gameInfo.holdingsWidth) {
13535 for(i=0; i<BOARD_HEIGHT; i++) {
13536 board[i][0] = EmptySquare; /* black holdings */
13537 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
13538 board[i][1] = (ChessSquare) 0; /* black counts */
13539 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
13543 /* Piece placement data */
13544 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13547 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
13548 if (*p == '/') p++;
13549 emptycount = gameInfo.boardWidth - j;
13550 while (emptycount--)
13551 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13553 #if(BOARD_SIZE >= 10)
13554 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
13555 p++; emptycount=10;
13556 if (j + emptycount > gameInfo.boardWidth) return FALSE;
13557 while (emptycount--)
13558 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13560 } else if (isdigit(*p)) {
13561 emptycount = *p++ - '0';
13562 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
13563 if (j + emptycount > gameInfo.boardWidth) return FALSE;
13564 while (emptycount--)
13565 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13566 } else if (*p == '+' || isalpha(*p)) {
13567 if (j >= gameInfo.boardWidth) return FALSE;
13569 piece = CharToPiece(*++p);
13570 if(piece == EmptySquare) return FALSE; /* unknown piece */
13571 piece = (ChessSquare) (PROMOTED piece ); p++;
13572 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
13573 } else piece = CharToPiece(*p++);
13575 if(piece==EmptySquare) return FALSE; /* unknown piece */
13576 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
13577 piece = (ChessSquare) (PROMOTED piece);
13578 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
13581 board[i][(j++)+gameInfo.holdingsWidth] = piece;
13587 while (*p == '/' || *p == ' ') p++;
13589 /* [HGM] look for Crazyhouse holdings here */
13590 while(*p==' ') p++;
13591 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
13593 if(*p == '-' ) *p++; /* empty holdings */ else {
13594 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
13595 /* if we would allow FEN reading to set board size, we would */
13596 /* have to add holdings and shift the board read so far here */
13597 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
13599 if((int) piece >= (int) BlackPawn ) {
13600 i = (int)piece - (int)BlackPawn;
13601 i = PieceToNumber((ChessSquare)i);
13602 if( i >= gameInfo.holdingsSize ) return FALSE;
13603 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
13604 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
13606 i = (int)piece - (int)WhitePawn;
13607 i = PieceToNumber((ChessSquare)i);
13608 if( i >= gameInfo.holdingsSize ) return FALSE;
13609 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
13610 board[i][BOARD_WIDTH-2]++; /* black holdings */
13614 if(*p == ']') *p++;
13617 while(*p == ' ') p++;
13622 *blackPlaysFirst = FALSE;
13625 *blackPlaysFirst = TRUE;
13631 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
13632 /* return the extra info in global variiables */
13634 /* set defaults in case FEN is incomplete */
13635 FENepStatus = EP_UNKNOWN;
13636 for(i=0; i<nrCastlingRights; i++ ) {
13637 FENcastlingRights[i] =
13638 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? -1 : initialRights[i];
13639 } /* assume possible unless obviously impossible */
13640 if(initialRights[0]>=0 && board[castlingRank[0]][initialRights[0]] != WhiteRook) FENcastlingRights[0] = -1;
13641 if(initialRights[1]>=0 && board[castlingRank[1]][initialRights[1]] != WhiteRook) FENcastlingRights[1] = -1;
13642 if(initialRights[2]>=0 && board[castlingRank[2]][initialRights[2]] != WhiteKing) FENcastlingRights[2] = -1;
13643 if(initialRights[3]>=0 && board[castlingRank[3]][initialRights[3]] != BlackRook) FENcastlingRights[3] = -1;
13644 if(initialRights[4]>=0 && board[castlingRank[4]][initialRights[4]] != BlackRook) FENcastlingRights[4] = -1;
13645 if(initialRights[5]>=0 && board[castlingRank[5]][initialRights[5]] != BlackKing) FENcastlingRights[5] = -1;
13648 while(*p==' ') p++;
13649 if(nrCastlingRights) {
13650 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
13651 /* castling indicator present, so default becomes no castlings */
13652 for(i=0; i<nrCastlingRights; i++ ) {
13653 FENcastlingRights[i] = -1;
13656 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
13657 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
13658 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
13659 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
13660 char c = *p++; int whiteKingFile=-1, blackKingFile=-1;
13662 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
13663 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
13664 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
13668 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
13669 FENcastlingRights[0] = i != whiteKingFile ? i : -1;
13670 FENcastlingRights[2] = whiteKingFile;
13673 for(i=BOARD_LEFT; board[0][i]!=WhiteRook && i<whiteKingFile; i++);
13674 FENcastlingRights[1] = i != whiteKingFile ? i : -1;
13675 FENcastlingRights[2] = whiteKingFile;
13678 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
13679 FENcastlingRights[3] = i != blackKingFile ? i : -1;
13680 FENcastlingRights[5] = blackKingFile;
13683 for(i=BOARD_LEFT; board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
13684 FENcastlingRights[4] = i != blackKingFile ? i : -1;
13685 FENcastlingRights[5] = blackKingFile;
13688 default: /* FRC castlings */
13689 if(c >= 'a') { /* black rights */
13690 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
13691 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
13692 if(i == BOARD_RGHT) break;
13693 FENcastlingRights[5] = i;
13695 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
13696 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
13698 FENcastlingRights[3] = c;
13700 FENcastlingRights[4] = c;
13701 } else { /* white rights */
13702 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
13703 if(board[0][i] == WhiteKing) break;
13704 if(i == BOARD_RGHT) break;
13705 FENcastlingRights[2] = i;
13706 c -= AAA - 'a' + 'A';
13707 if(board[0][c] >= WhiteKing) break;
13709 FENcastlingRights[0] = c;
13711 FENcastlingRights[1] = c;
13715 if (appData.debugMode) {
13716 fprintf(debugFP, "FEN castling rights:");
13717 for(i=0; i<nrCastlingRights; i++)
13718 fprintf(debugFP, " %d", FENcastlingRights[i]);
13719 fprintf(debugFP, "\n");
13722 while(*p==' ') p++;
13725 /* read e.p. field in games that know e.p. capture */
13726 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
13727 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) {
13729 p++; FENepStatus = EP_NONE;
13731 char c = *p++ - AAA;
13733 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
13734 if(*p >= '0' && *p <='9') *p++;
13740 if(sscanf(p, "%d", &i) == 1) {
13741 FENrulePlies = i; /* 50-move ply counter */
13742 /* (The move number is still ignored) */
13749 EditPositionPasteFEN(char *fen)
13752 Board initial_position;
13754 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
13755 DisplayError(_("Bad FEN position in clipboard"), 0);
13758 int savedBlackPlaysFirst = blackPlaysFirst;
13759 EditPositionEvent();
13760 blackPlaysFirst = savedBlackPlaysFirst;
13761 CopyBoard(boards[0], initial_position);
13762 /* [HGM] copy FEN attributes as well */
13764 initialRulePlies = FENrulePlies;
13765 epStatus[0] = FENepStatus;
13766 for( i=0; i<nrCastlingRights; i++ )
13767 castlingRights[0][i] = FENcastlingRights[i];
13769 EditPositionDone();
13770 DisplayBothClocks();
13771 DrawPosition(FALSE, boards[currentMove]);