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 fromX = boards[currentMove][fromY][fromX];
5213 /* [HGM] <popupFix> The following if has been moved here from
5214 UserMoveEvent(). Because it seemed to belon here (why not allow
5215 piece drops in training games?), and because it can only be
5216 performed after it is known to what we promote. */
5217 if (gameMode == Training) {
5218 /* compare the move played on the board to the next move in the
5219 * game. If they match, display the move and the opponent's response.
5220 * If they don't match, display an error message.
5223 Board testBoard; char testRights[BOARD_SIZE]; char testStatus;
5224 CopyBoard(testBoard, boards[currentMove]);
5225 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard, testRights, &testStatus);
5227 if (CompareBoards(testBoard, boards[currentMove+1])) {
5228 ForwardInner(currentMove+1);
5230 /* Autoplay the opponent's response.
5231 * if appData.animate was TRUE when Training mode was entered,
5232 * the response will be animated.
5234 saveAnimate = appData.animate;
5235 appData.animate = animateTraining;
5236 ForwardInner(currentMove+1);
5237 appData.animate = saveAnimate;
5239 /* check for the end of the game */
5240 if (currentMove >= forwardMostMove) {
5241 gameMode = PlayFromGameFile;
5243 SetTrainingModeOff();
5244 DisplayInformation(_("End of game"));
5247 DisplayError(_("Incorrect move"), 0);
5252 /* Ok, now we know that the move is good, so we can kill
5253 the previous line in Analysis Mode */
5254 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5255 forwardMostMove = currentMove;
5258 /* If we need the chess program but it's dead, restart it */
5259 ResurrectChessProgram();
5261 /* A user move restarts a paused game*/
5265 thinkOutput[0] = NULLCHAR;
5267 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
5269 if (gameMode == BeginningOfGame) {
5270 if (appData.noChessProgram) {
5271 gameMode = EditGame;
5275 gameMode = MachinePlaysBlack;
5278 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
5280 if (first.sendName) {
5281 sprintf(buf, "name %s\n", gameInfo.white);
5282 SendToProgram(buf, &first);
5288 if(appData.debugMode) fprintf(debugFP, "moveType 2 = %d, promochar = %x\n", moveType, promoChar);
5289 /* Relay move to ICS or chess engine */
5290 if (appData.icsActive) {
5291 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
5292 gameMode == IcsExamining) {
5293 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5297 if (first.sendTime && (gameMode == BeginningOfGame ||
5298 gameMode == MachinePlaysWhite ||
5299 gameMode == MachinePlaysBlack)) {
5300 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
5302 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
5303 // [HGM] book: if program might be playing, let it use book
5304 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
5305 first.maybeThinking = TRUE;
5306 } else SendMoveToProgram(forwardMostMove-1, &first);
5307 if (currentMove == cmailOldMove + 1) {
5308 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
5312 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5316 switch (MateTest(boards[currentMove], PosFlags(currentMove),
5317 EP_UNKNOWN, castlingRights[currentMove]) ) {
5323 if (WhiteOnMove(currentMove)) {
5324 GameEnds(BlackWins, "Black mates", GE_PLAYER);
5326 GameEnds(WhiteWins, "White mates", GE_PLAYER);
5330 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
5335 case MachinePlaysBlack:
5336 case MachinePlaysWhite:
5337 /* disable certain menu options while machine is thinking */
5338 SetMachineThinkingEnables();
5345 if(bookHit) { // [HGM] book: simulate book reply
5346 static char bookMove[MSG_SIZ]; // a bit generous?
5348 programStats.nodes = programStats.depth = programStats.time =
5349 programStats.score = programStats.got_only_move = 0;
5350 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5352 strcpy(bookMove, "move ");
5353 strcat(bookMove, bookHit);
5354 HandleMachineMove(bookMove, &first);
5360 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5361 int fromX, fromY, toX, toY;
5364 /* [HGM] This routine was added to allow calling of its two logical
5365 parts from other modules in the old way. Before, UserMoveEvent()
5366 automatically called FinishMove() if the move was OK, and returned
5367 otherwise. I separated the two, in order to make it possible to
5368 slip a promotion popup in between. But that it always needs two
5369 calls, to the first part, (now called UserMoveTest() ), and to
5370 FinishMove if the first part succeeded. Calls that do not need
5371 to do anything in between, can call this routine the old way.
5373 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar);
5374 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
5375 if(moveType != ImpossibleMove)
5376 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
5379 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
5381 // char * hint = lastHint;
5382 FrontEndProgramStats stats;
5384 stats.which = cps == &first ? 0 : 1;
5385 stats.depth = cpstats->depth;
5386 stats.nodes = cpstats->nodes;
5387 stats.score = cpstats->score;
5388 stats.time = cpstats->time;
5389 stats.pv = cpstats->movelist;
5390 stats.hint = lastHint;
5391 stats.an_move_index = 0;
5392 stats.an_move_count = 0;
5394 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
5395 stats.hint = cpstats->move_name;
5396 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
5397 stats.an_move_count = cpstats->nr_moves;
5400 SetProgramStats( &stats );
5403 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
5404 { // [HGM] book: this routine intercepts moves to simulate book replies
5405 char *bookHit = NULL;
5407 //first determine if the incoming move brings opponent into his book
5408 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
5409 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
5410 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
5411 if(bookHit != NULL && !cps->bookSuspend) {
5412 // make sure opponent is not going to reply after receiving move to book position
5413 SendToProgram("force\n", cps);
5414 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
5416 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
5417 // now arrange restart after book miss
5419 // after a book hit we never send 'go', and the code after the call to this routine
5420 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
5422 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
5423 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
5424 SendToProgram(buf, cps);
5425 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
5426 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
5427 SendToProgram("go\n", cps);
5428 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
5429 } else { // 'go' might be sent based on 'firstMove' after this routine returns
5430 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
5431 SendToProgram("go\n", cps);
5432 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
5434 return bookHit; // notify caller of hit, so it can take action to send move to opponent
5438 ChessProgramState *savedState;
5439 void DeferredBookMove(void)
5441 if(savedState->lastPing != savedState->lastPong)
5442 ScheduleDelayedEvent(DeferredBookMove, 10);
5444 HandleMachineMove(savedMessage, savedState);
5448 HandleMachineMove(message, cps)
5450 ChessProgramState *cps;
5452 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
5453 char realname[MSG_SIZ];
5454 int fromX, fromY, toX, toY;
5461 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
5463 * Kludge to ignore BEL characters
5465 while (*message == '\007') message++;
5468 * [HGM] engine debug message: ignore lines starting with '#' character
5470 if(cps->debug && *message == '#') return;
5473 * Look for book output
5475 if (cps == &first && bookRequested) {
5476 if (message[0] == '\t' || message[0] == ' ') {
5477 /* Part of the book output is here; append it */
5478 strcat(bookOutput, message);
5479 strcat(bookOutput, " \n");
5481 } else if (bookOutput[0] != NULLCHAR) {
5482 /* All of book output has arrived; display it */
5483 char *p = bookOutput;
5484 while (*p != NULLCHAR) {
5485 if (*p == '\t') *p = ' ';
5488 DisplayInformation(bookOutput);
5489 bookRequested = FALSE;
5490 /* Fall through to parse the current output */
5495 * Look for machine move.
5497 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
5498 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
5500 /* This method is only useful on engines that support ping */
5501 if (cps->lastPing != cps->lastPong) {
5502 if (gameMode == BeginningOfGame) {
5503 /* Extra move from before last new; ignore */
5504 if (appData.debugMode) {
5505 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
5508 if (appData.debugMode) {
5509 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
5510 cps->which, gameMode);
5513 SendToProgram("undo\n", cps);
5519 case BeginningOfGame:
5520 /* Extra move from before last reset; ignore */
5521 if (appData.debugMode) {
5522 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
5529 /* Extra move after we tried to stop. The mode test is
5530 not a reliable way of detecting this problem, but it's
5531 the best we can do on engines that don't support ping.
5533 if (appData.debugMode) {
5534 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
5535 cps->which, gameMode);
5537 SendToProgram("undo\n", cps);
5540 case MachinePlaysWhite:
5541 case IcsPlayingWhite:
5542 machineWhite = TRUE;
5545 case MachinePlaysBlack:
5546 case IcsPlayingBlack:
5547 machineWhite = FALSE;
5550 case TwoMachinesPlay:
5551 machineWhite = (cps->twoMachinesColor[0] == 'w');
5554 if (WhiteOnMove(forwardMostMove) != machineWhite) {
5555 if (appData.debugMode) {
5557 "Ignoring move out of turn by %s, gameMode %d"
5558 ", forwardMost %d\n",
5559 cps->which, gameMode, forwardMostMove);
5564 if (appData.debugMode) { int f = forwardMostMove;
5565 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
5566 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
5568 if(cps->alphaRank) AlphaRank(machineMove, 4);
5569 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
5570 &fromX, &fromY, &toX, &toY, &promoChar)) {
5571 /* Machine move could not be parsed; ignore it. */
5572 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
5573 machineMove, cps->which);
5574 DisplayError(buf1, 0);
5575 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
5576 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
5577 if (gameMode == TwoMachinesPlay) {
5578 GameEnds(machineWhite ? BlackWins : WhiteWins,
5584 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
5585 /* So we have to redo legality test with true e.p. status here, */
5586 /* to make sure an illegal e.p. capture does not slip through, */
5587 /* to cause a forfeit on a justified illegal-move complaint */
5588 /* of the opponent. */
5589 if( gameMode==TwoMachinesPlay && appData.testLegality
5590 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
5593 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
5594 epStatus[forwardMostMove], castlingRights[forwardMostMove],
5595 fromY, fromX, toY, toX, promoChar);
5596 if (appData.debugMode) {
5598 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
5599 castlingRights[forwardMostMove][i], castlingRank[i]);
5600 fprintf(debugFP, "castling rights\n");
5602 if(moveType == IllegalMove) {
5603 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
5604 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
5605 GameEnds(machineWhite ? BlackWins : WhiteWins,
5608 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
5609 /* [HGM] Kludge to handle engines that send FRC-style castling
5610 when they shouldn't (like TSCP-Gothic) */
5612 case WhiteASideCastleFR:
5613 case BlackASideCastleFR:
5615 currentMoveString[2]++;
5617 case WhiteHSideCastleFR:
5618 case BlackHSideCastleFR:
5620 currentMoveString[2]--;
5622 default: ; // nothing to do, but suppresses warning of pedantic compilers
5625 hintRequested = FALSE;
5626 lastHint[0] = NULLCHAR;
5627 bookRequested = FALSE;
5628 /* Program may be pondering now */
5629 cps->maybeThinking = TRUE;
5630 if (cps->sendTime == 2) cps->sendTime = 1;
5631 if (cps->offeredDraw) cps->offeredDraw--;
5634 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
5636 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5638 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
5639 char buf[3*MSG_SIZ];
5641 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %.0f nodes, %1.0f knps) PV=%s\n",
5642 programStats.score / 100.,
5644 programStats.time / 100.,
5645 u64ToDouble(programStats.nodes),
5646 u64ToDouble(programStats.nodes) / (10*abs(programStats.time) + 1.),
5647 programStats.movelist);
5652 /* currentMoveString is set as a side-effect of ParseOneMove */
5653 strcpy(machineMove, currentMoveString);
5654 strcat(machineMove, "\n");
5655 strcpy(moveList[forwardMostMove], machineMove);
5657 /* [AS] Save move info and clear stats for next move */
5658 pvInfoList[ forwardMostMove ].score = programStats.score;
5659 pvInfoList[ forwardMostMove ].depth = programStats.depth;
5660 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
5661 ClearProgramStats();
5662 thinkOutput[0] = NULLCHAR;
5663 hiddenThinkOutputState = 0;
5665 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
5667 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
5668 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
5671 while( count < adjudicateLossPlies ) {
5672 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
5675 score = -score; /* Flip score for winning side */
5678 if( score > adjudicateLossThreshold ) {
5685 if( count >= adjudicateLossPlies ) {
5686 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5688 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
5689 "Xboard adjudication",
5696 if( gameMode == TwoMachinesPlay ) {
5697 // [HGM] some adjudications useful with buggy engines
5698 int k, count = 0, epFile = epStatus[forwardMostMove]; static int bare = 1;
5699 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
5702 if( appData.testLegality )
5703 { /* [HGM] Some more adjudications for obstinate engines */
5704 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
5705 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
5706 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
5707 static int moveCount = 6;
5709 char *reason = NULL;
5711 /* Count what is on board. */
5712 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
5713 { ChessSquare p = boards[forwardMostMove][i][j];
5717 { /* count B,N,R and other of each side */
5720 NrK++; break; // [HGM] atomic: count Kings
5724 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
5725 bishopsColor |= 1 << ((i^j)&1);
5730 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
5731 bishopsColor |= 1 << ((i^j)&1);
5746 PawnAdvance += m; NrPawns++;
5748 NrPieces += (p != EmptySquare);
5749 NrW += ((int)p < (int)BlackPawn);
5750 if(gameInfo.variant == VariantXiangqi &&
5751 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
5752 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
5753 NrW -= ((int)p < (int)BlackPawn);
5757 /* Some material-based adjudications that have to be made before stalemate test */
5758 if(gameInfo.variant == VariantAtomic && NrK < 2) {
5759 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
5760 epStatus[forwardMostMove] = EP_CHECKMATE; // make claimable as if stm is checkmated
5761 if(appData.checkMates) {
5762 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move
5763 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5764 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
5765 "Xboard adjudication: King destroyed", GE_XBOARD );
5770 /* Bare King in Shatranj (loses) or Losers (wins) */
5771 if( NrW == 1 || NrPieces - NrW == 1) {
5772 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
5773 epStatus[forwardMostMove] = EP_WINS; // mark as win, so it becomes claimable
5774 if(appData.checkMates) {
5775 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets to see move
5776 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5777 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
5778 "Xboard adjudication: Bare king", GE_XBOARD );
5782 if( gameInfo.variant == VariantShatranj && --bare < 0)
5784 epStatus[forwardMostMove] = EP_WINS; // make claimable as win for stm
5785 if(appData.checkMates) {
5786 /* but only adjudicate if adjudication enabled */
5787 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move
5788 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5789 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
5790 "Xboard adjudication: Bare king", GE_XBOARD );
5797 // don't wait for engine to announce game end if we can judge ourselves
5798 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove), epFile,
5799 castlingRights[forwardMostMove]) ) {
5801 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
5802 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
5803 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
5804 if(MateTest(boards[i], PosFlags(i), epStatus[i], castlingRights[i]) == MT_CHECK)
5807 reason = "Xboard adjudication: 3rd check";
5808 epStatus[forwardMostMove] = EP_CHECKMATE;
5818 reason = "Xboard adjudication: Stalemate";
5819 if(epStatus[forwardMostMove] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
5820 epStatus[forwardMostMove] = EP_STALEMATE; // default result for stalemate is draw
5821 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
5822 epStatus[forwardMostMove] = EP_WINS; // in these variants stalemated is always a win
5823 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
5824 epStatus[forwardMostMove] = NrW == NrPieces-NrW ? EP_STALEMATE :
5825 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
5826 EP_CHECKMATE : EP_WINS);
5827 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
5828 epStatus[forwardMostMove] = EP_CHECKMATE; // and in these variants being stalemated loses
5832 reason = "Xboard adjudication: Checkmate";
5833 epStatus[forwardMostMove] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
5837 switch(i = epStatus[forwardMostMove]) {
5839 result = GameIsDrawn; break;
5841 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
5843 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
5845 result = (ChessMove) 0;
5847 if(appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
5848 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
5849 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5850 GameEnds( result, reason, GE_XBOARD );
5854 /* Next absolutely insufficient mating material. */
5855 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
5856 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
5857 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
5858 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
5859 { /* KBK, KNK, KK of KBKB with like Bishops */
5861 /* always flag draws, for judging claims */
5862 epStatus[forwardMostMove] = EP_INSUF_DRAW;
5864 if(appData.materialDraws) {
5865 /* but only adjudicate them if adjudication enabled */
5866 SendToProgram("force\n", cps->other); // suppress reply
5867 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see last move */
5868 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5869 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
5874 /* Then some trivial draws (only adjudicate, cannot be claimed) */
5876 ( NrWR == 1 && NrBR == 1 /* KRKR */
5877 || NrWQ==1 && NrBQ==1 /* KQKQ */
5878 || NrWN==2 || NrBN==2 /* KNNK */
5879 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
5881 if(--moveCount < 0 && appData.trivialDraws)
5882 { /* if the first 3 moves do not show a tactical win, declare draw */
5883 SendToProgram("force\n", cps->other); // suppress reply
5884 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
5885 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5886 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
5889 } else moveCount = 6;
5893 if (appData.debugMode) { int i;
5894 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
5895 forwardMostMove, backwardMostMove, epStatus[backwardMostMove],
5896 appData.drawRepeats);
5897 for( i=forwardMostMove; i>=backwardMostMove; i-- )
5898 fprintf(debugFP, "%d ep=%d\n", i, epStatus[i]);
5902 /* Check for rep-draws */
5904 for(k = forwardMostMove-2;
5905 k>=backwardMostMove && k>=forwardMostMove-100 &&
5906 epStatus[k] < EP_UNKNOWN &&
5907 epStatus[k+2] <= EP_NONE && epStatus[k+1] <= EP_NONE;
5911 if (appData.debugMode) {
5912 fprintf(debugFP, " loop\n");
5915 if(CompareBoards(boards[k], boards[forwardMostMove])) {
5917 if (appData.debugMode) {
5918 fprintf(debugFP, "match\n");
5921 /* compare castling rights */
5922 if( castlingRights[forwardMostMove][2] != castlingRights[k][2] &&
5923 (castlingRights[k][0] >= 0 || castlingRights[k][1] >= 0) )
5924 rights++; /* King lost rights, while rook still had them */
5925 if( castlingRights[forwardMostMove][2] >= 0 ) { /* king has rights */
5926 if( castlingRights[forwardMostMove][0] != castlingRights[k][0] ||
5927 castlingRights[forwardMostMove][1] != castlingRights[k][1] )
5928 rights++; /* but at least one rook lost them */
5930 if( castlingRights[forwardMostMove][5] != castlingRights[k][5] &&
5931 (castlingRights[k][3] >= 0 || castlingRights[k][4] >= 0) )
5933 if( castlingRights[forwardMostMove][5] >= 0 ) {
5934 if( castlingRights[forwardMostMove][3] != castlingRights[k][3] ||
5935 castlingRights[forwardMostMove][4] != castlingRights[k][4] )
5939 if (appData.debugMode) {
5940 for(i=0; i<nrCastlingRights; i++)
5941 fprintf(debugFP, " (%d,%d)", castlingRights[forwardMostMove][i], castlingRights[k][i]);
5944 if (appData.debugMode) {
5945 fprintf(debugFP, " %d %d\n", rights, k);
5948 if( rights == 0 && ++count > appData.drawRepeats-2
5949 && appData.drawRepeats > 1) {
5950 /* adjudicate after user-specified nr of repeats */
5951 SendToProgram("force\n", cps->other); // suppress reply
5952 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
5953 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5954 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
5955 // [HGM] xiangqi: check for forbidden perpetuals
5956 int m, ourPerpetual = 1, hisPerpetual = 1;
5957 for(m=forwardMostMove; m>k; m-=2) {
5958 if(MateTest(boards[m], PosFlags(m),
5959 EP_NONE, castlingRights[m]) != MT_CHECK)
5960 ourPerpetual = 0; // the current mover did not always check
5961 if(MateTest(boards[m-1], PosFlags(m-1),
5962 EP_NONE, castlingRights[m-1]) != MT_CHECK)
5963 hisPerpetual = 0; // the opponent did not always check
5965 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
5966 ourPerpetual, hisPerpetual);
5967 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
5968 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
5969 "Xboard adjudication: perpetual checking", GE_XBOARD );
5972 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
5973 break; // (or we would have caught him before). Abort repetition-checking loop.
5974 // Now check for perpetual chases
5975 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
5976 hisPerpetual = PerpetualChase(k, forwardMostMove);
5977 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
5978 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
5979 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
5980 "Xboard adjudication: perpetual chasing", GE_XBOARD );
5983 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
5984 break; // Abort repetition-checking loop.
5986 // if neither of us is checking or chasing all the time, or both are, it is draw
5988 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
5991 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
5992 epStatus[forwardMostMove] = EP_REP_DRAW;
5996 /* Now we test for 50-move draws. Determine ply count */
5997 count = forwardMostMove;
5998 /* look for last irreversble move */
5999 while( epStatus[count] <= EP_NONE && count > backwardMostMove )
6001 /* if we hit starting position, add initial plies */
6002 if( count == backwardMostMove )
6003 count -= initialRulePlies;
6004 count = forwardMostMove - count;
6006 epStatus[forwardMostMove] = EP_RULE_DRAW;
6007 /* this is used to judge if draw claims are legal */
6008 if(appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6009 SendToProgram("force\n", cps->other); // suppress reply
6010 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6011 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6012 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6016 /* if draw offer is pending, treat it as a draw claim
6017 * when draw condition present, to allow engines a way to
6018 * claim draws before making their move to avoid a race
6019 * condition occurring after their move
6021 if( cps->other->offeredDraw || cps->offeredDraw ) {
6023 if(epStatus[forwardMostMove] == EP_RULE_DRAW)
6024 p = "Draw claim: 50-move rule";
6025 if(epStatus[forwardMostMove] == EP_REP_DRAW)
6026 p = "Draw claim: 3-fold repetition";
6027 if(epStatus[forwardMostMove] == EP_INSUF_DRAW)
6028 p = "Draw claim: insufficient mating material";
6030 SendToProgram("force\n", cps->other); // suppress reply
6031 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6032 GameEnds( GameIsDrawn, p, GE_XBOARD );
6033 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6039 if( appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6040 SendToProgram("force\n", cps->other); // suppress reply
6041 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6042 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6044 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6051 if (gameMode == TwoMachinesPlay) {
6052 /* [HGM] relaying draw offers moved to after reception of move */
6053 /* and interpreting offer as claim if it brings draw condition */
6054 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
6055 SendToProgram("draw\n", cps->other);
6057 if (cps->other->sendTime) {
6058 SendTimeRemaining(cps->other,
6059 cps->other->twoMachinesColor[0] == 'w');
6061 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
6062 if (firstMove && !bookHit) {
6064 if (cps->other->useColors) {
6065 SendToProgram(cps->other->twoMachinesColor, cps->other);
6067 SendToProgram("go\n", cps->other);
6069 cps->other->maybeThinking = TRUE;
6072 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6074 if (!pausing && appData.ringBellAfterMoves) {
6079 * Reenable menu items that were disabled while
6080 * machine was thinking
6082 if (gameMode != TwoMachinesPlay)
6083 SetUserThinkingEnables();
6085 // [HGM] book: after book hit opponent has received move and is now in force mode
6086 // force the book reply into it, and then fake that it outputted this move by jumping
6087 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
6089 static char bookMove[MSG_SIZ]; // a bit generous?
6091 strcpy(bookMove, "move ");
6092 strcat(bookMove, bookHit);
6095 programStats.nodes = programStats.depth = programStats.time =
6096 programStats.score = programStats.got_only_move = 0;
6097 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6099 if(cps->lastPing != cps->lastPong) {
6100 savedMessage = message; // args for deferred call
6102 ScheduleDelayedEvent(DeferredBookMove, 10);
6111 /* Set special modes for chess engines. Later something general
6112 * could be added here; for now there is just one kludge feature,
6113 * needed because Crafty 15.10 and earlier don't ignore SIGINT
6114 * when "xboard" is given as an interactive command.
6116 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
6117 cps->useSigint = FALSE;
6118 cps->useSigterm = FALSE;
6121 /* [HGM] Allow engine to set up a position. Don't ask me why one would
6122 * want this, I was asked to put it in, and obliged.
6124 if (!strncmp(message, "setboard ", 9)) {
6125 Board initial_position; int i;
6127 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
6129 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
6130 DisplayError(_("Bad FEN received from engine"), 0);
6133 Reset(FALSE, FALSE);
6134 CopyBoard(boards[0], initial_position);
6135 initialRulePlies = FENrulePlies;
6136 epStatus[0] = FENepStatus;
6137 for( i=0; i<nrCastlingRights; i++ )
6138 castlingRights[0][i] = FENcastlingRights[i];
6139 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
6140 else gameMode = MachinePlaysBlack;
6141 DrawPosition(FALSE, boards[currentMove]);
6147 * Look for communication commands
6149 if (!strncmp(message, "telluser ", 9)) {
6150 DisplayNote(message + 9);
6153 if (!strncmp(message, "tellusererror ", 14)) {
6154 DisplayError(message + 14, 0);
6157 if (!strncmp(message, "tellopponent ", 13)) {
6158 if (appData.icsActive) {
6160 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
6164 DisplayNote(message + 13);
6168 if (!strncmp(message, "tellothers ", 11)) {
6169 if (appData.icsActive) {
6171 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
6177 if (!strncmp(message, "tellall ", 8)) {
6178 if (appData.icsActive) {
6180 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
6184 DisplayNote(message + 8);
6188 if (strncmp(message, "warning", 7) == 0) {
6189 /* Undocumented feature, use tellusererror in new code */
6190 DisplayError(message, 0);
6193 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
6194 strcpy(realname, cps->tidy);
6195 strcat(realname, " query");
6196 AskQuestion(realname, buf2, buf1, cps->pr);
6199 /* Commands from the engine directly to ICS. We don't allow these to be
6200 * sent until we are logged on. Crafty kibitzes have been known to
6201 * interfere with the login process.
6204 if (!strncmp(message, "tellics ", 8)) {
6205 SendToICS(message + 8);
6209 if (!strncmp(message, "tellicsnoalias ", 15)) {
6210 SendToICS(ics_prefix);
6211 SendToICS(message + 15);
6215 /* The following are for backward compatibility only */
6216 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
6217 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
6218 SendToICS(ics_prefix);
6224 if (strncmp(message, "feature ", 8) == 0) {
6225 ParseFeatures(message+8, cps);
6227 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
6231 * If the move is illegal, cancel it and redraw the board.
6232 * Also deal with other error cases. Matching is rather loose
6233 * here to accommodate engines written before the spec.
6235 if (strncmp(message + 1, "llegal move", 11) == 0 ||
6236 strncmp(message, "Error", 5) == 0) {
6237 if (StrStr(message, "name") ||
6238 StrStr(message, "rating") || StrStr(message, "?") ||
6239 StrStr(message, "result") || StrStr(message, "board") ||
6240 StrStr(message, "bk") || StrStr(message, "computer") ||
6241 StrStr(message, "variant") || StrStr(message, "hint") ||
6242 StrStr(message, "random") || StrStr(message, "depth") ||
6243 StrStr(message, "accepted")) {
6246 if (StrStr(message, "protover")) {
6247 /* Program is responding to input, so it's apparently done
6248 initializing, and this error message indicates it is
6249 protocol version 1. So we don't need to wait any longer
6250 for it to initialize and send feature commands. */
6251 FeatureDone(cps, 1);
6252 cps->protocolVersion = 1;
6255 cps->maybeThinking = FALSE;
6257 if (StrStr(message, "draw")) {
6258 /* Program doesn't have "draw" command */
6259 cps->sendDrawOffers = 0;
6262 if (cps->sendTime != 1 &&
6263 (StrStr(message, "time") || StrStr(message, "otim"))) {
6264 /* Program apparently doesn't have "time" or "otim" command */
6268 if (StrStr(message, "analyze")) {
6269 cps->analysisSupport = FALSE;
6270 cps->analyzing = FALSE;
6272 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
6273 DisplayError(buf2, 0);
6276 if (StrStr(message, "(no matching move)st")) {
6277 /* Special kludge for GNU Chess 4 only */
6278 cps->stKludge = TRUE;
6279 SendTimeControl(cps, movesPerSession, timeControl,
6280 timeIncrement, appData.searchDepth,
6284 if (StrStr(message, "(no matching move)sd")) {
6285 /* Special kludge for GNU Chess 4 only */
6286 cps->sdKludge = TRUE;
6287 SendTimeControl(cps, movesPerSession, timeControl,
6288 timeIncrement, appData.searchDepth,
6292 if (!StrStr(message, "llegal")) {
6295 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6296 gameMode == IcsIdle) return;
6297 if (forwardMostMove <= backwardMostMove) return;
6299 /* Following removed: it caused a bug where a real illegal move
6300 message in analyze mored would be ignored. */
6301 if (cps == &first && programStats.ok_to_send == 0) {
6302 /* Bogus message from Crafty responding to "." This filtering
6303 can miss some of the bad messages, but fortunately the bug
6304 is fixed in current Crafty versions, so it doesn't matter. */
6308 if (pausing) PauseEvent();
6309 if (gameMode == PlayFromGameFile) {
6310 /* Stop reading this game file */
6311 gameMode = EditGame;
6314 currentMove = --forwardMostMove;
6315 DisplayMove(currentMove-1); /* before DisplayMoveError */
6317 DisplayBothClocks();
6318 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
6319 parseList[currentMove], cps->which);
6320 DisplayMoveError(buf1);
6321 DrawPosition(FALSE, boards[currentMove]);
6323 /* [HGM] illegal-move claim should forfeit game when Xboard */
6324 /* only passes fully legal moves */
6325 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
6326 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
6327 "False illegal-move claim", GE_XBOARD );
6331 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
6332 /* Program has a broken "time" command that
6333 outputs a string not ending in newline.
6339 * If chess program startup fails, exit with an error message.
6340 * Attempts to recover here are futile.
6342 if ((StrStr(message, "unknown host") != NULL)
6343 || (StrStr(message, "No remote directory") != NULL)
6344 || (StrStr(message, "not found") != NULL)
6345 || (StrStr(message, "No such file") != NULL)
6346 || (StrStr(message, "can't alloc") != NULL)
6347 || (StrStr(message, "Permission denied") != NULL)) {
6349 cps->maybeThinking = FALSE;
6350 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
6351 cps->which, cps->program, cps->host, message);
6352 RemoveInputSource(cps->isr);
6353 DisplayFatalError(buf1, 0, 1);
6358 * Look for hint output
6360 if (sscanf(message, "Hint: %s", buf1) == 1) {
6361 if (cps == &first && hintRequested) {
6362 hintRequested = FALSE;
6363 if (ParseOneMove(buf1, forwardMostMove, &moveType,
6364 &fromX, &fromY, &toX, &toY, &promoChar)) {
6365 (void) CoordsToAlgebraic(boards[forwardMostMove],
6366 PosFlags(forwardMostMove), EP_UNKNOWN,
6367 fromY, fromX, toY, toX, promoChar, buf1);
6368 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
6369 DisplayInformation(buf2);
6371 /* Hint move could not be parsed!? */
6372 snprintf(buf2, sizeof(buf2),
6373 _("Illegal hint move \"%s\"\nfrom %s chess program"),
6375 DisplayError(buf2, 0);
6378 strcpy(lastHint, buf1);
6384 * Ignore other messages if game is not in progress
6386 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6387 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
6390 * look for win, lose, draw, or draw offer
6392 if (strncmp(message, "1-0", 3) == 0) {
6393 char *p, *q, *r = "";
6394 p = strchr(message, '{');
6402 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
6404 } else if (strncmp(message, "0-1", 3) == 0) {
6405 char *p, *q, *r = "";
6406 p = strchr(message, '{');
6414 /* Kludge for Arasan 4.1 bug */
6415 if (strcmp(r, "Black resigns") == 0) {
6416 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
6419 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
6421 } else if (strncmp(message, "1/2", 3) == 0) {
6422 char *p, *q, *r = "";
6423 p = strchr(message, '{');
6432 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
6435 } else if (strncmp(message, "White resign", 12) == 0) {
6436 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
6438 } else if (strncmp(message, "Black resign", 12) == 0) {
6439 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
6441 } else if (strncmp(message, "White matches", 13) == 0 ||
6442 strncmp(message, "Black matches", 13) == 0 ) {
6443 /* [HGM] ignore GNUShogi noises */
6445 } else if (strncmp(message, "White", 5) == 0 &&
6446 message[5] != '(' &&
6447 StrStr(message, "Black") == NULL) {
6448 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6450 } else if (strncmp(message, "Black", 5) == 0 &&
6451 message[5] != '(') {
6452 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6454 } else if (strcmp(message, "resign") == 0 ||
6455 strcmp(message, "computer resigns") == 0) {
6457 case MachinePlaysBlack:
6458 case IcsPlayingBlack:
6459 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
6461 case MachinePlaysWhite:
6462 case IcsPlayingWhite:
6463 GameEnds(BlackWins, "White resigns", GE_ENGINE);
6465 case TwoMachinesPlay:
6466 if (cps->twoMachinesColor[0] == 'w')
6467 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
6469 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
6476 } else if (strncmp(message, "opponent mates", 14) == 0) {
6478 case MachinePlaysBlack:
6479 case IcsPlayingBlack:
6480 GameEnds(WhiteWins, "White mates", GE_ENGINE);
6482 case MachinePlaysWhite:
6483 case IcsPlayingWhite:
6484 GameEnds(BlackWins, "Black mates", GE_ENGINE);
6486 case TwoMachinesPlay:
6487 if (cps->twoMachinesColor[0] == 'w')
6488 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6490 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6497 } else if (strncmp(message, "computer mates", 14) == 0) {
6499 case MachinePlaysBlack:
6500 case IcsPlayingBlack:
6501 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
6503 case MachinePlaysWhite:
6504 case IcsPlayingWhite:
6505 GameEnds(WhiteWins, "White mates", GE_ENGINE);
6507 case TwoMachinesPlay:
6508 if (cps->twoMachinesColor[0] == 'w')
6509 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6511 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6518 } else if (strncmp(message, "checkmate", 9) == 0) {
6519 if (WhiteOnMove(forwardMostMove)) {
6520 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6522 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6525 } else if (strstr(message, "Draw") != NULL ||
6526 strstr(message, "game is a draw") != NULL) {
6527 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
6529 } else if (strstr(message, "offer") != NULL &&
6530 strstr(message, "draw") != NULL) {
6532 if (appData.zippyPlay && first.initDone) {
6533 /* Relay offer to ICS */
6534 SendToICS(ics_prefix);
6535 SendToICS("draw\n");
6538 cps->offeredDraw = 2; /* valid until this engine moves twice */
6539 if (gameMode == TwoMachinesPlay) {
6540 if (cps->other->offeredDraw) {
6541 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
6542 /* [HGM] in two-machine mode we delay relaying draw offer */
6543 /* until after we also have move, to see if it is really claim */
6547 if (cps->other->sendDrawOffers) {
6548 SendToProgram("draw\n", cps->other);
6552 } else if (gameMode == MachinePlaysWhite ||
6553 gameMode == MachinePlaysBlack) {
6554 if (userOfferedDraw) {
6555 DisplayInformation(_("Machine accepts your draw offer"));
6556 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
6558 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
6565 * Look for thinking output
6567 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
6568 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
6570 int plylev, mvleft, mvtot, curscore, time;
6571 char mvname[MOVE_LEN];
6575 int prefixHint = FALSE;
6576 mvname[0] = NULLCHAR;
6579 case MachinePlaysBlack:
6580 case IcsPlayingBlack:
6581 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
6583 case MachinePlaysWhite:
6584 case IcsPlayingWhite:
6585 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
6590 case IcsObserving: /* [DM] icsEngineAnalyze */
6591 if (!appData.icsEngineAnalyze) ignore = TRUE;
6593 case TwoMachinesPlay:
6594 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
6605 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
6606 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
6608 if (plyext != ' ' && plyext != '\t') {
6612 /* [AS] Negate score if machine is playing black and reporting absolute scores */
6613 if( cps->scoreIsAbsolute &&
6614 ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) )
6616 curscore = -curscore;
6620 programStats.depth = plylev;
6621 programStats.nodes = nodes;
6622 programStats.time = time;
6623 programStats.score = curscore;
6624 programStats.got_only_move = 0;
6626 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
6629 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
6630 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
6631 if(WhiteOnMove(forwardMostMove))
6632 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
6633 else blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
6636 /* Buffer overflow protection */
6637 if (buf1[0] != NULLCHAR) {
6638 if (strlen(buf1) >= sizeof(programStats.movelist)
6639 && appData.debugMode) {
6641 "PV is too long; using the first %d bytes.\n",
6642 sizeof(programStats.movelist) - 1);
6645 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
6647 sprintf(programStats.movelist, " no PV\n");
6650 if (programStats.seen_stat) {
6651 programStats.ok_to_send = 1;
6654 if (strchr(programStats.movelist, '(') != NULL) {
6655 programStats.line_is_book = 1;
6656 programStats.nr_moves = 0;
6657 programStats.moves_left = 0;
6659 programStats.line_is_book = 0;
6662 SendProgramStatsToFrontend( cps, &programStats );
6665 [AS] Protect the thinkOutput buffer from overflow... this
6666 is only useful if buf1 hasn't overflowed first!
6668 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
6670 (gameMode == TwoMachinesPlay ?
6671 ToUpper(cps->twoMachinesColor[0]) : ' '),
6672 ((double) curscore) / 100.0,
6673 prefixHint ? lastHint : "",
6674 prefixHint ? " " : "" );
6676 if( buf1[0] != NULLCHAR ) {
6677 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
6679 if( strlen(buf1) > max_len ) {
6680 if( appData.debugMode) {
6681 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
6683 buf1[max_len+1] = '\0';
6686 strcat( thinkOutput, buf1 );
6689 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
6690 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
6691 DisplayMove(currentMove - 1);
6696 } else if ((p=StrStr(message, "(only move)")) != NULL) {
6697 /* crafty (9.25+) says "(only move) <move>"
6698 * if there is only 1 legal move
6700 sscanf(p, "(only move) %s", buf1);
6701 sprintf(thinkOutput, "%s (only move)", buf1);
6702 sprintf(programStats.movelist, "%s (only move)", buf1);
6703 programStats.depth = 1;
6704 programStats.nr_moves = 1;
6705 programStats.moves_left = 1;
6706 programStats.nodes = 1;
6707 programStats.time = 1;
6708 programStats.got_only_move = 1;
6710 /* Not really, but we also use this member to
6711 mean "line isn't going to change" (Crafty
6712 isn't searching, so stats won't change) */
6713 programStats.line_is_book = 1;
6715 SendProgramStatsToFrontend( cps, &programStats );
6717 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
6718 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
6719 DisplayMove(currentMove - 1);
6723 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
6724 &time, &nodes, &plylev, &mvleft,
6725 &mvtot, mvname) >= 5) {
6726 /* The stat01: line is from Crafty (9.29+) in response
6727 to the "." command */
6728 programStats.seen_stat = 1;
6729 cps->maybeThinking = TRUE;
6731 if (programStats.got_only_move || !appData.periodicUpdates)
6734 programStats.depth = plylev;
6735 programStats.time = time;
6736 programStats.nodes = nodes;
6737 programStats.moves_left = mvleft;
6738 programStats.nr_moves = mvtot;
6739 strcpy(programStats.move_name, mvname);
6740 programStats.ok_to_send = 1;
6741 programStats.movelist[0] = '\0';
6743 SendProgramStatsToFrontend( cps, &programStats );
6748 } else if (strncmp(message,"++",2) == 0) {
6749 /* Crafty 9.29+ outputs this */
6750 programStats.got_fail = 2;
6753 } else if (strncmp(message,"--",2) == 0) {
6754 /* Crafty 9.29+ outputs this */
6755 programStats.got_fail = 1;
6758 } else if (thinkOutput[0] != NULLCHAR &&
6759 strncmp(message, " ", 4) == 0) {
6760 unsigned message_len;
6763 while (*p && *p == ' ') p++;
6765 message_len = strlen( p );
6767 /* [AS] Avoid buffer overflow */
6768 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
6769 strcat(thinkOutput, " ");
6770 strcat(thinkOutput, p);
6773 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
6774 strcat(programStats.movelist, " ");
6775 strcat(programStats.movelist, p);
6778 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
6779 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
6780 DisplayMove(currentMove - 1);
6789 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
6790 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
6792 ChessProgramStats cpstats;
6794 if (plyext != ' ' && plyext != '\t') {
6798 /* [AS] Negate score if machine is playing black and reporting absolute scores */
6799 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
6800 curscore = -curscore;
6803 cpstats.depth = plylev;
6804 cpstats.nodes = nodes;
6805 cpstats.time = time;
6806 cpstats.score = curscore;
6807 cpstats.got_only_move = 0;
6808 cpstats.movelist[0] = '\0';
6810 if (buf1[0] != NULLCHAR) {
6811 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
6814 cpstats.ok_to_send = 0;
6815 cpstats.line_is_book = 0;
6816 cpstats.nr_moves = 0;
6817 cpstats.moves_left = 0;
6819 SendProgramStatsToFrontend( cps, &cpstats );
6826 /* Parse a game score from the character string "game", and
6827 record it as the history of the current game. The game
6828 score is NOT assumed to start from the standard position.
6829 The display is not updated in any way.
6832 ParseGameHistory(game)
6836 int fromX, fromY, toX, toY, boardIndex;
6841 if (appData.debugMode)
6842 fprintf(debugFP, "Parsing game history: %s\n", game);
6844 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
6845 gameInfo.site = StrSave(appData.icsHost);
6846 gameInfo.date = PGNDate();
6847 gameInfo.round = StrSave("-");
6849 /* Parse out names of players */
6850 while (*game == ' ') game++;
6852 while (*game != ' ') *p++ = *game++;
6854 gameInfo.white = StrSave(buf);
6855 while (*game == ' ') game++;
6857 while (*game != ' ' && *game != '\n') *p++ = *game++;
6859 gameInfo.black = StrSave(buf);
6862 boardIndex = blackPlaysFirst ? 1 : 0;
6865 yyboardindex = boardIndex;
6866 moveType = (ChessMove) yylex();
6868 case IllegalMove: /* maybe suicide chess, etc. */
6869 if (appData.debugMode) {
6870 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
6871 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
6872 setbuf(debugFP, NULL);
6874 case WhitePromotionChancellor:
6875 case BlackPromotionChancellor:
6876 case WhitePromotionArchbishop:
6877 case BlackPromotionArchbishop:
6878 case WhitePromotionQueen:
6879 case BlackPromotionQueen:
6880 case WhitePromotionRook:
6881 case BlackPromotionRook:
6882 case WhitePromotionBishop:
6883 case BlackPromotionBishop:
6884 case WhitePromotionKnight:
6885 case BlackPromotionKnight:
6886 case WhitePromotionKing:
6887 case BlackPromotionKing:
6889 case WhiteCapturesEnPassant:
6890 case BlackCapturesEnPassant:
6891 case WhiteKingSideCastle:
6892 case WhiteQueenSideCastle:
6893 case BlackKingSideCastle:
6894 case BlackQueenSideCastle:
6895 case WhiteKingSideCastleWild:
6896 case WhiteQueenSideCastleWild:
6897 case BlackKingSideCastleWild:
6898 case BlackQueenSideCastleWild:
6900 case WhiteHSideCastleFR:
6901 case WhiteASideCastleFR:
6902 case BlackHSideCastleFR:
6903 case BlackASideCastleFR:
6905 fromX = currentMoveString[0] - AAA;
6906 fromY = currentMoveString[1] - ONE;
6907 toX = currentMoveString[2] - AAA;
6908 toY = currentMoveString[3] - ONE;
6909 promoChar = currentMoveString[4];
6913 fromX = moveType == WhiteDrop ?
6914 (int) CharToPiece(ToUpper(currentMoveString[0])) :
6915 (int) CharToPiece(ToLower(currentMoveString[0]));
6917 toX = currentMoveString[2] - AAA;
6918 toY = currentMoveString[3] - ONE;
6919 promoChar = NULLCHAR;
6923 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
6924 if (appData.debugMode) {
6925 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
6926 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
6927 setbuf(debugFP, NULL);
6929 DisplayError(buf, 0);
6931 case ImpossibleMove:
6933 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
6934 if (appData.debugMode) {
6935 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
6936 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
6937 setbuf(debugFP, NULL);
6939 DisplayError(buf, 0);
6941 case (ChessMove) 0: /* end of file */
6942 if (boardIndex < backwardMostMove) {
6943 /* Oops, gap. How did that happen? */
6944 DisplayError(_("Gap in move list"), 0);
6947 backwardMostMove = blackPlaysFirst ? 1 : 0;
6948 if (boardIndex > forwardMostMove) {
6949 forwardMostMove = boardIndex;
6953 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
6954 strcat(parseList[boardIndex-1], " ");
6955 strcat(parseList[boardIndex-1], yy_text);
6967 case GameUnfinished:
6968 if (gameMode == IcsExamining) {
6969 if (boardIndex < backwardMostMove) {
6970 /* Oops, gap. How did that happen? */
6973 backwardMostMove = blackPlaysFirst ? 1 : 0;
6976 gameInfo.result = moveType;
6977 p = strchr(yy_text, '{');
6978 if (p == NULL) p = strchr(yy_text, '(');
6981 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
6983 q = strchr(p, *p == '{' ? '}' : ')');
6984 if (q != NULL) *q = NULLCHAR;
6987 gameInfo.resultDetails = StrSave(p);
6990 if (boardIndex >= forwardMostMove &&
6991 !(gameMode == IcsObserving && ics_gamenum == -1)) {
6992 backwardMostMove = blackPlaysFirst ? 1 : 0;
6995 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
6996 EP_UNKNOWN, fromY, fromX, toY, toX, promoChar,
6997 parseList[boardIndex]);
6998 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
6999 {int i; for(i=0; i<BOARD_SIZE; i++) castlingRights[boardIndex+1][i] = castlingRights[boardIndex][i];}
7000 /* currentMoveString is set as a side-effect of yylex */
7001 strcpy(moveList[boardIndex], currentMoveString);
7002 strcat(moveList[boardIndex], "\n");
7004 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex],
7005 castlingRights[boardIndex], &epStatus[boardIndex]);
7006 switch (MateTest(boards[boardIndex], PosFlags(boardIndex),
7007 EP_UNKNOWN, castlingRights[boardIndex]) ) {
7013 if(gameInfo.variant != VariantShogi)
7014 strcat(parseList[boardIndex - 1], "+");
7018 strcat(parseList[boardIndex - 1], "#");
7025 /* Apply a move to the given board */
7027 ApplyMove(fromX, fromY, toX, toY, promoChar, board, castling, ep)
7028 int fromX, fromY, toX, toY;
7034 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
7036 /* [HGM] compute & store e.p. status and castling rights for new position */
7037 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
7040 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
7044 if( board[toY][toX] != EmptySquare )
7047 if( board[fromY][fromX] == WhitePawn ) {
7048 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7051 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
7052 gameInfo.variant != VariantBerolina || toX < fromX)
7053 *ep = toX | berolina;
7054 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
7055 gameInfo.variant != VariantBerolina || toX > fromX)
7059 if( board[fromY][fromX] == BlackPawn ) {
7060 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7062 if( toY-fromY== -2) {
7063 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
7064 gameInfo.variant != VariantBerolina || toX < fromX)
7065 *ep = toX | berolina;
7066 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
7067 gameInfo.variant != VariantBerolina || toX > fromX)
7072 for(i=0; i<nrCastlingRights; i++) {
7073 if(castling[i] == fromX && castlingRank[i] == fromY ||
7074 castling[i] == toX && castlingRank[i] == toY
7075 ) castling[i] = -1; // revoke for moved or captured piece
7080 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
7081 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier)
7082 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
7084 if (fromX == toX && fromY == toY) return;
7086 if (fromY == DROP_RANK) {
7088 piece = board[toY][toX] = (ChessSquare) fromX;
7090 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
7091 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
7092 if(gameInfo.variant == VariantKnightmate)
7093 king += (int) WhiteUnicorn - (int) WhiteKing;
7095 /* Code added by Tord: */
7096 /* FRC castling assumed when king captures friendly rook. */
7097 if (board[fromY][fromX] == WhiteKing &&
7098 board[toY][toX] == WhiteRook) {
7099 board[fromY][fromX] = EmptySquare;
7100 board[toY][toX] = EmptySquare;
7102 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
7104 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
7106 } else if (board[fromY][fromX] == BlackKing &&
7107 board[toY][toX] == BlackRook) {
7108 board[fromY][fromX] = EmptySquare;
7109 board[toY][toX] = EmptySquare;
7111 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
7113 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
7115 /* End of code added by Tord */
7117 } else if (board[fromY][fromX] == king
7118 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7119 && toY == fromY && toX > fromX+1) {
7120 board[fromY][fromX] = EmptySquare;
7121 board[toY][toX] = king;
7122 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7123 board[fromY][BOARD_RGHT-1] = EmptySquare;
7124 } else if (board[fromY][fromX] == king
7125 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7126 && toY == fromY && toX < fromX-1) {
7127 board[fromY][fromX] = EmptySquare;
7128 board[toY][toX] = king;
7129 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7130 board[fromY][BOARD_LEFT] = EmptySquare;
7131 } else if (board[fromY][fromX] == WhitePawn
7132 && toY == BOARD_HEIGHT-1
7133 && gameInfo.variant != VariantXiangqi
7135 /* white pawn promotion */
7136 board[toY][toX] = CharToPiece(ToUpper(promoChar));
7137 if (board[toY][toX] == EmptySquare) {
7138 board[toY][toX] = WhiteQueen;
7140 if(gameInfo.variant==VariantBughouse ||
7141 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7142 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7143 board[fromY][fromX] = EmptySquare;
7144 } else if ((fromY == BOARD_HEIGHT-4)
7146 && gameInfo.variant != VariantXiangqi
7147 && gameInfo.variant != VariantBerolina
7148 && (board[fromY][fromX] == WhitePawn)
7149 && (board[toY][toX] == EmptySquare)) {
7150 board[fromY][fromX] = EmptySquare;
7151 board[toY][toX] = WhitePawn;
7152 captured = board[toY - 1][toX];
7153 board[toY - 1][toX] = EmptySquare;
7154 } else if ((fromY == BOARD_HEIGHT-4)
7156 && gameInfo.variant == VariantBerolina
7157 && (board[fromY][fromX] == WhitePawn)
7158 && (board[toY][toX] == EmptySquare)) {
7159 board[fromY][fromX] = EmptySquare;
7160 board[toY][toX] = WhitePawn;
7161 if(oldEP & EP_BEROLIN_A) {
7162 captured = board[fromY][fromX-1];
7163 board[fromY][fromX-1] = EmptySquare;
7164 }else{ captured = board[fromY][fromX+1];
7165 board[fromY][fromX+1] = EmptySquare;
7167 } else if (board[fromY][fromX] == king
7168 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7169 && toY == fromY && toX > fromX+1) {
7170 board[fromY][fromX] = EmptySquare;
7171 board[toY][toX] = king;
7172 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7173 board[fromY][BOARD_RGHT-1] = EmptySquare;
7174 } else if (board[fromY][fromX] == king
7175 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7176 && toY == fromY && toX < fromX-1) {
7177 board[fromY][fromX] = EmptySquare;
7178 board[toY][toX] = king;
7179 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7180 board[fromY][BOARD_LEFT] = EmptySquare;
7181 } else if (fromY == 7 && fromX == 3
7182 && board[fromY][fromX] == BlackKing
7183 && toY == 7 && toX == 5) {
7184 board[fromY][fromX] = EmptySquare;
7185 board[toY][toX] = BlackKing;
7186 board[fromY][7] = EmptySquare;
7187 board[toY][4] = BlackRook;
7188 } else if (fromY == 7 && fromX == 3
7189 && board[fromY][fromX] == BlackKing
7190 && toY == 7 && toX == 1) {
7191 board[fromY][fromX] = EmptySquare;
7192 board[toY][toX] = BlackKing;
7193 board[fromY][0] = EmptySquare;
7194 board[toY][2] = BlackRook;
7195 } else if (board[fromY][fromX] == BlackPawn
7197 && gameInfo.variant != VariantXiangqi
7199 /* black pawn promotion */
7200 board[0][toX] = CharToPiece(ToLower(promoChar));
7201 if (board[0][toX] == EmptySquare) {
7202 board[0][toX] = BlackQueen;
7204 if(gameInfo.variant==VariantBughouse ||
7205 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7206 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7207 board[fromY][fromX] = EmptySquare;
7208 } else if ((fromY == 3)
7210 && gameInfo.variant != VariantXiangqi
7211 && gameInfo.variant != VariantBerolina
7212 && (board[fromY][fromX] == BlackPawn)
7213 && (board[toY][toX] == EmptySquare)) {
7214 board[fromY][fromX] = EmptySquare;
7215 board[toY][toX] = BlackPawn;
7216 captured = board[toY + 1][toX];
7217 board[toY + 1][toX] = EmptySquare;
7218 } else if ((fromY == 3)
7220 && gameInfo.variant == VariantBerolina
7221 && (board[fromY][fromX] == BlackPawn)
7222 && (board[toY][toX] == EmptySquare)) {
7223 board[fromY][fromX] = EmptySquare;
7224 board[toY][toX] = BlackPawn;
7225 if(oldEP & EP_BEROLIN_A) {
7226 captured = board[fromY][fromX-1];
7227 board[fromY][fromX-1] = EmptySquare;
7228 }else{ captured = board[fromY][fromX+1];
7229 board[fromY][fromX+1] = EmptySquare;
7232 board[toY][toX] = board[fromY][fromX];
7233 board[fromY][fromX] = EmptySquare;
7236 /* [HGM] now we promote for Shogi, if needed */
7237 if(gameInfo.variant == VariantShogi && promoChar == 'q')
7238 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7241 if (gameInfo.holdingsWidth != 0) {
7243 /* !!A lot more code needs to be written to support holdings */
7244 /* [HGM] OK, so I have written it. Holdings are stored in the */
7245 /* penultimate board files, so they are automaticlly stored */
7246 /* in the game history. */
7247 if (fromY == DROP_RANK) {
7248 /* Delete from holdings, by decreasing count */
7249 /* and erasing image if necessary */
7251 if(p < (int) BlackPawn) { /* white drop */
7252 p -= (int)WhitePawn;
7253 if(p >= gameInfo.holdingsSize) p = 0;
7254 if(--board[p][BOARD_WIDTH-2] == 0)
7255 board[p][BOARD_WIDTH-1] = EmptySquare;
7256 } else { /* black drop */
7257 p -= (int)BlackPawn;
7258 if(p >= gameInfo.holdingsSize) p = 0;
7259 if(--board[BOARD_HEIGHT-1-p][1] == 0)
7260 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
7263 if (captured != EmptySquare && gameInfo.holdingsSize > 0
7264 && gameInfo.variant != VariantBughouse ) {
7265 /* [HGM] holdings: Add to holdings, if holdings exist */
7266 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
7267 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
7268 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
7271 if (p >= (int) BlackPawn) {
7272 p -= (int)BlackPawn;
7273 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7274 /* in Shogi restore piece to its original first */
7275 captured = (ChessSquare) (DEMOTED captured);
7278 p = PieceToNumber((ChessSquare)p);
7279 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
7280 board[p][BOARD_WIDTH-2]++;
7281 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
7283 p -= (int)WhitePawn;
7284 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7285 captured = (ChessSquare) (DEMOTED captured);
7288 p = PieceToNumber((ChessSquare)p);
7289 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
7290 board[BOARD_HEIGHT-1-p][1]++;
7291 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
7295 } else if (gameInfo.variant == VariantAtomic) {
7296 if (captured != EmptySquare) {
7298 for (y = toY-1; y <= toY+1; y++) {
7299 for (x = toX-1; x <= toX+1; x++) {
7300 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
7301 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
7302 board[y][x] = EmptySquare;
7306 board[toY][toX] = EmptySquare;
7309 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
7310 /* [HGM] Shogi promotions */
7311 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7314 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
7315 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
7316 // [HGM] superchess: take promotion piece out of holdings
7317 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7318 if((int)piece < (int)BlackPawn) { // determine stm from piece color
7319 if(!--board[k][BOARD_WIDTH-2])
7320 board[k][BOARD_WIDTH-1] = EmptySquare;
7322 if(!--board[BOARD_HEIGHT-1-k][1])
7323 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
7329 /* Updates forwardMostMove */
7331 MakeMove(fromX, fromY, toX, toY, promoChar)
7332 int fromX, fromY, toX, toY;
7335 // forwardMostMove++; // [HGM] bare: moved downstream
7337 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
7338 int timeLeft; static int lastLoadFlag=0; int king, piece;
7339 piece = boards[forwardMostMove][fromY][fromX];
7340 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
7341 if(gameInfo.variant == VariantKnightmate)
7342 king += (int) WhiteUnicorn - (int) WhiteKing;
7343 if(forwardMostMove == 0) {
7345 fprintf(serverMoves, "%s;", second.tidy);
7346 fprintf(serverMoves, "%s;", first.tidy);
7347 if(!blackPlaysFirst)
7348 fprintf(serverMoves, "%s;", second.tidy);
7349 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
7350 lastLoadFlag = loadFlag;
7352 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
7353 // print castling suffix
7354 if( toY == fromY && piece == king ) {
7356 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
7358 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
7361 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
7362 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
7363 boards[forwardMostMove][toY][toX] == EmptySquare
7365 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
7367 if(promoChar != NULLCHAR)
7368 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
7370 fprintf(serverMoves, "/%d/%d",
7371 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
7372 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
7373 else timeLeft = blackTimeRemaining/1000;
7374 fprintf(serverMoves, "/%d", timeLeft);
7376 fflush(serverMoves);
7379 if (forwardMostMove+1 >= MAX_MOVES) {
7380 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
7385 timeRemaining[0][forwardMostMove+1] = whiteTimeRemaining;
7386 timeRemaining[1][forwardMostMove+1] = blackTimeRemaining;
7387 if (commentList[forwardMostMove+1] != NULL) {
7388 free(commentList[forwardMostMove+1]);
7389 commentList[forwardMostMove+1] = NULL;
7391 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7392 {int i; for(i=0; i<BOARD_SIZE; i++) castlingRights[forwardMostMove+1][i] = castlingRights[forwardMostMove][i];}
7393 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1],
7394 castlingRights[forwardMostMove+1], &epStatus[forwardMostMove+1]);
7395 forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
7396 gameInfo.result = GameUnfinished;
7397 if (gameInfo.resultDetails != NULL) {
7398 free(gameInfo.resultDetails);
7399 gameInfo.resultDetails = NULL;
7401 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
7402 moveList[forwardMostMove - 1]);
7403 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
7404 PosFlags(forwardMostMove - 1), EP_UNKNOWN,
7405 fromY, fromX, toY, toX, promoChar,
7406 parseList[forwardMostMove - 1]);
7407 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7408 epStatus[forwardMostMove], /* [HGM] use true e.p. */
7409 castlingRights[forwardMostMove]) ) {
7415 if(gameInfo.variant != VariantShogi)
7416 strcat(parseList[forwardMostMove - 1], "+");
7420 strcat(parseList[forwardMostMove - 1], "#");
7423 if (appData.debugMode) {
7424 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
7429 /* Updates currentMove if not pausing */
7431 ShowMove(fromX, fromY, toX, toY)
7433 int instant = (gameMode == PlayFromGameFile) ?
7434 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
7435 if(appData.noGUI) return;
7436 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
7438 if (forwardMostMove == currentMove + 1) {
7439 AnimateMove(boards[forwardMostMove - 1],
7440 fromX, fromY, toX, toY);
7442 if (appData.highlightLastMove) {
7443 SetHighlights(fromX, fromY, toX, toY);
7446 currentMove = forwardMostMove;
7449 if (instant) return;
7451 DisplayMove(currentMove - 1);
7452 DrawPosition(FALSE, boards[currentMove]);
7453 DisplayBothClocks();
7454 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
7457 void SendEgtPath(ChessProgramState *cps)
7458 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
7459 char buf[MSG_SIZ], name[MSG_SIZ], *p;
7461 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
7464 char c, *q = name+1, *r, *s;
7466 name[0] = ','; // extract next format name from feature and copy with prefixed ','
7467 while(*p && *p != ',') *q++ = *p++;
7469 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
7470 strcmp(name, ",nalimov:") == 0 ) {
7471 // take nalimov path from the menu-changeable option first, if it is defined
7472 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
7473 SendToProgram(buf,cps); // send egtbpath command for nalimov
7475 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
7476 (s = StrStr(appData.egtFormats, name)) != NULL) {
7477 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
7478 s = r = StrStr(s, ":") + 1; // beginning of path info
7479 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
7480 c = *r; *r = 0; // temporarily null-terminate path info
7481 *--q = 0; // strip of trailig ':' from name
7482 sprintf(buf, "egtbpath %s %s\n", name+1, s);
7484 SendToProgram(buf,cps); // send egtbpath command for this format
7486 if(*p == ',') p++; // read away comma to position for next format name
7491 InitChessProgram(cps, setup)
7492 ChessProgramState *cps;
7493 int setup; /* [HGM] needed to setup FRC opening position */
7495 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
7496 if (appData.noChessProgram) return;
7497 hintRequested = FALSE;
7498 bookRequested = FALSE;
7500 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
7501 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
7502 if(cps->memSize) { /* [HGM] memory */
7503 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
7504 SendToProgram(buf, cps);
7506 SendEgtPath(cps); /* [HGM] EGT */
7507 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
7508 sprintf(buf, "cores %d\n", appData.smpCores);
7509 SendToProgram(buf, cps);
7512 SendToProgram(cps->initString, cps);
7513 if (gameInfo.variant != VariantNormal &&
7514 gameInfo.variant != VariantLoadable
7515 /* [HGM] also send variant if board size non-standard */
7516 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
7518 char *v = VariantName(gameInfo.variant);
7519 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
7520 /* [HGM] in protocol 1 we have to assume all variants valid */
7521 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
7522 DisplayFatalError(buf, 0, 1);
7526 /* [HGM] make prefix for non-standard board size. Awkward testing... */
7527 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7528 if( gameInfo.variant == VariantXiangqi )
7529 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
7530 if( gameInfo.variant == VariantShogi )
7531 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
7532 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
7533 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
7534 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
7535 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
7536 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7537 if( gameInfo.variant == VariantCourier )
7538 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7539 if( gameInfo.variant == VariantSuper )
7540 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
7541 if( gameInfo.variant == VariantGreat )
7542 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
7545 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
7546 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
7547 /* [HGM] varsize: try first if this defiant size variant is specifically known */
7548 if(StrStr(cps->variants, b) == NULL) {
7549 // specific sized variant not known, check if general sizing allowed
7550 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
7551 if(StrStr(cps->variants, "boardsize") == NULL) {
7552 sprintf(buf, "Board size %dx%d+%d not supported by %s",
7553 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
7554 DisplayFatalError(buf, 0, 1);
7557 /* [HGM] here we really should compare with the maximum supported board size */
7560 } else sprintf(b, "%s", VariantName(gameInfo.variant));
7561 sprintf(buf, "variant %s\n", b);
7562 SendToProgram(buf, cps);
7564 currentlyInitializedVariant = gameInfo.variant;
7566 /* [HGM] send opening position in FRC to first engine */
7568 SendToProgram("force\n", cps);
7570 /* engine is now in force mode! Set flag to wake it up after first move. */
7571 setboardSpoiledMachineBlack = 1;
7575 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
7576 SendToProgram(buf, cps);
7578 cps->maybeThinking = FALSE;
7579 cps->offeredDraw = 0;
7580 if (!appData.icsActive) {
7581 SendTimeControl(cps, movesPerSession, timeControl,
7582 timeIncrement, appData.searchDepth,
7585 if (appData.showThinking
7586 // [HGM] thinking: four options require thinking output to be sent
7587 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7589 SendToProgram("post\n", cps);
7591 SendToProgram("hard\n", cps);
7592 if (!appData.ponderNextMove) {
7593 /* Warning: "easy" is a toggle in GNU Chess, so don't send
7594 it without being sure what state we are in first. "hard"
7595 is not a toggle, so that one is OK.
7597 SendToProgram("easy\n", cps);
7600 sprintf(buf, "ping %d\n", ++cps->lastPing);
7601 SendToProgram(buf, cps);
7603 cps->initDone = TRUE;
7608 StartChessProgram(cps)
7609 ChessProgramState *cps;
7614 if (appData.noChessProgram) return;
7615 cps->initDone = FALSE;
7617 if (strcmp(cps->host, "localhost") == 0) {
7618 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
7619 } else if (*appData.remoteShell == NULLCHAR) {
7620 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
7622 if (*appData.remoteUser == NULLCHAR) {
7623 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
7626 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
7627 cps->host, appData.remoteUser, cps->program);
7629 err = StartChildProcess(buf, "", &cps->pr);
7633 sprintf(buf, _("Startup failure on '%s'"), cps->program);
7634 DisplayFatalError(buf, err, 1);
7640 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
7641 if (cps->protocolVersion > 1) {
7642 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
7643 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
7644 cps->comboCnt = 0; // and values of combo boxes
7645 SendToProgram(buf, cps);
7647 SendToProgram("xboard\n", cps);
7653 TwoMachinesEventIfReady P((void))
7655 if (first.lastPing != first.lastPong) {
7656 DisplayMessage("", _("Waiting for first chess program"));
7657 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
7660 if (second.lastPing != second.lastPong) {
7661 DisplayMessage("", _("Waiting for second chess program"));
7662 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
7670 NextMatchGame P((void))
7672 int index; /* [HGM] autoinc: step lod index during match */
7674 if (*appData.loadGameFile != NULLCHAR) {
7675 index = appData.loadGameIndex;
7676 if(index < 0) { // [HGM] autoinc
7677 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
7678 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
7680 LoadGameFromFile(appData.loadGameFile,
7682 appData.loadGameFile, FALSE);
7683 } else if (*appData.loadPositionFile != NULLCHAR) {
7684 index = appData.loadPositionIndex;
7685 if(index < 0) { // [HGM] autoinc
7686 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
7687 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
7689 LoadPositionFromFile(appData.loadPositionFile,
7691 appData.loadPositionFile);
7693 TwoMachinesEventIfReady();
7696 void UserAdjudicationEvent( int result )
7698 ChessMove gameResult = GameIsDrawn;
7701 gameResult = WhiteWins;
7703 else if( result < 0 ) {
7704 gameResult = BlackWins;
7707 if( gameMode == TwoMachinesPlay ) {
7708 GameEnds( gameResult, "User adjudication", GE_XBOARD );
7714 GameEnds(result, resultDetails, whosays)
7716 char *resultDetails;
7719 GameMode nextGameMode;
7723 if(endingGame) return; /* [HGM] crash: forbid recursion */
7726 if (appData.debugMode) {
7727 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
7728 result, resultDetails ? resultDetails : "(null)", whosays);
7731 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
7732 /* If we are playing on ICS, the server decides when the
7733 game is over, but the engine can offer to draw, claim
7737 if (appData.zippyPlay && first.initDone) {
7738 if (result == GameIsDrawn) {
7739 /* In case draw still needs to be claimed */
7740 SendToICS(ics_prefix);
7741 SendToICS("draw\n");
7742 } else if (StrCaseStr(resultDetails, "resign")) {
7743 SendToICS(ics_prefix);
7744 SendToICS("resign\n");
7748 endingGame = 0; /* [HGM] crash */
7752 /* If we're loading the game from a file, stop */
7753 if (whosays == GE_FILE) {
7754 (void) StopLoadGameTimer();
7758 /* Cancel draw offers */
7759 first.offeredDraw = second.offeredDraw = 0;
7761 /* If this is an ICS game, only ICS can really say it's done;
7762 if not, anyone can. */
7763 isIcsGame = (gameMode == IcsPlayingWhite ||
7764 gameMode == IcsPlayingBlack ||
7765 gameMode == IcsObserving ||
7766 gameMode == IcsExamining);
7768 if (!isIcsGame || whosays == GE_ICS) {
7769 /* OK -- not an ICS game, or ICS said it was done */
7771 if (!isIcsGame && !appData.noChessProgram)
7772 SetUserThinkingEnables();
7774 /* [HGM] if a machine claims the game end we verify this claim */
7775 if(gameMode == TwoMachinesPlay && appData.testClaims) {
7776 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
7778 ChessMove trueResult = (ChessMove) -1;
7780 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
7781 first.twoMachinesColor[0] :
7782 second.twoMachinesColor[0] ;
7784 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
7785 if(epStatus[forwardMostMove] == EP_CHECKMATE) {
7786 /* [HGM] verify: engine mate claims accepted if they were flagged */
7787 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
7789 if(epStatus[forwardMostMove] == EP_WINS) { // added code for games where being mated is a win
7790 /* [HGM] verify: engine mate claims accepted if they were flagged */
7791 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7793 if(epStatus[forwardMostMove] == EP_STALEMATE) { // only used to indicate draws now
7794 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
7797 // now verify win claims, but not in drop games, as we don't understand those yet
7798 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
7799 || gameInfo.variant == VariantGreat) &&
7800 (result == WhiteWins && claimer == 'w' ||
7801 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
7802 if (appData.debugMode) {
7803 fprintf(debugFP, "result=%d sp=%d move=%d\n",
7804 result, epStatus[forwardMostMove], forwardMostMove);
7806 if(result != trueResult) {
7807 sprintf(buf, "False win claim: '%s'", resultDetails);
7808 result = claimer == 'w' ? BlackWins : WhiteWins;
7809 resultDetails = buf;
7812 if( result == GameIsDrawn && epStatus[forwardMostMove] > EP_DRAWS
7813 && (forwardMostMove <= backwardMostMove ||
7814 epStatus[forwardMostMove-1] > EP_DRAWS ||
7815 (claimer=='b')==(forwardMostMove&1))
7817 /* [HGM] verify: draws that were not flagged are false claims */
7818 sprintf(buf, "False draw claim: '%s'", resultDetails);
7819 result = claimer == 'w' ? BlackWins : WhiteWins;
7820 resultDetails = buf;
7822 /* (Claiming a loss is accepted no questions asked!) */
7824 /* [HGM] bare: don't allow bare King to win */
7825 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
7826 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
7827 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
7828 && result != GameIsDrawn)
7829 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
7830 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
7831 int p = (int)boards[forwardMostMove][i][j] - color;
7832 if(p >= 0 && p <= (int)WhiteKing) k++;
7834 if (appData.debugMode) {
7835 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
7836 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
7839 result = GameIsDrawn;
7840 sprintf(buf, "%s but bare king", resultDetails);
7841 resultDetails = buf;
7847 if(serverMoves != NULL && !loadFlag) { char c = '=';
7848 if(result==WhiteWins) c = '+';
7849 if(result==BlackWins) c = '-';
7850 if(resultDetails != NULL)
7851 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
7853 if (resultDetails != NULL) {
7854 gameInfo.result = result;
7855 gameInfo.resultDetails = StrSave(resultDetails);
7857 /* display last move only if game was not loaded from file */
7858 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
7859 DisplayMove(currentMove - 1);
7861 if (forwardMostMove != 0) {
7862 if (gameMode != PlayFromGameFile && gameMode != EditGame) {
7863 if (*appData.saveGameFile != NULLCHAR) {
7864 SaveGameToFile(appData.saveGameFile, TRUE);
7865 } else if (appData.autoSaveGames) {
7868 if (*appData.savePositionFile != NULLCHAR) {
7869 SavePositionToFile(appData.savePositionFile);
7874 /* Tell program how game ended in case it is learning */
7875 /* [HGM] Moved this to after saving the PGN, just in case */
7876 /* engine died and we got here through time loss. In that */
7877 /* case we will get a fatal error writing the pipe, which */
7878 /* would otherwise lose us the PGN. */
7879 /* [HGM] crash: not needed anymore, but doesn't hurt; */
7880 /* output during GameEnds should never be fatal anymore */
7881 if (gameMode == MachinePlaysWhite ||
7882 gameMode == MachinePlaysBlack ||
7883 gameMode == TwoMachinesPlay ||
7884 gameMode == IcsPlayingWhite ||
7885 gameMode == IcsPlayingBlack ||
7886 gameMode == BeginningOfGame) {
7888 sprintf(buf, "result %s {%s}\n", PGNResult(result),
7890 if (first.pr != NoProc) {
7891 SendToProgram(buf, &first);
7893 if (second.pr != NoProc &&
7894 gameMode == TwoMachinesPlay) {
7895 SendToProgram(buf, &second);
7900 if (appData.icsActive) {
7901 if (appData.quietPlay &&
7902 (gameMode == IcsPlayingWhite ||
7903 gameMode == IcsPlayingBlack)) {
7904 SendToICS(ics_prefix);
7905 SendToICS("set shout 1\n");
7907 nextGameMode = IcsIdle;
7908 ics_user_moved = FALSE;
7909 /* clean up premove. It's ugly when the game has ended and the
7910 * premove highlights are still on the board.
7914 ClearPremoveHighlights();
7915 DrawPosition(FALSE, boards[currentMove]);
7917 if (whosays == GE_ICS) {
7920 if (gameMode == IcsPlayingWhite)
7922 else if(gameMode == IcsPlayingBlack)
7926 if (gameMode == IcsPlayingBlack)
7928 else if(gameMode == IcsPlayingWhite)
7935 PlayIcsUnfinishedSound();
7938 } else if (gameMode == EditGame ||
7939 gameMode == PlayFromGameFile ||
7940 gameMode == AnalyzeMode ||
7941 gameMode == AnalyzeFile) {
7942 nextGameMode = gameMode;
7944 nextGameMode = EndOfGame;
7949 nextGameMode = gameMode;
7952 if (appData.noChessProgram) {
7953 gameMode = nextGameMode;
7955 endingGame = 0; /* [HGM] crash */
7960 /* Put first chess program into idle state */
7961 if (first.pr != NoProc &&
7962 (gameMode == MachinePlaysWhite ||
7963 gameMode == MachinePlaysBlack ||
7964 gameMode == TwoMachinesPlay ||
7965 gameMode == IcsPlayingWhite ||
7966 gameMode == IcsPlayingBlack ||
7967 gameMode == BeginningOfGame)) {
7968 SendToProgram("force\n", &first);
7969 if (first.usePing) {
7971 sprintf(buf, "ping %d\n", ++first.lastPing);
7972 SendToProgram(buf, &first);
7975 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
7976 /* Kill off first chess program */
7977 if (first.isr != NULL)
7978 RemoveInputSource(first.isr);
7981 if (first.pr != NoProc) {
7983 DoSleep( appData.delayBeforeQuit );
7984 SendToProgram("quit\n", &first);
7985 DoSleep( appData.delayAfterQuit );
7986 DestroyChildProcess(first.pr, first.useSigterm);
7991 /* Put second chess program into idle state */
7992 if (second.pr != NoProc &&
7993 gameMode == TwoMachinesPlay) {
7994 SendToProgram("force\n", &second);
7995 if (second.usePing) {
7997 sprintf(buf, "ping %d\n", ++second.lastPing);
7998 SendToProgram(buf, &second);
8001 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8002 /* Kill off second chess program */
8003 if (second.isr != NULL)
8004 RemoveInputSource(second.isr);
8007 if (second.pr != NoProc) {
8008 DoSleep( appData.delayBeforeQuit );
8009 SendToProgram("quit\n", &second);
8010 DoSleep( appData.delayAfterQuit );
8011 DestroyChildProcess(second.pr, second.useSigterm);
8016 if (matchMode && gameMode == TwoMachinesPlay) {
8019 if (first.twoMachinesColor[0] == 'w') {
8026 if (first.twoMachinesColor[0] == 'b') {
8035 if (matchGame < appData.matchGames) {
8037 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
8038 tmp = first.twoMachinesColor;
8039 first.twoMachinesColor = second.twoMachinesColor;
8040 second.twoMachinesColor = tmp;
8042 gameMode = nextGameMode;
8044 if(appData.matchPause>10000 || appData.matchPause<10)
8045 appData.matchPause = 10000; /* [HGM] make pause adjustable */
8046 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
8047 endingGame = 0; /* [HGM] crash */
8051 gameMode = nextGameMode;
8052 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
8053 first.tidy, second.tidy,
8054 first.matchWins, second.matchWins,
8055 appData.matchGames - (first.matchWins + second.matchWins));
8056 DisplayFatalError(buf, 0, 0);
8059 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
8060 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
8062 gameMode = nextGameMode;
8064 endingGame = 0; /* [HGM] crash */
8067 /* Assumes program was just initialized (initString sent).
8068 Leaves program in force mode. */
8070 FeedMovesToProgram(cps, upto)
8071 ChessProgramState *cps;
8076 if (appData.debugMode)
8077 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
8078 startedFromSetupPosition ? "position and " : "",
8079 backwardMostMove, upto, cps->which);
8080 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
8081 // [HGM] variantswitch: make engine aware of new variant
8082 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
8083 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
8084 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
8085 SendToProgram(buf, cps);
8086 currentlyInitializedVariant = gameInfo.variant;
8088 SendToProgram("force\n", cps);
8089 if (startedFromSetupPosition) {
8090 SendBoard(cps, backwardMostMove);
8091 if (appData.debugMode) {
8092 fprintf(debugFP, "feedMoves\n");
8095 for (i = backwardMostMove; i < upto; i++) {
8096 SendMoveToProgram(i, cps);
8102 ResurrectChessProgram()
8104 /* The chess program may have exited.
8105 If so, restart it and feed it all the moves made so far. */
8107 if (appData.noChessProgram || first.pr != NoProc) return;
8109 StartChessProgram(&first);
8110 InitChessProgram(&first, FALSE);
8111 FeedMovesToProgram(&first, currentMove);
8113 if (!first.sendTime) {
8114 /* can't tell gnuchess what its clock should read,
8115 so we bow to its notion. */
8117 timeRemaining[0][currentMove] = whiteTimeRemaining;
8118 timeRemaining[1][currentMove] = blackTimeRemaining;
8121 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
8122 appData.icsEngineAnalyze) && first.analysisSupport) {
8123 SendToProgram("analyze\n", &first);
8124 first.analyzing = TRUE;
8137 if (appData.debugMode) {
8138 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
8139 redraw, init, gameMode);
8141 pausing = pauseExamInvalid = FALSE;
8142 startedFromSetupPosition = blackPlaysFirst = FALSE;
8144 whiteFlag = blackFlag = FALSE;
8145 userOfferedDraw = FALSE;
8146 hintRequested = bookRequested = FALSE;
8147 first.maybeThinking = FALSE;
8148 second.maybeThinking = FALSE;
8149 first.bookSuspend = FALSE; // [HGM] book
8150 second.bookSuspend = FALSE;
8151 thinkOutput[0] = NULLCHAR;
8152 lastHint[0] = NULLCHAR;
8153 ClearGameInfo(&gameInfo);
8154 gameInfo.variant = StringToVariant(appData.variant);
8155 ics_user_moved = ics_clock_paused = FALSE;
8156 ics_getting_history = H_FALSE;
8158 white_holding[0] = black_holding[0] = NULLCHAR;
8159 ClearProgramStats();
8160 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
8164 flipView = appData.flipView;
8165 ClearPremoveHighlights();
8167 alarmSounded = FALSE;
8169 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
8170 if(appData.serverMovesName != NULL) {
8171 /* [HGM] prepare to make moves file for broadcasting */
8172 clock_t t = clock();
8173 if(serverMoves != NULL) fclose(serverMoves);
8174 serverMoves = fopen(appData.serverMovesName, "r");
8175 if(serverMoves != NULL) {
8176 fclose(serverMoves);
8177 /* delay 15 sec before overwriting, so all clients can see end */
8178 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
8180 serverMoves = fopen(appData.serverMovesName, "w");
8184 gameMode = BeginningOfGame;
8186 if(appData.icsActive) gameInfo.variant = VariantNormal;
8187 InitPosition(redraw);
8188 for (i = 0; i < MAX_MOVES; i++) {
8189 if (commentList[i] != NULL) {
8190 free(commentList[i]);
8191 commentList[i] = NULL;
8195 timeRemaining[0][0] = whiteTimeRemaining;
8196 timeRemaining[1][0] = blackTimeRemaining;
8197 if (first.pr == NULL) {
8198 StartChessProgram(&first);
8201 InitChessProgram(&first, startedFromSetupPosition);
8204 DisplayMessage("", "");
8205 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
8212 if (!AutoPlayOneMove())
8214 if (matchMode || appData.timeDelay == 0)
8216 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
8218 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
8227 int fromX, fromY, toX, toY;
8229 if (appData.debugMode) {
8230 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
8233 if (gameMode != PlayFromGameFile)
8236 if (currentMove >= forwardMostMove) {
8237 gameMode = EditGame;
8240 /* [AS] Clear current move marker at the end of a game */
8241 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
8246 toX = moveList[currentMove][2] - AAA;
8247 toY = moveList[currentMove][3] - ONE;
8249 if (moveList[currentMove][1] == '@') {
8250 if (appData.highlightLastMove) {
8251 SetHighlights(-1, -1, toX, toY);
8254 fromX = moveList[currentMove][0] - AAA;
8255 fromY = moveList[currentMove][1] - ONE;
8257 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
8259 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
8261 if (appData.highlightLastMove) {
8262 SetHighlights(fromX, fromY, toX, toY);
8265 DisplayMove(currentMove);
8266 SendMoveToProgram(currentMove++, &first);
8267 DisplayBothClocks();
8268 DrawPosition(FALSE, boards[currentMove]);
8269 // [HGM] PV info: always display, routine tests if empty
8270 DisplayComment(currentMove - 1, commentList[currentMove]);
8276 LoadGameOneMove(readAhead)
8277 ChessMove readAhead;
8279 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
8280 char promoChar = NULLCHAR;
8285 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
8286 gameMode != AnalyzeMode && gameMode != Training) {
8291 yyboardindex = forwardMostMove;
8292 if (readAhead != (ChessMove)0) {
8293 moveType = readAhead;
8295 if (gameFileFP == NULL)
8297 moveType = (ChessMove) yylex();
8303 if (appData.debugMode)
8304 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
8306 if (*p == '{' || *p == '[' || *p == '(') {
8307 p[strlen(p) - 1] = NULLCHAR;
8311 /* append the comment but don't display it */
8312 while (*p == '\n') p++;
8313 AppendComment(currentMove, p);
8316 case WhiteCapturesEnPassant:
8317 case BlackCapturesEnPassant:
8318 case WhitePromotionChancellor:
8319 case BlackPromotionChancellor:
8320 case WhitePromotionArchbishop:
8321 case BlackPromotionArchbishop:
8322 case WhitePromotionCentaur:
8323 case BlackPromotionCentaur:
8324 case WhitePromotionQueen:
8325 case BlackPromotionQueen:
8326 case WhitePromotionRook:
8327 case BlackPromotionRook:
8328 case WhitePromotionBishop:
8329 case BlackPromotionBishop:
8330 case WhitePromotionKnight:
8331 case BlackPromotionKnight:
8332 case WhitePromotionKing:
8333 case BlackPromotionKing:
8335 case WhiteKingSideCastle:
8336 case WhiteQueenSideCastle:
8337 case BlackKingSideCastle:
8338 case BlackQueenSideCastle:
8339 case WhiteKingSideCastleWild:
8340 case WhiteQueenSideCastleWild:
8341 case BlackKingSideCastleWild:
8342 case BlackQueenSideCastleWild:
8344 case WhiteHSideCastleFR:
8345 case WhiteASideCastleFR:
8346 case BlackHSideCastleFR:
8347 case BlackASideCastleFR:
8349 if (appData.debugMode)
8350 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8351 fromX = currentMoveString[0] - AAA;
8352 fromY = currentMoveString[1] - ONE;
8353 toX = currentMoveString[2] - AAA;
8354 toY = currentMoveString[3] - ONE;
8355 promoChar = currentMoveString[4];
8360 if (appData.debugMode)
8361 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8362 fromX = moveType == WhiteDrop ?
8363 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8364 (int) CharToPiece(ToLower(currentMoveString[0]));
8366 toX = currentMoveString[2] - AAA;
8367 toY = currentMoveString[3] - ONE;
8373 case GameUnfinished:
8374 if (appData.debugMode)
8375 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
8376 p = strchr(yy_text, '{');
8377 if (p == NULL) p = strchr(yy_text, '(');
8380 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8382 q = strchr(p, *p == '{' ? '}' : ')');
8383 if (q != NULL) *q = NULLCHAR;
8386 GameEnds(moveType, p, GE_FILE);
8388 if (cmailMsgLoaded) {
8390 flipView = WhiteOnMove(currentMove);
8391 if (moveType == GameUnfinished) flipView = !flipView;
8392 if (appData.debugMode)
8393 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
8397 case (ChessMove) 0: /* end of file */
8398 if (appData.debugMode)
8399 fprintf(debugFP, "Parser hit end of file\n");
8400 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8401 EP_UNKNOWN, castlingRights[currentMove]) ) {
8407 if (WhiteOnMove(currentMove)) {
8408 GameEnds(BlackWins, "Black mates", GE_FILE);
8410 GameEnds(WhiteWins, "White mates", GE_FILE);
8414 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
8421 if (lastLoadGameStart == GNUChessGame) {
8422 /* GNUChessGames have numbers, but they aren't move numbers */
8423 if (appData.debugMode)
8424 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
8425 yy_text, (int) moveType);
8426 return LoadGameOneMove((ChessMove)0); /* tail recursion */
8428 /* else fall thru */
8433 /* Reached start of next game in file */
8434 if (appData.debugMode)
8435 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
8436 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8437 EP_UNKNOWN, castlingRights[currentMove]) ) {
8443 if (WhiteOnMove(currentMove)) {
8444 GameEnds(BlackWins, "Black mates", GE_FILE);
8446 GameEnds(WhiteWins, "White mates", GE_FILE);
8450 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
8456 case PositionDiagram: /* should not happen; ignore */
8457 case ElapsedTime: /* ignore */
8458 case NAG: /* ignore */
8459 if (appData.debugMode)
8460 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
8461 yy_text, (int) moveType);
8462 return LoadGameOneMove((ChessMove)0); /* tail recursion */
8465 if (appData.testLegality) {
8466 if (appData.debugMode)
8467 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
8468 sprintf(move, _("Illegal move: %d.%s%s"),
8469 (forwardMostMove / 2) + 1,
8470 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8471 DisplayError(move, 0);
8474 if (appData.debugMode)
8475 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
8476 yy_text, currentMoveString);
8477 fromX = currentMoveString[0] - AAA;
8478 fromY = currentMoveString[1] - ONE;
8479 toX = currentMoveString[2] - AAA;
8480 toY = currentMoveString[3] - ONE;
8481 promoChar = currentMoveString[4];
8486 if (appData.debugMode)
8487 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
8488 sprintf(move, _("Ambiguous move: %d.%s%s"),
8489 (forwardMostMove / 2) + 1,
8490 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8491 DisplayError(move, 0);
8496 case ImpossibleMove:
8497 if (appData.debugMode)
8498 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
8499 sprintf(move, _("Illegal move: %d.%s%s"),
8500 (forwardMostMove / 2) + 1,
8501 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8502 DisplayError(move, 0);
8508 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
8509 DrawPosition(FALSE, boards[currentMove]);
8510 DisplayBothClocks();
8511 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
8512 DisplayComment(currentMove - 1, commentList[currentMove]);
8514 (void) StopLoadGameTimer();
8516 cmailOldMove = forwardMostMove;
8519 /* currentMoveString is set as a side-effect of yylex */
8520 strcat(currentMoveString, "\n");
8521 strcpy(moveList[forwardMostMove], currentMoveString);
8523 thinkOutput[0] = NULLCHAR;
8524 MakeMove(fromX, fromY, toX, toY, promoChar);
8525 currentMove = forwardMostMove;
8530 /* Load the nth game from the given file */
8532 LoadGameFromFile(filename, n, title, useList)
8536 /*Boolean*/ int useList;
8541 if (strcmp(filename, "-") == 0) {
8545 f = fopen(filename, "rb");
8547 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
8548 DisplayError(buf, errno);
8552 if (fseek(f, 0, 0) == -1) {
8553 /* f is not seekable; probably a pipe */
8556 if (useList && n == 0) {
8557 int error = GameListBuild(f);
8559 DisplayError(_("Cannot build game list"), error);
8560 } else if (!ListEmpty(&gameList) &&
8561 ((ListGame *) gameList.tailPred)->number > 1) {
8562 GameListPopUp(f, title);
8569 return LoadGame(f, n, title, FALSE);
8574 MakeRegisteredMove()
8576 int fromX, fromY, toX, toY;
8578 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
8579 switch (cmailMoveType[lastLoadGameNumber - 1]) {
8582 if (appData.debugMode)
8583 fprintf(debugFP, "Restoring %s for game %d\n",
8584 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
8586 thinkOutput[0] = NULLCHAR;
8587 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
8588 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
8589 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
8590 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
8591 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
8592 promoChar = cmailMove[lastLoadGameNumber - 1][4];
8593 MakeMove(fromX, fromY, toX, toY, promoChar);
8594 ShowMove(fromX, fromY, toX, toY);
8596 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8597 EP_UNKNOWN, castlingRights[currentMove]) ) {
8604 if (WhiteOnMove(currentMove)) {
8605 GameEnds(BlackWins, "Black mates", GE_PLAYER);
8607 GameEnds(WhiteWins, "White mates", GE_PLAYER);
8612 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
8619 if (WhiteOnMove(currentMove)) {
8620 GameEnds(BlackWins, "White resigns", GE_PLAYER);
8622 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
8627 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
8638 /* Wrapper around LoadGame for use when a Cmail message is loaded */
8640 CmailLoadGame(f, gameNumber, title, useList)
8648 if (gameNumber > nCmailGames) {
8649 DisplayError(_("No more games in this message"), 0);
8652 if (f == lastLoadGameFP) {
8653 int offset = gameNumber - lastLoadGameNumber;
8655 cmailMsg[0] = NULLCHAR;
8656 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
8657 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
8658 nCmailMovesRegistered--;
8660 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
8661 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
8662 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
8665 if (! RegisterMove()) return FALSE;
8669 retVal = LoadGame(f, gameNumber, title, useList);
8671 /* Make move registered during previous look at this game, if any */
8672 MakeRegisteredMove();
8674 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
8675 commentList[currentMove]
8676 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
8677 DisplayComment(currentMove - 1, commentList[currentMove]);
8683 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
8688 int gameNumber = lastLoadGameNumber + offset;
8689 if (lastLoadGameFP == NULL) {
8690 DisplayError(_("No game has been loaded yet"), 0);
8693 if (gameNumber <= 0) {
8694 DisplayError(_("Can't back up any further"), 0);
8697 if (cmailMsgLoaded) {
8698 return CmailLoadGame(lastLoadGameFP, gameNumber,
8699 lastLoadGameTitle, lastLoadGameUseList);
8701 return LoadGame(lastLoadGameFP, gameNumber,
8702 lastLoadGameTitle, lastLoadGameUseList);
8708 /* Load the nth game from open file f */
8710 LoadGame(f, gameNumber, title, useList)
8718 int gn = gameNumber;
8719 ListGame *lg = NULL;
8722 GameMode oldGameMode;
8723 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
8725 if (appData.debugMode)
8726 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
8728 if (gameMode == Training )
8729 SetTrainingModeOff();
8731 oldGameMode = gameMode;
8732 if (gameMode != BeginningOfGame) {
8737 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
8738 fclose(lastLoadGameFP);
8742 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
8745 fseek(f, lg->offset, 0);
8746 GameListHighlight(gameNumber);
8750 DisplayError(_("Game number out of range"), 0);
8755 if (fseek(f, 0, 0) == -1) {
8756 if (f == lastLoadGameFP ?
8757 gameNumber == lastLoadGameNumber + 1 :
8761 DisplayError(_("Can't seek on game file"), 0);
8767 lastLoadGameNumber = gameNumber;
8768 strcpy(lastLoadGameTitle, title);
8769 lastLoadGameUseList = useList;
8773 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
8774 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
8775 lg->gameInfo.black);
8777 } else if (*title != NULLCHAR) {
8778 if (gameNumber > 1) {
8779 sprintf(buf, "%s %d", title, gameNumber);
8782 DisplayTitle(title);
8786 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
8787 gameMode = PlayFromGameFile;
8791 currentMove = forwardMostMove = backwardMostMove = 0;
8792 CopyBoard(boards[0], initialPosition);
8796 * Skip the first gn-1 games in the file.
8797 * Also skip over anything that precedes an identifiable
8798 * start of game marker, to avoid being confused by
8799 * garbage at the start of the file. Currently
8800 * recognized start of game markers are the move number "1",
8801 * the pattern "gnuchess .* game", the pattern
8802 * "^[#;%] [^ ]* game file", and a PGN tag block.
8803 * A game that starts with one of the latter two patterns
8804 * will also have a move number 1, possibly
8805 * following a position diagram.
8806 * 5-4-02: Let's try being more lenient and allowing a game to
8807 * start with an unnumbered move. Does that break anything?
8809 cm = lastLoadGameStart = (ChessMove) 0;
8811 yyboardindex = forwardMostMove;
8812 cm = (ChessMove) yylex();
8815 if (cmailMsgLoaded) {
8816 nCmailGames = CMAIL_MAX_GAMES - gn;
8819 DisplayError(_("Game not found in file"), 0);
8826 lastLoadGameStart = cm;
8830 switch (lastLoadGameStart) {
8837 gn--; /* count this game */
8838 lastLoadGameStart = cm;
8847 switch (lastLoadGameStart) {
8852 gn--; /* count this game */
8853 lastLoadGameStart = cm;
8856 lastLoadGameStart = cm; /* game counted already */
8864 yyboardindex = forwardMostMove;
8865 cm = (ChessMove) yylex();
8866 } while (cm == PGNTag || cm == Comment);
8873 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
8874 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
8875 != CMAIL_OLD_RESULT) {
8877 cmailResult[ CMAIL_MAX_GAMES
8878 - gn - 1] = CMAIL_OLD_RESULT;
8884 /* Only a NormalMove can be at the start of a game
8885 * without a position diagram. */
8886 if (lastLoadGameStart == (ChessMove) 0) {
8888 lastLoadGameStart = MoveNumberOne;
8897 if (appData.debugMode)
8898 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
8900 if (cm == XBoardGame) {
8901 /* Skip any header junk before position diagram and/or move 1 */
8903 yyboardindex = forwardMostMove;
8904 cm = (ChessMove) yylex();
8906 if (cm == (ChessMove) 0 ||
8907 cm == GNUChessGame || cm == XBoardGame) {
8908 /* Empty game; pretend end-of-file and handle later */
8913 if (cm == MoveNumberOne || cm == PositionDiagram ||
8914 cm == PGNTag || cm == Comment)
8917 } else if (cm == GNUChessGame) {
8918 if (gameInfo.event != NULL) {
8919 free(gameInfo.event);
8921 gameInfo.event = StrSave(yy_text);
8924 startedFromSetupPosition = FALSE;
8925 while (cm == PGNTag) {
8926 if (appData.debugMode)
8927 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
8928 err = ParsePGNTag(yy_text, &gameInfo);
8929 if (!err) numPGNTags++;
8931 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
8932 if(gameInfo.variant != oldVariant) {
8933 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
8935 oldVariant = gameInfo.variant;
8936 if (appData.debugMode)
8937 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
8941 if (gameInfo.fen != NULL) {
8942 Board initial_position;
8943 startedFromSetupPosition = TRUE;
8944 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
8946 DisplayError(_("Bad FEN position in file"), 0);
8949 CopyBoard(boards[0], initial_position);
8950 if (blackPlaysFirst) {
8951 currentMove = forwardMostMove = backwardMostMove = 1;
8952 CopyBoard(boards[1], initial_position);
8953 strcpy(moveList[0], "");
8954 strcpy(parseList[0], "");
8955 timeRemaining[0][1] = whiteTimeRemaining;
8956 timeRemaining[1][1] = blackTimeRemaining;
8957 if (commentList[0] != NULL) {
8958 commentList[1] = commentList[0];
8959 commentList[0] = NULL;
8962 currentMove = forwardMostMove = backwardMostMove = 0;
8964 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
8966 initialRulePlies = FENrulePlies;
8967 epStatus[forwardMostMove] = FENepStatus;
8968 for( i=0; i< nrCastlingRights; i++ )
8969 initialRights[i] = castlingRights[forwardMostMove][i] = FENcastlingRights[i];
8971 yyboardindex = forwardMostMove;
8973 gameInfo.fen = NULL;
8976 yyboardindex = forwardMostMove;
8977 cm = (ChessMove) yylex();
8979 /* Handle comments interspersed among the tags */
8980 while (cm == Comment) {
8982 if (appData.debugMode)
8983 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
8985 if (*p == '{' || *p == '[' || *p == '(') {
8986 p[strlen(p) - 1] = NULLCHAR;
8989 while (*p == '\n') p++;
8990 AppendComment(currentMove, p);
8991 yyboardindex = forwardMostMove;
8992 cm = (ChessMove) yylex();
8996 /* don't rely on existence of Event tag since if game was
8997 * pasted from clipboard the Event tag may not exist
8999 if (numPGNTags > 0){
9001 if (gameInfo.variant == VariantNormal) {
9002 gameInfo.variant = StringToVariant(gameInfo.event);
9005 if( appData.autoDisplayTags ) {
9006 tags = PGNTags(&gameInfo);
9007 TagsPopUp(tags, CmailMsg());
9012 /* Make something up, but don't display it now */
9017 if (cm == PositionDiagram) {
9020 Board initial_position;
9022 if (appData.debugMode)
9023 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
9025 if (!startedFromSetupPosition) {
9027 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
9028 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
9038 initial_position[i][j++] = CharToPiece(*p);
9041 while (*p == ' ' || *p == '\t' ||
9042 *p == '\n' || *p == '\r') p++;
9044 if (strncmp(p, "black", strlen("black"))==0)
9045 blackPlaysFirst = TRUE;
9047 blackPlaysFirst = FALSE;
9048 startedFromSetupPosition = TRUE;
9050 CopyBoard(boards[0], initial_position);
9051 if (blackPlaysFirst) {
9052 currentMove = forwardMostMove = backwardMostMove = 1;
9053 CopyBoard(boards[1], initial_position);
9054 strcpy(moveList[0], "");
9055 strcpy(parseList[0], "");
9056 timeRemaining[0][1] = whiteTimeRemaining;
9057 timeRemaining[1][1] = blackTimeRemaining;
9058 if (commentList[0] != NULL) {
9059 commentList[1] = commentList[0];
9060 commentList[0] = NULL;
9063 currentMove = forwardMostMove = backwardMostMove = 0;
9066 yyboardindex = forwardMostMove;
9067 cm = (ChessMove) yylex();
9070 if (first.pr == NoProc) {
9071 StartChessProgram(&first);
9073 InitChessProgram(&first, FALSE);
9074 SendToProgram("force\n", &first);
9075 if (startedFromSetupPosition) {
9076 SendBoard(&first, forwardMostMove);
9077 if (appData.debugMode) {
9078 fprintf(debugFP, "Load Game\n");
9080 DisplayBothClocks();
9083 /* [HGM] server: flag to write setup moves in broadcast file as one */
9084 loadFlag = appData.suppressLoadMoves;
9086 while (cm == Comment) {
9088 if (appData.debugMode)
9089 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9091 if (*p == '{' || *p == '[' || *p == '(') {
9092 p[strlen(p) - 1] = NULLCHAR;
9095 while (*p == '\n') p++;
9096 AppendComment(currentMove, p);
9097 yyboardindex = forwardMostMove;
9098 cm = (ChessMove) yylex();
9101 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
9102 cm == WhiteWins || cm == BlackWins ||
9103 cm == GameIsDrawn || cm == GameUnfinished) {
9104 DisplayMessage("", _("No moves in game"));
9105 if (cmailMsgLoaded) {
9106 if (appData.debugMode)
9107 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
9111 DrawPosition(FALSE, boards[currentMove]);
9112 DisplayBothClocks();
9113 gameMode = EditGame;
9120 // [HGM] PV info: routine tests if comment empty
9121 if (!matchMode && (pausing || appData.timeDelay != 0)) {
9122 DisplayComment(currentMove - 1, commentList[currentMove]);
9124 if (!matchMode && appData.timeDelay != 0)
9125 DrawPosition(FALSE, boards[currentMove]);
9127 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
9128 programStats.ok_to_send = 1;
9131 /* if the first token after the PGN tags is a move
9132 * and not move number 1, retrieve it from the parser
9134 if (cm != MoveNumberOne)
9135 LoadGameOneMove(cm);
9137 /* load the remaining moves from the file */
9138 while (LoadGameOneMove((ChessMove)0)) {
9139 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9140 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9143 /* rewind to the start of the game */
9144 currentMove = backwardMostMove;
9146 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9148 if (oldGameMode == AnalyzeFile ||
9149 oldGameMode == AnalyzeMode) {
9153 if (matchMode || appData.timeDelay == 0) {
9155 gameMode = EditGame;
9157 } else if (appData.timeDelay > 0) {
9161 if (appData.debugMode)
9162 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
9164 loadFlag = 0; /* [HGM] true game starts */
9168 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
9170 ReloadPosition(offset)
9173 int positionNumber = lastLoadPositionNumber + offset;
9174 if (lastLoadPositionFP == NULL) {
9175 DisplayError(_("No position has been loaded yet"), 0);
9178 if (positionNumber <= 0) {
9179 DisplayError(_("Can't back up any further"), 0);
9182 return LoadPosition(lastLoadPositionFP, positionNumber,
9183 lastLoadPositionTitle);
9186 /* Load the nth position from the given file */
9188 LoadPositionFromFile(filename, n, title)
9196 if (strcmp(filename, "-") == 0) {
9197 return LoadPosition(stdin, n, "stdin");
9199 f = fopen(filename, "rb");
9201 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9202 DisplayError(buf, errno);
9205 return LoadPosition(f, n, title);
9210 /* Load the nth position from the given open file, and close it */
9212 LoadPosition(f, positionNumber, title)
9217 char *p, line[MSG_SIZ];
9218 Board initial_position;
9219 int i, j, fenMode, pn;
9221 if (gameMode == Training )
9222 SetTrainingModeOff();
9224 if (gameMode != BeginningOfGame) {
9227 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
9228 fclose(lastLoadPositionFP);
9230 if (positionNumber == 0) positionNumber = 1;
9231 lastLoadPositionFP = f;
9232 lastLoadPositionNumber = positionNumber;
9233 strcpy(lastLoadPositionTitle, title);
9234 if (first.pr == NoProc) {
9235 StartChessProgram(&first);
9236 InitChessProgram(&first, FALSE);
9238 pn = positionNumber;
9239 if (positionNumber < 0) {
9240 /* Negative position number means to seek to that byte offset */
9241 if (fseek(f, -positionNumber, 0) == -1) {
9242 DisplayError(_("Can't seek on position file"), 0);
9247 if (fseek(f, 0, 0) == -1) {
9248 if (f == lastLoadPositionFP ?
9249 positionNumber == lastLoadPositionNumber + 1 :
9250 positionNumber == 1) {
9253 DisplayError(_("Can't seek on position file"), 0);
9258 /* See if this file is FEN or old-style xboard */
9259 if (fgets(line, MSG_SIZ, f) == NULL) {
9260 DisplayError(_("Position not found in file"), 0);
9269 case 'p': case 'n': case 'b': case 'r': case 'q': case 'k':
9270 case 'P': case 'N': case 'B': case 'R': case 'Q': case 'K':
9271 case '1': case '2': case '3': case '4': case '5': case '6':
9272 case '7': case '8': case '9':
9273 case 'H': case 'A': case 'M': case 'h': case 'a': case 'm':
9274 case 'E': case 'F': case 'G': case 'e': case 'f': case 'g':
9275 case 'C': case 'W': case 'c': case 'w':
9280 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
9281 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
9285 if (fenMode || line[0] == '#') pn--;
9287 /* skip positions before number pn */
9288 if (fgets(line, MSG_SIZ, f) == NULL) {
9290 DisplayError(_("Position not found in file"), 0);
9293 if (fenMode || line[0] == '#') pn--;
9298 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
9299 DisplayError(_("Bad FEN position in file"), 0);
9303 (void) fgets(line, MSG_SIZ, f);
9304 (void) fgets(line, MSG_SIZ, f);
9306 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
9307 (void) fgets(line, MSG_SIZ, f);
9308 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
9311 initial_position[i][j++] = CharToPiece(*p);
9315 blackPlaysFirst = FALSE;
9317 (void) fgets(line, MSG_SIZ, f);
9318 if (strncmp(line, "black", strlen("black"))==0)
9319 blackPlaysFirst = TRUE;
9322 startedFromSetupPosition = TRUE;
9324 SendToProgram("force\n", &first);
9325 CopyBoard(boards[0], initial_position);
9326 if (blackPlaysFirst) {
9327 currentMove = forwardMostMove = backwardMostMove = 1;
9328 strcpy(moveList[0], "");
9329 strcpy(parseList[0], "");
9330 CopyBoard(boards[1], initial_position);
9331 DisplayMessage("", _("Black to play"));
9333 currentMove = forwardMostMove = backwardMostMove = 0;
9334 DisplayMessage("", _("White to play"));
9336 /* [HGM] copy FEN attributes as well */
9338 initialRulePlies = FENrulePlies;
9339 epStatus[forwardMostMove] = FENepStatus;
9340 for( i=0; i< nrCastlingRights; i++ )
9341 castlingRights[forwardMostMove][i] = FENcastlingRights[i];
9343 SendBoard(&first, forwardMostMove);
9344 if (appData.debugMode) {
9346 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", castlingRights[i][j]);fprintf(debugFP,"\n");}
9347 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
9348 fprintf(debugFP, "Load Position\n");
9351 if (positionNumber > 1) {
9352 sprintf(line, "%s %d", title, positionNumber);
9355 DisplayTitle(title);
9357 gameMode = EditGame;
9360 timeRemaining[0][1] = whiteTimeRemaining;
9361 timeRemaining[1][1] = blackTimeRemaining;
9362 DrawPosition(FALSE, boards[currentMove]);
9369 CopyPlayerNameIntoFileName(dest, src)
9372 while (*src != NULLCHAR && *src != ',') {
9377 *(*dest)++ = *src++;
9382 char *DefaultFileName(ext)
9385 static char def[MSG_SIZ];
9388 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
9390 CopyPlayerNameIntoFileName(&p, gameInfo.white);
9392 CopyPlayerNameIntoFileName(&p, gameInfo.black);
9401 /* Save the current game to the given file */
9403 SaveGameToFile(filename, append)
9410 if (strcmp(filename, "-") == 0) {
9411 return SaveGame(stdout, 0, NULL);
9413 f = fopen(filename, append ? "a" : "w");
9415 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9416 DisplayError(buf, errno);
9419 return SaveGame(f, 0, NULL);
9428 static char buf[MSG_SIZ];
9431 p = strchr(str, ' ');
9432 if (p == NULL) return str;
9433 strncpy(buf, str, p - str);
9434 buf[p - str] = NULLCHAR;
9438 #define PGN_MAX_LINE 75
9440 #define PGN_SIDE_WHITE 0
9441 #define PGN_SIDE_BLACK 1
9444 static int FindFirstMoveOutOfBook( int side )
9448 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
9449 int index = backwardMostMove;
9450 int has_book_hit = 0;
9452 if( (index % 2) != side ) {
9456 while( index < forwardMostMove ) {
9457 /* Check to see if engine is in book */
9458 int depth = pvInfoList[index].depth;
9459 int score = pvInfoList[index].score;
9465 else if( score == 0 && depth == 63 ) {
9466 in_book = 1; /* Zappa */
9468 else if( score == 2 && depth == 99 ) {
9469 in_book = 1; /* Abrok */
9472 has_book_hit += in_book;
9488 void GetOutOfBookInfo( char * buf )
9492 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9494 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
9495 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
9499 if( oob[0] >= 0 || oob[1] >= 0 ) {
9500 for( i=0; i<2; i++ ) {
9504 if( i > 0 && oob[0] >= 0 ) {
9508 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
9509 sprintf( buf+strlen(buf), "%s%.2f",
9510 pvInfoList[idx].score >= 0 ? "+" : "",
9511 pvInfoList[idx].score / 100.0 );
9517 /* Save game in PGN style and close the file */
9522 int i, offset, linelen, newblock;
9526 int movelen, numlen, blank;
9527 char move_buffer[100]; /* [AS] Buffer for move+PV info */
9529 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9531 tm = time((time_t *) NULL);
9533 PrintPGNTags(f, &gameInfo);
9535 if (backwardMostMove > 0 || startedFromSetupPosition) {
9536 char *fen = PositionToFEN(backwardMostMove, NULL);
9537 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
9538 fprintf(f, "\n{--------------\n");
9539 PrintPosition(f, backwardMostMove);
9540 fprintf(f, "--------------}\n");
9544 /* [AS] Out of book annotation */
9545 if( appData.saveOutOfBookInfo ) {
9548 GetOutOfBookInfo( buf );
9550 if( buf[0] != '\0' ) {
9551 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
9558 i = backwardMostMove;
9562 while (i < forwardMostMove) {
9563 /* Print comments preceding this move */
9564 if (commentList[i] != NULL) {
9565 if (linelen > 0) fprintf(f, "\n");
9566 fprintf(f, "{\n%s}\n", commentList[i]);
9571 /* Format move number */
9573 sprintf(numtext, "%d.", (i - offset)/2 + 1);
9576 sprintf(numtext, "%d...", (i - offset)/2 + 1);
9578 numtext[0] = NULLCHAR;
9581 numlen = strlen(numtext);
9584 /* Print move number */
9585 blank = linelen > 0 && numlen > 0;
9586 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
9595 fprintf(f, numtext);
9599 strcpy(move_buffer, parseList[i]); // [HGM] pgn: print move via buffer, so it can be edited
9600 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
9601 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
9602 int p = movelen - 1;
9603 if(move_buffer[p] == ' ') p--;
9604 if(move_buffer[p] == ')') { // [HGM] pgn: strip off ICS time if we have extended info
9605 while(p && move_buffer[--p] != '(');
9606 if(p && move_buffer[p-1] == ' ') move_buffer[movelen=p-1] = 0;
9611 blank = linelen > 0 && movelen > 0;
9612 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
9621 fprintf(f, move_buffer);
9624 /* [AS] Add PV info if present */
9625 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
9626 /* [HGM] add time */
9627 char buf[MSG_SIZ]; int seconds = 0;
9630 if(i >= backwardMostMove) {
9632 seconds = timeRemaining[0][i] - timeRemaining[0][i+1]
9633 + GetTimeQuota(i/2) / (1000*WhitePlayer()->timeOdds);
9635 seconds = timeRemaining[1][i] - timeRemaining[1][i+1]
9636 + GetTimeQuota(i/2) / (1000*WhitePlayer()->other->timeOdds);
9638 seconds = (seconds+50)/100; // deci-seconds, rounded to nearest
9640 seconds = (pvInfoList[i].time + 5)/10; // [HGM] PVtime: use engine time
9643 if( seconds <= 0) buf[0] = 0; else
9644 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
9645 seconds = (seconds + 4)/10; // round to full seconds
9646 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
9647 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
9650 sprintf( move_buffer, "{%s%.2f/%d%s}",
9651 pvInfoList[i].score >= 0 ? "+" : "",
9652 pvInfoList[i].score / 100.0,
9653 pvInfoList[i].depth,
9656 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
9658 /* Print score/depth */
9659 blank = linelen > 0 && movelen > 0;
9660 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
9669 fprintf(f, move_buffer);
9676 /* Start a new line */
9677 if (linelen > 0) fprintf(f, "\n");
9679 /* Print comments after last move */
9680 if (commentList[i] != NULL) {
9681 fprintf(f, "{\n%s}\n", commentList[i]);
9685 if (gameInfo.resultDetails != NULL &&
9686 gameInfo.resultDetails[0] != NULLCHAR) {
9687 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
9688 PGNResult(gameInfo.result));
9690 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
9697 /* Save game in old style and close the file */
9705 tm = time((time_t *) NULL);
9707 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
9710 if (backwardMostMove > 0 || startedFromSetupPosition) {
9711 fprintf(f, "\n[--------------\n");
9712 PrintPosition(f, backwardMostMove);
9713 fprintf(f, "--------------]\n");
9718 i = backwardMostMove;
9719 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9721 while (i < forwardMostMove) {
9722 if (commentList[i] != NULL) {
9723 fprintf(f, "[%s]\n", commentList[i]);
9727 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
9730 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
9732 if (commentList[i] != NULL) {
9736 if (i >= forwardMostMove) {
9740 fprintf(f, "%s\n", parseList[i]);
9745 if (commentList[i] != NULL) {
9746 fprintf(f, "[%s]\n", commentList[i]);
9749 /* This isn't really the old style, but it's close enough */
9750 if (gameInfo.resultDetails != NULL &&
9751 gameInfo.resultDetails[0] != NULLCHAR) {
9752 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
9753 gameInfo.resultDetails);
9755 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
9762 /* Save the current game to open file f and close the file */
9764 SaveGame(f, dummy, dummy2)
9769 if (gameMode == EditPosition) EditPositionDone();
9770 if (appData.oldSaveStyle)
9771 return SaveGameOldStyle(f);
9773 return SaveGamePGN(f);
9776 /* Save the current position to the given file */
9778 SavePositionToFile(filename)
9784 if (strcmp(filename, "-") == 0) {
9785 return SavePosition(stdout, 0, NULL);
9787 f = fopen(filename, "a");
9789 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9790 DisplayError(buf, errno);
9793 SavePosition(f, 0, NULL);
9799 /* Save the current position to the given open file and close the file */
9801 SavePosition(f, dummy, dummy2)
9809 if (appData.oldSaveStyle) {
9810 tm = time((time_t *) NULL);
9812 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
9814 fprintf(f, "[--------------\n");
9815 PrintPosition(f, currentMove);
9816 fprintf(f, "--------------]\n");
9818 fen = PositionToFEN(currentMove, NULL);
9819 fprintf(f, "%s\n", fen);
9827 ReloadCmailMsgEvent(unregister)
9831 static char *inFilename = NULL;
9832 static char *outFilename;
9834 struct stat inbuf, outbuf;
9837 /* Any registered moves are unregistered if unregister is set, */
9838 /* i.e. invoked by the signal handler */
9840 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
9841 cmailMoveRegistered[i] = FALSE;
9842 if (cmailCommentList[i] != NULL) {
9843 free(cmailCommentList[i]);
9844 cmailCommentList[i] = NULL;
9847 nCmailMovesRegistered = 0;
9850 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
9851 cmailResult[i] = CMAIL_NOT_RESULT;
9855 if (inFilename == NULL) {
9856 /* Because the filenames are static they only get malloced once */
9857 /* and they never get freed */
9858 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
9859 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
9861 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
9862 sprintf(outFilename, "%s.out", appData.cmailGameName);
9865 status = stat(outFilename, &outbuf);
9867 cmailMailedMove = FALSE;
9869 status = stat(inFilename, &inbuf);
9870 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
9873 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
9874 counts the games, notes how each one terminated, etc.
9876 It would be nice to remove this kludge and instead gather all
9877 the information while building the game list. (And to keep it
9878 in the game list nodes instead of having a bunch of fixed-size
9879 parallel arrays.) Note this will require getting each game's
9880 termination from the PGN tags, as the game list builder does
9881 not process the game moves. --mann
9883 cmailMsgLoaded = TRUE;
9884 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
9886 /* Load first game in the file or popup game menu */
9887 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
9897 char string[MSG_SIZ];
9899 if ( cmailMailedMove
9900 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
9901 return TRUE; /* Allow free viewing */
9904 /* Unregister move to ensure that we don't leave RegisterMove */
9905 /* with the move registered when the conditions for registering no */
9907 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9908 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9909 nCmailMovesRegistered --;
9911 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
9913 free(cmailCommentList[lastLoadGameNumber - 1]);
9914 cmailCommentList[lastLoadGameNumber - 1] = NULL;
9918 if (cmailOldMove == -1) {
9919 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
9923 if (currentMove > cmailOldMove + 1) {
9924 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
9928 if (currentMove < cmailOldMove) {
9929 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
9933 if (forwardMostMove > currentMove) {
9934 /* Silently truncate extra moves */
9938 if ( (currentMove == cmailOldMove + 1)
9939 || ( (currentMove == cmailOldMove)
9940 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
9941 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
9942 if (gameInfo.result != GameUnfinished) {
9943 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
9946 if (commentList[currentMove] != NULL) {
9947 cmailCommentList[lastLoadGameNumber - 1]
9948 = StrSave(commentList[currentMove]);
9950 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
9952 if (appData.debugMode)
9953 fprintf(debugFP, "Saving %s for game %d\n",
9954 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9957 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
9959 f = fopen(string, "w");
9960 if (appData.oldSaveStyle) {
9961 SaveGameOldStyle(f); /* also closes the file */
9963 sprintf(string, "%s.pos.out", appData.cmailGameName);
9964 f = fopen(string, "w");
9965 SavePosition(f, 0, NULL); /* also closes the file */
9967 fprintf(f, "{--------------\n");
9968 PrintPosition(f, currentMove);
9969 fprintf(f, "--------------}\n\n");
9971 SaveGame(f, 0, NULL); /* also closes the file*/
9974 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
9975 nCmailMovesRegistered ++;
9976 } else if (nCmailGames == 1) {
9977 DisplayError(_("You have not made a move yet"), 0);
9988 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
9989 FILE *commandOutput;
9990 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
9991 int nBytes = 0; /* Suppress warnings on uninitialized variables */
9997 if (! cmailMsgLoaded) {
9998 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
10002 if (nCmailGames == nCmailResults) {
10003 DisplayError(_("No unfinished games"), 0);
10007 #if CMAIL_PROHIBIT_REMAIL
10008 if (cmailMailedMove) {
10009 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);
10010 DisplayError(msg, 0);
10015 if (! (cmailMailedMove || RegisterMove())) return;
10017 if ( cmailMailedMove
10018 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
10019 sprintf(string, partCommandString,
10020 appData.debugMode ? " -v" : "", appData.cmailGameName);
10021 commandOutput = popen(string, "r");
10023 if (commandOutput == NULL) {
10024 DisplayError(_("Failed to invoke cmail"), 0);
10026 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
10027 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
10029 if (nBuffers > 1) {
10030 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
10031 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
10032 nBytes = MSG_SIZ - 1;
10034 (void) memcpy(msg, buffer, nBytes);
10036 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
10038 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
10039 cmailMailedMove = TRUE; /* Prevent >1 moves */
10042 for (i = 0; i < nCmailGames; i ++) {
10043 if (cmailResult[i] == CMAIL_NOT_RESULT) {
10048 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
10050 sprintf(buffer, "%s/%s.%s.archive",
10052 appData.cmailGameName,
10054 LoadGameFromFile(buffer, 1, buffer, FALSE);
10055 cmailMsgLoaded = FALSE;
10059 DisplayInformation(msg);
10060 pclose(commandOutput);
10063 if ((*cmailMsg) != '\0') {
10064 DisplayInformation(cmailMsg);
10069 #endif /* !WIN32 */
10078 int prependComma = 0;
10080 char string[MSG_SIZ]; /* Space for game-list */
10083 if (!cmailMsgLoaded) return "";
10085 if (cmailMailedMove) {
10086 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
10088 /* Create a list of games left */
10089 sprintf(string, "[");
10090 for (i = 0; i < nCmailGames; i ++) {
10091 if (! ( cmailMoveRegistered[i]
10092 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
10093 if (prependComma) {
10094 sprintf(number, ",%d", i + 1);
10096 sprintf(number, "%d", i + 1);
10100 strcat(string, number);
10103 strcat(string, "]");
10105 if (nCmailMovesRegistered + nCmailResults == 0) {
10106 switch (nCmailGames) {
10109 _("Still need to make move for game\n"));
10114 _("Still need to make moves for both games\n"));
10119 _("Still need to make moves for all %d games\n"),
10124 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
10127 _("Still need to make a move for game %s\n"),
10132 if (nCmailResults == nCmailGames) {
10133 sprintf(cmailMsg, _("No unfinished games\n"));
10135 sprintf(cmailMsg, _("Ready to send mail\n"));
10141 _("Still need to make moves for games %s\n"),
10153 if (gameMode == Training)
10154 SetTrainingModeOff();
10157 cmailMsgLoaded = FALSE;
10158 if (appData.icsActive) {
10159 SendToICS(ics_prefix);
10160 SendToICS("refresh\n");
10170 /* Give up on clean exit */
10174 /* Keep trying for clean exit */
10178 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
10180 if (telnetISR != NULL) {
10181 RemoveInputSource(telnetISR);
10183 if (icsPR != NoProc) {
10184 DestroyChildProcess(icsPR, TRUE);
10187 /* Save game if resource set and not already saved by GameEnds() */
10188 if ((gameInfo.resultDetails == NULL || errorExitFlag )
10189 && forwardMostMove > 0) {
10190 if (*appData.saveGameFile != NULLCHAR) {
10191 SaveGameToFile(appData.saveGameFile, TRUE);
10192 } else if (appData.autoSaveGames) {
10195 if (*appData.savePositionFile != NULLCHAR) {
10196 SavePositionToFile(appData.savePositionFile);
10199 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
10201 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
10202 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
10204 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
10205 /* make sure this other one finishes before killing it! */
10206 if(endingGame) { int count = 0;
10207 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
10208 while(endingGame && count++ < 10) DoSleep(1);
10209 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
10212 /* Kill off chess programs */
10213 if (first.pr != NoProc) {
10216 DoSleep( appData.delayBeforeQuit );
10217 SendToProgram("quit\n", &first);
10218 DoSleep( appData.delayAfterQuit );
10219 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
10221 if (second.pr != NoProc) {
10222 DoSleep( appData.delayBeforeQuit );
10223 SendToProgram("quit\n", &second);
10224 DoSleep( appData.delayAfterQuit );
10225 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
10227 if (first.isr != NULL) {
10228 RemoveInputSource(first.isr);
10230 if (second.isr != NULL) {
10231 RemoveInputSource(second.isr);
10234 ShutDownFrontEnd();
10241 if (appData.debugMode)
10242 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
10246 if (gameMode == MachinePlaysWhite ||
10247 gameMode == MachinePlaysBlack) {
10250 DisplayBothClocks();
10252 if (gameMode == PlayFromGameFile) {
10253 if (appData.timeDelay >= 0)
10254 AutoPlayGameLoop();
10255 } else if (gameMode == IcsExamining && pauseExamInvalid) {
10256 Reset(FALSE, TRUE);
10257 SendToICS(ics_prefix);
10258 SendToICS("refresh\n");
10259 } else if (currentMove < forwardMostMove) {
10260 ForwardInner(forwardMostMove);
10262 pauseExamInvalid = FALSE;
10264 switch (gameMode) {
10268 pauseExamForwardMostMove = forwardMostMove;
10269 pauseExamInvalid = FALSE;
10272 case IcsPlayingWhite:
10273 case IcsPlayingBlack:
10277 case PlayFromGameFile:
10278 (void) StopLoadGameTimer();
10282 case BeginningOfGame:
10283 if (appData.icsActive) return;
10284 /* else fall through */
10285 case MachinePlaysWhite:
10286 case MachinePlaysBlack:
10287 case TwoMachinesPlay:
10288 if (forwardMostMove == 0)
10289 return; /* don't pause if no one has moved */
10290 if ((gameMode == MachinePlaysWhite &&
10291 !WhiteOnMove(forwardMostMove)) ||
10292 (gameMode == MachinePlaysBlack &&
10293 WhiteOnMove(forwardMostMove))) {
10306 char title[MSG_SIZ];
10308 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
10309 strcpy(title, _("Edit comment"));
10311 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
10312 WhiteOnMove(currentMove - 1) ? " " : ".. ",
10313 parseList[currentMove - 1]);
10316 EditCommentPopUp(currentMove, title, commentList[currentMove]);
10323 char *tags = PGNTags(&gameInfo);
10324 EditTagsPopUp(tags);
10331 if (appData.noChessProgram || gameMode == AnalyzeMode)
10334 if (gameMode != AnalyzeFile) {
10335 if (!appData.icsEngineAnalyze) {
10337 if (gameMode != EditGame) return;
10339 ResurrectChessProgram();
10340 SendToProgram("analyze\n", &first);
10341 first.analyzing = TRUE;
10342 /*first.maybeThinking = TRUE;*/
10343 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10344 AnalysisPopUp(_("Analysis"),
10345 _("Starting analysis mode...\nIf this message stays up, your chess program does not support analysis."));
10347 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
10352 StartAnalysisClock();
10353 GetTimeMark(&lastNodeCountTime);
10360 if (appData.noChessProgram || gameMode == AnalyzeFile)
10363 if (gameMode != AnalyzeMode) {
10365 if (gameMode != EditGame) return;
10366 ResurrectChessProgram();
10367 SendToProgram("analyze\n", &first);
10368 first.analyzing = TRUE;
10369 /*first.maybeThinking = TRUE;*/
10370 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10371 AnalysisPopUp(_("Analysis"),
10372 _("Starting analysis mode...\nIf this message stays up, your chess program does not support analysis."));
10374 gameMode = AnalyzeFile;
10379 StartAnalysisClock();
10380 GetTimeMark(&lastNodeCountTime);
10385 MachineWhiteEvent()
10388 char *bookHit = NULL;
10390 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
10394 if (gameMode == PlayFromGameFile ||
10395 gameMode == TwoMachinesPlay ||
10396 gameMode == Training ||
10397 gameMode == AnalyzeMode ||
10398 gameMode == EndOfGame)
10401 if (gameMode == EditPosition)
10402 EditPositionDone();
10404 if (!WhiteOnMove(currentMove)) {
10405 DisplayError(_("It is not White's turn"), 0);
10409 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10412 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10413 gameMode == AnalyzeFile)
10416 ResurrectChessProgram(); /* in case it isn't running */
10417 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
10418 gameMode = MachinePlaysWhite;
10421 gameMode = MachinePlaysWhite;
10425 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10427 if (first.sendName) {
10428 sprintf(buf, "name %s\n", gameInfo.black);
10429 SendToProgram(buf, &first);
10431 if (first.sendTime) {
10432 if (first.useColors) {
10433 SendToProgram("black\n", &first); /*gnu kludge*/
10435 SendTimeRemaining(&first, TRUE);
10437 if (first.useColors) {
10438 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
10440 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10441 SetMachineThinkingEnables();
10442 first.maybeThinking = TRUE;
10445 if (appData.autoFlipView && !flipView) {
10446 flipView = !flipView;
10447 DrawPosition(FALSE, NULL);
10448 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10451 if(bookHit) { // [HGM] book: simulate book reply
10452 static char bookMove[MSG_SIZ]; // a bit generous?
10454 programStats.nodes = programStats.depth = programStats.time =
10455 programStats.score = programStats.got_only_move = 0;
10456 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10458 strcpy(bookMove, "move ");
10459 strcat(bookMove, bookHit);
10460 HandleMachineMove(bookMove, &first);
10465 MachineBlackEvent()
10468 char *bookHit = NULL;
10470 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
10474 if (gameMode == PlayFromGameFile ||
10475 gameMode == TwoMachinesPlay ||
10476 gameMode == Training ||
10477 gameMode == AnalyzeMode ||
10478 gameMode == EndOfGame)
10481 if (gameMode == EditPosition)
10482 EditPositionDone();
10484 if (WhiteOnMove(currentMove)) {
10485 DisplayError(_("It is not Black's turn"), 0);
10489 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10492 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10493 gameMode == AnalyzeFile)
10496 ResurrectChessProgram(); /* in case it isn't running */
10497 gameMode = MachinePlaysBlack;
10501 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10503 if (first.sendName) {
10504 sprintf(buf, "name %s\n", gameInfo.white);
10505 SendToProgram(buf, &first);
10507 if (first.sendTime) {
10508 if (first.useColors) {
10509 SendToProgram("white\n", &first); /*gnu kludge*/
10511 SendTimeRemaining(&first, FALSE);
10513 if (first.useColors) {
10514 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
10516 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10517 SetMachineThinkingEnables();
10518 first.maybeThinking = TRUE;
10521 if (appData.autoFlipView && flipView) {
10522 flipView = !flipView;
10523 DrawPosition(FALSE, NULL);
10524 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10526 if(bookHit) { // [HGM] book: simulate book reply
10527 static char bookMove[MSG_SIZ]; // a bit generous?
10529 programStats.nodes = programStats.depth = programStats.time =
10530 programStats.score = programStats.got_only_move = 0;
10531 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10533 strcpy(bookMove, "move ");
10534 strcat(bookMove, bookHit);
10535 HandleMachineMove(bookMove, &first);
10541 DisplayTwoMachinesTitle()
10544 if (appData.matchGames > 0) {
10545 if (first.twoMachinesColor[0] == 'w') {
10546 sprintf(buf, "%s vs. %s (%d-%d-%d)",
10547 gameInfo.white, gameInfo.black,
10548 first.matchWins, second.matchWins,
10549 matchGame - 1 - (first.matchWins + second.matchWins));
10551 sprintf(buf, "%s vs. %s (%d-%d-%d)",
10552 gameInfo.white, gameInfo.black,
10553 second.matchWins, first.matchWins,
10554 matchGame - 1 - (first.matchWins + second.matchWins));
10557 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10563 TwoMachinesEvent P((void))
10567 ChessProgramState *onmove;
10568 char *bookHit = NULL;
10570 if (appData.noChessProgram) return;
10572 switch (gameMode) {
10573 case TwoMachinesPlay:
10575 case MachinePlaysWhite:
10576 case MachinePlaysBlack:
10577 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
10578 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
10582 case BeginningOfGame:
10583 case PlayFromGameFile:
10586 if (gameMode != EditGame) return;
10589 EditPositionDone();
10600 forwardMostMove = currentMove;
10601 ResurrectChessProgram(); /* in case first program isn't running */
10603 if (second.pr == NULL) {
10604 StartChessProgram(&second);
10605 if (second.protocolVersion == 1) {
10606 TwoMachinesEventIfReady();
10608 /* kludge: allow timeout for initial "feature" command */
10610 DisplayMessage("", _("Starting second chess program"));
10611 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
10615 DisplayMessage("", "");
10616 InitChessProgram(&second, FALSE);
10617 SendToProgram("force\n", &second);
10618 if (startedFromSetupPosition) {
10619 SendBoard(&second, backwardMostMove);
10620 if (appData.debugMode) {
10621 fprintf(debugFP, "Two Machines\n");
10624 for (i = backwardMostMove; i < forwardMostMove; i++) {
10625 SendMoveToProgram(i, &second);
10628 gameMode = TwoMachinesPlay;
10632 DisplayTwoMachinesTitle();
10634 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
10640 SendToProgram(first.computerString, &first);
10641 if (first.sendName) {
10642 sprintf(buf, "name %s\n", second.tidy);
10643 SendToProgram(buf, &first);
10645 SendToProgram(second.computerString, &second);
10646 if (second.sendName) {
10647 sprintf(buf, "name %s\n", first.tidy);
10648 SendToProgram(buf, &second);
10652 if (!first.sendTime || !second.sendTime) {
10653 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10654 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10656 if (onmove->sendTime) {
10657 if (onmove->useColors) {
10658 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
10660 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
10662 if (onmove->useColors) {
10663 SendToProgram(onmove->twoMachinesColor, onmove);
10665 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
10666 // SendToProgram("go\n", onmove);
10667 onmove->maybeThinking = TRUE;
10668 SetMachineThinkingEnables();
10672 if(bookHit) { // [HGM] book: simulate book reply
10673 static char bookMove[MSG_SIZ]; // a bit generous?
10675 programStats.nodes = programStats.depth = programStats.time =
10676 programStats.score = programStats.got_only_move = 0;
10677 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10679 strcpy(bookMove, "move ");
10680 strcat(bookMove, bookHit);
10681 HandleMachineMove(bookMove, &first);
10688 if (gameMode == Training) {
10689 SetTrainingModeOff();
10690 gameMode = PlayFromGameFile;
10691 DisplayMessage("", _("Training mode off"));
10693 gameMode = Training;
10694 animateTraining = appData.animate;
10696 /* make sure we are not already at the end of the game */
10697 if (currentMove < forwardMostMove) {
10698 SetTrainingModeOn();
10699 DisplayMessage("", _("Training mode on"));
10701 gameMode = PlayFromGameFile;
10702 DisplayError(_("Already at end of game"), 0);
10711 if (!appData.icsActive) return;
10712 switch (gameMode) {
10713 case IcsPlayingWhite:
10714 case IcsPlayingBlack:
10717 case BeginningOfGame:
10725 EditPositionDone();
10738 gameMode = IcsIdle;
10749 switch (gameMode) {
10751 SetTrainingModeOff();
10753 case MachinePlaysWhite:
10754 case MachinePlaysBlack:
10755 case BeginningOfGame:
10756 SendToProgram("force\n", &first);
10757 SetUserThinkingEnables();
10759 case PlayFromGameFile:
10760 (void) StopLoadGameTimer();
10761 if (gameFileFP != NULL) {
10766 EditPositionDone();
10771 SendToProgram("force\n", &first);
10773 case TwoMachinesPlay:
10774 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
10775 ResurrectChessProgram();
10776 SetUserThinkingEnables();
10779 ResurrectChessProgram();
10781 case IcsPlayingBlack:
10782 case IcsPlayingWhite:
10783 DisplayError(_("Warning: You are still playing a game"), 0);
10786 DisplayError(_("Warning: You are still observing a game"), 0);
10789 DisplayError(_("Warning: You are still examining a game"), 0);
10800 first.offeredDraw = second.offeredDraw = 0;
10802 if (gameMode == PlayFromGameFile) {
10803 whiteTimeRemaining = timeRemaining[0][currentMove];
10804 blackTimeRemaining = timeRemaining[1][currentMove];
10808 if (gameMode == MachinePlaysWhite ||
10809 gameMode == MachinePlaysBlack ||
10810 gameMode == TwoMachinesPlay ||
10811 gameMode == EndOfGame) {
10812 i = forwardMostMove;
10813 while (i > currentMove) {
10814 SendToProgram("undo\n", &first);
10817 whiteTimeRemaining = timeRemaining[0][currentMove];
10818 blackTimeRemaining = timeRemaining[1][currentMove];
10819 DisplayBothClocks();
10820 if (whiteFlag || blackFlag) {
10821 whiteFlag = blackFlag = 0;
10826 gameMode = EditGame;
10833 EditPositionEvent()
10835 if (gameMode == EditPosition) {
10841 if (gameMode != EditGame) return;
10843 gameMode = EditPosition;
10846 if (currentMove > 0)
10847 CopyBoard(boards[0], boards[currentMove]);
10849 blackPlaysFirst = !WhiteOnMove(currentMove);
10851 currentMove = forwardMostMove = backwardMostMove = 0;
10852 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10859 /* [DM] icsEngineAnalyze - possible call from other functions */
10860 if (appData.icsEngineAnalyze) {
10861 appData.icsEngineAnalyze = FALSE;
10863 DisplayMessage("",_("Close ICS engine analyze..."));
10865 if (first.analysisSupport && first.analyzing) {
10866 SendToProgram("exit\n", &first);
10867 first.analyzing = FALSE;
10870 thinkOutput[0] = NULLCHAR;
10876 startedFromSetupPosition = TRUE;
10877 InitChessProgram(&first, FALSE);
10878 SendToProgram("force\n", &first);
10879 if (blackPlaysFirst) {
10880 strcpy(moveList[0], "");
10881 strcpy(parseList[0], "");
10882 currentMove = forwardMostMove = backwardMostMove = 1;
10883 CopyBoard(boards[1], boards[0]);
10884 /* [HGM] copy rights as well, as this code is also used after pasting a FEN */
10886 epStatus[1] = epStatus[0];
10887 for(i=0; i<nrCastlingRights; i++) castlingRights[1][i] = castlingRights[0][i];
10890 currentMove = forwardMostMove = backwardMostMove = 0;
10892 SendBoard(&first, forwardMostMove);
10893 if (appData.debugMode) {
10894 fprintf(debugFP, "EditPosDone\n");
10897 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10898 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10899 gameMode = EditGame;
10901 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10902 ClearHighlights(); /* [AS] */
10905 /* Pause for `ms' milliseconds */
10906 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
10916 } while (SubtractTimeMarks(&m2, &m1) < ms);
10919 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
10921 SendMultiLineToICS(buf)
10924 char temp[MSG_SIZ+1], *p;
10931 strncpy(temp, buf, len);
10936 if (*p == '\n' || *p == '\r')
10941 strcat(temp, "\n");
10943 SendToPlayer(temp, strlen(temp));
10947 SetWhiteToPlayEvent()
10949 if (gameMode == EditPosition) {
10950 blackPlaysFirst = FALSE;
10951 DisplayBothClocks(); /* works because currentMove is 0 */
10952 } else if (gameMode == IcsExamining) {
10953 SendToICS(ics_prefix);
10954 SendToICS("tomove white\n");
10959 SetBlackToPlayEvent()
10961 if (gameMode == EditPosition) {
10962 blackPlaysFirst = TRUE;
10963 currentMove = 1; /* kludge */
10964 DisplayBothClocks();
10966 } else if (gameMode == IcsExamining) {
10967 SendToICS(ics_prefix);
10968 SendToICS("tomove black\n");
10973 EditPositionMenuEvent(selection, x, y)
10974 ChessSquare selection;
10978 ChessSquare piece = boards[0][y][x];
10980 if (gameMode != EditPosition && gameMode != IcsExamining) return;
10982 switch (selection) {
10984 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
10985 SendToICS(ics_prefix);
10986 SendToICS("bsetup clear\n");
10987 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
10988 SendToICS(ics_prefix);
10989 SendToICS("clearboard\n");
10991 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
10992 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
10993 for (y = 0; y < BOARD_HEIGHT; y++) {
10994 if (gameMode == IcsExamining) {
10995 if (boards[currentMove][y][x] != EmptySquare) {
10996 sprintf(buf, "%sx@%c%c\n", ics_prefix,
11001 boards[0][y][x] = p;
11006 if (gameMode == EditPosition) {
11007 DrawPosition(FALSE, boards[0]);
11012 SetWhiteToPlayEvent();
11016 SetBlackToPlayEvent();
11020 if (gameMode == IcsExamining) {
11021 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
11024 boards[0][y][x] = EmptySquare;
11025 DrawPosition(FALSE, boards[0]);
11030 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
11031 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
11032 selection = (ChessSquare) (PROMOTED piece);
11033 } else if(piece == EmptySquare) selection = WhiteSilver;
11034 else selection = (ChessSquare)((int)piece - 1);
11038 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
11039 piece > (int)BlackMan && piece <= (int)BlackKing ) {
11040 selection = (ChessSquare) (DEMOTED piece);
11041 } else if(piece == EmptySquare) selection = BlackSilver;
11042 else selection = (ChessSquare)((int)piece + 1);
11047 if(gameInfo.variant == VariantShatranj ||
11048 gameInfo.variant == VariantXiangqi ||
11049 gameInfo.variant == VariantCourier )
11050 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
11055 if(gameInfo.variant == VariantXiangqi)
11056 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
11057 if(gameInfo.variant == VariantKnightmate)
11058 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
11061 if (gameMode == IcsExamining) {
11062 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
11063 PieceToChar(selection), AAA + x, ONE + y);
11066 boards[0][y][x] = selection;
11067 DrawPosition(FALSE, boards[0]);
11075 DropMenuEvent(selection, x, y)
11076 ChessSquare selection;
11079 ChessMove moveType;
11081 switch (gameMode) {
11082 case IcsPlayingWhite:
11083 case MachinePlaysBlack:
11084 if (!WhiteOnMove(currentMove)) {
11085 DisplayMoveError(_("It is Black's turn"));
11088 moveType = WhiteDrop;
11090 case IcsPlayingBlack:
11091 case MachinePlaysWhite:
11092 if (WhiteOnMove(currentMove)) {
11093 DisplayMoveError(_("It is White's turn"));
11096 moveType = BlackDrop;
11099 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
11105 if (moveType == BlackDrop && selection < BlackPawn) {
11106 selection = (ChessSquare) ((int) selection
11107 + (int) BlackPawn - (int) WhitePawn);
11109 if (boards[currentMove][y][x] != EmptySquare) {
11110 DisplayMoveError(_("That square is occupied"));
11114 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
11120 /* Accept a pending offer of any kind from opponent */
11122 if (appData.icsActive) {
11123 SendToICS(ics_prefix);
11124 SendToICS("accept\n");
11125 } else if (cmailMsgLoaded) {
11126 if (currentMove == cmailOldMove &&
11127 commentList[cmailOldMove] != NULL &&
11128 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11129 "Black offers a draw" : "White offers a draw")) {
11131 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11132 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11134 DisplayError(_("There is no pending offer on this move"), 0);
11135 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11138 /* Not used for offers from chess program */
11145 /* Decline a pending offer of any kind from opponent */
11147 if (appData.icsActive) {
11148 SendToICS(ics_prefix);
11149 SendToICS("decline\n");
11150 } else if (cmailMsgLoaded) {
11151 if (currentMove == cmailOldMove &&
11152 commentList[cmailOldMove] != NULL &&
11153 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11154 "Black offers a draw" : "White offers a draw")) {
11156 AppendComment(cmailOldMove, "Draw declined");
11157 DisplayComment(cmailOldMove - 1, "Draw declined");
11160 DisplayError(_("There is no pending offer on this move"), 0);
11163 /* Not used for offers from chess program */
11170 /* Issue ICS rematch command */
11171 if (appData.icsActive) {
11172 SendToICS(ics_prefix);
11173 SendToICS("rematch\n");
11180 /* Call your opponent's flag (claim a win on time) */
11181 if (appData.icsActive) {
11182 SendToICS(ics_prefix);
11183 SendToICS("flag\n");
11185 switch (gameMode) {
11188 case MachinePlaysWhite:
11191 GameEnds(GameIsDrawn, "Both players ran out of time",
11194 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
11196 DisplayError(_("Your opponent is not out of time"), 0);
11199 case MachinePlaysBlack:
11202 GameEnds(GameIsDrawn, "Both players ran out of time",
11205 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
11207 DisplayError(_("Your opponent is not out of time"), 0);
11217 /* Offer draw or accept pending draw offer from opponent */
11219 if (appData.icsActive) {
11220 /* Note: tournament rules require draw offers to be
11221 made after you make your move but before you punch
11222 your clock. Currently ICS doesn't let you do that;
11223 instead, you immediately punch your clock after making
11224 a move, but you can offer a draw at any time. */
11226 SendToICS(ics_prefix);
11227 SendToICS("draw\n");
11228 } else if (cmailMsgLoaded) {
11229 if (currentMove == cmailOldMove &&
11230 commentList[cmailOldMove] != NULL &&
11231 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11232 "Black offers a draw" : "White offers a draw")) {
11233 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11234 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11235 } else if (currentMove == cmailOldMove + 1) {
11236 char *offer = WhiteOnMove(cmailOldMove) ?
11237 "White offers a draw" : "Black offers a draw";
11238 AppendComment(currentMove, offer);
11239 DisplayComment(currentMove - 1, offer);
11240 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
11242 DisplayError(_("You must make your move before offering a draw"), 0);
11243 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11245 } else if (first.offeredDraw) {
11246 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
11248 if (first.sendDrawOffers) {
11249 SendToProgram("draw\n", &first);
11250 userOfferedDraw = TRUE;
11258 /* Offer Adjourn or accept pending Adjourn offer from opponent */
11260 if (appData.icsActive) {
11261 SendToICS(ics_prefix);
11262 SendToICS("adjourn\n");
11264 /* Currently GNU Chess doesn't offer or accept Adjourns */
11272 /* Offer Abort or accept pending Abort offer from opponent */
11274 if (appData.icsActive) {
11275 SendToICS(ics_prefix);
11276 SendToICS("abort\n");
11278 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
11285 /* Resign. You can do this even if it's not your turn. */
11287 if (appData.icsActive) {
11288 SendToICS(ics_prefix);
11289 SendToICS("resign\n");
11291 switch (gameMode) {
11292 case MachinePlaysWhite:
11293 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11295 case MachinePlaysBlack:
11296 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11299 if (cmailMsgLoaded) {
11301 if (WhiteOnMove(cmailOldMove)) {
11302 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11304 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11306 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
11317 StopObservingEvent()
11319 /* Stop observing current games */
11320 SendToICS(ics_prefix);
11321 SendToICS("unobserve\n");
11325 StopExaminingEvent()
11327 /* Stop observing current game */
11328 SendToICS(ics_prefix);
11329 SendToICS("unexamine\n");
11333 ForwardInner(target)
11338 if (appData.debugMode)
11339 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
11340 target, currentMove, forwardMostMove);
11342 if (gameMode == EditPosition)
11345 if (gameMode == PlayFromGameFile && !pausing)
11348 if (gameMode == IcsExamining && pausing)
11349 limit = pauseExamForwardMostMove;
11351 limit = forwardMostMove;
11353 if (target > limit) target = limit;
11355 if (target > 0 && moveList[target - 1][0]) {
11356 int fromX, fromY, toX, toY;
11357 toX = moveList[target - 1][2] - AAA;
11358 toY = moveList[target - 1][3] - ONE;
11359 if (moveList[target - 1][1] == '@') {
11360 if (appData.highlightLastMove) {
11361 SetHighlights(-1, -1, toX, toY);
11364 fromX = moveList[target - 1][0] - AAA;
11365 fromY = moveList[target - 1][1] - ONE;
11366 if (target == currentMove + 1) {
11367 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11369 if (appData.highlightLastMove) {
11370 SetHighlights(fromX, fromY, toX, toY);
11374 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11375 gameMode == Training || gameMode == PlayFromGameFile ||
11376 gameMode == AnalyzeFile) {
11377 while (currentMove < target) {
11378 SendMoveToProgram(currentMove++, &first);
11381 currentMove = target;
11384 if (gameMode == EditGame || gameMode == EndOfGame) {
11385 whiteTimeRemaining = timeRemaining[0][currentMove];
11386 blackTimeRemaining = timeRemaining[1][currentMove];
11388 DisplayBothClocks();
11389 DisplayMove(currentMove - 1);
11390 DrawPosition(FALSE, boards[currentMove]);
11391 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
11392 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
11393 DisplayComment(currentMove - 1, commentList[currentMove]);
11401 if (gameMode == IcsExamining && !pausing) {
11402 SendToICS(ics_prefix);
11403 SendToICS("forward\n");
11405 ForwardInner(currentMove + 1);
11412 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11413 /* to optimze, we temporarily turn off analysis mode while we feed
11414 * the remaining moves to the engine. Otherwise we get analysis output
11417 if (first.analysisSupport) {
11418 SendToProgram("exit\nforce\n", &first);
11419 first.analyzing = FALSE;
11423 if (gameMode == IcsExamining && !pausing) {
11424 SendToICS(ics_prefix);
11425 SendToICS("forward 999999\n");
11427 ForwardInner(forwardMostMove);
11430 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11431 /* we have fed all the moves, so reactivate analysis mode */
11432 SendToProgram("analyze\n", &first);
11433 first.analyzing = TRUE;
11434 /*first.maybeThinking = TRUE;*/
11435 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11440 BackwardInner(target)
11443 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
11445 if (appData.debugMode)
11446 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
11447 target, currentMove, forwardMostMove);
11449 if (gameMode == EditPosition) return;
11450 if (currentMove <= backwardMostMove) {
11452 DrawPosition(full_redraw, boards[currentMove]);
11455 if (gameMode == PlayFromGameFile && !pausing)
11458 if (moveList[target][0]) {
11459 int fromX, fromY, toX, toY;
11460 toX = moveList[target][2] - AAA;
11461 toY = moveList[target][3] - ONE;
11462 if (moveList[target][1] == '@') {
11463 if (appData.highlightLastMove) {
11464 SetHighlights(-1, -1, toX, toY);
11467 fromX = moveList[target][0] - AAA;
11468 fromY = moveList[target][1] - ONE;
11469 if (target == currentMove - 1) {
11470 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
11472 if (appData.highlightLastMove) {
11473 SetHighlights(fromX, fromY, toX, toY);
11477 if (gameMode == EditGame || gameMode==AnalyzeMode ||
11478 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
11479 while (currentMove > target) {
11480 SendToProgram("undo\n", &first);
11484 currentMove = target;
11487 if (gameMode == EditGame || gameMode == EndOfGame) {
11488 whiteTimeRemaining = timeRemaining[0][currentMove];
11489 blackTimeRemaining = timeRemaining[1][currentMove];
11491 DisplayBothClocks();
11492 DisplayMove(currentMove - 1);
11493 DrawPosition(full_redraw, boards[currentMove]);
11494 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
11495 // [HGM] PV info: routine tests if comment empty
11496 DisplayComment(currentMove - 1, commentList[currentMove]);
11502 if (gameMode == IcsExamining && !pausing) {
11503 SendToICS(ics_prefix);
11504 SendToICS("backward\n");
11506 BackwardInner(currentMove - 1);
11513 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11514 /* to optimze, we temporarily turn off analysis mode while we undo
11515 * all the moves. Otherwise we get analysis output after each undo.
11517 if (first.analysisSupport) {
11518 SendToProgram("exit\nforce\n", &first);
11519 first.analyzing = FALSE;
11523 if (gameMode == IcsExamining && !pausing) {
11524 SendToICS(ics_prefix);
11525 SendToICS("backward 999999\n");
11527 BackwardInner(backwardMostMove);
11530 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11531 /* we have fed all the moves, so reactivate analysis mode */
11532 SendToProgram("analyze\n", &first);
11533 first.analyzing = TRUE;
11534 /*first.maybeThinking = TRUE;*/
11535 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11542 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
11543 if (to >= forwardMostMove) to = forwardMostMove;
11544 if (to <= backwardMostMove) to = backwardMostMove;
11545 if (to < currentMove) {
11555 if (gameMode != IcsExamining) {
11556 DisplayError(_("You are not examining a game"), 0);
11560 DisplayError(_("You can't revert while pausing"), 0);
11563 SendToICS(ics_prefix);
11564 SendToICS("revert\n");
11570 switch (gameMode) {
11571 case MachinePlaysWhite:
11572 case MachinePlaysBlack:
11573 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11574 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11577 if (forwardMostMove < 2) return;
11578 currentMove = forwardMostMove = forwardMostMove - 2;
11579 whiteTimeRemaining = timeRemaining[0][currentMove];
11580 blackTimeRemaining = timeRemaining[1][currentMove];
11581 DisplayBothClocks();
11582 DisplayMove(currentMove - 1);
11583 ClearHighlights();/*!! could figure this out*/
11584 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
11585 SendToProgram("remove\n", &first);
11586 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
11589 case BeginningOfGame:
11593 case IcsPlayingWhite:
11594 case IcsPlayingBlack:
11595 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
11596 SendToICS(ics_prefix);
11597 SendToICS("takeback 2\n");
11599 SendToICS(ics_prefix);
11600 SendToICS("takeback 1\n");
11609 ChessProgramState *cps;
11611 switch (gameMode) {
11612 case MachinePlaysWhite:
11613 if (!WhiteOnMove(forwardMostMove)) {
11614 DisplayError(_("It is your turn"), 0);
11619 case MachinePlaysBlack:
11620 if (WhiteOnMove(forwardMostMove)) {
11621 DisplayError(_("It is your turn"), 0);
11626 case TwoMachinesPlay:
11627 if (WhiteOnMove(forwardMostMove) ==
11628 (first.twoMachinesColor[0] == 'w')) {
11634 case BeginningOfGame:
11638 SendToProgram("?\n", cps);
11642 TruncateGameEvent()
11645 if (gameMode != EditGame) return;
11652 if (forwardMostMove > currentMove) {
11653 if (gameInfo.resultDetails != NULL) {
11654 free(gameInfo.resultDetails);
11655 gameInfo.resultDetails = NULL;
11656 gameInfo.result = GameUnfinished;
11658 forwardMostMove = currentMove;
11659 HistorySet(parseList, backwardMostMove, forwardMostMove,
11667 if (appData.noChessProgram) return;
11668 switch (gameMode) {
11669 case MachinePlaysWhite:
11670 if (WhiteOnMove(forwardMostMove)) {
11671 DisplayError(_("Wait until your turn"), 0);
11675 case BeginningOfGame:
11676 case MachinePlaysBlack:
11677 if (!WhiteOnMove(forwardMostMove)) {
11678 DisplayError(_("Wait until your turn"), 0);
11683 DisplayError(_("No hint available"), 0);
11686 SendToProgram("hint\n", &first);
11687 hintRequested = TRUE;
11693 if (appData.noChessProgram) return;
11694 switch (gameMode) {
11695 case MachinePlaysWhite:
11696 if (WhiteOnMove(forwardMostMove)) {
11697 DisplayError(_("Wait until your turn"), 0);
11701 case BeginningOfGame:
11702 case MachinePlaysBlack:
11703 if (!WhiteOnMove(forwardMostMove)) {
11704 DisplayError(_("Wait until your turn"), 0);
11709 EditPositionDone();
11711 case TwoMachinesPlay:
11716 SendToProgram("bk\n", &first);
11717 bookOutput[0] = NULLCHAR;
11718 bookRequested = TRUE;
11724 char *tags = PGNTags(&gameInfo);
11725 TagsPopUp(tags, CmailMsg());
11729 /* end button procedures */
11732 PrintPosition(fp, move)
11738 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
11739 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
11740 char c = PieceToChar(boards[move][i][j]);
11741 fputc(c == 'x' ? '.' : c, fp);
11742 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
11745 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
11746 fprintf(fp, "white to play\n");
11748 fprintf(fp, "black to play\n");
11755 if (gameInfo.white != NULL) {
11756 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
11762 /* Find last component of program's own name, using some heuristics */
11764 TidyProgramName(prog, host, buf)
11765 char *prog, *host, buf[MSG_SIZ];
11768 int local = (strcmp(host, "localhost") == 0);
11769 while (!local && (p = strchr(prog, ';')) != NULL) {
11771 while (*p == ' ') p++;
11774 if (*prog == '"' || *prog == '\'') {
11775 q = strchr(prog + 1, *prog);
11777 q = strchr(prog, ' ');
11779 if (q == NULL) q = prog + strlen(prog);
11781 while (p >= prog && *p != '/' && *p != '\\') p--;
11783 if(p == prog && *p == '"') p++;
11784 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
11785 memcpy(buf, p, q - p);
11786 buf[q - p] = NULLCHAR;
11794 TimeControlTagValue()
11797 if (!appData.clockMode) {
11799 } else if (movesPerSession > 0) {
11800 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
11801 } else if (timeIncrement == 0) {
11802 sprintf(buf, "%ld", timeControl/1000);
11804 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
11806 return StrSave(buf);
11812 /* This routine is used only for certain modes */
11813 VariantClass v = gameInfo.variant;
11814 ClearGameInfo(&gameInfo);
11815 gameInfo.variant = v;
11817 switch (gameMode) {
11818 case MachinePlaysWhite:
11819 gameInfo.event = StrSave( appData.pgnEventHeader );
11820 gameInfo.site = StrSave(HostName());
11821 gameInfo.date = PGNDate();
11822 gameInfo.round = StrSave("-");
11823 gameInfo.white = StrSave(first.tidy);
11824 gameInfo.black = StrSave(UserName());
11825 gameInfo.timeControl = TimeControlTagValue();
11828 case MachinePlaysBlack:
11829 gameInfo.event = StrSave( appData.pgnEventHeader );
11830 gameInfo.site = StrSave(HostName());
11831 gameInfo.date = PGNDate();
11832 gameInfo.round = StrSave("-");
11833 gameInfo.white = StrSave(UserName());
11834 gameInfo.black = StrSave(first.tidy);
11835 gameInfo.timeControl = TimeControlTagValue();
11838 case TwoMachinesPlay:
11839 gameInfo.event = StrSave( appData.pgnEventHeader );
11840 gameInfo.site = StrSave(HostName());
11841 gameInfo.date = PGNDate();
11842 if (matchGame > 0) {
11844 sprintf(buf, "%d", matchGame);
11845 gameInfo.round = StrSave(buf);
11847 gameInfo.round = StrSave("-");
11849 if (first.twoMachinesColor[0] == 'w') {
11850 gameInfo.white = StrSave(first.tidy);
11851 gameInfo.black = StrSave(second.tidy);
11853 gameInfo.white = StrSave(second.tidy);
11854 gameInfo.black = StrSave(first.tidy);
11856 gameInfo.timeControl = TimeControlTagValue();
11860 gameInfo.event = StrSave("Edited game");
11861 gameInfo.site = StrSave(HostName());
11862 gameInfo.date = PGNDate();
11863 gameInfo.round = StrSave("-");
11864 gameInfo.white = StrSave("-");
11865 gameInfo.black = StrSave("-");
11869 gameInfo.event = StrSave("Edited position");
11870 gameInfo.site = StrSave(HostName());
11871 gameInfo.date = PGNDate();
11872 gameInfo.round = StrSave("-");
11873 gameInfo.white = StrSave("-");
11874 gameInfo.black = StrSave("-");
11877 case IcsPlayingWhite:
11878 case IcsPlayingBlack:
11883 case PlayFromGameFile:
11884 gameInfo.event = StrSave("Game from non-PGN file");
11885 gameInfo.site = StrSave(HostName());
11886 gameInfo.date = PGNDate();
11887 gameInfo.round = StrSave("-");
11888 gameInfo.white = StrSave("?");
11889 gameInfo.black = StrSave("?");
11898 ReplaceComment(index, text)
11904 while (*text == '\n') text++;
11905 len = strlen(text);
11906 while (len > 0 && text[len - 1] == '\n') len--;
11908 if (commentList[index] != NULL)
11909 free(commentList[index]);
11912 commentList[index] = NULL;
11915 commentList[index] = (char *) malloc(len + 2);
11916 strncpy(commentList[index], text, len);
11917 commentList[index][len] = '\n';
11918 commentList[index][len + 1] = NULLCHAR;
11931 if (ch == '\r') continue;
11933 } while (ch != '\0');
11937 AppendComment(index, text)
11944 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
11947 while (*text == '\n') text++;
11948 len = strlen(text);
11949 while (len > 0 && text[len - 1] == '\n') len--;
11951 if (len == 0) return;
11953 if (commentList[index] != NULL) {
11954 old = commentList[index];
11955 oldlen = strlen(old);
11956 commentList[index] = (char *) malloc(oldlen + len + 2);
11957 strcpy(commentList[index], old);
11959 strncpy(&commentList[index][oldlen], text, len);
11960 commentList[index][oldlen + len] = '\n';
11961 commentList[index][oldlen + len + 1] = NULLCHAR;
11963 commentList[index] = (char *) malloc(len + 2);
11964 strncpy(commentList[index], text, len);
11965 commentList[index][len] = '\n';
11966 commentList[index][len + 1] = NULLCHAR;
11970 static char * FindStr( char * text, char * sub_text )
11972 char * result = strstr( text, sub_text );
11974 if( result != NULL ) {
11975 result += strlen( sub_text );
11981 /* [AS] Try to extract PV info from PGN comment */
11982 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
11983 char *GetInfoFromComment( int index, char * text )
11987 if( text != NULL && index > 0 ) {
11990 int time = -1, sec = 0, deci;
11991 char * s_eval = FindStr( text, "[%eval " );
11992 char * s_emt = FindStr( text, "[%emt " );
11994 if( s_eval != NULL || s_emt != NULL ) {
11998 if( s_eval != NULL ) {
11999 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
12003 if( delim != ']' ) {
12008 if( s_emt != NULL ) {
12012 /* We expect something like: [+|-]nnn.nn/dd */
12015 sep = strchr( text, '/' );
12016 if( sep == NULL || sep < (text+4) ) {
12020 time = -1; sec = -1; deci = -1;
12021 if( sscanf( text, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
12022 sscanf( text, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
12023 sscanf( text, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
12024 sscanf( text, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
12028 if( score_lo < 0 || score_lo >= 100 ) {
12032 if(sec >= 0) time = 600*time + 10*sec; else
12033 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
12035 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
12037 /* [HGM] PV time: now locate end of PV info */
12038 while( *++sep >= '0' && *sep <= '9'); // strip depth
12040 while( *++sep >= '0' && *sep <= '9'); // strip time
12042 while( *++sep >= '0' && *sep <= '9'); // strip seconds
12044 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
12045 while(*sep == ' ') sep++;
12056 pvInfoList[index-1].depth = depth;
12057 pvInfoList[index-1].score = score;
12058 pvInfoList[index-1].time = 10*time; // centi-sec
12064 SendToProgram(message, cps)
12066 ChessProgramState *cps;
12068 int count, outCount, error;
12071 if (cps->pr == NULL) return;
12074 if (appData.debugMode) {
12077 fprintf(debugFP, "%ld >%-6s: %s",
12078 SubtractTimeMarks(&now, &programStartTime),
12079 cps->which, message);
12082 count = strlen(message);
12083 outCount = OutputToProcess(cps->pr, message, count, &error);
12084 if (outCount < count && !exiting
12085 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
12086 sprintf(buf, _("Error writing to %s chess program"), cps->which);
12087 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12088 if(epStatus[forwardMostMove] <= EP_DRAWS) {
12089 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12090 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
12092 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12094 gameInfo.resultDetails = buf;
12096 DisplayFatalError(buf, error, 1);
12101 ReceiveFromProgram(isr, closure, message, count, error)
12102 InputSourceRef isr;
12110 ChessProgramState *cps = (ChessProgramState *)closure;
12112 if (isr != cps->isr) return; /* Killed intentionally */
12116 _("Error: %s chess program (%s) exited unexpectedly"),
12117 cps->which, cps->program);
12118 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12119 if(epStatus[forwardMostMove] <= EP_DRAWS) {
12120 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12121 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
12123 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12125 gameInfo.resultDetails = buf;
12127 RemoveInputSource(cps->isr);
12128 DisplayFatalError(buf, 0, 1);
12131 _("Error reading from %s chess program (%s)"),
12132 cps->which, cps->program);
12133 RemoveInputSource(cps->isr);
12135 /* [AS] Program is misbehaving badly... kill it */
12136 if( count == -2 ) {
12137 DestroyChildProcess( cps->pr, 9 );
12141 DisplayFatalError(buf, error, 1);
12146 if ((end_str = strchr(message, '\r')) != NULL)
12147 *end_str = NULLCHAR;
12148 if ((end_str = strchr(message, '\n')) != NULL)
12149 *end_str = NULLCHAR;
12151 if (appData.debugMode) {
12152 TimeMark now; int print = 1;
12153 char *quote = ""; char c; int i;
12155 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
12156 char start = message[0];
12157 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
12158 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
12159 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
12160 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
12161 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
12162 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
12163 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 && start != '#')
12164 { quote = "# "; print = (appData.engineComments == 2); }
12165 message[0] = start; // restore original message
12169 fprintf(debugFP, "%ld <%-6s: %s%s\n",
12170 SubtractTimeMarks(&now, &programStartTime), cps->which,
12176 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
12177 if (appData.icsEngineAnalyze) {
12178 if (strstr(message, "whisper") != NULL ||
12179 strstr(message, "kibitz") != NULL ||
12180 strstr(message, "tellics") != NULL) return;
12183 HandleMachineMove(message, cps);
12188 SendTimeControl(cps, mps, tc, inc, sd, st)
12189 ChessProgramState *cps;
12190 int mps, inc, sd, st;
12196 if( timeControl_2 > 0 ) {
12197 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
12198 tc = timeControl_2;
12201 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
12202 inc /= cps->timeOdds;
12203 st /= cps->timeOdds;
12205 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
12208 /* Set exact time per move, normally using st command */
12209 if (cps->stKludge) {
12210 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
12212 if (seconds == 0) {
12213 sprintf(buf, "level 1 %d\n", st/60);
12215 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
12218 sprintf(buf, "st %d\n", st);
12221 /* Set conventional or incremental time control, using level command */
12222 if (seconds == 0) {
12223 /* Note old gnuchess bug -- minutes:seconds used to not work.
12224 Fixed in later versions, but still avoid :seconds
12225 when seconds is 0. */
12226 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
12228 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
12229 seconds, inc/1000);
12232 SendToProgram(buf, cps);
12234 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
12235 /* Orthogonally, limit search to given depth */
12237 if (cps->sdKludge) {
12238 sprintf(buf, "depth\n%d\n", sd);
12240 sprintf(buf, "sd %d\n", sd);
12242 SendToProgram(buf, cps);
12245 if(cps->nps > 0) { /* [HGM] nps */
12246 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
12248 sprintf(buf, "nps %d\n", cps->nps);
12249 SendToProgram(buf, cps);
12254 ChessProgramState *WhitePlayer()
12255 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
12257 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
12258 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
12264 SendTimeRemaining(cps, machineWhite)
12265 ChessProgramState *cps;
12266 int /*boolean*/ machineWhite;
12268 char message[MSG_SIZ];
12271 /* Note: this routine must be called when the clocks are stopped
12272 or when they have *just* been set or switched; otherwise
12273 it will be off by the time since the current tick started.
12275 if (machineWhite) {
12276 time = whiteTimeRemaining / 10;
12277 otime = blackTimeRemaining / 10;
12279 time = blackTimeRemaining / 10;
12280 otime = whiteTimeRemaining / 10;
12282 /* [HGM] translate opponent's time by time-odds factor */
12283 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
12284 if (appData.debugMode) {
12285 fprintf(debugFP, "time odds: %d %d \n", cps->timeOdds, cps->other->timeOdds);
12288 if (time <= 0) time = 1;
12289 if (otime <= 0) otime = 1;
12291 sprintf(message, "time %ld\n", time);
12292 SendToProgram(message, cps);
12294 sprintf(message, "otim %ld\n", otime);
12295 SendToProgram(message, cps);
12299 BoolFeature(p, name, loc, cps)
12303 ChessProgramState *cps;
12306 int len = strlen(name);
12308 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12310 sscanf(*p, "%d", &val);
12312 while (**p && **p != ' ') (*p)++;
12313 sprintf(buf, "accepted %s\n", name);
12314 SendToProgram(buf, cps);
12321 IntFeature(p, name, loc, cps)
12325 ChessProgramState *cps;
12328 int len = strlen(name);
12329 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12331 sscanf(*p, "%d", loc);
12332 while (**p && **p != ' ') (*p)++;
12333 sprintf(buf, "accepted %s\n", name);
12334 SendToProgram(buf, cps);
12341 StringFeature(p, name, loc, cps)
12345 ChessProgramState *cps;
12348 int len = strlen(name);
12349 if (strncmp((*p), name, len) == 0
12350 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
12352 sscanf(*p, "%[^\"]", loc);
12353 while (**p && **p != '\"') (*p)++;
12354 if (**p == '\"') (*p)++;
12355 sprintf(buf, "accepted %s\n", name);
12356 SendToProgram(buf, cps);
12363 ParseOption(Option *opt, ChessProgramState *cps)
12364 // [HGM] options: process the string that defines an engine option, and determine
12365 // name, type, default value, and allowed value range
12367 char *p, *q, buf[MSG_SIZ];
12368 int n, min = (-1)<<31, max = 1<<31, def;
12370 if(p = strstr(opt->name, " -spin ")) {
12371 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
12372 if(max < min) max = min; // enforce consistency
12373 if(def < min) def = min;
12374 if(def > max) def = max;
12379 } else if(p = strstr(opt->name, " -string ")) {
12380 opt->textValue = p+9;
12381 opt->type = TextBox;
12382 } else if(p = strstr(opt->name, " -check ")) {
12383 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
12384 opt->value = (def != 0);
12385 opt->type = CheckBox;
12386 } else if(p = strstr(opt->name, " -combo ")) {
12387 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
12388 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
12389 opt->value = n = 0;
12390 while(q = StrStr(q, " /// ")) {
12391 n++; *q = 0; // count choices, and null-terminate each of them
12393 if(*q == '*') { // remember default, which is marked with * prefix
12397 cps->comboList[cps->comboCnt++] = q;
12399 cps->comboList[cps->comboCnt++] = NULL;
12401 opt->type = ComboBox;
12402 } else if(p = strstr(opt->name, " -button")) {
12403 opt->type = Button;
12404 } else if(p = strstr(opt->name, " -save")) {
12405 opt->type = SaveButton;
12406 } else return FALSE;
12407 *p = 0; // terminate option name
12408 // now look if the command-line options define a setting for this engine option.
12409 if(cps->optionSettings && cps->optionSettings[0])
12410 p = strstr(cps->optionSettings, opt->name); else p = NULL;
12411 if(p && (p == cps->optionSettings || p[-1] == ',')) {
12412 sprintf(buf, "option %s", p);
12413 if(p = strstr(buf, ",")) *p = 0;
12415 SendToProgram(buf, cps);
12421 FeatureDone(cps, val)
12422 ChessProgramState* cps;
12425 DelayedEventCallback cb = GetDelayedEvent();
12426 if ((cb == InitBackEnd3 && cps == &first) ||
12427 (cb == TwoMachinesEventIfReady && cps == &second)) {
12428 CancelDelayedEvent();
12429 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
12431 cps->initDone = val;
12434 /* Parse feature command from engine */
12436 ParseFeatures(args, cps)
12438 ChessProgramState *cps;
12446 while (*p == ' ') p++;
12447 if (*p == NULLCHAR) return;
12449 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
12450 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
12451 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
12452 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
12453 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
12454 if (BoolFeature(&p, "reuse", &val, cps)) {
12455 /* Engine can disable reuse, but can't enable it if user said no */
12456 if (!val) cps->reuse = FALSE;
12459 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
12460 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
12461 if (gameMode == TwoMachinesPlay) {
12462 DisplayTwoMachinesTitle();
12468 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
12469 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
12470 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
12471 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
12472 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
12473 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
12474 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
12475 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
12476 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
12477 if (IntFeature(&p, "done", &val, cps)) {
12478 FeatureDone(cps, val);
12481 /* Added by Tord: */
12482 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
12483 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
12484 /* End of additions by Tord */
12486 /* [HGM] added features: */
12487 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
12488 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
12489 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
12490 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
12491 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
12492 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
12493 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
12494 ParseOption(&(cps->option[cps->nrOptions++]), cps); // [HGM] options: add option feature
12495 if(cps->nrOptions >= MAX_OPTIONS) {
12497 sprintf(buf, "%s engine has too many options\n", cps->which);
12498 DisplayError(buf, 0);
12502 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
12503 /* End of additions by HGM */
12505 /* unknown feature: complain and skip */
12507 while (*q && *q != '=') q++;
12508 sprintf(buf, "rejected %.*s\n", q-p, p);
12509 SendToProgram(buf, cps);
12515 while (*p && *p != '\"') p++;
12516 if (*p == '\"') p++;
12518 while (*p && *p != ' ') p++;
12526 PeriodicUpdatesEvent(newState)
12529 if (newState == appData.periodicUpdates)
12532 appData.periodicUpdates=newState;
12534 /* Display type changes, so update it now */
12537 /* Get the ball rolling again... */
12539 AnalysisPeriodicEvent(1);
12540 StartAnalysisClock();
12545 PonderNextMoveEvent(newState)
12548 if (newState == appData.ponderNextMove) return;
12549 if (gameMode == EditPosition) EditPositionDone();
12551 SendToProgram("hard\n", &first);
12552 if (gameMode == TwoMachinesPlay) {
12553 SendToProgram("hard\n", &second);
12556 SendToProgram("easy\n", &first);
12557 thinkOutput[0] = NULLCHAR;
12558 if (gameMode == TwoMachinesPlay) {
12559 SendToProgram("easy\n", &second);
12562 appData.ponderNextMove = newState;
12566 NewSettingEvent(option, command, value)
12572 if (gameMode == EditPosition) EditPositionDone();
12573 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
12574 SendToProgram(buf, &first);
12575 if (gameMode == TwoMachinesPlay) {
12576 SendToProgram(buf, &second);
12581 ShowThinkingEvent()
12582 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
12584 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
12585 int newState = appData.showThinking
12586 // [HGM] thinking: other features now need thinking output as well
12587 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
12589 if (oldState == newState) return;
12590 oldState = newState;
12591 if (gameMode == EditPosition) EditPositionDone();
12593 SendToProgram("post\n", &first);
12594 if (gameMode == TwoMachinesPlay) {
12595 SendToProgram("post\n", &second);
12598 SendToProgram("nopost\n", &first);
12599 thinkOutput[0] = NULLCHAR;
12600 if (gameMode == TwoMachinesPlay) {
12601 SendToProgram("nopost\n", &second);
12604 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
12608 AskQuestionEvent(title, question, replyPrefix, which)
12609 char *title; char *question; char *replyPrefix; char *which;
12611 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
12612 if (pr == NoProc) return;
12613 AskQuestion(title, question, replyPrefix, pr);
12617 DisplayMove(moveNumber)
12620 char message[MSG_SIZ];
12622 char cpThinkOutput[MSG_SIZ];
12624 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
12626 if (moveNumber == forwardMostMove - 1 ||
12627 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12629 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
12631 if (strchr(cpThinkOutput, '\n')) {
12632 *strchr(cpThinkOutput, '\n') = NULLCHAR;
12635 *cpThinkOutput = NULLCHAR;
12638 /* [AS] Hide thinking from human user */
12639 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
12640 *cpThinkOutput = NULLCHAR;
12641 if( thinkOutput[0] != NULLCHAR ) {
12644 for( i=0; i<=hiddenThinkOutputState; i++ ) {
12645 cpThinkOutput[i] = '.';
12647 cpThinkOutput[i] = NULLCHAR;
12648 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
12652 if (moveNumber == forwardMostMove - 1 &&
12653 gameInfo.resultDetails != NULL) {
12654 if (gameInfo.resultDetails[0] == NULLCHAR) {
12655 sprintf(res, " %s", PGNResult(gameInfo.result));
12657 sprintf(res, " {%s} %s",
12658 gameInfo.resultDetails, PGNResult(gameInfo.result));
12664 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
12665 DisplayMessage(res, cpThinkOutput);
12667 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
12668 WhiteOnMove(moveNumber) ? " " : ".. ",
12669 parseList[moveNumber], res);
12670 DisplayMessage(message, cpThinkOutput);
12675 DisplayAnalysisText(text)
12680 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile
12681 || appData.icsEngineAnalyze) {
12682 sprintf(buf, "Analysis (%s)", first.tidy);
12683 AnalysisPopUp(buf, text);
12691 while (*str && isspace(*str)) ++str;
12692 while (*str && !isspace(*str)) ++str;
12693 if (!*str) return 1;
12694 while (*str && isspace(*str)) ++str;
12695 if (!*str) return 1;
12703 char lst[MSG_SIZ / 2];
12705 static char *xtra[] = { "", " (--)", " (++)" };
12708 if (programStats.time == 0) {
12709 programStats.time = 1;
12712 if (programStats.got_only_move) {
12713 safeStrCpy(buf, programStats.movelist, sizeof(buf));
12715 safeStrCpy( lst, programStats.movelist, sizeof(lst));
12717 nps = (u64ToDouble(programStats.nodes) /
12718 ((double)programStats.time /100.0));
12720 cs = programStats.time % 100;
12721 s = programStats.time / 100;
12727 if (programStats.moves_left > 0 && appData.periodicUpdates) {
12728 if (programStats.move_name[0] != NULLCHAR) {
12729 sprintf(buf, "depth=%d %d/%d(%s) %+.2f %s%s\nNodes: " u64Display " NPS: %d\nTime: %02d:%02d:%02d.%02d",
12730 programStats.depth,
12731 programStats.nr_moves-programStats.moves_left,
12732 programStats.nr_moves, programStats.move_name,
12733 ((float)programStats.score)/100.0, lst,
12734 only_one_move(lst)?
12735 xtra[programStats.got_fail] : "",
12736 (u64)programStats.nodes, (int)nps, h, m, s, cs);
12738 sprintf(buf, "depth=%d %d/%d %+.2f %s%s\nNodes: " u64Display " NPS: %d\nTime: %02d:%02d:%02d.%02d",
12739 programStats.depth,
12740 programStats.nr_moves-programStats.moves_left,
12741 programStats.nr_moves, ((float)programStats.score)/100.0,
12743 only_one_move(lst)?
12744 xtra[programStats.got_fail] : "",
12745 (u64)programStats.nodes, (int)nps, h, m, s, cs);
12748 sprintf(buf, "depth=%d %+.2f %s%s\nNodes: " u64Display " NPS: %d\nTime: %02d:%02d:%02d.%02d",
12749 programStats.depth,
12750 ((float)programStats.score)/100.0,
12752 only_one_move(lst)?
12753 xtra[programStats.got_fail] : "",
12754 (u64)programStats.nodes, (int)nps, h, m, s, cs);
12757 DisplayAnalysisText(buf);
12761 DisplayComment(moveNumber, text)
12765 char title[MSG_SIZ];
12766 char buf[8000]; // comment can be long!
12769 if( appData.autoDisplayComment ) {
12770 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
12771 strcpy(title, "Comment");
12773 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
12774 WhiteOnMove(moveNumber) ? " " : ".. ",
12775 parseList[moveNumber]);
12777 // [HGM] PV info: display PV info together with (or as) comment
12778 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
12779 if(text == NULL) text = "";
12780 score = pvInfoList[moveNumber].score;
12781 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
12782 depth, (pvInfoList[moveNumber].time+50)/100, text);
12785 } else title[0] = 0;
12788 CommentPopUp(title, text);
12791 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
12792 * might be busy thinking or pondering. It can be omitted if your
12793 * gnuchess is configured to stop thinking immediately on any user
12794 * input. However, that gnuchess feature depends on the FIONREAD
12795 * ioctl, which does not work properly on some flavors of Unix.
12799 ChessProgramState *cps;
12802 if (!cps->useSigint) return;
12803 if (appData.noChessProgram || (cps->pr == NoProc)) return;
12804 switch (gameMode) {
12805 case MachinePlaysWhite:
12806 case MachinePlaysBlack:
12807 case TwoMachinesPlay:
12808 case IcsPlayingWhite:
12809 case IcsPlayingBlack:
12812 /* Skip if we know it isn't thinking */
12813 if (!cps->maybeThinking) return;
12814 if (appData.debugMode)
12815 fprintf(debugFP, "Interrupting %s\n", cps->which);
12816 InterruptChildProcess(cps->pr);
12817 cps->maybeThinking = FALSE;
12822 #endif /*ATTENTION*/
12828 if (whiteTimeRemaining <= 0) {
12831 if (appData.icsActive) {
12832 if (appData.autoCallFlag &&
12833 gameMode == IcsPlayingBlack && !blackFlag) {
12834 SendToICS(ics_prefix);
12835 SendToICS("flag\n");
12839 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
12841 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
12842 if (appData.autoCallFlag) {
12843 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
12850 if (blackTimeRemaining <= 0) {
12853 if (appData.icsActive) {
12854 if (appData.autoCallFlag &&
12855 gameMode == IcsPlayingWhite && !whiteFlag) {
12856 SendToICS(ics_prefix);
12857 SendToICS("flag\n");
12861 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
12863 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
12864 if (appData.autoCallFlag) {
12865 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
12878 if (!appData.clockMode || appData.icsActive ||
12879 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
12882 * add time to clocks when time control is achieved ([HGM] now also used for increment)
12884 if ( !WhiteOnMove(forwardMostMove) )
12885 /* White made time control */
12886 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
12887 /* [HGM] time odds: correct new time quota for time odds! */
12888 / WhitePlayer()->timeOdds;
12890 /* Black made time control */
12891 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
12892 / WhitePlayer()->other->timeOdds;
12896 DisplayBothClocks()
12898 int wom = gameMode == EditPosition ?
12899 !blackPlaysFirst : WhiteOnMove(currentMove);
12900 DisplayWhiteClock(whiteTimeRemaining, wom);
12901 DisplayBlackClock(blackTimeRemaining, !wom);
12905 /* Timekeeping seems to be a portability nightmare. I think everyone
12906 has ftime(), but I'm really not sure, so I'm including some ifdefs
12907 to use other calls if you don't. Clocks will be less accurate if
12908 you have neither ftime nor gettimeofday.
12911 /* VS 2008 requires the #include outside of the function */
12912 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
12913 #include <sys/timeb.h>
12916 /* Get the current time as a TimeMark */
12921 #if HAVE_GETTIMEOFDAY
12923 struct timeval timeVal;
12924 struct timezone timeZone;
12926 gettimeofday(&timeVal, &timeZone);
12927 tm->sec = (long) timeVal.tv_sec;
12928 tm->ms = (int) (timeVal.tv_usec / 1000L);
12930 #else /*!HAVE_GETTIMEOFDAY*/
12933 // include <sys/timeb.h> / moved to just above start of function
12934 struct timeb timeB;
12937 tm->sec = (long) timeB.time;
12938 tm->ms = (int) timeB.millitm;
12940 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
12941 tm->sec = (long) time(NULL);
12947 /* Return the difference in milliseconds between two
12948 time marks. We assume the difference will fit in a long!
12951 SubtractTimeMarks(tm2, tm1)
12952 TimeMark *tm2, *tm1;
12954 return 1000L*(tm2->sec - tm1->sec) +
12955 (long) (tm2->ms - tm1->ms);
12960 * Code to manage the game clocks.
12962 * In tournament play, black starts the clock and then white makes a move.
12963 * We give the human user a slight advantage if he is playing white---the
12964 * clocks don't run until he makes his first move, so it takes zero time.
12965 * Also, we don't account for network lag, so we could get out of sync
12966 * with GNU Chess's clock -- but then, referees are always right.
12969 static TimeMark tickStartTM;
12970 static long intendedTickLength;
12973 NextTickLength(timeRemaining)
12974 long timeRemaining;
12976 long nominalTickLength, nextTickLength;
12978 if (timeRemaining > 0L && timeRemaining <= 10000L)
12979 nominalTickLength = 100L;
12981 nominalTickLength = 1000L;
12982 nextTickLength = timeRemaining % nominalTickLength;
12983 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
12985 return nextTickLength;
12988 /* Adjust clock one minute up or down */
12990 AdjustClock(Boolean which, int dir)
12992 if(which) blackTimeRemaining += 60000*dir;
12993 else whiteTimeRemaining += 60000*dir;
12994 DisplayBothClocks();
12997 /* Stop clocks and reset to a fresh time control */
13001 (void) StopClockTimer();
13002 if (appData.icsActive) {
13003 whiteTimeRemaining = blackTimeRemaining = 0;
13004 } else { /* [HGM] correct new time quote for time odds */
13005 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
13006 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
13008 if (whiteFlag || blackFlag) {
13010 whiteFlag = blackFlag = FALSE;
13012 DisplayBothClocks();
13015 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
13017 /* Decrement running clock by amount of time that has passed */
13021 long timeRemaining;
13022 long lastTickLength, fudge;
13025 if (!appData.clockMode) return;
13026 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
13030 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13032 /* Fudge if we woke up a little too soon */
13033 fudge = intendedTickLength - lastTickLength;
13034 if (fudge < 0 || fudge > FUDGE) fudge = 0;
13036 if (WhiteOnMove(forwardMostMove)) {
13037 if(whiteNPS >= 0) lastTickLength = 0;
13038 timeRemaining = whiteTimeRemaining -= lastTickLength;
13039 DisplayWhiteClock(whiteTimeRemaining - fudge,
13040 WhiteOnMove(currentMove));
13042 if(blackNPS >= 0) lastTickLength = 0;
13043 timeRemaining = blackTimeRemaining -= lastTickLength;
13044 DisplayBlackClock(blackTimeRemaining - fudge,
13045 !WhiteOnMove(currentMove));
13048 if (CheckFlags()) return;
13051 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
13052 StartClockTimer(intendedTickLength);
13054 /* if the time remaining has fallen below the alarm threshold, sound the
13055 * alarm. if the alarm has sounded and (due to a takeback or time control
13056 * with increment) the time remaining has increased to a level above the
13057 * threshold, reset the alarm so it can sound again.
13060 if (appData.icsActive && appData.icsAlarm) {
13062 /* make sure we are dealing with the user's clock */
13063 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
13064 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
13067 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
13068 alarmSounded = FALSE;
13069 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
13071 alarmSounded = TRUE;
13077 /* A player has just moved, so stop the previously running
13078 clock and (if in clock mode) start the other one.
13079 We redisplay both clocks in case we're in ICS mode, because
13080 ICS gives us an update to both clocks after every move.
13081 Note that this routine is called *after* forwardMostMove
13082 is updated, so the last fractional tick must be subtracted
13083 from the color that is *not* on move now.
13088 long lastTickLength;
13090 int flagged = FALSE;
13094 if (StopClockTimer() && appData.clockMode) {
13095 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13096 if (WhiteOnMove(forwardMostMove)) {
13097 if(blackNPS >= 0) lastTickLength = 0;
13098 blackTimeRemaining -= lastTickLength;
13099 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13100 // if(pvInfoList[forwardMostMove-1].time == -1)
13101 pvInfoList[forwardMostMove-1].time = // use GUI time
13102 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
13104 if(whiteNPS >= 0) lastTickLength = 0;
13105 whiteTimeRemaining -= lastTickLength;
13106 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13107 // if(pvInfoList[forwardMostMove-1].time == -1)
13108 pvInfoList[forwardMostMove-1].time =
13109 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
13111 flagged = CheckFlags();
13113 CheckTimeControl();
13115 if (flagged || !appData.clockMode) return;
13117 switch (gameMode) {
13118 case MachinePlaysBlack:
13119 case MachinePlaysWhite:
13120 case BeginningOfGame:
13121 if (pausing) return;
13125 case PlayFromGameFile:
13134 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13135 whiteTimeRemaining : blackTimeRemaining);
13136 StartClockTimer(intendedTickLength);
13140 /* Stop both clocks */
13144 long lastTickLength;
13147 if (!StopClockTimer()) return;
13148 if (!appData.clockMode) return;
13152 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13153 if (WhiteOnMove(forwardMostMove)) {
13154 if(whiteNPS >= 0) lastTickLength = 0;
13155 whiteTimeRemaining -= lastTickLength;
13156 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
13158 if(blackNPS >= 0) lastTickLength = 0;
13159 blackTimeRemaining -= lastTickLength;
13160 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
13165 /* Start clock of player on move. Time may have been reset, so
13166 if clock is already running, stop and restart it. */
13170 (void) StopClockTimer(); /* in case it was running already */
13171 DisplayBothClocks();
13172 if (CheckFlags()) return;
13174 if (!appData.clockMode) return;
13175 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
13177 GetTimeMark(&tickStartTM);
13178 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13179 whiteTimeRemaining : blackTimeRemaining);
13181 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
13182 whiteNPS = blackNPS = -1;
13183 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
13184 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
13185 whiteNPS = first.nps;
13186 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
13187 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
13188 blackNPS = first.nps;
13189 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
13190 whiteNPS = second.nps;
13191 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
13192 blackNPS = second.nps;
13193 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
13195 StartClockTimer(intendedTickLength);
13202 long second, minute, hour, day;
13204 static char buf[32];
13206 if (ms > 0 && ms <= 9900) {
13207 /* convert milliseconds to tenths, rounding up */
13208 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
13210 sprintf(buf, " %03.1f ", tenths/10.0);
13214 /* convert milliseconds to seconds, rounding up */
13215 /* use floating point to avoid strangeness of integer division
13216 with negative dividends on many machines */
13217 second = (long) floor(((double) (ms + 999L)) / 1000.0);
13224 day = second / (60 * 60 * 24);
13225 second = second % (60 * 60 * 24);
13226 hour = second / (60 * 60);
13227 second = second % (60 * 60);
13228 minute = second / 60;
13229 second = second % 60;
13232 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
13233 sign, day, hour, minute, second);
13235 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
13237 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
13244 * This is necessary because some C libraries aren't ANSI C compliant yet.
13247 StrStr(string, match)
13248 char *string, *match;
13252 length = strlen(match);
13254 for (i = strlen(string) - length; i >= 0; i--, string++)
13255 if (!strncmp(match, string, length))
13262 StrCaseStr(string, match)
13263 char *string, *match;
13267 length = strlen(match);
13269 for (i = strlen(string) - length; i >= 0; i--, string++) {
13270 for (j = 0; j < length; j++) {
13271 if (ToLower(match[j]) != ToLower(string[j]))
13274 if (j == length) return string;
13288 c1 = ToLower(*s1++);
13289 c2 = ToLower(*s2++);
13290 if (c1 > c2) return 1;
13291 if (c1 < c2) return -1;
13292 if (c1 == NULLCHAR) return 0;
13301 return isupper(c) ? tolower(c) : c;
13309 return islower(c) ? toupper(c) : c;
13311 #endif /* !_amigados */
13319 if ((ret = (char *) malloc(strlen(s) + 1))) {
13326 StrSavePtr(s, savePtr)
13327 char *s, **savePtr;
13332 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
13333 strcpy(*savePtr, s);
13345 clock = time((time_t *)NULL);
13346 tm = localtime(&clock);
13347 sprintf(buf, "%04d.%02d.%02d",
13348 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
13349 return StrSave(buf);
13354 PositionToFEN(move, overrideCastling)
13356 char *overrideCastling;
13358 int i, j, fromX, fromY, toX, toY;
13365 whiteToPlay = (gameMode == EditPosition) ?
13366 !blackPlaysFirst : (move % 2 == 0);
13369 /* Piece placement data */
13370 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13372 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13373 if (boards[move][i][j] == EmptySquare) {
13375 } else { ChessSquare piece = boards[move][i][j];
13376 if (emptycount > 0) {
13377 if(emptycount<10) /* [HGM] can be >= 10 */
13378 *p++ = '0' + emptycount;
13379 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13382 if(PieceToChar(piece) == '+') {
13383 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
13385 piece = (ChessSquare)(DEMOTED piece);
13387 *p++ = PieceToChar(piece);
13389 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
13390 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
13395 if (emptycount > 0) {
13396 if(emptycount<10) /* [HGM] can be >= 10 */
13397 *p++ = '0' + emptycount;
13398 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13405 /* [HGM] print Crazyhouse or Shogi holdings */
13406 if( gameInfo.holdingsWidth ) {
13407 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
13409 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
13410 piece = boards[move][i][BOARD_WIDTH-1];
13411 if( piece != EmptySquare )
13412 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
13413 *p++ = PieceToChar(piece);
13415 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
13416 piece = boards[move][BOARD_HEIGHT-i-1][0];
13417 if( piece != EmptySquare )
13418 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
13419 *p++ = PieceToChar(piece);
13422 if( q == p ) *p++ = '-';
13428 *p++ = whiteToPlay ? 'w' : 'b';
13431 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
13432 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' ';
13434 if(nrCastlingRights) {
13436 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
13437 /* [HGM] write directly from rights */
13438 if(castlingRights[move][2] >= 0 &&
13439 castlingRights[move][0] >= 0 )
13440 *p++ = castlingRights[move][0] + AAA + 'A' - 'a';
13441 if(castlingRights[move][2] >= 0 &&
13442 castlingRights[move][1] >= 0 )
13443 *p++ = castlingRights[move][1] + AAA + 'A' - 'a';
13444 if(castlingRights[move][5] >= 0 &&
13445 castlingRights[move][3] >= 0 )
13446 *p++ = castlingRights[move][3] + AAA;
13447 if(castlingRights[move][5] >= 0 &&
13448 castlingRights[move][4] >= 0 )
13449 *p++ = castlingRights[move][4] + AAA;
13452 /* [HGM] write true castling rights */
13453 if( nrCastlingRights == 6 ) {
13454 if(castlingRights[move][0] == BOARD_RGHT-1 &&
13455 castlingRights[move][2] >= 0 ) *p++ = 'K';
13456 if(castlingRights[move][1] == BOARD_LEFT &&
13457 castlingRights[move][2] >= 0 ) *p++ = 'Q';
13458 if(castlingRights[move][3] == BOARD_RGHT-1 &&
13459 castlingRights[move][5] >= 0 ) *p++ = 'k';
13460 if(castlingRights[move][4] == BOARD_LEFT &&
13461 castlingRights[move][5] >= 0 ) *p++ = 'q';
13464 if (q == p) *p++ = '-'; /* No castling rights */
13468 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
13469 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) {
13470 /* En passant target square */
13471 if (move > backwardMostMove) {
13472 fromX = moveList[move - 1][0] - AAA;
13473 fromY = moveList[move - 1][1] - ONE;
13474 toX = moveList[move - 1][2] - AAA;
13475 toY = moveList[move - 1][3] - ONE;
13476 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
13477 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
13478 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
13480 /* 2-square pawn move just happened */
13482 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
13493 /* [HGM] find reversible plies */
13494 { int i = 0, j=move;
13496 if (appData.debugMode) { int k;
13497 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
13498 for(k=backwardMostMove; k<=forwardMostMove; k++)
13499 fprintf(debugFP, "e%d. p=%d\n", k, epStatus[k]);
13503 while(j > backwardMostMove && epStatus[j] <= EP_NONE) j--,i++;
13504 if( j == backwardMostMove ) i += initialRulePlies;
13505 sprintf(p, "%d ", i);
13506 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
13508 /* Fullmove number */
13509 sprintf(p, "%d", (move / 2) + 1);
13511 return StrSave(buf);
13515 ParseFEN(board, blackPlaysFirst, fen)
13517 int *blackPlaysFirst;
13527 /* [HGM] by default clear Crazyhouse holdings, if present */
13528 if(gameInfo.holdingsWidth) {
13529 for(i=0; i<BOARD_HEIGHT; i++) {
13530 board[i][0] = EmptySquare; /* black holdings */
13531 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
13532 board[i][1] = (ChessSquare) 0; /* black counts */
13533 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
13537 /* Piece placement data */
13538 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13541 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
13542 if (*p == '/') p++;
13543 emptycount = gameInfo.boardWidth - j;
13544 while (emptycount--)
13545 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13547 #if(BOARD_SIZE >= 10)
13548 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
13549 p++; emptycount=10;
13550 if (j + emptycount > gameInfo.boardWidth) return FALSE;
13551 while (emptycount--)
13552 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13554 } else if (isdigit(*p)) {
13555 emptycount = *p++ - '0';
13556 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
13557 if (j + emptycount > gameInfo.boardWidth) return FALSE;
13558 while (emptycount--)
13559 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13560 } else if (*p == '+' || isalpha(*p)) {
13561 if (j >= gameInfo.boardWidth) return FALSE;
13563 piece = CharToPiece(*++p);
13564 if(piece == EmptySquare) return FALSE; /* unknown piece */
13565 piece = (ChessSquare) (PROMOTED piece ); p++;
13566 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
13567 } else piece = CharToPiece(*p++);
13569 if(piece==EmptySquare) return FALSE; /* unknown piece */
13570 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
13571 piece = (ChessSquare) (PROMOTED piece);
13572 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
13575 board[i][(j++)+gameInfo.holdingsWidth] = piece;
13581 while (*p == '/' || *p == ' ') p++;
13583 /* [HGM] look for Crazyhouse holdings here */
13584 while(*p==' ') p++;
13585 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
13587 if(*p == '-' ) *p++; /* empty holdings */ else {
13588 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
13589 /* if we would allow FEN reading to set board size, we would */
13590 /* have to add holdings and shift the board read so far here */
13591 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
13593 if((int) piece >= (int) BlackPawn ) {
13594 i = (int)piece - (int)BlackPawn;
13595 i = PieceToNumber((ChessSquare)i);
13596 if( i >= gameInfo.holdingsSize ) return FALSE;
13597 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
13598 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
13600 i = (int)piece - (int)WhitePawn;
13601 i = PieceToNumber((ChessSquare)i);
13602 if( i >= gameInfo.holdingsSize ) return FALSE;
13603 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
13604 board[i][BOARD_WIDTH-2]++; /* black holdings */
13608 if(*p == ']') *p++;
13611 while(*p == ' ') p++;
13616 *blackPlaysFirst = FALSE;
13619 *blackPlaysFirst = TRUE;
13625 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
13626 /* return the extra info in global variiables */
13628 /* set defaults in case FEN is incomplete */
13629 FENepStatus = EP_UNKNOWN;
13630 for(i=0; i<nrCastlingRights; i++ ) {
13631 FENcastlingRights[i] =
13632 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? -1 : initialRights[i];
13633 } /* assume possible unless obviously impossible */
13634 if(initialRights[0]>=0 && board[castlingRank[0]][initialRights[0]] != WhiteRook) FENcastlingRights[0] = -1;
13635 if(initialRights[1]>=0 && board[castlingRank[1]][initialRights[1]] != WhiteRook) FENcastlingRights[1] = -1;
13636 if(initialRights[2]>=0 && board[castlingRank[2]][initialRights[2]] != WhiteKing) FENcastlingRights[2] = -1;
13637 if(initialRights[3]>=0 && board[castlingRank[3]][initialRights[3]] != BlackRook) FENcastlingRights[3] = -1;
13638 if(initialRights[4]>=0 && board[castlingRank[4]][initialRights[4]] != BlackRook) FENcastlingRights[4] = -1;
13639 if(initialRights[5]>=0 && board[castlingRank[5]][initialRights[5]] != BlackKing) FENcastlingRights[5] = -1;
13642 while(*p==' ') p++;
13643 if(nrCastlingRights) {
13644 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
13645 /* castling indicator present, so default becomes no castlings */
13646 for(i=0; i<nrCastlingRights; i++ ) {
13647 FENcastlingRights[i] = -1;
13650 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
13651 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
13652 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
13653 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
13654 char c = *p++; int whiteKingFile=-1, blackKingFile=-1;
13656 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
13657 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
13658 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
13662 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
13663 FENcastlingRights[0] = i != whiteKingFile ? i : -1;
13664 FENcastlingRights[2] = whiteKingFile;
13667 for(i=BOARD_LEFT; board[0][i]!=WhiteRook && i<whiteKingFile; i++);
13668 FENcastlingRights[1] = i != whiteKingFile ? i : -1;
13669 FENcastlingRights[2] = whiteKingFile;
13672 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
13673 FENcastlingRights[3] = i != blackKingFile ? i : -1;
13674 FENcastlingRights[5] = blackKingFile;
13677 for(i=BOARD_LEFT; board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
13678 FENcastlingRights[4] = i != blackKingFile ? i : -1;
13679 FENcastlingRights[5] = blackKingFile;
13682 default: /* FRC castlings */
13683 if(c >= 'a') { /* black rights */
13684 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
13685 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
13686 if(i == BOARD_RGHT) break;
13687 FENcastlingRights[5] = i;
13689 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
13690 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
13692 FENcastlingRights[3] = c;
13694 FENcastlingRights[4] = c;
13695 } else { /* white rights */
13696 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
13697 if(board[0][i] == WhiteKing) break;
13698 if(i == BOARD_RGHT) break;
13699 FENcastlingRights[2] = i;
13700 c -= AAA - 'a' + 'A';
13701 if(board[0][c] >= WhiteKing) break;
13703 FENcastlingRights[0] = c;
13705 FENcastlingRights[1] = c;
13709 if (appData.debugMode) {
13710 fprintf(debugFP, "FEN castling rights:");
13711 for(i=0; i<nrCastlingRights; i++)
13712 fprintf(debugFP, " %d", FENcastlingRights[i]);
13713 fprintf(debugFP, "\n");
13716 while(*p==' ') p++;
13719 /* read e.p. field in games that know e.p. capture */
13720 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
13721 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) {
13723 p++; FENepStatus = EP_NONE;
13725 char c = *p++ - AAA;
13727 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
13728 if(*p >= '0' && *p <='9') *p++;
13734 if(sscanf(p, "%d", &i) == 1) {
13735 FENrulePlies = i; /* 50-move ply counter */
13736 /* (The move number is still ignored) */
13743 EditPositionPasteFEN(char *fen)
13746 Board initial_position;
13748 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
13749 DisplayError(_("Bad FEN position in clipboard"), 0);
13752 int savedBlackPlaysFirst = blackPlaysFirst;
13753 EditPositionEvent();
13754 blackPlaysFirst = savedBlackPlaysFirst;
13755 CopyBoard(boards[0], initial_position);
13756 /* [HGM] copy FEN attributes as well */
13758 initialRulePlies = FENrulePlies;
13759 epStatus[0] = FENepStatus;
13760 for( i=0; i<nrCastlingRights; i++ )
13761 castlingRights[0][i] = FENcastlingRights[i];
13763 EditPositionDone();
13764 DisplayBothClocks();
13765 DrawPosition(FALSE, boards[currentMove]);