2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011 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) );
60 int flock(int f, int code);
67 #define DoSleep( n ) if( (n) >= 0) sleep(n)
78 #include <sys/types.h>
87 #else /* not STDC_HEADERS */
90 # else /* not HAVE_STRING_H */
92 # endif /* not HAVE_STRING_H */
93 #endif /* not STDC_HEADERS */
96 # include <sys/fcntl.h>
97 #else /* not HAVE_SYS_FCNTL_H */
100 # endif /* HAVE_FCNTL_H */
101 #endif /* not HAVE_SYS_FCNTL_H */
103 #if TIME_WITH_SYS_TIME
104 # include <sys/time.h>
108 # include <sys/time.h>
114 #if defined(_amigados) && !defined(__GNUC__)
119 extern int gettimeofday(struct timeval *, struct timezone *);
127 #include "frontend.h"
134 #include "backendz.h"
138 # define _(s) gettext (s)
139 # define N_(s) gettext_noop (s)
140 # define T_(s) gettext(s)
153 /* A point in time */
155 long sec; /* Assuming this is >= 32 bits */
156 int ms; /* Assuming this is >= 16 bits */
159 int establish P((void));
160 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
161 char *buf, int count, int error));
162 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
163 char *buf, int count, int error));
164 void ics_printf P((char *format, ...));
165 void SendToICS P((char *s));
166 void SendToICSDelayed P((char *s, long msdelay));
167 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
168 void HandleMachineMove P((char *message, ChessProgramState *cps));
169 int AutoPlayOneMove P((void));
170 int LoadGameOneMove P((ChessMove readAhead));
171 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
172 int LoadPositionFromFile P((char *filename, int n, char *title));
173 int SavePositionToFile P((char *filename));
174 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
176 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
177 void ShowMove P((int fromX, int fromY, int toX, int toY));
178 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
179 /*char*/int promoChar));
180 void BackwardInner P((int target));
181 void ForwardInner P((int target));
182 int Adjudicate P((ChessProgramState *cps));
183 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
184 void EditPositionDone P((Boolean fakeRights));
185 void PrintOpponents P((FILE *fp));
186 void PrintPosition P((FILE *fp, int move));
187 void StartChessProgram P((ChessProgramState *cps));
188 void SendToProgram P((char *message, ChessProgramState *cps));
189 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
190 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
191 char *buf, int count, int error));
192 void SendTimeControl P((ChessProgramState *cps,
193 int mps, long tc, int inc, int sd, int st));
194 char *TimeControlTagValue P((void));
195 void Attention P((ChessProgramState *cps));
196 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
197 int ResurrectChessProgram P((void));
198 void DisplayComment P((int moveNumber, char *text));
199 void DisplayMove P((int moveNumber));
201 void ParseGameHistory P((char *game));
202 void ParseBoard12 P((char *string));
203 void KeepAlive P((void));
204 void StartClocks P((void));
205 void SwitchClocks P((int nr));
206 void StopClocks P((void));
207 void ResetClocks P((void));
208 char *PGNDate P((void));
209 void SetGameInfo P((void));
210 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
211 int RegisterMove P((void));
212 void MakeRegisteredMove P((void));
213 void TruncateGame P((void));
214 int looking_at P((char *, int *, char *));
215 void CopyPlayerNameIntoFileName P((char **, char *));
216 char *SavePart P((char *));
217 int SaveGameOldStyle P((FILE *));
218 int SaveGamePGN P((FILE *));
219 void GetTimeMark P((TimeMark *));
220 long SubtractTimeMarks P((TimeMark *, TimeMark *));
221 int CheckFlags P((void));
222 long NextTickLength P((long));
223 void CheckTimeControl P((void));
224 void show_bytes P((FILE *, char *, int));
225 int string_to_rating P((char *str));
226 void ParseFeatures P((char* args, ChessProgramState *cps));
227 void InitBackEnd3 P((void));
228 void FeatureDone P((ChessProgramState* cps, int val));
229 void InitChessProgram P((ChessProgramState *cps, int setup));
230 void OutputKibitz(int window, char *text);
231 int PerpetualChase(int first, int last);
232 int EngineOutputIsUp();
233 void InitDrawingSizes(int x, int y);
234 void NextMatchGame P((void));
235 int NextTourneyGame P((int nr, int *swap));
236 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
237 FILE *WriteTourneyFile P((char *results));
238 void DisplayTwoMachinesTitle P(());
241 extern void ConsoleCreate();
244 ChessProgramState *WhitePlayer();
245 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
246 int VerifyDisplayMode P(());
248 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
249 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
250 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
251 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
252 void ics_update_width P((int new_width));
253 extern char installDir[MSG_SIZ];
254 VariantClass startVariant; /* [HGM] nicks: initial variant */
257 extern int tinyLayout, smallLayout;
258 ChessProgramStats programStats;
259 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
261 static int exiting = 0; /* [HGM] moved to top */
262 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
263 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
264 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
265 int partnerHighlight[2];
266 Boolean partnerBoardValid = 0;
267 char partnerStatus[MSG_SIZ];
269 Boolean originalFlip;
270 Boolean twoBoards = 0;
271 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
272 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
273 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
274 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
275 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
276 int opponentKibitzes;
277 int lastSavedGame; /* [HGM] save: ID of game */
278 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
279 extern int chatCount;
281 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
282 char lastMsg[MSG_SIZ];
283 ChessSquare pieceSweep = EmptySquare;
284 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
285 int promoDefaultAltered;
287 /* States for ics_getting_history */
289 #define H_REQUESTED 1
290 #define H_GOT_REQ_HEADER 2
291 #define H_GOT_UNREQ_HEADER 3
292 #define H_GETTING_MOVES 4
293 #define H_GOT_UNWANTED_HEADER 5
295 /* whosays values for GameEnds */
304 /* Maximum number of games in a cmail message */
305 #define CMAIL_MAX_GAMES 20
307 /* Different types of move when calling RegisterMove */
309 #define CMAIL_RESIGN 1
311 #define CMAIL_ACCEPT 3
313 /* Different types of result to remember for each game */
314 #define CMAIL_NOT_RESULT 0
315 #define CMAIL_OLD_RESULT 1
316 #define CMAIL_NEW_RESULT 2
318 /* Telnet protocol constants */
329 safeStrCpy( char *dst, const char *src, size_t count )
332 assert( dst != NULL );
333 assert( src != NULL );
336 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
337 if( i == count && dst[count-1] != NULLCHAR)
339 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
340 if(appData.debugMode)
341 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
347 /* Some compiler can't cast u64 to double
348 * This function do the job for us:
350 * We use the highest bit for cast, this only
351 * works if the highest bit is not
352 * in use (This should not happen)
354 * We used this for all compiler
357 u64ToDouble(u64 value)
360 u64 tmp = value & u64Const(0x7fffffffffffffff);
361 r = (double)(s64)tmp;
362 if (value & u64Const(0x8000000000000000))
363 r += 9.2233720368547758080e18; /* 2^63 */
367 /* Fake up flags for now, as we aren't keeping track of castling
368 availability yet. [HGM] Change of logic: the flag now only
369 indicates the type of castlings allowed by the rule of the game.
370 The actual rights themselves are maintained in the array
371 castlingRights, as part of the game history, and are not probed
377 int flags = F_ALL_CASTLE_OK;
378 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
379 switch (gameInfo.variant) {
381 flags &= ~F_ALL_CASTLE_OK;
382 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
383 flags |= F_IGNORE_CHECK;
385 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
388 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
390 case VariantKriegspiel:
391 flags |= F_KRIEGSPIEL_CAPTURE;
393 case VariantCapaRandom:
394 case VariantFischeRandom:
395 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
396 case VariantNoCastle:
397 case VariantShatranj:
401 flags &= ~F_ALL_CASTLE_OK;
409 FILE *gameFileFP, *debugFP;
412 [AS] Note: sometimes, the sscanf() function is used to parse the input
413 into a fixed-size buffer. Because of this, we must be prepared to
414 receive strings as long as the size of the input buffer, which is currently
415 set to 4K for Windows and 8K for the rest.
416 So, we must either allocate sufficiently large buffers here, or
417 reduce the size of the input buffer in the input reading part.
420 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
421 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
422 char thinkOutput1[MSG_SIZ*10];
424 ChessProgramState first, second, pairing;
426 /* premove variables */
429 int premoveFromX = 0;
430 int premoveFromY = 0;
431 int premovePromoChar = 0;
433 Boolean alarmSounded;
434 /* end premove variables */
436 char *ics_prefix = "$";
437 int ics_type = ICS_GENERIC;
439 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
440 int pauseExamForwardMostMove = 0;
441 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
442 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
443 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
444 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
445 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
446 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
447 int whiteFlag = FALSE, blackFlag = FALSE;
448 int userOfferedDraw = FALSE;
449 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
450 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
451 int cmailMoveType[CMAIL_MAX_GAMES];
452 long ics_clock_paused = 0;
453 ProcRef icsPR = NoProc, cmailPR = NoProc;
454 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
455 GameMode gameMode = BeginningOfGame;
456 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
457 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
458 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
459 int hiddenThinkOutputState = 0; /* [AS] */
460 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
461 int adjudicateLossPlies = 6;
462 char white_holding[64], black_holding[64];
463 TimeMark lastNodeCountTime;
464 long lastNodeCount=0;
465 int shiftKey; // [HGM] set by mouse handler
467 int have_sent_ICS_logon = 0;
469 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
470 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
471 long timeControl_2; /* [AS] Allow separate time controls */
472 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
473 long timeRemaining[2][MAX_MOVES];
474 int matchGame = 0, nextGame = 0, roundNr = 0;
475 Boolean waitingForGame = FALSE;
476 TimeMark programStartTime, pauseStart;
477 char ics_handle[MSG_SIZ];
478 int have_set_title = 0;
480 /* animateTraining preserves the state of appData.animate
481 * when Training mode is activated. This allows the
482 * response to be animated when appData.animate == TRUE and
483 * appData.animateDragging == TRUE.
485 Boolean animateTraining;
491 Board boards[MAX_MOVES];
492 /* [HGM] Following 7 needed for accurate legality tests: */
493 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
494 signed char initialRights[BOARD_FILES];
495 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
496 int initialRulePlies, FENrulePlies;
497 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
499 Boolean shuffleOpenings;
500 int mute; // mute all sounds
502 // [HGM] vari: next 12 to save and restore variations
503 #define MAX_VARIATIONS 10
504 int framePtr = MAX_MOVES-1; // points to free stack entry
506 int savedFirst[MAX_VARIATIONS];
507 int savedLast[MAX_VARIATIONS];
508 int savedFramePtr[MAX_VARIATIONS];
509 char *savedDetails[MAX_VARIATIONS];
510 ChessMove savedResult[MAX_VARIATIONS];
512 void PushTail P((int firstMove, int lastMove));
513 Boolean PopTail P((Boolean annotate));
514 void PushInner P((int firstMove, int lastMove));
515 void PopInner P((Boolean annotate));
516 void CleanupTail P((void));
518 ChessSquare FIDEArray[2][BOARD_FILES] = {
519 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
520 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
521 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
522 BlackKing, BlackBishop, BlackKnight, BlackRook }
525 ChessSquare twoKingsArray[2][BOARD_FILES] = {
526 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
527 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
528 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
529 BlackKing, BlackKing, BlackKnight, BlackRook }
532 ChessSquare KnightmateArray[2][BOARD_FILES] = {
533 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
534 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
535 { BlackRook, BlackMan, BlackBishop, BlackQueen,
536 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
539 ChessSquare SpartanArray[2][BOARD_FILES] = {
540 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
541 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
542 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
543 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
546 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
547 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
548 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
549 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
550 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
553 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
554 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
555 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
556 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
557 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
560 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
561 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
562 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
563 { BlackRook, BlackKnight, BlackMan, BlackFerz,
564 BlackKing, BlackMan, BlackKnight, BlackRook }
568 #if (BOARD_FILES>=10)
569 ChessSquare ShogiArray[2][BOARD_FILES] = {
570 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
571 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
572 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
573 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
576 ChessSquare XiangqiArray[2][BOARD_FILES] = {
577 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
578 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
579 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
580 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
583 ChessSquare CapablancaArray[2][BOARD_FILES] = {
584 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
585 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
586 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
587 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
590 ChessSquare GreatArray[2][BOARD_FILES] = {
591 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
592 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
593 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
594 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
597 ChessSquare JanusArray[2][BOARD_FILES] = {
598 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
599 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
600 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
601 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
604 ChessSquare GrandArray[2][BOARD_FILES] = {
605 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
606 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
607 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
608 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
612 ChessSquare GothicArray[2][BOARD_FILES] = {
613 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
614 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
615 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
616 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
619 #define GothicArray CapablancaArray
623 ChessSquare FalconArray[2][BOARD_FILES] = {
624 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
625 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
626 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
627 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
630 #define FalconArray CapablancaArray
633 #else // !(BOARD_FILES>=10)
634 #define XiangqiPosition FIDEArray
635 #define CapablancaArray FIDEArray
636 #define GothicArray FIDEArray
637 #define GreatArray FIDEArray
638 #endif // !(BOARD_FILES>=10)
640 #if (BOARD_FILES>=12)
641 ChessSquare CourierArray[2][BOARD_FILES] = {
642 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
643 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
644 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
645 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
647 #else // !(BOARD_FILES>=12)
648 #define CourierArray CapablancaArray
649 #endif // !(BOARD_FILES>=12)
652 Board initialPosition;
655 /* Convert str to a rating. Checks for special cases of "----",
657 "++++", etc. Also strips ()'s */
659 string_to_rating(str)
662 while(*str && !isdigit(*str)) ++str;
664 return 0; /* One of the special "no rating" cases */
672 /* Init programStats */
673 programStats.movelist[0] = 0;
674 programStats.depth = 0;
675 programStats.nr_moves = 0;
676 programStats.moves_left = 0;
677 programStats.nodes = 0;
678 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
679 programStats.score = 0;
680 programStats.got_only_move = 0;
681 programStats.got_fail = 0;
682 programStats.line_is_book = 0;
687 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
688 if (appData.firstPlaysBlack) {
689 first.twoMachinesColor = "black\n";
690 second.twoMachinesColor = "white\n";
692 first.twoMachinesColor = "white\n";
693 second.twoMachinesColor = "black\n";
696 first.other = &second;
697 second.other = &first;
700 if(appData.timeOddsMode) {
701 norm = appData.timeOdds[0];
702 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
704 first.timeOdds = appData.timeOdds[0]/norm;
705 second.timeOdds = appData.timeOdds[1]/norm;
708 if(programVersion) free(programVersion);
709 if (appData.noChessProgram) {
710 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
711 sprintf(programVersion, "%s", PACKAGE_STRING);
713 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
714 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
715 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
720 UnloadEngine(ChessProgramState *cps)
722 /* Kill off first chess program */
723 if (cps->isr != NULL)
724 RemoveInputSource(cps->isr);
727 if (cps->pr != NoProc) {
729 DoSleep( appData.delayBeforeQuit );
730 SendToProgram("quit\n", cps);
731 DoSleep( appData.delayAfterQuit );
732 DestroyChildProcess(cps->pr, cps->useSigterm);
735 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
739 ClearOptions(ChessProgramState *cps)
742 cps->nrOptions = cps->comboCnt = 0;
743 for(i=0; i<MAX_OPTIONS; i++) {
744 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
745 cps->option[i].textValue = 0;
749 char *engineNames[] = {
755 InitEngine(ChessProgramState *cps, int n)
756 { // [HGM] all engine initialiation put in a function that does one engine
760 cps->which = engineNames[n];
761 cps->maybeThinking = FALSE;
765 cps->sendDrawOffers = 1;
767 cps->program = appData.chessProgram[n];
768 cps->host = appData.host[n];
769 cps->dir = appData.directory[n];
770 cps->initString = appData.engInitString[n];
771 cps->computerString = appData.computerString[n];
772 cps->useSigint = TRUE;
773 cps->useSigterm = TRUE;
774 cps->reuse = appData.reuse[n];
775 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
776 cps->useSetboard = FALSE;
778 cps->usePing = FALSE;
781 cps->usePlayother = FALSE;
782 cps->useColors = TRUE;
783 cps->useUsermove = FALSE;
784 cps->sendICS = FALSE;
785 cps->sendName = appData.icsActive;
786 cps->sdKludge = FALSE;
787 cps->stKludge = FALSE;
788 TidyProgramName(cps->program, cps->host, cps->tidy);
790 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
791 cps->analysisSupport = 2; /* detect */
792 cps->analyzing = FALSE;
793 cps->initDone = FALSE;
795 /* New features added by Tord: */
796 cps->useFEN960 = FALSE;
797 cps->useOOCastle = TRUE;
798 /* End of new features added by Tord. */
799 cps->fenOverride = appData.fenOverride[n];
801 /* [HGM] time odds: set factor for each machine */
802 cps->timeOdds = appData.timeOdds[n];
804 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
805 cps->accumulateTC = appData.accumulateTC[n];
806 cps->maxNrOfSessions = 1;
811 cps->supportsNPS = UNKNOWN;
812 cps->memSize = FALSE;
813 cps->maxCores = FALSE;
814 cps->egtFormats[0] = NULLCHAR;
817 cps->optionSettings = appData.engOptions[n];
819 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
820 cps->isUCI = appData.isUCI[n]; /* [AS] */
821 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
823 if (appData.protocolVersion[n] > PROTOVER
824 || appData.protocolVersion[n] < 1)
829 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
830 appData.protocolVersion[n]);
831 if( (len > MSG_SIZ) && appData.debugMode )
832 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
834 DisplayFatalError(buf, 0, 2);
838 cps->protocolVersion = appData.protocolVersion[n];
841 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
844 ChessProgramState *savCps;
850 if(WaitForEngine(savCps, LoadEngine)) return;
851 CommonEngineInit(); // recalculate time odds
852 if(gameInfo.variant != StringToVariant(appData.variant)) {
853 // we changed variant when loading the engine; this forces us to reset
854 Reset(TRUE, savCps != &first);
855 EditGameEvent(); // for consistency with other path, as Reset changes mode
857 InitChessProgram(savCps, FALSE);
858 SendToProgram("force\n", savCps);
859 DisplayMessage("", "");
860 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
861 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
867 ReplaceEngine(ChessProgramState *cps, int n)
871 appData.noChessProgram = FALSE;
872 appData.clockMode = TRUE;
875 if(n) return; // only startup first engine immediately; second can wait
876 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
880 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
881 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
883 static char resetOptions[] =
884 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
885 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
888 Load(ChessProgramState *cps, int i)
890 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
891 if(engineLine[0]) { // an engine was selected from the combo box
892 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
893 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
894 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
895 ParseArgsFromString(buf);
897 ReplaceEngine(cps, i);
901 while(q = strchr(p, SLASH)) p = q+1;
902 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
903 if(engineDir[0] != NULLCHAR)
904 appData.directory[i] = engineDir;
905 else if(p != engineName) { // derive directory from engine path, when not given
907 appData.directory[i] = strdup(engineName);
909 } else appData.directory[i] = ".";
910 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
912 snprintf(command, MSG_SIZ, "%s %s", p, params);
915 appData.chessProgram[i] = strdup(p);
916 appData.isUCI[i] = isUCI;
917 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
918 appData.hasOwnBookUCI[i] = hasBook;
919 if(!nickName[0]) useNick = FALSE;
920 if(useNick) ASSIGN(appData.pgnName[i], nickName);
924 q = firstChessProgramNames;
925 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
926 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
927 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
928 quote, p, quote, appData.directory[i],
929 useNick ? " -fn \"" : "",
930 useNick ? nickName : "",
932 v1 ? " -firstProtocolVersion 1" : "",
933 hasBook ? "" : " -fNoOwnBookUCI",
934 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
935 storeVariant ? " -variant " : "",
936 storeVariant ? VariantName(gameInfo.variant) : "");
937 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
938 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
941 ReplaceEngine(cps, i);
947 int matched, min, sec;
949 * Parse timeControl resource
951 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
952 appData.movesPerSession)) {
954 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
955 DisplayFatalError(buf, 0, 2);
959 * Parse searchTime resource
961 if (*appData.searchTime != NULLCHAR) {
962 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
964 searchTime = min * 60;
965 } else if (matched == 2) {
966 searchTime = min * 60 + sec;
969 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
970 DisplayFatalError(buf, 0, 2);
979 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
980 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
982 GetTimeMark(&programStartTime);
983 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
984 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
987 programStats.ok_to_send = 1;
988 programStats.seen_stat = 0;
991 * Initialize game list
997 * Internet chess server status
999 if (appData.icsActive) {
1000 appData.matchMode = FALSE;
1001 appData.matchGames = 0;
1003 appData.noChessProgram = !appData.zippyPlay;
1005 appData.zippyPlay = FALSE;
1006 appData.zippyTalk = FALSE;
1007 appData.noChessProgram = TRUE;
1009 if (*appData.icsHelper != NULLCHAR) {
1010 appData.useTelnet = TRUE;
1011 appData.telnetProgram = appData.icsHelper;
1014 appData.zippyTalk = appData.zippyPlay = FALSE;
1017 /* [AS] Initialize pv info list [HGM] and game state */
1021 for( i=0; i<=framePtr; i++ ) {
1022 pvInfoList[i].depth = -1;
1023 boards[i][EP_STATUS] = EP_NONE;
1024 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1030 /* [AS] Adjudication threshold */
1031 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1033 InitEngine(&first, 0);
1034 InitEngine(&second, 1);
1037 pairing.which = "pairing"; // pairing engine
1038 pairing.pr = NoProc;
1040 pairing.program = appData.pairingEngine;
1041 pairing.host = "localhost";
1044 if (appData.icsActive) {
1045 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1046 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1047 appData.clockMode = FALSE;
1048 first.sendTime = second.sendTime = 0;
1052 /* Override some settings from environment variables, for backward
1053 compatibility. Unfortunately it's not feasible to have the env
1054 vars just set defaults, at least in xboard. Ugh.
1056 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1061 if (!appData.icsActive) {
1065 /* Check for variants that are supported only in ICS mode,
1066 or not at all. Some that are accepted here nevertheless
1067 have bugs; see comments below.
1069 VariantClass variant = StringToVariant(appData.variant);
1071 case VariantBughouse: /* need four players and two boards */
1072 case VariantKriegspiel: /* need to hide pieces and move details */
1073 /* case VariantFischeRandom: (Fabien: moved below) */
1074 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1075 if( (len > MSG_SIZ) && appData.debugMode )
1076 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1078 DisplayFatalError(buf, 0, 2);
1081 case VariantUnknown:
1082 case VariantLoadable:
1092 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1093 if( (len > MSG_SIZ) && appData.debugMode )
1094 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1096 DisplayFatalError(buf, 0, 2);
1099 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1100 case VariantFairy: /* [HGM] TestLegality definitely off! */
1101 case VariantGothic: /* [HGM] should work */
1102 case VariantCapablanca: /* [HGM] should work */
1103 case VariantCourier: /* [HGM] initial forced moves not implemented */
1104 case VariantShogi: /* [HGM] could still mate with pawn drop */
1105 case VariantKnightmate: /* [HGM] should work */
1106 case VariantCylinder: /* [HGM] untested */
1107 case VariantFalcon: /* [HGM] untested */
1108 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1109 offboard interposition not understood */
1110 case VariantNormal: /* definitely works! */
1111 case VariantWildCastle: /* pieces not automatically shuffled */
1112 case VariantNoCastle: /* pieces not automatically shuffled */
1113 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1114 case VariantLosers: /* should work except for win condition,
1115 and doesn't know captures are mandatory */
1116 case VariantSuicide: /* should work except for win condition,
1117 and doesn't know captures are mandatory */
1118 case VariantGiveaway: /* should work except for win condition,
1119 and doesn't know captures are mandatory */
1120 case VariantTwoKings: /* should work */
1121 case VariantAtomic: /* should work except for win condition */
1122 case Variant3Check: /* should work except for win condition */
1123 case VariantShatranj: /* should work except for all win conditions */
1124 case VariantMakruk: /* should work except for draw countdown */
1125 case VariantBerolina: /* might work if TestLegality is off */
1126 case VariantCapaRandom: /* should work */
1127 case VariantJanus: /* should work */
1128 case VariantSuper: /* experimental */
1129 case VariantGreat: /* experimental, requires legality testing to be off */
1130 case VariantSChess: /* S-Chess, should work */
1131 case VariantGrand: /* should work */
1132 case VariantSpartan: /* should work */
1139 int NextIntegerFromString( char ** str, long * value )
1144 while( *s == ' ' || *s == '\t' ) {
1150 if( *s >= '0' && *s <= '9' ) {
1151 while( *s >= '0' && *s <= '9' ) {
1152 *value = *value * 10 + (*s - '0');
1164 int NextTimeControlFromString( char ** str, long * value )
1167 int result = NextIntegerFromString( str, &temp );
1170 *value = temp * 60; /* Minutes */
1171 if( **str == ':' ) {
1173 result = NextIntegerFromString( str, &temp );
1174 *value += temp; /* Seconds */
1181 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1182 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1183 int result = -1, type = 0; long temp, temp2;
1185 if(**str != ':') return -1; // old params remain in force!
1187 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1188 if( NextIntegerFromString( str, &temp ) ) return -1;
1189 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1192 /* time only: incremental or sudden-death time control */
1193 if(**str == '+') { /* increment follows; read it */
1195 if(**str == '!') type = *(*str)++; // Bronstein TC
1196 if(result = NextIntegerFromString( str, &temp2)) return -1;
1197 *inc = temp2 * 1000;
1198 if(**str == '.') { // read fraction of increment
1199 char *start = ++(*str);
1200 if(result = NextIntegerFromString( str, &temp2)) return -1;
1202 while(start++ < *str) temp2 /= 10;
1206 *moves = 0; *tc = temp * 1000; *incType = type;
1210 (*str)++; /* classical time control */
1211 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1222 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1223 { /* [HGM] get time to add from the multi-session time-control string */
1224 int incType, moves=1; /* kludge to force reading of first session */
1225 long time, increment;
1228 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1229 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1231 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1232 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1233 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1234 if(movenr == -1) return time; /* last move before new session */
1235 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1236 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1237 if(!moves) return increment; /* current session is incremental */
1238 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1239 } while(movenr >= -1); /* try again for next session */
1241 return 0; // no new time quota on this move
1245 ParseTimeControl(tc, ti, mps)
1252 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1255 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1256 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1257 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1261 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1263 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1266 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1268 snprintf(buf, MSG_SIZ, ":%s", mytc);
1270 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1272 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1277 /* Parse second time control */
1280 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1288 timeControl_2 = tc2 * 1000;
1298 timeControl = tc1 * 1000;
1301 timeIncrement = ti * 1000; /* convert to ms */
1302 movesPerSession = 0;
1305 movesPerSession = mps;
1313 if (appData.debugMode) {
1314 fprintf(debugFP, "%s\n", programVersion);
1317 set_cont_sequence(appData.wrapContSeq);
1318 if (appData.matchGames > 0) {
1319 appData.matchMode = TRUE;
1320 } else if (appData.matchMode) {
1321 appData.matchGames = 1;
1323 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1324 appData.matchGames = appData.sameColorGames;
1325 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1326 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1327 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1330 if (appData.noChessProgram || first.protocolVersion == 1) {
1333 /* kludge: allow timeout for initial "feature" commands */
1335 DisplayMessage("", _("Starting chess program"));
1336 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1341 CalculateIndex(int index, int gameNr)
1342 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1344 if(index > 0) return index; // fixed nmber
1345 if(index == 0) return 1;
1346 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1347 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1352 LoadGameOrPosition(int gameNr)
1353 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1354 if (*appData.loadGameFile != NULLCHAR) {
1355 if (!LoadGameFromFile(appData.loadGameFile,
1356 CalculateIndex(appData.loadGameIndex, gameNr),
1357 appData.loadGameFile, FALSE)) {
1358 DisplayFatalError(_("Bad game file"), 0, 1);
1361 } else if (*appData.loadPositionFile != NULLCHAR) {
1362 if (!LoadPositionFromFile(appData.loadPositionFile,
1363 CalculateIndex(appData.loadPositionIndex, gameNr),
1364 appData.loadPositionFile)) {
1365 DisplayFatalError(_("Bad position file"), 0, 1);
1373 ReserveGame(int gameNr, char resChar)
1375 FILE *tf = fopen(appData.tourneyFile, "r+");
1376 char *p, *q, c, buf[MSG_SIZ];
1377 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1378 safeStrCpy(buf, lastMsg, MSG_SIZ);
1379 DisplayMessage(_("Pick new game"), "");
1380 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1381 ParseArgsFromFile(tf);
1382 p = q = appData.results;
1383 if(appData.debugMode) {
1384 char *r = appData.participants;
1385 fprintf(debugFP, "results = '%s'\n", p);
1386 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1387 fprintf(debugFP, "\n");
1389 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1391 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1392 safeStrCpy(q, p, strlen(p) + 2);
1393 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1394 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1395 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1396 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1399 fseek(tf, -(strlen(p)+4), SEEK_END);
1401 if(c != '"') // depending on DOS or Unix line endings we can be one off
1402 fseek(tf, -(strlen(p)+2), SEEK_END);
1403 else fseek(tf, -(strlen(p)+3), SEEK_END);
1404 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1405 DisplayMessage(buf, "");
1406 free(p); appData.results = q;
1407 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1408 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1409 UnloadEngine(&first); // next game belongs to other pairing;
1410 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1415 MatchEvent(int mode)
1416 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1418 if(matchMode) { // already in match mode: switch it off
1420 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1423 // if(gameMode != BeginningOfGame) {
1424 // DisplayError(_("You can only start a match from the initial position."), 0);
1428 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1429 /* Set up machine vs. machine match */
1431 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1432 if(appData.tourneyFile[0]) {
1434 if(nextGame > appData.matchGames) {
1436 if(strchr(appData.results, '*') == NULL) {
1438 appData.tourneyCycles++;
1439 if(f = WriteTourneyFile(appData.results)) { // make a tourney file with increased number of cycles
1441 NextTourneyGame(-1, &dummy);
1443 if(nextGame <= appData.matchGames) {
1444 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1446 ScheduleDelayedEvent(NextMatchGame, 10000);
1451 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1452 DisplayError(buf, 0);
1453 appData.tourneyFile[0] = 0;
1457 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1458 DisplayFatalError(_("Can't have a match with no chess programs"),
1463 matchGame = roundNr = 1;
1464 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1469 InitBackEnd3 P((void))
1471 GameMode initialMode;
1475 InitChessProgram(&first, startedFromSetupPosition);
1477 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1478 free(programVersion);
1479 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1480 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1483 if (appData.icsActive) {
1485 /* [DM] Make a console window if needed [HGM] merged ifs */
1491 if (*appData.icsCommPort != NULLCHAR)
1492 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1493 appData.icsCommPort);
1495 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1496 appData.icsHost, appData.icsPort);
1498 if( (len > MSG_SIZ) && appData.debugMode )
1499 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1501 DisplayFatalError(buf, err, 1);
1506 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1508 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1509 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1510 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1511 } else if (appData.noChessProgram) {
1517 if (*appData.cmailGameName != NULLCHAR) {
1519 OpenLoopback(&cmailPR);
1521 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1525 DisplayMessage("", "");
1526 if (StrCaseCmp(appData.initialMode, "") == 0) {
1527 initialMode = BeginningOfGame;
1528 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1529 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1530 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1531 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1534 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1535 initialMode = TwoMachinesPlay;
1536 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1537 initialMode = AnalyzeFile;
1538 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1539 initialMode = AnalyzeMode;
1540 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1541 initialMode = MachinePlaysWhite;
1542 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1543 initialMode = MachinePlaysBlack;
1544 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1545 initialMode = EditGame;
1546 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1547 initialMode = EditPosition;
1548 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1549 initialMode = Training;
1551 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1552 if( (len > MSG_SIZ) && appData.debugMode )
1553 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1555 DisplayFatalError(buf, 0, 2);
1559 if (appData.matchMode) {
1560 if(appData.tourneyFile[0]) { // start tourney from command line
1562 if(f = fopen(appData.tourneyFile, "r")) {
1563 ParseArgsFromFile(f); // make sure tourney parmeters re known
1565 appData.clockMode = TRUE;
1567 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1570 } else if (*appData.cmailGameName != NULLCHAR) {
1571 /* Set up cmail mode */
1572 ReloadCmailMsgEvent(TRUE);
1574 /* Set up other modes */
1575 if (initialMode == AnalyzeFile) {
1576 if (*appData.loadGameFile == NULLCHAR) {
1577 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1581 if (*appData.loadGameFile != NULLCHAR) {
1582 (void) LoadGameFromFile(appData.loadGameFile,
1583 appData.loadGameIndex,
1584 appData.loadGameFile, TRUE);
1585 } else if (*appData.loadPositionFile != NULLCHAR) {
1586 (void) LoadPositionFromFile(appData.loadPositionFile,
1587 appData.loadPositionIndex,
1588 appData.loadPositionFile);
1589 /* [HGM] try to make self-starting even after FEN load */
1590 /* to allow automatic setup of fairy variants with wtm */
1591 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1592 gameMode = BeginningOfGame;
1593 setboardSpoiledMachineBlack = 1;
1595 /* [HGM] loadPos: make that every new game uses the setup */
1596 /* from file as long as we do not switch variant */
1597 if(!blackPlaysFirst) {
1598 startedFromPositionFile = TRUE;
1599 CopyBoard(filePosition, boards[0]);
1602 if (initialMode == AnalyzeMode) {
1603 if (appData.noChessProgram) {
1604 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1607 if (appData.icsActive) {
1608 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1612 } else if (initialMode == AnalyzeFile) {
1613 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1614 ShowThinkingEvent();
1616 AnalysisPeriodicEvent(1);
1617 } else if (initialMode == MachinePlaysWhite) {
1618 if (appData.noChessProgram) {
1619 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1623 if (appData.icsActive) {
1624 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1628 MachineWhiteEvent();
1629 } else if (initialMode == MachinePlaysBlack) {
1630 if (appData.noChessProgram) {
1631 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1635 if (appData.icsActive) {
1636 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1640 MachineBlackEvent();
1641 } else if (initialMode == TwoMachinesPlay) {
1642 if (appData.noChessProgram) {
1643 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1647 if (appData.icsActive) {
1648 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1653 } else if (initialMode == EditGame) {
1655 } else if (initialMode == EditPosition) {
1656 EditPositionEvent();
1657 } else if (initialMode == Training) {
1658 if (*appData.loadGameFile == NULLCHAR) {
1659 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1668 * Establish will establish a contact to a remote host.port.
1669 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1670 * used to talk to the host.
1671 * Returns 0 if okay, error code if not.
1678 if (*appData.icsCommPort != NULLCHAR) {
1679 /* Talk to the host through a serial comm port */
1680 return OpenCommPort(appData.icsCommPort, &icsPR);
1682 } else if (*appData.gateway != NULLCHAR) {
1683 if (*appData.remoteShell == NULLCHAR) {
1684 /* Use the rcmd protocol to run telnet program on a gateway host */
1685 snprintf(buf, sizeof(buf), "%s %s %s",
1686 appData.telnetProgram, appData.icsHost, appData.icsPort);
1687 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1690 /* Use the rsh program to run telnet program on a gateway host */
1691 if (*appData.remoteUser == NULLCHAR) {
1692 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1693 appData.gateway, appData.telnetProgram,
1694 appData.icsHost, appData.icsPort);
1696 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1697 appData.remoteShell, appData.gateway,
1698 appData.remoteUser, appData.telnetProgram,
1699 appData.icsHost, appData.icsPort);
1701 return StartChildProcess(buf, "", &icsPR);
1704 } else if (appData.useTelnet) {
1705 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1708 /* TCP socket interface differs somewhat between
1709 Unix and NT; handle details in the front end.
1711 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1715 void EscapeExpand(char *p, char *q)
1716 { // [HGM] initstring: routine to shape up string arguments
1717 while(*p++ = *q++) if(p[-1] == '\\')
1719 case 'n': p[-1] = '\n'; break;
1720 case 'r': p[-1] = '\r'; break;
1721 case 't': p[-1] = '\t'; break;
1722 case '\\': p[-1] = '\\'; break;
1723 case 0: *p = 0; return;
1724 default: p[-1] = q[-1]; break;
1729 show_bytes(fp, buf, count)
1735 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1736 fprintf(fp, "\\%03o", *buf & 0xff);
1745 /* Returns an errno value */
1747 OutputMaybeTelnet(pr, message, count, outError)
1753 char buf[8192], *p, *q, *buflim;
1754 int left, newcount, outcount;
1756 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1757 *appData.gateway != NULLCHAR) {
1758 if (appData.debugMode) {
1759 fprintf(debugFP, ">ICS: ");
1760 show_bytes(debugFP, message, count);
1761 fprintf(debugFP, "\n");
1763 return OutputToProcess(pr, message, count, outError);
1766 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1773 if (appData.debugMode) {
1774 fprintf(debugFP, ">ICS: ");
1775 show_bytes(debugFP, buf, newcount);
1776 fprintf(debugFP, "\n");
1778 outcount = OutputToProcess(pr, buf, newcount, outError);
1779 if (outcount < newcount) return -1; /* to be sure */
1786 } else if (((unsigned char) *p) == TN_IAC) {
1787 *q++ = (char) TN_IAC;
1794 if (appData.debugMode) {
1795 fprintf(debugFP, ">ICS: ");
1796 show_bytes(debugFP, buf, newcount);
1797 fprintf(debugFP, "\n");
1799 outcount = OutputToProcess(pr, buf, newcount, outError);
1800 if (outcount < newcount) return -1; /* to be sure */
1805 read_from_player(isr, closure, message, count, error)
1812 int outError, outCount;
1813 static int gotEof = 0;
1815 /* Pass data read from player on to ICS */
1818 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1819 if (outCount < count) {
1820 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1822 } else if (count < 0) {
1823 RemoveInputSource(isr);
1824 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1825 } else if (gotEof++ > 0) {
1826 RemoveInputSource(isr);
1827 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1833 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1834 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1835 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1836 SendToICS("date\n");
1837 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1840 /* added routine for printf style output to ics */
1841 void ics_printf(char *format, ...)
1843 char buffer[MSG_SIZ];
1846 va_start(args, format);
1847 vsnprintf(buffer, sizeof(buffer), format, args);
1848 buffer[sizeof(buffer)-1] = '\0';
1857 int count, outCount, outError;
1859 if (icsPR == NULL) return;
1862 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1863 if (outCount < count) {
1864 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1868 /* This is used for sending logon scripts to the ICS. Sending
1869 without a delay causes problems when using timestamp on ICC
1870 (at least on my machine). */
1872 SendToICSDelayed(s,msdelay)
1876 int count, outCount, outError;
1878 if (icsPR == NULL) return;
1881 if (appData.debugMode) {
1882 fprintf(debugFP, ">ICS: ");
1883 show_bytes(debugFP, s, count);
1884 fprintf(debugFP, "\n");
1886 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1888 if (outCount < count) {
1889 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1894 /* Remove all highlighting escape sequences in s
1895 Also deletes any suffix starting with '('
1898 StripHighlightAndTitle(s)
1901 static char retbuf[MSG_SIZ];
1904 while (*s != NULLCHAR) {
1905 while (*s == '\033') {
1906 while (*s != NULLCHAR && !isalpha(*s)) s++;
1907 if (*s != NULLCHAR) s++;
1909 while (*s != NULLCHAR && *s != '\033') {
1910 if (*s == '(' || *s == '[') {
1921 /* Remove all highlighting escape sequences in s */
1926 static char retbuf[MSG_SIZ];
1929 while (*s != NULLCHAR) {
1930 while (*s == '\033') {
1931 while (*s != NULLCHAR && !isalpha(*s)) s++;
1932 if (*s != NULLCHAR) s++;
1934 while (*s != NULLCHAR && *s != '\033') {
1942 char *variantNames[] = VARIANT_NAMES;
1947 return variantNames[v];
1951 /* Identify a variant from the strings the chess servers use or the
1952 PGN Variant tag names we use. */
1959 VariantClass v = VariantNormal;
1960 int i, found = FALSE;
1966 /* [HGM] skip over optional board-size prefixes */
1967 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1968 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1969 while( *e++ != '_');
1972 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1976 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1977 if (StrCaseStr(e, variantNames[i])) {
1978 v = (VariantClass) i;
1985 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1986 || StrCaseStr(e, "wild/fr")
1987 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1988 v = VariantFischeRandom;
1989 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1990 (i = 1, p = StrCaseStr(e, "w"))) {
1992 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1999 case 0: /* FICS only, actually */
2001 /* Castling legal even if K starts on d-file */
2002 v = VariantWildCastle;
2007 /* Castling illegal even if K & R happen to start in
2008 normal positions. */
2009 v = VariantNoCastle;
2022 /* Castling legal iff K & R start in normal positions */
2028 /* Special wilds for position setup; unclear what to do here */
2029 v = VariantLoadable;
2032 /* Bizarre ICC game */
2033 v = VariantTwoKings;
2036 v = VariantKriegspiel;
2042 v = VariantFischeRandom;
2045 v = VariantCrazyhouse;
2048 v = VariantBughouse;
2054 /* Not quite the same as FICS suicide! */
2055 v = VariantGiveaway;
2061 v = VariantShatranj;
2064 /* Temporary names for future ICC types. The name *will* change in
2065 the next xboard/WinBoard release after ICC defines it. */
2103 v = VariantCapablanca;
2106 v = VariantKnightmate;
2112 v = VariantCylinder;
2118 v = VariantCapaRandom;
2121 v = VariantBerolina;
2133 /* Found "wild" or "w" in the string but no number;
2134 must assume it's normal chess. */
2138 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2139 if( (len > MSG_SIZ) && appData.debugMode )
2140 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2142 DisplayError(buf, 0);
2148 if (appData.debugMode) {
2149 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2150 e, wnum, VariantName(v));
2155 static int leftover_start = 0, leftover_len = 0;
2156 char star_match[STAR_MATCH_N][MSG_SIZ];
2158 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2159 advance *index beyond it, and set leftover_start to the new value of
2160 *index; else return FALSE. If pattern contains the character '*', it
2161 matches any sequence of characters not containing '\r', '\n', or the
2162 character following the '*' (if any), and the matched sequence(s) are
2163 copied into star_match.
2166 looking_at(buf, index, pattern)
2171 char *bufp = &buf[*index], *patternp = pattern;
2173 char *matchp = star_match[0];
2176 if (*patternp == NULLCHAR) {
2177 *index = leftover_start = bufp - buf;
2181 if (*bufp == NULLCHAR) return FALSE;
2182 if (*patternp == '*') {
2183 if (*bufp == *(patternp + 1)) {
2185 matchp = star_match[++star_count];
2189 } else if (*bufp == '\n' || *bufp == '\r') {
2191 if (*patternp == NULLCHAR)
2196 *matchp++ = *bufp++;
2200 if (*patternp != *bufp) return FALSE;
2207 SendToPlayer(data, length)
2211 int error, outCount;
2212 outCount = OutputToProcess(NoProc, data, length, &error);
2213 if (outCount < length) {
2214 DisplayFatalError(_("Error writing to display"), error, 1);
2219 PackHolding(packed, holding)
2231 switch (runlength) {
2242 sprintf(q, "%d", runlength);
2254 /* Telnet protocol requests from the front end */
2256 TelnetRequest(ddww, option)
2257 unsigned char ddww, option;
2259 unsigned char msg[3];
2260 int outCount, outError;
2262 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2264 if (appData.debugMode) {
2265 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2281 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2290 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2293 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2298 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2300 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2307 if (!appData.icsActive) return;
2308 TelnetRequest(TN_DO, TN_ECHO);
2314 if (!appData.icsActive) return;
2315 TelnetRequest(TN_DONT, TN_ECHO);
2319 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2321 /* put the holdings sent to us by the server on the board holdings area */
2322 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2326 if(gameInfo.holdingsWidth < 2) return;
2327 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2328 return; // prevent overwriting by pre-board holdings
2330 if( (int)lowestPiece >= BlackPawn ) {
2333 holdingsStartRow = BOARD_HEIGHT-1;
2336 holdingsColumn = BOARD_WIDTH-1;
2337 countsColumn = BOARD_WIDTH-2;
2338 holdingsStartRow = 0;
2342 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2343 board[i][holdingsColumn] = EmptySquare;
2344 board[i][countsColumn] = (ChessSquare) 0;
2346 while( (p=*holdings++) != NULLCHAR ) {
2347 piece = CharToPiece( ToUpper(p) );
2348 if(piece == EmptySquare) continue;
2349 /*j = (int) piece - (int) WhitePawn;*/
2350 j = PieceToNumber(piece);
2351 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2352 if(j < 0) continue; /* should not happen */
2353 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2354 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2355 board[holdingsStartRow+j*direction][countsColumn]++;
2361 VariantSwitch(Board board, VariantClass newVariant)
2363 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2364 static Board oldBoard;
2366 startedFromPositionFile = FALSE;
2367 if(gameInfo.variant == newVariant) return;
2369 /* [HGM] This routine is called each time an assignment is made to
2370 * gameInfo.variant during a game, to make sure the board sizes
2371 * are set to match the new variant. If that means adding or deleting
2372 * holdings, we shift the playing board accordingly
2373 * This kludge is needed because in ICS observe mode, we get boards
2374 * of an ongoing game without knowing the variant, and learn about the
2375 * latter only later. This can be because of the move list we requested,
2376 * in which case the game history is refilled from the beginning anyway,
2377 * but also when receiving holdings of a crazyhouse game. In the latter
2378 * case we want to add those holdings to the already received position.
2382 if (appData.debugMode) {
2383 fprintf(debugFP, "Switch board from %s to %s\n",
2384 VariantName(gameInfo.variant), VariantName(newVariant));
2385 setbuf(debugFP, NULL);
2387 shuffleOpenings = 0; /* [HGM] shuffle */
2388 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2392 newWidth = 9; newHeight = 9;
2393 gameInfo.holdingsSize = 7;
2394 case VariantBughouse:
2395 case VariantCrazyhouse:
2396 newHoldingsWidth = 2; break;
2400 newHoldingsWidth = 2;
2401 gameInfo.holdingsSize = 8;
2404 case VariantCapablanca:
2405 case VariantCapaRandom:
2408 newHoldingsWidth = gameInfo.holdingsSize = 0;
2411 if(newWidth != gameInfo.boardWidth ||
2412 newHeight != gameInfo.boardHeight ||
2413 newHoldingsWidth != gameInfo.holdingsWidth ) {
2415 /* shift position to new playing area, if needed */
2416 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2417 for(i=0; i<BOARD_HEIGHT; i++)
2418 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2419 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2421 for(i=0; i<newHeight; i++) {
2422 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2423 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2425 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2426 for(i=0; i<BOARD_HEIGHT; i++)
2427 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2428 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2431 gameInfo.boardWidth = newWidth;
2432 gameInfo.boardHeight = newHeight;
2433 gameInfo.holdingsWidth = newHoldingsWidth;
2434 gameInfo.variant = newVariant;
2435 InitDrawingSizes(-2, 0);
2436 } else gameInfo.variant = newVariant;
2437 CopyBoard(oldBoard, board); // remember correctly formatted board
2438 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2439 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2442 static int loggedOn = FALSE;
2444 /*-- Game start info cache: --*/
2446 char gs_kind[MSG_SIZ];
2447 static char player1Name[128] = "";
2448 static char player2Name[128] = "";
2449 static char cont_seq[] = "\n\\ ";
2450 static int player1Rating = -1;
2451 static int player2Rating = -1;
2452 /*----------------------------*/
2454 ColorClass curColor = ColorNormal;
2455 int suppressKibitz = 0;
2458 Boolean soughtPending = FALSE;
2459 Boolean seekGraphUp;
2460 #define MAX_SEEK_ADS 200
2462 char *seekAdList[MAX_SEEK_ADS];
2463 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2464 float tcList[MAX_SEEK_ADS];
2465 char colorList[MAX_SEEK_ADS];
2466 int nrOfSeekAds = 0;
2467 int minRating = 1010, maxRating = 2800;
2468 int hMargin = 10, vMargin = 20, h, w;
2469 extern int squareSize, lineGap;
2474 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2475 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2476 if(r < minRating+100 && r >=0 ) r = minRating+100;
2477 if(r > maxRating) r = maxRating;
2478 if(tc < 1.) tc = 1.;
2479 if(tc > 95.) tc = 95.;
2480 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2481 y = ((double)r - minRating)/(maxRating - minRating)
2482 * (h-vMargin-squareSize/8-1) + vMargin;
2483 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2484 if(strstr(seekAdList[i], " u ")) color = 1;
2485 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2486 !strstr(seekAdList[i], "bullet") &&
2487 !strstr(seekAdList[i], "blitz") &&
2488 !strstr(seekAdList[i], "standard") ) color = 2;
2489 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2490 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2494 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2496 char buf[MSG_SIZ], *ext = "";
2497 VariantClass v = StringToVariant(type);
2498 if(strstr(type, "wild")) {
2499 ext = type + 4; // append wild number
2500 if(v == VariantFischeRandom) type = "chess960"; else
2501 if(v == VariantLoadable) type = "setup"; else
2502 type = VariantName(v);
2504 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2505 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2506 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2507 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2508 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2509 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2510 seekNrList[nrOfSeekAds] = nr;
2511 zList[nrOfSeekAds] = 0;
2512 seekAdList[nrOfSeekAds++] = StrSave(buf);
2513 if(plot) PlotSeekAd(nrOfSeekAds-1);
2520 int x = xList[i], y = yList[i], d=squareSize/4, k;
2521 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2522 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2523 // now replot every dot that overlapped
2524 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2525 int xx = xList[k], yy = yList[k];
2526 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2527 DrawSeekDot(xx, yy, colorList[k]);
2532 RemoveSeekAd(int nr)
2535 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2537 if(seekAdList[i]) free(seekAdList[i]);
2538 seekAdList[i] = seekAdList[--nrOfSeekAds];
2539 seekNrList[i] = seekNrList[nrOfSeekAds];
2540 ratingList[i] = ratingList[nrOfSeekAds];
2541 colorList[i] = colorList[nrOfSeekAds];
2542 tcList[i] = tcList[nrOfSeekAds];
2543 xList[i] = xList[nrOfSeekAds];
2544 yList[i] = yList[nrOfSeekAds];
2545 zList[i] = zList[nrOfSeekAds];
2546 seekAdList[nrOfSeekAds] = NULL;
2552 MatchSoughtLine(char *line)
2554 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2555 int nr, base, inc, u=0; char dummy;
2557 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2558 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2560 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2561 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2562 // match: compact and save the line
2563 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2573 if(!seekGraphUp) return FALSE;
2574 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2575 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2577 DrawSeekBackground(0, 0, w, h);
2578 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2579 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2580 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2581 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2583 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2586 snprintf(buf, MSG_SIZ, "%d", i);
2587 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2590 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2591 for(i=1; i<100; i+=(i<10?1:5)) {
2592 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2593 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2594 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2596 snprintf(buf, MSG_SIZ, "%d", i);
2597 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2600 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2604 int SeekGraphClick(ClickType click, int x, int y, int moving)
2606 static int lastDown = 0, displayed = 0, lastSecond;
2607 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2608 if(click == Release || moving) return FALSE;
2610 soughtPending = TRUE;
2611 SendToICS(ics_prefix);
2612 SendToICS("sought\n"); // should this be "sought all"?
2613 } else { // issue challenge based on clicked ad
2614 int dist = 10000; int i, closest = 0, second = 0;
2615 for(i=0; i<nrOfSeekAds; i++) {
2616 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2617 if(d < dist) { dist = d; closest = i; }
2618 second += (d - zList[i] < 120); // count in-range ads
2619 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2623 second = (second > 1);
2624 if(displayed != closest || second != lastSecond) {
2625 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2626 lastSecond = second; displayed = closest;
2628 if(click == Press) {
2629 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2632 } // on press 'hit', only show info
2633 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2634 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2635 SendToICS(ics_prefix);
2637 return TRUE; // let incoming board of started game pop down the graph
2638 } else if(click == Release) { // release 'miss' is ignored
2639 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2640 if(moving == 2) { // right up-click
2641 nrOfSeekAds = 0; // refresh graph
2642 soughtPending = TRUE;
2643 SendToICS(ics_prefix);
2644 SendToICS("sought\n"); // should this be "sought all"?
2647 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2648 // press miss or release hit 'pop down' seek graph
2649 seekGraphUp = FALSE;
2650 DrawPosition(TRUE, NULL);
2656 read_from_ics(isr, closure, data, count, error)
2663 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2664 #define STARTED_NONE 0
2665 #define STARTED_MOVES 1
2666 #define STARTED_BOARD 2
2667 #define STARTED_OBSERVE 3
2668 #define STARTED_HOLDINGS 4
2669 #define STARTED_CHATTER 5
2670 #define STARTED_COMMENT 6
2671 #define STARTED_MOVES_NOHIDE 7
2673 static int started = STARTED_NONE;
2674 static char parse[20000];
2675 static int parse_pos = 0;
2676 static char buf[BUF_SIZE + 1];
2677 static int firstTime = TRUE, intfSet = FALSE;
2678 static ColorClass prevColor = ColorNormal;
2679 static int savingComment = FALSE;
2680 static int cmatch = 0; // continuation sequence match
2687 int backup; /* [DM] For zippy color lines */
2689 char talker[MSG_SIZ]; // [HGM] chat
2692 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2694 if (appData.debugMode) {
2696 fprintf(debugFP, "<ICS: ");
2697 show_bytes(debugFP, data, count);
2698 fprintf(debugFP, "\n");
2702 if (appData.debugMode) { int f = forwardMostMove;
2703 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2704 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2705 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2708 /* If last read ended with a partial line that we couldn't parse,
2709 prepend it to the new read and try again. */
2710 if (leftover_len > 0) {
2711 for (i=0; i<leftover_len; i++)
2712 buf[i] = buf[leftover_start + i];
2715 /* copy new characters into the buffer */
2716 bp = buf + leftover_len;
2717 buf_len=leftover_len;
2718 for (i=0; i<count; i++)
2721 if (data[i] == '\r')
2724 // join lines split by ICS?
2725 if (!appData.noJoin)
2728 Joining just consists of finding matches against the
2729 continuation sequence, and discarding that sequence
2730 if found instead of copying it. So, until a match
2731 fails, there's nothing to do since it might be the
2732 complete sequence, and thus, something we don't want
2735 if (data[i] == cont_seq[cmatch])
2738 if (cmatch == strlen(cont_seq))
2740 cmatch = 0; // complete match. just reset the counter
2743 it's possible for the ICS to not include the space
2744 at the end of the last word, making our [correct]
2745 join operation fuse two separate words. the server
2746 does this when the space occurs at the width setting.
2748 if (!buf_len || buf[buf_len-1] != ' ')
2759 match failed, so we have to copy what matched before
2760 falling through and copying this character. In reality,
2761 this will only ever be just the newline character, but
2762 it doesn't hurt to be precise.
2764 strncpy(bp, cont_seq, cmatch);
2776 buf[buf_len] = NULLCHAR;
2777 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2782 while (i < buf_len) {
2783 /* Deal with part of the TELNET option negotiation
2784 protocol. We refuse to do anything beyond the
2785 defaults, except that we allow the WILL ECHO option,
2786 which ICS uses to turn off password echoing when we are
2787 directly connected to it. We reject this option
2788 if localLineEditing mode is on (always on in xboard)
2789 and we are talking to port 23, which might be a real
2790 telnet server that will try to keep WILL ECHO on permanently.
2792 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2793 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2794 unsigned char option;
2796 switch ((unsigned char) buf[++i]) {
2798 if (appData.debugMode)
2799 fprintf(debugFP, "\n<WILL ");
2800 switch (option = (unsigned char) buf[++i]) {
2802 if (appData.debugMode)
2803 fprintf(debugFP, "ECHO ");
2804 /* Reply only if this is a change, according
2805 to the protocol rules. */
2806 if (remoteEchoOption) break;
2807 if (appData.localLineEditing &&
2808 atoi(appData.icsPort) == TN_PORT) {
2809 TelnetRequest(TN_DONT, TN_ECHO);
2812 TelnetRequest(TN_DO, TN_ECHO);
2813 remoteEchoOption = TRUE;
2817 if (appData.debugMode)
2818 fprintf(debugFP, "%d ", option);
2819 /* Whatever this is, we don't want it. */
2820 TelnetRequest(TN_DONT, option);
2825 if (appData.debugMode)
2826 fprintf(debugFP, "\n<WONT ");
2827 switch (option = (unsigned char) buf[++i]) {
2829 if (appData.debugMode)
2830 fprintf(debugFP, "ECHO ");
2831 /* Reply only if this is a change, according
2832 to the protocol rules. */
2833 if (!remoteEchoOption) break;
2835 TelnetRequest(TN_DONT, TN_ECHO);
2836 remoteEchoOption = FALSE;
2839 if (appData.debugMode)
2840 fprintf(debugFP, "%d ", (unsigned char) option);
2841 /* Whatever this is, it must already be turned
2842 off, because we never agree to turn on
2843 anything non-default, so according to the
2844 protocol rules, we don't reply. */
2849 if (appData.debugMode)
2850 fprintf(debugFP, "\n<DO ");
2851 switch (option = (unsigned char) buf[++i]) {
2853 /* Whatever this is, we refuse to do it. */
2854 if (appData.debugMode)
2855 fprintf(debugFP, "%d ", option);
2856 TelnetRequest(TN_WONT, option);
2861 if (appData.debugMode)
2862 fprintf(debugFP, "\n<DONT ");
2863 switch (option = (unsigned char) buf[++i]) {
2865 if (appData.debugMode)
2866 fprintf(debugFP, "%d ", option);
2867 /* Whatever this is, we are already not doing
2868 it, because we never agree to do anything
2869 non-default, so according to the protocol
2870 rules, we don't reply. */
2875 if (appData.debugMode)
2876 fprintf(debugFP, "\n<IAC ");
2877 /* Doubled IAC; pass it through */
2881 if (appData.debugMode)
2882 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2883 /* Drop all other telnet commands on the floor */
2886 if (oldi > next_out)
2887 SendToPlayer(&buf[next_out], oldi - next_out);
2893 /* OK, this at least will *usually* work */
2894 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2898 if (loggedOn && !intfSet) {
2899 if (ics_type == ICS_ICC) {
2900 snprintf(str, MSG_SIZ,
2901 "/set-quietly interface %s\n/set-quietly style 12\n",
2903 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2904 strcat(str, "/set-2 51 1\n/set seek 1\n");
2905 } else if (ics_type == ICS_CHESSNET) {
2906 snprintf(str, MSG_SIZ, "/style 12\n");
2908 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2909 strcat(str, programVersion);
2910 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2911 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2912 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2914 strcat(str, "$iset nohighlight 1\n");
2916 strcat(str, "$iset lock 1\n$style 12\n");
2919 NotifyFrontendLogin();
2923 if (started == STARTED_COMMENT) {
2924 /* Accumulate characters in comment */
2925 parse[parse_pos++] = buf[i];
2926 if (buf[i] == '\n') {
2927 parse[parse_pos] = NULLCHAR;
2928 if(chattingPartner>=0) {
2930 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2931 OutputChatMessage(chattingPartner, mess);
2932 chattingPartner = -1;
2933 next_out = i+1; // [HGM] suppress printing in ICS window
2935 if(!suppressKibitz) // [HGM] kibitz
2936 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2937 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2938 int nrDigit = 0, nrAlph = 0, j;
2939 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2940 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2941 parse[parse_pos] = NULLCHAR;
2942 // try to be smart: if it does not look like search info, it should go to
2943 // ICS interaction window after all, not to engine-output window.
2944 for(j=0; j<parse_pos; j++) { // count letters and digits
2945 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2946 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2947 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2949 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2950 int depth=0; float score;
2951 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2952 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2953 pvInfoList[forwardMostMove-1].depth = depth;
2954 pvInfoList[forwardMostMove-1].score = 100*score;
2956 OutputKibitz(suppressKibitz, parse);
2959 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2960 SendToPlayer(tmp, strlen(tmp));
2962 next_out = i+1; // [HGM] suppress printing in ICS window
2964 started = STARTED_NONE;
2966 /* Don't match patterns against characters in comment */
2971 if (started == STARTED_CHATTER) {
2972 if (buf[i] != '\n') {
2973 /* Don't match patterns against characters in chatter */
2977 started = STARTED_NONE;
2978 if(suppressKibitz) next_out = i+1;
2981 /* Kludge to deal with rcmd protocol */
2982 if (firstTime && looking_at(buf, &i, "\001*")) {
2983 DisplayFatalError(&buf[1], 0, 1);
2989 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2992 if (appData.debugMode)
2993 fprintf(debugFP, "ics_type %d\n", ics_type);
2996 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2997 ics_type = ICS_FICS;
2999 if (appData.debugMode)
3000 fprintf(debugFP, "ics_type %d\n", ics_type);
3003 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3004 ics_type = ICS_CHESSNET;
3006 if (appData.debugMode)
3007 fprintf(debugFP, "ics_type %d\n", ics_type);
3012 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3013 looking_at(buf, &i, "Logging you in as \"*\"") ||
3014 looking_at(buf, &i, "will be \"*\""))) {
3015 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3019 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3021 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3022 DisplayIcsInteractionTitle(buf);
3023 have_set_title = TRUE;
3026 /* skip finger notes */
3027 if (started == STARTED_NONE &&
3028 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3029 (buf[i] == '1' && buf[i+1] == '0')) &&
3030 buf[i+2] == ':' && buf[i+3] == ' ') {
3031 started = STARTED_CHATTER;
3037 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3038 if(appData.seekGraph) {
3039 if(soughtPending && MatchSoughtLine(buf+i)) {
3040 i = strstr(buf+i, "rated") - buf;
3041 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3042 next_out = leftover_start = i;
3043 started = STARTED_CHATTER;
3044 suppressKibitz = TRUE;
3047 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3048 && looking_at(buf, &i, "* ads displayed")) {
3049 soughtPending = FALSE;
3054 if(appData.autoRefresh) {
3055 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3056 int s = (ics_type == ICS_ICC); // ICC format differs
3058 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3059 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3060 looking_at(buf, &i, "*% "); // eat prompt
3061 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3062 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3063 next_out = i; // suppress
3066 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3067 char *p = star_match[0];
3069 if(seekGraphUp) RemoveSeekAd(atoi(p));
3070 while(*p && *p++ != ' '); // next
3072 looking_at(buf, &i, "*% "); // eat prompt
3073 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3080 /* skip formula vars */
3081 if (started == STARTED_NONE &&
3082 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3083 started = STARTED_CHATTER;
3088 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3089 if (appData.autoKibitz && started == STARTED_NONE &&
3090 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3091 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3092 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3093 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3094 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3095 suppressKibitz = TRUE;
3096 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3098 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3099 && (gameMode == IcsPlayingWhite)) ||
3100 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3101 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3102 started = STARTED_CHATTER; // own kibitz we simply discard
3104 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3105 parse_pos = 0; parse[0] = NULLCHAR;
3106 savingComment = TRUE;
3107 suppressKibitz = gameMode != IcsObserving ? 2 :
3108 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3112 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3113 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3114 && atoi(star_match[0])) {
3115 // suppress the acknowledgements of our own autoKibitz
3117 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3118 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3119 SendToPlayer(star_match[0], strlen(star_match[0]));
3120 if(looking_at(buf, &i, "*% ")) // eat prompt
3121 suppressKibitz = FALSE;
3125 } // [HGM] kibitz: end of patch
3127 // [HGM] chat: intercept tells by users for which we have an open chat window
3129 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3130 looking_at(buf, &i, "* whispers:") ||
3131 looking_at(buf, &i, "* kibitzes:") ||
3132 looking_at(buf, &i, "* shouts:") ||
3133 looking_at(buf, &i, "* c-shouts:") ||
3134 looking_at(buf, &i, "--> * ") ||
3135 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3136 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3137 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3138 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3140 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3141 chattingPartner = -1;
3143 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3144 for(p=0; p<MAX_CHAT; p++) {
3145 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3146 talker[0] = '['; strcat(talker, "] ");
3147 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3148 chattingPartner = p; break;
3151 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3152 for(p=0; p<MAX_CHAT; p++) {
3153 if(!strcmp("kibitzes", chatPartner[p])) {
3154 talker[0] = '['; strcat(talker, "] ");
3155 chattingPartner = p; break;
3158 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3159 for(p=0; p<MAX_CHAT; p++) {
3160 if(!strcmp("whispers", chatPartner[p])) {
3161 talker[0] = '['; strcat(talker, "] ");
3162 chattingPartner = p; break;
3165 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3166 if(buf[i-8] == '-' && buf[i-3] == 't')
3167 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3168 if(!strcmp("c-shouts", chatPartner[p])) {
3169 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3170 chattingPartner = p; break;
3173 if(chattingPartner < 0)
3174 for(p=0; p<MAX_CHAT; p++) {
3175 if(!strcmp("shouts", chatPartner[p])) {
3176 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3177 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3178 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3179 chattingPartner = p; break;
3183 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3184 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3185 talker[0] = 0; Colorize(ColorTell, FALSE);
3186 chattingPartner = p; break;
3188 if(chattingPartner<0) i = oldi; else {
3189 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3190 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3191 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3192 started = STARTED_COMMENT;
3193 parse_pos = 0; parse[0] = NULLCHAR;
3194 savingComment = 3 + chattingPartner; // counts as TRUE
3195 suppressKibitz = TRUE;
3198 } // [HGM] chat: end of patch
3201 if (appData.zippyTalk || appData.zippyPlay) {
3202 /* [DM] Backup address for color zippy lines */
3204 if (loggedOn == TRUE)
3205 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3206 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3208 } // [DM] 'else { ' deleted
3210 /* Regular tells and says */
3211 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3212 looking_at(buf, &i, "* (your partner) tells you: ") ||
3213 looking_at(buf, &i, "* says: ") ||
3214 /* Don't color "message" or "messages" output */
3215 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3216 looking_at(buf, &i, "*. * at *:*: ") ||
3217 looking_at(buf, &i, "--* (*:*): ") ||
3218 /* Message notifications (same color as tells) */
3219 looking_at(buf, &i, "* has left a message ") ||
3220 looking_at(buf, &i, "* just sent you a message:\n") ||
3221 /* Whispers and kibitzes */
3222 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3223 looking_at(buf, &i, "* kibitzes: ") ||
3225 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3227 if (tkind == 1 && strchr(star_match[0], ':')) {
3228 /* Avoid "tells you:" spoofs in channels */
3231 if (star_match[0][0] == NULLCHAR ||
3232 strchr(star_match[0], ' ') ||
3233 (tkind == 3 && strchr(star_match[1], ' '))) {
3234 /* Reject bogus matches */
3237 if (appData.colorize) {
3238 if (oldi > next_out) {
3239 SendToPlayer(&buf[next_out], oldi - next_out);
3244 Colorize(ColorTell, FALSE);
3245 curColor = ColorTell;
3248 Colorize(ColorKibitz, FALSE);
3249 curColor = ColorKibitz;
3252 p = strrchr(star_match[1], '(');
3259 Colorize(ColorChannel1, FALSE);
3260 curColor = ColorChannel1;
3262 Colorize(ColorChannel, FALSE);
3263 curColor = ColorChannel;
3267 curColor = ColorNormal;
3271 if (started == STARTED_NONE && appData.autoComment &&
3272 (gameMode == IcsObserving ||
3273 gameMode == IcsPlayingWhite ||
3274 gameMode == IcsPlayingBlack)) {
3275 parse_pos = i - oldi;
3276 memcpy(parse, &buf[oldi], parse_pos);
3277 parse[parse_pos] = NULLCHAR;
3278 started = STARTED_COMMENT;
3279 savingComment = TRUE;
3281 started = STARTED_CHATTER;
3282 savingComment = FALSE;
3289 if (looking_at(buf, &i, "* s-shouts: ") ||
3290 looking_at(buf, &i, "* c-shouts: ")) {
3291 if (appData.colorize) {
3292 if (oldi > next_out) {
3293 SendToPlayer(&buf[next_out], oldi - next_out);
3296 Colorize(ColorSShout, FALSE);
3297 curColor = ColorSShout;
3300 started = STARTED_CHATTER;
3304 if (looking_at(buf, &i, "--->")) {
3309 if (looking_at(buf, &i, "* shouts: ") ||
3310 looking_at(buf, &i, "--> ")) {
3311 if (appData.colorize) {
3312 if (oldi > next_out) {
3313 SendToPlayer(&buf[next_out], oldi - next_out);
3316 Colorize(ColorShout, FALSE);
3317 curColor = ColorShout;
3320 started = STARTED_CHATTER;
3324 if (looking_at( buf, &i, "Challenge:")) {
3325 if (appData.colorize) {
3326 if (oldi > next_out) {
3327 SendToPlayer(&buf[next_out], oldi - next_out);
3330 Colorize(ColorChallenge, FALSE);
3331 curColor = ColorChallenge;
3337 if (looking_at(buf, &i, "* offers you") ||
3338 looking_at(buf, &i, "* offers to be") ||
3339 looking_at(buf, &i, "* would like to") ||
3340 looking_at(buf, &i, "* requests to") ||
3341 looking_at(buf, &i, "Your opponent offers") ||
3342 looking_at(buf, &i, "Your opponent requests")) {
3344 if (appData.colorize) {
3345 if (oldi > next_out) {
3346 SendToPlayer(&buf[next_out], oldi - next_out);
3349 Colorize(ColorRequest, FALSE);
3350 curColor = ColorRequest;
3355 if (looking_at(buf, &i, "* (*) seeking")) {
3356 if (appData.colorize) {
3357 if (oldi > next_out) {
3358 SendToPlayer(&buf[next_out], oldi - next_out);
3361 Colorize(ColorSeek, FALSE);
3362 curColor = ColorSeek;
3367 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3369 if (looking_at(buf, &i, "\\ ")) {
3370 if (prevColor != ColorNormal) {
3371 if (oldi > next_out) {
3372 SendToPlayer(&buf[next_out], oldi - next_out);
3375 Colorize(prevColor, TRUE);
3376 curColor = prevColor;
3378 if (savingComment) {
3379 parse_pos = i - oldi;
3380 memcpy(parse, &buf[oldi], parse_pos);
3381 parse[parse_pos] = NULLCHAR;
3382 started = STARTED_COMMENT;
3383 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3384 chattingPartner = savingComment - 3; // kludge to remember the box
3386 started = STARTED_CHATTER;
3391 if (looking_at(buf, &i, "Black Strength :") ||
3392 looking_at(buf, &i, "<<< style 10 board >>>") ||
3393 looking_at(buf, &i, "<10>") ||
3394 looking_at(buf, &i, "#@#")) {
3395 /* Wrong board style */
3397 SendToICS(ics_prefix);
3398 SendToICS("set style 12\n");
3399 SendToICS(ics_prefix);
3400 SendToICS("refresh\n");
3404 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3406 have_sent_ICS_logon = 1;
3410 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3411 (looking_at(buf, &i, "\n<12> ") ||
3412 looking_at(buf, &i, "<12> "))) {
3414 if (oldi > next_out) {
3415 SendToPlayer(&buf[next_out], oldi - next_out);
3418 started = STARTED_BOARD;
3423 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3424 looking_at(buf, &i, "<b1> ")) {
3425 if (oldi > next_out) {
3426 SendToPlayer(&buf[next_out], oldi - next_out);
3429 started = STARTED_HOLDINGS;
3434 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3436 /* Header for a move list -- first line */
3438 switch (ics_getting_history) {
3442 case BeginningOfGame:
3443 /* User typed "moves" or "oldmoves" while we
3444 were idle. Pretend we asked for these
3445 moves and soak them up so user can step
3446 through them and/or save them.
3449 gameMode = IcsObserving;
3452 ics_getting_history = H_GOT_UNREQ_HEADER;
3454 case EditGame: /*?*/
3455 case EditPosition: /*?*/
3456 /* Should above feature work in these modes too? */
3457 /* For now it doesn't */
3458 ics_getting_history = H_GOT_UNWANTED_HEADER;
3461 ics_getting_history = H_GOT_UNWANTED_HEADER;
3466 /* Is this the right one? */
3467 if (gameInfo.white && gameInfo.black &&
3468 strcmp(gameInfo.white, star_match[0]) == 0 &&
3469 strcmp(gameInfo.black, star_match[2]) == 0) {
3471 ics_getting_history = H_GOT_REQ_HEADER;
3474 case H_GOT_REQ_HEADER:
3475 case H_GOT_UNREQ_HEADER:
3476 case H_GOT_UNWANTED_HEADER:
3477 case H_GETTING_MOVES:
3478 /* Should not happen */
3479 DisplayError(_("Error gathering move list: two headers"), 0);
3480 ics_getting_history = H_FALSE;
3484 /* Save player ratings into gameInfo if needed */
3485 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3486 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3487 (gameInfo.whiteRating == -1 ||
3488 gameInfo.blackRating == -1)) {
3490 gameInfo.whiteRating = string_to_rating(star_match[1]);
3491 gameInfo.blackRating = string_to_rating(star_match[3]);
3492 if (appData.debugMode)
3493 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3494 gameInfo.whiteRating, gameInfo.blackRating);
3499 if (looking_at(buf, &i,
3500 "* * match, initial time: * minute*, increment: * second")) {
3501 /* Header for a move list -- second line */
3502 /* Initial board will follow if this is a wild game */
3503 if (gameInfo.event != NULL) free(gameInfo.event);
3504 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3505 gameInfo.event = StrSave(str);
3506 /* [HGM] we switched variant. Translate boards if needed. */
3507 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3511 if (looking_at(buf, &i, "Move ")) {
3512 /* Beginning of a move list */
3513 switch (ics_getting_history) {
3515 /* Normally should not happen */
3516 /* Maybe user hit reset while we were parsing */
3519 /* Happens if we are ignoring a move list that is not
3520 * the one we just requested. Common if the user
3521 * tries to observe two games without turning off
3524 case H_GETTING_MOVES:
3525 /* Should not happen */
3526 DisplayError(_("Error gathering move list: nested"), 0);
3527 ics_getting_history = H_FALSE;
3529 case H_GOT_REQ_HEADER:
3530 ics_getting_history = H_GETTING_MOVES;
3531 started = STARTED_MOVES;
3533 if (oldi > next_out) {
3534 SendToPlayer(&buf[next_out], oldi - next_out);
3537 case H_GOT_UNREQ_HEADER:
3538 ics_getting_history = H_GETTING_MOVES;
3539 started = STARTED_MOVES_NOHIDE;
3542 case H_GOT_UNWANTED_HEADER:
3543 ics_getting_history = H_FALSE;
3549 if (looking_at(buf, &i, "% ") ||
3550 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3551 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3552 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3553 soughtPending = FALSE;
3557 if(suppressKibitz) next_out = i;
3558 savingComment = FALSE;
3562 case STARTED_MOVES_NOHIDE:
3563 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3564 parse[parse_pos + i - oldi] = NULLCHAR;
3565 ParseGameHistory(parse);
3567 if (appData.zippyPlay && first.initDone) {
3568 FeedMovesToProgram(&first, forwardMostMove);
3569 if (gameMode == IcsPlayingWhite) {
3570 if (WhiteOnMove(forwardMostMove)) {
3571 if (first.sendTime) {
3572 if (first.useColors) {
3573 SendToProgram("black\n", &first);
3575 SendTimeRemaining(&first, TRUE);
3577 if (first.useColors) {
3578 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3580 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3581 first.maybeThinking = TRUE;
3583 if (first.usePlayother) {
3584 if (first.sendTime) {
3585 SendTimeRemaining(&first, TRUE);
3587 SendToProgram("playother\n", &first);
3593 } else if (gameMode == IcsPlayingBlack) {
3594 if (!WhiteOnMove(forwardMostMove)) {
3595 if (first.sendTime) {
3596 if (first.useColors) {
3597 SendToProgram("white\n", &first);
3599 SendTimeRemaining(&first, FALSE);
3601 if (first.useColors) {
3602 SendToProgram("black\n", &first);
3604 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3605 first.maybeThinking = TRUE;
3607 if (first.usePlayother) {
3608 if (first.sendTime) {
3609 SendTimeRemaining(&first, FALSE);
3611 SendToProgram("playother\n", &first);
3620 if (gameMode == IcsObserving && ics_gamenum == -1) {
3621 /* Moves came from oldmoves or moves command
3622 while we weren't doing anything else.
3624 currentMove = forwardMostMove;
3625 ClearHighlights();/*!!could figure this out*/
3626 flipView = appData.flipView;
3627 DrawPosition(TRUE, boards[currentMove]);
3628 DisplayBothClocks();
3629 snprintf(str, MSG_SIZ, "%s vs. %s",
3630 gameInfo.white, gameInfo.black);
3634 /* Moves were history of an active game */
3635 if (gameInfo.resultDetails != NULL) {
3636 free(gameInfo.resultDetails);
3637 gameInfo.resultDetails = NULL;
3640 HistorySet(parseList, backwardMostMove,
3641 forwardMostMove, currentMove-1);
3642 DisplayMove(currentMove - 1);
3643 if (started == STARTED_MOVES) next_out = i;
3644 started = STARTED_NONE;
3645 ics_getting_history = H_FALSE;
3648 case STARTED_OBSERVE:
3649 started = STARTED_NONE;
3650 SendToICS(ics_prefix);
3651 SendToICS("refresh\n");
3657 if(bookHit) { // [HGM] book: simulate book reply
3658 static char bookMove[MSG_SIZ]; // a bit generous?
3660 programStats.nodes = programStats.depth = programStats.time =
3661 programStats.score = programStats.got_only_move = 0;
3662 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3664 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3665 strcat(bookMove, bookHit);
3666 HandleMachineMove(bookMove, &first);
3671 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3672 started == STARTED_HOLDINGS ||
3673 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3674 /* Accumulate characters in move list or board */
3675 parse[parse_pos++] = buf[i];
3678 /* Start of game messages. Mostly we detect start of game
3679 when the first board image arrives. On some versions
3680 of the ICS, though, we need to do a "refresh" after starting
3681 to observe in order to get the current board right away. */
3682 if (looking_at(buf, &i, "Adding game * to observation list")) {
3683 started = STARTED_OBSERVE;
3687 /* Handle auto-observe */
3688 if (appData.autoObserve &&
3689 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3690 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3692 /* Choose the player that was highlighted, if any. */
3693 if (star_match[0][0] == '\033' ||
3694 star_match[1][0] != '\033') {
3695 player = star_match[0];
3697 player = star_match[2];
3699 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3700 ics_prefix, StripHighlightAndTitle(player));
3703 /* Save ratings from notify string */
3704 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3705 player1Rating = string_to_rating(star_match[1]);
3706 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3707 player2Rating = string_to_rating(star_match[3]);
3709 if (appData.debugMode)
3711 "Ratings from 'Game notification:' %s %d, %s %d\n",
3712 player1Name, player1Rating,
3713 player2Name, player2Rating);
3718 /* Deal with automatic examine mode after a game,
3719 and with IcsObserving -> IcsExamining transition */
3720 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3721 looking_at(buf, &i, "has made you an examiner of game *")) {
3723 int gamenum = atoi(star_match[0]);
3724 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3725 gamenum == ics_gamenum) {
3726 /* We were already playing or observing this game;
3727 no need to refetch history */
3728 gameMode = IcsExamining;
3730 pauseExamForwardMostMove = forwardMostMove;
3731 } else if (currentMove < forwardMostMove) {
3732 ForwardInner(forwardMostMove);
3735 /* I don't think this case really can happen */
3736 SendToICS(ics_prefix);
3737 SendToICS("refresh\n");
3742 /* Error messages */
3743 // if (ics_user_moved) {
3744 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3745 if (looking_at(buf, &i, "Illegal move") ||
3746 looking_at(buf, &i, "Not a legal move") ||
3747 looking_at(buf, &i, "Your king is in check") ||
3748 looking_at(buf, &i, "It isn't your turn") ||
3749 looking_at(buf, &i, "It is not your move")) {
3751 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3752 currentMove = forwardMostMove-1;
3753 DisplayMove(currentMove - 1); /* before DMError */
3754 DrawPosition(FALSE, boards[currentMove]);
3755 SwitchClocks(forwardMostMove-1); // [HGM] race
3756 DisplayBothClocks();
3758 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3764 if (looking_at(buf, &i, "still have time") ||
3765 looking_at(buf, &i, "not out of time") ||
3766 looking_at(buf, &i, "either player is out of time") ||
3767 looking_at(buf, &i, "has timeseal; checking")) {
3768 /* We must have called his flag a little too soon */
3769 whiteFlag = blackFlag = FALSE;
3773 if (looking_at(buf, &i, "added * seconds to") ||
3774 looking_at(buf, &i, "seconds were added to")) {
3775 /* Update the clocks */
3776 SendToICS(ics_prefix);
3777 SendToICS("refresh\n");
3781 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3782 ics_clock_paused = TRUE;
3787 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3788 ics_clock_paused = FALSE;
3793 /* Grab player ratings from the Creating: message.
3794 Note we have to check for the special case when
3795 the ICS inserts things like [white] or [black]. */
3796 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3797 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3799 0 player 1 name (not necessarily white)
3801 2 empty, white, or black (IGNORED)
3802 3 player 2 name (not necessarily black)
3805 The names/ratings are sorted out when the game
3806 actually starts (below).
3808 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3809 player1Rating = string_to_rating(star_match[1]);
3810 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3811 player2Rating = string_to_rating(star_match[4]);
3813 if (appData.debugMode)
3815 "Ratings from 'Creating:' %s %d, %s %d\n",
3816 player1Name, player1Rating,
3817 player2Name, player2Rating);
3822 /* Improved generic start/end-of-game messages */
3823 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3824 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3825 /* If tkind == 0: */
3826 /* star_match[0] is the game number */
3827 /* [1] is the white player's name */
3828 /* [2] is the black player's name */
3829 /* For end-of-game: */
3830 /* [3] is the reason for the game end */
3831 /* [4] is a PGN end game-token, preceded by " " */
3832 /* For start-of-game: */
3833 /* [3] begins with "Creating" or "Continuing" */
3834 /* [4] is " *" or empty (don't care). */
3835 int gamenum = atoi(star_match[0]);
3836 char *whitename, *blackname, *why, *endtoken;
3837 ChessMove endtype = EndOfFile;
3840 whitename = star_match[1];
3841 blackname = star_match[2];
3842 why = star_match[3];
3843 endtoken = star_match[4];
3845 whitename = star_match[1];
3846 blackname = star_match[3];
3847 why = star_match[5];
3848 endtoken = star_match[6];
3851 /* Game start messages */
3852 if (strncmp(why, "Creating ", 9) == 0 ||
3853 strncmp(why, "Continuing ", 11) == 0) {
3854 gs_gamenum = gamenum;
3855 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3856 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3858 if (appData.zippyPlay) {
3859 ZippyGameStart(whitename, blackname);
3862 partnerBoardValid = FALSE; // [HGM] bughouse
3866 /* Game end messages */
3867 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3868 ics_gamenum != gamenum) {
3871 while (endtoken[0] == ' ') endtoken++;
3872 switch (endtoken[0]) {
3875 endtype = GameUnfinished;
3878 endtype = BlackWins;
3881 if (endtoken[1] == '/')
3882 endtype = GameIsDrawn;
3884 endtype = WhiteWins;
3887 GameEnds(endtype, why, GE_ICS);
3889 if (appData.zippyPlay && first.initDone) {
3890 ZippyGameEnd(endtype, why);
3891 if (first.pr == NULL) {
3892 /* Start the next process early so that we'll
3893 be ready for the next challenge */
3894 StartChessProgram(&first);
3896 /* Send "new" early, in case this command takes
3897 a long time to finish, so that we'll be ready
3898 for the next challenge. */
3899 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3903 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3907 if (looking_at(buf, &i, "Removing game * from observation") ||
3908 looking_at(buf, &i, "no longer observing game *") ||
3909 looking_at(buf, &i, "Game * (*) has no examiners")) {
3910 if (gameMode == IcsObserving &&
3911 atoi(star_match[0]) == ics_gamenum)
3913 /* icsEngineAnalyze */
3914 if (appData.icsEngineAnalyze) {
3921 ics_user_moved = FALSE;
3926 if (looking_at(buf, &i, "no longer examining game *")) {
3927 if (gameMode == IcsExamining &&
3928 atoi(star_match[0]) == ics_gamenum)
3932 ics_user_moved = FALSE;
3937 /* Advance leftover_start past any newlines we find,
3938 so only partial lines can get reparsed */
3939 if (looking_at(buf, &i, "\n")) {
3940 prevColor = curColor;
3941 if (curColor != ColorNormal) {
3942 if (oldi > next_out) {
3943 SendToPlayer(&buf[next_out], oldi - next_out);
3946 Colorize(ColorNormal, FALSE);
3947 curColor = ColorNormal;
3949 if (started == STARTED_BOARD) {
3950 started = STARTED_NONE;
3951 parse[parse_pos] = NULLCHAR;
3952 ParseBoard12(parse);
3955 /* Send premove here */
3956 if (appData.premove) {
3958 if (currentMove == 0 &&
3959 gameMode == IcsPlayingWhite &&
3960 appData.premoveWhite) {
3961 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3962 if (appData.debugMode)
3963 fprintf(debugFP, "Sending premove:\n");
3965 } else if (currentMove == 1 &&
3966 gameMode == IcsPlayingBlack &&
3967 appData.premoveBlack) {
3968 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3969 if (appData.debugMode)
3970 fprintf(debugFP, "Sending premove:\n");
3972 } else if (gotPremove) {
3974 ClearPremoveHighlights();
3975 if (appData.debugMode)
3976 fprintf(debugFP, "Sending premove:\n");
3977 UserMoveEvent(premoveFromX, premoveFromY,
3978 premoveToX, premoveToY,
3983 /* Usually suppress following prompt */
3984 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3985 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3986 if (looking_at(buf, &i, "*% ")) {
3987 savingComment = FALSE;
3992 } else if (started == STARTED_HOLDINGS) {
3994 char new_piece[MSG_SIZ];
3995 started = STARTED_NONE;
3996 parse[parse_pos] = NULLCHAR;
3997 if (appData.debugMode)
3998 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3999 parse, currentMove);
4000 if (sscanf(parse, " game %d", &gamenum) == 1) {
4001 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4002 if (gameInfo.variant == VariantNormal) {
4003 /* [HGM] We seem to switch variant during a game!
4004 * Presumably no holdings were displayed, so we have
4005 * to move the position two files to the right to
4006 * create room for them!
4008 VariantClass newVariant;
4009 switch(gameInfo.boardWidth) { // base guess on board width
4010 case 9: newVariant = VariantShogi; break;
4011 case 10: newVariant = VariantGreat; break;
4012 default: newVariant = VariantCrazyhouse; break;
4014 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4015 /* Get a move list just to see the header, which
4016 will tell us whether this is really bug or zh */
4017 if (ics_getting_history == H_FALSE) {
4018 ics_getting_history = H_REQUESTED;
4019 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4023 new_piece[0] = NULLCHAR;
4024 sscanf(parse, "game %d white [%s black [%s <- %s",
4025 &gamenum, white_holding, black_holding,
4027 white_holding[strlen(white_holding)-1] = NULLCHAR;
4028 black_holding[strlen(black_holding)-1] = NULLCHAR;
4029 /* [HGM] copy holdings to board holdings area */
4030 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4031 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4032 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4034 if (appData.zippyPlay && first.initDone) {
4035 ZippyHoldings(white_holding, black_holding,
4039 if (tinyLayout || smallLayout) {
4040 char wh[16], bh[16];
4041 PackHolding(wh, white_holding);
4042 PackHolding(bh, black_holding);
4043 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
4044 gameInfo.white, gameInfo.black);
4046 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
4047 gameInfo.white, white_holding,
4048 gameInfo.black, black_holding);
4050 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4051 DrawPosition(FALSE, boards[currentMove]);
4053 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4054 sscanf(parse, "game %d white [%s black [%s <- %s",
4055 &gamenum, white_holding, black_holding,
4057 white_holding[strlen(white_holding)-1] = NULLCHAR;
4058 black_holding[strlen(black_holding)-1] = NULLCHAR;
4059 /* [HGM] copy holdings to partner-board holdings area */
4060 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4061 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4062 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4063 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4064 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4067 /* Suppress following prompt */
4068 if (looking_at(buf, &i, "*% ")) {
4069 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4070 savingComment = FALSE;
4078 i++; /* skip unparsed character and loop back */
4081 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4082 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4083 // SendToPlayer(&buf[next_out], i - next_out);
4084 started != STARTED_HOLDINGS && leftover_start > next_out) {
4085 SendToPlayer(&buf[next_out], leftover_start - next_out);
4089 leftover_len = buf_len - leftover_start;
4090 /* if buffer ends with something we couldn't parse,
4091 reparse it after appending the next read */
4093 } else if (count == 0) {
4094 RemoveInputSource(isr);
4095 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4097 DisplayFatalError(_("Error reading from ICS"), error, 1);
4102 /* Board style 12 looks like this:
4104 <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
4106 * The "<12> " is stripped before it gets to this routine. The two
4107 * trailing 0's (flip state and clock ticking) are later addition, and
4108 * some chess servers may not have them, or may have only the first.
4109 * Additional trailing fields may be added in the future.
4112 #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"
4114 #define RELATION_OBSERVING_PLAYED 0
4115 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4116 #define RELATION_PLAYING_MYMOVE 1
4117 #define RELATION_PLAYING_NOTMYMOVE -1
4118 #define RELATION_EXAMINING 2
4119 #define RELATION_ISOLATED_BOARD -3
4120 #define RELATION_STARTING_POSITION -4 /* FICS only */
4123 ParseBoard12(string)
4126 GameMode newGameMode;
4127 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4128 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4129 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4130 char to_play, board_chars[200];
4131 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4132 char black[32], white[32];
4134 int prevMove = currentMove;
4137 int fromX, fromY, toX, toY;
4139 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4140 char *bookHit = NULL; // [HGM] book
4141 Boolean weird = FALSE, reqFlag = FALSE;
4143 fromX = fromY = toX = toY = -1;
4147 if (appData.debugMode)
4148 fprintf(debugFP, _("Parsing board: %s\n"), string);
4150 move_str[0] = NULLCHAR;
4151 elapsed_time[0] = NULLCHAR;
4152 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4154 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4155 if(string[i] == ' ') { ranks++; files = 0; }
4157 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4160 for(j = 0; j <i; j++) board_chars[j] = string[j];
4161 board_chars[i] = '\0';
4164 n = sscanf(string, PATTERN, &to_play, &double_push,
4165 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4166 &gamenum, white, black, &relation, &basetime, &increment,
4167 &white_stren, &black_stren, &white_time, &black_time,
4168 &moveNum, str, elapsed_time, move_str, &ics_flip,
4172 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4173 DisplayError(str, 0);
4177 /* Convert the move number to internal form */
4178 moveNum = (moveNum - 1) * 2;
4179 if (to_play == 'B') moveNum++;
4180 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4181 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4187 case RELATION_OBSERVING_PLAYED:
4188 case RELATION_OBSERVING_STATIC:
4189 if (gamenum == -1) {
4190 /* Old ICC buglet */
4191 relation = RELATION_OBSERVING_STATIC;
4193 newGameMode = IcsObserving;
4195 case RELATION_PLAYING_MYMOVE:
4196 case RELATION_PLAYING_NOTMYMOVE:
4198 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4199 IcsPlayingWhite : IcsPlayingBlack;
4201 case RELATION_EXAMINING:
4202 newGameMode = IcsExamining;
4204 case RELATION_ISOLATED_BOARD:
4206 /* Just display this board. If user was doing something else,
4207 we will forget about it until the next board comes. */
4208 newGameMode = IcsIdle;
4210 case RELATION_STARTING_POSITION:
4211 newGameMode = gameMode;
4215 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4216 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4217 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4219 for (k = 0; k < ranks; k++) {
4220 for (j = 0; j < files; j++)
4221 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4222 if(gameInfo.holdingsWidth > 1) {
4223 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4224 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4227 CopyBoard(partnerBoard, board);
4228 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4229 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4230 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4231 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4232 if(toSqr = strchr(str, '-')) {
4233 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4234 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4235 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4236 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4237 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4238 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4239 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4240 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4241 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4242 DisplayMessage(partnerStatus, "");
4243 partnerBoardValid = TRUE;
4247 /* Modify behavior for initial board display on move listing
4250 switch (ics_getting_history) {
4254 case H_GOT_REQ_HEADER:
4255 case H_GOT_UNREQ_HEADER:
4256 /* This is the initial position of the current game */
4257 gamenum = ics_gamenum;
4258 moveNum = 0; /* old ICS bug workaround */
4259 if (to_play == 'B') {
4260 startedFromSetupPosition = TRUE;
4261 blackPlaysFirst = TRUE;
4263 if (forwardMostMove == 0) forwardMostMove = 1;
4264 if (backwardMostMove == 0) backwardMostMove = 1;
4265 if (currentMove == 0) currentMove = 1;
4267 newGameMode = gameMode;
4268 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4270 case H_GOT_UNWANTED_HEADER:
4271 /* This is an initial board that we don't want */
4273 case H_GETTING_MOVES:
4274 /* Should not happen */
4275 DisplayError(_("Error gathering move list: extra board"), 0);
4276 ics_getting_history = H_FALSE;
4280 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4281 weird && (int)gameInfo.variant < (int)VariantShogi) {
4282 /* [HGM] We seem to have switched variant unexpectedly
4283 * Try to guess new variant from board size
4285 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4286 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4287 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4288 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4289 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4290 if(!weird) newVariant = VariantNormal;
4291 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4292 /* Get a move list just to see the header, which
4293 will tell us whether this is really bug or zh */
4294 if (ics_getting_history == H_FALSE) {
4295 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4296 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4301 /* Take action if this is the first board of a new game, or of a
4302 different game than is currently being displayed. */
4303 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4304 relation == RELATION_ISOLATED_BOARD) {
4306 /* Forget the old game and get the history (if any) of the new one */
4307 if (gameMode != BeginningOfGame) {
4311 if (appData.autoRaiseBoard) BoardToTop();
4313 if (gamenum == -1) {
4314 newGameMode = IcsIdle;
4315 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4316 appData.getMoveList && !reqFlag) {
4317 /* Need to get game history */
4318 ics_getting_history = H_REQUESTED;
4319 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4323 /* Initially flip the board to have black on the bottom if playing
4324 black or if the ICS flip flag is set, but let the user change
4325 it with the Flip View button. */
4326 flipView = appData.autoFlipView ?
4327 (newGameMode == IcsPlayingBlack) || ics_flip :
4330 /* Done with values from previous mode; copy in new ones */
4331 gameMode = newGameMode;
4333 ics_gamenum = gamenum;
4334 if (gamenum == gs_gamenum) {
4335 int klen = strlen(gs_kind);
4336 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4337 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4338 gameInfo.event = StrSave(str);
4340 gameInfo.event = StrSave("ICS game");
4342 gameInfo.site = StrSave(appData.icsHost);
4343 gameInfo.date = PGNDate();
4344 gameInfo.round = StrSave("-");
4345 gameInfo.white = StrSave(white);
4346 gameInfo.black = StrSave(black);
4347 timeControl = basetime * 60 * 1000;
4349 timeIncrement = increment * 1000;
4350 movesPerSession = 0;
4351 gameInfo.timeControl = TimeControlTagValue();
4352 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4353 if (appData.debugMode) {
4354 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4355 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4356 setbuf(debugFP, NULL);
4359 gameInfo.outOfBook = NULL;
4361 /* Do we have the ratings? */
4362 if (strcmp(player1Name, white) == 0 &&
4363 strcmp(player2Name, black) == 0) {
4364 if (appData.debugMode)
4365 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4366 player1Rating, player2Rating);
4367 gameInfo.whiteRating = player1Rating;
4368 gameInfo.blackRating = player2Rating;
4369 } else if (strcmp(player2Name, white) == 0 &&
4370 strcmp(player1Name, black) == 0) {
4371 if (appData.debugMode)
4372 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4373 player2Rating, player1Rating);
4374 gameInfo.whiteRating = player2Rating;
4375 gameInfo.blackRating = player1Rating;
4377 player1Name[0] = player2Name[0] = NULLCHAR;
4379 /* Silence shouts if requested */
4380 if (appData.quietPlay &&
4381 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4382 SendToICS(ics_prefix);
4383 SendToICS("set shout 0\n");
4387 /* Deal with midgame name changes */
4389 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4390 if (gameInfo.white) free(gameInfo.white);
4391 gameInfo.white = StrSave(white);
4393 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4394 if (gameInfo.black) free(gameInfo.black);
4395 gameInfo.black = StrSave(black);
4399 /* Throw away game result if anything actually changes in examine mode */
4400 if (gameMode == IcsExamining && !newGame) {
4401 gameInfo.result = GameUnfinished;
4402 if (gameInfo.resultDetails != NULL) {
4403 free(gameInfo.resultDetails);
4404 gameInfo.resultDetails = NULL;
4408 /* In pausing && IcsExamining mode, we ignore boards coming
4409 in if they are in a different variation than we are. */
4410 if (pauseExamInvalid) return;
4411 if (pausing && gameMode == IcsExamining) {
4412 if (moveNum <= pauseExamForwardMostMove) {
4413 pauseExamInvalid = TRUE;
4414 forwardMostMove = pauseExamForwardMostMove;
4419 if (appData.debugMode) {
4420 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4422 /* Parse the board */
4423 for (k = 0; k < ranks; k++) {
4424 for (j = 0; j < files; j++)
4425 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4426 if(gameInfo.holdingsWidth > 1) {
4427 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4428 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4431 CopyBoard(boards[moveNum], board);
4432 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4434 startedFromSetupPosition =
4435 !CompareBoards(board, initialPosition);
4436 if(startedFromSetupPosition)
4437 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4440 /* [HGM] Set castling rights. Take the outermost Rooks,
4441 to make it also work for FRC opening positions. Note that board12
4442 is really defective for later FRC positions, as it has no way to
4443 indicate which Rook can castle if they are on the same side of King.
4444 For the initial position we grant rights to the outermost Rooks,
4445 and remember thos rights, and we then copy them on positions
4446 later in an FRC game. This means WB might not recognize castlings with
4447 Rooks that have moved back to their original position as illegal,
4448 but in ICS mode that is not its job anyway.
4450 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4451 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4453 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4454 if(board[0][i] == WhiteRook) j = i;
4455 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4456 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4457 if(board[0][i] == WhiteRook) j = i;
4458 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4459 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4460 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4461 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4462 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4463 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4464 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4466 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4467 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4468 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4469 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4470 if(board[BOARD_HEIGHT-1][k] == bKing)
4471 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4472 if(gameInfo.variant == VariantTwoKings) {
4473 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4474 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4475 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4478 r = boards[moveNum][CASTLING][0] = initialRights[0];
4479 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4480 r = boards[moveNum][CASTLING][1] = initialRights[1];
4481 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4482 r = boards[moveNum][CASTLING][3] = initialRights[3];
4483 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4484 r = boards[moveNum][CASTLING][4] = initialRights[4];
4485 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4486 /* wildcastle kludge: always assume King has rights */
4487 r = boards[moveNum][CASTLING][2] = initialRights[2];
4488 r = boards[moveNum][CASTLING][5] = initialRights[5];
4490 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4491 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4494 if (ics_getting_history == H_GOT_REQ_HEADER ||
4495 ics_getting_history == H_GOT_UNREQ_HEADER) {
4496 /* This was an initial position from a move list, not
4497 the current position */
4501 /* Update currentMove and known move number limits */
4502 newMove = newGame || moveNum > forwardMostMove;
4505 forwardMostMove = backwardMostMove = currentMove = moveNum;
4506 if (gameMode == IcsExamining && moveNum == 0) {
4507 /* Workaround for ICS limitation: we are not told the wild
4508 type when starting to examine a game. But if we ask for
4509 the move list, the move list header will tell us */
4510 ics_getting_history = H_REQUESTED;
4511 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4514 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4515 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4517 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4518 /* [HGM] applied this also to an engine that is silently watching */
4519 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4520 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4521 gameInfo.variant == currentlyInitializedVariant) {
4522 takeback = forwardMostMove - moveNum;
4523 for (i = 0; i < takeback; i++) {
4524 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4525 SendToProgram("undo\n", &first);
4530 forwardMostMove = moveNum;
4531 if (!pausing || currentMove > forwardMostMove)
4532 currentMove = forwardMostMove;
4534 /* New part of history that is not contiguous with old part */
4535 if (pausing && gameMode == IcsExamining) {
4536 pauseExamInvalid = TRUE;
4537 forwardMostMove = pauseExamForwardMostMove;
4540 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4542 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4543 // [HGM] when we will receive the move list we now request, it will be
4544 // fed to the engine from the first move on. So if the engine is not
4545 // in the initial position now, bring it there.
4546 InitChessProgram(&first, 0);
4549 ics_getting_history = H_REQUESTED;
4550 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4553 forwardMostMove = backwardMostMove = currentMove = moveNum;
4556 /* Update the clocks */
4557 if (strchr(elapsed_time, '.')) {
4559 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4560 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4562 /* Time is in seconds */
4563 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4564 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4569 if (appData.zippyPlay && newGame &&
4570 gameMode != IcsObserving && gameMode != IcsIdle &&
4571 gameMode != IcsExamining)
4572 ZippyFirstBoard(moveNum, basetime, increment);
4575 /* Put the move on the move list, first converting
4576 to canonical algebraic form. */
4578 if (appData.debugMode) {
4579 if (appData.debugMode) { int f = forwardMostMove;
4580 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4581 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4582 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4584 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4585 fprintf(debugFP, "moveNum = %d\n", moveNum);
4586 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4587 setbuf(debugFP, NULL);
4589 if (moveNum <= backwardMostMove) {
4590 /* We don't know what the board looked like before
4592 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4593 strcat(parseList[moveNum - 1], " ");
4594 strcat(parseList[moveNum - 1], elapsed_time);
4595 moveList[moveNum - 1][0] = NULLCHAR;
4596 } else if (strcmp(move_str, "none") == 0) {
4597 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4598 /* Again, we don't know what the board looked like;
4599 this is really the start of the game. */
4600 parseList[moveNum - 1][0] = NULLCHAR;
4601 moveList[moveNum - 1][0] = NULLCHAR;
4602 backwardMostMove = moveNum;
4603 startedFromSetupPosition = TRUE;
4604 fromX = fromY = toX = toY = -1;
4606 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4607 // So we parse the long-algebraic move string in stead of the SAN move
4608 int valid; char buf[MSG_SIZ], *prom;
4610 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4611 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4612 // str looks something like "Q/a1-a2"; kill the slash
4614 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4615 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4616 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4617 strcat(buf, prom); // long move lacks promo specification!
4618 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4619 if(appData.debugMode)
4620 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4621 safeStrCpy(move_str, buf, MSG_SIZ);
4623 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4624 &fromX, &fromY, &toX, &toY, &promoChar)
4625 || ParseOneMove(buf, moveNum - 1, &moveType,
4626 &fromX, &fromY, &toX, &toY, &promoChar);
4627 // end of long SAN patch
4629 (void) CoordsToAlgebraic(boards[moveNum - 1],
4630 PosFlags(moveNum - 1),
4631 fromY, fromX, toY, toX, promoChar,
4632 parseList[moveNum-1]);
4633 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4639 if(gameInfo.variant != VariantShogi)
4640 strcat(parseList[moveNum - 1], "+");
4643 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4644 strcat(parseList[moveNum - 1], "#");
4647 strcat(parseList[moveNum - 1], " ");
4648 strcat(parseList[moveNum - 1], elapsed_time);
4649 /* currentMoveString is set as a side-effect of ParseOneMove */
4650 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4651 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4652 strcat(moveList[moveNum - 1], "\n");
4654 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4655 && gameInfo.variant != VariantGrand) // inherit info that ICS does not give from previous board
4656 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4657 ChessSquare old, new = boards[moveNum][k][j];
4658 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4659 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4660 if(old == new) continue;
4661 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4662 else if(new == WhiteWazir || new == BlackWazir) {
4663 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4664 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4665 else boards[moveNum][k][j] = old; // preserve type of Gold
4666 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4667 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4670 /* Move from ICS was illegal!? Punt. */
4671 if (appData.debugMode) {
4672 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4673 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4675 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4676 strcat(parseList[moveNum - 1], " ");
4677 strcat(parseList[moveNum - 1], elapsed_time);
4678 moveList[moveNum - 1][0] = NULLCHAR;
4679 fromX = fromY = toX = toY = -1;
4682 if (appData.debugMode) {
4683 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4684 setbuf(debugFP, NULL);
4688 /* Send move to chess program (BEFORE animating it). */
4689 if (appData.zippyPlay && !newGame && newMove &&
4690 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4692 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4693 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4694 if (moveList[moveNum - 1][0] == NULLCHAR) {
4695 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4697 DisplayError(str, 0);
4699 if (first.sendTime) {
4700 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4702 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4703 if (firstMove && !bookHit) {
4705 if (first.useColors) {
4706 SendToProgram(gameMode == IcsPlayingWhite ?
4708 "black\ngo\n", &first);
4710 SendToProgram("go\n", &first);
4712 first.maybeThinking = TRUE;
4715 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4716 if (moveList[moveNum - 1][0] == NULLCHAR) {
4717 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4718 DisplayError(str, 0);
4720 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4721 SendMoveToProgram(moveNum - 1, &first);
4728 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4729 /* If move comes from a remote source, animate it. If it
4730 isn't remote, it will have already been animated. */
4731 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4732 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4734 if (!pausing && appData.highlightLastMove) {
4735 SetHighlights(fromX, fromY, toX, toY);
4739 /* Start the clocks */
4740 whiteFlag = blackFlag = FALSE;
4741 appData.clockMode = !(basetime == 0 && increment == 0);
4743 ics_clock_paused = TRUE;
4745 } else if (ticking == 1) {
4746 ics_clock_paused = FALSE;
4748 if (gameMode == IcsIdle ||
4749 relation == RELATION_OBSERVING_STATIC ||
4750 relation == RELATION_EXAMINING ||
4752 DisplayBothClocks();
4756 /* Display opponents and material strengths */
4757 if (gameInfo.variant != VariantBughouse &&
4758 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4759 if (tinyLayout || smallLayout) {
4760 if(gameInfo.variant == VariantNormal)
4761 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4762 gameInfo.white, white_stren, gameInfo.black, black_stren,
4763 basetime, increment);
4765 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4766 gameInfo.white, white_stren, gameInfo.black, black_stren,
4767 basetime, increment, (int) gameInfo.variant);
4769 if(gameInfo.variant == VariantNormal)
4770 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4771 gameInfo.white, white_stren, gameInfo.black, black_stren,
4772 basetime, increment);
4774 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4775 gameInfo.white, white_stren, gameInfo.black, black_stren,
4776 basetime, increment, VariantName(gameInfo.variant));
4779 if (appData.debugMode) {
4780 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4785 /* Display the board */
4786 if (!pausing && !appData.noGUI) {
4788 if (appData.premove)
4790 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4791 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4792 ClearPremoveHighlights();
4794 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4795 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4796 DrawPosition(j, boards[currentMove]);
4798 DisplayMove(moveNum - 1);
4799 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4800 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4801 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4802 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4806 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4808 if(bookHit) { // [HGM] book: simulate book reply
4809 static char bookMove[MSG_SIZ]; // a bit generous?
4811 programStats.nodes = programStats.depth = programStats.time =
4812 programStats.score = programStats.got_only_move = 0;
4813 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4815 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4816 strcat(bookMove, bookHit);
4817 HandleMachineMove(bookMove, &first);
4826 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4827 ics_getting_history = H_REQUESTED;
4828 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4834 AnalysisPeriodicEvent(force)
4837 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4838 && !force) || !appData.periodicUpdates)
4841 /* Send . command to Crafty to collect stats */
4842 SendToProgram(".\n", &first);
4844 /* Don't send another until we get a response (this makes
4845 us stop sending to old Crafty's which don't understand
4846 the "." command (sending illegal cmds resets node count & time,
4847 which looks bad)) */
4848 programStats.ok_to_send = 0;
4851 void ics_update_width(new_width)
4854 ics_printf("set width %d\n", new_width);
4858 SendMoveToProgram(moveNum, cps)
4860 ChessProgramState *cps;
4864 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4865 // null move in variant where engine does not understand it (for analysis purposes)
4866 SendBoard(cps, moveNum + 1); // send position after move in stead.
4869 if (cps->useUsermove) {
4870 SendToProgram("usermove ", cps);
4874 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4875 int len = space - parseList[moveNum];
4876 memcpy(buf, parseList[moveNum], len);
4878 buf[len] = NULLCHAR;
4880 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4882 SendToProgram(buf, cps);
4884 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4885 AlphaRank(moveList[moveNum], 4);
4886 SendToProgram(moveList[moveNum], cps);
4887 AlphaRank(moveList[moveNum], 4); // and back
4889 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4890 * the engine. It would be nice to have a better way to identify castle
4892 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4893 && cps->useOOCastle) {
4894 int fromX = moveList[moveNum][0] - AAA;
4895 int fromY = moveList[moveNum][1] - ONE;
4896 int toX = moveList[moveNum][2] - AAA;
4897 int toY = moveList[moveNum][3] - ONE;
4898 if((boards[moveNum][fromY][fromX] == WhiteKing
4899 && boards[moveNum][toY][toX] == WhiteRook)
4900 || (boards[moveNum][fromY][fromX] == BlackKing
4901 && boards[moveNum][toY][toX] == BlackRook)) {
4902 if(toX > fromX) SendToProgram("O-O\n", cps);
4903 else SendToProgram("O-O-O\n", cps);
4905 else SendToProgram(moveList[moveNum], cps);
4907 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4908 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4909 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4910 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4911 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4913 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4914 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4915 SendToProgram(buf, cps);
4917 else SendToProgram(moveList[moveNum], cps);
4918 /* End of additions by Tord */
4921 /* [HGM] setting up the opening has brought engine in force mode! */
4922 /* Send 'go' if we are in a mode where machine should play. */
4923 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4924 (gameMode == TwoMachinesPlay ||
4926 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4928 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4929 SendToProgram("go\n", cps);
4930 if (appData.debugMode) {
4931 fprintf(debugFP, "(extra)\n");
4934 setboardSpoiledMachineBlack = 0;
4938 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4940 int fromX, fromY, toX, toY;
4943 char user_move[MSG_SIZ];
4947 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4948 (int)moveType, fromX, fromY, toX, toY);
4949 DisplayError(user_move + strlen("say "), 0);
4951 case WhiteKingSideCastle:
4952 case BlackKingSideCastle:
4953 case WhiteQueenSideCastleWild:
4954 case BlackQueenSideCastleWild:
4956 case WhiteHSideCastleFR:
4957 case BlackHSideCastleFR:
4959 snprintf(user_move, MSG_SIZ, "o-o\n");
4961 case WhiteQueenSideCastle:
4962 case BlackQueenSideCastle:
4963 case WhiteKingSideCastleWild:
4964 case BlackKingSideCastleWild:
4966 case WhiteASideCastleFR:
4967 case BlackASideCastleFR:
4969 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4971 case WhiteNonPromotion:
4972 case BlackNonPromotion:
4973 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4975 case WhitePromotion:
4976 case BlackPromotion:
4977 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4978 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4979 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4980 PieceToChar(WhiteFerz));
4981 else if(gameInfo.variant == VariantGreat)
4982 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4983 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4984 PieceToChar(WhiteMan));
4986 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4987 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4993 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4994 ToUpper(PieceToChar((ChessSquare) fromX)),
4995 AAA + toX, ONE + toY);
4997 case IllegalMove: /* could be a variant we don't quite understand */
4998 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5000 case WhiteCapturesEnPassant:
5001 case BlackCapturesEnPassant:
5002 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5003 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5006 SendToICS(user_move);
5007 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5008 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5013 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5014 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5015 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5016 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5017 DisplayError("You cannot do this while you are playing or observing", 0);
5020 if(gameMode != IcsExamining) { // is this ever not the case?
5021 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5023 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5024 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5025 } else { // on FICS we must first go to general examine mode
5026 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5028 if(gameInfo.variant != VariantNormal) {
5029 // try figure out wild number, as xboard names are not always valid on ICS
5030 for(i=1; i<=36; i++) {
5031 snprintf(buf, MSG_SIZ, "wild/%d", i);
5032 if(StringToVariant(buf) == gameInfo.variant) break;
5034 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5035 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5036 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5037 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5038 SendToICS(ics_prefix);
5040 if(startedFromSetupPosition || backwardMostMove != 0) {
5041 fen = PositionToFEN(backwardMostMove, NULL);
5042 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5043 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5045 } else { // FICS: everything has to set by separate bsetup commands
5046 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5047 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5049 if(!WhiteOnMove(backwardMostMove)) {
5050 SendToICS("bsetup tomove black\n");
5052 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5053 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5055 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5056 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5058 i = boards[backwardMostMove][EP_STATUS];
5059 if(i >= 0) { // set e.p.
5060 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5066 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5067 SendToICS("bsetup done\n"); // switch to normal examining.
5069 for(i = backwardMostMove; i<last; i++) {
5071 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5074 SendToICS(ics_prefix);
5075 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5079 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5084 if (rf == DROP_RANK) {
5085 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5086 sprintf(move, "%c@%c%c\n",
5087 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5089 if (promoChar == 'x' || promoChar == NULLCHAR) {
5090 sprintf(move, "%c%c%c%c\n",
5091 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5093 sprintf(move, "%c%c%c%c%c\n",
5094 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5100 ProcessICSInitScript(f)
5105 while (fgets(buf, MSG_SIZ, f)) {
5106 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5113 static int lastX, lastY, selectFlag, dragging;
5118 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5119 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5120 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5121 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5122 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5123 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5126 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5127 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5128 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5129 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5131 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5132 appData.testLegality && (promoSweep == king ||
5133 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5134 ChangeDragPiece(promoSweep);
5137 int PromoScroll(int x, int y)
5141 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5142 if(abs(x - lastX) < 15 && abs(y - lastY) < 15) return FALSE;
5143 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5144 if(!step) return FALSE;
5145 lastX = x; lastY = y;
5146 if((promoSweep < BlackPawn) == flipView) step = -step;
5147 if(step > 0) selectFlag = 1;
5148 if(!selectFlag) Sweep(step);
5155 ChessSquare piece = boards[currentMove][toY][toX];
5158 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5159 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5160 if(!step) step = -1;
5161 } while(PieceToChar(pieceSweep) == '.');
5162 boards[currentMove][toY][toX] = pieceSweep;
5163 DrawPosition(FALSE, boards[currentMove]);
5164 boards[currentMove][toY][toX] = piece;
5166 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5168 AlphaRank(char *move, int n)
5170 // char *p = move, c; int x, y;
5172 if (appData.debugMode) {
5173 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5177 move[2]>='0' && move[2]<='9' &&
5178 move[3]>='a' && move[3]<='x' ) {
5180 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5181 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5183 if(move[0]>='0' && move[0]<='9' &&
5184 move[1]>='a' && move[1]<='x' &&
5185 move[2]>='0' && move[2]<='9' &&
5186 move[3]>='a' && move[3]<='x' ) {
5187 /* input move, Shogi -> normal */
5188 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5189 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5190 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5191 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5194 move[3]>='0' && move[3]<='9' &&
5195 move[2]>='a' && move[2]<='x' ) {
5197 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5198 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5201 move[0]>='a' && move[0]<='x' &&
5202 move[3]>='0' && move[3]<='9' &&
5203 move[2]>='a' && move[2]<='x' ) {
5204 /* output move, normal -> Shogi */
5205 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5206 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5207 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5208 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5209 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5211 if (appData.debugMode) {
5212 fprintf(debugFP, " out = '%s'\n", move);
5216 char yy_textstr[8000];
5218 /* Parser for moves from gnuchess, ICS, or user typein box */
5220 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5223 ChessMove *moveType;
5224 int *fromX, *fromY, *toX, *toY;
5227 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5229 switch (*moveType) {
5230 case WhitePromotion:
5231 case BlackPromotion:
5232 case WhiteNonPromotion:
5233 case BlackNonPromotion:
5235 case WhiteCapturesEnPassant:
5236 case BlackCapturesEnPassant:
5237 case WhiteKingSideCastle:
5238 case WhiteQueenSideCastle:
5239 case BlackKingSideCastle:
5240 case BlackQueenSideCastle:
5241 case WhiteKingSideCastleWild:
5242 case WhiteQueenSideCastleWild:
5243 case BlackKingSideCastleWild:
5244 case BlackQueenSideCastleWild:
5245 /* Code added by Tord: */
5246 case WhiteHSideCastleFR:
5247 case WhiteASideCastleFR:
5248 case BlackHSideCastleFR:
5249 case BlackASideCastleFR:
5250 /* End of code added by Tord */
5251 case IllegalMove: /* bug or odd chess variant */
5252 *fromX = currentMoveString[0] - AAA;
5253 *fromY = currentMoveString[1] - ONE;
5254 *toX = currentMoveString[2] - AAA;
5255 *toY = currentMoveString[3] - ONE;
5256 *promoChar = currentMoveString[4];
5257 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5258 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5259 if (appData.debugMode) {
5260 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5262 *fromX = *fromY = *toX = *toY = 0;
5265 if (appData.testLegality) {
5266 return (*moveType != IllegalMove);
5268 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5269 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5274 *fromX = *moveType == WhiteDrop ?
5275 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5276 (int) CharToPiece(ToLower(currentMoveString[0]));
5278 *toX = currentMoveString[2] - AAA;
5279 *toY = currentMoveString[3] - ONE;
5280 *promoChar = NULLCHAR;
5284 case ImpossibleMove:
5294 if (appData.debugMode) {
5295 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5298 *fromX = *fromY = *toX = *toY = 0;
5299 *promoChar = NULLCHAR;
5304 Boolean pushed = FALSE;
5305 char *lastParseAttempt;
5308 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5309 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5310 int fromX, fromY, toX, toY; char promoChar;
5315 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5316 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5319 endPV = forwardMostMove;
5321 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5322 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5323 lastParseAttempt = pv;
5324 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5325 if(appData.debugMode){
5326 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
5328 if(!valid && nr == 0 &&
5329 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5330 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5331 // Hande case where played move is different from leading PV move
5332 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5333 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5334 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5335 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5336 endPV += 2; // if position different, keep this
5337 moveList[endPV-1][0] = fromX + AAA;
5338 moveList[endPV-1][1] = fromY + ONE;
5339 moveList[endPV-1][2] = toX + AAA;
5340 moveList[endPV-1][3] = toY + ONE;
5341 parseList[endPV-1][0] = NULLCHAR;
5342 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5345 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5346 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5347 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5348 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5349 valid++; // allow comments in PV
5353 if(endPV+1 > framePtr) break; // no space, truncate
5356 CopyBoard(boards[endPV], boards[endPV-1]);
5357 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5358 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5359 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5360 CoordsToAlgebraic(boards[endPV - 1],
5361 PosFlags(endPV - 1),
5362 fromY, fromX, toY, toX, promoChar,
5363 parseList[endPV - 1]);
5365 if(atEnd == 2) return; // used hidden, for PV conversion
5366 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5367 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5368 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5369 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5370 DrawPosition(TRUE, boards[currentMove]);
5374 MultiPV(ChessProgramState *cps)
5375 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5377 for(i=0; i<cps->nrOptions; i++)
5378 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5384 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5386 int startPV, multi, lineStart, origIndex = index;
5387 char *p, buf2[MSG_SIZ];
5389 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5390 lastX = x; lastY = y;
5391 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5392 lineStart = startPV = index;
5393 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5394 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5396 do{ while(buf[index] && buf[index] != '\n') index++;
5397 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5399 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5400 int n = first.option[multi].value;
5401 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5402 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5403 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5404 first.option[multi].value = n;
5408 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5409 *start = startPV; *end = index-1;
5416 static char buf[10*MSG_SIZ];
5417 int i, k=0, savedEnd=endPV;
5419 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5420 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5421 for(i = forwardMostMove; i<endPV; i++){
5422 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5423 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5426 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5427 if(forwardMostMove < savedEnd) PopInner(0);
5433 LoadPV(int x, int y)
5434 { // called on right mouse click to load PV
5435 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5436 lastX = x; lastY = y;
5437 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5444 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5445 if(endPV < 0) return;
5447 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5448 Boolean saveAnimate = appData.animate;
5450 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5451 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5452 } else storedGames--; // abandon shelved tail of original game
5455 forwardMostMove = currentMove;
5456 currentMove = oldFMM;
5457 appData.animate = FALSE;
5458 ToNrEvent(forwardMostMove);
5459 appData.animate = saveAnimate;
5461 currentMove = forwardMostMove;
5462 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5463 ClearPremoveHighlights();
5464 DrawPosition(TRUE, boards[currentMove]);
5468 MovePV(int x, int y, int h)
5469 { // step through PV based on mouse coordinates (called on mouse move)
5470 int margin = h>>3, step = 0;
5472 // we must somehow check if right button is still down (might be released off board!)
5473 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5474 if(abs(x - lastX) < 7 && abs(y - lastY) < 7) return;
5475 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5477 lastX = x; lastY = y;
5479 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5480 if(endPV < 0) return;
5481 if(y < margin) step = 1; else
5482 if(y > h - margin) step = -1;
5483 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5484 currentMove += step;
5485 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5486 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5487 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5488 DrawPosition(FALSE, boards[currentMove]);
5492 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5493 // All positions will have equal probability, but the current method will not provide a unique
5494 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5500 int piecesLeft[(int)BlackPawn];
5501 int seed, nrOfShuffles;
5503 void GetPositionNumber()
5504 { // sets global variable seed
5507 seed = appData.defaultFrcPosition;
5508 if(seed < 0) { // randomize based on time for negative FRC position numbers
5509 for(i=0; i<50; i++) seed += random();
5510 seed = random() ^ random() >> 8 ^ random() << 8;
5511 if(seed<0) seed = -seed;
5515 int put(Board board, int pieceType, int rank, int n, int shade)
5516 // put the piece on the (n-1)-th empty squares of the given shade
5520 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5521 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5522 board[rank][i] = (ChessSquare) pieceType;
5523 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5525 piecesLeft[pieceType]--;
5533 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5534 // calculate where the next piece goes, (any empty square), and put it there
5538 i = seed % squaresLeft[shade];
5539 nrOfShuffles *= squaresLeft[shade];
5540 seed /= squaresLeft[shade];
5541 put(board, pieceType, rank, i, shade);
5544 void AddTwoPieces(Board board, int pieceType, int rank)
5545 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5547 int i, n=squaresLeft[ANY], j=n-1, k;
5549 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5550 i = seed % k; // pick one
5553 while(i >= j) i -= j--;
5554 j = n - 1 - j; i += j;
5555 put(board, pieceType, rank, j, ANY);
5556 put(board, pieceType, rank, i, ANY);
5559 void SetUpShuffle(Board board, int number)
5563 GetPositionNumber(); nrOfShuffles = 1;
5565 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5566 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5567 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5569 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5571 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5572 p = (int) board[0][i];
5573 if(p < (int) BlackPawn) piecesLeft[p] ++;
5574 board[0][i] = EmptySquare;
5577 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5578 // shuffles restricted to allow normal castling put KRR first
5579 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5580 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5581 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5582 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5583 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5584 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5585 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5586 put(board, WhiteRook, 0, 0, ANY);
5587 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5590 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5591 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5592 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5593 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5594 while(piecesLeft[p] >= 2) {
5595 AddOnePiece(board, p, 0, LITE);
5596 AddOnePiece(board, p, 0, DARK);
5598 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5601 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5602 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5603 // but we leave King and Rooks for last, to possibly obey FRC restriction
5604 if(p == (int)WhiteRook) continue;
5605 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5606 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5609 // now everything is placed, except perhaps King (Unicorn) and Rooks
5611 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5612 // Last King gets castling rights
5613 while(piecesLeft[(int)WhiteUnicorn]) {
5614 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5615 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5618 while(piecesLeft[(int)WhiteKing]) {
5619 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5620 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5625 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5626 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5629 // Only Rooks can be left; simply place them all
5630 while(piecesLeft[(int)WhiteRook]) {
5631 i = put(board, WhiteRook, 0, 0, ANY);
5632 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5635 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5637 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5640 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5641 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5644 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5647 int SetCharTable( char *table, const char * map )
5648 /* [HGM] moved here from winboard.c because of its general usefulness */
5649 /* Basically a safe strcpy that uses the last character as King */
5651 int result = FALSE; int NrPieces;
5653 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5654 && NrPieces >= 12 && !(NrPieces&1)) {
5655 int i; /* [HGM] Accept even length from 12 to 34 */
5657 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5658 for( i=0; i<NrPieces/2-1; i++ ) {
5660 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5662 table[(int) WhiteKing] = map[NrPieces/2-1];
5663 table[(int) BlackKing] = map[NrPieces-1];
5671 void Prelude(Board board)
5672 { // [HGM] superchess: random selection of exo-pieces
5673 int i, j, k; ChessSquare p;
5674 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5676 GetPositionNumber(); // use FRC position number
5678 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5679 SetCharTable(pieceToChar, appData.pieceToCharTable);
5680 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5681 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5684 j = seed%4; seed /= 4;
5685 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5686 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5687 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5688 j = seed%3 + (seed%3 >= j); seed /= 3;
5689 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5690 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5691 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5692 j = seed%3; seed /= 3;
5693 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5694 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5695 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5696 j = seed%2 + (seed%2 >= j); seed /= 2;
5697 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5698 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5699 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5700 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5701 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5702 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5703 put(board, exoPieces[0], 0, 0, ANY);
5704 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5708 InitPosition(redraw)
5711 ChessSquare (* pieces)[BOARD_FILES];
5712 int i, j, pawnRow, overrule,
5713 oldx = gameInfo.boardWidth,
5714 oldy = gameInfo.boardHeight,
5715 oldh = gameInfo.holdingsWidth;
5718 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5720 /* [AS] Initialize pv info list [HGM] and game status */
5722 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5723 pvInfoList[i].depth = 0;
5724 boards[i][EP_STATUS] = EP_NONE;
5725 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5728 initialRulePlies = 0; /* 50-move counter start */
5730 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5731 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5735 /* [HGM] logic here is completely changed. In stead of full positions */
5736 /* the initialized data only consist of the two backranks. The switch */
5737 /* selects which one we will use, which is than copied to the Board */
5738 /* initialPosition, which for the rest is initialized by Pawns and */
5739 /* empty squares. This initial position is then copied to boards[0], */
5740 /* possibly after shuffling, so that it remains available. */
5742 gameInfo.holdingsWidth = 0; /* default board sizes */
5743 gameInfo.boardWidth = 8;
5744 gameInfo.boardHeight = 8;
5745 gameInfo.holdingsSize = 0;
5746 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5747 for(i=0; i<BOARD_FILES-2; i++)
5748 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5749 initialPosition[EP_STATUS] = EP_NONE;
5750 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5751 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5752 SetCharTable(pieceNickName, appData.pieceNickNames);
5753 else SetCharTable(pieceNickName, "............");
5756 switch (gameInfo.variant) {
5757 case VariantFischeRandom:
5758 shuffleOpenings = TRUE;
5761 case VariantShatranj:
5762 pieces = ShatranjArray;
5763 nrCastlingRights = 0;
5764 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5767 pieces = makrukArray;
5768 nrCastlingRights = 0;
5769 startedFromSetupPosition = TRUE;
5770 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5772 case VariantTwoKings:
5773 pieces = twoKingsArray;
5776 pieces = GrandArray;
5777 nrCastlingRights = 0;
5778 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5779 gameInfo.boardWidth = 10;
5780 gameInfo.boardHeight = 10;
5781 gameInfo.holdingsSize = 7;
5783 case VariantCapaRandom:
5784 shuffleOpenings = TRUE;
5785 case VariantCapablanca:
5786 pieces = CapablancaArray;
5787 gameInfo.boardWidth = 10;
5788 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5791 pieces = GothicArray;
5792 gameInfo.boardWidth = 10;
5793 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5796 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5797 gameInfo.holdingsSize = 7;
5800 pieces = JanusArray;
5801 gameInfo.boardWidth = 10;
5802 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5803 nrCastlingRights = 6;
5804 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5805 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5806 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5807 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5808 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5809 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5812 pieces = FalconArray;
5813 gameInfo.boardWidth = 10;
5814 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5816 case VariantXiangqi:
5817 pieces = XiangqiArray;
5818 gameInfo.boardWidth = 9;
5819 gameInfo.boardHeight = 10;
5820 nrCastlingRights = 0;
5821 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5824 pieces = ShogiArray;
5825 gameInfo.boardWidth = 9;
5826 gameInfo.boardHeight = 9;
5827 gameInfo.holdingsSize = 7;
5828 nrCastlingRights = 0;
5829 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5831 case VariantCourier:
5832 pieces = CourierArray;
5833 gameInfo.boardWidth = 12;
5834 nrCastlingRights = 0;
5835 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5837 case VariantKnightmate:
5838 pieces = KnightmateArray;
5839 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5841 case VariantSpartan:
5842 pieces = SpartanArray;
5843 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5846 pieces = fairyArray;
5847 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5850 pieces = GreatArray;
5851 gameInfo.boardWidth = 10;
5852 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5853 gameInfo.holdingsSize = 8;
5857 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5858 gameInfo.holdingsSize = 8;
5859 startedFromSetupPosition = TRUE;
5861 case VariantCrazyhouse:
5862 case VariantBughouse:
5864 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5865 gameInfo.holdingsSize = 5;
5867 case VariantWildCastle:
5869 /* !!?shuffle with kings guaranteed to be on d or e file */
5870 shuffleOpenings = 1;
5872 case VariantNoCastle:
5874 nrCastlingRights = 0;
5875 /* !!?unconstrained back-rank shuffle */
5876 shuffleOpenings = 1;
5881 if(appData.NrFiles >= 0) {
5882 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5883 gameInfo.boardWidth = appData.NrFiles;
5885 if(appData.NrRanks >= 0) {
5886 gameInfo.boardHeight = appData.NrRanks;
5888 if(appData.holdingsSize >= 0) {
5889 i = appData.holdingsSize;
5890 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5891 gameInfo.holdingsSize = i;
5893 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5894 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5895 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5897 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5898 if(pawnRow < 1) pawnRow = 1;
5899 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5901 /* User pieceToChar list overrules defaults */
5902 if(appData.pieceToCharTable != NULL)
5903 SetCharTable(pieceToChar, appData.pieceToCharTable);
5905 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5907 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5908 s = (ChessSquare) 0; /* account holding counts in guard band */
5909 for( i=0; i<BOARD_HEIGHT; i++ )
5910 initialPosition[i][j] = s;
5912 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5913 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5914 initialPosition[pawnRow][j] = WhitePawn;
5915 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5916 if(gameInfo.variant == VariantXiangqi) {
5918 initialPosition[pawnRow][j] =
5919 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5920 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5921 initialPosition[2][j] = WhiteCannon;
5922 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5926 if(gameInfo.variant == VariantGrand) {
5927 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5928 initialPosition[0][j] = WhiteRook;
5929 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5932 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5934 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5937 initialPosition[1][j] = WhiteBishop;
5938 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5940 initialPosition[1][j] = WhiteRook;
5941 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5944 if( nrCastlingRights == -1) {
5945 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5946 /* This sets default castling rights from none to normal corners */
5947 /* Variants with other castling rights must set them themselves above */
5948 nrCastlingRights = 6;
5950 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5951 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5952 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5953 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5954 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5955 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5958 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5959 if(gameInfo.variant == VariantGreat) { // promotion commoners
5960 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5961 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5962 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5963 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5965 if( gameInfo.variant == VariantSChess ) {
5966 initialPosition[1][0] = BlackMarshall;
5967 initialPosition[2][0] = BlackAngel;
5968 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5969 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5970 initialPosition[1][1] = initialPosition[2][1] =
5971 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5973 if (appData.debugMode) {
5974 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5976 if(shuffleOpenings) {
5977 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5978 startedFromSetupPosition = TRUE;
5980 if(startedFromPositionFile) {
5981 /* [HGM] loadPos: use PositionFile for every new game */
5982 CopyBoard(initialPosition, filePosition);
5983 for(i=0; i<nrCastlingRights; i++)
5984 initialRights[i] = filePosition[CASTLING][i];
5985 startedFromSetupPosition = TRUE;
5988 CopyBoard(boards[0], initialPosition);
5990 if(oldx != gameInfo.boardWidth ||
5991 oldy != gameInfo.boardHeight ||
5992 oldv != gameInfo.variant ||
5993 oldh != gameInfo.holdingsWidth
5995 InitDrawingSizes(-2 ,0);
5997 oldv = gameInfo.variant;
5999 DrawPosition(TRUE, boards[currentMove]);
6003 SendBoard(cps, moveNum)
6004 ChessProgramState *cps;
6007 char message[MSG_SIZ];
6009 if (cps->useSetboard) {
6010 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6011 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6012 SendToProgram(message, cps);
6018 /* Kludge to set black to move, avoiding the troublesome and now
6019 * deprecated "black" command.
6021 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6022 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6024 SendToProgram("edit\n", cps);
6025 SendToProgram("#\n", cps);
6026 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6027 bp = &boards[moveNum][i][BOARD_LEFT];
6028 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6029 if ((int) *bp < (int) BlackPawn) {
6030 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
6032 if(message[0] == '+' || message[0] == '~') {
6033 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6034 PieceToChar((ChessSquare)(DEMOTED *bp)),
6037 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6038 message[1] = BOARD_RGHT - 1 - j + '1';
6039 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6041 SendToProgram(message, cps);
6046 SendToProgram("c\n", cps);
6047 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6048 bp = &boards[moveNum][i][BOARD_LEFT];
6049 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6050 if (((int) *bp != (int) EmptySquare)
6051 && ((int) *bp >= (int) BlackPawn)) {
6052 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6054 if(message[0] == '+' || message[0] == '~') {
6055 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6056 PieceToChar((ChessSquare)(DEMOTED *bp)),
6059 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6060 message[1] = BOARD_RGHT - 1 - j + '1';
6061 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6063 SendToProgram(message, cps);
6068 SendToProgram(".\n", cps);
6070 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6074 DefaultPromoChoice(int white)
6077 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6078 result = WhiteFerz; // no choice
6079 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6080 result= WhiteKing; // in Suicide Q is the last thing we want
6081 else if(gameInfo.variant == VariantSpartan)
6082 result = white ? WhiteQueen : WhiteAngel;
6083 else result = WhiteQueen;
6084 if(!white) result = WHITE_TO_BLACK result;
6088 static int autoQueen; // [HGM] oneclick
6091 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6093 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6094 /* [HGM] add Shogi promotions */
6095 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6100 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6101 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6103 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6104 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6107 piece = boards[currentMove][fromY][fromX];
6108 if(gameInfo.variant == VariantShogi) {
6109 promotionZoneSize = BOARD_HEIGHT/3;
6110 highestPromotingPiece = (int)WhiteFerz;
6111 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6112 promotionZoneSize = 3;
6115 // Treat Lance as Pawn when it is not representing Amazon
6116 if(gameInfo.variant != VariantSuper) {
6117 if(piece == WhiteLance) piece = WhitePawn; else
6118 if(piece == BlackLance) piece = BlackPawn;
6121 // next weed out all moves that do not touch the promotion zone at all
6122 if((int)piece >= BlackPawn) {
6123 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6125 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6127 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6128 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6131 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6133 // weed out mandatory Shogi promotions
6134 if(gameInfo.variant == VariantShogi) {
6135 if(piece >= BlackPawn) {
6136 if(toY == 0 && piece == BlackPawn ||
6137 toY == 0 && piece == BlackQueen ||
6138 toY <= 1 && piece == BlackKnight) {
6143 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6144 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6145 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6152 // weed out obviously illegal Pawn moves
6153 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6154 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6155 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6156 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6157 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6158 // note we are not allowed to test for valid (non-)capture, due to premove
6161 // we either have a choice what to promote to, or (in Shogi) whether to promote
6162 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6163 *promoChoice = PieceToChar(BlackFerz); // no choice
6166 // no sense asking what we must promote to if it is going to explode...
6167 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6168 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6171 // give caller the default choice even if we will not make it
6172 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6173 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6174 if( sweepSelect && gameInfo.variant != VariantGreat
6175 && gameInfo.variant != VariantGrand
6176 && gameInfo.variant != VariantSuper) return FALSE;
6177 if(autoQueen) return FALSE; // predetermined
6179 // suppress promotion popup on illegal moves that are not premoves
6180 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6181 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6182 if(appData.testLegality && !premove) {
6183 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6184 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6185 if(moveType != WhitePromotion && moveType != BlackPromotion)
6193 InPalace(row, column)
6195 { /* [HGM] for Xiangqi */
6196 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6197 column < (BOARD_WIDTH + 4)/2 &&
6198 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6203 PieceForSquare (x, y)
6207 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6210 return boards[currentMove][y][x];
6214 OKToStartUserMove(x, y)
6217 ChessSquare from_piece;
6220 if (matchMode) return FALSE;
6221 if (gameMode == EditPosition) return TRUE;
6223 if (x >= 0 && y >= 0)
6224 from_piece = boards[currentMove][y][x];
6226 from_piece = EmptySquare;
6228 if (from_piece == EmptySquare) return FALSE;
6230 white_piece = (int)from_piece >= (int)WhitePawn &&
6231 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6235 case TwoMachinesPlay:
6243 case MachinePlaysWhite:
6244 case IcsPlayingBlack:
6245 if (appData.zippyPlay) return FALSE;
6247 DisplayMoveError(_("You are playing Black"));
6252 case MachinePlaysBlack:
6253 case IcsPlayingWhite:
6254 if (appData.zippyPlay) return FALSE;
6256 DisplayMoveError(_("You are playing White"));
6261 case PlayFromGameFile:
6262 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6264 if (!white_piece && WhiteOnMove(currentMove)) {
6265 DisplayMoveError(_("It is White's turn"));
6268 if (white_piece && !WhiteOnMove(currentMove)) {
6269 DisplayMoveError(_("It is Black's turn"));
6272 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6273 /* Editing correspondence game history */
6274 /* Could disallow this or prompt for confirmation */
6279 case BeginningOfGame:
6280 if (appData.icsActive) return FALSE;
6281 if (!appData.noChessProgram) {
6283 DisplayMoveError(_("You are playing White"));
6290 if (!white_piece && WhiteOnMove(currentMove)) {
6291 DisplayMoveError(_("It is White's turn"));
6294 if (white_piece && !WhiteOnMove(currentMove)) {
6295 DisplayMoveError(_("It is Black's turn"));
6304 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6305 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6306 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6307 && gameMode != AnalyzeFile && gameMode != Training) {
6308 DisplayMoveError(_("Displayed position is not current"));
6315 OnlyMove(int *x, int *y, Boolean captures) {
6316 DisambiguateClosure cl;
6317 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6319 case MachinePlaysBlack:
6320 case IcsPlayingWhite:
6321 case BeginningOfGame:
6322 if(!WhiteOnMove(currentMove)) return FALSE;
6324 case MachinePlaysWhite:
6325 case IcsPlayingBlack:
6326 if(WhiteOnMove(currentMove)) return FALSE;
6333 cl.pieceIn = EmptySquare;
6338 cl.promoCharIn = NULLCHAR;
6339 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6340 if( cl.kind == NormalMove ||
6341 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6342 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6343 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6350 if(cl.kind != ImpossibleMove) return FALSE;
6351 cl.pieceIn = EmptySquare;
6356 cl.promoCharIn = NULLCHAR;
6357 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6358 if( cl.kind == NormalMove ||
6359 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6360 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6361 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6366 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6372 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6373 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6374 int lastLoadGameUseList = FALSE;
6375 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6376 ChessMove lastLoadGameStart = EndOfFile;
6379 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6380 int fromX, fromY, toX, toY;
6384 ChessSquare pdown, pup;
6386 /* Check if the user is playing in turn. This is complicated because we
6387 let the user "pick up" a piece before it is his turn. So the piece he
6388 tried to pick up may have been captured by the time he puts it down!
6389 Therefore we use the color the user is supposed to be playing in this
6390 test, not the color of the piece that is currently on the starting
6391 square---except in EditGame mode, where the user is playing both
6392 sides; fortunately there the capture race can't happen. (It can
6393 now happen in IcsExamining mode, but that's just too bad. The user
6394 will get a somewhat confusing message in that case.)
6399 case TwoMachinesPlay:
6403 /* We switched into a game mode where moves are not accepted,
6404 perhaps while the mouse button was down. */
6407 case MachinePlaysWhite:
6408 /* User is moving for Black */
6409 if (WhiteOnMove(currentMove)) {
6410 DisplayMoveError(_("It is White's turn"));
6415 case MachinePlaysBlack:
6416 /* User is moving for White */
6417 if (!WhiteOnMove(currentMove)) {
6418 DisplayMoveError(_("It is Black's turn"));
6423 case PlayFromGameFile:
6424 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6427 case BeginningOfGame:
6430 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6431 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6432 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6433 /* User is moving for Black */
6434 if (WhiteOnMove(currentMove)) {
6435 DisplayMoveError(_("It is White's turn"));
6439 /* User is moving for White */
6440 if (!WhiteOnMove(currentMove)) {
6441 DisplayMoveError(_("It is Black's turn"));
6447 case IcsPlayingBlack:
6448 /* User is moving for Black */
6449 if (WhiteOnMove(currentMove)) {
6450 if (!appData.premove) {
6451 DisplayMoveError(_("It is White's turn"));
6452 } else if (toX >= 0 && toY >= 0) {
6455 premoveFromX = fromX;
6456 premoveFromY = fromY;
6457 premovePromoChar = promoChar;
6459 if (appData.debugMode)
6460 fprintf(debugFP, "Got premove: fromX %d,"
6461 "fromY %d, toX %d, toY %d\n",
6462 fromX, fromY, toX, toY);
6468 case IcsPlayingWhite:
6469 /* User is moving for White */
6470 if (!WhiteOnMove(currentMove)) {
6471 if (!appData.premove) {
6472 DisplayMoveError(_("It is Black's turn"));
6473 } else if (toX >= 0 && toY >= 0) {
6476 premoveFromX = fromX;
6477 premoveFromY = fromY;
6478 premovePromoChar = promoChar;
6480 if (appData.debugMode)
6481 fprintf(debugFP, "Got premove: fromX %d,"
6482 "fromY %d, toX %d, toY %d\n",
6483 fromX, fromY, toX, toY);
6493 /* EditPosition, empty square, or different color piece;
6494 click-click move is possible */
6495 if (toX == -2 || toY == -2) {
6496 boards[0][fromY][fromX] = EmptySquare;
6497 DrawPosition(FALSE, boards[currentMove]);
6499 } else if (toX >= 0 && toY >= 0) {
6500 boards[0][toY][toX] = boards[0][fromY][fromX];
6501 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6502 if(boards[0][fromY][0] != EmptySquare) {
6503 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6504 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6507 if(fromX == BOARD_RGHT+1) {
6508 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6509 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6510 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6513 boards[0][fromY][fromX] = EmptySquare;
6514 DrawPosition(FALSE, boards[currentMove]);
6520 if(toX < 0 || toY < 0) return;
6521 pdown = boards[currentMove][fromY][fromX];
6522 pup = boards[currentMove][toY][toX];
6524 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6525 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6526 if( pup != EmptySquare ) return;
6527 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6528 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6529 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6530 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6531 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6532 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6533 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6537 /* [HGM] always test for legality, to get promotion info */
6538 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6539 fromY, fromX, toY, toX, promoChar);
6541 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6543 /* [HGM] but possibly ignore an IllegalMove result */
6544 if (appData.testLegality) {
6545 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6546 DisplayMoveError(_("Illegal move"));
6551 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6554 /* Common tail of UserMoveEvent and DropMenuEvent */
6556 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6558 int fromX, fromY, toX, toY;
6559 /*char*/int promoChar;
6563 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6564 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6565 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6566 if(WhiteOnMove(currentMove)) {
6567 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6569 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6573 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6574 move type in caller when we know the move is a legal promotion */
6575 if(moveType == NormalMove && promoChar)
6576 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6578 /* [HGM] <popupFix> The following if has been moved here from
6579 UserMoveEvent(). Because it seemed to belong here (why not allow
6580 piece drops in training games?), and because it can only be
6581 performed after it is known to what we promote. */
6582 if (gameMode == Training) {
6583 /* compare the move played on the board to the next move in the
6584 * game. If they match, display the move and the opponent's response.
6585 * If they don't match, display an error message.
6589 CopyBoard(testBoard, boards[currentMove]);
6590 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6592 if (CompareBoards(testBoard, boards[currentMove+1])) {
6593 ForwardInner(currentMove+1);
6595 /* Autoplay the opponent's response.
6596 * if appData.animate was TRUE when Training mode was entered,
6597 * the response will be animated.
6599 saveAnimate = appData.animate;
6600 appData.animate = animateTraining;
6601 ForwardInner(currentMove+1);
6602 appData.animate = saveAnimate;
6604 /* check for the end of the game */
6605 if (currentMove >= forwardMostMove) {
6606 gameMode = PlayFromGameFile;
6608 SetTrainingModeOff();
6609 DisplayInformation(_("End of game"));
6612 DisplayError(_("Incorrect move"), 0);
6617 /* Ok, now we know that the move is good, so we can kill
6618 the previous line in Analysis Mode */
6619 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6620 && currentMove < forwardMostMove) {
6621 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6622 else forwardMostMove = currentMove;
6625 /* If we need the chess program but it's dead, restart it */
6626 ResurrectChessProgram();
6628 /* A user move restarts a paused game*/
6632 thinkOutput[0] = NULLCHAR;
6634 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6636 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6637 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6641 if (gameMode == BeginningOfGame) {
6642 if (appData.noChessProgram) {
6643 gameMode = EditGame;
6647 gameMode = MachinePlaysBlack;
6650 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6652 if (first.sendName) {
6653 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6654 SendToProgram(buf, &first);
6661 /* Relay move to ICS or chess engine */
6662 if (appData.icsActive) {
6663 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6664 gameMode == IcsExamining) {
6665 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6666 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6668 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6670 // also send plain move, in case ICS does not understand atomic claims
6671 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6675 if (first.sendTime && (gameMode == BeginningOfGame ||
6676 gameMode == MachinePlaysWhite ||
6677 gameMode == MachinePlaysBlack)) {
6678 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6680 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6681 // [HGM] book: if program might be playing, let it use book
6682 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6683 first.maybeThinking = TRUE;
6684 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6685 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6686 SendBoard(&first, currentMove+1);
6687 } else SendMoveToProgram(forwardMostMove-1, &first);
6688 if (currentMove == cmailOldMove + 1) {
6689 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6693 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6697 if(appData.testLegality)
6698 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6704 if (WhiteOnMove(currentMove)) {
6705 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6707 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6711 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6716 case MachinePlaysBlack:
6717 case MachinePlaysWhite:
6718 /* disable certain menu options while machine is thinking */
6719 SetMachineThinkingEnables();
6726 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6727 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6729 if(bookHit) { // [HGM] book: simulate book reply
6730 static char bookMove[MSG_SIZ]; // a bit generous?
6732 programStats.nodes = programStats.depth = programStats.time =
6733 programStats.score = programStats.got_only_move = 0;
6734 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6736 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6737 strcat(bookMove, bookHit);
6738 HandleMachineMove(bookMove, &first);
6744 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6751 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6752 Markers *m = (Markers *) closure;
6753 if(rf == fromY && ff == fromX)
6754 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6755 || kind == WhiteCapturesEnPassant
6756 || kind == BlackCapturesEnPassant);
6757 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6761 MarkTargetSquares(int clear)
6764 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6765 !appData.testLegality || gameMode == EditPosition) return;
6767 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6770 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6771 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6772 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6774 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6777 DrawPosition(TRUE, NULL);
6781 Explode(Board board, int fromX, int fromY, int toX, int toY)
6783 if(gameInfo.variant == VariantAtomic &&
6784 (board[toY][toX] != EmptySquare || // capture?
6785 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6786 board[fromY][fromX] == BlackPawn )
6788 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6794 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6796 int CanPromote(ChessSquare piece, int y)
6798 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6799 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6800 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6801 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6802 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6803 gameInfo.variant == VariantMakruk) return FALSE;
6804 return (piece == BlackPawn && y == 1 ||
6805 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6806 piece == BlackLance && y == 1 ||
6807 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6810 void LeftClick(ClickType clickType, int xPix, int yPix)
6813 Boolean saveAnimate;
6814 static int second = 0, promotionChoice = 0, clearFlag = 0;
6815 char promoChoice = NULLCHAR;
6818 if(appData.seekGraph && appData.icsActive && loggedOn &&
6819 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6820 SeekGraphClick(clickType, xPix, yPix, 0);
6824 if (clickType == Press) ErrorPopDown();
6826 x = EventToSquare(xPix, BOARD_WIDTH);
6827 y = EventToSquare(yPix, BOARD_HEIGHT);
6828 if (!flipView && y >= 0) {
6829 y = BOARD_HEIGHT - 1 - y;
6831 if (flipView && x >= 0) {
6832 x = BOARD_WIDTH - 1 - x;
6835 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6836 defaultPromoChoice = promoSweep;
6837 promoSweep = EmptySquare; // terminate sweep
6838 promoDefaultAltered = TRUE;
6839 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6842 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6843 if(clickType == Release) return; // ignore upclick of click-click destination
6844 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6845 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6846 if(gameInfo.holdingsWidth &&
6847 (WhiteOnMove(currentMove)
6848 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6849 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6850 // click in right holdings, for determining promotion piece
6851 ChessSquare p = boards[currentMove][y][x];
6852 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6853 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6854 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6855 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6860 DrawPosition(FALSE, boards[currentMove]);
6864 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6865 if(clickType == Press
6866 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6867 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6868 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6871 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6872 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6874 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6875 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6876 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6877 defaultPromoChoice = DefaultPromoChoice(side);
6880 autoQueen = appData.alwaysPromoteToQueen;
6884 gatingPiece = EmptySquare;
6885 if (clickType != Press) {
6886 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6887 DragPieceEnd(xPix, yPix); dragging = 0;
6888 DrawPosition(FALSE, NULL);
6892 fromX = x; fromY = y; toX = toY = -1;
6893 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6894 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6895 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6897 if (OKToStartUserMove(fromX, fromY)) {
6899 MarkTargetSquares(0);
6900 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6901 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6902 promoSweep = defaultPromoChoice;
6903 selectFlag = 0; lastX = xPix; lastY = yPix;
6904 Sweep(0); // Pawn that is going to promote: preview promotion piece
6905 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6907 if (appData.highlightDragging) {
6908 SetHighlights(fromX, fromY, -1, -1);
6910 } else fromX = fromY = -1;
6916 if (clickType == Press && gameMode != EditPosition) {
6921 // ignore off-board to clicks
6922 if(y < 0 || x < 0) return;
6924 /* Check if clicking again on the same color piece */
6925 fromP = boards[currentMove][fromY][fromX];
6926 toP = boards[currentMove][y][x];
6927 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6928 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6929 WhitePawn <= toP && toP <= WhiteKing &&
6930 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6931 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6932 (BlackPawn <= fromP && fromP <= BlackKing &&
6933 BlackPawn <= toP && toP <= BlackKing &&
6934 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6935 !(fromP == BlackKing && toP == BlackRook && frc))) {
6936 /* Clicked again on same color piece -- changed his mind */
6937 second = (x == fromX && y == fromY);
6938 promoDefaultAltered = FALSE;
6939 MarkTargetSquares(1);
6940 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6941 if (appData.highlightDragging) {
6942 SetHighlights(x, y, -1, -1);
6946 if (OKToStartUserMove(x, y)) {
6947 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6948 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6949 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6950 gatingPiece = boards[currentMove][fromY][fromX];
6951 else gatingPiece = EmptySquare;
6953 fromY = y; dragging = 1;
6954 MarkTargetSquares(0);
6955 DragPieceBegin(xPix, yPix, FALSE);
6956 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6957 promoSweep = defaultPromoChoice;
6958 selectFlag = 0; lastX = xPix; lastY = yPix;
6959 Sweep(0); // Pawn that is going to promote: preview promotion piece
6963 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6966 // ignore clicks on holdings
6967 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6970 if (clickType == Release && x == fromX && y == fromY) {
6971 DragPieceEnd(xPix, yPix); dragging = 0;
6973 // a deferred attempt to click-click move an empty square on top of a piece
6974 boards[currentMove][y][x] = EmptySquare;
6976 DrawPosition(FALSE, boards[currentMove]);
6977 fromX = fromY = -1; clearFlag = 0;
6980 if (appData.animateDragging) {
6981 /* Undo animation damage if any */
6982 DrawPosition(FALSE, NULL);
6985 /* Second up/down in same square; just abort move */
6988 gatingPiece = EmptySquare;
6991 ClearPremoveHighlights();
6993 /* First upclick in same square; start click-click mode */
6994 SetHighlights(x, y, -1, -1);
7001 /* we now have a different from- and (possibly off-board) to-square */
7002 /* Completed move */
7005 saveAnimate = appData.animate;
7006 MarkTargetSquares(1);
7007 if (clickType == Press) {
7008 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7009 // must be Edit Position mode with empty-square selected
7010 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7011 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7014 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7015 ChessSquare piece = boards[currentMove][fromY][fromX];
7016 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7017 promoSweep = defaultPromoChoice;
7018 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7019 selectFlag = 0; lastX = xPix; lastY = yPix;
7020 Sweep(0); // Pawn that is going to promote: preview promotion piece
7021 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7022 DrawPosition(FALSE, boards[currentMove]);
7025 /* Finish clickclick move */
7026 if (appData.animate || appData.highlightLastMove) {
7027 SetHighlights(fromX, fromY, toX, toY);
7032 /* Finish drag move */
7033 if (appData.highlightLastMove) {
7034 SetHighlights(fromX, fromY, toX, toY);
7038 DragPieceEnd(xPix, yPix); dragging = 0;
7039 /* Don't animate move and drag both */
7040 appData.animate = FALSE;
7043 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7044 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7045 ChessSquare piece = boards[currentMove][fromY][fromX];
7046 if(gameMode == EditPosition && piece != EmptySquare &&
7047 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7050 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7051 n = PieceToNumber(piece - (int)BlackPawn);
7052 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7053 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7054 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7056 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7057 n = PieceToNumber(piece);
7058 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7059 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7060 boards[currentMove][n][BOARD_WIDTH-2]++;
7062 boards[currentMove][fromY][fromX] = EmptySquare;
7066 DrawPosition(TRUE, boards[currentMove]);
7070 // off-board moves should not be highlighted
7071 if(x < 0 || y < 0) ClearHighlights();
7073 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7075 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7076 SetHighlights(fromX, fromY, toX, toY);
7077 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7078 // [HGM] super: promotion to captured piece selected from holdings
7079 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7080 promotionChoice = TRUE;
7081 // kludge follows to temporarily execute move on display, without promoting yet
7082 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7083 boards[currentMove][toY][toX] = p;
7084 DrawPosition(FALSE, boards[currentMove]);
7085 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7086 boards[currentMove][toY][toX] = q;
7087 DisplayMessage("Click in holdings to choose piece", "");
7092 int oldMove = currentMove;
7093 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7094 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7095 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7096 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7097 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7098 DrawPosition(TRUE, boards[currentMove]);
7101 appData.animate = saveAnimate;
7102 if (appData.animate || appData.animateDragging) {
7103 /* Undo animation damage if needed */
7104 DrawPosition(FALSE, NULL);
7108 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7109 { // front-end-free part taken out of PieceMenuPopup
7110 int whichMenu; int xSqr, ySqr;
7112 if(seekGraphUp) { // [HGM] seekgraph
7113 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7114 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7118 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7119 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7120 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7121 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7122 if(action == Press) {
7123 originalFlip = flipView;
7124 flipView = !flipView; // temporarily flip board to see game from partners perspective
7125 DrawPosition(TRUE, partnerBoard);
7126 DisplayMessage(partnerStatus, "");
7128 } else if(action == Release) {
7129 flipView = originalFlip;
7130 DrawPosition(TRUE, boards[currentMove]);
7136 xSqr = EventToSquare(x, BOARD_WIDTH);
7137 ySqr = EventToSquare(y, BOARD_HEIGHT);
7138 if (action == Release) {
7139 if(pieceSweep != EmptySquare) {
7140 EditPositionMenuEvent(pieceSweep, toX, toY);
7141 pieceSweep = EmptySquare;
7142 } else UnLoadPV(); // [HGM] pv
7144 if (action != Press) return -2; // return code to be ignored
7147 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7149 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7150 if (xSqr < 0 || ySqr < 0) return -1;
7151 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7152 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7153 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7154 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7158 if(!appData.icsEngineAnalyze) return -1;
7159 case IcsPlayingWhite:
7160 case IcsPlayingBlack:
7161 if(!appData.zippyPlay) goto noZip;
7164 case MachinePlaysWhite:
7165 case MachinePlaysBlack:
7166 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7167 if (!appData.dropMenu) {
7169 return 2; // flag front-end to grab mouse events
7171 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7172 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7175 if (xSqr < 0 || ySqr < 0) return -1;
7176 if (!appData.dropMenu || appData.testLegality &&
7177 gameInfo.variant != VariantBughouse &&
7178 gameInfo.variant != VariantCrazyhouse) return -1;
7179 whichMenu = 1; // drop menu
7185 if (((*fromX = xSqr) < 0) ||
7186 ((*fromY = ySqr) < 0)) {
7187 *fromX = *fromY = -1;
7191 *fromX = BOARD_WIDTH - 1 - *fromX;
7193 *fromY = BOARD_HEIGHT - 1 - *fromY;
7198 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7200 // char * hint = lastHint;
7201 FrontEndProgramStats stats;
7203 stats.which = cps == &first ? 0 : 1;
7204 stats.depth = cpstats->depth;
7205 stats.nodes = cpstats->nodes;
7206 stats.score = cpstats->score;
7207 stats.time = cpstats->time;
7208 stats.pv = cpstats->movelist;
7209 stats.hint = lastHint;
7210 stats.an_move_index = 0;
7211 stats.an_move_count = 0;
7213 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7214 stats.hint = cpstats->move_name;
7215 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7216 stats.an_move_count = cpstats->nr_moves;
7219 if(stats.pv && stats.pv[0]) safeStrCpy(lastPV[stats.which], stats.pv, sizeof(lastPV[stats.which])/sizeof(lastPV[stats.which][0])); // [HGM] pv: remember last PV of each
7221 SetProgramStats( &stats );
7225 ClearEngineOutputPane(int which)
7227 static FrontEndProgramStats dummyStats;
7228 dummyStats.which = which;
7229 dummyStats.pv = "#";
7230 SetProgramStats( &dummyStats );
7233 #define MAXPLAYERS 500
7236 TourneyStandings(int display)
7238 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7239 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7240 char result, *p, *names[MAXPLAYERS];
7242 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7243 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7244 names[0] = p = strdup(appData.participants);
7245 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7247 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7249 while(result = appData.results[nr]) {
7250 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7251 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7252 wScore = bScore = 0;
7254 case '+': wScore = 2; break;
7255 case '-': bScore = 2; break;
7256 case '=': wScore = bScore = 1; break;
7258 case '*': return strdup("busy"); // tourney not finished
7266 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7267 for(w=0; w<nPlayers; w++) {
7269 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7270 ranking[w] = b; points[w] = bScore; score[b] = -2;
7272 p = malloc(nPlayers*34+1);
7273 for(w=0; w<nPlayers && w<display; w++)
7274 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7280 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7281 { // count all piece types
7283 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7284 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7285 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7288 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7289 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7290 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7291 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7292 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7293 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7298 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7300 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7301 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7303 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7304 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7305 if(myPawns == 2 && nMine == 3) // KPP
7306 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7307 if(myPawns == 1 && nMine == 2) // KP
7308 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7309 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7310 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7311 if(myPawns) return FALSE;
7312 if(pCnt[WhiteRook+side])
7313 return pCnt[BlackRook-side] ||
7314 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7315 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7316 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7317 if(pCnt[WhiteCannon+side]) {
7318 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7319 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7321 if(pCnt[WhiteKnight+side])
7322 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7327 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7329 VariantClass v = gameInfo.variant;
7331 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7332 if(v == VariantShatranj) return TRUE; // always winnable through baring
7333 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7334 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7336 if(v == VariantXiangqi) {
7337 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7339 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7340 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7341 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7342 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7343 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7344 if(stale) // we have at least one last-rank P plus perhaps C
7345 return majors // KPKX
7346 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7348 return pCnt[WhiteFerz+side] // KCAK
7349 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7350 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7351 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7353 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7354 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7356 if(nMine == 1) return FALSE; // bare King
7357 if(nBishops && bisColor == 3) return TRUE; // There must be a second B/A/F, which can either block (his) or attack (mine) the escape square
7358 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7359 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7360 // by now we have King + 1 piece (or multiple Bishops on the same color)
7361 if(pCnt[WhiteKnight+side])
7362 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7363 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7364 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7366 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7367 if(pCnt[WhiteAlfil+side])
7368 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7369 if(pCnt[WhiteWazir+side])
7370 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7377 CompareWithRights(Board b1, Board b2)
7380 if(!CompareBoards(b1, b2)) return FALSE;
7381 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7382 /* compare castling rights */
7383 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7384 rights++; /* King lost rights, while rook still had them */
7385 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7386 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7387 rights++; /* but at least one rook lost them */
7389 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7391 if( b1[CASTLING][5] != NoRights ) {
7392 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7399 Adjudicate(ChessProgramState *cps)
7400 { // [HGM] some adjudications useful with buggy engines
7401 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7402 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7403 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7404 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7405 int k, count = 0; static int bare = 1;
7406 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7407 Boolean canAdjudicate = !appData.icsActive;
7409 // most tests only when we understand the game, i.e. legality-checking on
7410 if( appData.testLegality )
7411 { /* [HGM] Some more adjudications for obstinate engines */
7412 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7413 static int moveCount = 6;
7415 char *reason = NULL;
7417 /* Count what is on board. */
7418 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7420 /* Some material-based adjudications that have to be made before stalemate test */
7421 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7422 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7423 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7424 if(canAdjudicate && appData.checkMates) {
7426 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7427 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7428 "Xboard adjudication: King destroyed", GE_XBOARD );
7433 /* Bare King in Shatranj (loses) or Losers (wins) */
7434 if( nrW == 1 || nrB == 1) {
7435 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7436 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7437 if(canAdjudicate && appData.checkMates) {
7439 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7440 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7441 "Xboard adjudication: Bare king", GE_XBOARD );
7445 if( gameInfo.variant == VariantShatranj && --bare < 0)
7447 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7448 if(canAdjudicate && appData.checkMates) {
7449 /* but only adjudicate if adjudication enabled */
7451 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7452 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7453 "Xboard adjudication: Bare king", GE_XBOARD );
7460 // don't wait for engine to announce game end if we can judge ourselves
7461 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7463 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7464 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7465 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7466 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7469 reason = "Xboard adjudication: 3rd check";
7470 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7480 reason = "Xboard adjudication: Stalemate";
7481 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7482 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7483 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7484 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7485 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7486 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7487 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7488 EP_CHECKMATE : EP_WINS);
7489 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7490 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7494 reason = "Xboard adjudication: Checkmate";
7495 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7499 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7501 result = GameIsDrawn; break;
7503 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7505 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7509 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7511 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7512 GameEnds( result, reason, GE_XBOARD );
7516 /* Next absolutely insufficient mating material. */
7517 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7518 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7519 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7521 /* always flag draws, for judging claims */
7522 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7524 if(canAdjudicate && appData.materialDraws) {
7525 /* but only adjudicate them if adjudication enabled */
7526 if(engineOpponent) {
7527 SendToProgram("force\n", engineOpponent); // suppress reply
7528 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7530 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7535 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7536 if(gameInfo.variant == VariantXiangqi ?
7537 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7539 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7540 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7541 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7542 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7544 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7545 { /* if the first 3 moves do not show a tactical win, declare draw */
7546 if(engineOpponent) {
7547 SendToProgram("force\n", engineOpponent); // suppress reply
7548 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7550 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7553 } else moveCount = 6;
7555 if (appData.debugMode) { int i;
7556 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7557 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7558 appData.drawRepeats);
7559 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7560 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7564 // Repetition draws and 50-move rule can be applied independently of legality testing
7566 /* Check for rep-draws */
7568 for(k = forwardMostMove-2;
7569 k>=backwardMostMove && k>=forwardMostMove-100 &&
7570 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7571 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7574 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7575 /* compare castling rights */
7576 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7577 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7578 rights++; /* King lost rights, while rook still had them */
7579 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7580 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7581 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7582 rights++; /* but at least one rook lost them */
7584 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7585 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7587 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7588 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7589 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7592 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7593 && appData.drawRepeats > 1) {
7594 /* adjudicate after user-specified nr of repeats */
7595 int result = GameIsDrawn;
7596 char *details = "XBoard adjudication: repetition draw";
7597 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7598 // [HGM] xiangqi: check for forbidden perpetuals
7599 int m, ourPerpetual = 1, hisPerpetual = 1;
7600 for(m=forwardMostMove; m>k; m-=2) {
7601 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7602 ourPerpetual = 0; // the current mover did not always check
7603 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7604 hisPerpetual = 0; // the opponent did not always check
7606 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7607 ourPerpetual, hisPerpetual);
7608 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7609 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7610 details = "Xboard adjudication: perpetual checking";
7612 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7613 break; // (or we would have caught him before). Abort repetition-checking loop.
7615 // Now check for perpetual chases
7616 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7617 hisPerpetual = PerpetualChase(k, forwardMostMove);
7618 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7619 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7620 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7621 details = "Xboard adjudication: perpetual chasing";
7623 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7624 break; // Abort repetition-checking loop.
7626 // if neither of us is checking or chasing all the time, or both are, it is draw
7628 if(engineOpponent) {
7629 SendToProgram("force\n", engineOpponent); // suppress reply
7630 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7632 GameEnds( result, details, GE_XBOARD );
7635 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7636 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7640 /* Now we test for 50-move draws. Determine ply count */
7641 count = forwardMostMove;
7642 /* look for last irreversble move */
7643 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7645 /* if we hit starting position, add initial plies */
7646 if( count == backwardMostMove )
7647 count -= initialRulePlies;
7648 count = forwardMostMove - count;
7649 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7650 // adjust reversible move counter for checks in Xiangqi
7651 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7652 if(i < backwardMostMove) i = backwardMostMove;
7653 while(i <= forwardMostMove) {
7654 lastCheck = inCheck; // check evasion does not count
7655 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7656 if(inCheck || lastCheck) count--; // check does not count
7661 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7662 /* this is used to judge if draw claims are legal */
7663 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7664 if(engineOpponent) {
7665 SendToProgram("force\n", engineOpponent); // suppress reply
7666 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7668 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7672 /* if draw offer is pending, treat it as a draw claim
7673 * when draw condition present, to allow engines a way to
7674 * claim draws before making their move to avoid a race
7675 * condition occurring after their move
7677 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7679 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7680 p = "Draw claim: 50-move rule";
7681 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7682 p = "Draw claim: 3-fold repetition";
7683 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7684 p = "Draw claim: insufficient mating material";
7685 if( p != NULL && canAdjudicate) {
7686 if(engineOpponent) {
7687 SendToProgram("force\n", engineOpponent); // suppress reply
7688 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7690 GameEnds( GameIsDrawn, p, GE_XBOARD );
7695 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7696 if(engineOpponent) {
7697 SendToProgram("force\n", engineOpponent); // suppress reply
7698 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7700 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7706 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7707 { // [HGM] book: this routine intercepts moves to simulate book replies
7708 char *bookHit = NULL;
7710 //first determine if the incoming move brings opponent into his book
7711 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7712 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7713 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7714 if(bookHit != NULL && !cps->bookSuspend) {
7715 // make sure opponent is not going to reply after receiving move to book position
7716 SendToProgram("force\n", cps);
7717 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7719 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7720 // now arrange restart after book miss
7722 // after a book hit we never send 'go', and the code after the call to this routine
7723 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7724 char buf[MSG_SIZ], *move = bookHit;
7726 int fromX, fromY, toX, toY;
7730 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7731 &fromX, &fromY, &toX, &toY, &promoChar)) {
7732 (void) CoordsToAlgebraic(boards[forwardMostMove],
7733 PosFlags(forwardMostMove),
7734 fromY, fromX, toY, toX, promoChar, move);
7736 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7740 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7741 SendToProgram(buf, cps);
7742 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7743 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7744 SendToProgram("go\n", cps);
7745 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7746 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7747 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7748 SendToProgram("go\n", cps);
7749 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7751 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7755 ChessProgramState *savedState;
7756 void DeferredBookMove(void)
7758 if(savedState->lastPing != savedState->lastPong)
7759 ScheduleDelayedEvent(DeferredBookMove, 10);
7761 HandleMachineMove(savedMessage, savedState);
7764 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7767 HandleMachineMove(message, cps)
7769 ChessProgramState *cps;
7771 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7772 char realname[MSG_SIZ];
7773 int fromX, fromY, toX, toY;
7780 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7781 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7782 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7783 DisplayError(_("Invalid pairing from pairing engine"), 0);
7786 pairingReceived = 1;
7788 return; // Skim the pairing messages here.
7793 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7795 * Kludge to ignore BEL characters
7797 while (*message == '\007') message++;
7800 * [HGM] engine debug message: ignore lines starting with '#' character
7802 if(cps->debug && *message == '#') return;
7805 * Look for book output
7807 if (cps == &first && bookRequested) {
7808 if (message[0] == '\t' || message[0] == ' ') {
7809 /* Part of the book output is here; append it */
7810 strcat(bookOutput, message);
7811 strcat(bookOutput, " \n");
7813 } else if (bookOutput[0] != NULLCHAR) {
7814 /* All of book output has arrived; display it */
7815 char *p = bookOutput;
7816 while (*p != NULLCHAR) {
7817 if (*p == '\t') *p = ' ';
7820 DisplayInformation(bookOutput);
7821 bookRequested = FALSE;
7822 /* Fall through to parse the current output */
7827 * Look for machine move.
7829 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7830 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7832 /* This method is only useful on engines that support ping */
7833 if (cps->lastPing != cps->lastPong) {
7834 if (gameMode == BeginningOfGame) {
7835 /* Extra move from before last new; ignore */
7836 if (appData.debugMode) {
7837 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7840 if (appData.debugMode) {
7841 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7842 cps->which, gameMode);
7845 SendToProgram("undo\n", cps);
7851 case BeginningOfGame:
7852 /* Extra move from before last reset; ignore */
7853 if (appData.debugMode) {
7854 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7861 /* Extra move after we tried to stop. The mode test is
7862 not a reliable way of detecting this problem, but it's
7863 the best we can do on engines that don't support ping.
7865 if (appData.debugMode) {
7866 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7867 cps->which, gameMode);
7869 SendToProgram("undo\n", cps);
7872 case MachinePlaysWhite:
7873 case IcsPlayingWhite:
7874 machineWhite = TRUE;
7877 case MachinePlaysBlack:
7878 case IcsPlayingBlack:
7879 machineWhite = FALSE;
7882 case TwoMachinesPlay:
7883 machineWhite = (cps->twoMachinesColor[0] == 'w');
7886 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7887 if (appData.debugMode) {
7889 "Ignoring move out of turn by %s, gameMode %d"
7890 ", forwardMost %d\n",
7891 cps->which, gameMode, forwardMostMove);
7896 if (appData.debugMode) { int f = forwardMostMove;
7897 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7898 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7899 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7901 if(cps->alphaRank) AlphaRank(machineMove, 4);
7902 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7903 &fromX, &fromY, &toX, &toY, &promoChar)) {
7904 /* Machine move could not be parsed; ignore it. */
7905 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7906 machineMove, _(cps->which));
7907 DisplayError(buf1, 0);
7908 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7909 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7910 if (gameMode == TwoMachinesPlay) {
7911 GameEnds(machineWhite ? BlackWins : WhiteWins,
7917 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7918 /* So we have to redo legality test with true e.p. status here, */
7919 /* to make sure an illegal e.p. capture does not slip through, */
7920 /* to cause a forfeit on a justified illegal-move complaint */
7921 /* of the opponent. */
7922 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7924 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7925 fromY, fromX, toY, toX, promoChar);
7926 if (appData.debugMode) {
7928 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7929 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7930 fprintf(debugFP, "castling rights\n");
7932 if(moveType == IllegalMove) {
7933 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7934 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7935 GameEnds(machineWhite ? BlackWins : WhiteWins,
7938 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7939 /* [HGM] Kludge to handle engines that send FRC-style castling
7940 when they shouldn't (like TSCP-Gothic) */
7942 case WhiteASideCastleFR:
7943 case BlackASideCastleFR:
7945 currentMoveString[2]++;
7947 case WhiteHSideCastleFR:
7948 case BlackHSideCastleFR:
7950 currentMoveString[2]--;
7952 default: ; // nothing to do, but suppresses warning of pedantic compilers
7955 hintRequested = FALSE;
7956 lastHint[0] = NULLCHAR;
7957 bookRequested = FALSE;
7958 /* Program may be pondering now */
7959 cps->maybeThinking = TRUE;
7960 if (cps->sendTime == 2) cps->sendTime = 1;
7961 if (cps->offeredDraw) cps->offeredDraw--;
7963 /* [AS] Save move info*/
7964 pvInfoList[ forwardMostMove ].score = programStats.score;
7965 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7966 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7968 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7970 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7971 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7974 while( count < adjudicateLossPlies ) {
7975 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7978 score = -score; /* Flip score for winning side */
7981 if( score > adjudicateLossThreshold ) {
7988 if( count >= adjudicateLossPlies ) {
7989 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7991 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7992 "Xboard adjudication",
7999 if(Adjudicate(cps)) {
8000 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8001 return; // [HGM] adjudicate: for all automatic game ends
8005 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8007 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8008 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8010 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8012 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8014 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8015 char buf[3*MSG_SIZ];
8017 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8018 programStats.score / 100.,
8020 programStats.time / 100.,
8021 (unsigned int)programStats.nodes,
8022 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8023 programStats.movelist);
8025 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8030 /* [AS] Clear stats for next move */
8031 ClearProgramStats();
8032 thinkOutput[0] = NULLCHAR;
8033 hiddenThinkOutputState = 0;
8036 if (gameMode == TwoMachinesPlay) {
8037 /* [HGM] relaying draw offers moved to after reception of move */
8038 /* and interpreting offer as claim if it brings draw condition */
8039 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8040 SendToProgram("draw\n", cps->other);
8042 if (cps->other->sendTime) {
8043 SendTimeRemaining(cps->other,
8044 cps->other->twoMachinesColor[0] == 'w');
8046 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8047 if (firstMove && !bookHit) {
8049 if (cps->other->useColors) {
8050 SendToProgram(cps->other->twoMachinesColor, cps->other);
8052 SendToProgram("go\n", cps->other);
8054 cps->other->maybeThinking = TRUE;
8057 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8059 if (!pausing && appData.ringBellAfterMoves) {
8064 * Reenable menu items that were disabled while
8065 * machine was thinking
8067 if (gameMode != TwoMachinesPlay)
8068 SetUserThinkingEnables();
8070 // [HGM] book: after book hit opponent has received move and is now in force mode
8071 // force the book reply into it, and then fake that it outputted this move by jumping
8072 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8074 static char bookMove[MSG_SIZ]; // a bit generous?
8076 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8077 strcat(bookMove, bookHit);
8080 programStats.nodes = programStats.depth = programStats.time =
8081 programStats.score = programStats.got_only_move = 0;
8082 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8084 if(cps->lastPing != cps->lastPong) {
8085 savedMessage = message; // args for deferred call
8087 ScheduleDelayedEvent(DeferredBookMove, 10);
8096 /* Set special modes for chess engines. Later something general
8097 * could be added here; for now there is just one kludge feature,
8098 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8099 * when "xboard" is given as an interactive command.
8101 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8102 cps->useSigint = FALSE;
8103 cps->useSigterm = FALSE;
8105 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8106 ParseFeatures(message+8, cps);
8107 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8110 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8111 int dummy, s=6; char buf[MSG_SIZ];
8112 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
8113 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8114 ParseFEN(boards[0], &dummy, message+s);
8115 DrawPosition(TRUE, boards[0]);
8116 startedFromSetupPosition = TRUE;
8119 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8120 * want this, I was asked to put it in, and obliged.
8122 if (!strncmp(message, "setboard ", 9)) {
8123 Board initial_position;
8125 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8127 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8128 DisplayError(_("Bad FEN received from engine"), 0);
8132 CopyBoard(boards[0], initial_position);
8133 initialRulePlies = FENrulePlies;
8134 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8135 else gameMode = MachinePlaysBlack;
8136 DrawPosition(FALSE, boards[currentMove]);
8142 * Look for communication commands
8144 if (!strncmp(message, "telluser ", 9)) {
8145 if(message[9] == '\\' && message[10] == '\\')
8146 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8148 DisplayNote(message + 9);
8151 if (!strncmp(message, "tellusererror ", 14)) {
8153 if(message[14] == '\\' && message[15] == '\\')
8154 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8156 DisplayError(message + 14, 0);
8159 if (!strncmp(message, "tellopponent ", 13)) {
8160 if (appData.icsActive) {
8162 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8166 DisplayNote(message + 13);
8170 if (!strncmp(message, "tellothers ", 11)) {
8171 if (appData.icsActive) {
8173 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8179 if (!strncmp(message, "tellall ", 8)) {
8180 if (appData.icsActive) {
8182 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8186 DisplayNote(message + 8);
8190 if (strncmp(message, "warning", 7) == 0) {
8191 /* Undocumented feature, use tellusererror in new code */
8192 DisplayError(message, 0);
8195 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8196 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8197 strcat(realname, " query");
8198 AskQuestion(realname, buf2, buf1, cps->pr);
8201 /* Commands from the engine directly to ICS. We don't allow these to be
8202 * sent until we are logged on. Crafty kibitzes have been known to
8203 * interfere with the login process.
8206 if (!strncmp(message, "tellics ", 8)) {
8207 SendToICS(message + 8);
8211 if (!strncmp(message, "tellicsnoalias ", 15)) {
8212 SendToICS(ics_prefix);
8213 SendToICS(message + 15);
8217 /* The following are for backward compatibility only */
8218 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8219 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8220 SendToICS(ics_prefix);
8226 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8230 * If the move is illegal, cancel it and redraw the board.
8231 * Also deal with other error cases. Matching is rather loose
8232 * here to accommodate engines written before the spec.
8234 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8235 strncmp(message, "Error", 5) == 0) {
8236 if (StrStr(message, "name") ||
8237 StrStr(message, "rating") || StrStr(message, "?") ||
8238 StrStr(message, "result") || StrStr(message, "board") ||
8239 StrStr(message, "bk") || StrStr(message, "computer") ||
8240 StrStr(message, "variant") || StrStr(message, "hint") ||
8241 StrStr(message, "random") || StrStr(message, "depth") ||
8242 StrStr(message, "accepted")) {
8245 if (StrStr(message, "protover")) {
8246 /* Program is responding to input, so it's apparently done
8247 initializing, and this error message indicates it is
8248 protocol version 1. So we don't need to wait any longer
8249 for it to initialize and send feature commands. */
8250 FeatureDone(cps, 1);
8251 cps->protocolVersion = 1;
8254 cps->maybeThinking = FALSE;
8256 if (StrStr(message, "draw")) {
8257 /* Program doesn't have "draw" command */
8258 cps->sendDrawOffers = 0;
8261 if (cps->sendTime != 1 &&
8262 (StrStr(message, "time") || StrStr(message, "otim"))) {
8263 /* Program apparently doesn't have "time" or "otim" command */
8267 if (StrStr(message, "analyze")) {
8268 cps->analysisSupport = FALSE;
8269 cps->analyzing = FALSE;
8271 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8272 DisplayError(buf2, 0);
8275 if (StrStr(message, "(no matching move)st")) {
8276 /* Special kludge for GNU Chess 4 only */
8277 cps->stKludge = TRUE;
8278 SendTimeControl(cps, movesPerSession, timeControl,
8279 timeIncrement, appData.searchDepth,
8283 if (StrStr(message, "(no matching move)sd")) {
8284 /* Special kludge for GNU Chess 4 only */
8285 cps->sdKludge = TRUE;
8286 SendTimeControl(cps, movesPerSession, timeControl,
8287 timeIncrement, appData.searchDepth,
8291 if (!StrStr(message, "llegal")) {
8294 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8295 gameMode == IcsIdle) return;
8296 if (forwardMostMove <= backwardMostMove) return;
8297 if (pausing) PauseEvent();
8298 if(appData.forceIllegal) {
8299 // [HGM] illegal: machine refused move; force position after move into it
8300 SendToProgram("force\n", cps);
8301 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8302 // we have a real problem now, as SendBoard will use the a2a3 kludge
8303 // when black is to move, while there might be nothing on a2 or black
8304 // might already have the move. So send the board as if white has the move.
8305 // But first we must change the stm of the engine, as it refused the last move
8306 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8307 if(WhiteOnMove(forwardMostMove)) {
8308 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8309 SendBoard(cps, forwardMostMove); // kludgeless board
8311 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8312 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8313 SendBoard(cps, forwardMostMove+1); // kludgeless board
8315 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8316 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8317 gameMode == TwoMachinesPlay)
8318 SendToProgram("go\n", cps);
8321 if (gameMode == PlayFromGameFile) {
8322 /* Stop reading this game file */
8323 gameMode = EditGame;
8326 /* [HGM] illegal-move claim should forfeit game when Xboard */
8327 /* only passes fully legal moves */
8328 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8329 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8330 "False illegal-move claim", GE_XBOARD );
8331 return; // do not take back move we tested as valid
8333 currentMove = forwardMostMove-1;
8334 DisplayMove(currentMove-1); /* before DisplayMoveError */
8335 SwitchClocks(forwardMostMove-1); // [HGM] race
8336 DisplayBothClocks();
8337 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8338 parseList[currentMove], _(cps->which));
8339 DisplayMoveError(buf1);
8340 DrawPosition(FALSE, boards[currentMove]);
8343 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8344 /* Program has a broken "time" command that
8345 outputs a string not ending in newline.
8351 * If chess program startup fails, exit with an error message.
8352 * Attempts to recover here are futile.
8354 if ((StrStr(message, "unknown host") != NULL)
8355 || (StrStr(message, "No remote directory") != NULL)
8356 || (StrStr(message, "not found") != NULL)
8357 || (StrStr(message, "No such file") != NULL)
8358 || (StrStr(message, "can't alloc") != NULL)
8359 || (StrStr(message, "Permission denied") != NULL)) {
8361 cps->maybeThinking = FALSE;
8362 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8363 _(cps->which), cps->program, cps->host, message);
8364 RemoveInputSource(cps->isr);
8365 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8366 if(cps == &first) appData.noChessProgram = TRUE;
8367 DisplayError(buf1, 0);
8373 * Look for hint output
8375 if (sscanf(message, "Hint: %s", buf1) == 1) {
8376 if (cps == &first && hintRequested) {
8377 hintRequested = FALSE;
8378 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8379 &fromX, &fromY, &toX, &toY, &promoChar)) {
8380 (void) CoordsToAlgebraic(boards[forwardMostMove],
8381 PosFlags(forwardMostMove),
8382 fromY, fromX, toY, toX, promoChar, buf1);
8383 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8384 DisplayInformation(buf2);
8386 /* Hint move could not be parsed!? */
8387 snprintf(buf2, sizeof(buf2),
8388 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8389 buf1, _(cps->which));
8390 DisplayError(buf2, 0);
8393 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8399 * Ignore other messages if game is not in progress
8401 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8402 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8405 * look for win, lose, draw, or draw offer
8407 if (strncmp(message, "1-0", 3) == 0) {
8408 char *p, *q, *r = "";
8409 p = strchr(message, '{');
8417 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8419 } else if (strncmp(message, "0-1", 3) == 0) {
8420 char *p, *q, *r = "";
8421 p = strchr(message, '{');
8429 /* Kludge for Arasan 4.1 bug */
8430 if (strcmp(r, "Black resigns") == 0) {
8431 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8434 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8436 } else if (strncmp(message, "1/2", 3) == 0) {
8437 char *p, *q, *r = "";
8438 p = strchr(message, '{');
8447 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8450 } else if (strncmp(message, "White resign", 12) == 0) {
8451 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8453 } else if (strncmp(message, "Black resign", 12) == 0) {
8454 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8456 } else if (strncmp(message, "White matches", 13) == 0 ||
8457 strncmp(message, "Black matches", 13) == 0 ) {
8458 /* [HGM] ignore GNUShogi noises */
8460 } else if (strncmp(message, "White", 5) == 0 &&
8461 message[5] != '(' &&
8462 StrStr(message, "Black") == NULL) {
8463 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8465 } else if (strncmp(message, "Black", 5) == 0 &&
8466 message[5] != '(') {
8467 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8469 } else if (strcmp(message, "resign") == 0 ||
8470 strcmp(message, "computer resigns") == 0) {
8472 case MachinePlaysBlack:
8473 case IcsPlayingBlack:
8474 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8476 case MachinePlaysWhite:
8477 case IcsPlayingWhite:
8478 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8480 case TwoMachinesPlay:
8481 if (cps->twoMachinesColor[0] == 'w')
8482 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8484 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8491 } else if (strncmp(message, "opponent mates", 14) == 0) {
8493 case MachinePlaysBlack:
8494 case IcsPlayingBlack:
8495 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8497 case MachinePlaysWhite:
8498 case IcsPlayingWhite:
8499 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8501 case TwoMachinesPlay:
8502 if (cps->twoMachinesColor[0] == 'w')
8503 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8505 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8512 } else if (strncmp(message, "computer mates", 14) == 0) {
8514 case MachinePlaysBlack:
8515 case IcsPlayingBlack:
8516 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8518 case MachinePlaysWhite:
8519 case IcsPlayingWhite:
8520 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8522 case TwoMachinesPlay:
8523 if (cps->twoMachinesColor[0] == 'w')
8524 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8526 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8533 } else if (strncmp(message, "checkmate", 9) == 0) {
8534 if (WhiteOnMove(forwardMostMove)) {
8535 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8537 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8540 } else if (strstr(message, "Draw") != NULL ||
8541 strstr(message, "game is a draw") != NULL) {
8542 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8544 } else if (strstr(message, "offer") != NULL &&
8545 strstr(message, "draw") != NULL) {
8547 if (appData.zippyPlay && first.initDone) {
8548 /* Relay offer to ICS */
8549 SendToICS(ics_prefix);
8550 SendToICS("draw\n");
8553 cps->offeredDraw = 2; /* valid until this engine moves twice */
8554 if (gameMode == TwoMachinesPlay) {
8555 if (cps->other->offeredDraw) {
8556 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8557 /* [HGM] in two-machine mode we delay relaying draw offer */
8558 /* until after we also have move, to see if it is really claim */
8560 } else if (gameMode == MachinePlaysWhite ||
8561 gameMode == MachinePlaysBlack) {
8562 if (userOfferedDraw) {
8563 DisplayInformation(_("Machine accepts your draw offer"));
8564 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8566 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8573 * Look for thinking output
8575 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8576 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8578 int plylev, mvleft, mvtot, curscore, time;
8579 char mvname[MOVE_LEN];
8583 int prefixHint = FALSE;
8584 mvname[0] = NULLCHAR;
8587 case MachinePlaysBlack:
8588 case IcsPlayingBlack:
8589 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8591 case MachinePlaysWhite:
8592 case IcsPlayingWhite:
8593 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8598 case IcsObserving: /* [DM] icsEngineAnalyze */
8599 if (!appData.icsEngineAnalyze) ignore = TRUE;
8601 case TwoMachinesPlay:
8602 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8612 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8614 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8615 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8617 if (plyext != ' ' && plyext != '\t') {
8621 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8622 if( cps->scoreIsAbsolute &&
8623 ( gameMode == MachinePlaysBlack ||
8624 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8625 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8626 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8627 !WhiteOnMove(currentMove)
8630 curscore = -curscore;
8633 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8635 tempStats.depth = plylev;
8636 tempStats.nodes = nodes;
8637 tempStats.time = time;
8638 tempStats.score = curscore;
8639 tempStats.got_only_move = 0;
8641 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8644 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8645 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8646 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8647 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8648 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8649 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8650 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8651 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8654 /* Buffer overflow protection */
8655 if (pv[0] != NULLCHAR) {
8656 if (strlen(pv) >= sizeof(tempStats.movelist)
8657 && appData.debugMode) {
8659 "PV is too long; using the first %u bytes.\n",
8660 (unsigned) sizeof(tempStats.movelist) - 1);
8663 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8665 sprintf(tempStats.movelist, " no PV\n");
8668 if (tempStats.seen_stat) {
8669 tempStats.ok_to_send = 1;
8672 if (strchr(tempStats.movelist, '(') != NULL) {
8673 tempStats.line_is_book = 1;
8674 tempStats.nr_moves = 0;
8675 tempStats.moves_left = 0;
8677 tempStats.line_is_book = 0;
8680 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8681 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8683 SendProgramStatsToFrontend( cps, &tempStats );
8686 [AS] Protect the thinkOutput buffer from overflow... this
8687 is only useful if buf1 hasn't overflowed first!
8689 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8691 (gameMode == TwoMachinesPlay ?
8692 ToUpper(cps->twoMachinesColor[0]) : ' '),
8693 ((double) curscore) / 100.0,
8694 prefixHint ? lastHint : "",
8695 prefixHint ? " " : "" );
8697 if( buf1[0] != NULLCHAR ) {
8698 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8700 if( strlen(pv) > max_len ) {
8701 if( appData.debugMode) {
8702 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8704 pv[max_len+1] = '\0';
8707 strcat( thinkOutput, pv);
8710 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8711 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8712 DisplayMove(currentMove - 1);
8716 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8717 /* crafty (9.25+) says "(only move) <move>"
8718 * if there is only 1 legal move
8720 sscanf(p, "(only move) %s", buf1);
8721 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8722 sprintf(programStats.movelist, "%s (only move)", buf1);
8723 programStats.depth = 1;
8724 programStats.nr_moves = 1;
8725 programStats.moves_left = 1;
8726 programStats.nodes = 1;
8727 programStats.time = 1;
8728 programStats.got_only_move = 1;
8730 /* Not really, but we also use this member to
8731 mean "line isn't going to change" (Crafty
8732 isn't searching, so stats won't change) */
8733 programStats.line_is_book = 1;
8735 SendProgramStatsToFrontend( cps, &programStats );
8737 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8738 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8739 DisplayMove(currentMove - 1);
8742 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8743 &time, &nodes, &plylev, &mvleft,
8744 &mvtot, mvname) >= 5) {
8745 /* The stat01: line is from Crafty (9.29+) in response
8746 to the "." command */
8747 programStats.seen_stat = 1;
8748 cps->maybeThinking = TRUE;
8750 if (programStats.got_only_move || !appData.periodicUpdates)
8753 programStats.depth = plylev;
8754 programStats.time = time;
8755 programStats.nodes = nodes;
8756 programStats.moves_left = mvleft;
8757 programStats.nr_moves = mvtot;
8758 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8759 programStats.ok_to_send = 1;
8760 programStats.movelist[0] = '\0';
8762 SendProgramStatsToFrontend( cps, &programStats );
8766 } else if (strncmp(message,"++",2) == 0) {
8767 /* Crafty 9.29+ outputs this */
8768 programStats.got_fail = 2;
8771 } else if (strncmp(message,"--",2) == 0) {
8772 /* Crafty 9.29+ outputs this */
8773 programStats.got_fail = 1;
8776 } else if (thinkOutput[0] != NULLCHAR &&
8777 strncmp(message, " ", 4) == 0) {
8778 unsigned message_len;
8781 while (*p && *p == ' ') p++;
8783 message_len = strlen( p );
8785 /* [AS] Avoid buffer overflow */
8786 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8787 strcat(thinkOutput, " ");
8788 strcat(thinkOutput, p);
8791 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8792 strcat(programStats.movelist, " ");
8793 strcat(programStats.movelist, p);
8796 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8797 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8798 DisplayMove(currentMove - 1);
8806 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8807 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8809 ChessProgramStats cpstats;
8811 if (plyext != ' ' && plyext != '\t') {
8815 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8816 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8817 curscore = -curscore;
8820 cpstats.depth = plylev;
8821 cpstats.nodes = nodes;
8822 cpstats.time = time;
8823 cpstats.score = curscore;
8824 cpstats.got_only_move = 0;
8825 cpstats.movelist[0] = '\0';
8827 if (buf1[0] != NULLCHAR) {
8828 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8831 cpstats.ok_to_send = 0;
8832 cpstats.line_is_book = 0;
8833 cpstats.nr_moves = 0;
8834 cpstats.moves_left = 0;
8836 SendProgramStatsToFrontend( cps, &cpstats );
8843 /* Parse a game score from the character string "game", and
8844 record it as the history of the current game. The game
8845 score is NOT assumed to start from the standard position.
8846 The display is not updated in any way.
8849 ParseGameHistory(game)
8853 int fromX, fromY, toX, toY, boardIndex;
8858 if (appData.debugMode)
8859 fprintf(debugFP, "Parsing game history: %s\n", game);
8861 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8862 gameInfo.site = StrSave(appData.icsHost);
8863 gameInfo.date = PGNDate();
8864 gameInfo.round = StrSave("-");
8866 /* Parse out names of players */
8867 while (*game == ' ') game++;
8869 while (*game != ' ') *p++ = *game++;
8871 gameInfo.white = StrSave(buf);
8872 while (*game == ' ') game++;
8874 while (*game != ' ' && *game != '\n') *p++ = *game++;
8876 gameInfo.black = StrSave(buf);
8879 boardIndex = blackPlaysFirst ? 1 : 0;
8882 yyboardindex = boardIndex;
8883 moveType = (ChessMove) Myylex();
8885 case IllegalMove: /* maybe suicide chess, etc. */
8886 if (appData.debugMode) {
8887 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8888 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8889 setbuf(debugFP, NULL);
8891 case WhitePromotion:
8892 case BlackPromotion:
8893 case WhiteNonPromotion:
8894 case BlackNonPromotion:
8896 case WhiteCapturesEnPassant:
8897 case BlackCapturesEnPassant:
8898 case WhiteKingSideCastle:
8899 case WhiteQueenSideCastle:
8900 case BlackKingSideCastle:
8901 case BlackQueenSideCastle:
8902 case WhiteKingSideCastleWild:
8903 case WhiteQueenSideCastleWild:
8904 case BlackKingSideCastleWild:
8905 case BlackQueenSideCastleWild:
8907 case WhiteHSideCastleFR:
8908 case WhiteASideCastleFR:
8909 case BlackHSideCastleFR:
8910 case BlackASideCastleFR:
8912 fromX = currentMoveString[0] - AAA;
8913 fromY = currentMoveString[1] - ONE;
8914 toX = currentMoveString[2] - AAA;
8915 toY = currentMoveString[3] - ONE;
8916 promoChar = currentMoveString[4];
8920 fromX = moveType == WhiteDrop ?
8921 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8922 (int) CharToPiece(ToLower(currentMoveString[0]));
8924 toX = currentMoveString[2] - AAA;
8925 toY = currentMoveString[3] - ONE;
8926 promoChar = NULLCHAR;
8930 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8931 if (appData.debugMode) {
8932 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8933 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8934 setbuf(debugFP, NULL);
8936 DisplayError(buf, 0);
8938 case ImpossibleMove:
8940 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8941 if (appData.debugMode) {
8942 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8943 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8944 setbuf(debugFP, NULL);
8946 DisplayError(buf, 0);
8949 if (boardIndex < backwardMostMove) {
8950 /* Oops, gap. How did that happen? */
8951 DisplayError(_("Gap in move list"), 0);
8954 backwardMostMove = blackPlaysFirst ? 1 : 0;
8955 if (boardIndex > forwardMostMove) {
8956 forwardMostMove = boardIndex;
8960 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8961 strcat(parseList[boardIndex-1], " ");
8962 strcat(parseList[boardIndex-1], yy_text);
8974 case GameUnfinished:
8975 if (gameMode == IcsExamining) {
8976 if (boardIndex < backwardMostMove) {
8977 /* Oops, gap. How did that happen? */
8980 backwardMostMove = blackPlaysFirst ? 1 : 0;
8983 gameInfo.result = moveType;
8984 p = strchr(yy_text, '{');
8985 if (p == NULL) p = strchr(yy_text, '(');
8988 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8990 q = strchr(p, *p == '{' ? '}' : ')');
8991 if (q != NULL) *q = NULLCHAR;
8994 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8995 gameInfo.resultDetails = StrSave(p);
8998 if (boardIndex >= forwardMostMove &&
8999 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9000 backwardMostMove = blackPlaysFirst ? 1 : 0;
9003 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9004 fromY, fromX, toY, toX, promoChar,
9005 parseList[boardIndex]);
9006 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9007 /* currentMoveString is set as a side-effect of yylex */
9008 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9009 strcat(moveList[boardIndex], "\n");
9011 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9012 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9018 if(gameInfo.variant != VariantShogi)
9019 strcat(parseList[boardIndex - 1], "+");
9023 strcat(parseList[boardIndex - 1], "#");
9030 /* Apply a move to the given board */
9032 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
9033 int fromX, fromY, toX, toY;
9037 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9038 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9040 /* [HGM] compute & store e.p. status and castling rights for new position */
9041 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9043 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9044 oldEP = (signed char)board[EP_STATUS];
9045 board[EP_STATUS] = EP_NONE;
9047 if (fromY == DROP_RANK) {
9049 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9050 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9053 piece = board[toY][toX] = (ChessSquare) fromX;
9057 if( board[toY][toX] != EmptySquare )
9058 board[EP_STATUS] = EP_CAPTURE;
9060 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9061 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9062 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9064 if( board[fromY][fromX] == WhitePawn ) {
9065 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9066 board[EP_STATUS] = EP_PAWN_MOVE;
9068 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9069 gameInfo.variant != VariantBerolina || toX < fromX)
9070 board[EP_STATUS] = toX | berolina;
9071 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9072 gameInfo.variant != VariantBerolina || toX > fromX)
9073 board[EP_STATUS] = toX;
9076 if( board[fromY][fromX] == BlackPawn ) {
9077 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9078 board[EP_STATUS] = EP_PAWN_MOVE;
9079 if( toY-fromY== -2) {
9080 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9081 gameInfo.variant != VariantBerolina || toX < fromX)
9082 board[EP_STATUS] = toX | berolina;
9083 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9084 gameInfo.variant != VariantBerolina || toX > fromX)
9085 board[EP_STATUS] = toX;
9089 for(i=0; i<nrCastlingRights; i++) {
9090 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9091 board[CASTLING][i] == toX && castlingRank[i] == toY
9092 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9095 if (fromX == toX && fromY == toY) return;
9097 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9098 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9099 if(gameInfo.variant == VariantKnightmate)
9100 king += (int) WhiteUnicorn - (int) WhiteKing;
9102 /* Code added by Tord: */
9103 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9104 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9105 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9106 board[fromY][fromX] = EmptySquare;
9107 board[toY][toX] = EmptySquare;
9108 if((toX > fromX) != (piece == WhiteRook)) {
9109 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9111 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9113 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9114 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9115 board[fromY][fromX] = EmptySquare;
9116 board[toY][toX] = EmptySquare;
9117 if((toX > fromX) != (piece == BlackRook)) {
9118 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9120 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9122 /* End of code added by Tord */
9124 } else if (board[fromY][fromX] == king
9125 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9126 && toY == fromY && toX > fromX+1) {
9127 board[fromY][fromX] = EmptySquare;
9128 board[toY][toX] = king;
9129 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9130 board[fromY][BOARD_RGHT-1] = EmptySquare;
9131 } else if (board[fromY][fromX] == king
9132 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9133 && toY == fromY && toX < fromX-1) {
9134 board[fromY][fromX] = EmptySquare;
9135 board[toY][toX] = king;
9136 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9137 board[fromY][BOARD_LEFT] = EmptySquare;
9138 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9139 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9140 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9142 /* white pawn promotion */
9143 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9144 if(gameInfo.variant==VariantBughouse ||
9145 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9146 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9147 board[fromY][fromX] = EmptySquare;
9148 } else if ((fromY >= BOARD_HEIGHT>>1)
9150 && gameInfo.variant != VariantXiangqi
9151 && gameInfo.variant != VariantBerolina
9152 && (board[fromY][fromX] == WhitePawn)
9153 && (board[toY][toX] == EmptySquare)) {
9154 board[fromY][fromX] = EmptySquare;
9155 board[toY][toX] = WhitePawn;
9156 captured = board[toY - 1][toX];
9157 board[toY - 1][toX] = EmptySquare;
9158 } else if ((fromY == BOARD_HEIGHT-4)
9160 && gameInfo.variant == VariantBerolina
9161 && (board[fromY][fromX] == WhitePawn)
9162 && (board[toY][toX] == EmptySquare)) {
9163 board[fromY][fromX] = EmptySquare;
9164 board[toY][toX] = WhitePawn;
9165 if(oldEP & EP_BEROLIN_A) {
9166 captured = board[fromY][fromX-1];
9167 board[fromY][fromX-1] = EmptySquare;
9168 }else{ captured = board[fromY][fromX+1];
9169 board[fromY][fromX+1] = EmptySquare;
9171 } else if (board[fromY][fromX] == king
9172 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9173 && toY == fromY && toX > fromX+1) {
9174 board[fromY][fromX] = EmptySquare;
9175 board[toY][toX] = king;
9176 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9177 board[fromY][BOARD_RGHT-1] = EmptySquare;
9178 } else if (board[fromY][fromX] == king
9179 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9180 && toY == fromY && toX < fromX-1) {
9181 board[fromY][fromX] = EmptySquare;
9182 board[toY][toX] = king;
9183 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9184 board[fromY][BOARD_LEFT] = EmptySquare;
9185 } else if (fromY == 7 && fromX == 3
9186 && board[fromY][fromX] == BlackKing
9187 && toY == 7 && toX == 5) {
9188 board[fromY][fromX] = EmptySquare;
9189 board[toY][toX] = BlackKing;
9190 board[fromY][7] = EmptySquare;
9191 board[toY][4] = BlackRook;
9192 } else if (fromY == 7 && fromX == 3
9193 && board[fromY][fromX] == BlackKing
9194 && toY == 7 && toX == 1) {
9195 board[fromY][fromX] = EmptySquare;
9196 board[toY][toX] = BlackKing;
9197 board[fromY][0] = EmptySquare;
9198 board[toY][2] = BlackRook;
9199 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9200 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9201 && toY < promoRank && promoChar
9203 /* black pawn promotion */
9204 board[toY][toX] = CharToPiece(ToLower(promoChar));
9205 if(gameInfo.variant==VariantBughouse ||
9206 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9207 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9208 board[fromY][fromX] = EmptySquare;
9209 } else if ((fromY < BOARD_HEIGHT>>1)
9211 && gameInfo.variant != VariantXiangqi
9212 && gameInfo.variant != VariantBerolina
9213 && (board[fromY][fromX] == BlackPawn)
9214 && (board[toY][toX] == EmptySquare)) {
9215 board[fromY][fromX] = EmptySquare;
9216 board[toY][toX] = BlackPawn;
9217 captured = board[toY + 1][toX];
9218 board[toY + 1][toX] = EmptySquare;
9219 } else if ((fromY == 3)
9221 && gameInfo.variant == VariantBerolina
9222 && (board[fromY][fromX] == BlackPawn)
9223 && (board[toY][toX] == EmptySquare)) {
9224 board[fromY][fromX] = EmptySquare;
9225 board[toY][toX] = BlackPawn;
9226 if(oldEP & EP_BEROLIN_A) {
9227 captured = board[fromY][fromX-1];
9228 board[fromY][fromX-1] = EmptySquare;
9229 }else{ captured = board[fromY][fromX+1];
9230 board[fromY][fromX+1] = EmptySquare;
9233 board[toY][toX] = board[fromY][fromX];
9234 board[fromY][fromX] = EmptySquare;
9238 if (gameInfo.holdingsWidth != 0) {
9240 /* !!A lot more code needs to be written to support holdings */
9241 /* [HGM] OK, so I have written it. Holdings are stored in the */
9242 /* penultimate board files, so they are automaticlly stored */
9243 /* in the game history. */
9244 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9245 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9246 /* Delete from holdings, by decreasing count */
9247 /* and erasing image if necessary */
9248 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9249 if(p < (int) BlackPawn) { /* white drop */
9250 p -= (int)WhitePawn;
9251 p = PieceToNumber((ChessSquare)p);
9252 if(p >= gameInfo.holdingsSize) p = 0;
9253 if(--board[p][BOARD_WIDTH-2] <= 0)
9254 board[p][BOARD_WIDTH-1] = EmptySquare;
9255 if((int)board[p][BOARD_WIDTH-2] < 0)
9256 board[p][BOARD_WIDTH-2] = 0;
9257 } else { /* black drop */
9258 p -= (int)BlackPawn;
9259 p = PieceToNumber((ChessSquare)p);
9260 if(p >= gameInfo.holdingsSize) p = 0;
9261 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9262 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9263 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9264 board[BOARD_HEIGHT-1-p][1] = 0;
9267 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9268 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9269 /* [HGM] holdings: Add to holdings, if holdings exist */
9270 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9271 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9272 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9275 if (p >= (int) BlackPawn) {
9276 p -= (int)BlackPawn;
9277 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9278 /* in Shogi restore piece to its original first */
9279 captured = (ChessSquare) (DEMOTED captured);
9282 p = PieceToNumber((ChessSquare)p);
9283 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9284 board[p][BOARD_WIDTH-2]++;
9285 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9287 p -= (int)WhitePawn;
9288 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9289 captured = (ChessSquare) (DEMOTED captured);
9292 p = PieceToNumber((ChessSquare)p);
9293 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9294 board[BOARD_HEIGHT-1-p][1]++;
9295 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9298 } else if (gameInfo.variant == VariantAtomic) {
9299 if (captured != EmptySquare) {
9301 for (y = toY-1; y <= toY+1; y++) {
9302 for (x = toX-1; x <= toX+1; x++) {
9303 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9304 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9305 board[y][x] = EmptySquare;
9309 board[toY][toX] = EmptySquare;
9312 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9313 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9315 if(promoChar == '+') {
9316 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9317 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9318 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9319 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9321 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9322 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9323 // [HGM] superchess: take promotion piece out of holdings
9324 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9325 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9326 if(!--board[k][BOARD_WIDTH-2])
9327 board[k][BOARD_WIDTH-1] = EmptySquare;
9329 if(!--board[BOARD_HEIGHT-1-k][1])
9330 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9336 /* Updates forwardMostMove */
9338 MakeMove(fromX, fromY, toX, toY, promoChar)
9339 int fromX, fromY, toX, toY;
9342 // forwardMostMove++; // [HGM] bare: moved downstream
9344 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9345 int timeLeft; static int lastLoadFlag=0; int king, piece;
9346 piece = boards[forwardMostMove][fromY][fromX];
9347 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9348 if(gameInfo.variant == VariantKnightmate)
9349 king += (int) WhiteUnicorn - (int) WhiteKing;
9350 if(forwardMostMove == 0) {
9352 fprintf(serverMoves, "%s;", second.tidy);
9353 fprintf(serverMoves, "%s;", first.tidy);
9354 if(!blackPlaysFirst)
9355 fprintf(serverMoves, "%s;", second.tidy);
9356 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9357 lastLoadFlag = loadFlag;
9359 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9360 // print castling suffix
9361 if( toY == fromY && piece == king ) {
9363 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9365 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9368 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9369 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9370 boards[forwardMostMove][toY][toX] == EmptySquare
9371 && fromX != toX && fromY != toY)
9372 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9374 if(promoChar != NULLCHAR)
9375 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
9377 fprintf(serverMoves, "/%d/%d",
9378 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9379 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9380 else timeLeft = blackTimeRemaining/1000;
9381 fprintf(serverMoves, "/%d", timeLeft);
9383 fflush(serverMoves);
9386 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
9387 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
9391 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9392 if (commentList[forwardMostMove+1] != NULL) {
9393 free(commentList[forwardMostMove+1]);
9394 commentList[forwardMostMove+1] = NULL;
9396 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9397 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9398 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9399 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9400 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9401 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9402 gameInfo.result = GameUnfinished;
9403 if (gameInfo.resultDetails != NULL) {
9404 free(gameInfo.resultDetails);
9405 gameInfo.resultDetails = NULL;
9407 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9408 moveList[forwardMostMove - 1]);
9409 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
9410 PosFlags(forwardMostMove - 1),
9411 fromY, fromX, toY, toX, promoChar,
9412 parseList[forwardMostMove - 1]);
9413 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9419 if(gameInfo.variant != VariantShogi)
9420 strcat(parseList[forwardMostMove - 1], "+");
9424 strcat(parseList[forwardMostMove - 1], "#");
9427 if (appData.debugMode) {
9428 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9433 /* Updates currentMove if not pausing */
9435 ShowMove(fromX, fromY, toX, toY)
9437 int instant = (gameMode == PlayFromGameFile) ?
9438 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9439 if(appData.noGUI) return;
9440 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9442 if (forwardMostMove == currentMove + 1) {
9443 AnimateMove(boards[forwardMostMove - 1],
9444 fromX, fromY, toX, toY);
9446 if (appData.highlightLastMove) {
9447 SetHighlights(fromX, fromY, toX, toY);
9450 currentMove = forwardMostMove;
9453 if (instant) return;
9455 DisplayMove(currentMove - 1);
9456 DrawPosition(FALSE, boards[currentMove]);
9457 DisplayBothClocks();
9458 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9459 DisplayBook(currentMove);
9462 void SendEgtPath(ChessProgramState *cps)
9463 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9464 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9466 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9469 char c, *q = name+1, *r, *s;
9471 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9472 while(*p && *p != ',') *q++ = *p++;
9474 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9475 strcmp(name, ",nalimov:") == 0 ) {
9476 // take nalimov path from the menu-changeable option first, if it is defined
9477 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9478 SendToProgram(buf,cps); // send egtbpath command for nalimov
9480 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9481 (s = StrStr(appData.egtFormats, name)) != NULL) {
9482 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9483 s = r = StrStr(s, ":") + 1; // beginning of path info
9484 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9485 c = *r; *r = 0; // temporarily null-terminate path info
9486 *--q = 0; // strip of trailig ':' from name
9487 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9489 SendToProgram(buf,cps); // send egtbpath command for this format
9491 if(*p == ',') p++; // read away comma to position for next format name
9496 InitChessProgram(cps, setup)
9497 ChessProgramState *cps;
9498 int setup; /* [HGM] needed to setup FRC opening position */
9500 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9501 if (appData.noChessProgram) return;
9502 hintRequested = FALSE;
9503 bookRequested = FALSE;
9505 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9506 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9507 if(cps->memSize) { /* [HGM] memory */
9508 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9509 SendToProgram(buf, cps);
9511 SendEgtPath(cps); /* [HGM] EGT */
9512 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9513 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9514 SendToProgram(buf, cps);
9517 SendToProgram(cps->initString, cps);
9518 if (gameInfo.variant != VariantNormal &&
9519 gameInfo.variant != VariantLoadable
9520 /* [HGM] also send variant if board size non-standard */
9521 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9523 char *v = VariantName(gameInfo.variant);
9524 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9525 /* [HGM] in protocol 1 we have to assume all variants valid */
9526 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9527 DisplayFatalError(buf, 0, 1);
9531 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9532 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9533 if( gameInfo.variant == VariantXiangqi )
9534 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9535 if( gameInfo.variant == VariantShogi )
9536 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9537 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9538 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9539 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9540 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9541 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9542 if( gameInfo.variant == VariantCourier )
9543 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9544 if( gameInfo.variant == VariantSuper )
9545 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9546 if( gameInfo.variant == VariantGreat )
9547 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9548 if( gameInfo.variant == VariantSChess )
9549 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9550 if( gameInfo.variant == VariantGrand )
9551 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9554 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9555 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9556 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9557 if(StrStr(cps->variants, b) == NULL) {
9558 // specific sized variant not known, check if general sizing allowed
9559 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9560 if(StrStr(cps->variants, "boardsize") == NULL) {
9561 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9562 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9563 DisplayFatalError(buf, 0, 1);
9566 /* [HGM] here we really should compare with the maximum supported board size */
9569 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9570 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9571 SendToProgram(buf, cps);
9573 currentlyInitializedVariant = gameInfo.variant;
9575 /* [HGM] send opening position in FRC to first engine */
9577 SendToProgram("force\n", cps);
9579 /* engine is now in force mode! Set flag to wake it up after first move. */
9580 setboardSpoiledMachineBlack = 1;
9584 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9585 SendToProgram(buf, cps);
9587 cps->maybeThinking = FALSE;
9588 cps->offeredDraw = 0;
9589 if (!appData.icsActive) {
9590 SendTimeControl(cps, movesPerSession, timeControl,
9591 timeIncrement, appData.searchDepth,
9594 if (appData.showThinking
9595 // [HGM] thinking: four options require thinking output to be sent
9596 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9598 SendToProgram("post\n", cps);
9600 SendToProgram("hard\n", cps);
9601 if (!appData.ponderNextMove) {
9602 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9603 it without being sure what state we are in first. "hard"
9604 is not a toggle, so that one is OK.
9606 SendToProgram("easy\n", cps);
9609 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9610 SendToProgram(buf, cps);
9612 cps->initDone = TRUE;
9613 ClearEngineOutputPane(cps == &second);
9618 StartChessProgram(cps)
9619 ChessProgramState *cps;
9624 if (appData.noChessProgram) return;
9625 cps->initDone = FALSE;
9627 if (strcmp(cps->host, "localhost") == 0) {
9628 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9629 } else if (*appData.remoteShell == NULLCHAR) {
9630 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9632 if (*appData.remoteUser == NULLCHAR) {
9633 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9636 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9637 cps->host, appData.remoteUser, cps->program);
9639 err = StartChildProcess(buf, "", &cps->pr);
9643 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9644 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9645 if(cps != &first) return;
9646 appData.noChessProgram = TRUE;
9649 // DisplayFatalError(buf, err, 1);
9650 // cps->pr = NoProc;
9655 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9656 if (cps->protocolVersion > 1) {
9657 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9658 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9659 cps->comboCnt = 0; // and values of combo boxes
9660 SendToProgram(buf, cps);
9662 SendToProgram("xboard\n", cps);
9667 TwoMachinesEventIfReady P((void))
9669 static int curMess = 0;
9670 if (first.lastPing != first.lastPong) {
9671 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9672 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9675 if (second.lastPing != second.lastPong) {
9676 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9677 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9680 DisplayMessage("", ""); curMess = 0;
9686 MakeName(char *template)
9690 static char buf[MSG_SIZ];
9694 clock = time((time_t *)NULL);
9695 tm = localtime(&clock);
9697 while(*p++ = *template++) if(p[-1] == '%') {
9698 switch(*template++) {
9699 case 0: *p = 0; return buf;
9700 case 'Y': i = tm->tm_year+1900; break;
9701 case 'y': i = tm->tm_year-100; break;
9702 case 'M': i = tm->tm_mon+1; break;
9703 case 'd': i = tm->tm_mday; break;
9704 case 'h': i = tm->tm_hour; break;
9705 case 'm': i = tm->tm_min; break;
9706 case 's': i = tm->tm_sec; break;
9709 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9715 CountPlayers(char *p)
9718 while(p = strchr(p, '\n')) p++, n++; // count participants
9723 WriteTourneyFile(char *results)
9724 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9725 FILE *f = fopen(appData.tourneyFile, "w");
9726 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9727 // create a file with tournament description
9728 fprintf(f, "-participants {%s}\n", appData.participants);
9729 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9730 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9731 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9732 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9733 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9734 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9735 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9736 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9737 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9738 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9739 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9741 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9743 fprintf(f, "-mps %d\n", appData.movesPerSession);
9744 fprintf(f, "-tc %s\n", appData.timeControl);
9745 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9747 fprintf(f, "-results \"%s\"\n", results);
9753 CreateTourney(char *name)
9756 if(name[0] == NULLCHAR) {
9757 if(appData.participants[0])
9758 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9761 f = fopen(name, "r");
9762 if(f) { // file exists
9763 ASSIGN(appData.tourneyFile, name);
9764 ParseArgsFromFile(f); // parse it
9766 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9767 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9768 DisplayError(_("Not enough participants"), 0);
9771 ASSIGN(appData.tourneyFile, name);
9772 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9773 if((f = WriteTourneyFile("")) == NULL) return 0;
9776 appData.noChessProgram = FALSE;
9777 appData.clockMode = TRUE;
9782 #define MAXENGINES 1000
9783 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9785 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9787 char buf[MSG_SIZ], *p, *q;
9791 while(*p && *p != '\n') *q++ = *p++;
9793 if(engineList[i]) free(engineList[i]);
9794 engineList[i] = strdup(buf);
9796 TidyProgramName(engineList[i], "localhost", buf);
9797 if(engineMnemonic[i]) free(engineMnemonic[i]);
9798 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9800 sscanf(q + 8, "%s", buf + strlen(buf));
9803 engineMnemonic[i] = strdup(buf);
9805 if(i > MAXENGINES - 2) break;
9807 engineList[i] = NULL;
9810 // following implemented as macro to avoid type limitations
9811 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9813 void SwapEngines(int n)
9814 { // swap settings for first engine and other engine (so far only some selected options)
9819 SWAP(chessProgram, p)
9821 SWAP(hasOwnBookUCI, h)
9822 SWAP(protocolVersion, h)
9824 SWAP(scoreIsAbsolute, h)
9832 SetPlayer(int player)
9833 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9835 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9836 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9837 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9838 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9840 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9841 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
9842 ParseArgsFromString(buf);
9848 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9849 { // determine players from game number
9850 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9852 if(appData.tourneyType == 0) {
9853 roundsPerCycle = (nPlayers - 1) | 1;
9854 pairingsPerRound = nPlayers / 2;
9855 } else if(appData.tourneyType > 0) {
9856 roundsPerCycle = nPlayers - appData.tourneyType;
9857 pairingsPerRound = appData.tourneyType;
9859 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9860 gamesPerCycle = gamesPerRound * roundsPerCycle;
9861 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9862 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9863 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9864 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9865 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9866 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9868 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9869 if(appData.roundSync) *syncInterval = gamesPerRound;
9871 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9873 if(appData.tourneyType == 0) {
9874 if(curPairing == (nPlayers-1)/2 ) {
9875 *whitePlayer = curRound;
9876 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9878 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9879 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9880 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9881 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9883 } else if(appData.tourneyType > 0) {
9884 *whitePlayer = curPairing;
9885 *blackPlayer = curRound + appData.tourneyType;
9888 // take care of white/black alternation per round.
9889 // For cycles and games this is already taken care of by default, derived from matchGame!
9890 return curRound & 1;
9894 NextTourneyGame(int nr, int *swapColors)
9895 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9897 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
9899 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
9900 tf = fopen(appData.tourneyFile, "r");
9901 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
9902 ParseArgsFromFile(tf); fclose(tf);
9903 InitTimeControls(); // TC might be altered from tourney file
9905 nPlayers = CountPlayers(appData.participants); // count participants
9906 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
9907 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
9910 p = q = appData.results;
9911 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
9912 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
9913 DisplayMessage(_("Waiting for other game(s)"),"");
9914 waitingForGame = TRUE;
9915 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
9918 waitingForGame = FALSE;
9921 if(appData.tourneyType < 0) {
9922 if(nr>=0 && !pairingReceived) {
9924 if(pairing.pr == NoProc) {
9925 if(!appData.pairingEngine[0]) {
9926 DisplayFatalError(_("No pairing engine specified"), 0, 1);
9929 StartChessProgram(&pairing); // starts the pairing engine
9931 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
9932 SendToProgram(buf, &pairing);
9933 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
9934 SendToProgram(buf, &pairing);
9935 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
9937 pairingReceived = 0; // ... so we continue here
9939 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
9940 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
9941 matchGame = 1; roundNr = nr / syncInterval + 1;
9944 if(first.pr != NoProc) return 1; // engines already loaded
9946 // redefine engines, engine dir, etc.
9947 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
9948 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
9950 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
9951 SwapEngines(1); // and make that valid for second engine by swapping
9952 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
9953 InitEngine(&second, 1);
9954 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
9955 UpdateLogos(FALSE); // leave display to ModeHiglight()
9961 { // performs game initialization that does not invoke engines, and then tries to start the game
9962 int firstWhite, swapColors = 0;
9963 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
9964 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
9965 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
9966 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
9967 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
9968 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
9969 Reset(FALSE, first.pr != NoProc);
9970 appData.noChessProgram = FALSE;
9971 if(!LoadGameOrPosition(matchGame)) return; // setup game; abort when bad game/pos file
9975 void UserAdjudicationEvent( int result )
9977 ChessMove gameResult = GameIsDrawn;
9980 gameResult = WhiteWins;
9982 else if( result < 0 ) {
9983 gameResult = BlackWins;
9986 if( gameMode == TwoMachinesPlay ) {
9987 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9992 // [HGM] save: calculate checksum of game to make games easily identifiable
9993 int StringCheckSum(char *s)
9996 if(s==NULL) return 0;
9997 while(*s) i = i*259 + *s++;
10004 for(i=backwardMostMove; i<forwardMostMove; i++) {
10005 sum += pvInfoList[i].depth;
10006 sum += StringCheckSum(parseList[i]);
10007 sum += StringCheckSum(commentList[i]);
10010 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10011 return sum + StringCheckSum(commentList[i]);
10012 } // end of save patch
10015 GameEnds(result, resultDetails, whosays)
10017 char *resultDetails;
10020 GameMode nextGameMode;
10022 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10024 if(endingGame) return; /* [HGM] crash: forbid recursion */
10026 if(twoBoards) { // [HGM] dual: switch back to one board
10027 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10028 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10030 if (appData.debugMode) {
10031 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10032 result, resultDetails ? resultDetails : "(null)", whosays);
10035 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10037 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10038 /* If we are playing on ICS, the server decides when the
10039 game is over, but the engine can offer to draw, claim
10043 if (appData.zippyPlay && first.initDone) {
10044 if (result == GameIsDrawn) {
10045 /* In case draw still needs to be claimed */
10046 SendToICS(ics_prefix);
10047 SendToICS("draw\n");
10048 } else if (StrCaseStr(resultDetails, "resign")) {
10049 SendToICS(ics_prefix);
10050 SendToICS("resign\n");
10054 endingGame = 0; /* [HGM] crash */
10058 /* If we're loading the game from a file, stop */
10059 if (whosays == GE_FILE) {
10060 (void) StopLoadGameTimer();
10064 /* Cancel draw offers */
10065 first.offeredDraw = second.offeredDraw = 0;
10067 /* If this is an ICS game, only ICS can really say it's done;
10068 if not, anyone can. */
10069 isIcsGame = (gameMode == IcsPlayingWhite ||
10070 gameMode == IcsPlayingBlack ||
10071 gameMode == IcsObserving ||
10072 gameMode == IcsExamining);
10074 if (!isIcsGame || whosays == GE_ICS) {
10075 /* OK -- not an ICS game, or ICS said it was done */
10077 if (!isIcsGame && !appData.noChessProgram)
10078 SetUserThinkingEnables();
10080 /* [HGM] if a machine claims the game end we verify this claim */
10081 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10082 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10084 ChessMove trueResult = (ChessMove) -1;
10086 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10087 first.twoMachinesColor[0] :
10088 second.twoMachinesColor[0] ;
10090 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10091 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10092 /* [HGM] verify: engine mate claims accepted if they were flagged */
10093 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10095 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10096 /* [HGM] verify: engine mate claims accepted if they were flagged */
10097 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10099 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10100 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10103 // now verify win claims, but not in drop games, as we don't understand those yet
10104 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10105 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10106 (result == WhiteWins && claimer == 'w' ||
10107 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10108 if (appData.debugMode) {
10109 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10110 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10112 if(result != trueResult) {
10113 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10114 result = claimer == 'w' ? BlackWins : WhiteWins;
10115 resultDetails = buf;
10118 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10119 && (forwardMostMove <= backwardMostMove ||
10120 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10121 (claimer=='b')==(forwardMostMove&1))
10123 /* [HGM] verify: draws that were not flagged are false claims */
10124 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10125 result = claimer == 'w' ? BlackWins : WhiteWins;
10126 resultDetails = buf;
10128 /* (Claiming a loss is accepted no questions asked!) */
10130 /* [HGM] bare: don't allow bare King to win */
10131 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10132 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10133 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10134 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10135 && result != GameIsDrawn)
10136 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10137 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10138 int p = (signed char)boards[forwardMostMove][i][j] - color;
10139 if(p >= 0 && p <= (int)WhiteKing) k++;
10141 if (appData.debugMode) {
10142 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10143 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10146 result = GameIsDrawn;
10147 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10148 resultDetails = buf;
10154 if(serverMoves != NULL && !loadFlag) { char c = '=';
10155 if(result==WhiteWins) c = '+';
10156 if(result==BlackWins) c = '-';
10157 if(resultDetails != NULL)
10158 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
10160 if (resultDetails != NULL) {
10161 gameInfo.result = result;
10162 gameInfo.resultDetails = StrSave(resultDetails);
10164 /* display last move only if game was not loaded from file */
10165 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10166 DisplayMove(currentMove - 1);
10168 if (forwardMostMove != 0) {
10169 if (gameMode != PlayFromGameFile && gameMode != EditGame
10170 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10172 if (*appData.saveGameFile != NULLCHAR) {
10173 SaveGameToFile(appData.saveGameFile, TRUE);
10174 } else if (appData.autoSaveGames) {
10177 if (*appData.savePositionFile != NULLCHAR) {
10178 SavePositionToFile(appData.savePositionFile);
10183 /* Tell program how game ended in case it is learning */
10184 /* [HGM] Moved this to after saving the PGN, just in case */
10185 /* engine died and we got here through time loss. In that */
10186 /* case we will get a fatal error writing the pipe, which */
10187 /* would otherwise lose us the PGN. */
10188 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10189 /* output during GameEnds should never be fatal anymore */
10190 if (gameMode == MachinePlaysWhite ||
10191 gameMode == MachinePlaysBlack ||
10192 gameMode == TwoMachinesPlay ||
10193 gameMode == IcsPlayingWhite ||
10194 gameMode == IcsPlayingBlack ||
10195 gameMode == BeginningOfGame) {
10197 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10199 if (first.pr != NoProc) {
10200 SendToProgram(buf, &first);
10202 if (second.pr != NoProc &&
10203 gameMode == TwoMachinesPlay) {
10204 SendToProgram(buf, &second);
10209 if (appData.icsActive) {
10210 if (appData.quietPlay &&
10211 (gameMode == IcsPlayingWhite ||
10212 gameMode == IcsPlayingBlack)) {
10213 SendToICS(ics_prefix);
10214 SendToICS("set shout 1\n");
10216 nextGameMode = IcsIdle;
10217 ics_user_moved = FALSE;
10218 /* clean up premove. It's ugly when the game has ended and the
10219 * premove highlights are still on the board.
10222 gotPremove = FALSE;
10223 ClearPremoveHighlights();
10224 DrawPosition(FALSE, boards[currentMove]);
10226 if (whosays == GE_ICS) {
10229 if (gameMode == IcsPlayingWhite)
10231 else if(gameMode == IcsPlayingBlack)
10232 PlayIcsLossSound();
10235 if (gameMode == IcsPlayingBlack)
10237 else if(gameMode == IcsPlayingWhite)
10238 PlayIcsLossSound();
10241 PlayIcsDrawSound();
10244 PlayIcsUnfinishedSound();
10247 } else if (gameMode == EditGame ||
10248 gameMode == PlayFromGameFile ||
10249 gameMode == AnalyzeMode ||
10250 gameMode == AnalyzeFile) {
10251 nextGameMode = gameMode;
10253 nextGameMode = EndOfGame;
10258 nextGameMode = gameMode;
10261 if (appData.noChessProgram) {
10262 gameMode = nextGameMode;
10264 endingGame = 0; /* [HGM] crash */
10269 /* Put first chess program into idle state */
10270 if (first.pr != NoProc &&
10271 (gameMode == MachinePlaysWhite ||
10272 gameMode == MachinePlaysBlack ||
10273 gameMode == TwoMachinesPlay ||
10274 gameMode == IcsPlayingWhite ||
10275 gameMode == IcsPlayingBlack ||
10276 gameMode == BeginningOfGame)) {
10277 SendToProgram("force\n", &first);
10278 if (first.usePing) {
10280 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10281 SendToProgram(buf, &first);
10284 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10285 /* Kill off first chess program */
10286 if (first.isr != NULL)
10287 RemoveInputSource(first.isr);
10290 if (first.pr != NoProc) {
10292 DoSleep( appData.delayBeforeQuit );
10293 SendToProgram("quit\n", &first);
10294 DoSleep( appData.delayAfterQuit );
10295 DestroyChildProcess(first.pr, first.useSigterm);
10299 if (second.reuse) {
10300 /* Put second chess program into idle state */
10301 if (second.pr != NoProc &&
10302 gameMode == TwoMachinesPlay) {
10303 SendToProgram("force\n", &second);
10304 if (second.usePing) {
10306 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10307 SendToProgram(buf, &second);
10310 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10311 /* Kill off second chess program */
10312 if (second.isr != NULL)
10313 RemoveInputSource(second.isr);
10316 if (second.pr != NoProc) {
10317 DoSleep( appData.delayBeforeQuit );
10318 SendToProgram("quit\n", &second);
10319 DoSleep( appData.delayAfterQuit );
10320 DestroyChildProcess(second.pr, second.useSigterm);
10322 second.pr = NoProc;
10325 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10326 char resChar = '=';
10330 if (first.twoMachinesColor[0] == 'w') {
10333 second.matchWins++;
10338 if (first.twoMachinesColor[0] == 'b') {
10341 second.matchWins++;
10344 case GameUnfinished:
10350 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10351 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10352 ReserveGame(nextGame, resChar); // sets nextGame
10353 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10354 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10355 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10357 if (nextGame <= appData.matchGames && !abortMatch) {
10358 gameMode = nextGameMode;
10359 matchGame = nextGame; // this will be overruled in tourney mode!
10360 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10361 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10362 endingGame = 0; /* [HGM] crash */
10365 gameMode = nextGameMode;
10366 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10367 first.tidy, second.tidy,
10368 first.matchWins, second.matchWins,
10369 appData.matchGames - (first.matchWins + second.matchWins));
10370 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10371 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10372 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10373 first.twoMachinesColor = "black\n";
10374 second.twoMachinesColor = "white\n";
10376 first.twoMachinesColor = "white\n";
10377 second.twoMachinesColor = "black\n";
10381 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10382 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10384 gameMode = nextGameMode;
10386 endingGame = 0; /* [HGM] crash */
10387 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10388 if(matchMode == TRUE) { // match through command line: exit with or without popup
10390 ToNrEvent(forwardMostMove);
10391 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10393 } else DisplayFatalError(buf, 0, 0);
10394 } else { // match through menu; just stop, with or without popup
10395 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10398 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10399 } else DisplayNote(buf);
10401 if(ranking) free(ranking);
10405 /* Assumes program was just initialized (initString sent).
10406 Leaves program in force mode. */
10408 FeedMovesToProgram(cps, upto)
10409 ChessProgramState *cps;
10414 if (appData.debugMode)
10415 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10416 startedFromSetupPosition ? "position and " : "",
10417 backwardMostMove, upto, cps->which);
10418 if(currentlyInitializedVariant != gameInfo.variant) {
10420 // [HGM] variantswitch: make engine aware of new variant
10421 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10422 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10423 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10424 SendToProgram(buf, cps);
10425 currentlyInitializedVariant = gameInfo.variant;
10427 SendToProgram("force\n", cps);
10428 if (startedFromSetupPosition) {
10429 SendBoard(cps, backwardMostMove);
10430 if (appData.debugMode) {
10431 fprintf(debugFP, "feedMoves\n");
10434 for (i = backwardMostMove; i < upto; i++) {
10435 SendMoveToProgram(i, cps);
10441 ResurrectChessProgram()
10443 /* The chess program may have exited.
10444 If so, restart it and feed it all the moves made so far. */
10445 static int doInit = 0;
10447 if (appData.noChessProgram) return 1;
10449 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10450 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10451 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10452 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10454 if (first.pr != NoProc) return 1;
10455 StartChessProgram(&first);
10457 InitChessProgram(&first, FALSE);
10458 FeedMovesToProgram(&first, currentMove);
10460 if (!first.sendTime) {
10461 /* can't tell gnuchess what its clock should read,
10462 so we bow to its notion. */
10464 timeRemaining[0][currentMove] = whiteTimeRemaining;
10465 timeRemaining[1][currentMove] = blackTimeRemaining;
10468 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10469 appData.icsEngineAnalyze) && first.analysisSupport) {
10470 SendToProgram("analyze\n", &first);
10471 first.analyzing = TRUE;
10477 * Button procedures
10480 Reset(redraw, init)
10485 if (appData.debugMode) {
10486 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10487 redraw, init, gameMode);
10489 CleanupTail(); // [HGM] vari: delete any stored variations
10490 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10491 pausing = pauseExamInvalid = FALSE;
10492 startedFromSetupPosition = blackPlaysFirst = FALSE;
10494 whiteFlag = blackFlag = FALSE;
10495 userOfferedDraw = FALSE;
10496 hintRequested = bookRequested = FALSE;
10497 first.maybeThinking = FALSE;
10498 second.maybeThinking = FALSE;
10499 first.bookSuspend = FALSE; // [HGM] book
10500 second.bookSuspend = FALSE;
10501 thinkOutput[0] = NULLCHAR;
10502 lastHint[0] = NULLCHAR;
10503 ClearGameInfo(&gameInfo);
10504 gameInfo.variant = StringToVariant(appData.variant);
10505 ics_user_moved = ics_clock_paused = FALSE;
10506 ics_getting_history = H_FALSE;
10508 white_holding[0] = black_holding[0] = NULLCHAR;
10509 ClearProgramStats();
10510 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10514 flipView = appData.flipView;
10515 ClearPremoveHighlights();
10516 gotPremove = FALSE;
10517 alarmSounded = FALSE;
10519 GameEnds(EndOfFile, NULL, GE_PLAYER);
10520 if(appData.serverMovesName != NULL) {
10521 /* [HGM] prepare to make moves file for broadcasting */
10522 clock_t t = clock();
10523 if(serverMoves != NULL) fclose(serverMoves);
10524 serverMoves = fopen(appData.serverMovesName, "r");
10525 if(serverMoves != NULL) {
10526 fclose(serverMoves);
10527 /* delay 15 sec before overwriting, so all clients can see end */
10528 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10530 serverMoves = fopen(appData.serverMovesName, "w");
10534 gameMode = BeginningOfGame;
10536 if(appData.icsActive) gameInfo.variant = VariantNormal;
10537 currentMove = forwardMostMove = backwardMostMove = 0;
10538 InitPosition(redraw);
10539 for (i = 0; i < MAX_MOVES; i++) {
10540 if (commentList[i] != NULL) {
10541 free(commentList[i]);
10542 commentList[i] = NULL;
10546 timeRemaining[0][0] = whiteTimeRemaining;
10547 timeRemaining[1][0] = blackTimeRemaining;
10549 if (first.pr == NULL) {
10550 StartChessProgram(&first);
10553 InitChessProgram(&first, startedFromSetupPosition);
10556 DisplayMessage("", "");
10557 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10558 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10565 if (!AutoPlayOneMove())
10567 if (matchMode || appData.timeDelay == 0)
10569 if (appData.timeDelay < 0)
10571 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10580 int fromX, fromY, toX, toY;
10582 if (appData.debugMode) {
10583 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10586 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10589 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10590 pvInfoList[currentMove].depth = programStats.depth;
10591 pvInfoList[currentMove].score = programStats.score;
10592 pvInfoList[currentMove].time = 0;
10593 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10596 if (currentMove >= forwardMostMove) {
10597 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10598 // gameMode = EndOfGame;
10599 // ModeHighlight();
10601 /* [AS] Clear current move marker at the end of a game */
10602 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10607 toX = moveList[currentMove][2] - AAA;
10608 toY = moveList[currentMove][3] - ONE;
10610 if (moveList[currentMove][1] == '@') {
10611 if (appData.highlightLastMove) {
10612 SetHighlights(-1, -1, toX, toY);
10615 fromX = moveList[currentMove][0] - AAA;
10616 fromY = moveList[currentMove][1] - ONE;
10618 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10620 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10622 if (appData.highlightLastMove) {
10623 SetHighlights(fromX, fromY, toX, toY);
10626 DisplayMove(currentMove);
10627 SendMoveToProgram(currentMove++, &first);
10628 DisplayBothClocks();
10629 DrawPosition(FALSE, boards[currentMove]);
10630 // [HGM] PV info: always display, routine tests if empty
10631 DisplayComment(currentMove - 1, commentList[currentMove]);
10637 LoadGameOneMove(readAhead)
10638 ChessMove readAhead;
10640 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10641 char promoChar = NULLCHAR;
10642 ChessMove moveType;
10643 char move[MSG_SIZ];
10646 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10647 gameMode != AnalyzeMode && gameMode != Training) {
10652 yyboardindex = forwardMostMove;
10653 if (readAhead != EndOfFile) {
10654 moveType = readAhead;
10656 if (gameFileFP == NULL)
10658 moveType = (ChessMove) Myylex();
10662 switch (moveType) {
10664 if (appData.debugMode)
10665 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10668 /* append the comment but don't display it */
10669 AppendComment(currentMove, p, FALSE);
10672 case WhiteCapturesEnPassant:
10673 case BlackCapturesEnPassant:
10674 case WhitePromotion:
10675 case BlackPromotion:
10676 case WhiteNonPromotion:
10677 case BlackNonPromotion:
10679 case WhiteKingSideCastle:
10680 case WhiteQueenSideCastle:
10681 case BlackKingSideCastle:
10682 case BlackQueenSideCastle:
10683 case WhiteKingSideCastleWild:
10684 case WhiteQueenSideCastleWild:
10685 case BlackKingSideCastleWild:
10686 case BlackQueenSideCastleWild:
10688 case WhiteHSideCastleFR:
10689 case WhiteASideCastleFR:
10690 case BlackHSideCastleFR:
10691 case BlackASideCastleFR:
10693 if (appData.debugMode)
10694 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10695 fromX = currentMoveString[0] - AAA;
10696 fromY = currentMoveString[1] - ONE;
10697 toX = currentMoveString[2] - AAA;
10698 toY = currentMoveString[3] - ONE;
10699 promoChar = currentMoveString[4];
10704 if (appData.debugMode)
10705 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10706 fromX = moveType == WhiteDrop ?
10707 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10708 (int) CharToPiece(ToLower(currentMoveString[0]));
10710 toX = currentMoveString[2] - AAA;
10711 toY = currentMoveString[3] - ONE;
10717 case GameUnfinished:
10718 if (appData.debugMode)
10719 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10720 p = strchr(yy_text, '{');
10721 if (p == NULL) p = strchr(yy_text, '(');
10724 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10726 q = strchr(p, *p == '{' ? '}' : ')');
10727 if (q != NULL) *q = NULLCHAR;
10730 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10731 GameEnds(moveType, p, GE_FILE);
10733 if (cmailMsgLoaded) {
10735 flipView = WhiteOnMove(currentMove);
10736 if (moveType == GameUnfinished) flipView = !flipView;
10737 if (appData.debugMode)
10738 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10743 if (appData.debugMode)
10744 fprintf(debugFP, "Parser hit end of file\n");
10745 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10751 if (WhiteOnMove(currentMove)) {
10752 GameEnds(BlackWins, "Black mates", GE_FILE);
10754 GameEnds(WhiteWins, "White mates", GE_FILE);
10758 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10764 case MoveNumberOne:
10765 if (lastLoadGameStart == GNUChessGame) {
10766 /* GNUChessGames have numbers, but they aren't move numbers */
10767 if (appData.debugMode)
10768 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10769 yy_text, (int) moveType);
10770 return LoadGameOneMove(EndOfFile); /* tail recursion */
10772 /* else fall thru */
10777 /* Reached start of next game in file */
10778 if (appData.debugMode)
10779 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10780 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10786 if (WhiteOnMove(currentMove)) {
10787 GameEnds(BlackWins, "Black mates", GE_FILE);
10789 GameEnds(WhiteWins, "White mates", GE_FILE);
10793 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10799 case PositionDiagram: /* should not happen; ignore */
10800 case ElapsedTime: /* ignore */
10801 case NAG: /* ignore */
10802 if (appData.debugMode)
10803 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10804 yy_text, (int) moveType);
10805 return LoadGameOneMove(EndOfFile); /* tail recursion */
10808 if (appData.testLegality) {
10809 if (appData.debugMode)
10810 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10811 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10812 (forwardMostMove / 2) + 1,
10813 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10814 DisplayError(move, 0);
10817 if (appData.debugMode)
10818 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10819 yy_text, currentMoveString);
10820 fromX = currentMoveString[0] - AAA;
10821 fromY = currentMoveString[1] - ONE;
10822 toX = currentMoveString[2] - AAA;
10823 toY = currentMoveString[3] - ONE;
10824 promoChar = currentMoveString[4];
10828 case AmbiguousMove:
10829 if (appData.debugMode)
10830 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10831 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10832 (forwardMostMove / 2) + 1,
10833 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10834 DisplayError(move, 0);
10839 case ImpossibleMove:
10840 if (appData.debugMode)
10841 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10842 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10843 (forwardMostMove / 2) + 1,
10844 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10845 DisplayError(move, 0);
10851 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10852 DrawPosition(FALSE, boards[currentMove]);
10853 DisplayBothClocks();
10854 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10855 DisplayComment(currentMove - 1, commentList[currentMove]);
10857 (void) StopLoadGameTimer();
10859 cmailOldMove = forwardMostMove;
10862 /* currentMoveString is set as a side-effect of yylex */
10864 thinkOutput[0] = NULLCHAR;
10865 MakeMove(fromX, fromY, toX, toY, promoChar);
10866 currentMove = forwardMostMove;
10871 /* Load the nth game from the given file */
10873 LoadGameFromFile(filename, n, title, useList)
10877 /*Boolean*/ int useList;
10882 if (strcmp(filename, "-") == 0) {
10886 f = fopen(filename, "rb");
10888 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10889 DisplayError(buf, errno);
10893 if (fseek(f, 0, 0) == -1) {
10894 /* f is not seekable; probably a pipe */
10897 if (useList && n == 0) {
10898 int error = GameListBuild(f);
10900 DisplayError(_("Cannot build game list"), error);
10901 } else if (!ListEmpty(&gameList) &&
10902 ((ListGame *) gameList.tailPred)->number > 1) {
10903 GameListPopUp(f, title);
10910 return LoadGame(f, n, title, FALSE);
10915 MakeRegisteredMove()
10917 int fromX, fromY, toX, toY;
10919 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10920 switch (cmailMoveType[lastLoadGameNumber - 1]) {
10923 if (appData.debugMode)
10924 fprintf(debugFP, "Restoring %s for game %d\n",
10925 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10927 thinkOutput[0] = NULLCHAR;
10928 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
10929 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
10930 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
10931 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
10932 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
10933 promoChar = cmailMove[lastLoadGameNumber - 1][4];
10934 MakeMove(fromX, fromY, toX, toY, promoChar);
10935 ShowMove(fromX, fromY, toX, toY);
10937 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10944 if (WhiteOnMove(currentMove)) {
10945 GameEnds(BlackWins, "Black mates", GE_PLAYER);
10947 GameEnds(WhiteWins, "White mates", GE_PLAYER);
10952 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10959 if (WhiteOnMove(currentMove)) {
10960 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10962 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10967 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10978 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10980 CmailLoadGame(f, gameNumber, title, useList)
10988 if (gameNumber > nCmailGames) {
10989 DisplayError(_("No more games in this message"), 0);
10992 if (f == lastLoadGameFP) {
10993 int offset = gameNumber - lastLoadGameNumber;
10995 cmailMsg[0] = NULLCHAR;
10996 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10997 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10998 nCmailMovesRegistered--;
11000 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11001 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11002 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11005 if (! RegisterMove()) return FALSE;
11009 retVal = LoadGame(f, gameNumber, title, useList);
11011 /* Make move registered during previous look at this game, if any */
11012 MakeRegisteredMove();
11014 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11015 commentList[currentMove]
11016 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11017 DisplayComment(currentMove - 1, commentList[currentMove]);
11023 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11028 int gameNumber = lastLoadGameNumber + offset;
11029 if (lastLoadGameFP == NULL) {
11030 DisplayError(_("No game has been loaded yet"), 0);
11033 if (gameNumber <= 0) {
11034 DisplayError(_("Can't back up any further"), 0);
11037 if (cmailMsgLoaded) {
11038 return CmailLoadGame(lastLoadGameFP, gameNumber,
11039 lastLoadGameTitle, lastLoadGameUseList);
11041 return LoadGame(lastLoadGameFP, gameNumber,
11042 lastLoadGameTitle, lastLoadGameUseList);
11046 int keys[EmptySquare+1];
11049 PositionMatches(Board b1, Board b2)
11052 switch(appData.searchMode) {
11053 case 1: return CompareWithRights(b1, b2);
11055 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11056 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11060 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11061 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11062 sum += keys[b1[r][f]] - keys[b2[r][f]];
11066 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11067 sum += keys[b1[r][f]] - keys[b2[r][f]];
11074 GameInfo dummyInfo;
11076 int GameContainsPosition(FILE *f, ListGame *lg)
11078 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11079 int fromX, fromY, toX, toY;
11081 static int initDone=FALSE;
11084 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = rand()>>8 ^ rand()<<6 ^rand()<<20;
11087 dummyInfo.variant = VariantNormal;
11088 FREE(dummyInfo.fen); dummyInfo.fen = NULL;
11089 dummyInfo.whiteRating = 0;
11090 dummyInfo.blackRating = 0;
11091 FREE(dummyInfo.date); dummyInfo.date = NULL;
11092 fseek(f, lg->offset, 0);
11094 CopyBoard(boards[scratch], initialPosition); // default start position
11096 yyboardindex = scratch + (plyNr&1);
11102 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11103 ParsePGNTag(yy_text, &dummyInfo);
11104 if(dummyInfo.fen) ParseFEN(boards[scratch], &btm, dummyInfo.fen), free(dummyInfo.fen), dummyInfo.fen = NULL;
11110 if(plyNr) return -1; // after we have seen moves, this is for new game
11113 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11114 case ImpossibleMove:
11115 case WhiteWins: // game ends here with these four
11118 case GameUnfinished:
11122 if(appData.testLegality) return -1;
11123 case WhiteCapturesEnPassant:
11124 case BlackCapturesEnPassant:
11125 case WhitePromotion:
11126 case BlackPromotion:
11127 case WhiteNonPromotion:
11128 case BlackNonPromotion:
11130 case WhiteKingSideCastle:
11131 case WhiteQueenSideCastle:
11132 case BlackKingSideCastle:
11133 case BlackQueenSideCastle:
11134 case WhiteKingSideCastleWild:
11135 case WhiteQueenSideCastleWild:
11136 case BlackKingSideCastleWild:
11137 case BlackQueenSideCastleWild:
11138 case WhiteHSideCastleFR:
11139 case WhiteASideCastleFR:
11140 case BlackHSideCastleFR:
11141 case BlackASideCastleFR:
11142 fromX = currentMoveString[0] - AAA;
11143 fromY = currentMoveString[1] - ONE;
11144 toX = currentMoveString[2] - AAA;
11145 toY = currentMoveString[3] - ONE;
11146 promoChar = currentMoveString[4];
11150 fromX = next == WhiteDrop ?
11151 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11152 (int) CharToPiece(ToLower(currentMoveString[0]));
11154 toX = currentMoveString[2] - AAA;
11155 toY = currentMoveString[3] - ONE;
11158 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11159 if(plyNr == 0) { // but first figure out variant and initial position
11160 if(dummyInfo.variant != gameInfo.variant) return -1; // wrong variant
11161 if(appData.eloThreshold1 && (dummyInfo.whiteRating < appData.eloThreshold1 && dummyInfo.blackRating < appData.eloThreshold1)) return -1;
11162 if(appData.eloThreshold2 && (dummyInfo.whiteRating < appData.eloThreshold2 || dummyInfo.blackRating < appData.eloThreshold2)) return -1;
11163 if(appData.dateThreshold && (!dummyInfo.date || atoi(dummyInfo.date) < appData.dateThreshold)) return -1;
11164 if(btm) CopyBoard(boards[scratch+1], boards[scratch]), plyNr++;
11165 if(PositionMatches(boards[scratch + plyNr], boards[currentMove])) return plyNr;
11167 CopyBoard(boards[scratch + (plyNr+1&1)], boards[scratch + (plyNr&1)]);
11169 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch + (plyNr&1)]);
11170 if(PositionMatches(boards[scratch + (plyNr&1)], boards[currentMove])) return plyNr;
11174 /* Load the nth game from open file f */
11176 LoadGame(f, gameNumber, title, useList)
11184 int gn = gameNumber;
11185 ListGame *lg = NULL;
11186 int numPGNTags = 0;
11188 GameMode oldGameMode;
11189 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11191 if (appData.debugMode)
11192 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11194 if (gameMode == Training )
11195 SetTrainingModeOff();
11197 oldGameMode = gameMode;
11198 if (gameMode != BeginningOfGame) {
11199 Reset(FALSE, TRUE);
11203 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11204 fclose(lastLoadGameFP);
11208 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11211 fseek(f, lg->offset, 0);
11212 GameListHighlight(gameNumber);
11213 pos = lg->position;
11217 DisplayError(_("Game number out of range"), 0);
11222 if (fseek(f, 0, 0) == -1) {
11223 if (f == lastLoadGameFP ?
11224 gameNumber == lastLoadGameNumber + 1 :
11228 DisplayError(_("Can't seek on game file"), 0);
11233 lastLoadGameFP = f;
11234 lastLoadGameNumber = gameNumber;
11235 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11236 lastLoadGameUseList = useList;
11240 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11241 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
11242 lg->gameInfo.black);
11244 } else if (*title != NULLCHAR) {
11245 if (gameNumber > 1) {
11246 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11249 DisplayTitle(title);
11253 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11254 gameMode = PlayFromGameFile;
11258 currentMove = forwardMostMove = backwardMostMove = 0;
11259 CopyBoard(boards[0], initialPosition);
11263 * Skip the first gn-1 games in the file.
11264 * Also skip over anything that precedes an identifiable
11265 * start of game marker, to avoid being confused by
11266 * garbage at the start of the file. Currently
11267 * recognized start of game markers are the move number "1",
11268 * the pattern "gnuchess .* game", the pattern
11269 * "^[#;%] [^ ]* game file", and a PGN tag block.
11270 * A game that starts with one of the latter two patterns
11271 * will also have a move number 1, possibly
11272 * following a position diagram.
11273 * 5-4-02: Let's try being more lenient and allowing a game to
11274 * start with an unnumbered move. Does that break anything?
11276 cm = lastLoadGameStart = EndOfFile;
11278 yyboardindex = forwardMostMove;
11279 cm = (ChessMove) Myylex();
11282 if (cmailMsgLoaded) {
11283 nCmailGames = CMAIL_MAX_GAMES - gn;
11286 DisplayError(_("Game not found in file"), 0);
11293 lastLoadGameStart = cm;
11296 case MoveNumberOne:
11297 switch (lastLoadGameStart) {
11302 case MoveNumberOne:
11304 gn--; /* count this game */
11305 lastLoadGameStart = cm;
11314 switch (lastLoadGameStart) {
11317 case MoveNumberOne:
11319 gn--; /* count this game */
11320 lastLoadGameStart = cm;
11323 lastLoadGameStart = cm; /* game counted already */
11331 yyboardindex = forwardMostMove;
11332 cm = (ChessMove) Myylex();
11333 } while (cm == PGNTag || cm == Comment);
11340 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11341 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11342 != CMAIL_OLD_RESULT) {
11344 cmailResult[ CMAIL_MAX_GAMES
11345 - gn - 1] = CMAIL_OLD_RESULT;
11351 /* Only a NormalMove can be at the start of a game
11352 * without a position diagram. */
11353 if (lastLoadGameStart == EndOfFile ) {
11355 lastLoadGameStart = MoveNumberOne;
11364 if (appData.debugMode)
11365 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11367 if (cm == XBoardGame) {
11368 /* Skip any header junk before position diagram and/or move 1 */
11370 yyboardindex = forwardMostMove;
11371 cm = (ChessMove) Myylex();
11373 if (cm == EndOfFile ||
11374 cm == GNUChessGame || cm == XBoardGame) {
11375 /* Empty game; pretend end-of-file and handle later */
11380 if (cm == MoveNumberOne || cm == PositionDiagram ||
11381 cm == PGNTag || cm == Comment)
11384 } else if (cm == GNUChessGame) {
11385 if (gameInfo.event != NULL) {
11386 free(gameInfo.event);
11388 gameInfo.event = StrSave(yy_text);
11391 startedFromSetupPosition = FALSE;
11392 while (cm == PGNTag) {
11393 if (appData.debugMode)
11394 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11395 err = ParsePGNTag(yy_text, &gameInfo);
11396 if (!err) numPGNTags++;
11398 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11399 if(gameInfo.variant != oldVariant) {
11400 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11401 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11402 InitPosition(TRUE);
11403 oldVariant = gameInfo.variant;
11404 if (appData.debugMode)
11405 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11409 if (gameInfo.fen != NULL) {
11410 Board initial_position;
11411 startedFromSetupPosition = TRUE;
11412 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11414 DisplayError(_("Bad FEN position in file"), 0);
11417 CopyBoard(boards[0], initial_position);
11418 if (blackPlaysFirst) {
11419 currentMove = forwardMostMove = backwardMostMove = 1;
11420 CopyBoard(boards[1], initial_position);
11421 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11422 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11423 timeRemaining[0][1] = whiteTimeRemaining;
11424 timeRemaining[1][1] = blackTimeRemaining;
11425 if (commentList[0] != NULL) {
11426 commentList[1] = commentList[0];
11427 commentList[0] = NULL;
11430 currentMove = forwardMostMove = backwardMostMove = 0;
11432 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11434 initialRulePlies = FENrulePlies;
11435 for( i=0; i< nrCastlingRights; i++ )
11436 initialRights[i] = initial_position[CASTLING][i];
11438 yyboardindex = forwardMostMove;
11439 free(gameInfo.fen);
11440 gameInfo.fen = NULL;
11443 yyboardindex = forwardMostMove;
11444 cm = (ChessMove) Myylex();
11446 /* Handle comments interspersed among the tags */
11447 while (cm == Comment) {
11449 if (appData.debugMode)
11450 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11452 AppendComment(currentMove, p, FALSE);
11453 yyboardindex = forwardMostMove;
11454 cm = (ChessMove) Myylex();
11458 /* don't rely on existence of Event tag since if game was
11459 * pasted from clipboard the Event tag may not exist
11461 if (numPGNTags > 0){
11463 if (gameInfo.variant == VariantNormal) {
11464 VariantClass v = StringToVariant(gameInfo.event);
11465 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11466 if(v < VariantShogi) gameInfo.variant = v;
11469 if( appData.autoDisplayTags ) {
11470 tags = PGNTags(&gameInfo);
11471 TagsPopUp(tags, CmailMsg());
11476 /* Make something up, but don't display it now */
11481 if (cm == PositionDiagram) {
11484 Board initial_position;
11486 if (appData.debugMode)
11487 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11489 if (!startedFromSetupPosition) {
11491 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11492 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11503 initial_position[i][j++] = CharToPiece(*p);
11506 while (*p == ' ' || *p == '\t' ||
11507 *p == '\n' || *p == '\r') p++;
11509 if (strncmp(p, "black", strlen("black"))==0)
11510 blackPlaysFirst = TRUE;
11512 blackPlaysFirst = FALSE;
11513 startedFromSetupPosition = TRUE;
11515 CopyBoard(boards[0], initial_position);
11516 if (blackPlaysFirst) {
11517 currentMove = forwardMostMove = backwardMostMove = 1;
11518 CopyBoard(boards[1], initial_position);
11519 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11520 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11521 timeRemaining[0][1] = whiteTimeRemaining;
11522 timeRemaining[1][1] = blackTimeRemaining;
11523 if (commentList[0] != NULL) {
11524 commentList[1] = commentList[0];
11525 commentList[0] = NULL;
11528 currentMove = forwardMostMove = backwardMostMove = 0;
11531 yyboardindex = forwardMostMove;
11532 cm = (ChessMove) Myylex();
11535 if (first.pr == NoProc) {
11536 StartChessProgram(&first);
11538 InitChessProgram(&first, FALSE);
11539 SendToProgram("force\n", &first);
11540 if (startedFromSetupPosition) {
11541 SendBoard(&first, forwardMostMove);
11542 if (appData.debugMode) {
11543 fprintf(debugFP, "Load Game\n");
11545 DisplayBothClocks();
11548 /* [HGM] server: flag to write setup moves in broadcast file as one */
11549 loadFlag = appData.suppressLoadMoves;
11551 while (cm == Comment) {
11553 if (appData.debugMode)
11554 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11556 AppendComment(currentMove, p, FALSE);
11557 yyboardindex = forwardMostMove;
11558 cm = (ChessMove) Myylex();
11561 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11562 cm == WhiteWins || cm == BlackWins ||
11563 cm == GameIsDrawn || cm == GameUnfinished) {
11564 DisplayMessage("", _("No moves in game"));
11565 if (cmailMsgLoaded) {
11566 if (appData.debugMode)
11567 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11571 DrawPosition(FALSE, boards[currentMove]);
11572 DisplayBothClocks();
11573 gameMode = EditGame;
11580 // [HGM] PV info: routine tests if comment empty
11581 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11582 DisplayComment(currentMove - 1, commentList[currentMove]);
11584 if (!matchMode && appData.timeDelay != 0)
11585 DrawPosition(FALSE, boards[currentMove]);
11587 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11588 programStats.ok_to_send = 1;
11591 /* if the first token after the PGN tags is a move
11592 * and not move number 1, retrieve it from the parser
11594 if (cm != MoveNumberOne)
11595 LoadGameOneMove(cm);
11597 /* load the remaining moves from the file */
11598 while (LoadGameOneMove(EndOfFile)) {
11599 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11600 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11603 /* rewind to the start of the game */
11604 currentMove = backwardMostMove;
11606 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11608 if (oldGameMode == AnalyzeFile ||
11609 oldGameMode == AnalyzeMode) {
11610 AnalyzeFileEvent();
11613 if (!matchMode && pos >= 0) {
11614 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11616 if (matchMode || appData.timeDelay == 0) {
11618 } else if (appData.timeDelay > 0) {
11619 AutoPlayGameLoop();
11622 if (appData.debugMode)
11623 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11625 loadFlag = 0; /* [HGM] true game starts */
11629 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11631 ReloadPosition(offset)
11634 int positionNumber = lastLoadPositionNumber + offset;
11635 if (lastLoadPositionFP == NULL) {
11636 DisplayError(_("No position has been loaded yet"), 0);
11639 if (positionNumber <= 0) {
11640 DisplayError(_("Can't back up any further"), 0);
11643 return LoadPosition(lastLoadPositionFP, positionNumber,
11644 lastLoadPositionTitle);
11647 /* Load the nth position from the given file */
11649 LoadPositionFromFile(filename, n, title)
11657 if (strcmp(filename, "-") == 0) {
11658 return LoadPosition(stdin, n, "stdin");
11660 f = fopen(filename, "rb");
11662 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11663 DisplayError(buf, errno);
11666 return LoadPosition(f, n, title);
11671 /* Load the nth position from the given open file, and close it */
11673 LoadPosition(f, positionNumber, title)
11675 int positionNumber;
11678 char *p, line[MSG_SIZ];
11679 Board initial_position;
11680 int i, j, fenMode, pn;
11682 if (gameMode == Training )
11683 SetTrainingModeOff();
11685 if (gameMode != BeginningOfGame) {
11686 Reset(FALSE, TRUE);
11688 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
11689 fclose(lastLoadPositionFP);
11691 if (positionNumber == 0) positionNumber = 1;
11692 lastLoadPositionFP = f;
11693 lastLoadPositionNumber = positionNumber;
11694 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
11695 if (first.pr == NoProc) {
11696 StartChessProgram(&first);
11697 InitChessProgram(&first, FALSE);
11699 pn = positionNumber;
11700 if (positionNumber < 0) {
11701 /* Negative position number means to seek to that byte offset */
11702 if (fseek(f, -positionNumber, 0) == -1) {
11703 DisplayError(_("Can't seek on position file"), 0);
11708 if (fseek(f, 0, 0) == -1) {
11709 if (f == lastLoadPositionFP ?
11710 positionNumber == lastLoadPositionNumber + 1 :
11711 positionNumber == 1) {
11714 DisplayError(_("Can't seek on position file"), 0);
11719 /* See if this file is FEN or old-style xboard */
11720 if (fgets(line, MSG_SIZ, f) == NULL) {
11721 DisplayError(_("Position not found in file"), 0);
11724 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
11725 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
11728 if (fenMode || line[0] == '#') pn--;
11730 /* skip positions before number pn */
11731 if (fgets(line, MSG_SIZ, f) == NULL) {
11733 DisplayError(_("Position not found in file"), 0);
11736 if (fenMode || line[0] == '#') pn--;
11741 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
11742 DisplayError(_("Bad FEN position in file"), 0);
11746 (void) fgets(line, MSG_SIZ, f);
11747 (void) fgets(line, MSG_SIZ, f);
11749 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
11750 (void) fgets(line, MSG_SIZ, f);
11751 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
11754 initial_position[i][j++] = CharToPiece(*p);
11758 blackPlaysFirst = FALSE;
11760 (void) fgets(line, MSG_SIZ, f);
11761 if (strncmp(line, "black", strlen("black"))==0)
11762 blackPlaysFirst = TRUE;
11765 startedFromSetupPosition = TRUE;
11767 SendToProgram("force\n", &first);
11768 CopyBoard(boards[0], initial_position);
11769 if (blackPlaysFirst) {
11770 currentMove = forwardMostMove = backwardMostMove = 1;
11771 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11772 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11773 CopyBoard(boards[1], initial_position);
11774 DisplayMessage("", _("Black to play"));
11776 currentMove = forwardMostMove = backwardMostMove = 0;
11777 DisplayMessage("", _("White to play"));
11779 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
11780 SendBoard(&first, forwardMostMove);
11781 if (appData.debugMode) {
11783 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
11784 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
11785 fprintf(debugFP, "Load Position\n");
11788 if (positionNumber > 1) {
11789 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
11790 DisplayTitle(line);
11792 DisplayTitle(title);
11794 gameMode = EditGame;
11797 timeRemaining[0][1] = whiteTimeRemaining;
11798 timeRemaining[1][1] = blackTimeRemaining;
11799 DrawPosition(FALSE, boards[currentMove]);
11806 CopyPlayerNameIntoFileName(dest, src)
11809 while (*src != NULLCHAR && *src != ',') {
11814 *(*dest)++ = *src++;
11819 char *DefaultFileName(ext)
11822 static char def[MSG_SIZ];
11825 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
11827 CopyPlayerNameIntoFileName(&p, gameInfo.white);
11829 CopyPlayerNameIntoFileName(&p, gameInfo.black);
11831 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
11838 /* Save the current game to the given file */
11840 SaveGameToFile(filename, append)
11848 if (strcmp(filename, "-") == 0) {
11849 return SaveGame(stdout, 0, NULL);
11851 f = fopen(filename, append ? "a" : "w");
11853 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11854 DisplayError(buf, errno);
11857 safeStrCpy(buf, lastMsg, MSG_SIZ);
11858 DisplayMessage(_("Waiting for access to save file"), "");
11859 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
11860 DisplayMessage(_("Saving game"), "");
11861 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
11862 result = SaveGame(f, 0, NULL);
11863 DisplayMessage(buf, "");
11873 static char buf[MSG_SIZ];
11876 p = strchr(str, ' ');
11877 if (p == NULL) return str;
11878 strncpy(buf, str, p - str);
11879 buf[p - str] = NULLCHAR;
11883 #define PGN_MAX_LINE 75
11885 #define PGN_SIDE_WHITE 0
11886 #define PGN_SIDE_BLACK 1
11889 static int FindFirstMoveOutOfBook( int side )
11893 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
11894 int index = backwardMostMove;
11895 int has_book_hit = 0;
11897 if( (index % 2) != side ) {
11901 while( index < forwardMostMove ) {
11902 /* Check to see if engine is in book */
11903 int depth = pvInfoList[index].depth;
11904 int score = pvInfoList[index].score;
11910 else if( score == 0 && depth == 63 ) {
11911 in_book = 1; /* Zappa */
11913 else if( score == 2 && depth == 99 ) {
11914 in_book = 1; /* Abrok */
11917 has_book_hit += in_book;
11933 void GetOutOfBookInfo( char * buf )
11937 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11939 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
11940 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
11944 if( oob[0] >= 0 || oob[1] >= 0 ) {
11945 for( i=0; i<2; i++ ) {
11949 if( i > 0 && oob[0] >= 0 ) {
11950 strcat( buf, " " );
11953 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
11954 sprintf( buf+strlen(buf), "%s%.2f",
11955 pvInfoList[idx].score >= 0 ? "+" : "",
11956 pvInfoList[idx].score / 100.0 );
11962 /* Save game in PGN style and close the file */
11967 int i, offset, linelen, newblock;
11971 int movelen, numlen, blank;
11972 char move_buffer[100]; /* [AS] Buffer for move+PV info */
11974 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11976 tm = time((time_t *) NULL);
11978 PrintPGNTags(f, &gameInfo);
11980 if (backwardMostMove > 0 || startedFromSetupPosition) {
11981 char *fen = PositionToFEN(backwardMostMove, NULL);
11982 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
11983 fprintf(f, "\n{--------------\n");
11984 PrintPosition(f, backwardMostMove);
11985 fprintf(f, "--------------}\n");
11989 /* [AS] Out of book annotation */
11990 if( appData.saveOutOfBookInfo ) {
11993 GetOutOfBookInfo( buf );
11995 if( buf[0] != '\0' ) {
11996 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12003 i = backwardMostMove;
12007 while (i < forwardMostMove) {
12008 /* Print comments preceding this move */
12009 if (commentList[i] != NULL) {
12010 if (linelen > 0) fprintf(f, "\n");
12011 fprintf(f, "%s", commentList[i]);
12016 /* Format move number */
12018 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12021 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12023 numtext[0] = NULLCHAR;
12025 numlen = strlen(numtext);
12028 /* Print move number */
12029 blank = linelen > 0 && numlen > 0;
12030 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12039 fprintf(f, "%s", numtext);
12043 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12044 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12047 blank = linelen > 0 && movelen > 0;
12048 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12057 fprintf(f, "%s", move_buffer);
12058 linelen += movelen;
12060 /* [AS] Add PV info if present */
12061 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12062 /* [HGM] add time */
12063 char buf[MSG_SIZ]; int seconds;
12065 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12071 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12074 seconds = (seconds + 4)/10; // round to full seconds
12076 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12078 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12081 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12082 pvInfoList[i].score >= 0 ? "+" : "",
12083 pvInfoList[i].score / 100.0,
12084 pvInfoList[i].depth,
12087 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12089 /* Print score/depth */
12090 blank = linelen > 0 && movelen > 0;
12091 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12100 fprintf(f, "%s", move_buffer);
12101 linelen += movelen;
12107 /* Start a new line */
12108 if (linelen > 0) fprintf(f, "\n");
12110 /* Print comments after last move */
12111 if (commentList[i] != NULL) {
12112 fprintf(f, "%s\n", commentList[i]);
12116 if (gameInfo.resultDetails != NULL &&
12117 gameInfo.resultDetails[0] != NULLCHAR) {
12118 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12119 PGNResult(gameInfo.result));
12121 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12125 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12129 /* Save game in old style and close the file */
12131 SaveGameOldStyle(f)
12137 tm = time((time_t *) NULL);
12139 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12142 if (backwardMostMove > 0 || startedFromSetupPosition) {
12143 fprintf(f, "\n[--------------\n");
12144 PrintPosition(f, backwardMostMove);
12145 fprintf(f, "--------------]\n");
12150 i = backwardMostMove;
12151 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12153 while (i < forwardMostMove) {
12154 if (commentList[i] != NULL) {
12155 fprintf(f, "[%s]\n", commentList[i]);
12158 if ((i % 2) == 1) {
12159 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12162 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12164 if (commentList[i] != NULL) {
12168 if (i >= forwardMostMove) {
12172 fprintf(f, "%s\n", parseList[i]);
12177 if (commentList[i] != NULL) {
12178 fprintf(f, "[%s]\n", commentList[i]);
12181 /* This isn't really the old style, but it's close enough */
12182 if (gameInfo.resultDetails != NULL &&
12183 gameInfo.resultDetails[0] != NULLCHAR) {
12184 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12185 gameInfo.resultDetails);
12187 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12194 /* Save the current game to open file f and close the file */
12196 SaveGame(f, dummy, dummy2)
12201 if (gameMode == EditPosition) EditPositionDone(TRUE);
12202 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12203 if (appData.oldSaveStyle)
12204 return SaveGameOldStyle(f);
12206 return SaveGamePGN(f);
12209 /* Save the current position to the given file */
12211 SavePositionToFile(filename)
12217 if (strcmp(filename, "-") == 0) {
12218 return SavePosition(stdout, 0, NULL);
12220 f = fopen(filename, "a");
12222 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12223 DisplayError(buf, errno);
12226 safeStrCpy(buf, lastMsg, MSG_SIZ);
12227 DisplayMessage(_("Waiting for access to save file"), "");
12228 flock(fileno(f), LOCK_EX); // [HGM] lock
12229 DisplayMessage(_("Saving position"), "");
12230 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12231 SavePosition(f, 0, NULL);
12232 DisplayMessage(buf, "");
12238 /* Save the current position to the given open file and close the file */
12240 SavePosition(f, dummy, dummy2)
12248 if (gameMode == EditPosition) EditPositionDone(TRUE);
12249 if (appData.oldSaveStyle) {
12250 tm = time((time_t *) NULL);
12252 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12254 fprintf(f, "[--------------\n");
12255 PrintPosition(f, currentMove);
12256 fprintf(f, "--------------]\n");
12258 fen = PositionToFEN(currentMove, NULL);
12259 fprintf(f, "%s\n", fen);
12267 ReloadCmailMsgEvent(unregister)
12271 static char *inFilename = NULL;
12272 static char *outFilename;
12274 struct stat inbuf, outbuf;
12277 /* Any registered moves are unregistered if unregister is set, */
12278 /* i.e. invoked by the signal handler */
12280 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12281 cmailMoveRegistered[i] = FALSE;
12282 if (cmailCommentList[i] != NULL) {
12283 free(cmailCommentList[i]);
12284 cmailCommentList[i] = NULL;
12287 nCmailMovesRegistered = 0;
12290 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12291 cmailResult[i] = CMAIL_NOT_RESULT;
12295 if (inFilename == NULL) {
12296 /* Because the filenames are static they only get malloced once */
12297 /* and they never get freed */
12298 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12299 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12301 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12302 sprintf(outFilename, "%s.out", appData.cmailGameName);
12305 status = stat(outFilename, &outbuf);
12307 cmailMailedMove = FALSE;
12309 status = stat(inFilename, &inbuf);
12310 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12313 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12314 counts the games, notes how each one terminated, etc.
12316 It would be nice to remove this kludge and instead gather all
12317 the information while building the game list. (And to keep it
12318 in the game list nodes instead of having a bunch of fixed-size
12319 parallel arrays.) Note this will require getting each game's
12320 termination from the PGN tags, as the game list builder does
12321 not process the game moves. --mann
12323 cmailMsgLoaded = TRUE;
12324 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12326 /* Load first game in the file or popup game menu */
12327 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12329 #endif /* !WIN32 */
12337 char string[MSG_SIZ];
12339 if ( cmailMailedMove
12340 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12341 return TRUE; /* Allow free viewing */
12344 /* Unregister move to ensure that we don't leave RegisterMove */
12345 /* with the move registered when the conditions for registering no */
12347 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12348 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12349 nCmailMovesRegistered --;
12351 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12353 free(cmailCommentList[lastLoadGameNumber - 1]);
12354 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12358 if (cmailOldMove == -1) {
12359 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12363 if (currentMove > cmailOldMove + 1) {
12364 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12368 if (currentMove < cmailOldMove) {
12369 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12373 if (forwardMostMove > currentMove) {
12374 /* Silently truncate extra moves */
12378 if ( (currentMove == cmailOldMove + 1)
12379 || ( (currentMove == cmailOldMove)
12380 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12381 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12382 if (gameInfo.result != GameUnfinished) {
12383 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12386 if (commentList[currentMove] != NULL) {
12387 cmailCommentList[lastLoadGameNumber - 1]
12388 = StrSave(commentList[currentMove]);
12390 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12392 if (appData.debugMode)
12393 fprintf(debugFP, "Saving %s for game %d\n",
12394 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12396 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12398 f = fopen(string, "w");
12399 if (appData.oldSaveStyle) {
12400 SaveGameOldStyle(f); /* also closes the file */
12402 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12403 f = fopen(string, "w");
12404 SavePosition(f, 0, NULL); /* also closes the file */
12406 fprintf(f, "{--------------\n");
12407 PrintPosition(f, currentMove);
12408 fprintf(f, "--------------}\n\n");
12410 SaveGame(f, 0, NULL); /* also closes the file*/
12413 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12414 nCmailMovesRegistered ++;
12415 } else if (nCmailGames == 1) {
12416 DisplayError(_("You have not made a move yet"), 0);
12427 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12428 FILE *commandOutput;
12429 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12430 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12436 if (! cmailMsgLoaded) {
12437 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12441 if (nCmailGames == nCmailResults) {
12442 DisplayError(_("No unfinished games"), 0);
12446 #if CMAIL_PROHIBIT_REMAIL
12447 if (cmailMailedMove) {
12448 snprintf(msg, MSG_SIZ, _("You have already mailed a move.\nWait until a move arrives from your opponent.\nTo resend the same move, type\n\"cmail -remail -game %s\"\non the command line."), appData.cmailGameName);
12449 DisplayError(msg, 0);
12454 if (! (cmailMailedMove || RegisterMove())) return;
12456 if ( cmailMailedMove
12457 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12458 snprintf(string, MSG_SIZ, partCommandString,
12459 appData.debugMode ? " -v" : "", appData.cmailGameName);
12460 commandOutput = popen(string, "r");
12462 if (commandOutput == NULL) {
12463 DisplayError(_("Failed to invoke cmail"), 0);
12465 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12466 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12468 if (nBuffers > 1) {
12469 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12470 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12471 nBytes = MSG_SIZ - 1;
12473 (void) memcpy(msg, buffer, nBytes);
12475 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12477 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12478 cmailMailedMove = TRUE; /* Prevent >1 moves */
12481 for (i = 0; i < nCmailGames; i ++) {
12482 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12487 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12489 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12491 appData.cmailGameName,
12493 LoadGameFromFile(buffer, 1, buffer, FALSE);
12494 cmailMsgLoaded = FALSE;
12498 DisplayInformation(msg);
12499 pclose(commandOutput);
12502 if ((*cmailMsg) != '\0') {
12503 DisplayInformation(cmailMsg);
12508 #endif /* !WIN32 */
12517 int prependComma = 0;
12519 char string[MSG_SIZ]; /* Space for game-list */
12522 if (!cmailMsgLoaded) return "";
12524 if (cmailMailedMove) {
12525 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12527 /* Create a list of games left */
12528 snprintf(string, MSG_SIZ, "[");
12529 for (i = 0; i < nCmailGames; i ++) {
12530 if (! ( cmailMoveRegistered[i]
12531 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12532 if (prependComma) {
12533 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12535 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12539 strcat(string, number);
12542 strcat(string, "]");
12544 if (nCmailMovesRegistered + nCmailResults == 0) {
12545 switch (nCmailGames) {
12547 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12551 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12555 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12560 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12562 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12567 if (nCmailResults == nCmailGames) {
12568 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12570 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12575 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12587 if (gameMode == Training)
12588 SetTrainingModeOff();
12591 cmailMsgLoaded = FALSE;
12592 if (appData.icsActive) {
12593 SendToICS(ics_prefix);
12594 SendToICS("refresh\n");
12604 /* Give up on clean exit */
12608 /* Keep trying for clean exit */
12612 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12614 if (telnetISR != NULL) {
12615 RemoveInputSource(telnetISR);
12617 if (icsPR != NoProc) {
12618 DestroyChildProcess(icsPR, TRUE);
12621 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12622 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12624 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12625 /* make sure this other one finishes before killing it! */
12626 if(endingGame) { int count = 0;
12627 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12628 while(endingGame && count++ < 10) DoSleep(1);
12629 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12632 /* Kill off chess programs */
12633 if (first.pr != NoProc) {
12636 DoSleep( appData.delayBeforeQuit );
12637 SendToProgram("quit\n", &first);
12638 DoSleep( appData.delayAfterQuit );
12639 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12641 if (second.pr != NoProc) {
12642 DoSleep( appData.delayBeforeQuit );
12643 SendToProgram("quit\n", &second);
12644 DoSleep( appData.delayAfterQuit );
12645 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12647 if (first.isr != NULL) {
12648 RemoveInputSource(first.isr);
12650 if (second.isr != NULL) {
12651 RemoveInputSource(second.isr);
12654 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12655 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12657 ShutDownFrontEnd();
12664 if (appData.debugMode)
12665 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
12669 if (gameMode == MachinePlaysWhite ||
12670 gameMode == MachinePlaysBlack) {
12673 DisplayBothClocks();
12675 if (gameMode == PlayFromGameFile) {
12676 if (appData.timeDelay >= 0)
12677 AutoPlayGameLoop();
12678 } else if (gameMode == IcsExamining && pauseExamInvalid) {
12679 Reset(FALSE, TRUE);
12680 SendToICS(ics_prefix);
12681 SendToICS("refresh\n");
12682 } else if (currentMove < forwardMostMove) {
12683 ForwardInner(forwardMostMove);
12685 pauseExamInvalid = FALSE;
12687 switch (gameMode) {
12691 pauseExamForwardMostMove = forwardMostMove;
12692 pauseExamInvalid = FALSE;
12695 case IcsPlayingWhite:
12696 case IcsPlayingBlack:
12700 case PlayFromGameFile:
12701 (void) StopLoadGameTimer();
12705 case BeginningOfGame:
12706 if (appData.icsActive) return;
12707 /* else fall through */
12708 case MachinePlaysWhite:
12709 case MachinePlaysBlack:
12710 case TwoMachinesPlay:
12711 if (forwardMostMove == 0)
12712 return; /* don't pause if no one has moved */
12713 if ((gameMode == MachinePlaysWhite &&
12714 !WhiteOnMove(forwardMostMove)) ||
12715 (gameMode == MachinePlaysBlack &&
12716 WhiteOnMove(forwardMostMove))) {
12729 char title[MSG_SIZ];
12731 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
12732 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
12734 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
12735 WhiteOnMove(currentMove - 1) ? " " : ".. ",
12736 parseList[currentMove - 1]);
12739 EditCommentPopUp(currentMove, title, commentList[currentMove]);
12746 char *tags = PGNTags(&gameInfo);
12748 EditTagsPopUp(tags, NULL);
12755 if (appData.noChessProgram || gameMode == AnalyzeMode)
12758 if (gameMode != AnalyzeFile) {
12759 if (!appData.icsEngineAnalyze) {
12761 if (gameMode != EditGame) return;
12763 ResurrectChessProgram();
12764 SendToProgram("analyze\n", &first);
12765 first.analyzing = TRUE;
12766 /*first.maybeThinking = TRUE;*/
12767 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12768 EngineOutputPopUp();
12770 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
12775 StartAnalysisClock();
12776 GetTimeMark(&lastNodeCountTime);
12783 if (appData.noChessProgram || gameMode == AnalyzeFile)
12786 if (gameMode != AnalyzeMode) {
12788 if (gameMode != EditGame) return;
12789 ResurrectChessProgram();
12790 SendToProgram("analyze\n", &first);
12791 first.analyzing = TRUE;
12792 /*first.maybeThinking = TRUE;*/
12793 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12794 EngineOutputPopUp();
12796 gameMode = AnalyzeFile;
12801 StartAnalysisClock();
12802 GetTimeMark(&lastNodeCountTime);
12807 MachineWhiteEvent()
12810 char *bookHit = NULL;
12812 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
12816 if (gameMode == PlayFromGameFile ||
12817 gameMode == TwoMachinesPlay ||
12818 gameMode == Training ||
12819 gameMode == AnalyzeMode ||
12820 gameMode == EndOfGame)
12823 if (gameMode == EditPosition)
12824 EditPositionDone(TRUE);
12826 if (!WhiteOnMove(currentMove)) {
12827 DisplayError(_("It is not White's turn"), 0);
12831 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12834 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12835 gameMode == AnalyzeFile)
12838 ResurrectChessProgram(); /* in case it isn't running */
12839 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
12840 gameMode = MachinePlaysWhite;
12843 gameMode = MachinePlaysWhite;
12847 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12849 if (first.sendName) {
12850 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
12851 SendToProgram(buf, &first);
12853 if (first.sendTime) {
12854 if (first.useColors) {
12855 SendToProgram("black\n", &first); /*gnu kludge*/
12857 SendTimeRemaining(&first, TRUE);
12859 if (first.useColors) {
12860 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
12862 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12863 SetMachineThinkingEnables();
12864 first.maybeThinking = TRUE;
12868 if (appData.autoFlipView && !flipView) {
12869 flipView = !flipView;
12870 DrawPosition(FALSE, NULL);
12871 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12874 if(bookHit) { // [HGM] book: simulate book reply
12875 static char bookMove[MSG_SIZ]; // a bit generous?
12877 programStats.nodes = programStats.depth = programStats.time =
12878 programStats.score = programStats.got_only_move = 0;
12879 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12881 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12882 strcat(bookMove, bookHit);
12883 HandleMachineMove(bookMove, &first);
12888 MachineBlackEvent()
12891 char *bookHit = NULL;
12893 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
12897 if (gameMode == PlayFromGameFile ||
12898 gameMode == TwoMachinesPlay ||
12899 gameMode == Training ||
12900 gameMode == AnalyzeMode ||
12901 gameMode == EndOfGame)
12904 if (gameMode == EditPosition)
12905 EditPositionDone(TRUE);
12907 if (WhiteOnMove(currentMove)) {
12908 DisplayError(_("It is not Black's turn"), 0);
12912 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12915 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12916 gameMode == AnalyzeFile)
12919 ResurrectChessProgram(); /* in case it isn't running */
12920 gameMode = MachinePlaysBlack;
12924 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12926 if (first.sendName) {
12927 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
12928 SendToProgram(buf, &first);
12930 if (first.sendTime) {
12931 if (first.useColors) {
12932 SendToProgram("white\n", &first); /*gnu kludge*/
12934 SendTimeRemaining(&first, FALSE);
12936 if (first.useColors) {
12937 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
12939 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12940 SetMachineThinkingEnables();
12941 first.maybeThinking = TRUE;
12944 if (appData.autoFlipView && flipView) {
12945 flipView = !flipView;
12946 DrawPosition(FALSE, NULL);
12947 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12949 if(bookHit) { // [HGM] book: simulate book reply
12950 static char bookMove[MSG_SIZ]; // a bit generous?
12952 programStats.nodes = programStats.depth = programStats.time =
12953 programStats.score = programStats.got_only_move = 0;
12954 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12956 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12957 strcat(bookMove, bookHit);
12958 HandleMachineMove(bookMove, &first);
12964 DisplayTwoMachinesTitle()
12967 if (appData.matchGames > 0) {
12968 if(appData.tourneyFile[0]) {
12969 snprintf(buf, MSG_SIZ, "%s vs. %s (%d/%d%s)",
12970 gameInfo.white, gameInfo.black,
12971 nextGame+1, appData.matchGames+1,
12972 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
12974 if (first.twoMachinesColor[0] == 'w') {
12975 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12976 gameInfo.white, gameInfo.black,
12977 first.matchWins, second.matchWins,
12978 matchGame - 1 - (first.matchWins + second.matchWins));
12980 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12981 gameInfo.white, gameInfo.black,
12982 second.matchWins, first.matchWins,
12983 matchGame - 1 - (first.matchWins + second.matchWins));
12986 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12992 SettingsMenuIfReady()
12994 if (second.lastPing != second.lastPong) {
12995 DisplayMessage("", _("Waiting for second chess program"));
12996 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13000 DisplayMessage("", "");
13001 SettingsPopUp(&second);
13005 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
13008 if (cps->pr == NULL) {
13009 StartChessProgram(cps);
13010 if (cps->protocolVersion == 1) {
13013 /* kludge: allow timeout for initial "feature" command */
13015 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13016 DisplayMessage("", buf);
13017 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13025 TwoMachinesEvent P((void))
13029 ChessProgramState *onmove;
13030 char *bookHit = NULL;
13031 static int stalling = 0;
13035 if (appData.noChessProgram) return;
13037 switch (gameMode) {
13038 case TwoMachinesPlay:
13040 case MachinePlaysWhite:
13041 case MachinePlaysBlack:
13042 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13043 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13047 case BeginningOfGame:
13048 case PlayFromGameFile:
13051 if (gameMode != EditGame) return;
13054 EditPositionDone(TRUE);
13065 // forwardMostMove = currentMove;
13066 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13068 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13070 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13071 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13072 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13076 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13077 SendToProgram("force\n", &second);
13079 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13082 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13083 if(appData.matchPause>10000 || appData.matchPause<10)
13084 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13085 wait = SubtractTimeMarks(&now, &pauseStart);
13086 if(wait < appData.matchPause) {
13087 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13091 DisplayMessage("", "");
13092 if (startedFromSetupPosition) {
13093 SendBoard(&second, backwardMostMove);
13094 if (appData.debugMode) {
13095 fprintf(debugFP, "Two Machines\n");
13098 for (i = backwardMostMove; i < forwardMostMove; i++) {
13099 SendMoveToProgram(i, &second);
13102 gameMode = TwoMachinesPlay;
13104 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13106 DisplayTwoMachinesTitle();
13108 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13113 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13114 SendToProgram(first.computerString, &first);
13115 if (first.sendName) {
13116 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13117 SendToProgram(buf, &first);
13119 SendToProgram(second.computerString, &second);
13120 if (second.sendName) {
13121 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13122 SendToProgram(buf, &second);
13126 if (!first.sendTime || !second.sendTime) {
13127 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13128 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13130 if (onmove->sendTime) {
13131 if (onmove->useColors) {
13132 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13134 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13136 if (onmove->useColors) {
13137 SendToProgram(onmove->twoMachinesColor, onmove);
13139 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13140 // SendToProgram("go\n", onmove);
13141 onmove->maybeThinking = TRUE;
13142 SetMachineThinkingEnables();
13146 if(bookHit) { // [HGM] book: simulate book reply
13147 static char bookMove[MSG_SIZ]; // a bit generous?
13149 programStats.nodes = programStats.depth = programStats.time =
13150 programStats.score = programStats.got_only_move = 0;
13151 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13153 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13154 strcat(bookMove, bookHit);
13155 savedMessage = bookMove; // args for deferred call
13156 savedState = onmove;
13157 ScheduleDelayedEvent(DeferredBookMove, 1);
13164 if (gameMode == Training) {
13165 SetTrainingModeOff();
13166 gameMode = PlayFromGameFile;
13167 DisplayMessage("", _("Training mode off"));
13169 gameMode = Training;
13170 animateTraining = appData.animate;
13172 /* make sure we are not already at the end of the game */
13173 if (currentMove < forwardMostMove) {
13174 SetTrainingModeOn();
13175 DisplayMessage("", _("Training mode on"));
13177 gameMode = PlayFromGameFile;
13178 DisplayError(_("Already at end of game"), 0);
13187 if (!appData.icsActive) return;
13188 switch (gameMode) {
13189 case IcsPlayingWhite:
13190 case IcsPlayingBlack:
13193 case BeginningOfGame:
13201 EditPositionDone(TRUE);
13214 gameMode = IcsIdle;
13225 switch (gameMode) {
13227 SetTrainingModeOff();
13229 case MachinePlaysWhite:
13230 case MachinePlaysBlack:
13231 case BeginningOfGame:
13232 SendToProgram("force\n", &first);
13233 SetUserThinkingEnables();
13235 case PlayFromGameFile:
13236 (void) StopLoadGameTimer();
13237 if (gameFileFP != NULL) {
13242 EditPositionDone(TRUE);
13247 SendToProgram("force\n", &first);
13249 case TwoMachinesPlay:
13250 GameEnds(EndOfFile, NULL, GE_PLAYER);
13251 ResurrectChessProgram();
13252 SetUserThinkingEnables();
13255 ResurrectChessProgram();
13257 case IcsPlayingBlack:
13258 case IcsPlayingWhite:
13259 DisplayError(_("Warning: You are still playing a game"), 0);
13262 DisplayError(_("Warning: You are still observing a game"), 0);
13265 DisplayError(_("Warning: You are still examining a game"), 0);
13276 first.offeredDraw = second.offeredDraw = 0;
13278 if (gameMode == PlayFromGameFile) {
13279 whiteTimeRemaining = timeRemaining[0][currentMove];
13280 blackTimeRemaining = timeRemaining[1][currentMove];
13284 if (gameMode == MachinePlaysWhite ||
13285 gameMode == MachinePlaysBlack ||
13286 gameMode == TwoMachinesPlay ||
13287 gameMode == EndOfGame) {
13288 i = forwardMostMove;
13289 while (i > currentMove) {
13290 SendToProgram("undo\n", &first);
13293 whiteTimeRemaining = timeRemaining[0][currentMove];
13294 blackTimeRemaining = timeRemaining[1][currentMove];
13295 DisplayBothClocks();
13296 if (whiteFlag || blackFlag) {
13297 whiteFlag = blackFlag = 0;
13302 gameMode = EditGame;
13309 EditPositionEvent()
13311 if (gameMode == EditPosition) {
13317 if (gameMode != EditGame) return;
13319 gameMode = EditPosition;
13322 if (currentMove > 0)
13323 CopyBoard(boards[0], boards[currentMove]);
13325 blackPlaysFirst = !WhiteOnMove(currentMove);
13327 currentMove = forwardMostMove = backwardMostMove = 0;
13328 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13335 /* [DM] icsEngineAnalyze - possible call from other functions */
13336 if (appData.icsEngineAnalyze) {
13337 appData.icsEngineAnalyze = FALSE;
13339 DisplayMessage("",_("Close ICS engine analyze..."));
13341 if (first.analysisSupport && first.analyzing) {
13342 SendToProgram("exit\n", &first);
13343 first.analyzing = FALSE;
13345 thinkOutput[0] = NULLCHAR;
13349 EditPositionDone(Boolean fakeRights)
13351 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13353 startedFromSetupPosition = TRUE;
13354 InitChessProgram(&first, FALSE);
13355 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13356 boards[0][EP_STATUS] = EP_NONE;
13357 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13358 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13359 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13360 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13361 } else boards[0][CASTLING][2] = NoRights;
13362 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13363 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13364 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13365 } else boards[0][CASTLING][5] = NoRights;
13367 SendToProgram("force\n", &first);
13368 if (blackPlaysFirst) {
13369 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13370 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13371 currentMove = forwardMostMove = backwardMostMove = 1;
13372 CopyBoard(boards[1], boards[0]);
13374 currentMove = forwardMostMove = backwardMostMove = 0;
13376 SendBoard(&first, forwardMostMove);
13377 if (appData.debugMode) {
13378 fprintf(debugFP, "EditPosDone\n");
13381 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13382 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13383 gameMode = EditGame;
13385 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13386 ClearHighlights(); /* [AS] */
13389 /* Pause for `ms' milliseconds */
13390 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13400 } while (SubtractTimeMarks(&m2, &m1) < ms);
13403 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13405 SendMultiLineToICS(buf)
13408 char temp[MSG_SIZ+1], *p;
13415 strncpy(temp, buf, len);
13420 if (*p == '\n' || *p == '\r')
13425 strcat(temp, "\n");
13427 SendToPlayer(temp, strlen(temp));
13431 SetWhiteToPlayEvent()
13433 if (gameMode == EditPosition) {
13434 blackPlaysFirst = FALSE;
13435 DisplayBothClocks(); /* works because currentMove is 0 */
13436 } else if (gameMode == IcsExamining) {
13437 SendToICS(ics_prefix);
13438 SendToICS("tomove white\n");
13443 SetBlackToPlayEvent()
13445 if (gameMode == EditPosition) {
13446 blackPlaysFirst = TRUE;
13447 currentMove = 1; /* kludge */
13448 DisplayBothClocks();
13450 } else if (gameMode == IcsExamining) {
13451 SendToICS(ics_prefix);
13452 SendToICS("tomove black\n");
13457 EditPositionMenuEvent(selection, x, y)
13458 ChessSquare selection;
13462 ChessSquare piece = boards[0][y][x];
13464 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13466 switch (selection) {
13468 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13469 SendToICS(ics_prefix);
13470 SendToICS("bsetup clear\n");
13471 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13472 SendToICS(ics_prefix);
13473 SendToICS("clearboard\n");
13475 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13476 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13477 for (y = 0; y < BOARD_HEIGHT; y++) {
13478 if (gameMode == IcsExamining) {
13479 if (boards[currentMove][y][x] != EmptySquare) {
13480 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13485 boards[0][y][x] = p;
13490 if (gameMode == EditPosition) {
13491 DrawPosition(FALSE, boards[0]);
13496 SetWhiteToPlayEvent();
13500 SetBlackToPlayEvent();
13504 if (gameMode == IcsExamining) {
13505 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13506 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13509 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13510 if(x == BOARD_LEFT-2) {
13511 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13512 boards[0][y][1] = 0;
13514 if(x == BOARD_RGHT+1) {
13515 if(y >= gameInfo.holdingsSize) break;
13516 boards[0][y][BOARD_WIDTH-2] = 0;
13519 boards[0][y][x] = EmptySquare;
13520 DrawPosition(FALSE, boards[0]);
13525 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13526 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13527 selection = (ChessSquare) (PROMOTED piece);
13528 } else if(piece == EmptySquare) selection = WhiteSilver;
13529 else selection = (ChessSquare)((int)piece - 1);
13533 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13534 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13535 selection = (ChessSquare) (DEMOTED piece);
13536 } else if(piece == EmptySquare) selection = BlackSilver;
13537 else selection = (ChessSquare)((int)piece + 1);
13542 if(gameInfo.variant == VariantShatranj ||
13543 gameInfo.variant == VariantXiangqi ||
13544 gameInfo.variant == VariantCourier ||
13545 gameInfo.variant == VariantMakruk )
13546 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13551 if(gameInfo.variant == VariantXiangqi)
13552 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13553 if(gameInfo.variant == VariantKnightmate)
13554 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13557 if (gameMode == IcsExamining) {
13558 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13559 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13560 PieceToChar(selection), AAA + x, ONE + y);
13563 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13565 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13566 n = PieceToNumber(selection - BlackPawn);
13567 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13568 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13569 boards[0][BOARD_HEIGHT-1-n][1]++;
13571 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13572 n = PieceToNumber(selection);
13573 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13574 boards[0][n][BOARD_WIDTH-1] = selection;
13575 boards[0][n][BOARD_WIDTH-2]++;
13578 boards[0][y][x] = selection;
13579 DrawPosition(TRUE, boards[0]);
13587 DropMenuEvent(selection, x, y)
13588 ChessSquare selection;
13591 ChessMove moveType;
13593 switch (gameMode) {
13594 case IcsPlayingWhite:
13595 case MachinePlaysBlack:
13596 if (!WhiteOnMove(currentMove)) {
13597 DisplayMoveError(_("It is Black's turn"));
13600 moveType = WhiteDrop;
13602 case IcsPlayingBlack:
13603 case MachinePlaysWhite:
13604 if (WhiteOnMove(currentMove)) {
13605 DisplayMoveError(_("It is White's turn"));
13608 moveType = BlackDrop;
13611 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13617 if (moveType == BlackDrop && selection < BlackPawn) {
13618 selection = (ChessSquare) ((int) selection
13619 + (int) BlackPawn - (int) WhitePawn);
13621 if (boards[currentMove][y][x] != EmptySquare) {
13622 DisplayMoveError(_("That square is occupied"));
13626 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13632 /* Accept a pending offer of any kind from opponent */
13634 if (appData.icsActive) {
13635 SendToICS(ics_prefix);
13636 SendToICS("accept\n");
13637 } else if (cmailMsgLoaded) {
13638 if (currentMove == cmailOldMove &&
13639 commentList[cmailOldMove] != NULL &&
13640 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13641 "Black offers a draw" : "White offers a draw")) {
13643 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13644 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13646 DisplayError(_("There is no pending offer on this move"), 0);
13647 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13650 /* Not used for offers from chess program */
13657 /* Decline a pending offer of any kind from opponent */
13659 if (appData.icsActive) {
13660 SendToICS(ics_prefix);
13661 SendToICS("decline\n");
13662 } else if (cmailMsgLoaded) {
13663 if (currentMove == cmailOldMove &&
13664 commentList[cmailOldMove] != NULL &&
13665 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13666 "Black offers a draw" : "White offers a draw")) {
13668 AppendComment(cmailOldMove, "Draw declined", TRUE);
13669 DisplayComment(cmailOldMove - 1, "Draw declined");
13672 DisplayError(_("There is no pending offer on this move"), 0);
13675 /* Not used for offers from chess program */
13682 /* Issue ICS rematch command */
13683 if (appData.icsActive) {
13684 SendToICS(ics_prefix);
13685 SendToICS("rematch\n");
13692 /* Call your opponent's flag (claim a win on time) */
13693 if (appData.icsActive) {
13694 SendToICS(ics_prefix);
13695 SendToICS("flag\n");
13697 switch (gameMode) {
13700 case MachinePlaysWhite:
13703 GameEnds(GameIsDrawn, "Both players ran out of time",
13706 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
13708 DisplayError(_("Your opponent is not out of time"), 0);
13711 case MachinePlaysBlack:
13714 GameEnds(GameIsDrawn, "Both players ran out of time",
13717 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
13719 DisplayError(_("Your opponent is not out of time"), 0);
13727 ClockClick(int which)
13728 { // [HGM] code moved to back-end from winboard.c
13729 if(which) { // black clock
13730 if (gameMode == EditPosition || gameMode == IcsExamining) {
13731 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13732 SetBlackToPlayEvent();
13733 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
13734 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
13735 } else if (shiftKey) {
13736 AdjustClock(which, -1);
13737 } else if (gameMode == IcsPlayingWhite ||
13738 gameMode == MachinePlaysBlack) {
13741 } else { // white clock
13742 if (gameMode == EditPosition || gameMode == IcsExamining) {
13743 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13744 SetWhiteToPlayEvent();
13745 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
13746 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
13747 } else if (shiftKey) {
13748 AdjustClock(which, -1);
13749 } else if (gameMode == IcsPlayingBlack ||
13750 gameMode == MachinePlaysWhite) {
13759 /* Offer draw or accept pending draw offer from opponent */
13761 if (appData.icsActive) {
13762 /* Note: tournament rules require draw offers to be
13763 made after you make your move but before you punch
13764 your clock. Currently ICS doesn't let you do that;
13765 instead, you immediately punch your clock after making
13766 a move, but you can offer a draw at any time. */
13768 SendToICS(ics_prefix);
13769 SendToICS("draw\n");
13770 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
13771 } else if (cmailMsgLoaded) {
13772 if (currentMove == cmailOldMove &&
13773 commentList[cmailOldMove] != NULL &&
13774 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13775 "Black offers a draw" : "White offers a draw")) {
13776 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13777 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13778 } else if (currentMove == cmailOldMove + 1) {
13779 char *offer = WhiteOnMove(cmailOldMove) ?
13780 "White offers a draw" : "Black offers a draw";
13781 AppendComment(currentMove, offer, TRUE);
13782 DisplayComment(currentMove - 1, offer);
13783 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
13785 DisplayError(_("You must make your move before offering a draw"), 0);
13786 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13788 } else if (first.offeredDraw) {
13789 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
13791 if (first.sendDrawOffers) {
13792 SendToProgram("draw\n", &first);
13793 userOfferedDraw = TRUE;
13801 /* Offer Adjourn or accept pending Adjourn offer from opponent */
13803 if (appData.icsActive) {
13804 SendToICS(ics_prefix);
13805 SendToICS("adjourn\n");
13807 /* Currently GNU Chess doesn't offer or accept Adjourns */
13815 /* Offer Abort or accept pending Abort offer from opponent */
13817 if (appData.icsActive) {
13818 SendToICS(ics_prefix);
13819 SendToICS("abort\n");
13821 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
13828 /* Resign. You can do this even if it's not your turn. */
13830 if (appData.icsActive) {
13831 SendToICS(ics_prefix);
13832 SendToICS("resign\n");
13834 switch (gameMode) {
13835 case MachinePlaysWhite:
13836 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13838 case MachinePlaysBlack:
13839 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13842 if (cmailMsgLoaded) {
13844 if (WhiteOnMove(cmailOldMove)) {
13845 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13847 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13849 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
13860 StopObservingEvent()
13862 /* Stop observing current games */
13863 SendToICS(ics_prefix);
13864 SendToICS("unobserve\n");
13868 StopExaminingEvent()
13870 /* Stop observing current game */
13871 SendToICS(ics_prefix);
13872 SendToICS("unexamine\n");
13876 ForwardInner(target)
13881 if (appData.debugMode)
13882 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
13883 target, currentMove, forwardMostMove);
13885 if (gameMode == EditPosition)
13888 if (gameMode == PlayFromGameFile && !pausing)
13891 if (gameMode == IcsExamining && pausing)
13892 limit = pauseExamForwardMostMove;
13894 limit = forwardMostMove;
13896 if (target > limit) target = limit;
13898 if (target > 0 && moveList[target - 1][0]) {
13899 int fromX, fromY, toX, toY;
13900 toX = moveList[target - 1][2] - AAA;
13901 toY = moveList[target - 1][3] - ONE;
13902 if (moveList[target - 1][1] == '@') {
13903 if (appData.highlightLastMove) {
13904 SetHighlights(-1, -1, toX, toY);
13907 fromX = moveList[target - 1][0] - AAA;
13908 fromY = moveList[target - 1][1] - ONE;
13909 if (target == currentMove + 1) {
13910 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
13912 if (appData.highlightLastMove) {
13913 SetHighlights(fromX, fromY, toX, toY);
13917 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13918 gameMode == Training || gameMode == PlayFromGameFile ||
13919 gameMode == AnalyzeFile) {
13920 while (currentMove < target) {
13921 SendMoveToProgram(currentMove++, &first);
13924 currentMove = target;
13927 if (gameMode == EditGame || gameMode == EndOfGame) {
13928 whiteTimeRemaining = timeRemaining[0][currentMove];
13929 blackTimeRemaining = timeRemaining[1][currentMove];
13931 DisplayBothClocks();
13932 DisplayMove(currentMove - 1);
13933 DrawPosition(FALSE, boards[currentMove]);
13934 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13935 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
13936 DisplayComment(currentMove - 1, commentList[currentMove]);
13938 DisplayBook(currentMove);
13945 if (gameMode == IcsExamining && !pausing) {
13946 SendToICS(ics_prefix);
13947 SendToICS("forward\n");
13949 ForwardInner(currentMove + 1);
13956 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13957 /* to optimze, we temporarily turn off analysis mode while we feed
13958 * the remaining moves to the engine. Otherwise we get analysis output
13961 if (first.analysisSupport) {
13962 SendToProgram("exit\nforce\n", &first);
13963 first.analyzing = FALSE;
13967 if (gameMode == IcsExamining && !pausing) {
13968 SendToICS(ics_prefix);
13969 SendToICS("forward 999999\n");
13971 ForwardInner(forwardMostMove);
13974 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13975 /* we have fed all the moves, so reactivate analysis mode */
13976 SendToProgram("analyze\n", &first);
13977 first.analyzing = TRUE;
13978 /*first.maybeThinking = TRUE;*/
13979 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13984 BackwardInner(target)
13987 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
13989 if (appData.debugMode)
13990 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
13991 target, currentMove, forwardMostMove);
13993 if (gameMode == EditPosition) return;
13994 if (currentMove <= backwardMostMove) {
13996 DrawPosition(full_redraw, boards[currentMove]);
13999 if (gameMode == PlayFromGameFile && !pausing)
14002 if (moveList[target][0]) {
14003 int fromX, fromY, toX, toY;
14004 toX = moveList[target][2] - AAA;
14005 toY = moveList[target][3] - ONE;
14006 if (moveList[target][1] == '@') {
14007 if (appData.highlightLastMove) {
14008 SetHighlights(-1, -1, toX, toY);
14011 fromX = moveList[target][0] - AAA;
14012 fromY = moveList[target][1] - ONE;
14013 if (target == currentMove - 1) {
14014 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14016 if (appData.highlightLastMove) {
14017 SetHighlights(fromX, fromY, toX, toY);
14021 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14022 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14023 while (currentMove > target) {
14024 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14025 // null move cannot be undone. Reload program with move history before it.
14027 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14028 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14030 SendBoard(&first, i);
14031 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14034 SendToProgram("undo\n", &first);
14038 currentMove = target;
14041 if (gameMode == EditGame || gameMode == EndOfGame) {
14042 whiteTimeRemaining = timeRemaining[0][currentMove];
14043 blackTimeRemaining = timeRemaining[1][currentMove];
14045 DisplayBothClocks();
14046 DisplayMove(currentMove - 1);
14047 DrawPosition(full_redraw, boards[currentMove]);
14048 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14049 // [HGM] PV info: routine tests if comment empty
14050 DisplayComment(currentMove - 1, commentList[currentMove]);
14051 DisplayBook(currentMove);
14057 if (gameMode == IcsExamining && !pausing) {
14058 SendToICS(ics_prefix);
14059 SendToICS("backward\n");
14061 BackwardInner(currentMove - 1);
14068 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14069 /* to optimize, we temporarily turn off analysis mode while we undo
14070 * all the moves. Otherwise we get analysis output after each undo.
14072 if (first.analysisSupport) {
14073 SendToProgram("exit\nforce\n", &first);
14074 first.analyzing = FALSE;
14078 if (gameMode == IcsExamining && !pausing) {
14079 SendToICS(ics_prefix);
14080 SendToICS("backward 999999\n");
14082 BackwardInner(backwardMostMove);
14085 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14086 /* we have fed all the moves, so reactivate analysis mode */
14087 SendToProgram("analyze\n", &first);
14088 first.analyzing = TRUE;
14089 /*first.maybeThinking = TRUE;*/
14090 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14097 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14098 if (to >= forwardMostMove) to = forwardMostMove;
14099 if (to <= backwardMostMove) to = backwardMostMove;
14100 if (to < currentMove) {
14108 RevertEvent(Boolean annotate)
14110 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14113 if (gameMode != IcsExamining) {
14114 DisplayError(_("You are not examining a game"), 0);
14118 DisplayError(_("You can't revert while pausing"), 0);
14121 SendToICS(ics_prefix);
14122 SendToICS("revert\n");
14128 switch (gameMode) {
14129 case MachinePlaysWhite:
14130 case MachinePlaysBlack:
14131 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14132 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14135 if (forwardMostMove < 2) return;
14136 currentMove = forwardMostMove = forwardMostMove - 2;
14137 whiteTimeRemaining = timeRemaining[0][currentMove];
14138 blackTimeRemaining = timeRemaining[1][currentMove];
14139 DisplayBothClocks();
14140 DisplayMove(currentMove - 1);
14141 ClearHighlights();/*!! could figure this out*/
14142 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14143 SendToProgram("remove\n", &first);
14144 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14147 case BeginningOfGame:
14151 case IcsPlayingWhite:
14152 case IcsPlayingBlack:
14153 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14154 SendToICS(ics_prefix);
14155 SendToICS("takeback 2\n");
14157 SendToICS(ics_prefix);
14158 SendToICS("takeback 1\n");
14167 ChessProgramState *cps;
14169 switch (gameMode) {
14170 case MachinePlaysWhite:
14171 if (!WhiteOnMove(forwardMostMove)) {
14172 DisplayError(_("It is your turn"), 0);
14177 case MachinePlaysBlack:
14178 if (WhiteOnMove(forwardMostMove)) {
14179 DisplayError(_("It is your turn"), 0);
14184 case TwoMachinesPlay:
14185 if (WhiteOnMove(forwardMostMove) ==
14186 (first.twoMachinesColor[0] == 'w')) {
14192 case BeginningOfGame:
14196 SendToProgram("?\n", cps);
14200 TruncateGameEvent()
14203 if (gameMode != EditGame) return;
14210 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14211 if (forwardMostMove > currentMove) {
14212 if (gameInfo.resultDetails != NULL) {
14213 free(gameInfo.resultDetails);
14214 gameInfo.resultDetails = NULL;
14215 gameInfo.result = GameUnfinished;
14217 forwardMostMove = currentMove;
14218 HistorySet(parseList, backwardMostMove, forwardMostMove,
14226 if (appData.noChessProgram) return;
14227 switch (gameMode) {
14228 case MachinePlaysWhite:
14229 if (WhiteOnMove(forwardMostMove)) {
14230 DisplayError(_("Wait until your turn"), 0);
14234 case BeginningOfGame:
14235 case MachinePlaysBlack:
14236 if (!WhiteOnMove(forwardMostMove)) {
14237 DisplayError(_("Wait until your turn"), 0);
14242 DisplayError(_("No hint available"), 0);
14245 SendToProgram("hint\n", &first);
14246 hintRequested = TRUE;
14252 if (appData.noChessProgram) return;
14253 switch (gameMode) {
14254 case MachinePlaysWhite:
14255 if (WhiteOnMove(forwardMostMove)) {
14256 DisplayError(_("Wait until your turn"), 0);
14260 case BeginningOfGame:
14261 case MachinePlaysBlack:
14262 if (!WhiteOnMove(forwardMostMove)) {
14263 DisplayError(_("Wait until your turn"), 0);
14268 EditPositionDone(TRUE);
14270 case TwoMachinesPlay:
14275 SendToProgram("bk\n", &first);
14276 bookOutput[0] = NULLCHAR;
14277 bookRequested = TRUE;
14283 char *tags = PGNTags(&gameInfo);
14284 TagsPopUp(tags, CmailMsg());
14288 /* end button procedures */
14291 PrintPosition(fp, move)
14297 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14298 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14299 char c = PieceToChar(boards[move][i][j]);
14300 fputc(c == 'x' ? '.' : c, fp);
14301 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14304 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14305 fprintf(fp, "white to play\n");
14307 fprintf(fp, "black to play\n");
14314 if (gameInfo.white != NULL) {
14315 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14321 /* Find last component of program's own name, using some heuristics */
14323 TidyProgramName(prog, host, buf)
14324 char *prog, *host, buf[MSG_SIZ];
14327 int local = (strcmp(host, "localhost") == 0);
14328 while (!local && (p = strchr(prog, ';')) != NULL) {
14330 while (*p == ' ') p++;
14333 if (*prog == '"' || *prog == '\'') {
14334 q = strchr(prog + 1, *prog);
14336 q = strchr(prog, ' ');
14338 if (q == NULL) q = prog + strlen(prog);
14340 while (p >= prog && *p != '/' && *p != '\\') p--;
14342 if(p == prog && *p == '"') p++;
14343 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14344 memcpy(buf, p, q - p);
14345 buf[q - p] = NULLCHAR;
14353 TimeControlTagValue()
14356 if (!appData.clockMode) {
14357 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14358 } else if (movesPerSession > 0) {
14359 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14360 } else if (timeIncrement == 0) {
14361 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14363 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14365 return StrSave(buf);
14371 /* This routine is used only for certain modes */
14372 VariantClass v = gameInfo.variant;
14373 ChessMove r = GameUnfinished;
14376 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14377 r = gameInfo.result;
14378 p = gameInfo.resultDetails;
14379 gameInfo.resultDetails = NULL;
14381 ClearGameInfo(&gameInfo);
14382 gameInfo.variant = v;
14384 switch (gameMode) {
14385 case MachinePlaysWhite:
14386 gameInfo.event = StrSave( appData.pgnEventHeader );
14387 gameInfo.site = StrSave(HostName());
14388 gameInfo.date = PGNDate();
14389 gameInfo.round = StrSave("-");
14390 gameInfo.white = StrSave(first.tidy);
14391 gameInfo.black = StrSave(UserName());
14392 gameInfo.timeControl = TimeControlTagValue();
14395 case MachinePlaysBlack:
14396 gameInfo.event = StrSave( appData.pgnEventHeader );
14397 gameInfo.site = StrSave(HostName());
14398 gameInfo.date = PGNDate();
14399 gameInfo.round = StrSave("-");
14400 gameInfo.white = StrSave(UserName());
14401 gameInfo.black = StrSave(first.tidy);
14402 gameInfo.timeControl = TimeControlTagValue();
14405 case TwoMachinesPlay:
14406 gameInfo.event = StrSave( appData.pgnEventHeader );
14407 gameInfo.site = StrSave(HostName());
14408 gameInfo.date = PGNDate();
14411 snprintf(buf, MSG_SIZ, "%d", roundNr);
14412 gameInfo.round = StrSave(buf);
14414 gameInfo.round = StrSave("-");
14416 if (first.twoMachinesColor[0] == 'w') {
14417 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14418 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14420 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14421 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14423 gameInfo.timeControl = TimeControlTagValue();
14427 gameInfo.event = StrSave("Edited game");
14428 gameInfo.site = StrSave(HostName());
14429 gameInfo.date = PGNDate();
14430 gameInfo.round = StrSave("-");
14431 gameInfo.white = StrSave("-");
14432 gameInfo.black = StrSave("-");
14433 gameInfo.result = r;
14434 gameInfo.resultDetails = p;
14438 gameInfo.event = StrSave("Edited position");
14439 gameInfo.site = StrSave(HostName());
14440 gameInfo.date = PGNDate();
14441 gameInfo.round = StrSave("-");
14442 gameInfo.white = StrSave("-");
14443 gameInfo.black = StrSave("-");
14446 case IcsPlayingWhite:
14447 case IcsPlayingBlack:
14452 case PlayFromGameFile:
14453 gameInfo.event = StrSave("Game from non-PGN file");
14454 gameInfo.site = StrSave(HostName());
14455 gameInfo.date = PGNDate();
14456 gameInfo.round = StrSave("-");
14457 gameInfo.white = StrSave("?");
14458 gameInfo.black = StrSave("?");
14467 ReplaceComment(index, text)
14475 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14476 pvInfoList[index-1].depth == len &&
14477 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14478 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14479 while (*text == '\n') text++;
14480 len = strlen(text);
14481 while (len > 0 && text[len - 1] == '\n') len--;
14483 if (commentList[index] != NULL)
14484 free(commentList[index]);
14487 commentList[index] = NULL;
14490 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14491 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14492 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14493 commentList[index] = (char *) malloc(len + 2);
14494 strncpy(commentList[index], text, len);
14495 commentList[index][len] = '\n';
14496 commentList[index][len + 1] = NULLCHAR;
14498 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14500 commentList[index] = (char *) malloc(len + 7);
14501 safeStrCpy(commentList[index], "{\n", 3);
14502 safeStrCpy(commentList[index]+2, text, len+1);
14503 commentList[index][len+2] = NULLCHAR;
14504 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14505 strcat(commentList[index], "\n}\n");
14519 if (ch == '\r') continue;
14521 } while (ch != '\0');
14525 AppendComment(index, text, addBraces)
14528 Boolean addBraces; // [HGM] braces: tells if we should add {}
14533 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14534 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14537 while (*text == '\n') text++;
14538 len = strlen(text);
14539 while (len > 0 && text[len - 1] == '\n') len--;
14541 if (len == 0) return;
14543 if (commentList[index] != NULL) {
14544 old = commentList[index];
14545 oldlen = strlen(old);
14546 while(commentList[index][oldlen-1] == '\n')
14547 commentList[index][--oldlen] = NULLCHAR;
14548 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14549 safeStrCpy(commentList[index], old, oldlen + len + 6);
14551 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14552 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14553 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14554 while (*text == '\n') { text++; len--; }
14555 commentList[index][--oldlen] = NULLCHAR;
14557 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14558 else strcat(commentList[index], "\n");
14559 strcat(commentList[index], text);
14560 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
14561 else strcat(commentList[index], "\n");
14563 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14565 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14566 else commentList[index][0] = NULLCHAR;
14567 strcat(commentList[index], text);
14568 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14569 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14573 static char * FindStr( char * text, char * sub_text )
14575 char * result = strstr( text, sub_text );
14577 if( result != NULL ) {
14578 result += strlen( sub_text );
14584 /* [AS] Try to extract PV info from PGN comment */
14585 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14586 char *GetInfoFromComment( int index, char * text )
14588 char * sep = text, *p;
14590 if( text != NULL && index > 0 ) {
14593 int time = -1, sec = 0, deci;
14594 char * s_eval = FindStr( text, "[%eval " );
14595 char * s_emt = FindStr( text, "[%emt " );
14597 if( s_eval != NULL || s_emt != NULL ) {
14601 if( s_eval != NULL ) {
14602 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14606 if( delim != ']' ) {
14611 if( s_emt != NULL ) {
14616 /* We expect something like: [+|-]nnn.nn/dd */
14619 if(*text != '{') return text; // [HGM] braces: must be normal comment
14621 sep = strchr( text, '/' );
14622 if( sep == NULL || sep < (text+4) ) {
14627 if(p[1] == '(') { // comment starts with PV
14628 p = strchr(p, ')'); // locate end of PV
14629 if(p == NULL || sep < p+5) return text;
14630 // at this point we have something like "{(.*) +0.23/6 ..."
14631 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14632 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14633 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14635 time = -1; sec = -1; deci = -1;
14636 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14637 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14638 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14639 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14643 if( score_lo < 0 || score_lo >= 100 ) {
14647 if(sec >= 0) time = 600*time + 10*sec; else
14648 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14650 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14652 /* [HGM] PV time: now locate end of PV info */
14653 while( *++sep >= '0' && *sep <= '9'); // strip depth
14655 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14657 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14659 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14660 while(*sep == ' ') sep++;
14671 pvInfoList[index-1].depth = depth;
14672 pvInfoList[index-1].score = score;
14673 pvInfoList[index-1].time = 10*time; // centi-sec
14674 if(*sep == '}') *sep = 0; else *--sep = '{';
14675 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
14681 SendToProgram(message, cps)
14683 ChessProgramState *cps;
14685 int count, outCount, error;
14688 if (cps->pr == NULL) return;
14691 if (appData.debugMode) {
14694 fprintf(debugFP, "%ld >%-6s: %s",
14695 SubtractTimeMarks(&now, &programStartTime),
14696 cps->which, message);
14699 count = strlen(message);
14700 outCount = OutputToProcess(cps->pr, message, count, &error);
14701 if (outCount < count && !exiting
14702 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
14703 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14704 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
14705 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14706 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14707 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14708 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14709 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14711 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14712 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14713 gameInfo.result = res;
14715 gameInfo.resultDetails = StrSave(buf);
14717 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14718 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14723 ReceiveFromProgram(isr, closure, message, count, error)
14724 InputSourceRef isr;
14732 ChessProgramState *cps = (ChessProgramState *)closure;
14734 if (isr != cps->isr) return; /* Killed intentionally */
14737 RemoveInputSource(cps->isr);
14738 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14739 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
14740 _(cps->which), cps->program);
14741 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14742 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14743 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14744 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14745 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14747 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14748 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14749 gameInfo.result = res;
14751 gameInfo.resultDetails = StrSave(buf);
14753 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14754 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
14756 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
14757 _(cps->which), cps->program);
14758 RemoveInputSource(cps->isr);
14760 /* [AS] Program is misbehaving badly... kill it */
14761 if( count == -2 ) {
14762 DestroyChildProcess( cps->pr, 9 );
14766 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14771 if ((end_str = strchr(message, '\r')) != NULL)
14772 *end_str = NULLCHAR;
14773 if ((end_str = strchr(message, '\n')) != NULL)
14774 *end_str = NULLCHAR;
14776 if (appData.debugMode) {
14777 TimeMark now; int print = 1;
14778 char *quote = ""; char c; int i;
14780 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
14781 char start = message[0];
14782 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
14783 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
14784 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
14785 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
14786 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
14787 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
14788 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
14789 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
14790 sscanf(message, "hint: %c", &c)!=1 &&
14791 sscanf(message, "pong %c", &c)!=1 && start != '#') {
14792 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
14793 print = (appData.engineComments >= 2);
14795 message[0] = start; // restore original message
14799 fprintf(debugFP, "%ld <%-6s: %s%s\n",
14800 SubtractTimeMarks(&now, &programStartTime), cps->which,
14806 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
14807 if (appData.icsEngineAnalyze) {
14808 if (strstr(message, "whisper") != NULL ||
14809 strstr(message, "kibitz") != NULL ||
14810 strstr(message, "tellics") != NULL) return;
14813 HandleMachineMove(message, cps);
14818 SendTimeControl(cps, mps, tc, inc, sd, st)
14819 ChessProgramState *cps;
14820 int mps, inc, sd, st;
14826 if( timeControl_2 > 0 ) {
14827 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
14828 tc = timeControl_2;
14831 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
14832 inc /= cps->timeOdds;
14833 st /= cps->timeOdds;
14835 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
14838 /* Set exact time per move, normally using st command */
14839 if (cps->stKludge) {
14840 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
14842 if (seconds == 0) {
14843 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
14845 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
14848 snprintf(buf, MSG_SIZ, "st %d\n", st);
14851 /* Set conventional or incremental time control, using level command */
14852 if (seconds == 0) {
14853 /* Note old gnuchess bug -- minutes:seconds used to not work.
14854 Fixed in later versions, but still avoid :seconds
14855 when seconds is 0. */
14856 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
14858 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
14859 seconds, inc/1000.);
14862 SendToProgram(buf, cps);
14864 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
14865 /* Orthogonally, limit search to given depth */
14867 if (cps->sdKludge) {
14868 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
14870 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
14872 SendToProgram(buf, cps);
14875 if(cps->nps >= 0) { /* [HGM] nps */
14876 if(cps->supportsNPS == FALSE)
14877 cps->nps = -1; // don't use if engine explicitly says not supported!
14879 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
14880 SendToProgram(buf, cps);
14885 ChessProgramState *WhitePlayer()
14886 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
14888 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
14889 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
14895 SendTimeRemaining(cps, machineWhite)
14896 ChessProgramState *cps;
14897 int /*boolean*/ machineWhite;
14899 char message[MSG_SIZ];
14902 /* Note: this routine must be called when the clocks are stopped
14903 or when they have *just* been set or switched; otherwise
14904 it will be off by the time since the current tick started.
14906 if (machineWhite) {
14907 time = whiteTimeRemaining / 10;
14908 otime = blackTimeRemaining / 10;
14910 time = blackTimeRemaining / 10;
14911 otime = whiteTimeRemaining / 10;
14913 /* [HGM] translate opponent's time by time-odds factor */
14914 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
14915 if (appData.debugMode) {
14916 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
14919 if (time <= 0) time = 1;
14920 if (otime <= 0) otime = 1;
14922 snprintf(message, MSG_SIZ, "time %ld\n", time);
14923 SendToProgram(message, cps);
14925 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
14926 SendToProgram(message, cps);
14930 BoolFeature(p, name, loc, cps)
14934 ChessProgramState *cps;
14937 int len = strlen(name);
14940 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14942 sscanf(*p, "%d", &val);
14944 while (**p && **p != ' ')
14946 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14947 SendToProgram(buf, cps);
14954 IntFeature(p, name, loc, cps)
14958 ChessProgramState *cps;
14961 int len = strlen(name);
14962 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14964 sscanf(*p, "%d", loc);
14965 while (**p && **p != ' ') (*p)++;
14966 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14967 SendToProgram(buf, cps);
14974 StringFeature(p, name, loc, cps)
14978 ChessProgramState *cps;
14981 int len = strlen(name);
14982 if (strncmp((*p), name, len) == 0
14983 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
14985 sscanf(*p, "%[^\"]", loc);
14986 while (**p && **p != '\"') (*p)++;
14987 if (**p == '\"') (*p)++;
14988 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14989 SendToProgram(buf, cps);
14996 ParseOption(Option *opt, ChessProgramState *cps)
14997 // [HGM] options: process the string that defines an engine option, and determine
14998 // name, type, default value, and allowed value range
15000 char *p, *q, buf[MSG_SIZ];
15001 int n, min = (-1)<<31, max = 1<<31, def;
15003 if(p = strstr(opt->name, " -spin ")) {
15004 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15005 if(max < min) max = min; // enforce consistency
15006 if(def < min) def = min;
15007 if(def > max) def = max;
15012 } else if((p = strstr(opt->name, " -slider "))) {
15013 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15014 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15015 if(max < min) max = min; // enforce consistency
15016 if(def < min) def = min;
15017 if(def > max) def = max;
15021 opt->type = Spin; // Slider;
15022 } else if((p = strstr(opt->name, " -string "))) {
15023 opt->textValue = p+9;
15024 opt->type = TextBox;
15025 } else if((p = strstr(opt->name, " -file "))) {
15026 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15027 opt->textValue = p+7;
15028 opt->type = FileName; // FileName;
15029 } else if((p = strstr(opt->name, " -path "))) {
15030 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15031 opt->textValue = p+7;
15032 opt->type = PathName; // PathName;
15033 } else if(p = strstr(opt->name, " -check ")) {
15034 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15035 opt->value = (def != 0);
15036 opt->type = CheckBox;
15037 } else if(p = strstr(opt->name, " -combo ")) {
15038 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15039 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15040 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15041 opt->value = n = 0;
15042 while(q = StrStr(q, " /// ")) {
15043 n++; *q = 0; // count choices, and null-terminate each of them
15045 if(*q == '*') { // remember default, which is marked with * prefix
15049 cps->comboList[cps->comboCnt++] = q;
15051 cps->comboList[cps->comboCnt++] = NULL;
15053 opt->type = ComboBox;
15054 } else if(p = strstr(opt->name, " -button")) {
15055 opt->type = Button;
15056 } else if(p = strstr(opt->name, " -save")) {
15057 opt->type = SaveButton;
15058 } else return FALSE;
15059 *p = 0; // terminate option name
15060 // now look if the command-line options define a setting for this engine option.
15061 if(cps->optionSettings && cps->optionSettings[0])
15062 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15063 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15064 snprintf(buf, MSG_SIZ, "option %s", p);
15065 if(p = strstr(buf, ",")) *p = 0;
15066 if(q = strchr(buf, '=')) switch(opt->type) {
15068 for(n=0; n<opt->max; n++)
15069 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15072 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15076 opt->value = atoi(q+1);
15081 SendToProgram(buf, cps);
15087 FeatureDone(cps, val)
15088 ChessProgramState* cps;
15091 DelayedEventCallback cb = GetDelayedEvent();
15092 if ((cb == InitBackEnd3 && cps == &first) ||
15093 (cb == SettingsMenuIfReady && cps == &second) ||
15094 (cb == LoadEngine) ||
15095 (cb == TwoMachinesEventIfReady)) {
15096 CancelDelayedEvent();
15097 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15099 cps->initDone = val;
15102 /* Parse feature command from engine */
15104 ParseFeatures(args, cps)
15106 ChessProgramState *cps;
15114 while (*p == ' ') p++;
15115 if (*p == NULLCHAR) return;
15117 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15118 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15119 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15120 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15121 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15122 if (BoolFeature(&p, "reuse", &val, cps)) {
15123 /* Engine can disable reuse, but can't enable it if user said no */
15124 if (!val) cps->reuse = FALSE;
15127 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15128 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
15129 if (gameMode == TwoMachinesPlay) {
15130 DisplayTwoMachinesTitle();
15136 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
15137 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15138 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15139 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15140 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15141 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15142 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15143 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15144 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15145 if (IntFeature(&p, "done", &val, cps)) {
15146 FeatureDone(cps, val);
15149 /* Added by Tord: */
15150 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15151 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15152 /* End of additions by Tord */
15154 /* [HGM] added features: */
15155 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15156 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15157 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15158 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15159 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15160 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
15161 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
15162 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15163 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15164 SendToProgram(buf, cps);
15167 if(cps->nrOptions >= MAX_OPTIONS) {
15169 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15170 DisplayError(buf, 0);
15174 /* End of additions by HGM */
15176 /* unknown feature: complain and skip */
15178 while (*q && *q != '=') q++;
15179 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15180 SendToProgram(buf, cps);
15186 while (*p && *p != '\"') p++;
15187 if (*p == '\"') p++;
15189 while (*p && *p != ' ') p++;
15197 PeriodicUpdatesEvent(newState)
15200 if (newState == appData.periodicUpdates)
15203 appData.periodicUpdates=newState;
15205 /* Display type changes, so update it now */
15206 // DisplayAnalysis();
15208 /* Get the ball rolling again... */
15210 AnalysisPeriodicEvent(1);
15211 StartAnalysisClock();
15216 PonderNextMoveEvent(newState)
15219 if (newState == appData.ponderNextMove) return;
15220 if (gameMode == EditPosition) EditPositionDone(TRUE);
15222 SendToProgram("hard\n", &first);
15223 if (gameMode == TwoMachinesPlay) {
15224 SendToProgram("hard\n", &second);
15227 SendToProgram("easy\n", &first);
15228 thinkOutput[0] = NULLCHAR;
15229 if (gameMode == TwoMachinesPlay) {
15230 SendToProgram("easy\n", &second);
15233 appData.ponderNextMove = newState;
15237 NewSettingEvent(option, feature, command, value)
15239 int option, value, *feature;
15243 if (gameMode == EditPosition) EditPositionDone(TRUE);
15244 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15245 if(feature == NULL || *feature) SendToProgram(buf, &first);
15246 if (gameMode == TwoMachinesPlay) {
15247 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15252 ShowThinkingEvent()
15253 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15255 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15256 int newState = appData.showThinking
15257 // [HGM] thinking: other features now need thinking output as well
15258 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15260 if (oldState == newState) return;
15261 oldState = newState;
15262 if (gameMode == EditPosition) EditPositionDone(TRUE);
15264 SendToProgram("post\n", &first);
15265 if (gameMode == TwoMachinesPlay) {
15266 SendToProgram("post\n", &second);
15269 SendToProgram("nopost\n", &first);
15270 thinkOutput[0] = NULLCHAR;
15271 if (gameMode == TwoMachinesPlay) {
15272 SendToProgram("nopost\n", &second);
15275 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15279 AskQuestionEvent(title, question, replyPrefix, which)
15280 char *title; char *question; char *replyPrefix; char *which;
15282 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15283 if (pr == NoProc) return;
15284 AskQuestion(title, question, replyPrefix, pr);
15288 TypeInEvent(char firstChar)
15290 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15291 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15292 gameMode == AnalyzeMode || gameMode == EditGame ||
15293 gameMode == EditPosition || gameMode == IcsExamining ||
15294 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15295 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15296 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15297 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15298 gameMode == Training) PopUpMoveDialog(firstChar);
15302 TypeInDoneEvent(char *move)
15305 int n, fromX, fromY, toX, toY;
15307 ChessMove moveType;
15310 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15311 EditPositionPasteFEN(move);
15314 // [HGM] movenum: allow move number to be typed in any mode
15315 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15320 if (gameMode != EditGame && currentMove != forwardMostMove &&
15321 gameMode != Training) {
15322 DisplayMoveError(_("Displayed move is not current"));
15324 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15325 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15326 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15327 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15328 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15329 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15331 DisplayMoveError(_("Could not parse move"));
15337 DisplayMove(moveNumber)
15340 char message[MSG_SIZ];
15342 char cpThinkOutput[MSG_SIZ];
15344 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15346 if (moveNumber == forwardMostMove - 1 ||
15347 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15349 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15351 if (strchr(cpThinkOutput, '\n')) {
15352 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15355 *cpThinkOutput = NULLCHAR;
15358 /* [AS] Hide thinking from human user */
15359 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15360 *cpThinkOutput = NULLCHAR;
15361 if( thinkOutput[0] != NULLCHAR ) {
15364 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15365 cpThinkOutput[i] = '.';
15367 cpThinkOutput[i] = NULLCHAR;
15368 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15372 if (moveNumber == forwardMostMove - 1 &&
15373 gameInfo.resultDetails != NULL) {
15374 if (gameInfo.resultDetails[0] == NULLCHAR) {
15375 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15377 snprintf(res, MSG_SIZ, " {%s} %s",
15378 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15384 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15385 DisplayMessage(res, cpThinkOutput);
15387 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15388 WhiteOnMove(moveNumber) ? " " : ".. ",
15389 parseList[moveNumber], res);
15390 DisplayMessage(message, cpThinkOutput);
15395 DisplayComment(moveNumber, text)
15399 char title[MSG_SIZ];
15401 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15402 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15404 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15405 WhiteOnMove(moveNumber) ? " " : ".. ",
15406 parseList[moveNumber]);
15408 if (text != NULL && (appData.autoDisplayComment || commentUp))
15409 CommentPopUp(title, text);
15412 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15413 * might be busy thinking or pondering. It can be omitted if your
15414 * gnuchess is configured to stop thinking immediately on any user
15415 * input. However, that gnuchess feature depends on the FIONREAD
15416 * ioctl, which does not work properly on some flavors of Unix.
15420 ChessProgramState *cps;
15423 if (!cps->useSigint) return;
15424 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15425 switch (gameMode) {
15426 case MachinePlaysWhite:
15427 case MachinePlaysBlack:
15428 case TwoMachinesPlay:
15429 case IcsPlayingWhite:
15430 case IcsPlayingBlack:
15433 /* Skip if we know it isn't thinking */
15434 if (!cps->maybeThinking) return;
15435 if (appData.debugMode)
15436 fprintf(debugFP, "Interrupting %s\n", cps->which);
15437 InterruptChildProcess(cps->pr);
15438 cps->maybeThinking = FALSE;
15443 #endif /*ATTENTION*/
15449 if (whiteTimeRemaining <= 0) {
15452 if (appData.icsActive) {
15453 if (appData.autoCallFlag &&
15454 gameMode == IcsPlayingBlack && !blackFlag) {
15455 SendToICS(ics_prefix);
15456 SendToICS("flag\n");
15460 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15462 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15463 if (appData.autoCallFlag) {
15464 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15471 if (blackTimeRemaining <= 0) {
15474 if (appData.icsActive) {
15475 if (appData.autoCallFlag &&
15476 gameMode == IcsPlayingWhite && !whiteFlag) {
15477 SendToICS(ics_prefix);
15478 SendToICS("flag\n");
15482 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15484 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15485 if (appData.autoCallFlag) {
15486 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15499 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15500 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15503 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15505 if ( !WhiteOnMove(forwardMostMove) ) {
15506 /* White made time control */
15507 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15508 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15509 /* [HGM] time odds: correct new time quota for time odds! */
15510 / WhitePlayer()->timeOdds;
15511 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15513 lastBlack -= blackTimeRemaining;
15514 /* Black made time control */
15515 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15516 / WhitePlayer()->other->timeOdds;
15517 lastWhite = whiteTimeRemaining;
15522 DisplayBothClocks()
15524 int wom = gameMode == EditPosition ?
15525 !blackPlaysFirst : WhiteOnMove(currentMove);
15526 DisplayWhiteClock(whiteTimeRemaining, wom);
15527 DisplayBlackClock(blackTimeRemaining, !wom);
15531 /* Timekeeping seems to be a portability nightmare. I think everyone
15532 has ftime(), but I'm really not sure, so I'm including some ifdefs
15533 to use other calls if you don't. Clocks will be less accurate if
15534 you have neither ftime nor gettimeofday.
15537 /* VS 2008 requires the #include outside of the function */
15538 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15539 #include <sys/timeb.h>
15542 /* Get the current time as a TimeMark */
15547 #if HAVE_GETTIMEOFDAY
15549 struct timeval timeVal;
15550 struct timezone timeZone;
15552 gettimeofday(&timeVal, &timeZone);
15553 tm->sec = (long) timeVal.tv_sec;
15554 tm->ms = (int) (timeVal.tv_usec / 1000L);
15556 #else /*!HAVE_GETTIMEOFDAY*/
15559 // include <sys/timeb.h> / moved to just above start of function
15560 struct timeb timeB;
15563 tm->sec = (long) timeB.time;
15564 tm->ms = (int) timeB.millitm;
15566 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15567 tm->sec = (long) time(NULL);
15573 /* Return the difference in milliseconds between two
15574 time marks. We assume the difference will fit in a long!
15577 SubtractTimeMarks(tm2, tm1)
15578 TimeMark *tm2, *tm1;
15580 return 1000L*(tm2->sec - tm1->sec) +
15581 (long) (tm2->ms - tm1->ms);
15586 * Code to manage the game clocks.
15588 * In tournament play, black starts the clock and then white makes a move.
15589 * We give the human user a slight advantage if he is playing white---the
15590 * clocks don't run until he makes his first move, so it takes zero time.
15591 * Also, we don't account for network lag, so we could get out of sync
15592 * with GNU Chess's clock -- but then, referees are always right.
15595 static TimeMark tickStartTM;
15596 static long intendedTickLength;
15599 NextTickLength(timeRemaining)
15600 long timeRemaining;
15602 long nominalTickLength, nextTickLength;
15604 if (timeRemaining > 0L && timeRemaining <= 10000L)
15605 nominalTickLength = 100L;
15607 nominalTickLength = 1000L;
15608 nextTickLength = timeRemaining % nominalTickLength;
15609 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15611 return nextTickLength;
15614 /* Adjust clock one minute up or down */
15616 AdjustClock(Boolean which, int dir)
15618 if(which) blackTimeRemaining += 60000*dir;
15619 else whiteTimeRemaining += 60000*dir;
15620 DisplayBothClocks();
15623 /* Stop clocks and reset to a fresh time control */
15627 (void) StopClockTimer();
15628 if (appData.icsActive) {
15629 whiteTimeRemaining = blackTimeRemaining = 0;
15630 } else if (searchTime) {
15631 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15632 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15633 } else { /* [HGM] correct new time quote for time odds */
15634 whiteTC = blackTC = fullTimeControlString;
15635 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15636 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15638 if (whiteFlag || blackFlag) {
15640 whiteFlag = blackFlag = FALSE;
15642 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15643 DisplayBothClocks();
15646 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15648 /* Decrement running clock by amount of time that has passed */
15652 long timeRemaining;
15653 long lastTickLength, fudge;
15656 if (!appData.clockMode) return;
15657 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15661 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15663 /* Fudge if we woke up a little too soon */
15664 fudge = intendedTickLength - lastTickLength;
15665 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15667 if (WhiteOnMove(forwardMostMove)) {
15668 if(whiteNPS >= 0) lastTickLength = 0;
15669 timeRemaining = whiteTimeRemaining -= lastTickLength;
15670 if(timeRemaining < 0 && !appData.icsActive) {
15671 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15672 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15673 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15674 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15677 DisplayWhiteClock(whiteTimeRemaining - fudge,
15678 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15680 if(blackNPS >= 0) lastTickLength = 0;
15681 timeRemaining = blackTimeRemaining -= lastTickLength;
15682 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15683 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15685 blackStartMove = forwardMostMove;
15686 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15689 DisplayBlackClock(blackTimeRemaining - fudge,
15690 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15692 if (CheckFlags()) return;
15695 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15696 StartClockTimer(intendedTickLength);
15698 /* if the time remaining has fallen below the alarm threshold, sound the
15699 * alarm. if the alarm has sounded and (due to a takeback or time control
15700 * with increment) the time remaining has increased to a level above the
15701 * threshold, reset the alarm so it can sound again.
15704 if (appData.icsActive && appData.icsAlarm) {
15706 /* make sure we are dealing with the user's clock */
15707 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
15708 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
15711 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
15712 alarmSounded = FALSE;
15713 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
15715 alarmSounded = TRUE;
15721 /* A player has just moved, so stop the previously running
15722 clock and (if in clock mode) start the other one.
15723 We redisplay both clocks in case we're in ICS mode, because
15724 ICS gives us an update to both clocks after every move.
15725 Note that this routine is called *after* forwardMostMove
15726 is updated, so the last fractional tick must be subtracted
15727 from the color that is *not* on move now.
15730 SwitchClocks(int newMoveNr)
15732 long lastTickLength;
15734 int flagged = FALSE;
15738 if (StopClockTimer() && appData.clockMode) {
15739 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15740 if (!WhiteOnMove(forwardMostMove)) {
15741 if(blackNPS >= 0) lastTickLength = 0;
15742 blackTimeRemaining -= lastTickLength;
15743 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15744 // if(pvInfoList[forwardMostMove].time == -1)
15745 pvInfoList[forwardMostMove].time = // use GUI time
15746 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
15748 if(whiteNPS >= 0) lastTickLength = 0;
15749 whiteTimeRemaining -= lastTickLength;
15750 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15751 // if(pvInfoList[forwardMostMove].time == -1)
15752 pvInfoList[forwardMostMove].time =
15753 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
15755 flagged = CheckFlags();
15757 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
15758 CheckTimeControl();
15760 if (flagged || !appData.clockMode) return;
15762 switch (gameMode) {
15763 case MachinePlaysBlack:
15764 case MachinePlaysWhite:
15765 case BeginningOfGame:
15766 if (pausing) return;
15770 case PlayFromGameFile:
15778 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
15779 if(WhiteOnMove(forwardMostMove))
15780 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15781 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15785 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15786 whiteTimeRemaining : blackTimeRemaining);
15787 StartClockTimer(intendedTickLength);
15791 /* Stop both clocks */
15795 long lastTickLength;
15798 if (!StopClockTimer()) return;
15799 if (!appData.clockMode) return;
15803 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15804 if (WhiteOnMove(forwardMostMove)) {
15805 if(whiteNPS >= 0) lastTickLength = 0;
15806 whiteTimeRemaining -= lastTickLength;
15807 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
15809 if(blackNPS >= 0) lastTickLength = 0;
15810 blackTimeRemaining -= lastTickLength;
15811 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
15816 /* Start clock of player on move. Time may have been reset, so
15817 if clock is already running, stop and restart it. */
15821 (void) StopClockTimer(); /* in case it was running already */
15822 DisplayBothClocks();
15823 if (CheckFlags()) return;
15825 if (!appData.clockMode) return;
15826 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
15828 GetTimeMark(&tickStartTM);
15829 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15830 whiteTimeRemaining : blackTimeRemaining);
15832 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
15833 whiteNPS = blackNPS = -1;
15834 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
15835 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
15836 whiteNPS = first.nps;
15837 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
15838 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
15839 blackNPS = first.nps;
15840 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
15841 whiteNPS = second.nps;
15842 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
15843 blackNPS = second.nps;
15844 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
15846 StartClockTimer(intendedTickLength);
15853 long second, minute, hour, day;
15855 static char buf[32];
15857 if (ms > 0 && ms <= 9900) {
15858 /* convert milliseconds to tenths, rounding up */
15859 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
15861 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
15865 /* convert milliseconds to seconds, rounding up */
15866 /* use floating point to avoid strangeness of integer division
15867 with negative dividends on many machines */
15868 second = (long) floor(((double) (ms + 999L)) / 1000.0);
15875 day = second / (60 * 60 * 24);
15876 second = second % (60 * 60 * 24);
15877 hour = second / (60 * 60);
15878 second = second % (60 * 60);
15879 minute = second / 60;
15880 second = second % 60;
15883 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
15884 sign, day, hour, minute, second);
15886 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
15888 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
15895 * This is necessary because some C libraries aren't ANSI C compliant yet.
15898 StrStr(string, match)
15899 char *string, *match;
15903 length = strlen(match);
15905 for (i = strlen(string) - length; i >= 0; i--, string++)
15906 if (!strncmp(match, string, length))
15913 StrCaseStr(string, match)
15914 char *string, *match;
15918 length = strlen(match);
15920 for (i = strlen(string) - length; i >= 0; i--, string++) {
15921 for (j = 0; j < length; j++) {
15922 if (ToLower(match[j]) != ToLower(string[j]))
15925 if (j == length) return string;
15939 c1 = ToLower(*s1++);
15940 c2 = ToLower(*s2++);
15941 if (c1 > c2) return 1;
15942 if (c1 < c2) return -1;
15943 if (c1 == NULLCHAR) return 0;
15952 return isupper(c) ? tolower(c) : c;
15960 return islower(c) ? toupper(c) : c;
15962 #endif /* !_amigados */
15970 if ((ret = (char *) malloc(strlen(s) + 1)))
15972 safeStrCpy(ret, s, strlen(s)+1);
15978 StrSavePtr(s, savePtr)
15979 char *s, **savePtr;
15984 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
15985 safeStrCpy(*savePtr, s, strlen(s)+1);
15997 clock = time((time_t *)NULL);
15998 tm = localtime(&clock);
15999 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16000 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16001 return StrSave(buf);
16006 PositionToFEN(move, overrideCastling)
16008 char *overrideCastling;
16010 int i, j, fromX, fromY, toX, toY;
16017 whiteToPlay = (gameMode == EditPosition) ?
16018 !blackPlaysFirst : (move % 2 == 0);
16021 /* Piece placement data */
16022 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16023 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16025 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16026 if (boards[move][i][j] == EmptySquare) {
16028 } else { ChessSquare piece = boards[move][i][j];
16029 if (emptycount > 0) {
16030 if(emptycount<10) /* [HGM] can be >= 10 */
16031 *p++ = '0' + emptycount;
16032 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16035 if(PieceToChar(piece) == '+') {
16036 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16038 piece = (ChessSquare)(DEMOTED piece);
16040 *p++ = PieceToChar(piece);
16042 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16043 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16048 if (emptycount > 0) {
16049 if(emptycount<10) /* [HGM] can be >= 10 */
16050 *p++ = '0' + emptycount;
16051 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16058 /* [HGM] print Crazyhouse or Shogi holdings */
16059 if( gameInfo.holdingsWidth ) {
16060 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16062 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16063 piece = boards[move][i][BOARD_WIDTH-1];
16064 if( piece != EmptySquare )
16065 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16066 *p++ = PieceToChar(piece);
16068 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16069 piece = boards[move][BOARD_HEIGHT-i-1][0];
16070 if( piece != EmptySquare )
16071 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16072 *p++ = PieceToChar(piece);
16075 if( q == p ) *p++ = '-';
16081 *p++ = whiteToPlay ? 'w' : 'b';
16084 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16085 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16087 if(nrCastlingRights) {
16089 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16090 /* [HGM] write directly from rights */
16091 if(boards[move][CASTLING][2] != NoRights &&
16092 boards[move][CASTLING][0] != NoRights )
16093 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16094 if(boards[move][CASTLING][2] != NoRights &&
16095 boards[move][CASTLING][1] != NoRights )
16096 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16097 if(boards[move][CASTLING][5] != NoRights &&
16098 boards[move][CASTLING][3] != NoRights )
16099 *p++ = boards[move][CASTLING][3] + AAA;
16100 if(boards[move][CASTLING][5] != NoRights &&
16101 boards[move][CASTLING][4] != NoRights )
16102 *p++ = boards[move][CASTLING][4] + AAA;
16105 /* [HGM] write true castling rights */
16106 if( nrCastlingRights == 6 ) {
16107 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16108 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16109 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16110 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16111 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16112 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16113 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16114 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16117 if (q == p) *p++ = '-'; /* No castling rights */
16121 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16122 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16123 /* En passant target square */
16124 if (move > backwardMostMove) {
16125 fromX = moveList[move - 1][0] - AAA;
16126 fromY = moveList[move - 1][1] - ONE;
16127 toX = moveList[move - 1][2] - AAA;
16128 toY = moveList[move - 1][3] - ONE;
16129 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16130 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16131 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16133 /* 2-square pawn move just happened */
16135 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16139 } else if(move == backwardMostMove) {
16140 // [HGM] perhaps we should always do it like this, and forget the above?
16141 if((signed char)boards[move][EP_STATUS] >= 0) {
16142 *p++ = boards[move][EP_STATUS] + AAA;
16143 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16154 /* [HGM] find reversible plies */
16155 { int i = 0, j=move;
16157 if (appData.debugMode) { int k;
16158 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16159 for(k=backwardMostMove; k<=forwardMostMove; k++)
16160 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16164 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16165 if( j == backwardMostMove ) i += initialRulePlies;
16166 sprintf(p, "%d ", i);
16167 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16169 /* Fullmove number */
16170 sprintf(p, "%d", (move / 2) + 1);
16172 return StrSave(buf);
16176 ParseFEN(board, blackPlaysFirst, fen)
16178 int *blackPlaysFirst;
16188 /* [HGM] by default clear Crazyhouse holdings, if present */
16189 if(gameInfo.holdingsWidth) {
16190 for(i=0; i<BOARD_HEIGHT; i++) {
16191 board[i][0] = EmptySquare; /* black holdings */
16192 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16193 board[i][1] = (ChessSquare) 0; /* black counts */
16194 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16198 /* Piece placement data */
16199 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16202 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16203 if (*p == '/') p++;
16204 emptycount = gameInfo.boardWidth - j;
16205 while (emptycount--)
16206 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16208 #if(BOARD_FILES >= 10)
16209 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16210 p++; emptycount=10;
16211 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16212 while (emptycount--)
16213 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16215 } else if (isdigit(*p)) {
16216 emptycount = *p++ - '0';
16217 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16218 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16219 while (emptycount--)
16220 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16221 } else if (*p == '+' || isalpha(*p)) {
16222 if (j >= gameInfo.boardWidth) return FALSE;
16224 piece = CharToPiece(*++p);
16225 if(piece == EmptySquare) return FALSE; /* unknown piece */
16226 piece = (ChessSquare) (PROMOTED piece ); p++;
16227 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16228 } else piece = CharToPiece(*p++);
16230 if(piece==EmptySquare) return FALSE; /* unknown piece */
16231 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16232 piece = (ChessSquare) (PROMOTED piece);
16233 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16236 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16242 while (*p == '/' || *p == ' ') p++;
16244 /* [HGM] look for Crazyhouse holdings here */
16245 while(*p==' ') p++;
16246 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16248 if(*p == '-' ) p++; /* empty holdings */ else {
16249 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16250 /* if we would allow FEN reading to set board size, we would */
16251 /* have to add holdings and shift the board read so far here */
16252 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16254 if((int) piece >= (int) BlackPawn ) {
16255 i = (int)piece - (int)BlackPawn;
16256 i = PieceToNumber((ChessSquare)i);
16257 if( i >= gameInfo.holdingsSize ) return FALSE;
16258 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16259 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16261 i = (int)piece - (int)WhitePawn;
16262 i = PieceToNumber((ChessSquare)i);
16263 if( i >= gameInfo.holdingsSize ) return FALSE;
16264 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16265 board[i][BOARD_WIDTH-2]++; /* black holdings */
16272 while(*p == ' ') p++;
16276 if(appData.colorNickNames) {
16277 if( c == appData.colorNickNames[0] ) c = 'w'; else
16278 if( c == appData.colorNickNames[1] ) c = 'b';
16282 *blackPlaysFirst = FALSE;
16285 *blackPlaysFirst = TRUE;
16291 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16292 /* return the extra info in global variiables */
16294 /* set defaults in case FEN is incomplete */
16295 board[EP_STATUS] = EP_UNKNOWN;
16296 for(i=0; i<nrCastlingRights; i++ ) {
16297 board[CASTLING][i] =
16298 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16299 } /* assume possible unless obviously impossible */
16300 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16301 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16302 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16303 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16304 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16305 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16306 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16307 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16310 while(*p==' ') p++;
16311 if(nrCastlingRights) {
16312 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16313 /* castling indicator present, so default becomes no castlings */
16314 for(i=0; i<nrCastlingRights; i++ ) {
16315 board[CASTLING][i] = NoRights;
16318 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16319 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16320 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16321 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16322 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16324 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16325 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16326 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16328 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16329 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16330 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16331 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16332 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16333 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16336 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16337 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16338 board[CASTLING][2] = whiteKingFile;
16341 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16342 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16343 board[CASTLING][2] = whiteKingFile;
16346 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16347 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16348 board[CASTLING][5] = blackKingFile;
16351 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16352 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16353 board[CASTLING][5] = blackKingFile;
16356 default: /* FRC castlings */
16357 if(c >= 'a') { /* black rights */
16358 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16359 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16360 if(i == BOARD_RGHT) break;
16361 board[CASTLING][5] = i;
16363 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16364 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16366 board[CASTLING][3] = c;
16368 board[CASTLING][4] = c;
16369 } else { /* white rights */
16370 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16371 if(board[0][i] == WhiteKing) break;
16372 if(i == BOARD_RGHT) break;
16373 board[CASTLING][2] = i;
16374 c -= AAA - 'a' + 'A';
16375 if(board[0][c] >= WhiteKing) break;
16377 board[CASTLING][0] = c;
16379 board[CASTLING][1] = c;
16383 for(i=0; i<nrCastlingRights; i++)
16384 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16385 if (appData.debugMode) {
16386 fprintf(debugFP, "FEN castling rights:");
16387 for(i=0; i<nrCastlingRights; i++)
16388 fprintf(debugFP, " %d", board[CASTLING][i]);
16389 fprintf(debugFP, "\n");
16392 while(*p==' ') p++;
16395 /* read e.p. field in games that know e.p. capture */
16396 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16397 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16399 p++; board[EP_STATUS] = EP_NONE;
16401 char c = *p++ - AAA;
16403 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16404 if(*p >= '0' && *p <='9') p++;
16405 board[EP_STATUS] = c;
16410 if(sscanf(p, "%d", &i) == 1) {
16411 FENrulePlies = i; /* 50-move ply counter */
16412 /* (The move number is still ignored) */
16419 EditPositionPasteFEN(char *fen)
16422 Board initial_position;
16424 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16425 DisplayError(_("Bad FEN position in clipboard"), 0);
16428 int savedBlackPlaysFirst = blackPlaysFirst;
16429 EditPositionEvent();
16430 blackPlaysFirst = savedBlackPlaysFirst;
16431 CopyBoard(boards[0], initial_position);
16432 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16433 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16434 DisplayBothClocks();
16435 DrawPosition(FALSE, boards[currentMove]);
16440 static char cseq[12] = "\\ ";
16442 Boolean set_cont_sequence(char *new_seq)
16447 // handle bad attempts to set the sequence
16449 return 0; // acceptable error - no debug
16451 len = strlen(new_seq);
16452 ret = (len > 0) && (len < sizeof(cseq));
16454 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16455 else if (appData.debugMode)
16456 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16461 reformat a source message so words don't cross the width boundary. internal
16462 newlines are not removed. returns the wrapped size (no null character unless
16463 included in source message). If dest is NULL, only calculate the size required
16464 for the dest buffer. lp argument indicats line position upon entry, and it's
16465 passed back upon exit.
16467 int wrap(char *dest, char *src, int count, int width, int *lp)
16469 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16471 cseq_len = strlen(cseq);
16472 old_line = line = *lp;
16473 ansi = len = clen = 0;
16475 for (i=0; i < count; i++)
16477 if (src[i] == '\033')
16480 // if we hit the width, back up
16481 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16483 // store i & len in case the word is too long
16484 old_i = i, old_len = len;
16486 // find the end of the last word
16487 while (i && src[i] != ' ' && src[i] != '\n')
16493 // word too long? restore i & len before splitting it
16494 if ((old_i-i+clen) >= width)
16501 if (i && src[i-1] == ' ')
16504 if (src[i] != ' ' && src[i] != '\n')
16511 // now append the newline and continuation sequence
16516 strncpy(dest+len, cseq, cseq_len);
16524 dest[len] = src[i];
16528 if (src[i] == '\n')
16533 if (dest && appData.debugMode)
16535 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16536 count, width, line, len, *lp);
16537 show_bytes(debugFP, src, count);
16538 fprintf(debugFP, "\ndest: ");
16539 show_bytes(debugFP, dest, len);
16540 fprintf(debugFP, "\n");
16542 *lp = dest ? line : old_line;
16547 // [HGM] vari: routines for shelving variations
16548 Boolean modeRestore = FALSE;
16551 PushInner(int firstMove, int lastMove)
16553 int i, j, nrMoves = lastMove - firstMove;
16555 // push current tail of game on stack
16556 savedResult[storedGames] = gameInfo.result;
16557 savedDetails[storedGames] = gameInfo.resultDetails;
16558 gameInfo.resultDetails = NULL;
16559 savedFirst[storedGames] = firstMove;
16560 savedLast [storedGames] = lastMove;
16561 savedFramePtr[storedGames] = framePtr;
16562 framePtr -= nrMoves; // reserve space for the boards
16563 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16564 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16565 for(j=0; j<MOVE_LEN; j++)
16566 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16567 for(j=0; j<2*MOVE_LEN; j++)
16568 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16569 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16570 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16571 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16572 pvInfoList[firstMove+i-1].depth = 0;
16573 commentList[framePtr+i] = commentList[firstMove+i];
16574 commentList[firstMove+i] = NULL;
16578 forwardMostMove = firstMove; // truncate game so we can start variation
16582 PushTail(int firstMove, int lastMove)
16584 if(appData.icsActive) { // only in local mode
16585 forwardMostMove = currentMove; // mimic old ICS behavior
16588 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16590 PushInner(firstMove, lastMove);
16591 if(storedGames == 1) GreyRevert(FALSE);
16592 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16596 PopInner(Boolean annotate)
16599 char buf[8000], moveBuf[20];
16601 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16602 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16603 nrMoves = savedLast[storedGames] - currentMove;
16606 if(!WhiteOnMove(currentMove))
16607 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16608 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16609 for(i=currentMove; i<forwardMostMove; i++) {
16611 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16612 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16613 strcat(buf, moveBuf);
16614 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16615 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16619 for(i=1; i<=nrMoves; i++) { // copy last variation back
16620 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16621 for(j=0; j<MOVE_LEN; j++)
16622 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16623 for(j=0; j<2*MOVE_LEN; j++)
16624 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16625 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16626 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16627 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16628 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16629 commentList[currentMove+i] = commentList[framePtr+i];
16630 commentList[framePtr+i] = NULL;
16632 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16633 framePtr = savedFramePtr[storedGames];
16634 gameInfo.result = savedResult[storedGames];
16635 if(gameInfo.resultDetails != NULL) {
16636 free(gameInfo.resultDetails);
16638 gameInfo.resultDetails = savedDetails[storedGames];
16639 forwardMostMove = currentMove + nrMoves;
16643 PopTail(Boolean annotate)
16645 if(appData.icsActive) return FALSE; // only in local mode
16646 if(!storedGames) return FALSE; // sanity
16647 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16649 PopInner(annotate);
16650 if(currentMove < forwardMostMove) ForwardEvent(); else
16651 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
16653 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
16659 { // remove all shelved variations
16661 for(i=0; i<storedGames; i++) {
16662 if(savedDetails[i])
16663 free(savedDetails[i]);
16664 savedDetails[i] = NULL;
16666 for(i=framePtr; i<MAX_MOVES; i++) {
16667 if(commentList[i]) free(commentList[i]);
16668 commentList[i] = NULL;
16670 framePtr = MAX_MOVES-1;
16675 LoadVariation(int index, char *text)
16676 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16677 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16678 int level = 0, move;
16680 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
16681 // first find outermost bracketing variation
16682 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16683 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16684 if(*p == '{') wait = '}'; else
16685 if(*p == '[') wait = ']'; else
16686 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16687 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16689 if(*p == wait) wait = NULLCHAR; // closing ]} found
16692 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16693 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16694 end[1] = NULLCHAR; // clip off comment beyond variation
16695 ToNrEvent(currentMove-1);
16696 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16697 // kludge: use ParsePV() to append variation to game
16698 move = currentMove;
16699 ParsePV(start, TRUE, TRUE);
16700 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16701 ClearPremoveHighlights();
16703 ToNrEvent(currentMove+1);