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 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
135 # define _(s) gettext (s)
136 # define N_(s) gettext_noop (s)
137 # define T_(s) gettext(s)
150 int establish P((void));
151 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
152 char *buf, int count, int error));
153 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
154 char *buf, int count, int error));
155 void ics_printf P((char *format, ...));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
227 extern void ConsoleCreate();
230 ChessProgramState *WhitePlayer();
231 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
232 int VerifyDisplayMode P(());
234 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
235 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
236 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
237 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
238 void ics_update_width P((int new_width));
239 extern char installDir[MSG_SIZ];
240 VariantClass startVariant; /* [HGM] nicks: initial variant */
243 extern int tinyLayout, smallLayout;
244 ChessProgramStats programStats;
245 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
247 static int exiting = 0; /* [HGM] moved to top */
248 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
249 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
250 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
251 int partnerHighlight[2];
252 Boolean partnerBoardValid = 0;
253 char partnerStatus[MSG_SIZ];
255 Boolean originalFlip;
256 Boolean twoBoards = 0;
257 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
258 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
259 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
260 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
261 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
262 int opponentKibitzes;
263 int lastSavedGame; /* [HGM] save: ID of game */
264 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
265 extern int chatCount;
267 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
268 char lastMsg[MSG_SIZ];
269 ChessSquare pieceSweep = EmptySquare;
270 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
271 int promoDefaultAltered;
273 /* States for ics_getting_history */
275 #define H_REQUESTED 1
276 #define H_GOT_REQ_HEADER 2
277 #define H_GOT_UNREQ_HEADER 3
278 #define H_GETTING_MOVES 4
279 #define H_GOT_UNWANTED_HEADER 5
281 /* whosays values for GameEnds */
290 /* Maximum number of games in a cmail message */
291 #define CMAIL_MAX_GAMES 20
293 /* Different types of move when calling RegisterMove */
295 #define CMAIL_RESIGN 1
297 #define CMAIL_ACCEPT 3
299 /* Different types of result to remember for each game */
300 #define CMAIL_NOT_RESULT 0
301 #define CMAIL_OLD_RESULT 1
302 #define CMAIL_NEW_RESULT 2
304 /* Telnet protocol constants */
315 safeStrCpy( char *dst, const char *src, size_t count )
318 assert( dst != NULL );
319 assert( src != NULL );
322 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
323 if( i == count && dst[count-1] != NULLCHAR)
325 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
326 if(appData.debugMode)
327 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
333 /* Some compiler can't cast u64 to double
334 * This function do the job for us:
336 * We use the highest bit for cast, this only
337 * works if the highest bit is not
338 * in use (This should not happen)
340 * We used this for all compiler
343 u64ToDouble(u64 value)
346 u64 tmp = value & u64Const(0x7fffffffffffffff);
347 r = (double)(s64)tmp;
348 if (value & u64Const(0x8000000000000000))
349 r += 9.2233720368547758080e18; /* 2^63 */
353 /* Fake up flags for now, as we aren't keeping track of castling
354 availability yet. [HGM] Change of logic: the flag now only
355 indicates the type of castlings allowed by the rule of the game.
356 The actual rights themselves are maintained in the array
357 castlingRights, as part of the game history, and are not probed
363 int flags = F_ALL_CASTLE_OK;
364 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
365 switch (gameInfo.variant) {
367 flags &= ~F_ALL_CASTLE_OK;
368 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
369 flags |= F_IGNORE_CHECK;
371 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
374 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
376 case VariantKriegspiel:
377 flags |= F_KRIEGSPIEL_CAPTURE;
379 case VariantCapaRandom:
380 case VariantFischeRandom:
381 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
382 case VariantNoCastle:
383 case VariantShatranj:
387 flags &= ~F_ALL_CASTLE_OK;
395 FILE *gameFileFP, *debugFP;
398 [AS] Note: sometimes, the sscanf() function is used to parse the input
399 into a fixed-size buffer. Because of this, we must be prepared to
400 receive strings as long as the size of the input buffer, which is currently
401 set to 4K for Windows and 8K for the rest.
402 So, we must either allocate sufficiently large buffers here, or
403 reduce the size of the input buffer in the input reading part.
406 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
407 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
408 char thinkOutput1[MSG_SIZ*10];
410 ChessProgramState first, second, pairing;
412 /* premove variables */
415 int premoveFromX = 0;
416 int premoveFromY = 0;
417 int premovePromoChar = 0;
419 Boolean alarmSounded;
420 /* end premove variables */
422 char *ics_prefix = "$";
423 int ics_type = ICS_GENERIC;
425 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
426 int pauseExamForwardMostMove = 0;
427 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
428 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
429 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
430 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
431 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
432 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
433 int whiteFlag = FALSE, blackFlag = FALSE;
434 int userOfferedDraw = FALSE;
435 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
436 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
437 int cmailMoveType[CMAIL_MAX_GAMES];
438 long ics_clock_paused = 0;
439 ProcRef icsPR = NoProc, cmailPR = NoProc;
440 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
441 GameMode gameMode = BeginningOfGame;
442 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
443 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
444 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
445 int hiddenThinkOutputState = 0; /* [AS] */
446 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
447 int adjudicateLossPlies = 6;
448 char white_holding[64], black_holding[64];
449 TimeMark lastNodeCountTime;
450 long lastNodeCount=0;
451 int shiftKey; // [HGM] set by mouse handler
453 int have_sent_ICS_logon = 0;
455 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
456 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
457 Boolean adjustedClock;
458 long timeControl_2; /* [AS] Allow separate time controls */
459 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
460 long timeRemaining[2][MAX_MOVES];
461 int matchGame = 0, nextGame = 0, roundNr = 0;
462 Boolean waitingForGame = FALSE;
463 TimeMark programStartTime, pauseStart;
464 char ics_handle[MSG_SIZ];
465 int have_set_title = 0;
467 /* animateTraining preserves the state of appData.animate
468 * when Training mode is activated. This allows the
469 * response to be animated when appData.animate == TRUE and
470 * appData.animateDragging == TRUE.
472 Boolean animateTraining;
478 Board boards[MAX_MOVES];
479 /* [HGM] Following 7 needed for accurate legality tests: */
480 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
481 signed char initialRights[BOARD_FILES];
482 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
483 int initialRulePlies, FENrulePlies;
484 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
486 Boolean shuffleOpenings;
487 int mute; // mute all sounds
489 // [HGM] vari: next 12 to save and restore variations
490 #define MAX_VARIATIONS 10
491 int framePtr = MAX_MOVES-1; // points to free stack entry
493 int savedFirst[MAX_VARIATIONS];
494 int savedLast[MAX_VARIATIONS];
495 int savedFramePtr[MAX_VARIATIONS];
496 char *savedDetails[MAX_VARIATIONS];
497 ChessMove savedResult[MAX_VARIATIONS];
499 void PushTail P((int firstMove, int lastMove));
500 Boolean PopTail P((Boolean annotate));
501 void PushInner P((int firstMove, int lastMove));
502 void PopInner P((Boolean annotate));
503 void CleanupTail P((void));
505 ChessSquare FIDEArray[2][BOARD_FILES] = {
506 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
507 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
508 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
509 BlackKing, BlackBishop, BlackKnight, BlackRook }
512 ChessSquare twoKingsArray[2][BOARD_FILES] = {
513 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
514 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
515 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
516 BlackKing, BlackKing, BlackKnight, BlackRook }
519 ChessSquare KnightmateArray[2][BOARD_FILES] = {
520 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
521 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
522 { BlackRook, BlackMan, BlackBishop, BlackQueen,
523 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
526 ChessSquare SpartanArray[2][BOARD_FILES] = {
527 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
528 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
529 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
530 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
533 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
534 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
535 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
536 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
537 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
540 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
541 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
542 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
543 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
544 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
547 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
548 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
549 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
550 { BlackRook, BlackKnight, BlackMan, BlackFerz,
551 BlackKing, BlackMan, BlackKnight, BlackRook }
555 #if (BOARD_FILES>=10)
556 ChessSquare ShogiArray[2][BOARD_FILES] = {
557 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
558 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
559 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
560 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
563 ChessSquare XiangqiArray[2][BOARD_FILES] = {
564 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
565 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
566 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
567 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
570 ChessSquare CapablancaArray[2][BOARD_FILES] = {
571 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
572 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
573 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
574 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
577 ChessSquare GreatArray[2][BOARD_FILES] = {
578 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
579 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
580 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
581 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
584 ChessSquare JanusArray[2][BOARD_FILES] = {
585 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
586 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
587 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
588 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
591 ChessSquare GrandArray[2][BOARD_FILES] = {
592 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
593 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
594 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
595 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
599 ChessSquare GothicArray[2][BOARD_FILES] = {
600 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
601 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
602 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
603 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
606 #define GothicArray CapablancaArray
610 ChessSquare FalconArray[2][BOARD_FILES] = {
611 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
612 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
613 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
614 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
617 #define FalconArray CapablancaArray
620 #else // !(BOARD_FILES>=10)
621 #define XiangqiPosition FIDEArray
622 #define CapablancaArray FIDEArray
623 #define GothicArray FIDEArray
624 #define GreatArray FIDEArray
625 #endif // !(BOARD_FILES>=10)
627 #if (BOARD_FILES>=12)
628 ChessSquare CourierArray[2][BOARD_FILES] = {
629 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
630 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
631 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
632 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
634 #else // !(BOARD_FILES>=12)
635 #define CourierArray CapablancaArray
636 #endif // !(BOARD_FILES>=12)
639 Board initialPosition;
642 /* Convert str to a rating. Checks for special cases of "----",
644 "++++", etc. Also strips ()'s */
646 string_to_rating(str)
649 while(*str && !isdigit(*str)) ++str;
651 return 0; /* One of the special "no rating" cases */
659 /* Init programStats */
660 programStats.movelist[0] = 0;
661 programStats.depth = 0;
662 programStats.nr_moves = 0;
663 programStats.moves_left = 0;
664 programStats.nodes = 0;
665 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
666 programStats.score = 0;
667 programStats.got_only_move = 0;
668 programStats.got_fail = 0;
669 programStats.line_is_book = 0;
674 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
675 if (appData.firstPlaysBlack) {
676 first.twoMachinesColor = "black\n";
677 second.twoMachinesColor = "white\n";
679 first.twoMachinesColor = "white\n";
680 second.twoMachinesColor = "black\n";
683 first.other = &second;
684 second.other = &first;
687 if(appData.timeOddsMode) {
688 norm = appData.timeOdds[0];
689 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
691 first.timeOdds = appData.timeOdds[0]/norm;
692 second.timeOdds = appData.timeOdds[1]/norm;
695 if(programVersion) free(programVersion);
696 if (appData.noChessProgram) {
697 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
698 sprintf(programVersion, "%s", PACKAGE_STRING);
700 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
701 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
702 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
707 UnloadEngine(ChessProgramState *cps)
709 /* Kill off first chess program */
710 if (cps->isr != NULL)
711 RemoveInputSource(cps->isr);
714 if (cps->pr != NoProc) {
716 DoSleep( appData.delayBeforeQuit );
717 SendToProgram("quit\n", cps);
718 DoSleep( appData.delayAfterQuit );
719 DestroyChildProcess(cps->pr, cps->useSigterm);
722 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
726 ClearOptions(ChessProgramState *cps)
729 cps->nrOptions = cps->comboCnt = 0;
730 for(i=0; i<MAX_OPTIONS; i++) {
731 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
732 cps->option[i].textValue = 0;
736 char *engineNames[] = {
742 InitEngine(ChessProgramState *cps, int n)
743 { // [HGM] all engine initialiation put in a function that does one engine
747 cps->which = engineNames[n];
748 cps->maybeThinking = FALSE;
752 cps->sendDrawOffers = 1;
754 cps->program = appData.chessProgram[n];
755 cps->host = appData.host[n];
756 cps->dir = appData.directory[n];
757 cps->initString = appData.engInitString[n];
758 cps->computerString = appData.computerString[n];
759 cps->useSigint = TRUE;
760 cps->useSigterm = TRUE;
761 cps->reuse = appData.reuse[n];
762 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
763 cps->useSetboard = FALSE;
765 cps->usePing = FALSE;
768 cps->usePlayother = FALSE;
769 cps->useColors = TRUE;
770 cps->useUsermove = FALSE;
771 cps->sendICS = FALSE;
772 cps->sendName = appData.icsActive;
773 cps->sdKludge = FALSE;
774 cps->stKludge = FALSE;
775 TidyProgramName(cps->program, cps->host, cps->tidy);
777 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
778 cps->analysisSupport = 2; /* detect */
779 cps->analyzing = FALSE;
780 cps->initDone = FALSE;
782 /* New features added by Tord: */
783 cps->useFEN960 = FALSE;
784 cps->useOOCastle = TRUE;
785 /* End of new features added by Tord. */
786 cps->fenOverride = appData.fenOverride[n];
788 /* [HGM] time odds: set factor for each machine */
789 cps->timeOdds = appData.timeOdds[n];
791 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
792 cps->accumulateTC = appData.accumulateTC[n];
793 cps->maxNrOfSessions = 1;
798 cps->supportsNPS = UNKNOWN;
799 cps->memSize = FALSE;
800 cps->maxCores = FALSE;
801 cps->egtFormats[0] = NULLCHAR;
804 cps->optionSettings = appData.engOptions[n];
806 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
807 cps->isUCI = appData.isUCI[n]; /* [AS] */
808 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
810 if (appData.protocolVersion[n] > PROTOVER
811 || appData.protocolVersion[n] < 1)
816 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
817 appData.protocolVersion[n]);
818 if( (len >= MSG_SIZ) && appData.debugMode )
819 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
821 DisplayFatalError(buf, 0, 2);
825 cps->protocolVersion = appData.protocolVersion[n];
828 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
829 ParseFeatures(appData.featureDefaults, cps);
832 ChessProgramState *savCps;
838 if(WaitForEngine(savCps, LoadEngine)) return;
839 CommonEngineInit(); // recalculate time odds
840 if(gameInfo.variant != StringToVariant(appData.variant)) {
841 // we changed variant when loading the engine; this forces us to reset
842 Reset(TRUE, savCps != &first);
843 EditGameEvent(); // for consistency with other path, as Reset changes mode
845 InitChessProgram(savCps, FALSE);
846 SendToProgram("force\n", savCps);
847 DisplayMessage("", "");
848 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
849 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
855 ReplaceEngine(ChessProgramState *cps, int n)
859 appData.noChessProgram = FALSE;
860 appData.clockMode = TRUE;
863 if(n) return; // only startup first engine immediately; second can wait
864 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
868 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
869 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
871 static char resetOptions[] =
872 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
873 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
874 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
877 Load(ChessProgramState *cps, int i)
879 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
880 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
881 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
882 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
883 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
884 ParseArgsFromString(buf);
886 ReplaceEngine(cps, i);
890 while(q = strchr(p, SLASH)) p = q+1;
891 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
892 if(engineDir[0] != NULLCHAR)
893 appData.directory[i] = engineDir;
894 else if(p != engineName) { // derive directory from engine path, when not given
896 appData.directory[i] = strdup(engineName);
898 } else appData.directory[i] = ".";
900 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
901 snprintf(command, MSG_SIZ, "%s %s", p, params);
904 appData.chessProgram[i] = strdup(p);
905 appData.isUCI[i] = isUCI;
906 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
907 appData.hasOwnBookUCI[i] = hasBook;
908 if(!nickName[0]) useNick = FALSE;
909 if(useNick) ASSIGN(appData.pgnName[i], nickName);
913 q = firstChessProgramNames;
914 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
915 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
916 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
917 quote, p, quote, appData.directory[i],
918 useNick ? " -fn \"" : "",
919 useNick ? nickName : "",
921 v1 ? " -firstProtocolVersion 1" : "",
922 hasBook ? "" : " -fNoOwnBookUCI",
923 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
924 storeVariant ? " -variant " : "",
925 storeVariant ? VariantName(gameInfo.variant) : "");
926 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
927 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
930 ReplaceEngine(cps, i);
936 int matched, min, sec;
938 * Parse timeControl resource
940 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
941 appData.movesPerSession)) {
943 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
944 DisplayFatalError(buf, 0, 2);
948 * Parse searchTime resource
950 if (*appData.searchTime != NULLCHAR) {
951 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
953 searchTime = min * 60;
954 } else if (matched == 2) {
955 searchTime = min * 60 + sec;
958 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
959 DisplayFatalError(buf, 0, 2);
968 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
969 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
971 GetTimeMark(&programStartTime);
972 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
973 appData.seedBase = random() + (random()<<15);
974 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
977 programStats.ok_to_send = 1;
978 programStats.seen_stat = 0;
981 * Initialize game list
987 * Internet chess server status
989 if (appData.icsActive) {
990 appData.matchMode = FALSE;
991 appData.matchGames = 0;
993 appData.noChessProgram = !appData.zippyPlay;
995 appData.zippyPlay = FALSE;
996 appData.zippyTalk = FALSE;
997 appData.noChessProgram = TRUE;
999 if (*appData.icsHelper != NULLCHAR) {
1000 appData.useTelnet = TRUE;
1001 appData.telnetProgram = appData.icsHelper;
1004 appData.zippyTalk = appData.zippyPlay = FALSE;
1007 /* [AS] Initialize pv info list [HGM] and game state */
1011 for( i=0; i<=framePtr; i++ ) {
1012 pvInfoList[i].depth = -1;
1013 boards[i][EP_STATUS] = EP_NONE;
1014 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1020 /* [AS] Adjudication threshold */
1021 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1023 InitEngine(&first, 0);
1024 InitEngine(&second, 1);
1027 pairing.which = "pairing"; // pairing engine
1028 pairing.pr = NoProc;
1030 pairing.program = appData.pairingEngine;
1031 pairing.host = "localhost";
1034 if (appData.icsActive) {
1035 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1036 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1037 appData.clockMode = FALSE;
1038 first.sendTime = second.sendTime = 0;
1042 /* Override some settings from environment variables, for backward
1043 compatibility. Unfortunately it's not feasible to have the env
1044 vars just set defaults, at least in xboard. Ugh.
1046 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1051 if (!appData.icsActive) {
1055 /* Check for variants that are supported only in ICS mode,
1056 or not at all. Some that are accepted here nevertheless
1057 have bugs; see comments below.
1059 VariantClass variant = StringToVariant(appData.variant);
1061 case VariantBughouse: /* need four players and two boards */
1062 case VariantKriegspiel: /* need to hide pieces and move details */
1063 /* case VariantFischeRandom: (Fabien: moved below) */
1064 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1065 if( (len >= MSG_SIZ) && appData.debugMode )
1066 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1068 DisplayFatalError(buf, 0, 2);
1071 case VariantUnknown:
1072 case VariantLoadable:
1082 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1083 if( (len >= MSG_SIZ) && appData.debugMode )
1084 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1086 DisplayFatalError(buf, 0, 2);
1089 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1090 case VariantFairy: /* [HGM] TestLegality definitely off! */
1091 case VariantGothic: /* [HGM] should work */
1092 case VariantCapablanca: /* [HGM] should work */
1093 case VariantCourier: /* [HGM] initial forced moves not implemented */
1094 case VariantShogi: /* [HGM] could still mate with pawn drop */
1095 case VariantKnightmate: /* [HGM] should work */
1096 case VariantCylinder: /* [HGM] untested */
1097 case VariantFalcon: /* [HGM] untested */
1098 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1099 offboard interposition not understood */
1100 case VariantNormal: /* definitely works! */
1101 case VariantWildCastle: /* pieces not automatically shuffled */
1102 case VariantNoCastle: /* pieces not automatically shuffled */
1103 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1104 case VariantLosers: /* should work except for win condition,
1105 and doesn't know captures are mandatory */
1106 case VariantSuicide: /* should work except for win condition,
1107 and doesn't know captures are mandatory */
1108 case VariantGiveaway: /* should work except for win condition,
1109 and doesn't know captures are mandatory */
1110 case VariantTwoKings: /* should work */
1111 case VariantAtomic: /* should work except for win condition */
1112 case Variant3Check: /* should work except for win condition */
1113 case VariantShatranj: /* should work except for all win conditions */
1114 case VariantMakruk: /* should work except for draw countdown */
1115 case VariantBerolina: /* might work if TestLegality is off */
1116 case VariantCapaRandom: /* should work */
1117 case VariantJanus: /* should work */
1118 case VariantSuper: /* experimental */
1119 case VariantGreat: /* experimental, requires legality testing to be off */
1120 case VariantSChess: /* S-Chess, should work */
1121 case VariantGrand: /* should work */
1122 case VariantSpartan: /* should work */
1129 int NextIntegerFromString( char ** str, long * value )
1134 while( *s == ' ' || *s == '\t' ) {
1140 if( *s >= '0' && *s <= '9' ) {
1141 while( *s >= '0' && *s <= '9' ) {
1142 *value = *value * 10 + (*s - '0');
1154 int NextTimeControlFromString( char ** str, long * value )
1157 int result = NextIntegerFromString( str, &temp );
1160 *value = temp * 60; /* Minutes */
1161 if( **str == ':' ) {
1163 result = NextIntegerFromString( str, &temp );
1164 *value += temp; /* Seconds */
1171 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1172 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1173 int result = -1, type = 0; long temp, temp2;
1175 if(**str != ':') return -1; // old params remain in force!
1177 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1178 if( NextIntegerFromString( str, &temp ) ) return -1;
1179 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1182 /* time only: incremental or sudden-death time control */
1183 if(**str == '+') { /* increment follows; read it */
1185 if(**str == '!') type = *(*str)++; // Bronstein TC
1186 if(result = NextIntegerFromString( str, &temp2)) return -1;
1187 *inc = temp2 * 1000;
1188 if(**str == '.') { // read fraction of increment
1189 char *start = ++(*str);
1190 if(result = NextIntegerFromString( str, &temp2)) return -1;
1192 while(start++ < *str) temp2 /= 10;
1196 *moves = 0; *tc = temp * 1000; *incType = type;
1200 (*str)++; /* classical time control */
1201 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1212 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1213 { /* [HGM] get time to add from the multi-session time-control string */
1214 int incType, moves=1; /* kludge to force reading of first session */
1215 long time, increment;
1218 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1219 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1221 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1222 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1223 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1224 if(movenr == -1) return time; /* last move before new session */
1225 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1226 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1227 if(!moves) return increment; /* current session is incremental */
1228 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1229 } while(movenr >= -1); /* try again for next session */
1231 return 0; // no new time quota on this move
1235 ParseTimeControl(tc, ti, mps)
1242 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1245 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1246 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1247 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1251 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1253 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1256 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1258 snprintf(buf, MSG_SIZ, ":%s", mytc);
1260 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1262 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1267 /* Parse second time control */
1270 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1278 timeControl_2 = tc2 * 1000;
1288 timeControl = tc1 * 1000;
1291 timeIncrement = ti * 1000; /* convert to ms */
1292 movesPerSession = 0;
1295 movesPerSession = mps;
1303 if (appData.debugMode) {
1304 fprintf(debugFP, "%s\n", programVersion);
1307 set_cont_sequence(appData.wrapContSeq);
1308 if (appData.matchGames > 0) {
1309 appData.matchMode = TRUE;
1310 } else if (appData.matchMode) {
1311 appData.matchGames = 1;
1313 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1314 appData.matchGames = appData.sameColorGames;
1315 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1316 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1317 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1320 if (appData.noChessProgram || first.protocolVersion == 1) {
1323 /* kludge: allow timeout for initial "feature" commands */
1325 DisplayMessage("", _("Starting chess program"));
1326 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1331 CalculateIndex(int index, int gameNr)
1332 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1334 if(index > 0) return index; // fixed nmber
1335 if(index == 0) return 1;
1336 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1337 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1342 LoadGameOrPosition(int gameNr)
1343 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1344 if (*appData.loadGameFile != NULLCHAR) {
1345 if (!LoadGameFromFile(appData.loadGameFile,
1346 CalculateIndex(appData.loadGameIndex, gameNr),
1347 appData.loadGameFile, FALSE)) {
1348 DisplayFatalError(_("Bad game file"), 0, 1);
1351 } else if (*appData.loadPositionFile != NULLCHAR) {
1352 if (!LoadPositionFromFile(appData.loadPositionFile,
1353 CalculateIndex(appData.loadPositionIndex, gameNr),
1354 appData.loadPositionFile)) {
1355 DisplayFatalError(_("Bad position file"), 0, 1);
1363 ReserveGame(int gameNr, char resChar)
1365 FILE *tf = fopen(appData.tourneyFile, "r+");
1366 char *p, *q, c, buf[MSG_SIZ];
1367 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1368 safeStrCpy(buf, lastMsg, MSG_SIZ);
1369 DisplayMessage(_("Pick new game"), "");
1370 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1371 ParseArgsFromFile(tf);
1372 p = q = appData.results;
1373 if(appData.debugMode) {
1374 char *r = appData.participants;
1375 fprintf(debugFP, "results = '%s'\n", p);
1376 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1377 fprintf(debugFP, "\n");
1379 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1381 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1382 safeStrCpy(q, p, strlen(p) + 2);
1383 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1384 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1385 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1386 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1389 fseek(tf, -(strlen(p)+4), SEEK_END);
1391 if(c != '"') // depending on DOS or Unix line endings we can be one off
1392 fseek(tf, -(strlen(p)+2), SEEK_END);
1393 else fseek(tf, -(strlen(p)+3), SEEK_END);
1394 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1395 DisplayMessage(buf, "");
1396 free(p); appData.results = q;
1397 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1398 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1399 UnloadEngine(&first); // next game belongs to other pairing;
1400 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1405 MatchEvent(int mode)
1406 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1408 if(matchMode) { // already in match mode: switch it off
1410 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1413 // if(gameMode != BeginningOfGame) {
1414 // DisplayError(_("You can only start a match from the initial position."), 0);
1418 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1419 /* Set up machine vs. machine match */
1421 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1422 if(appData.tourneyFile[0]) {
1424 if(nextGame > appData.matchGames) {
1426 if(strchr(appData.results, '*') == NULL) {
1428 appData.tourneyCycles++;
1429 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1431 NextTourneyGame(-1, &dummy);
1433 if(nextGame <= appData.matchGames) {
1434 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1436 ScheduleDelayedEvent(NextMatchGame, 10000);
1441 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1442 DisplayError(buf, 0);
1443 appData.tourneyFile[0] = 0;
1447 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1448 DisplayFatalError(_("Can't have a match with no chess programs"),
1453 matchGame = roundNr = 1;
1454 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1459 InitBackEnd3 P((void))
1461 GameMode initialMode;
1465 InitChessProgram(&first, startedFromSetupPosition);
1467 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1468 free(programVersion);
1469 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1470 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1473 if (appData.icsActive) {
1475 /* [DM] Make a console window if needed [HGM] merged ifs */
1481 if (*appData.icsCommPort != NULLCHAR)
1482 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1483 appData.icsCommPort);
1485 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1486 appData.icsHost, appData.icsPort);
1488 if( (len >= MSG_SIZ) && appData.debugMode )
1489 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1491 DisplayFatalError(buf, err, 1);
1496 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1498 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1499 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1500 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1501 } else if (appData.noChessProgram) {
1507 if (*appData.cmailGameName != NULLCHAR) {
1509 OpenLoopback(&cmailPR);
1511 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1515 DisplayMessage("", "");
1516 if (StrCaseCmp(appData.initialMode, "") == 0) {
1517 initialMode = BeginningOfGame;
1518 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1519 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1520 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1521 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1524 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1525 initialMode = TwoMachinesPlay;
1526 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1527 initialMode = AnalyzeFile;
1528 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1529 initialMode = AnalyzeMode;
1530 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1531 initialMode = MachinePlaysWhite;
1532 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1533 initialMode = MachinePlaysBlack;
1534 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1535 initialMode = EditGame;
1536 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1537 initialMode = EditPosition;
1538 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1539 initialMode = Training;
1541 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1542 if( (len >= MSG_SIZ) && appData.debugMode )
1543 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1545 DisplayFatalError(buf, 0, 2);
1549 if (appData.matchMode) {
1550 if(appData.tourneyFile[0]) { // start tourney from command line
1552 if(f = fopen(appData.tourneyFile, "r")) {
1553 ParseArgsFromFile(f); // make sure tourney parmeters re known
1555 appData.clockMode = TRUE;
1557 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1560 } else if (*appData.cmailGameName != NULLCHAR) {
1561 /* Set up cmail mode */
1562 ReloadCmailMsgEvent(TRUE);
1564 /* Set up other modes */
1565 if (initialMode == AnalyzeFile) {
1566 if (*appData.loadGameFile == NULLCHAR) {
1567 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1571 if (*appData.loadGameFile != NULLCHAR) {
1572 (void) LoadGameFromFile(appData.loadGameFile,
1573 appData.loadGameIndex,
1574 appData.loadGameFile, TRUE);
1575 } else if (*appData.loadPositionFile != NULLCHAR) {
1576 (void) LoadPositionFromFile(appData.loadPositionFile,
1577 appData.loadPositionIndex,
1578 appData.loadPositionFile);
1579 /* [HGM] try to make self-starting even after FEN load */
1580 /* to allow automatic setup of fairy variants with wtm */
1581 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1582 gameMode = BeginningOfGame;
1583 setboardSpoiledMachineBlack = 1;
1585 /* [HGM] loadPos: make that every new game uses the setup */
1586 /* from file as long as we do not switch variant */
1587 if(!blackPlaysFirst) {
1588 startedFromPositionFile = TRUE;
1589 CopyBoard(filePosition, boards[0]);
1592 if (initialMode == AnalyzeMode) {
1593 if (appData.noChessProgram) {
1594 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1597 if (appData.icsActive) {
1598 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1602 } else if (initialMode == AnalyzeFile) {
1603 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1604 ShowThinkingEvent();
1606 AnalysisPeriodicEvent(1);
1607 } else if (initialMode == MachinePlaysWhite) {
1608 if (appData.noChessProgram) {
1609 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1613 if (appData.icsActive) {
1614 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1618 MachineWhiteEvent();
1619 } else if (initialMode == MachinePlaysBlack) {
1620 if (appData.noChessProgram) {
1621 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1625 if (appData.icsActive) {
1626 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1630 MachineBlackEvent();
1631 } else if (initialMode == TwoMachinesPlay) {
1632 if (appData.noChessProgram) {
1633 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1637 if (appData.icsActive) {
1638 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1643 } else if (initialMode == EditGame) {
1645 } else if (initialMode == EditPosition) {
1646 EditPositionEvent();
1647 } else if (initialMode == Training) {
1648 if (*appData.loadGameFile == NULLCHAR) {
1649 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1658 HistorySet( char movelist[][2*MOVE_LEN], int first, int last, int current )
1660 DisplayBook(current+1);
1662 MoveHistorySet( movelist, first, last, current, pvInfoList );
1664 EvalGraphSet( first, last, current, pvInfoList );
1666 MakeEngineOutputTitle();
1670 * Establish will establish a contact to a remote host.port.
1671 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1672 * used to talk to the host.
1673 * Returns 0 if okay, error code if not.
1680 if (*appData.icsCommPort != NULLCHAR) {
1681 /* Talk to the host through a serial comm port */
1682 return OpenCommPort(appData.icsCommPort, &icsPR);
1684 } else if (*appData.gateway != NULLCHAR) {
1685 if (*appData.remoteShell == NULLCHAR) {
1686 /* Use the rcmd protocol to run telnet program on a gateway host */
1687 snprintf(buf, sizeof(buf), "%s %s %s",
1688 appData.telnetProgram, appData.icsHost, appData.icsPort);
1689 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1692 /* Use the rsh program to run telnet program on a gateway host */
1693 if (*appData.remoteUser == NULLCHAR) {
1694 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1695 appData.gateway, appData.telnetProgram,
1696 appData.icsHost, appData.icsPort);
1698 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1699 appData.remoteShell, appData.gateway,
1700 appData.remoteUser, appData.telnetProgram,
1701 appData.icsHost, appData.icsPort);
1703 return StartChildProcess(buf, "", &icsPR);
1706 } else if (appData.useTelnet) {
1707 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1710 /* TCP socket interface differs somewhat between
1711 Unix and NT; handle details in the front end.
1713 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1717 void EscapeExpand(char *p, char *q)
1718 { // [HGM] initstring: routine to shape up string arguments
1719 while(*p++ = *q++) if(p[-1] == '\\')
1721 case 'n': p[-1] = '\n'; break;
1722 case 'r': p[-1] = '\r'; break;
1723 case 't': p[-1] = '\t'; break;
1724 case '\\': p[-1] = '\\'; break;
1725 case 0: *p = 0; return;
1726 default: p[-1] = q[-1]; break;
1731 show_bytes(fp, buf, count)
1737 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1738 fprintf(fp, "\\%03o", *buf & 0xff);
1747 /* Returns an errno value */
1749 OutputMaybeTelnet(pr, message, count, outError)
1755 char buf[8192], *p, *q, *buflim;
1756 int left, newcount, outcount;
1758 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1759 *appData.gateway != NULLCHAR) {
1760 if (appData.debugMode) {
1761 fprintf(debugFP, ">ICS: ");
1762 show_bytes(debugFP, message, count);
1763 fprintf(debugFP, "\n");
1765 return OutputToProcess(pr, message, count, outError);
1768 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1775 if (appData.debugMode) {
1776 fprintf(debugFP, ">ICS: ");
1777 show_bytes(debugFP, buf, newcount);
1778 fprintf(debugFP, "\n");
1780 outcount = OutputToProcess(pr, buf, newcount, outError);
1781 if (outcount < newcount) return -1; /* to be sure */
1788 } else if (((unsigned char) *p) == TN_IAC) {
1789 *q++ = (char) TN_IAC;
1796 if (appData.debugMode) {
1797 fprintf(debugFP, ">ICS: ");
1798 show_bytes(debugFP, buf, newcount);
1799 fprintf(debugFP, "\n");
1801 outcount = OutputToProcess(pr, buf, newcount, outError);
1802 if (outcount < newcount) return -1; /* to be sure */
1807 read_from_player(isr, closure, message, count, error)
1814 int outError, outCount;
1815 static int gotEof = 0;
1817 /* Pass data read from player on to ICS */
1820 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1821 if (outCount < count) {
1822 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1824 } else if (count < 0) {
1825 RemoveInputSource(isr);
1826 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1827 } else if (gotEof++ > 0) {
1828 RemoveInputSource(isr);
1829 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1835 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1836 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1837 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1838 SendToICS("date\n");
1839 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1842 /* added routine for printf style output to ics */
1843 void ics_printf(char *format, ...)
1845 char buffer[MSG_SIZ];
1848 va_start(args, format);
1849 vsnprintf(buffer, sizeof(buffer), format, args);
1850 buffer[sizeof(buffer)-1] = '\0';
1859 int count, outCount, outError;
1861 if (icsPR == NoProc) return;
1864 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1865 if (outCount < count) {
1866 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1870 /* This is used for sending logon scripts to the ICS. Sending
1871 without a delay causes problems when using timestamp on ICC
1872 (at least on my machine). */
1874 SendToICSDelayed(s,msdelay)
1878 int count, outCount, outError;
1880 if (icsPR == NoProc) return;
1883 if (appData.debugMode) {
1884 fprintf(debugFP, ">ICS: ");
1885 show_bytes(debugFP, s, count);
1886 fprintf(debugFP, "\n");
1888 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1890 if (outCount < count) {
1891 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1896 /* Remove all highlighting escape sequences in s
1897 Also deletes any suffix starting with '('
1900 StripHighlightAndTitle(s)
1903 static char retbuf[MSG_SIZ];
1906 while (*s != NULLCHAR) {
1907 while (*s == '\033') {
1908 while (*s != NULLCHAR && !isalpha(*s)) s++;
1909 if (*s != NULLCHAR) s++;
1911 while (*s != NULLCHAR && *s != '\033') {
1912 if (*s == '(' || *s == '[') {
1923 /* Remove all highlighting escape sequences in s */
1928 static char retbuf[MSG_SIZ];
1931 while (*s != NULLCHAR) {
1932 while (*s == '\033') {
1933 while (*s != NULLCHAR && !isalpha(*s)) s++;
1934 if (*s != NULLCHAR) s++;
1936 while (*s != NULLCHAR && *s != '\033') {
1944 char *variantNames[] = VARIANT_NAMES;
1949 return variantNames[v];
1953 /* Identify a variant from the strings the chess servers use or the
1954 PGN Variant tag names we use. */
1961 VariantClass v = VariantNormal;
1962 int i, found = FALSE;
1968 /* [HGM] skip over optional board-size prefixes */
1969 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1970 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1971 while( *e++ != '_');
1974 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1978 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1979 if (StrCaseStr(e, variantNames[i])) {
1980 v = (VariantClass) i;
1987 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1988 || StrCaseStr(e, "wild/fr")
1989 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1990 v = VariantFischeRandom;
1991 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1992 (i = 1, p = StrCaseStr(e, "w"))) {
1994 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2001 case 0: /* FICS only, actually */
2003 /* Castling legal even if K starts on d-file */
2004 v = VariantWildCastle;
2009 /* Castling illegal even if K & R happen to start in
2010 normal positions. */
2011 v = VariantNoCastle;
2024 /* Castling legal iff K & R start in normal positions */
2030 /* Special wilds for position setup; unclear what to do here */
2031 v = VariantLoadable;
2034 /* Bizarre ICC game */
2035 v = VariantTwoKings;
2038 v = VariantKriegspiel;
2044 v = VariantFischeRandom;
2047 v = VariantCrazyhouse;
2050 v = VariantBughouse;
2056 /* Not quite the same as FICS suicide! */
2057 v = VariantGiveaway;
2063 v = VariantShatranj;
2066 /* Temporary names for future ICC types. The name *will* change in
2067 the next xboard/WinBoard release after ICC defines it. */
2105 v = VariantCapablanca;
2108 v = VariantKnightmate;
2114 v = VariantCylinder;
2120 v = VariantCapaRandom;
2123 v = VariantBerolina;
2135 /* Found "wild" or "w" in the string but no number;
2136 must assume it's normal chess. */
2140 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2141 if( (len >= MSG_SIZ) && appData.debugMode )
2142 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2144 DisplayError(buf, 0);
2150 if (appData.debugMode) {
2151 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2152 e, wnum, VariantName(v));
2157 static int leftover_start = 0, leftover_len = 0;
2158 char star_match[STAR_MATCH_N][MSG_SIZ];
2160 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2161 advance *index beyond it, and set leftover_start to the new value of
2162 *index; else return FALSE. If pattern contains the character '*', it
2163 matches any sequence of characters not containing '\r', '\n', or the
2164 character following the '*' (if any), and the matched sequence(s) are
2165 copied into star_match.
2168 looking_at(buf, index, pattern)
2173 char *bufp = &buf[*index], *patternp = pattern;
2175 char *matchp = star_match[0];
2178 if (*patternp == NULLCHAR) {
2179 *index = leftover_start = bufp - buf;
2183 if (*bufp == NULLCHAR) return FALSE;
2184 if (*patternp == '*') {
2185 if (*bufp == *(patternp + 1)) {
2187 matchp = star_match[++star_count];
2191 } else if (*bufp == '\n' || *bufp == '\r') {
2193 if (*patternp == NULLCHAR)
2198 *matchp++ = *bufp++;
2202 if (*patternp != *bufp) return FALSE;
2209 SendToPlayer(data, length)
2213 int error, outCount;
2214 outCount = OutputToProcess(NoProc, data, length, &error);
2215 if (outCount < length) {
2216 DisplayFatalError(_("Error writing to display"), error, 1);
2221 PackHolding(packed, holding)
2233 switch (runlength) {
2244 sprintf(q, "%d", runlength);
2256 /* Telnet protocol requests from the front end */
2258 TelnetRequest(ddww, option)
2259 unsigned char ddww, option;
2261 unsigned char msg[3];
2262 int outCount, outError;
2264 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2266 if (appData.debugMode) {
2267 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2283 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2292 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2295 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2300 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2302 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2309 if (!appData.icsActive) return;
2310 TelnetRequest(TN_DO, TN_ECHO);
2316 if (!appData.icsActive) return;
2317 TelnetRequest(TN_DONT, TN_ECHO);
2321 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2323 /* put the holdings sent to us by the server on the board holdings area */
2324 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2328 if(gameInfo.holdingsWidth < 2) return;
2329 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2330 return; // prevent overwriting by pre-board holdings
2332 if( (int)lowestPiece >= BlackPawn ) {
2335 holdingsStartRow = BOARD_HEIGHT-1;
2338 holdingsColumn = BOARD_WIDTH-1;
2339 countsColumn = BOARD_WIDTH-2;
2340 holdingsStartRow = 0;
2344 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2345 board[i][holdingsColumn] = EmptySquare;
2346 board[i][countsColumn] = (ChessSquare) 0;
2348 while( (p=*holdings++) != NULLCHAR ) {
2349 piece = CharToPiece( ToUpper(p) );
2350 if(piece == EmptySquare) continue;
2351 /*j = (int) piece - (int) WhitePawn;*/
2352 j = PieceToNumber(piece);
2353 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2354 if(j < 0) continue; /* should not happen */
2355 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2356 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2357 board[holdingsStartRow+j*direction][countsColumn]++;
2363 VariantSwitch(Board board, VariantClass newVariant)
2365 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2366 static Board oldBoard;
2368 startedFromPositionFile = FALSE;
2369 if(gameInfo.variant == newVariant) return;
2371 /* [HGM] This routine is called each time an assignment is made to
2372 * gameInfo.variant during a game, to make sure the board sizes
2373 * are set to match the new variant. If that means adding or deleting
2374 * holdings, we shift the playing board accordingly
2375 * This kludge is needed because in ICS observe mode, we get boards
2376 * of an ongoing game without knowing the variant, and learn about the
2377 * latter only later. This can be because of the move list we requested,
2378 * in which case the game history is refilled from the beginning anyway,
2379 * but also when receiving holdings of a crazyhouse game. In the latter
2380 * case we want to add those holdings to the already received position.
2384 if (appData.debugMode) {
2385 fprintf(debugFP, "Switch board from %s to %s\n",
2386 VariantName(gameInfo.variant), VariantName(newVariant));
2387 setbuf(debugFP, NULL);
2389 shuffleOpenings = 0; /* [HGM] shuffle */
2390 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2394 newWidth = 9; newHeight = 9;
2395 gameInfo.holdingsSize = 7;
2396 case VariantBughouse:
2397 case VariantCrazyhouse:
2398 newHoldingsWidth = 2; break;
2402 newHoldingsWidth = 2;
2403 gameInfo.holdingsSize = 8;
2406 case VariantCapablanca:
2407 case VariantCapaRandom:
2410 newHoldingsWidth = gameInfo.holdingsSize = 0;
2413 if(newWidth != gameInfo.boardWidth ||
2414 newHeight != gameInfo.boardHeight ||
2415 newHoldingsWidth != gameInfo.holdingsWidth ) {
2417 /* shift position to new playing area, if needed */
2418 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2419 for(i=0; i<BOARD_HEIGHT; i++)
2420 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2421 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2423 for(i=0; i<newHeight; i++) {
2424 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2425 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2427 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2428 for(i=0; i<BOARD_HEIGHT; i++)
2429 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2430 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2433 gameInfo.boardWidth = newWidth;
2434 gameInfo.boardHeight = newHeight;
2435 gameInfo.holdingsWidth = newHoldingsWidth;
2436 gameInfo.variant = newVariant;
2437 InitDrawingSizes(-2, 0);
2438 } else gameInfo.variant = newVariant;
2439 CopyBoard(oldBoard, board); // remember correctly formatted board
2440 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2441 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2444 static int loggedOn = FALSE;
2446 /*-- Game start info cache: --*/
2448 char gs_kind[MSG_SIZ];
2449 static char player1Name[128] = "";
2450 static char player2Name[128] = "";
2451 static char cont_seq[] = "\n\\ ";
2452 static int player1Rating = -1;
2453 static int player2Rating = -1;
2454 /*----------------------------*/
2456 ColorClass curColor = ColorNormal;
2457 int suppressKibitz = 0;
2460 Boolean soughtPending = FALSE;
2461 Boolean seekGraphUp;
2462 #define MAX_SEEK_ADS 200
2464 char *seekAdList[MAX_SEEK_ADS];
2465 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2466 float tcList[MAX_SEEK_ADS];
2467 char colorList[MAX_SEEK_ADS];
2468 int nrOfSeekAds = 0;
2469 int minRating = 1010, maxRating = 2800;
2470 int hMargin = 10, vMargin = 20, h, w;
2471 extern int squareSize, lineGap;
2476 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2477 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2478 if(r < minRating+100 && r >=0 ) r = minRating+100;
2479 if(r > maxRating) r = maxRating;
2480 if(tc < 1.) tc = 1.;
2481 if(tc > 95.) tc = 95.;
2482 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2483 y = ((double)r - minRating)/(maxRating - minRating)
2484 * (h-vMargin-squareSize/8-1) + vMargin;
2485 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2486 if(strstr(seekAdList[i], " u ")) color = 1;
2487 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2488 !strstr(seekAdList[i], "bullet") &&
2489 !strstr(seekAdList[i], "blitz") &&
2490 !strstr(seekAdList[i], "standard") ) color = 2;
2491 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2492 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2496 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2498 char buf[MSG_SIZ], *ext = "";
2499 VariantClass v = StringToVariant(type);
2500 if(strstr(type, "wild")) {
2501 ext = type + 4; // append wild number
2502 if(v == VariantFischeRandom) type = "chess960"; else
2503 if(v == VariantLoadable) type = "setup"; else
2504 type = VariantName(v);
2506 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2507 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2508 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2509 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2510 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2511 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2512 seekNrList[nrOfSeekAds] = nr;
2513 zList[nrOfSeekAds] = 0;
2514 seekAdList[nrOfSeekAds++] = StrSave(buf);
2515 if(plot) PlotSeekAd(nrOfSeekAds-1);
2522 int x = xList[i], y = yList[i], d=squareSize/4, k;
2523 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2524 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2525 // now replot every dot that overlapped
2526 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2527 int xx = xList[k], yy = yList[k];
2528 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2529 DrawSeekDot(xx, yy, colorList[k]);
2534 RemoveSeekAd(int nr)
2537 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2539 if(seekAdList[i]) free(seekAdList[i]);
2540 seekAdList[i] = seekAdList[--nrOfSeekAds];
2541 seekNrList[i] = seekNrList[nrOfSeekAds];
2542 ratingList[i] = ratingList[nrOfSeekAds];
2543 colorList[i] = colorList[nrOfSeekAds];
2544 tcList[i] = tcList[nrOfSeekAds];
2545 xList[i] = xList[nrOfSeekAds];
2546 yList[i] = yList[nrOfSeekAds];
2547 zList[i] = zList[nrOfSeekAds];
2548 seekAdList[nrOfSeekAds] = NULL;
2554 MatchSoughtLine(char *line)
2556 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2557 int nr, base, inc, u=0; char dummy;
2559 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2560 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2562 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2563 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2564 // match: compact and save the line
2565 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2575 if(!seekGraphUp) return FALSE;
2576 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2577 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2579 DrawSeekBackground(0, 0, w, h);
2580 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2581 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2582 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2583 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2585 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2588 snprintf(buf, MSG_SIZ, "%d", i);
2589 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2592 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2593 for(i=1; i<100; i+=(i<10?1:5)) {
2594 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2595 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2596 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2598 snprintf(buf, MSG_SIZ, "%d", i);
2599 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2602 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2606 int SeekGraphClick(ClickType click, int x, int y, int moving)
2608 static int lastDown = 0, displayed = 0, lastSecond;
2609 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2610 if(click == Release || moving) return FALSE;
2612 soughtPending = TRUE;
2613 SendToICS(ics_prefix);
2614 SendToICS("sought\n"); // should this be "sought all"?
2615 } else { // issue challenge based on clicked ad
2616 int dist = 10000; int i, closest = 0, second = 0;
2617 for(i=0; i<nrOfSeekAds; i++) {
2618 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2619 if(d < dist) { dist = d; closest = i; }
2620 second += (d - zList[i] < 120); // count in-range ads
2621 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2625 second = (second > 1);
2626 if(displayed != closest || second != lastSecond) {
2627 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2628 lastSecond = second; displayed = closest;
2630 if(click == Press) {
2631 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2634 } // on press 'hit', only show info
2635 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2636 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2637 SendToICS(ics_prefix);
2639 return TRUE; // let incoming board of started game pop down the graph
2640 } else if(click == Release) { // release 'miss' is ignored
2641 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2642 if(moving == 2) { // right up-click
2643 nrOfSeekAds = 0; // refresh graph
2644 soughtPending = TRUE;
2645 SendToICS(ics_prefix);
2646 SendToICS("sought\n"); // should this be "sought all"?
2649 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2650 // press miss or release hit 'pop down' seek graph
2651 seekGraphUp = FALSE;
2652 DrawPosition(TRUE, NULL);
2658 read_from_ics(isr, closure, data, count, error)
2665 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2666 #define STARTED_NONE 0
2667 #define STARTED_MOVES 1
2668 #define STARTED_BOARD 2
2669 #define STARTED_OBSERVE 3
2670 #define STARTED_HOLDINGS 4
2671 #define STARTED_CHATTER 5
2672 #define STARTED_COMMENT 6
2673 #define STARTED_MOVES_NOHIDE 7
2675 static int started = STARTED_NONE;
2676 static char parse[20000];
2677 static int parse_pos = 0;
2678 static char buf[BUF_SIZE + 1];
2679 static int firstTime = TRUE, intfSet = FALSE;
2680 static ColorClass prevColor = ColorNormal;
2681 static int savingComment = FALSE;
2682 static int cmatch = 0; // continuation sequence match
2689 int backup; /* [DM] For zippy color lines */
2691 char talker[MSG_SIZ]; // [HGM] chat
2694 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2696 if (appData.debugMode) {
2698 fprintf(debugFP, "<ICS: ");
2699 show_bytes(debugFP, data, count);
2700 fprintf(debugFP, "\n");
2704 if (appData.debugMode) { int f = forwardMostMove;
2705 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2706 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2707 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2710 /* If last read ended with a partial line that we couldn't parse,
2711 prepend it to the new read and try again. */
2712 if (leftover_len > 0) {
2713 for (i=0; i<leftover_len; i++)
2714 buf[i] = buf[leftover_start + i];
2717 /* copy new characters into the buffer */
2718 bp = buf + leftover_len;
2719 buf_len=leftover_len;
2720 for (i=0; i<count; i++)
2723 if (data[i] == '\r')
2726 // join lines split by ICS?
2727 if (!appData.noJoin)
2730 Joining just consists of finding matches against the
2731 continuation sequence, and discarding that sequence
2732 if found instead of copying it. So, until a match
2733 fails, there's nothing to do since it might be the
2734 complete sequence, and thus, something we don't want
2737 if (data[i] == cont_seq[cmatch])
2740 if (cmatch == strlen(cont_seq))
2742 cmatch = 0; // complete match. just reset the counter
2745 it's possible for the ICS to not include the space
2746 at the end of the last word, making our [correct]
2747 join operation fuse two separate words. the server
2748 does this when the space occurs at the width setting.
2750 if (!buf_len || buf[buf_len-1] != ' ')
2761 match failed, so we have to copy what matched before
2762 falling through and copying this character. In reality,
2763 this will only ever be just the newline character, but
2764 it doesn't hurt to be precise.
2766 strncpy(bp, cont_seq, cmatch);
2778 buf[buf_len] = NULLCHAR;
2779 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2784 while (i < buf_len) {
2785 /* Deal with part of the TELNET option negotiation
2786 protocol. We refuse to do anything beyond the
2787 defaults, except that we allow the WILL ECHO option,
2788 which ICS uses to turn off password echoing when we are
2789 directly connected to it. We reject this option
2790 if localLineEditing mode is on (always on in xboard)
2791 and we are talking to port 23, which might be a real
2792 telnet server that will try to keep WILL ECHO on permanently.
2794 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2795 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2796 unsigned char option;
2798 switch ((unsigned char) buf[++i]) {
2800 if (appData.debugMode)
2801 fprintf(debugFP, "\n<WILL ");
2802 switch (option = (unsigned char) buf[++i]) {
2804 if (appData.debugMode)
2805 fprintf(debugFP, "ECHO ");
2806 /* Reply only if this is a change, according
2807 to the protocol rules. */
2808 if (remoteEchoOption) break;
2809 if (appData.localLineEditing &&
2810 atoi(appData.icsPort) == TN_PORT) {
2811 TelnetRequest(TN_DONT, TN_ECHO);
2814 TelnetRequest(TN_DO, TN_ECHO);
2815 remoteEchoOption = TRUE;
2819 if (appData.debugMode)
2820 fprintf(debugFP, "%d ", option);
2821 /* Whatever this is, we don't want it. */
2822 TelnetRequest(TN_DONT, option);
2827 if (appData.debugMode)
2828 fprintf(debugFP, "\n<WONT ");
2829 switch (option = (unsigned char) buf[++i]) {
2831 if (appData.debugMode)
2832 fprintf(debugFP, "ECHO ");
2833 /* Reply only if this is a change, according
2834 to the protocol rules. */
2835 if (!remoteEchoOption) break;
2837 TelnetRequest(TN_DONT, TN_ECHO);
2838 remoteEchoOption = FALSE;
2841 if (appData.debugMode)
2842 fprintf(debugFP, "%d ", (unsigned char) option);
2843 /* Whatever this is, it must already be turned
2844 off, because we never agree to turn on
2845 anything non-default, so according to the
2846 protocol rules, we don't reply. */
2851 if (appData.debugMode)
2852 fprintf(debugFP, "\n<DO ");
2853 switch (option = (unsigned char) buf[++i]) {
2855 /* Whatever this is, we refuse to do it. */
2856 if (appData.debugMode)
2857 fprintf(debugFP, "%d ", option);
2858 TelnetRequest(TN_WONT, option);
2863 if (appData.debugMode)
2864 fprintf(debugFP, "\n<DONT ");
2865 switch (option = (unsigned char) buf[++i]) {
2867 if (appData.debugMode)
2868 fprintf(debugFP, "%d ", option);
2869 /* Whatever this is, we are already not doing
2870 it, because we never agree to do anything
2871 non-default, so according to the protocol
2872 rules, we don't reply. */
2877 if (appData.debugMode)
2878 fprintf(debugFP, "\n<IAC ");
2879 /* Doubled IAC; pass it through */
2883 if (appData.debugMode)
2884 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2885 /* Drop all other telnet commands on the floor */
2888 if (oldi > next_out)
2889 SendToPlayer(&buf[next_out], oldi - next_out);
2895 /* OK, this at least will *usually* work */
2896 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2900 if (loggedOn && !intfSet) {
2901 if (ics_type == ICS_ICC) {
2902 snprintf(str, MSG_SIZ,
2903 "/set-quietly interface %s\n/set-quietly style 12\n",
2905 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2906 strcat(str, "/set-2 51 1\n/set seek 1\n");
2907 } else if (ics_type == ICS_CHESSNET) {
2908 snprintf(str, MSG_SIZ, "/style 12\n");
2910 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2911 strcat(str, programVersion);
2912 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2913 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2914 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2916 strcat(str, "$iset nohighlight 1\n");
2918 strcat(str, "$iset lock 1\n$style 12\n");
2921 NotifyFrontendLogin();
2925 if (started == STARTED_COMMENT) {
2926 /* Accumulate characters in comment */
2927 parse[parse_pos++] = buf[i];
2928 if (buf[i] == '\n') {
2929 parse[parse_pos] = NULLCHAR;
2930 if(chattingPartner>=0) {
2932 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2933 OutputChatMessage(chattingPartner, mess);
2934 chattingPartner = -1;
2935 next_out = i+1; // [HGM] suppress printing in ICS window
2937 if(!suppressKibitz) // [HGM] kibitz
2938 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2939 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2940 int nrDigit = 0, nrAlph = 0, j;
2941 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2942 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2943 parse[parse_pos] = NULLCHAR;
2944 // try to be smart: if it does not look like search info, it should go to
2945 // ICS interaction window after all, not to engine-output window.
2946 for(j=0; j<parse_pos; j++) { // count letters and digits
2947 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2948 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2949 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2951 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2952 int depth=0; float score;
2953 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2954 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2955 pvInfoList[forwardMostMove-1].depth = depth;
2956 pvInfoList[forwardMostMove-1].score = 100*score;
2958 OutputKibitz(suppressKibitz, parse);
2961 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2962 SendToPlayer(tmp, strlen(tmp));
2964 next_out = i+1; // [HGM] suppress printing in ICS window
2966 started = STARTED_NONE;
2968 /* Don't match patterns against characters in comment */
2973 if (started == STARTED_CHATTER) {
2974 if (buf[i] != '\n') {
2975 /* Don't match patterns against characters in chatter */
2979 started = STARTED_NONE;
2980 if(suppressKibitz) next_out = i+1;
2983 /* Kludge to deal with rcmd protocol */
2984 if (firstTime && looking_at(buf, &i, "\001*")) {
2985 DisplayFatalError(&buf[1], 0, 1);
2991 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2994 if (appData.debugMode)
2995 fprintf(debugFP, "ics_type %d\n", ics_type);
2998 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2999 ics_type = ICS_FICS;
3001 if (appData.debugMode)
3002 fprintf(debugFP, "ics_type %d\n", ics_type);
3005 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3006 ics_type = ICS_CHESSNET;
3008 if (appData.debugMode)
3009 fprintf(debugFP, "ics_type %d\n", ics_type);
3014 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3015 looking_at(buf, &i, "Logging you in as \"*\"") ||
3016 looking_at(buf, &i, "will be \"*\""))) {
3017 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3021 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3023 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3024 DisplayIcsInteractionTitle(buf);
3025 have_set_title = TRUE;
3028 /* skip finger notes */
3029 if (started == STARTED_NONE &&
3030 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3031 (buf[i] == '1' && buf[i+1] == '0')) &&
3032 buf[i+2] == ':' && buf[i+3] == ' ') {
3033 started = STARTED_CHATTER;
3039 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3040 if(appData.seekGraph) {
3041 if(soughtPending && MatchSoughtLine(buf+i)) {
3042 i = strstr(buf+i, "rated") - buf;
3043 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3044 next_out = leftover_start = i;
3045 started = STARTED_CHATTER;
3046 suppressKibitz = TRUE;
3049 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3050 && looking_at(buf, &i, "* ads displayed")) {
3051 soughtPending = FALSE;
3056 if(appData.autoRefresh) {
3057 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3058 int s = (ics_type == ICS_ICC); // ICC format differs
3060 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3061 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3062 looking_at(buf, &i, "*% "); // eat prompt
3063 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3064 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3065 next_out = i; // suppress
3068 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3069 char *p = star_match[0];
3071 if(seekGraphUp) RemoveSeekAd(atoi(p));
3072 while(*p && *p++ != ' '); // next
3074 looking_at(buf, &i, "*% "); // eat prompt
3075 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3082 /* skip formula vars */
3083 if (started == STARTED_NONE &&
3084 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3085 started = STARTED_CHATTER;
3090 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3091 if (appData.autoKibitz && started == STARTED_NONE &&
3092 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3093 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3094 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3095 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3096 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3097 suppressKibitz = TRUE;
3098 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3100 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3101 && (gameMode == IcsPlayingWhite)) ||
3102 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3103 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3104 started = STARTED_CHATTER; // own kibitz we simply discard
3106 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3107 parse_pos = 0; parse[0] = NULLCHAR;
3108 savingComment = TRUE;
3109 suppressKibitz = gameMode != IcsObserving ? 2 :
3110 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3114 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3115 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3116 && atoi(star_match[0])) {
3117 // suppress the acknowledgements of our own autoKibitz
3119 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3120 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3121 SendToPlayer(star_match[0], strlen(star_match[0]));
3122 if(looking_at(buf, &i, "*% ")) // eat prompt
3123 suppressKibitz = FALSE;
3127 } // [HGM] kibitz: end of patch
3129 // [HGM] chat: intercept tells by users for which we have an open chat window
3131 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3132 looking_at(buf, &i, "* whispers:") ||
3133 looking_at(buf, &i, "* kibitzes:") ||
3134 looking_at(buf, &i, "* shouts:") ||
3135 looking_at(buf, &i, "* c-shouts:") ||
3136 looking_at(buf, &i, "--> * ") ||
3137 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3138 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3139 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3140 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3142 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3143 chattingPartner = -1;
3145 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3146 for(p=0; p<MAX_CHAT; p++) {
3147 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3148 talker[0] = '['; strcat(talker, "] ");
3149 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3150 chattingPartner = p; break;
3153 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3154 for(p=0; p<MAX_CHAT; p++) {
3155 if(!strcmp("kibitzes", chatPartner[p])) {
3156 talker[0] = '['; strcat(talker, "] ");
3157 chattingPartner = p; break;
3160 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3161 for(p=0; p<MAX_CHAT; p++) {
3162 if(!strcmp("whispers", chatPartner[p])) {
3163 talker[0] = '['; strcat(talker, "] ");
3164 chattingPartner = p; break;
3167 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3168 if(buf[i-8] == '-' && buf[i-3] == 't')
3169 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3170 if(!strcmp("c-shouts", chatPartner[p])) {
3171 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3172 chattingPartner = p; break;
3175 if(chattingPartner < 0)
3176 for(p=0; p<MAX_CHAT; p++) {
3177 if(!strcmp("shouts", chatPartner[p])) {
3178 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3179 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3180 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3181 chattingPartner = p; break;
3185 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3186 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3187 talker[0] = 0; Colorize(ColorTell, FALSE);
3188 chattingPartner = p; break;
3190 if(chattingPartner<0) i = oldi; else {
3191 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3192 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3193 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3194 started = STARTED_COMMENT;
3195 parse_pos = 0; parse[0] = NULLCHAR;
3196 savingComment = 3 + chattingPartner; // counts as TRUE
3197 suppressKibitz = TRUE;
3200 } // [HGM] chat: end of patch
3203 if (appData.zippyTalk || appData.zippyPlay) {
3204 /* [DM] Backup address for color zippy lines */
3206 if (loggedOn == TRUE)
3207 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3208 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3210 } // [DM] 'else { ' deleted
3212 /* Regular tells and says */
3213 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3214 looking_at(buf, &i, "* (your partner) tells you: ") ||
3215 looking_at(buf, &i, "* says: ") ||
3216 /* Don't color "message" or "messages" output */
3217 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3218 looking_at(buf, &i, "*. * at *:*: ") ||
3219 looking_at(buf, &i, "--* (*:*): ") ||
3220 /* Message notifications (same color as tells) */
3221 looking_at(buf, &i, "* has left a message ") ||
3222 looking_at(buf, &i, "* just sent you a message:\n") ||
3223 /* Whispers and kibitzes */
3224 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3225 looking_at(buf, &i, "* kibitzes: ") ||
3227 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3229 if (tkind == 1 && strchr(star_match[0], ':')) {
3230 /* Avoid "tells you:" spoofs in channels */
3233 if (star_match[0][0] == NULLCHAR ||
3234 strchr(star_match[0], ' ') ||
3235 (tkind == 3 && strchr(star_match[1], ' '))) {
3236 /* Reject bogus matches */
3239 if (appData.colorize) {
3240 if (oldi > next_out) {
3241 SendToPlayer(&buf[next_out], oldi - next_out);
3246 Colorize(ColorTell, FALSE);
3247 curColor = ColorTell;
3250 Colorize(ColorKibitz, FALSE);
3251 curColor = ColorKibitz;
3254 p = strrchr(star_match[1], '(');
3261 Colorize(ColorChannel1, FALSE);
3262 curColor = ColorChannel1;
3264 Colorize(ColorChannel, FALSE);
3265 curColor = ColorChannel;
3269 curColor = ColorNormal;
3273 if (started == STARTED_NONE && appData.autoComment &&
3274 (gameMode == IcsObserving ||
3275 gameMode == IcsPlayingWhite ||
3276 gameMode == IcsPlayingBlack)) {
3277 parse_pos = i - oldi;
3278 memcpy(parse, &buf[oldi], parse_pos);
3279 parse[parse_pos] = NULLCHAR;
3280 started = STARTED_COMMENT;
3281 savingComment = TRUE;
3283 started = STARTED_CHATTER;
3284 savingComment = FALSE;
3291 if (looking_at(buf, &i, "* s-shouts: ") ||
3292 looking_at(buf, &i, "* c-shouts: ")) {
3293 if (appData.colorize) {
3294 if (oldi > next_out) {
3295 SendToPlayer(&buf[next_out], oldi - next_out);
3298 Colorize(ColorSShout, FALSE);
3299 curColor = ColorSShout;
3302 started = STARTED_CHATTER;
3306 if (looking_at(buf, &i, "--->")) {
3311 if (looking_at(buf, &i, "* shouts: ") ||
3312 looking_at(buf, &i, "--> ")) {
3313 if (appData.colorize) {
3314 if (oldi > next_out) {
3315 SendToPlayer(&buf[next_out], oldi - next_out);
3318 Colorize(ColorShout, FALSE);
3319 curColor = ColorShout;
3322 started = STARTED_CHATTER;
3326 if (looking_at( buf, &i, "Challenge:")) {
3327 if (appData.colorize) {
3328 if (oldi > next_out) {
3329 SendToPlayer(&buf[next_out], oldi - next_out);
3332 Colorize(ColorChallenge, FALSE);
3333 curColor = ColorChallenge;
3339 if (looking_at(buf, &i, "* offers you") ||
3340 looking_at(buf, &i, "* offers to be") ||
3341 looking_at(buf, &i, "* would like to") ||
3342 looking_at(buf, &i, "* requests to") ||
3343 looking_at(buf, &i, "Your opponent offers") ||
3344 looking_at(buf, &i, "Your opponent requests")) {
3346 if (appData.colorize) {
3347 if (oldi > next_out) {
3348 SendToPlayer(&buf[next_out], oldi - next_out);
3351 Colorize(ColorRequest, FALSE);
3352 curColor = ColorRequest;
3357 if (looking_at(buf, &i, "* (*) seeking")) {
3358 if (appData.colorize) {
3359 if (oldi > next_out) {
3360 SendToPlayer(&buf[next_out], oldi - next_out);
3363 Colorize(ColorSeek, FALSE);
3364 curColor = ColorSeek;
3369 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3371 if (looking_at(buf, &i, "\\ ")) {
3372 if (prevColor != ColorNormal) {
3373 if (oldi > next_out) {
3374 SendToPlayer(&buf[next_out], oldi - next_out);
3377 Colorize(prevColor, TRUE);
3378 curColor = prevColor;
3380 if (savingComment) {
3381 parse_pos = i - oldi;
3382 memcpy(parse, &buf[oldi], parse_pos);
3383 parse[parse_pos] = NULLCHAR;
3384 started = STARTED_COMMENT;
3385 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3386 chattingPartner = savingComment - 3; // kludge to remember the box
3388 started = STARTED_CHATTER;
3393 if (looking_at(buf, &i, "Black Strength :") ||
3394 looking_at(buf, &i, "<<< style 10 board >>>") ||
3395 looking_at(buf, &i, "<10>") ||
3396 looking_at(buf, &i, "#@#")) {
3397 /* Wrong board style */
3399 SendToICS(ics_prefix);
3400 SendToICS("set style 12\n");
3401 SendToICS(ics_prefix);
3402 SendToICS("refresh\n");
3406 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3408 have_sent_ICS_logon = 1;
3412 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3413 (looking_at(buf, &i, "\n<12> ") ||
3414 looking_at(buf, &i, "<12> "))) {
3416 if (oldi > next_out) {
3417 SendToPlayer(&buf[next_out], oldi - next_out);
3420 started = STARTED_BOARD;
3425 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3426 looking_at(buf, &i, "<b1> ")) {
3427 if (oldi > next_out) {
3428 SendToPlayer(&buf[next_out], oldi - next_out);
3431 started = STARTED_HOLDINGS;
3436 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3438 /* Header for a move list -- first line */
3440 switch (ics_getting_history) {
3444 case BeginningOfGame:
3445 /* User typed "moves" or "oldmoves" while we
3446 were idle. Pretend we asked for these
3447 moves and soak them up so user can step
3448 through them and/or save them.
3451 gameMode = IcsObserving;
3454 ics_getting_history = H_GOT_UNREQ_HEADER;
3456 case EditGame: /*?*/
3457 case EditPosition: /*?*/
3458 /* Should above feature work in these modes too? */
3459 /* For now it doesn't */
3460 ics_getting_history = H_GOT_UNWANTED_HEADER;
3463 ics_getting_history = H_GOT_UNWANTED_HEADER;
3468 /* Is this the right one? */
3469 if (gameInfo.white && gameInfo.black &&
3470 strcmp(gameInfo.white, star_match[0]) == 0 &&
3471 strcmp(gameInfo.black, star_match[2]) == 0) {
3473 ics_getting_history = H_GOT_REQ_HEADER;
3476 case H_GOT_REQ_HEADER:
3477 case H_GOT_UNREQ_HEADER:
3478 case H_GOT_UNWANTED_HEADER:
3479 case H_GETTING_MOVES:
3480 /* Should not happen */
3481 DisplayError(_("Error gathering move list: two headers"), 0);
3482 ics_getting_history = H_FALSE;
3486 /* Save player ratings into gameInfo if needed */
3487 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3488 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3489 (gameInfo.whiteRating == -1 ||
3490 gameInfo.blackRating == -1)) {
3492 gameInfo.whiteRating = string_to_rating(star_match[1]);
3493 gameInfo.blackRating = string_to_rating(star_match[3]);
3494 if (appData.debugMode)
3495 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3496 gameInfo.whiteRating, gameInfo.blackRating);
3501 if (looking_at(buf, &i,
3502 "* * match, initial time: * minute*, increment: * second")) {
3503 /* Header for a move list -- second line */
3504 /* Initial board will follow if this is a wild game */
3505 if (gameInfo.event != NULL) free(gameInfo.event);
3506 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3507 gameInfo.event = StrSave(str);
3508 /* [HGM] we switched variant. Translate boards if needed. */
3509 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3513 if (looking_at(buf, &i, "Move ")) {
3514 /* Beginning of a move list */
3515 switch (ics_getting_history) {
3517 /* Normally should not happen */
3518 /* Maybe user hit reset while we were parsing */
3521 /* Happens if we are ignoring a move list that is not
3522 * the one we just requested. Common if the user
3523 * tries to observe two games without turning off
3526 case H_GETTING_MOVES:
3527 /* Should not happen */
3528 DisplayError(_("Error gathering move list: nested"), 0);
3529 ics_getting_history = H_FALSE;
3531 case H_GOT_REQ_HEADER:
3532 ics_getting_history = H_GETTING_MOVES;
3533 started = STARTED_MOVES;
3535 if (oldi > next_out) {
3536 SendToPlayer(&buf[next_out], oldi - next_out);
3539 case H_GOT_UNREQ_HEADER:
3540 ics_getting_history = H_GETTING_MOVES;
3541 started = STARTED_MOVES_NOHIDE;
3544 case H_GOT_UNWANTED_HEADER:
3545 ics_getting_history = H_FALSE;
3551 if (looking_at(buf, &i, "% ") ||
3552 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3553 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3554 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3555 soughtPending = FALSE;
3559 if(suppressKibitz) next_out = i;
3560 savingComment = FALSE;
3564 case STARTED_MOVES_NOHIDE:
3565 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3566 parse[parse_pos + i - oldi] = NULLCHAR;
3567 ParseGameHistory(parse);
3569 if (appData.zippyPlay && first.initDone) {
3570 FeedMovesToProgram(&first, forwardMostMove);
3571 if (gameMode == IcsPlayingWhite) {
3572 if (WhiteOnMove(forwardMostMove)) {
3573 if (first.sendTime) {
3574 if (first.useColors) {
3575 SendToProgram("black\n", &first);
3577 SendTimeRemaining(&first, TRUE);
3579 if (first.useColors) {
3580 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3582 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3583 first.maybeThinking = TRUE;
3585 if (first.usePlayother) {
3586 if (first.sendTime) {
3587 SendTimeRemaining(&first, TRUE);
3589 SendToProgram("playother\n", &first);
3595 } else if (gameMode == IcsPlayingBlack) {
3596 if (!WhiteOnMove(forwardMostMove)) {
3597 if (first.sendTime) {
3598 if (first.useColors) {
3599 SendToProgram("white\n", &first);
3601 SendTimeRemaining(&first, FALSE);
3603 if (first.useColors) {
3604 SendToProgram("black\n", &first);
3606 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3607 first.maybeThinking = TRUE;
3609 if (first.usePlayother) {
3610 if (first.sendTime) {
3611 SendTimeRemaining(&first, FALSE);
3613 SendToProgram("playother\n", &first);
3622 if (gameMode == IcsObserving && ics_gamenum == -1) {
3623 /* Moves came from oldmoves or moves command
3624 while we weren't doing anything else.
3626 currentMove = forwardMostMove;
3627 ClearHighlights();/*!!could figure this out*/
3628 flipView = appData.flipView;
3629 DrawPosition(TRUE, boards[currentMove]);
3630 DisplayBothClocks();
3631 snprintf(str, MSG_SIZ, _("%s vs. %s"),
3632 gameInfo.white, gameInfo.black);
3636 /* Moves were history of an active game */
3637 if (gameInfo.resultDetails != NULL) {
3638 free(gameInfo.resultDetails);
3639 gameInfo.resultDetails = NULL;
3642 HistorySet(parseList, backwardMostMove,
3643 forwardMostMove, currentMove-1);
3644 DisplayMove(currentMove - 1);
3645 if (started == STARTED_MOVES) next_out = i;
3646 started = STARTED_NONE;
3647 ics_getting_history = H_FALSE;
3650 case STARTED_OBSERVE:
3651 started = STARTED_NONE;
3652 SendToICS(ics_prefix);
3653 SendToICS("refresh\n");
3659 if(bookHit) { // [HGM] book: simulate book reply
3660 static char bookMove[MSG_SIZ]; // a bit generous?
3662 programStats.nodes = programStats.depth = programStats.time =
3663 programStats.score = programStats.got_only_move = 0;
3664 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3666 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3667 strcat(bookMove, bookHit);
3668 HandleMachineMove(bookMove, &first);
3673 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3674 started == STARTED_HOLDINGS ||
3675 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3676 /* Accumulate characters in move list or board */
3677 parse[parse_pos++] = buf[i];
3680 /* Start of game messages. Mostly we detect start of game
3681 when the first board image arrives. On some versions
3682 of the ICS, though, we need to do a "refresh" after starting
3683 to observe in order to get the current board right away. */
3684 if (looking_at(buf, &i, "Adding game * to observation list")) {
3685 started = STARTED_OBSERVE;
3689 /* Handle auto-observe */
3690 if (appData.autoObserve &&
3691 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3692 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3694 /* Choose the player that was highlighted, if any. */
3695 if (star_match[0][0] == '\033' ||
3696 star_match[1][0] != '\033') {
3697 player = star_match[0];
3699 player = star_match[2];
3701 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3702 ics_prefix, StripHighlightAndTitle(player));
3705 /* Save ratings from notify string */
3706 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3707 player1Rating = string_to_rating(star_match[1]);
3708 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3709 player2Rating = string_to_rating(star_match[3]);
3711 if (appData.debugMode)
3713 "Ratings from 'Game notification:' %s %d, %s %d\n",
3714 player1Name, player1Rating,
3715 player2Name, player2Rating);
3720 /* Deal with automatic examine mode after a game,
3721 and with IcsObserving -> IcsExamining transition */
3722 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3723 looking_at(buf, &i, "has made you an examiner of game *")) {
3725 int gamenum = atoi(star_match[0]);
3726 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3727 gamenum == ics_gamenum) {
3728 /* We were already playing or observing this game;
3729 no need to refetch history */
3730 gameMode = IcsExamining;
3732 pauseExamForwardMostMove = forwardMostMove;
3733 } else if (currentMove < forwardMostMove) {
3734 ForwardInner(forwardMostMove);
3737 /* I don't think this case really can happen */
3738 SendToICS(ics_prefix);
3739 SendToICS("refresh\n");
3744 /* Error messages */
3745 // if (ics_user_moved) {
3746 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3747 if (looking_at(buf, &i, "Illegal move") ||
3748 looking_at(buf, &i, "Not a legal move") ||
3749 looking_at(buf, &i, "Your king is in check") ||
3750 looking_at(buf, &i, "It isn't your turn") ||
3751 looking_at(buf, &i, "It is not your move")) {
3753 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3754 currentMove = forwardMostMove-1;
3755 DisplayMove(currentMove - 1); /* before DMError */
3756 DrawPosition(FALSE, boards[currentMove]);
3757 SwitchClocks(forwardMostMove-1); // [HGM] race
3758 DisplayBothClocks();
3760 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3766 if (looking_at(buf, &i, "still have time") ||
3767 looking_at(buf, &i, "not out of time") ||
3768 looking_at(buf, &i, "either player is out of time") ||
3769 looking_at(buf, &i, "has timeseal; checking")) {
3770 /* We must have called his flag a little too soon */
3771 whiteFlag = blackFlag = FALSE;
3775 if (looking_at(buf, &i, "added * seconds to") ||
3776 looking_at(buf, &i, "seconds were added to")) {
3777 /* Update the clocks */
3778 SendToICS(ics_prefix);
3779 SendToICS("refresh\n");
3783 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3784 ics_clock_paused = TRUE;
3789 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3790 ics_clock_paused = FALSE;
3795 /* Grab player ratings from the Creating: message.
3796 Note we have to check for the special case when
3797 the ICS inserts things like [white] or [black]. */
3798 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3799 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3801 0 player 1 name (not necessarily white)
3803 2 empty, white, or black (IGNORED)
3804 3 player 2 name (not necessarily black)
3807 The names/ratings are sorted out when the game
3808 actually starts (below).
3810 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3811 player1Rating = string_to_rating(star_match[1]);
3812 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3813 player2Rating = string_to_rating(star_match[4]);
3815 if (appData.debugMode)
3817 "Ratings from 'Creating:' %s %d, %s %d\n",
3818 player1Name, player1Rating,
3819 player2Name, player2Rating);
3824 /* Improved generic start/end-of-game messages */
3825 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3826 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3827 /* If tkind == 0: */
3828 /* star_match[0] is the game number */
3829 /* [1] is the white player's name */
3830 /* [2] is the black player's name */
3831 /* For end-of-game: */
3832 /* [3] is the reason for the game end */
3833 /* [4] is a PGN end game-token, preceded by " " */
3834 /* For start-of-game: */
3835 /* [3] begins with "Creating" or "Continuing" */
3836 /* [4] is " *" or empty (don't care). */
3837 int gamenum = atoi(star_match[0]);
3838 char *whitename, *blackname, *why, *endtoken;
3839 ChessMove endtype = EndOfFile;
3842 whitename = star_match[1];
3843 blackname = star_match[2];
3844 why = star_match[3];
3845 endtoken = star_match[4];
3847 whitename = star_match[1];
3848 blackname = star_match[3];
3849 why = star_match[5];
3850 endtoken = star_match[6];
3853 /* Game start messages */
3854 if (strncmp(why, "Creating ", 9) == 0 ||
3855 strncmp(why, "Continuing ", 11) == 0) {
3856 gs_gamenum = gamenum;
3857 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3858 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3859 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3861 if (appData.zippyPlay) {
3862 ZippyGameStart(whitename, blackname);
3865 partnerBoardValid = FALSE; // [HGM] bughouse
3869 /* Game end messages */
3870 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3871 ics_gamenum != gamenum) {
3874 while (endtoken[0] == ' ') endtoken++;
3875 switch (endtoken[0]) {
3878 endtype = GameUnfinished;
3881 endtype = BlackWins;
3884 if (endtoken[1] == '/')
3885 endtype = GameIsDrawn;
3887 endtype = WhiteWins;
3890 GameEnds(endtype, why, GE_ICS);
3892 if (appData.zippyPlay && first.initDone) {
3893 ZippyGameEnd(endtype, why);
3894 if (first.pr == NoProc) {
3895 /* Start the next process early so that we'll
3896 be ready for the next challenge */
3897 StartChessProgram(&first);
3899 /* Send "new" early, in case this command takes
3900 a long time to finish, so that we'll be ready
3901 for the next challenge. */
3902 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3906 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3910 if (looking_at(buf, &i, "Removing game * from observation") ||
3911 looking_at(buf, &i, "no longer observing game *") ||
3912 looking_at(buf, &i, "Game * (*) has no examiners")) {
3913 if (gameMode == IcsObserving &&
3914 atoi(star_match[0]) == ics_gamenum)
3916 /* icsEngineAnalyze */
3917 if (appData.icsEngineAnalyze) {
3924 ics_user_moved = FALSE;
3929 if (looking_at(buf, &i, "no longer examining game *")) {
3930 if (gameMode == IcsExamining &&
3931 atoi(star_match[0]) == ics_gamenum)
3935 ics_user_moved = FALSE;
3940 /* Advance leftover_start past any newlines we find,
3941 so only partial lines can get reparsed */
3942 if (looking_at(buf, &i, "\n")) {
3943 prevColor = curColor;
3944 if (curColor != ColorNormal) {
3945 if (oldi > next_out) {
3946 SendToPlayer(&buf[next_out], oldi - next_out);
3949 Colorize(ColorNormal, FALSE);
3950 curColor = ColorNormal;
3952 if (started == STARTED_BOARD) {
3953 started = STARTED_NONE;
3954 parse[parse_pos] = NULLCHAR;
3955 ParseBoard12(parse);
3958 /* Send premove here */
3959 if (appData.premove) {
3961 if (currentMove == 0 &&
3962 gameMode == IcsPlayingWhite &&
3963 appData.premoveWhite) {
3964 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3965 if (appData.debugMode)
3966 fprintf(debugFP, "Sending premove:\n");
3968 } else if (currentMove == 1 &&
3969 gameMode == IcsPlayingBlack &&
3970 appData.premoveBlack) {
3971 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3972 if (appData.debugMode)
3973 fprintf(debugFP, "Sending premove:\n");
3975 } else if (gotPremove) {
3977 ClearPremoveHighlights();
3978 if (appData.debugMode)
3979 fprintf(debugFP, "Sending premove:\n");
3980 UserMoveEvent(premoveFromX, premoveFromY,
3981 premoveToX, premoveToY,
3986 /* Usually suppress following prompt */
3987 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3988 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3989 if (looking_at(buf, &i, "*% ")) {
3990 savingComment = FALSE;
3995 } else if (started == STARTED_HOLDINGS) {
3997 char new_piece[MSG_SIZ];
3998 started = STARTED_NONE;
3999 parse[parse_pos] = NULLCHAR;
4000 if (appData.debugMode)
4001 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4002 parse, currentMove);
4003 if (sscanf(parse, " game %d", &gamenum) == 1) {
4004 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4005 if (gameInfo.variant == VariantNormal) {
4006 /* [HGM] We seem to switch variant during a game!
4007 * Presumably no holdings were displayed, so we have
4008 * to move the position two files to the right to
4009 * create room for them!
4011 VariantClass newVariant;
4012 switch(gameInfo.boardWidth) { // base guess on board width
4013 case 9: newVariant = VariantShogi; break;
4014 case 10: newVariant = VariantGreat; break;
4015 default: newVariant = VariantCrazyhouse; break;
4017 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4018 /* Get a move list just to see the header, which
4019 will tell us whether this is really bug or zh */
4020 if (ics_getting_history == H_FALSE) {
4021 ics_getting_history = H_REQUESTED;
4022 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4026 new_piece[0] = NULLCHAR;
4027 sscanf(parse, "game %d white [%s black [%s <- %s",
4028 &gamenum, white_holding, black_holding,
4030 white_holding[strlen(white_holding)-1] = NULLCHAR;
4031 black_holding[strlen(black_holding)-1] = NULLCHAR;
4032 /* [HGM] copy holdings to board holdings area */
4033 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4034 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4035 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4037 if (appData.zippyPlay && first.initDone) {
4038 ZippyHoldings(white_holding, black_holding,
4042 if (tinyLayout || smallLayout) {
4043 char wh[16], bh[16];
4044 PackHolding(wh, white_holding);
4045 PackHolding(bh, black_holding);
4046 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4047 gameInfo.white, gameInfo.black);
4049 snprintf(str, MSG_SIZ, _("%s [%s] vs. %s [%s]"),
4050 gameInfo.white, white_holding,
4051 gameInfo.black, black_holding);
4053 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4054 DrawPosition(FALSE, boards[currentMove]);
4056 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4057 sscanf(parse, "game %d white [%s black [%s <- %s",
4058 &gamenum, white_holding, black_holding,
4060 white_holding[strlen(white_holding)-1] = NULLCHAR;
4061 black_holding[strlen(black_holding)-1] = NULLCHAR;
4062 /* [HGM] copy holdings to partner-board holdings area */
4063 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4064 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4065 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4066 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4067 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4070 /* Suppress following prompt */
4071 if (looking_at(buf, &i, "*% ")) {
4072 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4073 savingComment = FALSE;
4081 i++; /* skip unparsed character and loop back */
4084 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4085 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4086 // SendToPlayer(&buf[next_out], i - next_out);
4087 started != STARTED_HOLDINGS && leftover_start > next_out) {
4088 SendToPlayer(&buf[next_out], leftover_start - next_out);
4092 leftover_len = buf_len - leftover_start;
4093 /* if buffer ends with something we couldn't parse,
4094 reparse it after appending the next read */
4096 } else if (count == 0) {
4097 RemoveInputSource(isr);
4098 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4100 DisplayFatalError(_("Error reading from ICS"), error, 1);
4105 /* Board style 12 looks like this:
4107 <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
4109 * The "<12> " is stripped before it gets to this routine. The two
4110 * trailing 0's (flip state and clock ticking) are later addition, and
4111 * some chess servers may not have them, or may have only the first.
4112 * Additional trailing fields may be added in the future.
4115 #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"
4117 #define RELATION_OBSERVING_PLAYED 0
4118 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4119 #define RELATION_PLAYING_MYMOVE 1
4120 #define RELATION_PLAYING_NOTMYMOVE -1
4121 #define RELATION_EXAMINING 2
4122 #define RELATION_ISOLATED_BOARD -3
4123 #define RELATION_STARTING_POSITION -4 /* FICS only */
4126 ParseBoard12(string)
4129 GameMode newGameMode;
4130 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4131 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4132 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4133 char to_play, board_chars[200];
4134 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4135 char black[32], white[32];
4137 int prevMove = currentMove;
4140 int fromX, fromY, toX, toY;
4142 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4143 char *bookHit = NULL; // [HGM] book
4144 Boolean weird = FALSE, reqFlag = FALSE;
4146 fromX = fromY = toX = toY = -1;
4150 if (appData.debugMode)
4151 fprintf(debugFP, _("Parsing board: %s\n"), string);
4153 move_str[0] = NULLCHAR;
4154 elapsed_time[0] = NULLCHAR;
4155 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4157 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4158 if(string[i] == ' ') { ranks++; files = 0; }
4160 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4163 for(j = 0; j <i; j++) board_chars[j] = string[j];
4164 board_chars[i] = '\0';
4167 n = sscanf(string, PATTERN, &to_play, &double_push,
4168 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4169 &gamenum, white, black, &relation, &basetime, &increment,
4170 &white_stren, &black_stren, &white_time, &black_time,
4171 &moveNum, str, elapsed_time, move_str, &ics_flip,
4175 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4176 DisplayError(str, 0);
4180 /* Convert the move number to internal form */
4181 moveNum = (moveNum - 1) * 2;
4182 if (to_play == 'B') moveNum++;
4183 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4184 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4190 case RELATION_OBSERVING_PLAYED:
4191 case RELATION_OBSERVING_STATIC:
4192 if (gamenum == -1) {
4193 /* Old ICC buglet */
4194 relation = RELATION_OBSERVING_STATIC;
4196 newGameMode = IcsObserving;
4198 case RELATION_PLAYING_MYMOVE:
4199 case RELATION_PLAYING_NOTMYMOVE:
4201 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4202 IcsPlayingWhite : IcsPlayingBlack;
4204 case RELATION_EXAMINING:
4205 newGameMode = IcsExamining;
4207 case RELATION_ISOLATED_BOARD:
4209 /* Just display this board. If user was doing something else,
4210 we will forget about it until the next board comes. */
4211 newGameMode = IcsIdle;
4213 case RELATION_STARTING_POSITION:
4214 newGameMode = gameMode;
4218 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4219 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4220 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4222 for (k = 0; k < ranks; k++) {
4223 for (j = 0; j < files; j++)
4224 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4225 if(gameInfo.holdingsWidth > 1) {
4226 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4227 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4230 CopyBoard(partnerBoard, board);
4231 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4232 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4233 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4234 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4235 if(toSqr = strchr(str, '-')) {
4236 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4237 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4238 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4239 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4240 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4241 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4242 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4243 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4244 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4245 DisplayMessage(partnerStatus, "");
4246 partnerBoardValid = TRUE;
4250 /* Modify behavior for initial board display on move listing
4253 switch (ics_getting_history) {
4257 case H_GOT_REQ_HEADER:
4258 case H_GOT_UNREQ_HEADER:
4259 /* This is the initial position of the current game */
4260 gamenum = ics_gamenum;
4261 moveNum = 0; /* old ICS bug workaround */
4262 if (to_play == 'B') {
4263 startedFromSetupPosition = TRUE;
4264 blackPlaysFirst = TRUE;
4266 if (forwardMostMove == 0) forwardMostMove = 1;
4267 if (backwardMostMove == 0) backwardMostMove = 1;
4268 if (currentMove == 0) currentMove = 1;
4270 newGameMode = gameMode;
4271 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4273 case H_GOT_UNWANTED_HEADER:
4274 /* This is an initial board that we don't want */
4276 case H_GETTING_MOVES:
4277 /* Should not happen */
4278 DisplayError(_("Error gathering move list: extra board"), 0);
4279 ics_getting_history = H_FALSE;
4283 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4284 weird && (int)gameInfo.variant < (int)VariantShogi) {
4285 /* [HGM] We seem to have switched variant unexpectedly
4286 * Try to guess new variant from board size
4288 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4289 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4290 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4291 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4292 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4293 if(!weird) newVariant = VariantNormal;
4294 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4295 /* Get a move list just to see the header, which
4296 will tell us whether this is really bug or zh */
4297 if (ics_getting_history == H_FALSE) {
4298 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4299 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4304 /* Take action if this is the first board of a new game, or of a
4305 different game than is currently being displayed. */
4306 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4307 relation == RELATION_ISOLATED_BOARD) {
4309 /* Forget the old game and get the history (if any) of the new one */
4310 if (gameMode != BeginningOfGame) {
4314 if (appData.autoRaiseBoard) BoardToTop();
4316 if (gamenum == -1) {
4317 newGameMode = IcsIdle;
4318 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4319 appData.getMoveList && !reqFlag) {
4320 /* Need to get game history */
4321 ics_getting_history = H_REQUESTED;
4322 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4326 /* Initially flip the board to have black on the bottom if playing
4327 black or if the ICS flip flag is set, but let the user change
4328 it with the Flip View button. */
4329 flipView = appData.autoFlipView ?
4330 (newGameMode == IcsPlayingBlack) || ics_flip :
4333 /* Done with values from previous mode; copy in new ones */
4334 gameMode = newGameMode;
4336 ics_gamenum = gamenum;
4337 if (gamenum == gs_gamenum) {
4338 int klen = strlen(gs_kind);
4339 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4340 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4341 gameInfo.event = StrSave(str);
4343 gameInfo.event = StrSave("ICS game");
4345 gameInfo.site = StrSave(appData.icsHost);
4346 gameInfo.date = PGNDate();
4347 gameInfo.round = StrSave("-");
4348 gameInfo.white = StrSave(white);
4349 gameInfo.black = StrSave(black);
4350 timeControl = basetime * 60 * 1000;
4352 timeIncrement = increment * 1000;
4353 movesPerSession = 0;
4354 gameInfo.timeControl = TimeControlTagValue();
4355 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4356 if (appData.debugMode) {
4357 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4358 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4359 setbuf(debugFP, NULL);
4362 gameInfo.outOfBook = NULL;
4364 /* Do we have the ratings? */
4365 if (strcmp(player1Name, white) == 0 &&
4366 strcmp(player2Name, black) == 0) {
4367 if (appData.debugMode)
4368 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4369 player1Rating, player2Rating);
4370 gameInfo.whiteRating = player1Rating;
4371 gameInfo.blackRating = player2Rating;
4372 } else if (strcmp(player2Name, white) == 0 &&
4373 strcmp(player1Name, black) == 0) {
4374 if (appData.debugMode)
4375 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4376 player2Rating, player1Rating);
4377 gameInfo.whiteRating = player2Rating;
4378 gameInfo.blackRating = player1Rating;
4380 player1Name[0] = player2Name[0] = NULLCHAR;
4382 /* Silence shouts if requested */
4383 if (appData.quietPlay &&
4384 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4385 SendToICS(ics_prefix);
4386 SendToICS("set shout 0\n");
4390 /* Deal with midgame name changes */
4392 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4393 if (gameInfo.white) free(gameInfo.white);
4394 gameInfo.white = StrSave(white);
4396 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4397 if (gameInfo.black) free(gameInfo.black);
4398 gameInfo.black = StrSave(black);
4402 /* Throw away game result if anything actually changes in examine mode */
4403 if (gameMode == IcsExamining && !newGame) {
4404 gameInfo.result = GameUnfinished;
4405 if (gameInfo.resultDetails != NULL) {
4406 free(gameInfo.resultDetails);
4407 gameInfo.resultDetails = NULL;
4411 /* In pausing && IcsExamining mode, we ignore boards coming
4412 in if they are in a different variation than we are. */
4413 if (pauseExamInvalid) return;
4414 if (pausing && gameMode == IcsExamining) {
4415 if (moveNum <= pauseExamForwardMostMove) {
4416 pauseExamInvalid = TRUE;
4417 forwardMostMove = pauseExamForwardMostMove;
4422 if (appData.debugMode) {
4423 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4425 /* Parse the board */
4426 for (k = 0; k < ranks; k++) {
4427 for (j = 0; j < files; j++)
4428 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4429 if(gameInfo.holdingsWidth > 1) {
4430 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4431 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4434 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4435 board[5][BOARD_RGHT+1] = WhiteAngel;
4436 board[6][BOARD_RGHT+1] = WhiteMarshall;
4437 board[1][0] = BlackMarshall;
4438 board[2][0] = BlackAngel;
4439 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4441 CopyBoard(boards[moveNum], board);
4442 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4444 startedFromSetupPosition =
4445 !CompareBoards(board, initialPosition);
4446 if(startedFromSetupPosition)
4447 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4450 /* [HGM] Set castling rights. Take the outermost Rooks,
4451 to make it also work for FRC opening positions. Note that board12
4452 is really defective for later FRC positions, as it has no way to
4453 indicate which Rook can castle if they are on the same side of King.
4454 For the initial position we grant rights to the outermost Rooks,
4455 and remember thos rights, and we then copy them on positions
4456 later in an FRC game. This means WB might not recognize castlings with
4457 Rooks that have moved back to their original position as illegal,
4458 but in ICS mode that is not its job anyway.
4460 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4461 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4463 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4464 if(board[0][i] == WhiteRook) j = i;
4465 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4466 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4467 if(board[0][i] == WhiteRook) j = i;
4468 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4469 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4470 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4471 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4472 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4473 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4474 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4476 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4477 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4478 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4479 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4480 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4481 if(board[BOARD_HEIGHT-1][k] == bKing)
4482 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4483 if(gameInfo.variant == VariantTwoKings) {
4484 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4485 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4486 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4489 r = boards[moveNum][CASTLING][0] = initialRights[0];
4490 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4491 r = boards[moveNum][CASTLING][1] = initialRights[1];
4492 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4493 r = boards[moveNum][CASTLING][3] = initialRights[3];
4494 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4495 r = boards[moveNum][CASTLING][4] = initialRights[4];
4496 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4497 /* wildcastle kludge: always assume King has rights */
4498 r = boards[moveNum][CASTLING][2] = initialRights[2];
4499 r = boards[moveNum][CASTLING][5] = initialRights[5];
4501 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4502 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4505 if (ics_getting_history == H_GOT_REQ_HEADER ||
4506 ics_getting_history == H_GOT_UNREQ_HEADER) {
4507 /* This was an initial position from a move list, not
4508 the current position */
4512 /* Update currentMove and known move number limits */
4513 newMove = newGame || moveNum > forwardMostMove;
4516 forwardMostMove = backwardMostMove = currentMove = moveNum;
4517 if (gameMode == IcsExamining && moveNum == 0) {
4518 /* Workaround for ICS limitation: we are not told the wild
4519 type when starting to examine a game. But if we ask for
4520 the move list, the move list header will tell us */
4521 ics_getting_history = H_REQUESTED;
4522 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4525 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4526 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4528 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4529 /* [HGM] applied this also to an engine that is silently watching */
4530 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4531 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4532 gameInfo.variant == currentlyInitializedVariant) {
4533 takeback = forwardMostMove - moveNum;
4534 for (i = 0; i < takeback; i++) {
4535 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4536 SendToProgram("undo\n", &first);
4541 forwardMostMove = moveNum;
4542 if (!pausing || currentMove > forwardMostMove)
4543 currentMove = forwardMostMove;
4545 /* New part of history that is not contiguous with old part */
4546 if (pausing && gameMode == IcsExamining) {
4547 pauseExamInvalid = TRUE;
4548 forwardMostMove = pauseExamForwardMostMove;
4551 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4553 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4554 // [HGM] when we will receive the move list we now request, it will be
4555 // fed to the engine from the first move on. So if the engine is not
4556 // in the initial position now, bring it there.
4557 InitChessProgram(&first, 0);
4560 ics_getting_history = H_REQUESTED;
4561 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4564 forwardMostMove = backwardMostMove = currentMove = moveNum;
4567 /* Update the clocks */
4568 if (strchr(elapsed_time, '.')) {
4570 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4571 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4573 /* Time is in seconds */
4574 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4575 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4580 if (appData.zippyPlay && newGame &&
4581 gameMode != IcsObserving && gameMode != IcsIdle &&
4582 gameMode != IcsExamining)
4583 ZippyFirstBoard(moveNum, basetime, increment);
4586 /* Put the move on the move list, first converting
4587 to canonical algebraic form. */
4589 if (appData.debugMode) {
4590 if (appData.debugMode) { int f = forwardMostMove;
4591 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4592 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4593 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4595 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4596 fprintf(debugFP, "moveNum = %d\n", moveNum);
4597 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4598 setbuf(debugFP, NULL);
4600 if (moveNum <= backwardMostMove) {
4601 /* We don't know what the board looked like before
4603 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4604 strcat(parseList[moveNum - 1], " ");
4605 strcat(parseList[moveNum - 1], elapsed_time);
4606 moveList[moveNum - 1][0] = NULLCHAR;
4607 } else if (strcmp(move_str, "none") == 0) {
4608 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4609 /* Again, we don't know what the board looked like;
4610 this is really the start of the game. */
4611 parseList[moveNum - 1][0] = NULLCHAR;
4612 moveList[moveNum - 1][0] = NULLCHAR;
4613 backwardMostMove = moveNum;
4614 startedFromSetupPosition = TRUE;
4615 fromX = fromY = toX = toY = -1;
4617 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4618 // So we parse the long-algebraic move string in stead of the SAN move
4619 int valid; char buf[MSG_SIZ], *prom;
4621 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4622 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4623 // str looks something like "Q/a1-a2"; kill the slash
4625 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4626 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4627 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4628 strcat(buf, prom); // long move lacks promo specification!
4629 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4630 if(appData.debugMode)
4631 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4632 safeStrCpy(move_str, buf, MSG_SIZ);
4634 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4635 &fromX, &fromY, &toX, &toY, &promoChar)
4636 || ParseOneMove(buf, moveNum - 1, &moveType,
4637 &fromX, &fromY, &toX, &toY, &promoChar);
4638 // end of long SAN patch
4640 (void) CoordsToAlgebraic(boards[moveNum - 1],
4641 PosFlags(moveNum - 1),
4642 fromY, fromX, toY, toX, promoChar,
4643 parseList[moveNum-1]);
4644 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4650 if(gameInfo.variant != VariantShogi)
4651 strcat(parseList[moveNum - 1], "+");
4654 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4655 strcat(parseList[moveNum - 1], "#");
4658 strcat(parseList[moveNum - 1], " ");
4659 strcat(parseList[moveNum - 1], elapsed_time);
4660 /* currentMoveString is set as a side-effect of ParseOneMove */
4661 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4662 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4663 strcat(moveList[moveNum - 1], "\n");
4665 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4666 && gameInfo.variant != VariantGrand) // inherit info that ICS does not give from previous board
4667 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4668 ChessSquare old, new = boards[moveNum][k][j];
4669 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4670 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4671 if(old == new) continue;
4672 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4673 else if(new == WhiteWazir || new == BlackWazir) {
4674 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4675 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4676 else boards[moveNum][k][j] = old; // preserve type of Gold
4677 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4678 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4681 /* Move from ICS was illegal!? Punt. */
4682 if (appData.debugMode) {
4683 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4684 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4686 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4687 strcat(parseList[moveNum - 1], " ");
4688 strcat(parseList[moveNum - 1], elapsed_time);
4689 moveList[moveNum - 1][0] = NULLCHAR;
4690 fromX = fromY = toX = toY = -1;
4693 if (appData.debugMode) {
4694 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4695 setbuf(debugFP, NULL);
4699 /* Send move to chess program (BEFORE animating it). */
4700 if (appData.zippyPlay && !newGame && newMove &&
4701 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4703 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4704 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4705 if (moveList[moveNum - 1][0] == NULLCHAR) {
4706 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4708 DisplayError(str, 0);
4710 if (first.sendTime) {
4711 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4713 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4714 if (firstMove && !bookHit) {
4716 if (first.useColors) {
4717 SendToProgram(gameMode == IcsPlayingWhite ?
4719 "black\ngo\n", &first);
4721 SendToProgram("go\n", &first);
4723 first.maybeThinking = TRUE;
4726 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4727 if (moveList[moveNum - 1][0] == NULLCHAR) {
4728 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4729 DisplayError(str, 0);
4731 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4732 SendMoveToProgram(moveNum - 1, &first);
4739 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4740 /* If move comes from a remote source, animate it. If it
4741 isn't remote, it will have already been animated. */
4742 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4743 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4745 if (!pausing && appData.highlightLastMove) {
4746 SetHighlights(fromX, fromY, toX, toY);
4750 /* Start the clocks */
4751 whiteFlag = blackFlag = FALSE;
4752 appData.clockMode = !(basetime == 0 && increment == 0);
4754 ics_clock_paused = TRUE;
4756 } else if (ticking == 1) {
4757 ics_clock_paused = FALSE;
4759 if (gameMode == IcsIdle ||
4760 relation == RELATION_OBSERVING_STATIC ||
4761 relation == RELATION_EXAMINING ||
4763 DisplayBothClocks();
4767 /* Display opponents and material strengths */
4768 if (gameInfo.variant != VariantBughouse &&
4769 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4770 if (tinyLayout || smallLayout) {
4771 if(gameInfo.variant == VariantNormal)
4772 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4773 gameInfo.white, white_stren, gameInfo.black, black_stren,
4774 basetime, increment);
4776 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4777 gameInfo.white, white_stren, gameInfo.black, black_stren,
4778 basetime, increment, (int) gameInfo.variant);
4780 if(gameInfo.variant == VariantNormal)
4781 snprintf(str, MSG_SIZ, _("%s (%d) vs. %s (%d) {%d %d}"),
4782 gameInfo.white, white_stren, gameInfo.black, black_stren,
4783 basetime, increment);
4785 snprintf(str, MSG_SIZ, _("%s (%d) vs. %s (%d) {%d %d %s}"),
4786 gameInfo.white, white_stren, gameInfo.black, black_stren,
4787 basetime, increment, VariantName(gameInfo.variant));
4790 if (appData.debugMode) {
4791 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4796 /* Display the board */
4797 if (!pausing && !appData.noGUI) {
4799 if (appData.premove)
4801 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4802 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4803 ClearPremoveHighlights();
4805 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4806 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4807 DrawPosition(j, boards[currentMove]);
4809 DisplayMove(moveNum - 1);
4810 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4811 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4812 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4813 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4817 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4819 if(bookHit) { // [HGM] book: simulate book reply
4820 static char bookMove[MSG_SIZ]; // a bit generous?
4822 programStats.nodes = programStats.depth = programStats.time =
4823 programStats.score = programStats.got_only_move = 0;
4824 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4826 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4827 strcat(bookMove, bookHit);
4828 HandleMachineMove(bookMove, &first);
4837 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4838 ics_getting_history = H_REQUESTED;
4839 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4845 AnalysisPeriodicEvent(force)
4848 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4849 && !force) || !appData.periodicUpdates)
4852 /* Send . command to Crafty to collect stats */
4853 SendToProgram(".\n", &first);
4855 /* Don't send another until we get a response (this makes
4856 us stop sending to old Crafty's which don't understand
4857 the "." command (sending illegal cmds resets node count & time,
4858 which looks bad)) */
4859 programStats.ok_to_send = 0;
4862 void ics_update_width(new_width)
4865 ics_printf("set width %d\n", new_width);
4869 SendMoveToProgram(moveNum, cps)
4871 ChessProgramState *cps;
4875 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4876 // null move in variant where engine does not understand it (for analysis purposes)
4877 SendBoard(cps, moveNum + 1); // send position after move in stead.
4880 if (cps->useUsermove) {
4881 SendToProgram("usermove ", cps);
4885 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4886 int len = space - parseList[moveNum];
4887 memcpy(buf, parseList[moveNum], len);
4889 buf[len] = NULLCHAR;
4891 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4893 SendToProgram(buf, cps);
4895 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4896 AlphaRank(moveList[moveNum], 4);
4897 SendToProgram(moveList[moveNum], cps);
4898 AlphaRank(moveList[moveNum], 4); // and back
4900 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4901 * the engine. It would be nice to have a better way to identify castle
4903 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4904 && cps->useOOCastle) {
4905 int fromX = moveList[moveNum][0] - AAA;
4906 int fromY = moveList[moveNum][1] - ONE;
4907 int toX = moveList[moveNum][2] - AAA;
4908 int toY = moveList[moveNum][3] - ONE;
4909 if((boards[moveNum][fromY][fromX] == WhiteKing
4910 && boards[moveNum][toY][toX] == WhiteRook)
4911 || (boards[moveNum][fromY][fromX] == BlackKing
4912 && boards[moveNum][toY][toX] == BlackRook)) {
4913 if(toX > fromX) SendToProgram("O-O\n", cps);
4914 else SendToProgram("O-O-O\n", cps);
4916 else SendToProgram(moveList[moveNum], cps);
4918 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4919 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4920 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4921 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4922 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4924 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4925 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4926 SendToProgram(buf, cps);
4928 else SendToProgram(moveList[moveNum], cps);
4929 /* End of additions by Tord */
4932 /* [HGM] setting up the opening has brought engine in force mode! */
4933 /* Send 'go' if we are in a mode where machine should play. */
4934 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4935 (gameMode == TwoMachinesPlay ||
4937 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4939 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4940 SendToProgram("go\n", cps);
4941 if (appData.debugMode) {
4942 fprintf(debugFP, "(extra)\n");
4945 setboardSpoiledMachineBlack = 0;
4949 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4951 int fromX, fromY, toX, toY;
4954 char user_move[MSG_SIZ];
4957 if(gameInfo.variant == VariantSChess && promoChar) {
4958 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
4959 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
4960 } else suffix[0] = NULLCHAR;
4964 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4965 (int)moveType, fromX, fromY, toX, toY);
4966 DisplayError(user_move + strlen("say "), 0);
4968 case WhiteKingSideCastle:
4969 case BlackKingSideCastle:
4970 case WhiteQueenSideCastleWild:
4971 case BlackQueenSideCastleWild:
4973 case WhiteHSideCastleFR:
4974 case BlackHSideCastleFR:
4976 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
4978 case WhiteQueenSideCastle:
4979 case BlackQueenSideCastle:
4980 case WhiteKingSideCastleWild:
4981 case BlackKingSideCastleWild:
4983 case WhiteASideCastleFR:
4984 case BlackASideCastleFR:
4986 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
4988 case WhiteNonPromotion:
4989 case BlackNonPromotion:
4990 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4992 case WhitePromotion:
4993 case BlackPromotion:
4994 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4995 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4996 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4997 PieceToChar(WhiteFerz));
4998 else if(gameInfo.variant == VariantGreat)
4999 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5000 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5001 PieceToChar(WhiteMan));
5003 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5004 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5010 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5011 ToUpper(PieceToChar((ChessSquare) fromX)),
5012 AAA + toX, ONE + toY);
5014 case IllegalMove: /* could be a variant we don't quite understand */
5015 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5017 case WhiteCapturesEnPassant:
5018 case BlackCapturesEnPassant:
5019 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5020 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5023 SendToICS(user_move);
5024 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5025 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5030 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5031 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5032 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5033 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5034 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5037 if(gameMode != IcsExamining) { // is this ever not the case?
5038 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5040 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5041 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5042 } else { // on FICS we must first go to general examine mode
5043 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5045 if(gameInfo.variant != VariantNormal) {
5046 // try figure out wild number, as xboard names are not always valid on ICS
5047 for(i=1; i<=36; i++) {
5048 snprintf(buf, MSG_SIZ, "wild/%d", i);
5049 if(StringToVariant(buf) == gameInfo.variant) break;
5051 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5052 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5053 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5054 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5055 SendToICS(ics_prefix);
5057 if(startedFromSetupPosition || backwardMostMove != 0) {
5058 fen = PositionToFEN(backwardMostMove, NULL);
5059 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5060 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5062 } else { // FICS: everything has to set by separate bsetup commands
5063 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5064 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5066 if(!WhiteOnMove(backwardMostMove)) {
5067 SendToICS("bsetup tomove black\n");
5069 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5070 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5072 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5073 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5075 i = boards[backwardMostMove][EP_STATUS];
5076 if(i >= 0) { // set e.p.
5077 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5083 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5084 SendToICS("bsetup done\n"); // switch to normal examining.
5086 for(i = backwardMostMove; i<last; i++) {
5088 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5091 SendToICS(ics_prefix);
5092 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5096 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5101 if (rf == DROP_RANK) {
5102 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5103 sprintf(move, "%c@%c%c\n",
5104 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5106 if (promoChar == 'x' || promoChar == NULLCHAR) {
5107 sprintf(move, "%c%c%c%c\n",
5108 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5110 sprintf(move, "%c%c%c%c%c\n",
5111 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5117 ProcessICSInitScript(f)
5122 while (fgets(buf, MSG_SIZ, f)) {
5123 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5130 static int lastX, lastY, selectFlag, dragging;
5135 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5136 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5137 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5138 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5139 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5140 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5143 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5144 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5145 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5146 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5147 if(!step) step = -1;
5148 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5149 appData.testLegality && (promoSweep == king ||
5150 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5151 ChangeDragPiece(promoSweep);
5154 int PromoScroll(int x, int y)
5158 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5159 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5160 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5161 if(!step) return FALSE;
5162 lastX = x; lastY = y;
5163 if((promoSweep < BlackPawn) == flipView) step = -step;
5164 if(step > 0) selectFlag = 1;
5165 if(!selectFlag) Sweep(step);
5172 ChessSquare piece = boards[currentMove][toY][toX];
5175 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5176 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5177 if(!step) step = -1;
5178 } while(PieceToChar(pieceSweep) == '.');
5179 boards[currentMove][toY][toX] = pieceSweep;
5180 DrawPosition(FALSE, boards[currentMove]);
5181 boards[currentMove][toY][toX] = piece;
5183 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5185 AlphaRank(char *move, int n)
5187 // char *p = move, c; int x, y;
5189 if (appData.debugMode) {
5190 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5194 move[2]>='0' && move[2]<='9' &&
5195 move[3]>='a' && move[3]<='x' ) {
5197 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5198 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5200 if(move[0]>='0' && move[0]<='9' &&
5201 move[1]>='a' && move[1]<='x' &&
5202 move[2]>='0' && move[2]<='9' &&
5203 move[3]>='a' && move[3]<='x' ) {
5204 /* input move, Shogi -> normal */
5205 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5206 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5207 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5208 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5211 move[3]>='0' && move[3]<='9' &&
5212 move[2]>='a' && move[2]<='x' ) {
5214 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5215 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5218 move[0]>='a' && move[0]<='x' &&
5219 move[3]>='0' && move[3]<='9' &&
5220 move[2]>='a' && move[2]<='x' ) {
5221 /* output move, normal -> Shogi */
5222 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5223 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5224 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5225 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5226 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5228 if (appData.debugMode) {
5229 fprintf(debugFP, " out = '%s'\n", move);
5233 char yy_textstr[8000];
5235 /* Parser for moves from gnuchess, ICS, or user typein box */
5237 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5240 ChessMove *moveType;
5241 int *fromX, *fromY, *toX, *toY;
5244 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5246 switch (*moveType) {
5247 case WhitePromotion:
5248 case BlackPromotion:
5249 case WhiteNonPromotion:
5250 case BlackNonPromotion:
5252 case WhiteCapturesEnPassant:
5253 case BlackCapturesEnPassant:
5254 case WhiteKingSideCastle:
5255 case WhiteQueenSideCastle:
5256 case BlackKingSideCastle:
5257 case BlackQueenSideCastle:
5258 case WhiteKingSideCastleWild:
5259 case WhiteQueenSideCastleWild:
5260 case BlackKingSideCastleWild:
5261 case BlackQueenSideCastleWild:
5262 /* Code added by Tord: */
5263 case WhiteHSideCastleFR:
5264 case WhiteASideCastleFR:
5265 case BlackHSideCastleFR:
5266 case BlackASideCastleFR:
5267 /* End of code added by Tord */
5268 case IllegalMove: /* bug or odd chess variant */
5269 *fromX = currentMoveString[0] - AAA;
5270 *fromY = currentMoveString[1] - ONE;
5271 *toX = currentMoveString[2] - AAA;
5272 *toY = currentMoveString[3] - ONE;
5273 *promoChar = currentMoveString[4];
5274 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5275 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5276 if (appData.debugMode) {
5277 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5279 *fromX = *fromY = *toX = *toY = 0;
5282 if (appData.testLegality) {
5283 return (*moveType != IllegalMove);
5285 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5286 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5291 *fromX = *moveType == WhiteDrop ?
5292 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5293 (int) CharToPiece(ToLower(currentMoveString[0]));
5295 *toX = currentMoveString[2] - AAA;
5296 *toY = currentMoveString[3] - ONE;
5297 *promoChar = NULLCHAR;
5301 case ImpossibleMove:
5311 if (appData.debugMode) {
5312 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5315 *fromX = *fromY = *toX = *toY = 0;
5316 *promoChar = NULLCHAR;
5321 Boolean pushed = FALSE;
5322 char *lastParseAttempt;
5325 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5326 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5327 int fromX, fromY, toX, toY; char promoChar;
5332 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5333 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5336 endPV = forwardMostMove;
5338 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5339 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5340 lastParseAttempt = pv;
5341 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5342 if(appData.debugMode){
5343 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);
5345 if(!valid && nr == 0 &&
5346 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5347 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5348 // Hande case where played move is different from leading PV move
5349 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5350 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5351 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5352 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5353 endPV += 2; // if position different, keep this
5354 moveList[endPV-1][0] = fromX + AAA;
5355 moveList[endPV-1][1] = fromY + ONE;
5356 moveList[endPV-1][2] = toX + AAA;
5357 moveList[endPV-1][3] = toY + ONE;
5358 parseList[endPV-1][0] = NULLCHAR;
5359 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5362 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5363 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5364 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5365 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5366 valid++; // allow comments in PV
5370 if(endPV+1 > framePtr) break; // no space, truncate
5373 CopyBoard(boards[endPV], boards[endPV-1]);
5374 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5375 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5376 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5377 CoordsToAlgebraic(boards[endPV - 1],
5378 PosFlags(endPV - 1),
5379 fromY, fromX, toY, toX, promoChar,
5380 parseList[endPV - 1]);
5382 if(atEnd == 2) return; // used hidden, for PV conversion
5383 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5384 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5385 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5386 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5387 DrawPosition(TRUE, boards[currentMove]);
5391 MultiPV(ChessProgramState *cps)
5392 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5394 for(i=0; i<cps->nrOptions; i++)
5395 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5401 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5403 int startPV, multi, lineStart, origIndex = index;
5404 char *p, buf2[MSG_SIZ];
5406 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5407 lastX = x; lastY = y;
5408 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5409 lineStart = startPV = index;
5410 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5411 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5413 do{ while(buf[index] && buf[index] != '\n') index++;
5414 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5416 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5417 int n = first.option[multi].value;
5418 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5419 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5420 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5421 first.option[multi].value = n;
5425 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5426 *start = startPV; *end = index-1;
5433 static char buf[10*MSG_SIZ];
5434 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5436 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5437 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5438 for(i = forwardMostMove; i<endPV; i++){
5439 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5440 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5443 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5444 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5450 LoadPV(int x, int y)
5451 { // called on right mouse click to load PV
5452 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5453 lastX = x; lastY = y;
5454 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5461 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5462 if(endPV < 0) return;
5464 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5465 Boolean saveAnimate = appData.animate;
5467 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5468 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5469 } else storedGames--; // abandon shelved tail of original game
5472 forwardMostMove = currentMove;
5473 currentMove = oldFMM;
5474 appData.animate = FALSE;
5475 ToNrEvent(forwardMostMove);
5476 appData.animate = saveAnimate;
5478 currentMove = forwardMostMove;
5479 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5480 ClearPremoveHighlights();
5481 DrawPosition(TRUE, boards[currentMove]);
5485 MovePV(int x, int y, int h)
5486 { // step through PV based on mouse coordinates (called on mouse move)
5487 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5489 // we must somehow check if right button is still down (might be released off board!)
5490 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5491 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5492 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5494 lastX = x; lastY = y;
5496 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5497 if(endPV < 0) return;
5498 if(y < margin) step = 1; else
5499 if(y > h - margin) step = -1;
5500 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5501 currentMove += step;
5502 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5503 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5504 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5505 DrawPosition(FALSE, boards[currentMove]);
5509 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5510 // All positions will have equal probability, but the current method will not provide a unique
5511 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5517 int piecesLeft[(int)BlackPawn];
5518 int seed, nrOfShuffles;
5520 void GetPositionNumber()
5521 { // sets global variable seed
5524 seed = appData.defaultFrcPosition;
5525 if(seed < 0) { // randomize based on time for negative FRC position numbers
5526 for(i=0; i<50; i++) seed += random();
5527 seed = random() ^ random() >> 8 ^ random() << 8;
5528 if(seed<0) seed = -seed;
5532 int put(Board board, int pieceType, int rank, int n, int shade)
5533 // put the piece on the (n-1)-th empty squares of the given shade
5537 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5538 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5539 board[rank][i] = (ChessSquare) pieceType;
5540 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5542 piecesLeft[pieceType]--;
5550 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5551 // calculate where the next piece goes, (any empty square), and put it there
5555 i = seed % squaresLeft[shade];
5556 nrOfShuffles *= squaresLeft[shade];
5557 seed /= squaresLeft[shade];
5558 put(board, pieceType, rank, i, shade);
5561 void AddTwoPieces(Board board, int pieceType, int rank)
5562 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5564 int i, n=squaresLeft[ANY], j=n-1, k;
5566 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5567 i = seed % k; // pick one
5570 while(i >= j) i -= j--;
5571 j = n - 1 - j; i += j;
5572 put(board, pieceType, rank, j, ANY);
5573 put(board, pieceType, rank, i, ANY);
5576 void SetUpShuffle(Board board, int number)
5580 GetPositionNumber(); nrOfShuffles = 1;
5582 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5583 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5584 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5586 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5588 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5589 p = (int) board[0][i];
5590 if(p < (int) BlackPawn) piecesLeft[p] ++;
5591 board[0][i] = EmptySquare;
5594 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5595 // shuffles restricted to allow normal castling put KRR first
5596 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5597 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5598 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5599 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5600 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5601 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5602 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5603 put(board, WhiteRook, 0, 0, ANY);
5604 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5607 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5608 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5609 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5610 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5611 while(piecesLeft[p] >= 2) {
5612 AddOnePiece(board, p, 0, LITE);
5613 AddOnePiece(board, p, 0, DARK);
5615 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5618 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5619 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5620 // but we leave King and Rooks for last, to possibly obey FRC restriction
5621 if(p == (int)WhiteRook) continue;
5622 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5623 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5626 // now everything is placed, except perhaps King (Unicorn) and Rooks
5628 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5629 // Last King gets castling rights
5630 while(piecesLeft[(int)WhiteUnicorn]) {
5631 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5632 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5635 while(piecesLeft[(int)WhiteKing]) {
5636 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5637 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5642 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5643 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5646 // Only Rooks can be left; simply place them all
5647 while(piecesLeft[(int)WhiteRook]) {
5648 i = put(board, WhiteRook, 0, 0, ANY);
5649 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5652 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5654 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5657 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5658 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5661 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5664 int SetCharTable( char *table, const char * map )
5665 /* [HGM] moved here from winboard.c because of its general usefulness */
5666 /* Basically a safe strcpy that uses the last character as King */
5668 int result = FALSE; int NrPieces;
5670 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5671 && NrPieces >= 12 && !(NrPieces&1)) {
5672 int i; /* [HGM] Accept even length from 12 to 34 */
5674 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5675 for( i=0; i<NrPieces/2-1; i++ ) {
5677 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5679 table[(int) WhiteKing] = map[NrPieces/2-1];
5680 table[(int) BlackKing] = map[NrPieces-1];
5688 void Prelude(Board board)
5689 { // [HGM] superchess: random selection of exo-pieces
5690 int i, j, k; ChessSquare p;
5691 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5693 GetPositionNumber(); // use FRC position number
5695 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5696 SetCharTable(pieceToChar, appData.pieceToCharTable);
5697 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5698 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5701 j = seed%4; seed /= 4;
5702 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5703 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5704 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5705 j = seed%3 + (seed%3 >= j); seed /= 3;
5706 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5707 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5708 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5709 j = seed%3; seed /= 3;
5710 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5711 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5712 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5713 j = seed%2 + (seed%2 >= j); seed /= 2;
5714 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5715 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5716 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5717 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5718 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5719 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5720 put(board, exoPieces[0], 0, 0, ANY);
5721 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5725 InitPosition(redraw)
5728 ChessSquare (* pieces)[BOARD_FILES];
5729 int i, j, pawnRow, overrule,
5730 oldx = gameInfo.boardWidth,
5731 oldy = gameInfo.boardHeight,
5732 oldh = gameInfo.holdingsWidth;
5735 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5737 /* [AS] Initialize pv info list [HGM] and game status */
5739 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5740 pvInfoList[i].depth = 0;
5741 boards[i][EP_STATUS] = EP_NONE;
5742 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5745 initialRulePlies = 0; /* 50-move counter start */
5747 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5748 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5752 /* [HGM] logic here is completely changed. In stead of full positions */
5753 /* the initialized data only consist of the two backranks. The switch */
5754 /* selects which one we will use, which is than copied to the Board */
5755 /* initialPosition, which for the rest is initialized by Pawns and */
5756 /* empty squares. This initial position is then copied to boards[0], */
5757 /* possibly after shuffling, so that it remains available. */
5759 gameInfo.holdingsWidth = 0; /* default board sizes */
5760 gameInfo.boardWidth = 8;
5761 gameInfo.boardHeight = 8;
5762 gameInfo.holdingsSize = 0;
5763 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5764 for(i=0; i<BOARD_FILES-2; i++)
5765 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5766 initialPosition[EP_STATUS] = EP_NONE;
5767 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5768 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5769 SetCharTable(pieceNickName, appData.pieceNickNames);
5770 else SetCharTable(pieceNickName, "............");
5773 switch (gameInfo.variant) {
5774 case VariantFischeRandom:
5775 shuffleOpenings = TRUE;
5778 case VariantShatranj:
5779 pieces = ShatranjArray;
5780 nrCastlingRights = 0;
5781 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5784 pieces = makrukArray;
5785 nrCastlingRights = 0;
5786 startedFromSetupPosition = TRUE;
5787 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5789 case VariantTwoKings:
5790 pieces = twoKingsArray;
5793 pieces = GrandArray;
5794 nrCastlingRights = 0;
5795 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5796 gameInfo.boardWidth = 10;
5797 gameInfo.boardHeight = 10;
5798 gameInfo.holdingsSize = 7;
5800 case VariantCapaRandom:
5801 shuffleOpenings = TRUE;
5802 case VariantCapablanca:
5803 pieces = CapablancaArray;
5804 gameInfo.boardWidth = 10;
5805 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5808 pieces = GothicArray;
5809 gameInfo.boardWidth = 10;
5810 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5813 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5814 gameInfo.holdingsSize = 7;
5817 pieces = JanusArray;
5818 gameInfo.boardWidth = 10;
5819 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5820 nrCastlingRights = 6;
5821 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5822 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5823 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5824 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5825 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5826 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5829 pieces = FalconArray;
5830 gameInfo.boardWidth = 10;
5831 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5833 case VariantXiangqi:
5834 pieces = XiangqiArray;
5835 gameInfo.boardWidth = 9;
5836 gameInfo.boardHeight = 10;
5837 nrCastlingRights = 0;
5838 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5841 pieces = ShogiArray;
5842 gameInfo.boardWidth = 9;
5843 gameInfo.boardHeight = 9;
5844 gameInfo.holdingsSize = 7;
5845 nrCastlingRights = 0;
5846 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5848 case VariantCourier:
5849 pieces = CourierArray;
5850 gameInfo.boardWidth = 12;
5851 nrCastlingRights = 0;
5852 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5854 case VariantKnightmate:
5855 pieces = KnightmateArray;
5856 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5858 case VariantSpartan:
5859 pieces = SpartanArray;
5860 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5863 pieces = fairyArray;
5864 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5867 pieces = GreatArray;
5868 gameInfo.boardWidth = 10;
5869 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5870 gameInfo.holdingsSize = 8;
5874 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5875 gameInfo.holdingsSize = 8;
5876 startedFromSetupPosition = TRUE;
5878 case VariantCrazyhouse:
5879 case VariantBughouse:
5881 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5882 gameInfo.holdingsSize = 5;
5884 case VariantWildCastle:
5886 /* !!?shuffle with kings guaranteed to be on d or e file */
5887 shuffleOpenings = 1;
5889 case VariantNoCastle:
5891 nrCastlingRights = 0;
5892 /* !!?unconstrained back-rank shuffle */
5893 shuffleOpenings = 1;
5898 if(appData.NrFiles >= 0) {
5899 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5900 gameInfo.boardWidth = appData.NrFiles;
5902 if(appData.NrRanks >= 0) {
5903 gameInfo.boardHeight = appData.NrRanks;
5905 if(appData.holdingsSize >= 0) {
5906 i = appData.holdingsSize;
5907 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5908 gameInfo.holdingsSize = i;
5910 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5911 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5912 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5914 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5915 if(pawnRow < 1) pawnRow = 1;
5916 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5918 /* User pieceToChar list overrules defaults */
5919 if(appData.pieceToCharTable != NULL)
5920 SetCharTable(pieceToChar, appData.pieceToCharTable);
5922 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5924 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5925 s = (ChessSquare) 0; /* account holding counts in guard band */
5926 for( i=0; i<BOARD_HEIGHT; i++ )
5927 initialPosition[i][j] = s;
5929 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5930 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5931 initialPosition[pawnRow][j] = WhitePawn;
5932 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5933 if(gameInfo.variant == VariantXiangqi) {
5935 initialPosition[pawnRow][j] =
5936 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5937 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5938 initialPosition[2][j] = WhiteCannon;
5939 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5943 if(gameInfo.variant == VariantGrand) {
5944 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5945 initialPosition[0][j] = WhiteRook;
5946 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5949 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5951 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5954 initialPosition[1][j] = WhiteBishop;
5955 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5957 initialPosition[1][j] = WhiteRook;
5958 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5961 if( nrCastlingRights == -1) {
5962 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5963 /* This sets default castling rights from none to normal corners */
5964 /* Variants with other castling rights must set them themselves above */
5965 nrCastlingRights = 6;
5967 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5968 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5969 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5970 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5971 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5972 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5975 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5976 if(gameInfo.variant == VariantGreat) { // promotion commoners
5977 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5978 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5979 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5980 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5982 if( gameInfo.variant == VariantSChess ) {
5983 initialPosition[1][0] = BlackMarshall;
5984 initialPosition[2][0] = BlackAngel;
5985 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5986 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5987 initialPosition[1][1] = initialPosition[2][1] =
5988 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5990 if (appData.debugMode) {
5991 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5993 if(shuffleOpenings) {
5994 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5995 startedFromSetupPosition = TRUE;
5997 if(startedFromPositionFile) {
5998 /* [HGM] loadPos: use PositionFile for every new game */
5999 CopyBoard(initialPosition, filePosition);
6000 for(i=0; i<nrCastlingRights; i++)
6001 initialRights[i] = filePosition[CASTLING][i];
6002 startedFromSetupPosition = TRUE;
6005 CopyBoard(boards[0], initialPosition);
6007 if(oldx != gameInfo.boardWidth ||
6008 oldy != gameInfo.boardHeight ||
6009 oldv != gameInfo.variant ||
6010 oldh != gameInfo.holdingsWidth
6012 InitDrawingSizes(-2 ,0);
6014 oldv = gameInfo.variant;
6016 DrawPosition(TRUE, boards[currentMove]);
6020 SendBoard(cps, moveNum)
6021 ChessProgramState *cps;
6024 char message[MSG_SIZ];
6026 if (cps->useSetboard) {
6027 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6028 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6029 SendToProgram(message, cps);
6034 int i, j, left=0, right=BOARD_WIDTH;
6035 /* Kludge to set black to move, avoiding the troublesome and now
6036 * deprecated "black" command.
6038 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6039 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6041 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6043 SendToProgram("edit\n", cps);
6044 SendToProgram("#\n", cps);
6045 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6046 bp = &boards[moveNum][i][left];
6047 for (j = left; j < right; j++, bp++) {
6048 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6049 if ((int) *bp < (int) BlackPawn) {
6050 if(j == BOARD_RGHT+1)
6051 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6052 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6053 if(message[0] == '+' || message[0] == '~') {
6054 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6055 PieceToChar((ChessSquare)(DEMOTED *bp)),
6058 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6059 message[1] = BOARD_RGHT - 1 - j + '1';
6060 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6062 SendToProgram(message, cps);
6067 SendToProgram("c\n", cps);
6068 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6069 bp = &boards[moveNum][i][left];
6070 for (j = left; j < right; j++, bp++) {
6071 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6072 if (((int) *bp != (int) EmptySquare)
6073 && ((int) *bp >= (int) BlackPawn)) {
6074 if(j == BOARD_LEFT-2)
6075 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6076 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6078 if(message[0] == '+' || message[0] == '~') {
6079 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6080 PieceToChar((ChessSquare)(DEMOTED *bp)),
6083 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6084 message[1] = BOARD_RGHT - 1 - j + '1';
6085 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6087 SendToProgram(message, cps);
6092 SendToProgram(".\n", cps);
6094 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6098 DefaultPromoChoice(int white)
6101 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6102 result = WhiteFerz; // no choice
6103 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6104 result= WhiteKing; // in Suicide Q is the last thing we want
6105 else if(gameInfo.variant == VariantSpartan)
6106 result = white ? WhiteQueen : WhiteAngel;
6107 else result = WhiteQueen;
6108 if(!white) result = WHITE_TO_BLACK result;
6112 static int autoQueen; // [HGM] oneclick
6115 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6117 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6118 /* [HGM] add Shogi promotions */
6119 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6124 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6125 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6127 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6128 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6131 piece = boards[currentMove][fromY][fromX];
6132 if(gameInfo.variant == VariantShogi) {
6133 promotionZoneSize = BOARD_HEIGHT/3;
6134 highestPromotingPiece = (int)WhiteFerz;
6135 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6136 promotionZoneSize = 3;
6139 // Treat Lance as Pawn when it is not representing Amazon
6140 if(gameInfo.variant != VariantSuper) {
6141 if(piece == WhiteLance) piece = WhitePawn; else
6142 if(piece == BlackLance) piece = BlackPawn;
6145 // next weed out all moves that do not touch the promotion zone at all
6146 if((int)piece >= BlackPawn) {
6147 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6149 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6151 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6152 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6155 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6157 // weed out mandatory Shogi promotions
6158 if(gameInfo.variant == VariantShogi) {
6159 if(piece >= BlackPawn) {
6160 if(toY == 0 && piece == BlackPawn ||
6161 toY == 0 && piece == BlackQueen ||
6162 toY <= 1 && piece == BlackKnight) {
6167 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6168 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6169 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6176 // weed out obviously illegal Pawn moves
6177 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6178 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6179 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6180 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6181 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6182 // note we are not allowed to test for valid (non-)capture, due to premove
6185 // we either have a choice what to promote to, or (in Shogi) whether to promote
6186 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6187 *promoChoice = PieceToChar(BlackFerz); // no choice
6190 // no sense asking what we must promote to if it is going to explode...
6191 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6192 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6195 // give caller the default choice even if we will not make it
6196 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6197 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6198 if( sweepSelect && gameInfo.variant != VariantGreat
6199 && gameInfo.variant != VariantGrand
6200 && gameInfo.variant != VariantSuper) return FALSE;
6201 if(autoQueen) return FALSE; // predetermined
6203 // suppress promotion popup on illegal moves that are not premoves
6204 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6205 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6206 if(appData.testLegality && !premove) {
6207 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6208 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6209 if(moveType != WhitePromotion && moveType != BlackPromotion)
6217 InPalace(row, column)
6219 { /* [HGM] for Xiangqi */
6220 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6221 column < (BOARD_WIDTH + 4)/2 &&
6222 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6227 PieceForSquare (x, y)
6231 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6234 return boards[currentMove][y][x];
6238 OKToStartUserMove(x, y)
6241 ChessSquare from_piece;
6244 if (matchMode) return FALSE;
6245 if (gameMode == EditPosition) return TRUE;
6247 if (x >= 0 && y >= 0)
6248 from_piece = boards[currentMove][y][x];
6250 from_piece = EmptySquare;
6252 if (from_piece == EmptySquare) return FALSE;
6254 white_piece = (int)from_piece >= (int)WhitePawn &&
6255 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6259 case TwoMachinesPlay:
6267 case MachinePlaysWhite:
6268 case IcsPlayingBlack:
6269 if (appData.zippyPlay) return FALSE;
6271 DisplayMoveError(_("You are playing Black"));
6276 case MachinePlaysBlack:
6277 case IcsPlayingWhite:
6278 if (appData.zippyPlay) return FALSE;
6280 DisplayMoveError(_("You are playing White"));
6285 case PlayFromGameFile:
6286 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6288 if (!white_piece && WhiteOnMove(currentMove)) {
6289 DisplayMoveError(_("It is White's turn"));
6292 if (white_piece && !WhiteOnMove(currentMove)) {
6293 DisplayMoveError(_("It is Black's turn"));
6296 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6297 /* Editing correspondence game history */
6298 /* Could disallow this or prompt for confirmation */
6303 case BeginningOfGame:
6304 if (appData.icsActive) return FALSE;
6305 if (!appData.noChessProgram) {
6307 DisplayMoveError(_("You are playing White"));
6314 if (!white_piece && WhiteOnMove(currentMove)) {
6315 DisplayMoveError(_("It is White's turn"));
6318 if (white_piece && !WhiteOnMove(currentMove)) {
6319 DisplayMoveError(_("It is Black's turn"));
6328 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6329 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6330 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6331 && gameMode != AnalyzeFile && gameMode != Training) {
6332 DisplayMoveError(_("Displayed position is not current"));
6339 OnlyMove(int *x, int *y, Boolean captures) {
6340 DisambiguateClosure cl;
6341 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6343 case MachinePlaysBlack:
6344 case IcsPlayingWhite:
6345 case BeginningOfGame:
6346 if(!WhiteOnMove(currentMove)) return FALSE;
6348 case MachinePlaysWhite:
6349 case IcsPlayingBlack:
6350 if(WhiteOnMove(currentMove)) return FALSE;
6357 cl.pieceIn = EmptySquare;
6362 cl.promoCharIn = NULLCHAR;
6363 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6364 if( cl.kind == NormalMove ||
6365 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6366 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6367 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6374 if(cl.kind != ImpossibleMove) return FALSE;
6375 cl.pieceIn = EmptySquare;
6380 cl.promoCharIn = NULLCHAR;
6381 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6382 if( cl.kind == NormalMove ||
6383 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6384 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6385 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6390 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6396 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6397 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6398 int lastLoadGameUseList = FALSE;
6399 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6400 ChessMove lastLoadGameStart = EndOfFile;
6403 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6404 int fromX, fromY, toX, toY;
6408 ChessSquare pdown, pup;
6410 /* Check if the user is playing in turn. This is complicated because we
6411 let the user "pick up" a piece before it is his turn. So the piece he
6412 tried to pick up may have been captured by the time he puts it down!
6413 Therefore we use the color the user is supposed to be playing in this
6414 test, not the color of the piece that is currently on the starting
6415 square---except in EditGame mode, where the user is playing both
6416 sides; fortunately there the capture race can't happen. (It can
6417 now happen in IcsExamining mode, but that's just too bad. The user
6418 will get a somewhat confusing message in that case.)
6423 case TwoMachinesPlay:
6427 /* We switched into a game mode where moves are not accepted,
6428 perhaps while the mouse button was down. */
6431 case MachinePlaysWhite:
6432 /* User is moving for Black */
6433 if (WhiteOnMove(currentMove)) {
6434 DisplayMoveError(_("It is White's turn"));
6439 case MachinePlaysBlack:
6440 /* User is moving for White */
6441 if (!WhiteOnMove(currentMove)) {
6442 DisplayMoveError(_("It is Black's turn"));
6447 case PlayFromGameFile:
6448 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6451 case BeginningOfGame:
6454 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6455 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6456 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6457 /* User is moving for Black */
6458 if (WhiteOnMove(currentMove)) {
6459 DisplayMoveError(_("It is White's turn"));
6463 /* User is moving for White */
6464 if (!WhiteOnMove(currentMove)) {
6465 DisplayMoveError(_("It is Black's turn"));
6471 case IcsPlayingBlack:
6472 /* User is moving for Black */
6473 if (WhiteOnMove(currentMove)) {
6474 if (!appData.premove) {
6475 DisplayMoveError(_("It is White's turn"));
6476 } else if (toX >= 0 && toY >= 0) {
6479 premoveFromX = fromX;
6480 premoveFromY = fromY;
6481 premovePromoChar = promoChar;
6483 if (appData.debugMode)
6484 fprintf(debugFP, "Got premove: fromX %d,"
6485 "fromY %d, toX %d, toY %d\n",
6486 fromX, fromY, toX, toY);
6492 case IcsPlayingWhite:
6493 /* User is moving for White */
6494 if (!WhiteOnMove(currentMove)) {
6495 if (!appData.premove) {
6496 DisplayMoveError(_("It is Black's turn"));
6497 } else if (toX >= 0 && toY >= 0) {
6500 premoveFromX = fromX;
6501 premoveFromY = fromY;
6502 premovePromoChar = promoChar;
6504 if (appData.debugMode)
6505 fprintf(debugFP, "Got premove: fromX %d,"
6506 "fromY %d, toX %d, toY %d\n",
6507 fromX, fromY, toX, toY);
6517 /* EditPosition, empty square, or different color piece;
6518 click-click move is possible */
6519 if (toX == -2 || toY == -2) {
6520 boards[0][fromY][fromX] = EmptySquare;
6521 DrawPosition(FALSE, boards[currentMove]);
6523 } else if (toX >= 0 && toY >= 0) {
6524 boards[0][toY][toX] = boards[0][fromY][fromX];
6525 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6526 if(boards[0][fromY][0] != EmptySquare) {
6527 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6528 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6531 if(fromX == BOARD_RGHT+1) {
6532 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6533 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6534 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6537 boards[0][fromY][fromX] = EmptySquare;
6538 DrawPosition(FALSE, boards[currentMove]);
6544 if(toX < 0 || toY < 0) return;
6545 pdown = boards[currentMove][fromY][fromX];
6546 pup = boards[currentMove][toY][toX];
6548 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6549 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6550 if( pup != EmptySquare ) return;
6551 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6552 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6553 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6554 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6555 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6556 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6557 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6561 /* [HGM] always test for legality, to get promotion info */
6562 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6563 fromY, fromX, toY, toX, promoChar);
6565 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6567 /* [HGM] but possibly ignore an IllegalMove result */
6568 if (appData.testLegality) {
6569 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6570 DisplayMoveError(_("Illegal move"));
6575 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6578 /* Common tail of UserMoveEvent and DropMenuEvent */
6580 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6582 int fromX, fromY, toX, toY;
6583 /*char*/int promoChar;
6587 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6588 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6589 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6590 if(WhiteOnMove(currentMove)) {
6591 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6593 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6597 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6598 move type in caller when we know the move is a legal promotion */
6599 if(moveType == NormalMove && promoChar)
6600 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6602 /* [HGM] <popupFix> The following if has been moved here from
6603 UserMoveEvent(). Because it seemed to belong here (why not allow
6604 piece drops in training games?), and because it can only be
6605 performed after it is known to what we promote. */
6606 if (gameMode == Training) {
6607 /* compare the move played on the board to the next move in the
6608 * game. If they match, display the move and the opponent's response.
6609 * If they don't match, display an error message.
6613 CopyBoard(testBoard, boards[currentMove]);
6614 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6616 if (CompareBoards(testBoard, boards[currentMove+1])) {
6617 ForwardInner(currentMove+1);
6619 /* Autoplay the opponent's response.
6620 * if appData.animate was TRUE when Training mode was entered,
6621 * the response will be animated.
6623 saveAnimate = appData.animate;
6624 appData.animate = animateTraining;
6625 ForwardInner(currentMove+1);
6626 appData.animate = saveAnimate;
6628 /* check for the end of the game */
6629 if (currentMove >= forwardMostMove) {
6630 gameMode = PlayFromGameFile;
6632 SetTrainingModeOff();
6633 DisplayInformation(_("End of game"));
6636 DisplayError(_("Incorrect move"), 0);
6641 /* Ok, now we know that the move is good, so we can kill
6642 the previous line in Analysis Mode */
6643 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6644 && currentMove < forwardMostMove) {
6645 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6646 else forwardMostMove = currentMove;
6649 /* If we need the chess program but it's dead, restart it */
6650 ResurrectChessProgram();
6652 /* A user move restarts a paused game*/
6656 thinkOutput[0] = NULLCHAR;
6658 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6660 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6661 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6665 if (gameMode == BeginningOfGame) {
6666 if (appData.noChessProgram) {
6667 gameMode = EditGame;
6671 gameMode = MachinePlaysBlack;
6674 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
6676 if (first.sendName) {
6677 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6678 SendToProgram(buf, &first);
6685 /* Relay move to ICS or chess engine */
6686 if (appData.icsActive) {
6687 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6688 gameMode == IcsExamining) {
6689 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6690 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6692 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6694 // also send plain move, in case ICS does not understand atomic claims
6695 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6699 if (first.sendTime && (gameMode == BeginningOfGame ||
6700 gameMode == MachinePlaysWhite ||
6701 gameMode == MachinePlaysBlack)) {
6702 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6704 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6705 // [HGM] book: if program might be playing, let it use book
6706 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6707 first.maybeThinking = TRUE;
6708 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6709 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6710 SendBoard(&first, currentMove+1);
6711 } else SendMoveToProgram(forwardMostMove-1, &first);
6712 if (currentMove == cmailOldMove + 1) {
6713 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6717 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6721 if(appData.testLegality)
6722 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6728 if (WhiteOnMove(currentMove)) {
6729 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6731 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6735 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6740 case MachinePlaysBlack:
6741 case MachinePlaysWhite:
6742 /* disable certain menu options while machine is thinking */
6743 SetMachineThinkingEnables();
6750 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6751 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6753 if(bookHit) { // [HGM] book: simulate book reply
6754 static char bookMove[MSG_SIZ]; // a bit generous?
6756 programStats.nodes = programStats.depth = programStats.time =
6757 programStats.score = programStats.got_only_move = 0;
6758 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6760 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6761 strcat(bookMove, bookHit);
6762 HandleMachineMove(bookMove, &first);
6768 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6775 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6776 Markers *m = (Markers *) closure;
6777 if(rf == fromY && ff == fromX)
6778 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6779 || kind == WhiteCapturesEnPassant
6780 || kind == BlackCapturesEnPassant);
6781 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6785 MarkTargetSquares(int clear)
6788 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6789 !appData.testLegality || gameMode == EditPosition) return;
6791 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6794 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6795 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6796 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6798 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6801 DrawPosition(TRUE, NULL);
6805 Explode(Board board, int fromX, int fromY, int toX, int toY)
6807 if(gameInfo.variant == VariantAtomic &&
6808 (board[toY][toX] != EmptySquare || // capture?
6809 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6810 board[fromY][fromX] == BlackPawn )
6812 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6818 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6820 int CanPromote(ChessSquare piece, int y)
6822 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6823 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6824 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6825 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6826 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6827 gameInfo.variant == VariantMakruk) return FALSE;
6828 return (piece == BlackPawn && y == 1 ||
6829 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6830 piece == BlackLance && y == 1 ||
6831 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6834 void LeftClick(ClickType clickType, int xPix, int yPix)
6837 Boolean saveAnimate;
6838 static int second = 0, promotionChoice = 0, clearFlag = 0;
6839 char promoChoice = NULLCHAR;
6842 if(appData.seekGraph && appData.icsActive && loggedOn &&
6843 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6844 SeekGraphClick(clickType, xPix, yPix, 0);
6848 if (clickType == Press) ErrorPopDown();
6850 x = EventToSquare(xPix, BOARD_WIDTH);
6851 y = EventToSquare(yPix, BOARD_HEIGHT);
6852 if (!flipView && y >= 0) {
6853 y = BOARD_HEIGHT - 1 - y;
6855 if (flipView && x >= 0) {
6856 x = BOARD_WIDTH - 1 - x;
6859 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6860 defaultPromoChoice = promoSweep;
6861 promoSweep = EmptySquare; // terminate sweep
6862 promoDefaultAltered = TRUE;
6863 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6866 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6867 if(clickType == Release) return; // ignore upclick of click-click destination
6868 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6869 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6870 if(gameInfo.holdingsWidth &&
6871 (WhiteOnMove(currentMove)
6872 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6873 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6874 // click in right holdings, for determining promotion piece
6875 ChessSquare p = boards[currentMove][y][x];
6876 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6877 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6878 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6879 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6884 DrawPosition(FALSE, boards[currentMove]);
6888 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6889 if(clickType == Press
6890 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6891 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6892 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6895 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6896 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6898 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6899 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6900 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6901 defaultPromoChoice = DefaultPromoChoice(side);
6904 autoQueen = appData.alwaysPromoteToQueen;
6908 gatingPiece = EmptySquare;
6909 if (clickType != Press) {
6910 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6911 DragPieceEnd(xPix, yPix); dragging = 0;
6912 DrawPosition(FALSE, NULL);
6916 fromX = x; fromY = y; toX = toY = -1;
6917 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6918 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6919 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6921 if (OKToStartUserMove(fromX, fromY)) {
6923 MarkTargetSquares(0);
6924 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6925 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6926 promoSweep = defaultPromoChoice;
6927 selectFlag = 0; lastX = xPix; lastY = yPix;
6928 Sweep(0); // Pawn that is going to promote: preview promotion piece
6929 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6931 if (appData.highlightDragging) {
6932 SetHighlights(fromX, fromY, -1, -1);
6934 } else fromX = fromY = -1;
6940 if (clickType == Press && gameMode != EditPosition) {
6945 // ignore off-board to clicks
6946 if(y < 0 || x < 0) return;
6948 /* Check if clicking again on the same color piece */
6949 fromP = boards[currentMove][fromY][fromX];
6950 toP = boards[currentMove][y][x];
6951 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6952 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6953 WhitePawn <= toP && toP <= WhiteKing &&
6954 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6955 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6956 (BlackPawn <= fromP && fromP <= BlackKing &&
6957 BlackPawn <= toP && toP <= BlackKing &&
6958 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6959 !(fromP == BlackKing && toP == BlackRook && frc))) {
6960 /* Clicked again on same color piece -- changed his mind */
6961 second = (x == fromX && y == fromY);
6962 promoDefaultAltered = FALSE;
6963 MarkTargetSquares(1);
6964 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6965 if (appData.highlightDragging) {
6966 SetHighlights(x, y, -1, -1);
6970 if (OKToStartUserMove(x, y)) {
6971 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6972 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6973 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6974 gatingPiece = boards[currentMove][fromY][fromX];
6975 else gatingPiece = EmptySquare;
6977 fromY = y; dragging = 1;
6978 MarkTargetSquares(0);
6979 DragPieceBegin(xPix, yPix, FALSE);
6980 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6981 promoSweep = defaultPromoChoice;
6982 selectFlag = 0; lastX = xPix; lastY = yPix;
6983 Sweep(0); // Pawn that is going to promote: preview promotion piece
6987 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6990 // ignore clicks on holdings
6991 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6994 if (clickType == Release && x == fromX && y == fromY) {
6995 DragPieceEnd(xPix, yPix); dragging = 0;
6997 // a deferred attempt to click-click move an empty square on top of a piece
6998 boards[currentMove][y][x] = EmptySquare;
7000 DrawPosition(FALSE, boards[currentMove]);
7001 fromX = fromY = -1; clearFlag = 0;
7004 if (appData.animateDragging) {
7005 /* Undo animation damage if any */
7006 DrawPosition(FALSE, NULL);
7009 /* Second up/down in same square; just abort move */
7012 gatingPiece = EmptySquare;
7015 ClearPremoveHighlights();
7017 /* First upclick in same square; start click-click mode */
7018 SetHighlights(x, y, -1, -1);
7025 /* we now have a different from- and (possibly off-board) to-square */
7026 /* Completed move */
7029 saveAnimate = appData.animate;
7030 MarkTargetSquares(1);
7031 if (clickType == Press) {
7032 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7033 // must be Edit Position mode with empty-square selected
7034 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7035 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7038 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7039 ChessSquare piece = boards[currentMove][fromY][fromX];
7040 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7041 promoSweep = defaultPromoChoice;
7042 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7043 selectFlag = 0; lastX = xPix; lastY = yPix;
7044 Sweep(0); // Pawn that is going to promote: preview promotion piece
7045 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7046 DrawPosition(FALSE, boards[currentMove]);
7049 /* Finish clickclick move */
7050 if (appData.animate || appData.highlightLastMove) {
7051 SetHighlights(fromX, fromY, toX, toY);
7056 /* Finish drag move */
7057 if (appData.highlightLastMove) {
7058 SetHighlights(fromX, fromY, toX, toY);
7062 DragPieceEnd(xPix, yPix); dragging = 0;
7063 /* Don't animate move and drag both */
7064 appData.animate = FALSE;
7067 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7068 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7069 ChessSquare piece = boards[currentMove][fromY][fromX];
7070 if(gameMode == EditPosition && piece != EmptySquare &&
7071 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7074 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7075 n = PieceToNumber(piece - (int)BlackPawn);
7076 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7077 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7078 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7080 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7081 n = PieceToNumber(piece);
7082 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7083 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7084 boards[currentMove][n][BOARD_WIDTH-2]++;
7086 boards[currentMove][fromY][fromX] = EmptySquare;
7090 DrawPosition(TRUE, boards[currentMove]);
7094 // off-board moves should not be highlighted
7095 if(x < 0 || y < 0) ClearHighlights();
7097 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7099 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7100 SetHighlights(fromX, fromY, toX, toY);
7101 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7102 // [HGM] super: promotion to captured piece selected from holdings
7103 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7104 promotionChoice = TRUE;
7105 // kludge follows to temporarily execute move on display, without promoting yet
7106 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7107 boards[currentMove][toY][toX] = p;
7108 DrawPosition(FALSE, boards[currentMove]);
7109 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7110 boards[currentMove][toY][toX] = q;
7111 DisplayMessage("Click in holdings to choose piece", "");
7116 int oldMove = currentMove;
7117 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7118 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7119 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7120 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7121 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7122 DrawPosition(TRUE, boards[currentMove]);
7125 appData.animate = saveAnimate;
7126 if (appData.animate || appData.animateDragging) {
7127 /* Undo animation damage if needed */
7128 DrawPosition(FALSE, NULL);
7132 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7133 { // front-end-free part taken out of PieceMenuPopup
7134 int whichMenu; int xSqr, ySqr;
7136 if(seekGraphUp) { // [HGM] seekgraph
7137 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7138 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7142 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7143 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7144 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7145 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7146 if(action == Press) {
7147 originalFlip = flipView;
7148 flipView = !flipView; // temporarily flip board to see game from partners perspective
7149 DrawPosition(TRUE, partnerBoard);
7150 DisplayMessage(partnerStatus, "");
7152 } else if(action == Release) {
7153 flipView = originalFlip;
7154 DrawPosition(TRUE, boards[currentMove]);
7160 xSqr = EventToSquare(x, BOARD_WIDTH);
7161 ySqr = EventToSquare(y, BOARD_HEIGHT);
7162 if (action == Release) {
7163 if(pieceSweep != EmptySquare) {
7164 EditPositionMenuEvent(pieceSweep, toX, toY);
7165 pieceSweep = EmptySquare;
7166 } else UnLoadPV(); // [HGM] pv
7168 if (action != Press) return -2; // return code to be ignored
7171 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7173 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7174 if (xSqr < 0 || ySqr < 0) return -1;
7175 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7176 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7177 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7178 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7182 if(!appData.icsEngineAnalyze) return -1;
7183 case IcsPlayingWhite:
7184 case IcsPlayingBlack:
7185 if(!appData.zippyPlay) goto noZip;
7188 case MachinePlaysWhite:
7189 case MachinePlaysBlack:
7190 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7191 if (!appData.dropMenu) {
7193 return 2; // flag front-end to grab mouse events
7195 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7196 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7199 if (xSqr < 0 || ySqr < 0) return -1;
7200 if (!appData.dropMenu || appData.testLegality &&
7201 gameInfo.variant != VariantBughouse &&
7202 gameInfo.variant != VariantCrazyhouse) return -1;
7203 whichMenu = 1; // drop menu
7209 if (((*fromX = xSqr) < 0) ||
7210 ((*fromY = ySqr) < 0)) {
7211 *fromX = *fromY = -1;
7215 *fromX = BOARD_WIDTH - 1 - *fromX;
7217 *fromY = BOARD_HEIGHT - 1 - *fromY;
7222 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7224 // char * hint = lastHint;
7225 FrontEndProgramStats stats;
7227 stats.which = cps == &first ? 0 : 1;
7228 stats.depth = cpstats->depth;
7229 stats.nodes = cpstats->nodes;
7230 stats.score = cpstats->score;
7231 stats.time = cpstats->time;
7232 stats.pv = cpstats->movelist;
7233 stats.hint = lastHint;
7234 stats.an_move_index = 0;
7235 stats.an_move_count = 0;
7237 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7238 stats.hint = cpstats->move_name;
7239 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7240 stats.an_move_count = cpstats->nr_moves;
7243 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
7245 SetProgramStats( &stats );
7249 ClearEngineOutputPane(int which)
7251 static FrontEndProgramStats dummyStats;
7252 dummyStats.which = which;
7253 dummyStats.pv = "#";
7254 SetProgramStats( &dummyStats );
7257 #define MAXPLAYERS 500
7260 TourneyStandings(int display)
7262 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7263 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7264 char result, *p, *names[MAXPLAYERS];
7266 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7267 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7268 names[0] = p = strdup(appData.participants);
7269 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7271 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7273 while(result = appData.results[nr]) {
7274 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7275 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7276 wScore = bScore = 0;
7278 case '+': wScore = 2; break;
7279 case '-': bScore = 2; break;
7280 case '=': wScore = bScore = 1; break;
7282 case '*': return strdup("busy"); // tourney not finished
7290 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7291 for(w=0; w<nPlayers; w++) {
7293 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7294 ranking[w] = b; points[w] = bScore; score[b] = -2;
7296 p = malloc(nPlayers*34+1);
7297 for(w=0; w<nPlayers && w<display; w++)
7298 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7304 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7305 { // count all piece types
7307 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7308 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7309 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7312 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7313 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7314 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7315 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7316 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7317 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7322 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7324 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7325 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7327 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7328 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7329 if(myPawns == 2 && nMine == 3) // KPP
7330 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7331 if(myPawns == 1 && nMine == 2) // KP
7332 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7333 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7334 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7335 if(myPawns) return FALSE;
7336 if(pCnt[WhiteRook+side])
7337 return pCnt[BlackRook-side] ||
7338 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7339 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7340 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7341 if(pCnt[WhiteCannon+side]) {
7342 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7343 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7345 if(pCnt[WhiteKnight+side])
7346 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7351 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7353 VariantClass v = gameInfo.variant;
7355 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7356 if(v == VariantShatranj) return TRUE; // always winnable through baring
7357 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7358 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7360 if(v == VariantXiangqi) {
7361 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7363 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7364 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7365 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7366 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7367 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7368 if(stale) // we have at least one last-rank P plus perhaps C
7369 return majors // KPKX
7370 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7372 return pCnt[WhiteFerz+side] // KCAK
7373 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7374 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7375 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7377 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7378 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7380 if(nMine == 1) return FALSE; // bare King
7381 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
7382 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7383 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7384 // by now we have King + 1 piece (or multiple Bishops on the same color)
7385 if(pCnt[WhiteKnight+side])
7386 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7387 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7388 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7390 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7391 if(pCnt[WhiteAlfil+side])
7392 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7393 if(pCnt[WhiteWazir+side])
7394 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7401 CompareWithRights(Board b1, Board b2)
7404 if(!CompareBoards(b1, b2)) return FALSE;
7405 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7406 /* compare castling rights */
7407 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7408 rights++; /* King lost rights, while rook still had them */
7409 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7410 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7411 rights++; /* but at least one rook lost them */
7413 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7415 if( b1[CASTLING][5] != NoRights ) {
7416 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7423 Adjudicate(ChessProgramState *cps)
7424 { // [HGM] some adjudications useful with buggy engines
7425 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7426 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7427 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7428 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7429 int k, count = 0; static int bare = 1;
7430 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7431 Boolean canAdjudicate = !appData.icsActive;
7433 // most tests only when we understand the game, i.e. legality-checking on
7434 if( appData.testLegality )
7435 { /* [HGM] Some more adjudications for obstinate engines */
7436 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7437 static int moveCount = 6;
7439 char *reason = NULL;
7441 /* Count what is on board. */
7442 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7444 /* Some material-based adjudications that have to be made before stalemate test */
7445 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7446 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7447 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7448 if(canAdjudicate && appData.checkMates) {
7450 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7451 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7452 "Xboard adjudication: King destroyed", GE_XBOARD );
7457 /* Bare King in Shatranj (loses) or Losers (wins) */
7458 if( nrW == 1 || nrB == 1) {
7459 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7460 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7461 if(canAdjudicate && appData.checkMates) {
7463 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7464 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7465 "Xboard adjudication: Bare king", GE_XBOARD );
7469 if( gameInfo.variant == VariantShatranj && --bare < 0)
7471 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7472 if(canAdjudicate && appData.checkMates) {
7473 /* but only adjudicate if adjudication enabled */
7475 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7476 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7477 "Xboard adjudication: Bare king", GE_XBOARD );
7484 // don't wait for engine to announce game end if we can judge ourselves
7485 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7487 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7488 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7489 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7490 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7493 reason = "Xboard adjudication: 3rd check";
7494 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7504 reason = "Xboard adjudication: Stalemate";
7505 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7506 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7507 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7508 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7509 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7510 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7511 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7512 EP_CHECKMATE : EP_WINS);
7513 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7514 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7518 reason = "Xboard adjudication: Checkmate";
7519 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7523 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7525 result = GameIsDrawn; break;
7527 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7529 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7533 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7535 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7536 GameEnds( result, reason, GE_XBOARD );
7540 /* Next absolutely insufficient mating material. */
7541 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7542 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7543 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7545 /* always flag draws, for judging claims */
7546 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7548 if(canAdjudicate && appData.materialDraws) {
7549 /* but only adjudicate them if adjudication enabled */
7550 if(engineOpponent) {
7551 SendToProgram("force\n", engineOpponent); // suppress reply
7552 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7554 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7559 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7560 if(gameInfo.variant == VariantXiangqi ?
7561 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7563 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7564 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7565 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7566 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7568 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7569 { /* if the first 3 moves do not show a tactical win, declare draw */
7570 if(engineOpponent) {
7571 SendToProgram("force\n", engineOpponent); // suppress reply
7572 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7574 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7577 } else moveCount = 6;
7579 if (appData.debugMode) { int i;
7580 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7581 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7582 appData.drawRepeats);
7583 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7584 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7588 // Repetition draws and 50-move rule can be applied independently of legality testing
7590 /* Check for rep-draws */
7592 for(k = forwardMostMove-2;
7593 k>=backwardMostMove && k>=forwardMostMove-100 &&
7594 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7595 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7598 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7599 /* compare castling rights */
7600 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7601 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7602 rights++; /* King lost rights, while rook still had them */
7603 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7604 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7605 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7606 rights++; /* but at least one rook lost them */
7608 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7609 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7611 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7612 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7613 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7616 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7617 && appData.drawRepeats > 1) {
7618 /* adjudicate after user-specified nr of repeats */
7619 int result = GameIsDrawn;
7620 char *details = "XBoard adjudication: repetition draw";
7621 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7622 // [HGM] xiangqi: check for forbidden perpetuals
7623 int m, ourPerpetual = 1, hisPerpetual = 1;
7624 for(m=forwardMostMove; m>k; m-=2) {
7625 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7626 ourPerpetual = 0; // the current mover did not always check
7627 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7628 hisPerpetual = 0; // the opponent did not always check
7630 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7631 ourPerpetual, hisPerpetual);
7632 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7633 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7634 details = "Xboard adjudication: perpetual checking";
7636 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7637 break; // (or we would have caught him before). Abort repetition-checking loop.
7639 // Now check for perpetual chases
7640 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7641 hisPerpetual = PerpetualChase(k, forwardMostMove);
7642 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7643 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7644 static char resdet[MSG_SIZ];
7645 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7647 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7649 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7650 break; // Abort repetition-checking loop.
7652 // if neither of us is checking or chasing all the time, or both are, it is draw
7654 if(engineOpponent) {
7655 SendToProgram("force\n", engineOpponent); // suppress reply
7656 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7658 GameEnds( result, details, GE_XBOARD );
7661 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7662 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7666 /* Now we test for 50-move draws. Determine ply count */
7667 count = forwardMostMove;
7668 /* look for last irreversble move */
7669 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7671 /* if we hit starting position, add initial plies */
7672 if( count == backwardMostMove )
7673 count -= initialRulePlies;
7674 count = forwardMostMove - count;
7675 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7676 // adjust reversible move counter for checks in Xiangqi
7677 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7678 if(i < backwardMostMove) i = backwardMostMove;
7679 while(i <= forwardMostMove) {
7680 lastCheck = inCheck; // check evasion does not count
7681 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7682 if(inCheck || lastCheck) count--; // check does not count
7687 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7688 /* this is used to judge if draw claims are legal */
7689 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7690 if(engineOpponent) {
7691 SendToProgram("force\n", engineOpponent); // suppress reply
7692 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7694 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7698 /* if draw offer is pending, treat it as a draw claim
7699 * when draw condition present, to allow engines a way to
7700 * claim draws before making their move to avoid a race
7701 * condition occurring after their move
7703 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7705 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7706 p = "Draw claim: 50-move rule";
7707 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7708 p = "Draw claim: 3-fold repetition";
7709 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7710 p = "Draw claim: insufficient mating material";
7711 if( p != NULL && canAdjudicate) {
7712 if(engineOpponent) {
7713 SendToProgram("force\n", engineOpponent); // suppress reply
7714 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7716 GameEnds( GameIsDrawn, p, GE_XBOARD );
7721 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7722 if(engineOpponent) {
7723 SendToProgram("force\n", engineOpponent); // suppress reply
7724 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7726 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7732 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7733 { // [HGM] book: this routine intercepts moves to simulate book replies
7734 char *bookHit = NULL;
7736 //first determine if the incoming move brings opponent into his book
7737 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7738 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7739 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7740 if(bookHit != NULL && !cps->bookSuspend) {
7741 // make sure opponent is not going to reply after receiving move to book position
7742 SendToProgram("force\n", cps);
7743 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7745 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7746 // now arrange restart after book miss
7748 // after a book hit we never send 'go', and the code after the call to this routine
7749 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7750 char buf[MSG_SIZ], *move = bookHit;
7752 int fromX, fromY, toX, toY;
7756 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7757 &fromX, &fromY, &toX, &toY, &promoChar)) {
7758 (void) CoordsToAlgebraic(boards[forwardMostMove],
7759 PosFlags(forwardMostMove),
7760 fromY, fromX, toY, toX, promoChar, move);
7762 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7766 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7767 SendToProgram(buf, cps);
7768 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7769 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7770 SendToProgram("go\n", cps);
7771 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7772 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7773 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7774 SendToProgram("go\n", cps);
7775 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7777 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7781 ChessProgramState *savedState;
7782 void DeferredBookMove(void)
7784 if(savedState->lastPing != savedState->lastPong)
7785 ScheduleDelayedEvent(DeferredBookMove, 10);
7787 HandleMachineMove(savedMessage, savedState);
7790 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7793 HandleMachineMove(message, cps)
7795 ChessProgramState *cps;
7797 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7798 char realname[MSG_SIZ];
7799 int fromX, fromY, toX, toY;
7806 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7807 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7808 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7809 DisplayError(_("Invalid pairing from pairing engine"), 0);
7812 pairingReceived = 1;
7814 return; // Skim the pairing messages here.
7819 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7821 * Kludge to ignore BEL characters
7823 while (*message == '\007') message++;
7826 * [HGM] engine debug message: ignore lines starting with '#' character
7828 if(cps->debug && *message == '#') return;
7831 * Look for book output
7833 if (cps == &first && bookRequested) {
7834 if (message[0] == '\t' || message[0] == ' ') {
7835 /* Part of the book output is here; append it */
7836 strcat(bookOutput, message);
7837 strcat(bookOutput, " \n");
7839 } else if (bookOutput[0] != NULLCHAR) {
7840 /* All of book output has arrived; display it */
7841 char *p = bookOutput;
7842 while (*p != NULLCHAR) {
7843 if (*p == '\t') *p = ' ';
7846 DisplayInformation(bookOutput);
7847 bookRequested = FALSE;
7848 /* Fall through to parse the current output */
7853 * Look for machine move.
7855 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7856 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7858 /* This method is only useful on engines that support ping */
7859 if (cps->lastPing != cps->lastPong) {
7860 if (gameMode == BeginningOfGame) {
7861 /* Extra move from before last new; ignore */
7862 if (appData.debugMode) {
7863 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7866 if (appData.debugMode) {
7867 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7868 cps->which, gameMode);
7871 SendToProgram("undo\n", cps);
7877 case BeginningOfGame:
7878 /* Extra move from before last reset; ignore */
7879 if (appData.debugMode) {
7880 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7887 /* Extra move after we tried to stop. The mode test is
7888 not a reliable way of detecting this problem, but it's
7889 the best we can do on engines that don't support ping.
7891 if (appData.debugMode) {
7892 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7893 cps->which, gameMode);
7895 SendToProgram("undo\n", cps);
7898 case MachinePlaysWhite:
7899 case IcsPlayingWhite:
7900 machineWhite = TRUE;
7903 case MachinePlaysBlack:
7904 case IcsPlayingBlack:
7905 machineWhite = FALSE;
7908 case TwoMachinesPlay:
7909 machineWhite = (cps->twoMachinesColor[0] == 'w');
7912 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7913 if (appData.debugMode) {
7915 "Ignoring move out of turn by %s, gameMode %d"
7916 ", forwardMost %d\n",
7917 cps->which, gameMode, forwardMostMove);
7922 if (appData.debugMode) { int f = forwardMostMove;
7923 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7924 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7925 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7927 if(cps->alphaRank) AlphaRank(machineMove, 4);
7928 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7929 &fromX, &fromY, &toX, &toY, &promoChar)) {
7930 /* Machine move could not be parsed; ignore it. */
7931 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7932 machineMove, _(cps->which));
7933 DisplayError(buf1, 0);
7934 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7935 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7936 if (gameMode == TwoMachinesPlay) {
7937 GameEnds(machineWhite ? BlackWins : WhiteWins,
7943 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7944 /* So we have to redo legality test with true e.p. status here, */
7945 /* to make sure an illegal e.p. capture does not slip through, */
7946 /* to cause a forfeit on a justified illegal-move complaint */
7947 /* of the opponent. */
7948 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7950 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7951 fromY, fromX, toY, toX, promoChar);
7952 if (appData.debugMode) {
7954 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7955 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7956 fprintf(debugFP, "castling rights\n");
7958 if(moveType == IllegalMove) {
7959 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7960 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7961 GameEnds(machineWhite ? BlackWins : WhiteWins,
7964 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7965 /* [HGM] Kludge to handle engines that send FRC-style castling
7966 when they shouldn't (like TSCP-Gothic) */
7968 case WhiteASideCastleFR:
7969 case BlackASideCastleFR:
7971 currentMoveString[2]++;
7973 case WhiteHSideCastleFR:
7974 case BlackHSideCastleFR:
7976 currentMoveString[2]--;
7978 default: ; // nothing to do, but suppresses warning of pedantic compilers
7981 hintRequested = FALSE;
7982 lastHint[0] = NULLCHAR;
7983 bookRequested = FALSE;
7984 /* Program may be pondering now */
7985 cps->maybeThinking = TRUE;
7986 if (cps->sendTime == 2) cps->sendTime = 1;
7987 if (cps->offeredDraw) cps->offeredDraw--;
7989 /* [AS] Save move info*/
7990 pvInfoList[ forwardMostMove ].score = programStats.score;
7991 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7992 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7994 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7996 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7997 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8000 while( count < adjudicateLossPlies ) {
8001 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8004 score = -score; /* Flip score for winning side */
8007 if( score > adjudicateLossThreshold ) {
8014 if( count >= adjudicateLossPlies ) {
8015 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8017 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8018 "Xboard adjudication",
8025 if(Adjudicate(cps)) {
8026 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8027 return; // [HGM] adjudicate: for all automatic game ends
8031 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8033 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8034 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8036 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8038 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8040 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8041 char buf[3*MSG_SIZ];
8043 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8044 programStats.score / 100.,
8046 programStats.time / 100.,
8047 (unsigned int)programStats.nodes,
8048 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8049 programStats.movelist);
8051 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8056 /* [AS] Clear stats for next move */
8057 ClearProgramStats();
8058 thinkOutput[0] = NULLCHAR;
8059 hiddenThinkOutputState = 0;
8062 if (gameMode == TwoMachinesPlay) {
8063 /* [HGM] relaying draw offers moved to after reception of move */
8064 /* and interpreting offer as claim if it brings draw condition */
8065 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8066 SendToProgram("draw\n", cps->other);
8068 if (cps->other->sendTime) {
8069 SendTimeRemaining(cps->other,
8070 cps->other->twoMachinesColor[0] == 'w');
8072 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8073 if (firstMove && !bookHit) {
8075 if (cps->other->useColors) {
8076 SendToProgram(cps->other->twoMachinesColor, cps->other);
8078 SendToProgram("go\n", cps->other);
8080 cps->other->maybeThinking = TRUE;
8083 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8085 if (!pausing && appData.ringBellAfterMoves) {
8090 * Reenable menu items that were disabled while
8091 * machine was thinking
8093 if (gameMode != TwoMachinesPlay)
8094 SetUserThinkingEnables();
8096 // [HGM] book: after book hit opponent has received move and is now in force mode
8097 // force the book reply into it, and then fake that it outputted this move by jumping
8098 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8100 static char bookMove[MSG_SIZ]; // a bit generous?
8102 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8103 strcat(bookMove, bookHit);
8106 programStats.nodes = programStats.depth = programStats.time =
8107 programStats.score = programStats.got_only_move = 0;
8108 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8110 if(cps->lastPing != cps->lastPong) {
8111 savedMessage = message; // args for deferred call
8113 ScheduleDelayedEvent(DeferredBookMove, 10);
8122 /* Set special modes for chess engines. Later something general
8123 * could be added here; for now there is just one kludge feature,
8124 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8125 * when "xboard" is given as an interactive command.
8127 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8128 cps->useSigint = FALSE;
8129 cps->useSigterm = FALSE;
8131 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8132 ParseFeatures(message+8, cps);
8133 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8136 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8137 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8138 int dummy, s=6; char buf[MSG_SIZ];
8139 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8140 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8141 if(startedFromSetupPosition) return;
8142 ParseFEN(boards[0], &dummy, message+s);
8143 DrawPosition(TRUE, boards[0]);
8144 startedFromSetupPosition = TRUE;
8147 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8148 * want this, I was asked to put it in, and obliged.
8150 if (!strncmp(message, "setboard ", 9)) {
8151 Board initial_position;
8153 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8155 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8156 DisplayError(_("Bad FEN received from engine"), 0);
8160 CopyBoard(boards[0], initial_position);
8161 initialRulePlies = FENrulePlies;
8162 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8163 else gameMode = MachinePlaysBlack;
8164 DrawPosition(FALSE, boards[currentMove]);
8170 * Look for communication commands
8172 if (!strncmp(message, "telluser ", 9)) {
8173 if(message[9] == '\\' && message[10] == '\\')
8174 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8176 DisplayNote(message + 9);
8179 if (!strncmp(message, "tellusererror ", 14)) {
8181 if(message[14] == '\\' && message[15] == '\\')
8182 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8184 DisplayError(message + 14, 0);
8187 if (!strncmp(message, "tellopponent ", 13)) {
8188 if (appData.icsActive) {
8190 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8194 DisplayNote(message + 13);
8198 if (!strncmp(message, "tellothers ", 11)) {
8199 if (appData.icsActive) {
8201 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8207 if (!strncmp(message, "tellall ", 8)) {
8208 if (appData.icsActive) {
8210 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8214 DisplayNote(message + 8);
8218 if (strncmp(message, "warning", 7) == 0) {
8219 /* Undocumented feature, use tellusererror in new code */
8220 DisplayError(message, 0);
8223 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8224 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8225 strcat(realname, " query");
8226 AskQuestion(realname, buf2, buf1, cps->pr);
8229 /* Commands from the engine directly to ICS. We don't allow these to be
8230 * sent until we are logged on. Crafty kibitzes have been known to
8231 * interfere with the login process.
8234 if (!strncmp(message, "tellics ", 8)) {
8235 SendToICS(message + 8);
8239 if (!strncmp(message, "tellicsnoalias ", 15)) {
8240 SendToICS(ics_prefix);
8241 SendToICS(message + 15);
8245 /* The following are for backward compatibility only */
8246 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8247 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8248 SendToICS(ics_prefix);
8254 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8258 * If the move is illegal, cancel it and redraw the board.
8259 * Also deal with other error cases. Matching is rather loose
8260 * here to accommodate engines written before the spec.
8262 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8263 strncmp(message, "Error", 5) == 0) {
8264 if (StrStr(message, "name") ||
8265 StrStr(message, "rating") || StrStr(message, "?") ||
8266 StrStr(message, "result") || StrStr(message, "board") ||
8267 StrStr(message, "bk") || StrStr(message, "computer") ||
8268 StrStr(message, "variant") || StrStr(message, "hint") ||
8269 StrStr(message, "random") || StrStr(message, "depth") ||
8270 StrStr(message, "accepted")) {
8273 if (StrStr(message, "protover")) {
8274 /* Program is responding to input, so it's apparently done
8275 initializing, and this error message indicates it is
8276 protocol version 1. So we don't need to wait any longer
8277 for it to initialize and send feature commands. */
8278 FeatureDone(cps, 1);
8279 cps->protocolVersion = 1;
8282 cps->maybeThinking = FALSE;
8284 if (StrStr(message, "draw")) {
8285 /* Program doesn't have "draw" command */
8286 cps->sendDrawOffers = 0;
8289 if (cps->sendTime != 1 &&
8290 (StrStr(message, "time") || StrStr(message, "otim"))) {
8291 /* Program apparently doesn't have "time" or "otim" command */
8295 if (StrStr(message, "analyze")) {
8296 cps->analysisSupport = FALSE;
8297 cps->analyzing = FALSE;
8298 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8299 EditGameEvent(); // [HGM] try to preserve loaded game
8300 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8301 DisplayError(buf2, 0);
8304 if (StrStr(message, "(no matching move)st")) {
8305 /* Special kludge for GNU Chess 4 only */
8306 cps->stKludge = TRUE;
8307 SendTimeControl(cps, movesPerSession, timeControl,
8308 timeIncrement, appData.searchDepth,
8312 if (StrStr(message, "(no matching move)sd")) {
8313 /* Special kludge for GNU Chess 4 only */
8314 cps->sdKludge = TRUE;
8315 SendTimeControl(cps, movesPerSession, timeControl,
8316 timeIncrement, appData.searchDepth,
8320 if (!StrStr(message, "llegal")) {
8323 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8324 gameMode == IcsIdle) return;
8325 if (forwardMostMove <= backwardMostMove) return;
8326 if (pausing) PauseEvent();
8327 if(appData.forceIllegal) {
8328 // [HGM] illegal: machine refused move; force position after move into it
8329 SendToProgram("force\n", cps);
8330 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8331 // we have a real problem now, as SendBoard will use the a2a3 kludge
8332 // when black is to move, while there might be nothing on a2 or black
8333 // might already have the move. So send the board as if white has the move.
8334 // But first we must change the stm of the engine, as it refused the last move
8335 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8336 if(WhiteOnMove(forwardMostMove)) {
8337 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8338 SendBoard(cps, forwardMostMove); // kludgeless board
8340 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8341 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8342 SendBoard(cps, forwardMostMove+1); // kludgeless board
8344 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8345 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8346 gameMode == TwoMachinesPlay)
8347 SendToProgram("go\n", cps);
8350 if (gameMode == PlayFromGameFile) {
8351 /* Stop reading this game file */
8352 gameMode = EditGame;
8355 /* [HGM] illegal-move claim should forfeit game when Xboard */
8356 /* only passes fully legal moves */
8357 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8358 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8359 "False illegal-move claim", GE_XBOARD );
8360 return; // do not take back move we tested as valid
8362 currentMove = forwardMostMove-1;
8363 DisplayMove(currentMove-1); /* before DisplayMoveError */
8364 SwitchClocks(forwardMostMove-1); // [HGM] race
8365 DisplayBothClocks();
8366 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8367 parseList[currentMove], _(cps->which));
8368 DisplayMoveError(buf1);
8369 DrawPosition(FALSE, boards[currentMove]);
8371 SetUserThinkingEnables();
8374 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8375 /* Program has a broken "time" command that
8376 outputs a string not ending in newline.
8382 * If chess program startup fails, exit with an error message.
8383 * Attempts to recover here are futile.
8385 if ((StrStr(message, "unknown host") != NULL)
8386 || (StrStr(message, "No remote directory") != NULL)
8387 || (StrStr(message, "not found") != NULL)
8388 || (StrStr(message, "No such file") != NULL)
8389 || (StrStr(message, "can't alloc") != NULL)
8390 || (StrStr(message, "Permission denied") != NULL)) {
8392 cps->maybeThinking = FALSE;
8393 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8394 _(cps->which), cps->program, cps->host, message);
8395 RemoveInputSource(cps->isr);
8396 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8397 if(cps == &first) appData.noChessProgram = TRUE;
8398 DisplayError(buf1, 0);
8404 * Look for hint output
8406 if (sscanf(message, "Hint: %s", buf1) == 1) {
8407 if (cps == &first && hintRequested) {
8408 hintRequested = FALSE;
8409 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8410 &fromX, &fromY, &toX, &toY, &promoChar)) {
8411 (void) CoordsToAlgebraic(boards[forwardMostMove],
8412 PosFlags(forwardMostMove),
8413 fromY, fromX, toY, toX, promoChar, buf1);
8414 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8415 DisplayInformation(buf2);
8417 /* Hint move could not be parsed!? */
8418 snprintf(buf2, sizeof(buf2),
8419 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8420 buf1, _(cps->which));
8421 DisplayError(buf2, 0);
8424 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8430 * Ignore other messages if game is not in progress
8432 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8433 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8436 * look for win, lose, draw, or draw offer
8438 if (strncmp(message, "1-0", 3) == 0) {
8439 char *p, *q, *r = "";
8440 p = strchr(message, '{');
8448 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8450 } else if (strncmp(message, "0-1", 3) == 0) {
8451 char *p, *q, *r = "";
8452 p = strchr(message, '{');
8460 /* Kludge for Arasan 4.1 bug */
8461 if (strcmp(r, "Black resigns") == 0) {
8462 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8465 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8467 } else if (strncmp(message, "1/2", 3) == 0) {
8468 char *p, *q, *r = "";
8469 p = strchr(message, '{');
8478 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8481 } else if (strncmp(message, "White resign", 12) == 0) {
8482 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8484 } else if (strncmp(message, "Black resign", 12) == 0) {
8485 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8487 } else if (strncmp(message, "White matches", 13) == 0 ||
8488 strncmp(message, "Black matches", 13) == 0 ) {
8489 /* [HGM] ignore GNUShogi noises */
8491 } else if (strncmp(message, "White", 5) == 0 &&
8492 message[5] != '(' &&
8493 StrStr(message, "Black") == NULL) {
8494 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8496 } else if (strncmp(message, "Black", 5) == 0 &&
8497 message[5] != '(') {
8498 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8500 } else if (strcmp(message, "resign") == 0 ||
8501 strcmp(message, "computer resigns") == 0) {
8503 case MachinePlaysBlack:
8504 case IcsPlayingBlack:
8505 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8507 case MachinePlaysWhite:
8508 case IcsPlayingWhite:
8509 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8511 case TwoMachinesPlay:
8512 if (cps->twoMachinesColor[0] == 'w')
8513 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8515 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8522 } else if (strncmp(message, "opponent mates", 14) == 0) {
8524 case MachinePlaysBlack:
8525 case IcsPlayingBlack:
8526 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8528 case MachinePlaysWhite:
8529 case IcsPlayingWhite:
8530 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8532 case TwoMachinesPlay:
8533 if (cps->twoMachinesColor[0] == 'w')
8534 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8536 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8543 } else if (strncmp(message, "computer mates", 14) == 0) {
8545 case MachinePlaysBlack:
8546 case IcsPlayingBlack:
8547 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8549 case MachinePlaysWhite:
8550 case IcsPlayingWhite:
8551 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8553 case TwoMachinesPlay:
8554 if (cps->twoMachinesColor[0] == 'w')
8555 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8557 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8564 } else if (strncmp(message, "checkmate", 9) == 0) {
8565 if (WhiteOnMove(forwardMostMove)) {
8566 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8568 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8571 } else if (strstr(message, "Draw") != NULL ||
8572 strstr(message, "game is a draw") != NULL) {
8573 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8575 } else if (strstr(message, "offer") != NULL &&
8576 strstr(message, "draw") != NULL) {
8578 if (appData.zippyPlay && first.initDone) {
8579 /* Relay offer to ICS */
8580 SendToICS(ics_prefix);
8581 SendToICS("draw\n");
8584 cps->offeredDraw = 2; /* valid until this engine moves twice */
8585 if (gameMode == TwoMachinesPlay) {
8586 if (cps->other->offeredDraw) {
8587 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8588 /* [HGM] in two-machine mode we delay relaying draw offer */
8589 /* until after we also have move, to see if it is really claim */
8591 } else if (gameMode == MachinePlaysWhite ||
8592 gameMode == MachinePlaysBlack) {
8593 if (userOfferedDraw) {
8594 DisplayInformation(_("Machine accepts your draw offer"));
8595 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8597 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8604 * Look for thinking output
8606 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8607 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8609 int plylev, mvleft, mvtot, curscore, time;
8610 char mvname[MOVE_LEN];
8614 int prefixHint = FALSE;
8615 mvname[0] = NULLCHAR;
8618 case MachinePlaysBlack:
8619 case IcsPlayingBlack:
8620 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8622 case MachinePlaysWhite:
8623 case IcsPlayingWhite:
8624 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8629 case IcsObserving: /* [DM] icsEngineAnalyze */
8630 if (!appData.icsEngineAnalyze) ignore = TRUE;
8632 case TwoMachinesPlay:
8633 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8643 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8645 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8646 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8648 if (plyext != ' ' && plyext != '\t') {
8652 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8653 if( cps->scoreIsAbsolute &&
8654 ( gameMode == MachinePlaysBlack ||
8655 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8656 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8657 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8658 !WhiteOnMove(currentMove)
8661 curscore = -curscore;
8664 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8666 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8669 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8670 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8671 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8672 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8673 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8674 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8676 } else DisplayError(_("failed writing PV"), 0);
8679 tempStats.depth = plylev;
8680 tempStats.nodes = nodes;
8681 tempStats.time = time;
8682 tempStats.score = curscore;
8683 tempStats.got_only_move = 0;
8685 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8688 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8689 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8690 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8691 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8692 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8693 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8694 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8695 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8698 /* Buffer overflow protection */
8699 if (pv[0] != NULLCHAR) {
8700 if (strlen(pv) >= sizeof(tempStats.movelist)
8701 && appData.debugMode) {
8703 "PV is too long; using the first %u bytes.\n",
8704 (unsigned) sizeof(tempStats.movelist) - 1);
8707 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8709 sprintf(tempStats.movelist, " no PV\n");
8712 if (tempStats.seen_stat) {
8713 tempStats.ok_to_send = 1;
8716 if (strchr(tempStats.movelist, '(') != NULL) {
8717 tempStats.line_is_book = 1;
8718 tempStats.nr_moves = 0;
8719 tempStats.moves_left = 0;
8721 tempStats.line_is_book = 0;
8724 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8725 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8727 SendProgramStatsToFrontend( cps, &tempStats );
8730 [AS] Protect the thinkOutput buffer from overflow... this
8731 is only useful if buf1 hasn't overflowed first!
8733 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8735 (gameMode == TwoMachinesPlay ?
8736 ToUpper(cps->twoMachinesColor[0]) : ' '),
8737 ((double) curscore) / 100.0,
8738 prefixHint ? lastHint : "",
8739 prefixHint ? " " : "" );
8741 if( buf1[0] != NULLCHAR ) {
8742 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8744 if( strlen(pv) > max_len ) {
8745 if( appData.debugMode) {
8746 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8748 pv[max_len+1] = '\0';
8751 strcat( thinkOutput, pv);
8754 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8755 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8756 DisplayMove(currentMove - 1);
8760 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8761 /* crafty (9.25+) says "(only move) <move>"
8762 * if there is only 1 legal move
8764 sscanf(p, "(only move) %s", buf1);
8765 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8766 sprintf(programStats.movelist, "%s (only move)", buf1);
8767 programStats.depth = 1;
8768 programStats.nr_moves = 1;
8769 programStats.moves_left = 1;
8770 programStats.nodes = 1;
8771 programStats.time = 1;
8772 programStats.got_only_move = 1;
8774 /* Not really, but we also use this member to
8775 mean "line isn't going to change" (Crafty
8776 isn't searching, so stats won't change) */
8777 programStats.line_is_book = 1;
8779 SendProgramStatsToFrontend( cps, &programStats );
8781 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8782 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8783 DisplayMove(currentMove - 1);
8786 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8787 &time, &nodes, &plylev, &mvleft,
8788 &mvtot, mvname) >= 5) {
8789 /* The stat01: line is from Crafty (9.29+) in response
8790 to the "." command */
8791 programStats.seen_stat = 1;
8792 cps->maybeThinking = TRUE;
8794 if (programStats.got_only_move || !appData.periodicUpdates)
8797 programStats.depth = plylev;
8798 programStats.time = time;
8799 programStats.nodes = nodes;
8800 programStats.moves_left = mvleft;
8801 programStats.nr_moves = mvtot;
8802 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8803 programStats.ok_to_send = 1;
8804 programStats.movelist[0] = '\0';
8806 SendProgramStatsToFrontend( cps, &programStats );
8810 } else if (strncmp(message,"++",2) == 0) {
8811 /* Crafty 9.29+ outputs this */
8812 programStats.got_fail = 2;
8815 } else if (strncmp(message,"--",2) == 0) {
8816 /* Crafty 9.29+ outputs this */
8817 programStats.got_fail = 1;
8820 } else if (thinkOutput[0] != NULLCHAR &&
8821 strncmp(message, " ", 4) == 0) {
8822 unsigned message_len;
8825 while (*p && *p == ' ') p++;
8827 message_len = strlen( p );
8829 /* [AS] Avoid buffer overflow */
8830 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8831 strcat(thinkOutput, " ");
8832 strcat(thinkOutput, p);
8835 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8836 strcat(programStats.movelist, " ");
8837 strcat(programStats.movelist, p);
8840 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8841 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8842 DisplayMove(currentMove - 1);
8850 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8851 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8853 ChessProgramStats cpstats;
8855 if (plyext != ' ' && plyext != '\t') {
8859 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8860 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8861 curscore = -curscore;
8864 cpstats.depth = plylev;
8865 cpstats.nodes = nodes;
8866 cpstats.time = time;
8867 cpstats.score = curscore;
8868 cpstats.got_only_move = 0;
8869 cpstats.movelist[0] = '\0';
8871 if (buf1[0] != NULLCHAR) {
8872 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8875 cpstats.ok_to_send = 0;
8876 cpstats.line_is_book = 0;
8877 cpstats.nr_moves = 0;
8878 cpstats.moves_left = 0;
8880 SendProgramStatsToFrontend( cps, &cpstats );
8887 /* Parse a game score from the character string "game", and
8888 record it as the history of the current game. The game
8889 score is NOT assumed to start from the standard position.
8890 The display is not updated in any way.
8893 ParseGameHistory(game)
8897 int fromX, fromY, toX, toY, boardIndex;
8902 if (appData.debugMode)
8903 fprintf(debugFP, "Parsing game history: %s\n", game);
8905 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8906 gameInfo.site = StrSave(appData.icsHost);
8907 gameInfo.date = PGNDate();
8908 gameInfo.round = StrSave("-");
8910 /* Parse out names of players */
8911 while (*game == ' ') game++;
8913 while (*game != ' ') *p++ = *game++;
8915 gameInfo.white = StrSave(buf);
8916 while (*game == ' ') game++;
8918 while (*game != ' ' && *game != '\n') *p++ = *game++;
8920 gameInfo.black = StrSave(buf);
8923 boardIndex = blackPlaysFirst ? 1 : 0;
8926 yyboardindex = boardIndex;
8927 moveType = (ChessMove) Myylex();
8929 case IllegalMove: /* maybe suicide chess, etc. */
8930 if (appData.debugMode) {
8931 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8932 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8933 setbuf(debugFP, NULL);
8935 case WhitePromotion:
8936 case BlackPromotion:
8937 case WhiteNonPromotion:
8938 case BlackNonPromotion:
8940 case WhiteCapturesEnPassant:
8941 case BlackCapturesEnPassant:
8942 case WhiteKingSideCastle:
8943 case WhiteQueenSideCastle:
8944 case BlackKingSideCastle:
8945 case BlackQueenSideCastle:
8946 case WhiteKingSideCastleWild:
8947 case WhiteQueenSideCastleWild:
8948 case BlackKingSideCastleWild:
8949 case BlackQueenSideCastleWild:
8951 case WhiteHSideCastleFR:
8952 case WhiteASideCastleFR:
8953 case BlackHSideCastleFR:
8954 case BlackASideCastleFR:
8956 fromX = currentMoveString[0] - AAA;
8957 fromY = currentMoveString[1] - ONE;
8958 toX = currentMoveString[2] - AAA;
8959 toY = currentMoveString[3] - ONE;
8960 promoChar = currentMoveString[4];
8964 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8965 fromX = moveType == WhiteDrop ?
8966 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8967 (int) CharToPiece(ToLower(currentMoveString[0]));
8969 toX = currentMoveString[2] - AAA;
8970 toY = currentMoveString[3] - ONE;
8971 promoChar = NULLCHAR;
8975 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8976 if (appData.debugMode) {
8977 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8978 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8979 setbuf(debugFP, NULL);
8981 DisplayError(buf, 0);
8983 case ImpossibleMove:
8985 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8986 if (appData.debugMode) {
8987 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8988 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8989 setbuf(debugFP, NULL);
8991 DisplayError(buf, 0);
8994 if (boardIndex < backwardMostMove) {
8995 /* Oops, gap. How did that happen? */
8996 DisplayError(_("Gap in move list"), 0);
8999 backwardMostMove = blackPlaysFirst ? 1 : 0;
9000 if (boardIndex > forwardMostMove) {
9001 forwardMostMove = boardIndex;
9005 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9006 strcat(parseList[boardIndex-1], " ");
9007 strcat(parseList[boardIndex-1], yy_text);
9019 case GameUnfinished:
9020 if (gameMode == IcsExamining) {
9021 if (boardIndex < backwardMostMove) {
9022 /* Oops, gap. How did that happen? */
9025 backwardMostMove = blackPlaysFirst ? 1 : 0;
9028 gameInfo.result = moveType;
9029 p = strchr(yy_text, '{');
9030 if (p == NULL) p = strchr(yy_text, '(');
9033 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9035 q = strchr(p, *p == '{' ? '}' : ')');
9036 if (q != NULL) *q = NULLCHAR;
9039 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9040 gameInfo.resultDetails = StrSave(p);
9043 if (boardIndex >= forwardMostMove &&
9044 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9045 backwardMostMove = blackPlaysFirst ? 1 : 0;
9048 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9049 fromY, fromX, toY, toX, promoChar,
9050 parseList[boardIndex]);
9051 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9052 /* currentMoveString is set as a side-effect of yylex */
9053 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9054 strcat(moveList[boardIndex], "\n");
9056 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9057 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9063 if(gameInfo.variant != VariantShogi)
9064 strcat(parseList[boardIndex - 1], "+");
9068 strcat(parseList[boardIndex - 1], "#");
9075 /* Apply a move to the given board */
9077 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
9078 int fromX, fromY, toX, toY;
9082 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9083 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9085 /* [HGM] compute & store e.p. status and castling rights for new position */
9086 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9088 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9089 oldEP = (signed char)board[EP_STATUS];
9090 board[EP_STATUS] = EP_NONE;
9092 if (fromY == DROP_RANK) {
9094 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9095 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9098 piece = board[toY][toX] = (ChessSquare) fromX;
9102 if( board[toY][toX] != EmptySquare )
9103 board[EP_STATUS] = EP_CAPTURE;
9105 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9106 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9107 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9109 if( board[fromY][fromX] == WhitePawn ) {
9110 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9111 board[EP_STATUS] = EP_PAWN_MOVE;
9113 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9114 gameInfo.variant != VariantBerolina || toX < fromX)
9115 board[EP_STATUS] = toX | berolina;
9116 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9117 gameInfo.variant != VariantBerolina || toX > fromX)
9118 board[EP_STATUS] = toX;
9121 if( board[fromY][fromX] == BlackPawn ) {
9122 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9123 board[EP_STATUS] = EP_PAWN_MOVE;
9124 if( toY-fromY== -2) {
9125 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9126 gameInfo.variant != VariantBerolina || toX < fromX)
9127 board[EP_STATUS] = toX | berolina;
9128 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9129 gameInfo.variant != VariantBerolina || toX > fromX)
9130 board[EP_STATUS] = toX;
9134 for(i=0; i<nrCastlingRights; i++) {
9135 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9136 board[CASTLING][i] == toX && castlingRank[i] == toY
9137 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9140 if (fromX == toX && fromY == toY) return;
9142 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9143 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9144 if(gameInfo.variant == VariantKnightmate)
9145 king += (int) WhiteUnicorn - (int) WhiteKing;
9147 /* Code added by Tord: */
9148 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9149 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9150 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9151 board[fromY][fromX] = EmptySquare;
9152 board[toY][toX] = EmptySquare;
9153 if((toX > fromX) != (piece == WhiteRook)) {
9154 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9156 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9158 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9159 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9160 board[fromY][fromX] = EmptySquare;
9161 board[toY][toX] = EmptySquare;
9162 if((toX > fromX) != (piece == BlackRook)) {
9163 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9165 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9167 /* End of code added by Tord */
9169 } else if (board[fromY][fromX] == king
9170 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9171 && toY == fromY && toX > fromX+1) {
9172 board[fromY][fromX] = EmptySquare;
9173 board[toY][toX] = king;
9174 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9175 board[fromY][BOARD_RGHT-1] = EmptySquare;
9176 } else if (board[fromY][fromX] == king
9177 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9178 && toY == fromY && toX < fromX-1) {
9179 board[fromY][fromX] = EmptySquare;
9180 board[toY][toX] = king;
9181 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9182 board[fromY][BOARD_LEFT] = EmptySquare;
9183 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9184 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9185 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9187 /* white pawn promotion */
9188 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9189 if(gameInfo.variant==VariantBughouse ||
9190 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9191 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9192 board[fromY][fromX] = EmptySquare;
9193 } else if ((fromY >= BOARD_HEIGHT>>1)
9195 && gameInfo.variant != VariantXiangqi
9196 && gameInfo.variant != VariantBerolina
9197 && (board[fromY][fromX] == WhitePawn)
9198 && (board[toY][toX] == EmptySquare)) {
9199 board[fromY][fromX] = EmptySquare;
9200 board[toY][toX] = WhitePawn;
9201 captured = board[toY - 1][toX];
9202 board[toY - 1][toX] = EmptySquare;
9203 } else if ((fromY == BOARD_HEIGHT-4)
9205 && gameInfo.variant == VariantBerolina
9206 && (board[fromY][fromX] == WhitePawn)
9207 && (board[toY][toX] == EmptySquare)) {
9208 board[fromY][fromX] = EmptySquare;
9209 board[toY][toX] = WhitePawn;
9210 if(oldEP & EP_BEROLIN_A) {
9211 captured = board[fromY][fromX-1];
9212 board[fromY][fromX-1] = EmptySquare;
9213 }else{ captured = board[fromY][fromX+1];
9214 board[fromY][fromX+1] = EmptySquare;
9216 } else if (board[fromY][fromX] == king
9217 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9218 && toY == fromY && toX > fromX+1) {
9219 board[fromY][fromX] = EmptySquare;
9220 board[toY][toX] = king;
9221 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9222 board[fromY][BOARD_RGHT-1] = EmptySquare;
9223 } else if (board[fromY][fromX] == king
9224 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9225 && toY == fromY && toX < fromX-1) {
9226 board[fromY][fromX] = EmptySquare;
9227 board[toY][toX] = king;
9228 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9229 board[fromY][BOARD_LEFT] = EmptySquare;
9230 } else if (fromY == 7 && fromX == 3
9231 && board[fromY][fromX] == BlackKing
9232 && toY == 7 && toX == 5) {
9233 board[fromY][fromX] = EmptySquare;
9234 board[toY][toX] = BlackKing;
9235 board[fromY][7] = EmptySquare;
9236 board[toY][4] = BlackRook;
9237 } else if (fromY == 7 && fromX == 3
9238 && board[fromY][fromX] == BlackKing
9239 && toY == 7 && toX == 1) {
9240 board[fromY][fromX] = EmptySquare;
9241 board[toY][toX] = BlackKing;
9242 board[fromY][0] = EmptySquare;
9243 board[toY][2] = BlackRook;
9244 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9245 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9246 && toY < promoRank && promoChar
9248 /* black pawn promotion */
9249 board[toY][toX] = CharToPiece(ToLower(promoChar));
9250 if(gameInfo.variant==VariantBughouse ||
9251 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9252 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9253 board[fromY][fromX] = EmptySquare;
9254 } else if ((fromY < BOARD_HEIGHT>>1)
9256 && gameInfo.variant != VariantXiangqi
9257 && gameInfo.variant != VariantBerolina
9258 && (board[fromY][fromX] == BlackPawn)
9259 && (board[toY][toX] == EmptySquare)) {
9260 board[fromY][fromX] = EmptySquare;
9261 board[toY][toX] = BlackPawn;
9262 captured = board[toY + 1][toX];
9263 board[toY + 1][toX] = EmptySquare;
9264 } else if ((fromY == 3)
9266 && gameInfo.variant == VariantBerolina
9267 && (board[fromY][fromX] == BlackPawn)
9268 && (board[toY][toX] == EmptySquare)) {
9269 board[fromY][fromX] = EmptySquare;
9270 board[toY][toX] = BlackPawn;
9271 if(oldEP & EP_BEROLIN_A) {
9272 captured = board[fromY][fromX-1];
9273 board[fromY][fromX-1] = EmptySquare;
9274 }else{ captured = board[fromY][fromX+1];
9275 board[fromY][fromX+1] = EmptySquare;
9278 board[toY][toX] = board[fromY][fromX];
9279 board[fromY][fromX] = EmptySquare;
9283 if (gameInfo.holdingsWidth != 0) {
9285 /* !!A lot more code needs to be written to support holdings */
9286 /* [HGM] OK, so I have written it. Holdings are stored in the */
9287 /* penultimate board files, so they are automaticlly stored */
9288 /* in the game history. */
9289 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9290 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9291 /* Delete from holdings, by decreasing count */
9292 /* and erasing image if necessary */
9293 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9294 if(p < (int) BlackPawn) { /* white drop */
9295 p -= (int)WhitePawn;
9296 p = PieceToNumber((ChessSquare)p);
9297 if(p >= gameInfo.holdingsSize) p = 0;
9298 if(--board[p][BOARD_WIDTH-2] <= 0)
9299 board[p][BOARD_WIDTH-1] = EmptySquare;
9300 if((int)board[p][BOARD_WIDTH-2] < 0)
9301 board[p][BOARD_WIDTH-2] = 0;
9302 } else { /* black drop */
9303 p -= (int)BlackPawn;
9304 p = PieceToNumber((ChessSquare)p);
9305 if(p >= gameInfo.holdingsSize) p = 0;
9306 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9307 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9308 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9309 board[BOARD_HEIGHT-1-p][1] = 0;
9312 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9313 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9314 /* [HGM] holdings: Add to holdings, if holdings exist */
9315 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9316 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9317 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9320 if (p >= (int) BlackPawn) {
9321 p -= (int)BlackPawn;
9322 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9323 /* in Shogi restore piece to its original first */
9324 captured = (ChessSquare) (DEMOTED captured);
9327 p = PieceToNumber((ChessSquare)p);
9328 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9329 board[p][BOARD_WIDTH-2]++;
9330 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9332 p -= (int)WhitePawn;
9333 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9334 captured = (ChessSquare) (DEMOTED captured);
9337 p = PieceToNumber((ChessSquare)p);
9338 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9339 board[BOARD_HEIGHT-1-p][1]++;
9340 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9343 } else if (gameInfo.variant == VariantAtomic) {
9344 if (captured != EmptySquare) {
9346 for (y = toY-1; y <= toY+1; y++) {
9347 for (x = toX-1; x <= toX+1; x++) {
9348 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9349 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9350 board[y][x] = EmptySquare;
9354 board[toY][toX] = EmptySquare;
9357 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9358 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9360 if(promoChar == '+') {
9361 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9362 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9363 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9364 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9366 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9367 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9368 // [HGM] superchess: take promotion piece out of holdings
9369 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9370 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9371 if(!--board[k][BOARD_WIDTH-2])
9372 board[k][BOARD_WIDTH-1] = EmptySquare;
9374 if(!--board[BOARD_HEIGHT-1-k][1])
9375 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9381 /* Updates forwardMostMove */
9383 MakeMove(fromX, fromY, toX, toY, promoChar)
9384 int fromX, fromY, toX, toY;
9387 // forwardMostMove++; // [HGM] bare: moved downstream
9389 (void) CoordsToAlgebraic(boards[forwardMostMove],
9390 PosFlags(forwardMostMove),
9391 fromY, fromX, toY, toX, promoChar,
9392 parseList[forwardMostMove]);
9394 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9395 int timeLeft; static int lastLoadFlag=0; int king, piece;
9396 piece = boards[forwardMostMove][fromY][fromX];
9397 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9398 if(gameInfo.variant == VariantKnightmate)
9399 king += (int) WhiteUnicorn - (int) WhiteKing;
9400 if(forwardMostMove == 0) {
9401 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9402 fprintf(serverMoves, "%s;", UserName());
9403 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9404 fprintf(serverMoves, "%s;", second.tidy);
9405 fprintf(serverMoves, "%s;", first.tidy);
9406 if(gameMode == MachinePlaysWhite)
9407 fprintf(serverMoves, "%s;", UserName());
9408 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9409 fprintf(serverMoves, "%s;", second.tidy);
9410 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9411 lastLoadFlag = loadFlag;
9413 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9414 // print castling suffix
9415 if( toY == fromY && piece == king ) {
9417 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9419 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9422 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9423 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9424 boards[forwardMostMove][toY][toX] == EmptySquare
9425 && fromX != toX && fromY != toY)
9426 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9428 if(promoChar != NULLCHAR)
9429 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9431 char buf[MOVE_LEN*2], *p; int len;
9432 fprintf(serverMoves, "/%d/%d",
9433 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9434 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9435 else timeLeft = blackTimeRemaining/1000;
9436 fprintf(serverMoves, "/%d", timeLeft);
9437 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9438 if(p = strchr(buf, '=')) *p = NULLCHAR;
9439 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9440 fprintf(serverMoves, "/%s", buf);
9442 fflush(serverMoves);
9445 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9446 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9449 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9450 if (commentList[forwardMostMove+1] != NULL) {
9451 free(commentList[forwardMostMove+1]);
9452 commentList[forwardMostMove+1] = NULL;
9454 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9455 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9456 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9457 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9458 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9459 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9460 adjustedClock = FALSE;
9461 gameInfo.result = GameUnfinished;
9462 if (gameInfo.resultDetails != NULL) {
9463 free(gameInfo.resultDetails);
9464 gameInfo.resultDetails = NULL;
9466 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9467 moveList[forwardMostMove - 1]);
9468 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9474 if(gameInfo.variant != VariantShogi)
9475 strcat(parseList[forwardMostMove - 1], "+");
9479 strcat(parseList[forwardMostMove - 1], "#");
9482 if (appData.debugMode) {
9483 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9488 /* Updates currentMove if not pausing */
9490 ShowMove(fromX, fromY, toX, toY)
9492 int instant = (gameMode == PlayFromGameFile) ?
9493 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9494 if(appData.noGUI) return;
9495 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9497 if (forwardMostMove == currentMove + 1) {
9498 AnimateMove(boards[forwardMostMove - 1],
9499 fromX, fromY, toX, toY);
9501 if (appData.highlightLastMove) {
9502 SetHighlights(fromX, fromY, toX, toY);
9505 currentMove = forwardMostMove;
9508 if (instant) return;
9510 DisplayMove(currentMove - 1);
9511 DrawPosition(FALSE, boards[currentMove]);
9512 DisplayBothClocks();
9513 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9516 void SendEgtPath(ChessProgramState *cps)
9517 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9518 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9520 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9523 char c, *q = name+1, *r, *s;
9525 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9526 while(*p && *p != ',') *q++ = *p++;
9528 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9529 strcmp(name, ",nalimov:") == 0 ) {
9530 // take nalimov path from the menu-changeable option first, if it is defined
9531 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9532 SendToProgram(buf,cps); // send egtbpath command for nalimov
9534 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9535 (s = StrStr(appData.egtFormats, name)) != NULL) {
9536 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9537 s = r = StrStr(s, ":") + 1; // beginning of path info
9538 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9539 c = *r; *r = 0; // temporarily null-terminate path info
9540 *--q = 0; // strip of trailig ':' from name
9541 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9543 SendToProgram(buf,cps); // send egtbpath command for this format
9545 if(*p == ',') p++; // read away comma to position for next format name
9550 InitChessProgram(cps, setup)
9551 ChessProgramState *cps;
9552 int setup; /* [HGM] needed to setup FRC opening position */
9554 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9555 if (appData.noChessProgram) return;
9556 hintRequested = FALSE;
9557 bookRequested = FALSE;
9559 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9560 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9561 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9562 if(cps->memSize) { /* [HGM] memory */
9563 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9564 SendToProgram(buf, cps);
9566 SendEgtPath(cps); /* [HGM] EGT */
9567 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9568 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9569 SendToProgram(buf, cps);
9572 SendToProgram(cps->initString, cps);
9573 if (gameInfo.variant != VariantNormal &&
9574 gameInfo.variant != VariantLoadable
9575 /* [HGM] also send variant if board size non-standard */
9576 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9578 char *v = VariantName(gameInfo.variant);
9579 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9580 /* [HGM] in protocol 1 we have to assume all variants valid */
9581 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9582 DisplayFatalError(buf, 0, 1);
9586 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9587 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9588 if( gameInfo.variant == VariantXiangqi )
9589 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9590 if( gameInfo.variant == VariantShogi )
9591 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9592 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9593 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9594 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9595 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9596 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9597 if( gameInfo.variant == VariantCourier )
9598 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9599 if( gameInfo.variant == VariantSuper )
9600 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9601 if( gameInfo.variant == VariantGreat )
9602 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9603 if( gameInfo.variant == VariantSChess )
9604 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9605 if( gameInfo.variant == VariantGrand )
9606 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9609 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9610 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9611 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9612 if(StrStr(cps->variants, b) == NULL) {
9613 // specific sized variant not known, check if general sizing allowed
9614 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9615 if(StrStr(cps->variants, "boardsize") == NULL) {
9616 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9617 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9618 DisplayFatalError(buf, 0, 1);
9621 /* [HGM] here we really should compare with the maximum supported board size */
9624 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9625 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9626 SendToProgram(buf, cps);
9628 currentlyInitializedVariant = gameInfo.variant;
9630 /* [HGM] send opening position in FRC to first engine */
9632 SendToProgram("force\n", cps);
9634 /* engine is now in force mode! Set flag to wake it up after first move. */
9635 setboardSpoiledMachineBlack = 1;
9639 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9640 SendToProgram(buf, cps);
9642 cps->maybeThinking = FALSE;
9643 cps->offeredDraw = 0;
9644 if (!appData.icsActive) {
9645 SendTimeControl(cps, movesPerSession, timeControl,
9646 timeIncrement, appData.searchDepth,
9649 if (appData.showThinking
9650 // [HGM] thinking: four options require thinking output to be sent
9651 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9653 SendToProgram("post\n", cps);
9655 SendToProgram("hard\n", cps);
9656 if (!appData.ponderNextMove) {
9657 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9658 it without being sure what state we are in first. "hard"
9659 is not a toggle, so that one is OK.
9661 SendToProgram("easy\n", cps);
9664 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9665 SendToProgram(buf, cps);
9667 cps->initDone = TRUE;
9668 ClearEngineOutputPane(cps == &second);
9673 StartChessProgram(cps)
9674 ChessProgramState *cps;
9679 if (appData.noChessProgram) return;
9680 cps->initDone = FALSE;
9682 if (strcmp(cps->host, "localhost") == 0) {
9683 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9684 } else if (*appData.remoteShell == NULLCHAR) {
9685 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9687 if (*appData.remoteUser == NULLCHAR) {
9688 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9691 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9692 cps->host, appData.remoteUser, cps->program);
9694 err = StartChildProcess(buf, "", &cps->pr);
9698 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9699 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9700 if(cps != &first) return;
9701 appData.noChessProgram = TRUE;
9704 // DisplayFatalError(buf, err, 1);
9705 // cps->pr = NoProc;
9710 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9711 if (cps->protocolVersion > 1) {
9712 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9713 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9714 cps->comboCnt = 0; // and values of combo boxes
9715 SendToProgram(buf, cps);
9717 SendToProgram("xboard\n", cps);
9722 TwoMachinesEventIfReady P((void))
9724 static int curMess = 0;
9725 if (first.lastPing != first.lastPong) {
9726 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9727 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9730 if (second.lastPing != second.lastPong) {
9731 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9732 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9735 DisplayMessage("", ""); curMess = 0;
9741 MakeName(char *template)
9745 static char buf[MSG_SIZ];
9749 clock = time((time_t *)NULL);
9750 tm = localtime(&clock);
9752 while(*p++ = *template++) if(p[-1] == '%') {
9753 switch(*template++) {
9754 case 0: *p = 0; return buf;
9755 case 'Y': i = tm->tm_year+1900; break;
9756 case 'y': i = tm->tm_year-100; break;
9757 case 'M': i = tm->tm_mon+1; break;
9758 case 'd': i = tm->tm_mday; break;
9759 case 'h': i = tm->tm_hour; break;
9760 case 'm': i = tm->tm_min; break;
9761 case 's': i = tm->tm_sec; break;
9764 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9770 CountPlayers(char *p)
9773 while(p = strchr(p, '\n')) p++, n++; // count participants
9778 WriteTourneyFile(char *results, FILE *f)
9779 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9780 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9781 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9782 // create a file with tournament description
9783 fprintf(f, "-participants {%s}\n", appData.participants);
9784 fprintf(f, "-seedBase %d\n", appData.seedBase);
9785 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9786 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9787 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9788 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9789 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9790 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9791 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9792 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9793 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9794 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9795 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9796 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9798 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9800 fprintf(f, "-mps %d\n", appData.movesPerSession);
9801 fprintf(f, "-tc %s\n", appData.timeControl);
9802 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9804 fprintf(f, "-results \"%s\"\n", results);
9809 #define MAXENGINES 1000
9810 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9812 void Substitute(char *participants, int expunge)
9814 int i, changed, changes=0, nPlayers=0;
9815 char *p, *q, *r, buf[MSG_SIZ];
9816 if(participants == NULL) return;
9817 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9818 r = p = participants; q = appData.participants;
9819 while(*p && *p == *q) {
9820 if(*p == '\n') r = p+1, nPlayers++;
9823 if(*p) { // difference
9824 while(*p && *p++ != '\n');
9825 while(*q && *q++ != '\n');
9827 changes = 1 + (strcmp(p, q) != 0);
9829 if(changes == 1) { // a single engine mnemonic was changed
9830 q = r; while(*q) nPlayers += (*q++ == '\n');
9831 p = buf; while(*r && (*p = *r++) != '\n') p++;
9833 NamesToList(firstChessProgramNames, command, mnemonic);
9834 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9835 if(mnemonic[i]) { // The substitute is valid
9837 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9838 flock(fileno(f), LOCK_EX);
9839 ParseArgsFromFile(f);
9840 fseek(f, 0, SEEK_SET);
9841 FREE(appData.participants); appData.participants = participants;
9842 if(expunge) { // erase results of replaced engine
9843 int len = strlen(appData.results), w, b, dummy;
9844 for(i=0; i<len; i++) {
9845 Pairing(i, nPlayers, &w, &b, &dummy);
9846 if((w == changed || b == changed) && appData.results[i] == '*') {
9847 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9852 for(i=0; i<len; i++) {
9853 Pairing(i, nPlayers, &w, &b, &dummy);
9854 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9857 WriteTourneyFile(appData.results, f);
9858 fclose(f); // release lock
9861 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9863 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9864 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9870 CreateTourney(char *name)
9873 if(matchMode && strcmp(name, appData.tourneyFile)) {
9874 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9876 if(name[0] == NULLCHAR) {
9877 if(appData.participants[0])
9878 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9881 f = fopen(name, "r");
9882 if(f) { // file exists
9883 ASSIGN(appData.tourneyFile, name);
9884 ParseArgsFromFile(f); // parse it
9886 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9887 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9888 DisplayError(_("Not enough participants"), 0);
9891 ASSIGN(appData.tourneyFile, name);
9892 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9893 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9896 appData.noChessProgram = FALSE;
9897 appData.clockMode = TRUE;
9902 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9904 char buf[MSG_SIZ], *p, *q;
9908 while(*p && *p != '\n') *q++ = *p++;
9910 if(engineList[i]) free(engineList[i]);
9911 engineList[i] = strdup(buf);
9913 TidyProgramName(engineList[i], "localhost", buf);
9914 if(engineMnemonic[i]) free(engineMnemonic[i]);
9915 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9917 sscanf(q + 8, "%s", buf + strlen(buf));
9920 engineMnemonic[i] = strdup(buf);
9922 if(i > MAXENGINES - 2) break;
9924 engineList[i] = engineMnemonic[i] = NULL;
9927 // following implemented as macro to avoid type limitations
9928 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9930 void SwapEngines(int n)
9931 { // swap settings for first engine and other engine (so far only some selected options)
9936 SWAP(chessProgram, p)
9938 SWAP(hasOwnBookUCI, h)
9939 SWAP(protocolVersion, h)
9941 SWAP(scoreIsAbsolute, h)
9950 SetPlayer(int player)
9951 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9953 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9954 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9955 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9956 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9958 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9959 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9960 appData.firstHasOwnBookUCI = !appData.defNoBook;
9961 ParseArgsFromString(buf);
9967 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9968 { // determine players from game number
9969 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9971 if(appData.tourneyType == 0) {
9972 roundsPerCycle = (nPlayers - 1) | 1;
9973 pairingsPerRound = nPlayers / 2;
9974 } else if(appData.tourneyType > 0) {
9975 roundsPerCycle = nPlayers - appData.tourneyType;
9976 pairingsPerRound = appData.tourneyType;
9978 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9979 gamesPerCycle = gamesPerRound * roundsPerCycle;
9980 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9981 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9982 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9983 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9984 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9985 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9987 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9988 if(appData.roundSync) *syncInterval = gamesPerRound;
9990 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9992 if(appData.tourneyType == 0) {
9993 if(curPairing == (nPlayers-1)/2 ) {
9994 *whitePlayer = curRound;
9995 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9997 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9998 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9999 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10000 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10002 } else if(appData.tourneyType > 0) {
10003 *whitePlayer = curPairing;
10004 *blackPlayer = curRound + appData.tourneyType;
10007 // take care of white/black alternation per round.
10008 // For cycles and games this is already taken care of by default, derived from matchGame!
10009 return curRound & 1;
10013 NextTourneyGame(int nr, int *swapColors)
10014 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10016 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10018 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10019 tf = fopen(appData.tourneyFile, "r");
10020 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10021 ParseArgsFromFile(tf); fclose(tf);
10022 InitTimeControls(); // TC might be altered from tourney file
10024 nPlayers = CountPlayers(appData.participants); // count participants
10025 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10026 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10029 p = q = appData.results;
10030 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10031 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10032 DisplayMessage(_("Waiting for other game(s)"),"");
10033 waitingForGame = TRUE;
10034 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10037 waitingForGame = FALSE;
10040 if(appData.tourneyType < 0) {
10041 if(nr>=0 && !pairingReceived) {
10043 if(pairing.pr == NoProc) {
10044 if(!appData.pairingEngine[0]) {
10045 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10048 StartChessProgram(&pairing); // starts the pairing engine
10050 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10051 SendToProgram(buf, &pairing);
10052 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10053 SendToProgram(buf, &pairing);
10054 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10056 pairingReceived = 0; // ... so we continue here
10058 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10059 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10060 matchGame = 1; roundNr = nr / syncInterval + 1;
10063 if(first.pr != NoProc || second.pr != NoProc) return 1; // engines already loaded
10065 // redefine engines, engine dir, etc.
10066 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
10067 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
10069 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
10070 SwapEngines(1); // and make that valid for second engine by swapping
10071 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10072 InitEngine(&second, 1);
10073 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10074 UpdateLogos(FALSE); // leave display to ModeHiglight()
10080 { // performs game initialization that does not invoke engines, and then tries to start the game
10081 int res, firstWhite, swapColors = 0;
10082 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10083 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10084 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10085 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10086 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10087 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10088 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10089 Reset(FALSE, first.pr != NoProc);
10090 res = LoadGameOrPosition(matchGame); // setup game
10091 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10092 if(!res) return; // abort when bad game/pos file
10093 TwoMachinesEvent();
10096 void UserAdjudicationEvent( int result )
10098 ChessMove gameResult = GameIsDrawn;
10101 gameResult = WhiteWins;
10103 else if( result < 0 ) {
10104 gameResult = BlackWins;
10107 if( gameMode == TwoMachinesPlay ) {
10108 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10113 // [HGM] save: calculate checksum of game to make games easily identifiable
10114 int StringCheckSum(char *s)
10117 if(s==NULL) return 0;
10118 while(*s) i = i*259 + *s++;
10125 for(i=backwardMostMove; i<forwardMostMove; i++) {
10126 sum += pvInfoList[i].depth;
10127 sum += StringCheckSum(parseList[i]);
10128 sum += StringCheckSum(commentList[i]);
10131 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10132 return sum + StringCheckSum(commentList[i]);
10133 } // end of save patch
10136 GameEnds(result, resultDetails, whosays)
10138 char *resultDetails;
10141 GameMode nextGameMode;
10143 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10145 if(endingGame) return; /* [HGM] crash: forbid recursion */
10147 if(twoBoards) { // [HGM] dual: switch back to one board
10148 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10149 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10151 if (appData.debugMode) {
10152 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10153 result, resultDetails ? resultDetails : "(null)", whosays);
10156 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10158 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10159 /* If we are playing on ICS, the server decides when the
10160 game is over, but the engine can offer to draw, claim
10164 if (appData.zippyPlay && first.initDone) {
10165 if (result == GameIsDrawn) {
10166 /* In case draw still needs to be claimed */
10167 SendToICS(ics_prefix);
10168 SendToICS("draw\n");
10169 } else if (StrCaseStr(resultDetails, "resign")) {
10170 SendToICS(ics_prefix);
10171 SendToICS("resign\n");
10175 endingGame = 0; /* [HGM] crash */
10179 /* If we're loading the game from a file, stop */
10180 if (whosays == GE_FILE) {
10181 (void) StopLoadGameTimer();
10185 /* Cancel draw offers */
10186 first.offeredDraw = second.offeredDraw = 0;
10188 /* If this is an ICS game, only ICS can really say it's done;
10189 if not, anyone can. */
10190 isIcsGame = (gameMode == IcsPlayingWhite ||
10191 gameMode == IcsPlayingBlack ||
10192 gameMode == IcsObserving ||
10193 gameMode == IcsExamining);
10195 if (!isIcsGame || whosays == GE_ICS) {
10196 /* OK -- not an ICS game, or ICS said it was done */
10198 if (!isIcsGame && !appData.noChessProgram)
10199 SetUserThinkingEnables();
10201 /* [HGM] if a machine claims the game end we verify this claim */
10202 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10203 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10205 ChessMove trueResult = (ChessMove) -1;
10207 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10208 first.twoMachinesColor[0] :
10209 second.twoMachinesColor[0] ;
10211 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10212 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10213 /* [HGM] verify: engine mate claims accepted if they were flagged */
10214 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10216 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10217 /* [HGM] verify: engine mate claims accepted if they were flagged */
10218 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10220 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10221 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10224 // now verify win claims, but not in drop games, as we don't understand those yet
10225 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10226 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10227 (result == WhiteWins && claimer == 'w' ||
10228 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10229 if (appData.debugMode) {
10230 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10231 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10233 if(result != trueResult) {
10234 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10235 result = claimer == 'w' ? BlackWins : WhiteWins;
10236 resultDetails = buf;
10239 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10240 && (forwardMostMove <= backwardMostMove ||
10241 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10242 (claimer=='b')==(forwardMostMove&1))
10244 /* [HGM] verify: draws that were not flagged are false claims */
10245 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10246 result = claimer == 'w' ? BlackWins : WhiteWins;
10247 resultDetails = buf;
10249 /* (Claiming a loss is accepted no questions asked!) */
10251 /* [HGM] bare: don't allow bare King to win */
10252 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10253 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10254 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10255 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10256 && result != GameIsDrawn)
10257 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10258 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10259 int p = (signed char)boards[forwardMostMove][i][j] - color;
10260 if(p >= 0 && p <= (int)WhiteKing) k++;
10262 if (appData.debugMode) {
10263 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10264 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10267 result = GameIsDrawn;
10268 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10269 resultDetails = buf;
10275 if(serverMoves != NULL && !loadFlag) { char c = '=';
10276 if(result==WhiteWins) c = '+';
10277 if(result==BlackWins) c = '-';
10278 if(resultDetails != NULL)
10279 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10281 if (resultDetails != NULL) {
10282 gameInfo.result = result;
10283 gameInfo.resultDetails = StrSave(resultDetails);
10285 /* display last move only if game was not loaded from file */
10286 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10287 DisplayMove(currentMove - 1);
10289 if (forwardMostMove != 0) {
10290 if (gameMode != PlayFromGameFile && gameMode != EditGame
10291 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10293 if (*appData.saveGameFile != NULLCHAR) {
10294 SaveGameToFile(appData.saveGameFile, TRUE);
10295 } else if (appData.autoSaveGames) {
10298 if (*appData.savePositionFile != NULLCHAR) {
10299 SavePositionToFile(appData.savePositionFile);
10304 /* Tell program how game ended in case it is learning */
10305 /* [HGM] Moved this to after saving the PGN, just in case */
10306 /* engine died and we got here through time loss. In that */
10307 /* case we will get a fatal error writing the pipe, which */
10308 /* would otherwise lose us the PGN. */
10309 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10310 /* output during GameEnds should never be fatal anymore */
10311 if (gameMode == MachinePlaysWhite ||
10312 gameMode == MachinePlaysBlack ||
10313 gameMode == TwoMachinesPlay ||
10314 gameMode == IcsPlayingWhite ||
10315 gameMode == IcsPlayingBlack ||
10316 gameMode == BeginningOfGame) {
10318 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10320 if (first.pr != NoProc) {
10321 SendToProgram(buf, &first);
10323 if (second.pr != NoProc &&
10324 gameMode == TwoMachinesPlay) {
10325 SendToProgram(buf, &second);
10330 if (appData.icsActive) {
10331 if (appData.quietPlay &&
10332 (gameMode == IcsPlayingWhite ||
10333 gameMode == IcsPlayingBlack)) {
10334 SendToICS(ics_prefix);
10335 SendToICS("set shout 1\n");
10337 nextGameMode = IcsIdle;
10338 ics_user_moved = FALSE;
10339 /* clean up premove. It's ugly when the game has ended and the
10340 * premove highlights are still on the board.
10343 gotPremove = FALSE;
10344 ClearPremoveHighlights();
10345 DrawPosition(FALSE, boards[currentMove]);
10347 if (whosays == GE_ICS) {
10350 if (gameMode == IcsPlayingWhite)
10352 else if(gameMode == IcsPlayingBlack)
10353 PlayIcsLossSound();
10356 if (gameMode == IcsPlayingBlack)
10358 else if(gameMode == IcsPlayingWhite)
10359 PlayIcsLossSound();
10362 PlayIcsDrawSound();
10365 PlayIcsUnfinishedSound();
10368 } else if (gameMode == EditGame ||
10369 gameMode == PlayFromGameFile ||
10370 gameMode == AnalyzeMode ||
10371 gameMode == AnalyzeFile) {
10372 nextGameMode = gameMode;
10374 nextGameMode = EndOfGame;
10379 nextGameMode = gameMode;
10382 if (appData.noChessProgram) {
10383 gameMode = nextGameMode;
10385 endingGame = 0; /* [HGM] crash */
10390 /* Put first chess program into idle state */
10391 if (first.pr != NoProc &&
10392 (gameMode == MachinePlaysWhite ||
10393 gameMode == MachinePlaysBlack ||
10394 gameMode == TwoMachinesPlay ||
10395 gameMode == IcsPlayingWhite ||
10396 gameMode == IcsPlayingBlack ||
10397 gameMode == BeginningOfGame)) {
10398 SendToProgram("force\n", &first);
10399 if (first.usePing) {
10401 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10402 SendToProgram(buf, &first);
10405 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10406 /* Kill off first chess program */
10407 if (first.isr != NULL)
10408 RemoveInputSource(first.isr);
10411 if (first.pr != NoProc) {
10413 DoSleep( appData.delayBeforeQuit );
10414 SendToProgram("quit\n", &first);
10415 DoSleep( appData.delayAfterQuit );
10416 DestroyChildProcess(first.pr, first.useSigterm);
10420 if (second.reuse) {
10421 /* Put second chess program into idle state */
10422 if (second.pr != NoProc &&
10423 gameMode == TwoMachinesPlay) {
10424 SendToProgram("force\n", &second);
10425 if (second.usePing) {
10427 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10428 SendToProgram(buf, &second);
10431 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10432 /* Kill off second chess program */
10433 if (second.isr != NULL)
10434 RemoveInputSource(second.isr);
10437 if (second.pr != NoProc) {
10438 DoSleep( appData.delayBeforeQuit );
10439 SendToProgram("quit\n", &second);
10440 DoSleep( appData.delayAfterQuit );
10441 DestroyChildProcess(second.pr, second.useSigterm);
10443 second.pr = NoProc;
10446 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10447 char resChar = '=';
10451 if (first.twoMachinesColor[0] == 'w') {
10454 second.matchWins++;
10459 if (first.twoMachinesColor[0] == 'b') {
10462 second.matchWins++;
10465 case GameUnfinished:
10471 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10472 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10473 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10474 ReserveGame(nextGame, resChar); // sets nextGame
10475 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10476 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10477 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10479 if (nextGame <= appData.matchGames && !abortMatch) {
10480 gameMode = nextGameMode;
10481 matchGame = nextGame; // this will be overruled in tourney mode!
10482 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10483 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10484 endingGame = 0; /* [HGM] crash */
10487 gameMode = nextGameMode;
10488 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10489 first.tidy, second.tidy,
10490 first.matchWins, second.matchWins,
10491 appData.matchGames - (first.matchWins + second.matchWins));
10492 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10493 if(strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10494 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10495 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10496 first.twoMachinesColor = "black\n";
10497 second.twoMachinesColor = "white\n";
10499 first.twoMachinesColor = "white\n";
10500 second.twoMachinesColor = "black\n";
10504 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10505 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10507 gameMode = nextGameMode;
10509 endingGame = 0; /* [HGM] crash */
10510 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10511 if(matchMode == TRUE) { // match through command line: exit with or without popup
10513 ToNrEvent(forwardMostMove);
10514 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10516 } else DisplayFatalError(buf, 0, 0);
10517 } else { // match through menu; just stop, with or without popup
10518 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10521 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10522 } else DisplayNote(buf);
10524 if(ranking) free(ranking);
10528 /* Assumes program was just initialized (initString sent).
10529 Leaves program in force mode. */
10531 FeedMovesToProgram(cps, upto)
10532 ChessProgramState *cps;
10537 if (appData.debugMode)
10538 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10539 startedFromSetupPosition ? "position and " : "",
10540 backwardMostMove, upto, cps->which);
10541 if(currentlyInitializedVariant != gameInfo.variant) {
10543 // [HGM] variantswitch: make engine aware of new variant
10544 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10545 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10546 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10547 SendToProgram(buf, cps);
10548 currentlyInitializedVariant = gameInfo.variant;
10550 SendToProgram("force\n", cps);
10551 if (startedFromSetupPosition) {
10552 SendBoard(cps, backwardMostMove);
10553 if (appData.debugMode) {
10554 fprintf(debugFP, "feedMoves\n");
10557 for (i = backwardMostMove; i < upto; i++) {
10558 SendMoveToProgram(i, cps);
10564 ResurrectChessProgram()
10566 /* The chess program may have exited.
10567 If so, restart it and feed it all the moves made so far. */
10568 static int doInit = 0;
10570 if (appData.noChessProgram) return 1;
10572 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10573 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10574 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10575 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10577 if (first.pr != NoProc) return 1;
10578 StartChessProgram(&first);
10580 InitChessProgram(&first, FALSE);
10581 FeedMovesToProgram(&first, currentMove);
10583 if (!first.sendTime) {
10584 /* can't tell gnuchess what its clock should read,
10585 so we bow to its notion. */
10587 timeRemaining[0][currentMove] = whiteTimeRemaining;
10588 timeRemaining[1][currentMove] = blackTimeRemaining;
10591 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10592 appData.icsEngineAnalyze) && first.analysisSupport) {
10593 SendToProgram("analyze\n", &first);
10594 first.analyzing = TRUE;
10600 * Button procedures
10603 Reset(redraw, init)
10608 if (appData.debugMode) {
10609 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10610 redraw, init, gameMode);
10612 CleanupTail(); // [HGM] vari: delete any stored variations
10613 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10614 pausing = pauseExamInvalid = FALSE;
10615 startedFromSetupPosition = blackPlaysFirst = FALSE;
10617 whiteFlag = blackFlag = FALSE;
10618 userOfferedDraw = FALSE;
10619 hintRequested = bookRequested = FALSE;
10620 first.maybeThinking = FALSE;
10621 second.maybeThinking = FALSE;
10622 first.bookSuspend = FALSE; // [HGM] book
10623 second.bookSuspend = FALSE;
10624 thinkOutput[0] = NULLCHAR;
10625 lastHint[0] = NULLCHAR;
10626 ClearGameInfo(&gameInfo);
10627 gameInfo.variant = StringToVariant(appData.variant);
10628 ics_user_moved = ics_clock_paused = FALSE;
10629 ics_getting_history = H_FALSE;
10631 white_holding[0] = black_holding[0] = NULLCHAR;
10632 ClearProgramStats();
10633 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10637 flipView = appData.flipView;
10638 ClearPremoveHighlights();
10639 gotPremove = FALSE;
10640 alarmSounded = FALSE;
10642 GameEnds(EndOfFile, NULL, GE_PLAYER);
10643 if(appData.serverMovesName != NULL) {
10644 /* [HGM] prepare to make moves file for broadcasting */
10645 clock_t t = clock();
10646 if(serverMoves != NULL) fclose(serverMoves);
10647 serverMoves = fopen(appData.serverMovesName, "r");
10648 if(serverMoves != NULL) {
10649 fclose(serverMoves);
10650 /* delay 15 sec before overwriting, so all clients can see end */
10651 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10653 serverMoves = fopen(appData.serverMovesName, "w");
10657 gameMode = BeginningOfGame;
10659 if(appData.icsActive) gameInfo.variant = VariantNormal;
10660 currentMove = forwardMostMove = backwardMostMove = 0;
10661 InitPosition(redraw);
10662 for (i = 0; i < MAX_MOVES; i++) {
10663 if (commentList[i] != NULL) {
10664 free(commentList[i]);
10665 commentList[i] = NULL;
10669 timeRemaining[0][0] = whiteTimeRemaining;
10670 timeRemaining[1][0] = blackTimeRemaining;
10672 if (first.pr == NoProc) {
10673 StartChessProgram(&first);
10676 InitChessProgram(&first, startedFromSetupPosition);
10679 DisplayMessage("", "");
10680 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10681 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10688 if (!AutoPlayOneMove())
10690 if (matchMode || appData.timeDelay == 0)
10692 if (appData.timeDelay < 0)
10694 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10703 int fromX, fromY, toX, toY;
10705 if (appData.debugMode) {
10706 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10709 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10712 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10713 pvInfoList[currentMove].depth = programStats.depth;
10714 pvInfoList[currentMove].score = programStats.score;
10715 pvInfoList[currentMove].time = 0;
10716 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10719 if (currentMove >= forwardMostMove) {
10720 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10721 // gameMode = EndOfGame;
10722 // ModeHighlight();
10724 /* [AS] Clear current move marker at the end of a game */
10725 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10730 toX = moveList[currentMove][2] - AAA;
10731 toY = moveList[currentMove][3] - ONE;
10733 if (moveList[currentMove][1] == '@') {
10734 if (appData.highlightLastMove) {
10735 SetHighlights(-1, -1, toX, toY);
10738 fromX = moveList[currentMove][0] - AAA;
10739 fromY = moveList[currentMove][1] - ONE;
10741 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10743 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10745 if (appData.highlightLastMove) {
10746 SetHighlights(fromX, fromY, toX, toY);
10749 DisplayMove(currentMove);
10750 SendMoveToProgram(currentMove++, &first);
10751 DisplayBothClocks();
10752 DrawPosition(FALSE, boards[currentMove]);
10753 // [HGM] PV info: always display, routine tests if empty
10754 DisplayComment(currentMove - 1, commentList[currentMove]);
10760 LoadGameOneMove(readAhead)
10761 ChessMove readAhead;
10763 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10764 char promoChar = NULLCHAR;
10765 ChessMove moveType;
10766 char move[MSG_SIZ];
10769 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10770 gameMode != AnalyzeMode && gameMode != Training) {
10775 yyboardindex = forwardMostMove;
10776 if (readAhead != EndOfFile) {
10777 moveType = readAhead;
10779 if (gameFileFP == NULL)
10781 moveType = (ChessMove) Myylex();
10785 switch (moveType) {
10787 if (appData.debugMode)
10788 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10791 /* append the comment but don't display it */
10792 AppendComment(currentMove, p, FALSE);
10795 case WhiteCapturesEnPassant:
10796 case BlackCapturesEnPassant:
10797 case WhitePromotion:
10798 case BlackPromotion:
10799 case WhiteNonPromotion:
10800 case BlackNonPromotion:
10802 case WhiteKingSideCastle:
10803 case WhiteQueenSideCastle:
10804 case BlackKingSideCastle:
10805 case BlackQueenSideCastle:
10806 case WhiteKingSideCastleWild:
10807 case WhiteQueenSideCastleWild:
10808 case BlackKingSideCastleWild:
10809 case BlackQueenSideCastleWild:
10811 case WhiteHSideCastleFR:
10812 case WhiteASideCastleFR:
10813 case BlackHSideCastleFR:
10814 case BlackASideCastleFR:
10816 if (appData.debugMode)
10817 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10818 fromX = currentMoveString[0] - AAA;
10819 fromY = currentMoveString[1] - ONE;
10820 toX = currentMoveString[2] - AAA;
10821 toY = currentMoveString[3] - ONE;
10822 promoChar = currentMoveString[4];
10827 if (appData.debugMode)
10828 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10829 fromX = moveType == WhiteDrop ?
10830 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10831 (int) CharToPiece(ToLower(currentMoveString[0]));
10833 toX = currentMoveString[2] - AAA;
10834 toY = currentMoveString[3] - ONE;
10840 case GameUnfinished:
10841 if (appData.debugMode)
10842 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10843 p = strchr(yy_text, '{');
10844 if (p == NULL) p = strchr(yy_text, '(');
10847 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10849 q = strchr(p, *p == '{' ? '}' : ')');
10850 if (q != NULL) *q = NULLCHAR;
10853 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10854 GameEnds(moveType, p, GE_FILE);
10856 if (cmailMsgLoaded) {
10858 flipView = WhiteOnMove(currentMove);
10859 if (moveType == GameUnfinished) flipView = !flipView;
10860 if (appData.debugMode)
10861 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10866 if (appData.debugMode)
10867 fprintf(debugFP, "Parser hit end of file\n");
10868 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10874 if (WhiteOnMove(currentMove)) {
10875 GameEnds(BlackWins, "Black mates", GE_FILE);
10877 GameEnds(WhiteWins, "White mates", GE_FILE);
10881 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10887 case MoveNumberOne:
10888 if (lastLoadGameStart == GNUChessGame) {
10889 /* GNUChessGames have numbers, but they aren't move numbers */
10890 if (appData.debugMode)
10891 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10892 yy_text, (int) moveType);
10893 return LoadGameOneMove(EndOfFile); /* tail recursion */
10895 /* else fall thru */
10900 /* Reached start of next game in file */
10901 if (appData.debugMode)
10902 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10903 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10909 if (WhiteOnMove(currentMove)) {
10910 GameEnds(BlackWins, "Black mates", GE_FILE);
10912 GameEnds(WhiteWins, "White mates", GE_FILE);
10916 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10922 case PositionDiagram: /* should not happen; ignore */
10923 case ElapsedTime: /* ignore */
10924 case NAG: /* ignore */
10925 if (appData.debugMode)
10926 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10927 yy_text, (int) moveType);
10928 return LoadGameOneMove(EndOfFile); /* tail recursion */
10931 if (appData.testLegality) {
10932 if (appData.debugMode)
10933 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10934 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10935 (forwardMostMove / 2) + 1,
10936 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10937 DisplayError(move, 0);
10940 if (appData.debugMode)
10941 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10942 yy_text, currentMoveString);
10943 fromX = currentMoveString[0] - AAA;
10944 fromY = currentMoveString[1] - ONE;
10945 toX = currentMoveString[2] - AAA;
10946 toY = currentMoveString[3] - ONE;
10947 promoChar = currentMoveString[4];
10951 case AmbiguousMove:
10952 if (appData.debugMode)
10953 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10954 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10955 (forwardMostMove / 2) + 1,
10956 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10957 DisplayError(move, 0);
10962 case ImpossibleMove:
10963 if (appData.debugMode)
10964 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10965 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10966 (forwardMostMove / 2) + 1,
10967 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10968 DisplayError(move, 0);
10974 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10975 DrawPosition(FALSE, boards[currentMove]);
10976 DisplayBothClocks();
10977 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10978 DisplayComment(currentMove - 1, commentList[currentMove]);
10980 (void) StopLoadGameTimer();
10982 cmailOldMove = forwardMostMove;
10985 /* currentMoveString is set as a side-effect of yylex */
10987 thinkOutput[0] = NULLCHAR;
10988 MakeMove(fromX, fromY, toX, toY, promoChar);
10989 currentMove = forwardMostMove;
10994 /* Load the nth game from the given file */
10996 LoadGameFromFile(filename, n, title, useList)
11000 /*Boolean*/ int useList;
11005 if (strcmp(filename, "-") == 0) {
11009 f = fopen(filename, "rb");
11011 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11012 DisplayError(buf, errno);
11016 if (fseek(f, 0, 0) == -1) {
11017 /* f is not seekable; probably a pipe */
11020 if (useList && n == 0) {
11021 int error = GameListBuild(f);
11023 DisplayError(_("Cannot build game list"), error);
11024 } else if (!ListEmpty(&gameList) &&
11025 ((ListGame *) gameList.tailPred)->number > 1) {
11026 GameListPopUp(f, title);
11033 return LoadGame(f, n, title, FALSE);
11038 MakeRegisteredMove()
11040 int fromX, fromY, toX, toY;
11042 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11043 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11046 if (appData.debugMode)
11047 fprintf(debugFP, "Restoring %s for game %d\n",
11048 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11050 thinkOutput[0] = NULLCHAR;
11051 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11052 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11053 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11054 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11055 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11056 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11057 MakeMove(fromX, fromY, toX, toY, promoChar);
11058 ShowMove(fromX, fromY, toX, toY);
11060 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11067 if (WhiteOnMove(currentMove)) {
11068 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11070 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11075 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11082 if (WhiteOnMove(currentMove)) {
11083 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11085 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11090 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11101 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11103 CmailLoadGame(f, gameNumber, title, useList)
11111 if (gameNumber > nCmailGames) {
11112 DisplayError(_("No more games in this message"), 0);
11115 if (f == lastLoadGameFP) {
11116 int offset = gameNumber - lastLoadGameNumber;
11118 cmailMsg[0] = NULLCHAR;
11119 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11120 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11121 nCmailMovesRegistered--;
11123 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11124 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11125 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11128 if (! RegisterMove()) return FALSE;
11132 retVal = LoadGame(f, gameNumber, title, useList);
11134 /* Make move registered during previous look at this game, if any */
11135 MakeRegisteredMove();
11137 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11138 commentList[currentMove]
11139 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11140 DisplayComment(currentMove - 1, commentList[currentMove]);
11146 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11151 int gameNumber = lastLoadGameNumber + offset;
11152 if (lastLoadGameFP == NULL) {
11153 DisplayError(_("No game has been loaded yet"), 0);
11156 if (gameNumber <= 0) {
11157 DisplayError(_("Can't back up any further"), 0);
11160 if (cmailMsgLoaded) {
11161 return CmailLoadGame(lastLoadGameFP, gameNumber,
11162 lastLoadGameTitle, lastLoadGameUseList);
11164 return LoadGame(lastLoadGameFP, gameNumber,
11165 lastLoadGameTitle, lastLoadGameUseList);
11169 int keys[EmptySquare+1];
11172 PositionMatches(Board b1, Board b2)
11175 switch(appData.searchMode) {
11176 case 1: return CompareWithRights(b1, b2);
11178 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11179 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11183 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11184 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11185 sum += keys[b1[r][f]] - keys[b2[r][f]];
11189 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11190 sum += keys[b1[r][f]] - keys[b2[r][f]];
11202 int pieceList[256], quickBoard[256];
11203 ChessSquare pieceType[256] = { EmptySquare };
11204 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11205 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11206 int soughtTotal, turn;
11207 Boolean epOK, flipSearch;
11210 unsigned char piece, to;
11213 #define DSIZE (250000)
11215 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11216 Move *moveDatabase = initialSpace;
11217 unsigned int movePtr, dataSize = DSIZE;
11219 int MakePieceList(Board board, int *counts)
11221 int r, f, n=Q_PROMO, total=0;
11222 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11223 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11224 int sq = f + (r<<4);
11225 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11226 quickBoard[sq] = ++n;
11228 pieceType[n] = board[r][f];
11229 counts[board[r][f]]++;
11230 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11231 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11235 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11239 void PackMove(int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11241 int sq = fromX + (fromY<<4);
11242 int piece = quickBoard[sq];
11243 quickBoard[sq] = 0;
11244 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11245 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11246 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11247 moveDatabase[movePtr++].piece = Q_WCASTL;
11248 quickBoard[sq] = piece;
11249 piece = quickBoard[from]; quickBoard[from] = 0;
11250 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11252 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11253 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11254 moveDatabase[movePtr++].piece = Q_BCASTL;
11255 quickBoard[sq] = piece;
11256 piece = quickBoard[from]; quickBoard[from] = 0;
11257 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11259 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11260 quickBoard[(fromY<<4)+toX] = 0;
11261 moveDatabase[movePtr].piece = Q_EP;
11262 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11263 moveDatabase[movePtr].to = sq;
11265 if(promoPiece != pieceType[piece]) {
11266 moveDatabase[movePtr++].piece = Q_PROMO;
11267 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11269 moveDatabase[movePtr].piece = piece;
11270 quickBoard[sq] = piece;
11274 int PackGame(Board board)
11276 Move *newSpace = NULL;
11277 moveDatabase[movePtr].piece = 0; // terminate previous game
11278 if(movePtr > dataSize) {
11279 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11280 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11281 if(dataSize) newSpace = (Move*) calloc(8*dataSize + 1000, sizeof(Move));
11284 Move *p = moveDatabase, *q = newSpace;
11285 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11286 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11287 moveDatabase = newSpace;
11288 } else { // calloc failed, we must be out of memory. Too bad...
11289 dataSize = 0; // prevent calloc events for all subsequent games
11290 return 0; // and signal this one isn't cached
11294 MakePieceList(board, counts);
11298 int QuickCompare(Board board, int *minCounts, int *maxCounts)
11299 { // compare according to search mode
11301 switch(appData.searchMode)
11303 case 1: // exact position match
11304 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11305 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11306 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11309 case 2: // can have extra material on empty squares
11310 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11311 if(board[r][f] == EmptySquare) continue;
11312 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11315 case 3: // material with exact Pawn structure
11316 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11317 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11318 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11319 } // fall through to material comparison
11320 case 4: // exact material
11321 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11323 case 6: // material range with given imbalance
11324 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11325 // fall through to range comparison
11326 case 5: // material range
11327 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11332 int QuickScan(Board board, Move *move)
11333 { // reconstruct game,and compare all positions in it
11334 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11336 int piece = move->piece;
11337 int to = move->to, from = pieceList[piece];
11338 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11339 if(!piece) return -1;
11340 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11341 piece = (++move)->piece;
11342 from = pieceList[piece];
11343 counts[pieceType[piece]]--;
11344 pieceType[piece] = (ChessSquare) move->to;
11345 counts[move->to]++;
11346 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11347 counts[pieceType[quickBoard[to]]]--;
11348 quickBoard[to] = 0; total--;
11351 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11352 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11353 from = pieceList[piece]; // so this must be King
11354 quickBoard[from] = 0;
11355 quickBoard[to] = piece;
11356 pieceList[piece] = to;
11361 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11362 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11363 quickBoard[from] = 0;
11364 quickBoard[to] = piece;
11365 pieceList[piece] = to;
11367 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11368 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11369 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11370 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11372 static int lastCounts[EmptySquare+1];
11374 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11375 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11376 } else stretch = 0;
11377 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11385 flipSearch = FALSE;
11386 CopyBoard(soughtBoard, boards[currentMove]);
11387 soughtTotal = MakePieceList(soughtBoard, maxSought);
11388 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11389 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11390 CopyBoard(reverseBoard, boards[currentMove]);
11391 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11392 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11393 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11394 reverseBoard[r][f] = piece;
11396 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11397 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11398 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11399 || (boards[currentMove][CASTLING][2] == NoRights ||
11400 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11401 && (boards[currentMove][CASTLING][5] == NoRights ||
11402 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11405 CopyBoard(flipBoard, soughtBoard);
11406 CopyBoard(rotateBoard, reverseBoard);
11407 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11408 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11409 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11412 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11413 if(appData.searchMode >= 5) {
11414 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11415 MakePieceList(soughtBoard, minSought);
11416 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11418 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11419 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11422 GameInfo dummyInfo;
11424 int GameContainsPosition(FILE *f, ListGame *lg)
11426 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11427 int fromX, fromY, toX, toY;
11429 static int initDone=FALSE;
11431 // weed out games based on numerical tag comparison
11432 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11433 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11434 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11435 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11437 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11440 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11441 else CopyBoard(boards[scratch], initialPosition); // default start position
11444 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11445 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11448 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11449 fseek(f, lg->offset, 0);
11452 yyboardindex = scratch;
11453 quickFlag = plyNr+1;
11458 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11464 if(plyNr) return -1; // after we have seen moves, this is for new game
11467 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11468 case ImpossibleMove:
11469 case WhiteWins: // game ends here with these four
11472 case GameUnfinished:
11476 if(appData.testLegality) return -1;
11477 case WhiteCapturesEnPassant:
11478 case BlackCapturesEnPassant:
11479 case WhitePromotion:
11480 case BlackPromotion:
11481 case WhiteNonPromotion:
11482 case BlackNonPromotion:
11484 case WhiteKingSideCastle:
11485 case WhiteQueenSideCastle:
11486 case BlackKingSideCastle:
11487 case BlackQueenSideCastle:
11488 case WhiteKingSideCastleWild:
11489 case WhiteQueenSideCastleWild:
11490 case BlackKingSideCastleWild:
11491 case BlackQueenSideCastleWild:
11492 case WhiteHSideCastleFR:
11493 case WhiteASideCastleFR:
11494 case BlackHSideCastleFR:
11495 case BlackASideCastleFR:
11496 fromX = currentMoveString[0] - AAA;
11497 fromY = currentMoveString[1] - ONE;
11498 toX = currentMoveString[2] - AAA;
11499 toY = currentMoveString[3] - ONE;
11500 promoChar = currentMoveString[4];
11504 fromX = next == WhiteDrop ?
11505 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11506 (int) CharToPiece(ToLower(currentMoveString[0]));
11508 toX = currentMoveString[2] - AAA;
11509 toY = currentMoveString[3] - ONE;
11513 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11515 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11516 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11517 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11518 if(appData.findMirror) {
11519 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11520 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11525 /* Load the nth game from open file f */
11527 LoadGame(f, gameNumber, title, useList)
11535 int gn = gameNumber;
11536 ListGame *lg = NULL;
11537 int numPGNTags = 0;
11539 GameMode oldGameMode;
11540 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11542 if (appData.debugMode)
11543 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11545 if (gameMode == Training )
11546 SetTrainingModeOff();
11548 oldGameMode = gameMode;
11549 if (gameMode != BeginningOfGame) {
11550 Reset(FALSE, TRUE);
11554 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11555 fclose(lastLoadGameFP);
11559 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11562 fseek(f, lg->offset, 0);
11563 GameListHighlight(gameNumber);
11564 pos = lg->position;
11568 DisplayError(_("Game number out of range"), 0);
11573 if (fseek(f, 0, 0) == -1) {
11574 if (f == lastLoadGameFP ?
11575 gameNumber == lastLoadGameNumber + 1 :
11579 DisplayError(_("Can't seek on game file"), 0);
11584 lastLoadGameFP = f;
11585 lastLoadGameNumber = gameNumber;
11586 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11587 lastLoadGameUseList = useList;
11591 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11592 snprintf(buf, sizeof(buf), _("%s vs. %s"), lg->gameInfo.white,
11593 lg->gameInfo.black);
11595 } else if (*title != NULLCHAR) {
11596 if (gameNumber > 1) {
11597 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11600 DisplayTitle(title);
11604 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11605 gameMode = PlayFromGameFile;
11609 currentMove = forwardMostMove = backwardMostMove = 0;
11610 CopyBoard(boards[0], initialPosition);
11614 * Skip the first gn-1 games in the file.
11615 * Also skip over anything that precedes an identifiable
11616 * start of game marker, to avoid being confused by
11617 * garbage at the start of the file. Currently
11618 * recognized start of game markers are the move number "1",
11619 * the pattern "gnuchess .* game", the pattern
11620 * "^[#;%] [^ ]* game file", and a PGN tag block.
11621 * A game that starts with one of the latter two patterns
11622 * will also have a move number 1, possibly
11623 * following a position diagram.
11624 * 5-4-02: Let's try being more lenient and allowing a game to
11625 * start with an unnumbered move. Does that break anything?
11627 cm = lastLoadGameStart = EndOfFile;
11629 yyboardindex = forwardMostMove;
11630 cm = (ChessMove) Myylex();
11633 if (cmailMsgLoaded) {
11634 nCmailGames = CMAIL_MAX_GAMES - gn;
11637 DisplayError(_("Game not found in file"), 0);
11644 lastLoadGameStart = cm;
11647 case MoveNumberOne:
11648 switch (lastLoadGameStart) {
11653 case MoveNumberOne:
11655 gn--; /* count this game */
11656 lastLoadGameStart = cm;
11665 switch (lastLoadGameStart) {
11668 case MoveNumberOne:
11670 gn--; /* count this game */
11671 lastLoadGameStart = cm;
11674 lastLoadGameStart = cm; /* game counted already */
11682 yyboardindex = forwardMostMove;
11683 cm = (ChessMove) Myylex();
11684 } while (cm == PGNTag || cm == Comment);
11691 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11692 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11693 != CMAIL_OLD_RESULT) {
11695 cmailResult[ CMAIL_MAX_GAMES
11696 - gn - 1] = CMAIL_OLD_RESULT;
11702 /* Only a NormalMove can be at the start of a game
11703 * without a position diagram. */
11704 if (lastLoadGameStart == EndOfFile ) {
11706 lastLoadGameStart = MoveNumberOne;
11715 if (appData.debugMode)
11716 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11718 if (cm == XBoardGame) {
11719 /* Skip any header junk before position diagram and/or move 1 */
11721 yyboardindex = forwardMostMove;
11722 cm = (ChessMove) Myylex();
11724 if (cm == EndOfFile ||
11725 cm == GNUChessGame || cm == XBoardGame) {
11726 /* Empty game; pretend end-of-file and handle later */
11731 if (cm == MoveNumberOne || cm == PositionDiagram ||
11732 cm == PGNTag || cm == Comment)
11735 } else if (cm == GNUChessGame) {
11736 if (gameInfo.event != NULL) {
11737 free(gameInfo.event);
11739 gameInfo.event = StrSave(yy_text);
11742 startedFromSetupPosition = FALSE;
11743 while (cm == PGNTag) {
11744 if (appData.debugMode)
11745 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11746 err = ParsePGNTag(yy_text, &gameInfo);
11747 if (!err) numPGNTags++;
11749 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11750 if(gameInfo.variant != oldVariant) {
11751 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11752 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11753 InitPosition(TRUE);
11754 oldVariant = gameInfo.variant;
11755 if (appData.debugMode)
11756 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11760 if (gameInfo.fen != NULL) {
11761 Board initial_position;
11762 startedFromSetupPosition = TRUE;
11763 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11765 DisplayError(_("Bad FEN position in file"), 0);
11768 CopyBoard(boards[0], initial_position);
11769 if (blackPlaysFirst) {
11770 currentMove = forwardMostMove = backwardMostMove = 1;
11771 CopyBoard(boards[1], initial_position);
11772 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11773 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11774 timeRemaining[0][1] = whiteTimeRemaining;
11775 timeRemaining[1][1] = blackTimeRemaining;
11776 if (commentList[0] != NULL) {
11777 commentList[1] = commentList[0];
11778 commentList[0] = NULL;
11781 currentMove = forwardMostMove = backwardMostMove = 0;
11783 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11785 initialRulePlies = FENrulePlies;
11786 for( i=0; i< nrCastlingRights; i++ )
11787 initialRights[i] = initial_position[CASTLING][i];
11789 yyboardindex = forwardMostMove;
11790 free(gameInfo.fen);
11791 gameInfo.fen = NULL;
11794 yyboardindex = forwardMostMove;
11795 cm = (ChessMove) Myylex();
11797 /* Handle comments interspersed among the tags */
11798 while (cm == Comment) {
11800 if (appData.debugMode)
11801 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11803 AppendComment(currentMove, p, FALSE);
11804 yyboardindex = forwardMostMove;
11805 cm = (ChessMove) Myylex();
11809 /* don't rely on existence of Event tag since if game was
11810 * pasted from clipboard the Event tag may not exist
11812 if (numPGNTags > 0){
11814 if (gameInfo.variant == VariantNormal) {
11815 VariantClass v = StringToVariant(gameInfo.event);
11816 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11817 if(v < VariantShogi) gameInfo.variant = v;
11820 if( appData.autoDisplayTags ) {
11821 tags = PGNTags(&gameInfo);
11822 TagsPopUp(tags, CmailMsg());
11827 /* Make something up, but don't display it now */
11832 if (cm == PositionDiagram) {
11835 Board initial_position;
11837 if (appData.debugMode)
11838 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11840 if (!startedFromSetupPosition) {
11842 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11843 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11854 initial_position[i][j++] = CharToPiece(*p);
11857 while (*p == ' ' || *p == '\t' ||
11858 *p == '\n' || *p == '\r') p++;
11860 if (strncmp(p, "black", strlen("black"))==0)
11861 blackPlaysFirst = TRUE;
11863 blackPlaysFirst = FALSE;
11864 startedFromSetupPosition = TRUE;
11866 CopyBoard(boards[0], initial_position);
11867 if (blackPlaysFirst) {
11868 currentMove = forwardMostMove = backwardMostMove = 1;
11869 CopyBoard(boards[1], initial_position);
11870 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11871 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11872 timeRemaining[0][1] = whiteTimeRemaining;
11873 timeRemaining[1][1] = blackTimeRemaining;
11874 if (commentList[0] != NULL) {
11875 commentList[1] = commentList[0];
11876 commentList[0] = NULL;
11879 currentMove = forwardMostMove = backwardMostMove = 0;
11882 yyboardindex = forwardMostMove;
11883 cm = (ChessMove) Myylex();
11886 if (first.pr == NoProc) {
11887 StartChessProgram(&first);
11889 InitChessProgram(&first, FALSE);
11890 SendToProgram("force\n", &first);
11891 if (startedFromSetupPosition) {
11892 SendBoard(&first, forwardMostMove);
11893 if (appData.debugMode) {
11894 fprintf(debugFP, "Load Game\n");
11896 DisplayBothClocks();
11899 /* [HGM] server: flag to write setup moves in broadcast file as one */
11900 loadFlag = appData.suppressLoadMoves;
11902 while (cm == Comment) {
11904 if (appData.debugMode)
11905 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11907 AppendComment(currentMove, p, FALSE);
11908 yyboardindex = forwardMostMove;
11909 cm = (ChessMove) Myylex();
11912 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11913 cm == WhiteWins || cm == BlackWins ||
11914 cm == GameIsDrawn || cm == GameUnfinished) {
11915 DisplayMessage("", _("No moves in game"));
11916 if (cmailMsgLoaded) {
11917 if (appData.debugMode)
11918 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11922 DrawPosition(FALSE, boards[currentMove]);
11923 DisplayBothClocks();
11924 gameMode = EditGame;
11931 // [HGM] PV info: routine tests if comment empty
11932 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11933 DisplayComment(currentMove - 1, commentList[currentMove]);
11935 if (!matchMode && appData.timeDelay != 0)
11936 DrawPosition(FALSE, boards[currentMove]);
11938 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11939 programStats.ok_to_send = 1;
11942 /* if the first token after the PGN tags is a move
11943 * and not move number 1, retrieve it from the parser
11945 if (cm != MoveNumberOne)
11946 LoadGameOneMove(cm);
11948 /* load the remaining moves from the file */
11949 while (LoadGameOneMove(EndOfFile)) {
11950 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11951 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11954 /* rewind to the start of the game */
11955 currentMove = backwardMostMove;
11957 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11959 if (oldGameMode == AnalyzeFile ||
11960 oldGameMode == AnalyzeMode) {
11961 AnalyzeFileEvent();
11964 if (!matchMode && pos >= 0) {
11965 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11967 if (matchMode || appData.timeDelay == 0) {
11969 } else if (appData.timeDelay > 0) {
11970 AutoPlayGameLoop();
11973 if (appData.debugMode)
11974 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11976 loadFlag = 0; /* [HGM] true game starts */
11980 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11982 ReloadPosition(offset)
11985 int positionNumber = lastLoadPositionNumber + offset;
11986 if (lastLoadPositionFP == NULL) {
11987 DisplayError(_("No position has been loaded yet"), 0);
11990 if (positionNumber <= 0) {
11991 DisplayError(_("Can't back up any further"), 0);
11994 return LoadPosition(lastLoadPositionFP, positionNumber,
11995 lastLoadPositionTitle);
11998 /* Load the nth position from the given file */
12000 LoadPositionFromFile(filename, n, title)
12008 if (strcmp(filename, "-") == 0) {
12009 return LoadPosition(stdin, n, "stdin");
12011 f = fopen(filename, "rb");
12013 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12014 DisplayError(buf, errno);
12017 return LoadPosition(f, n, title);
12022 /* Load the nth position from the given open file, and close it */
12024 LoadPosition(f, positionNumber, title)
12026 int positionNumber;
12029 char *p, line[MSG_SIZ];
12030 Board initial_position;
12031 int i, j, fenMode, pn;
12033 if (gameMode == Training )
12034 SetTrainingModeOff();
12036 if (gameMode != BeginningOfGame) {
12037 Reset(FALSE, TRUE);
12039 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12040 fclose(lastLoadPositionFP);
12042 if (positionNumber == 0) positionNumber = 1;
12043 lastLoadPositionFP = f;
12044 lastLoadPositionNumber = positionNumber;
12045 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12046 if (first.pr == NoProc && !appData.noChessProgram) {
12047 StartChessProgram(&first);
12048 InitChessProgram(&first, FALSE);
12050 pn = positionNumber;
12051 if (positionNumber < 0) {
12052 /* Negative position number means to seek to that byte offset */
12053 if (fseek(f, -positionNumber, 0) == -1) {
12054 DisplayError(_("Can't seek on position file"), 0);
12059 if (fseek(f, 0, 0) == -1) {
12060 if (f == lastLoadPositionFP ?
12061 positionNumber == lastLoadPositionNumber + 1 :
12062 positionNumber == 1) {
12065 DisplayError(_("Can't seek on position file"), 0);
12070 /* See if this file is FEN or old-style xboard */
12071 if (fgets(line, MSG_SIZ, f) == NULL) {
12072 DisplayError(_("Position not found in file"), 0);
12075 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12076 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12079 if (fenMode || line[0] == '#') pn--;
12081 /* skip positions before number pn */
12082 if (fgets(line, MSG_SIZ, f) == NULL) {
12084 DisplayError(_("Position not found in file"), 0);
12087 if (fenMode || line[0] == '#') pn--;
12092 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12093 DisplayError(_("Bad FEN position in file"), 0);
12097 (void) fgets(line, MSG_SIZ, f);
12098 (void) fgets(line, MSG_SIZ, f);
12100 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12101 (void) fgets(line, MSG_SIZ, f);
12102 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12105 initial_position[i][j++] = CharToPiece(*p);
12109 blackPlaysFirst = FALSE;
12111 (void) fgets(line, MSG_SIZ, f);
12112 if (strncmp(line, "black", strlen("black"))==0)
12113 blackPlaysFirst = TRUE;
12116 startedFromSetupPosition = TRUE;
12118 CopyBoard(boards[0], initial_position);
12119 if (blackPlaysFirst) {
12120 currentMove = forwardMostMove = backwardMostMove = 1;
12121 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12122 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12123 CopyBoard(boards[1], initial_position);
12124 DisplayMessage("", _("Black to play"));
12126 currentMove = forwardMostMove = backwardMostMove = 0;
12127 DisplayMessage("", _("White to play"));
12129 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12130 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12131 SendToProgram("force\n", &first);
12132 SendBoard(&first, forwardMostMove);
12134 if (appData.debugMode) {
12136 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12137 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12138 fprintf(debugFP, "Load Position\n");
12141 if (positionNumber > 1) {
12142 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12143 DisplayTitle(line);
12145 DisplayTitle(title);
12147 gameMode = EditGame;
12150 timeRemaining[0][1] = whiteTimeRemaining;
12151 timeRemaining[1][1] = blackTimeRemaining;
12152 DrawPosition(FALSE, boards[currentMove]);
12159 CopyPlayerNameIntoFileName(dest, src)
12162 while (*src != NULLCHAR && *src != ',') {
12167 *(*dest)++ = *src++;
12172 char *DefaultFileName(ext)
12175 static char def[MSG_SIZ];
12178 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12180 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12182 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12184 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12191 /* Save the current game to the given file */
12193 SaveGameToFile(filename, append)
12199 int result, i, t,tot=0;
12201 if (strcmp(filename, "-") == 0) {
12202 return SaveGame(stdout, 0, NULL);
12204 for(i=0; i<10; i++) { // upto 10 tries
12205 f = fopen(filename, append ? "a" : "w");
12206 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12207 if(f || errno != 13) break;
12208 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12212 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12213 DisplayError(buf, errno);
12216 safeStrCpy(buf, lastMsg, MSG_SIZ);
12217 DisplayMessage(_("Waiting for access to save file"), "");
12218 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12219 DisplayMessage(_("Saving game"), "");
12220 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12221 result = SaveGame(f, 0, NULL);
12222 DisplayMessage(buf, "");
12232 static char buf[MSG_SIZ];
12235 p = strchr(str, ' ');
12236 if (p == NULL) return str;
12237 strncpy(buf, str, p - str);
12238 buf[p - str] = NULLCHAR;
12242 #define PGN_MAX_LINE 75
12244 #define PGN_SIDE_WHITE 0
12245 #define PGN_SIDE_BLACK 1
12248 static int FindFirstMoveOutOfBook( int side )
12252 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12253 int index = backwardMostMove;
12254 int has_book_hit = 0;
12256 if( (index % 2) != side ) {
12260 while( index < forwardMostMove ) {
12261 /* Check to see if engine is in book */
12262 int depth = pvInfoList[index].depth;
12263 int score = pvInfoList[index].score;
12269 else if( score == 0 && depth == 63 ) {
12270 in_book = 1; /* Zappa */
12272 else if( score == 2 && depth == 99 ) {
12273 in_book = 1; /* Abrok */
12276 has_book_hit += in_book;
12292 void GetOutOfBookInfo( char * buf )
12296 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12298 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12299 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12303 if( oob[0] >= 0 || oob[1] >= 0 ) {
12304 for( i=0; i<2; i++ ) {
12308 if( i > 0 && oob[0] >= 0 ) {
12309 strcat( buf, " " );
12312 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12313 sprintf( buf+strlen(buf), "%s%.2f",
12314 pvInfoList[idx].score >= 0 ? "+" : "",
12315 pvInfoList[idx].score / 100.0 );
12321 /* Save game in PGN style and close the file */
12326 int i, offset, linelen, newblock;
12330 int movelen, numlen, blank;
12331 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12333 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12335 tm = time((time_t *) NULL);
12337 PrintPGNTags(f, &gameInfo);
12339 if (backwardMostMove > 0 || startedFromSetupPosition) {
12340 char *fen = PositionToFEN(backwardMostMove, NULL);
12341 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12342 fprintf(f, "\n{--------------\n");
12343 PrintPosition(f, backwardMostMove);
12344 fprintf(f, "--------------}\n");
12348 /* [AS] Out of book annotation */
12349 if( appData.saveOutOfBookInfo ) {
12352 GetOutOfBookInfo( buf );
12354 if( buf[0] != '\0' ) {
12355 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12362 i = backwardMostMove;
12366 while (i < forwardMostMove) {
12367 /* Print comments preceding this move */
12368 if (commentList[i] != NULL) {
12369 if (linelen > 0) fprintf(f, "\n");
12370 fprintf(f, "%s", commentList[i]);
12375 /* Format move number */
12377 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12380 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12382 numtext[0] = NULLCHAR;
12384 numlen = strlen(numtext);
12387 /* Print move number */
12388 blank = linelen > 0 && numlen > 0;
12389 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12398 fprintf(f, "%s", numtext);
12402 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12403 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12406 blank = linelen > 0 && movelen > 0;
12407 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12416 fprintf(f, "%s", move_buffer);
12417 linelen += movelen;
12419 /* [AS] Add PV info if present */
12420 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12421 /* [HGM] add time */
12422 char buf[MSG_SIZ]; int seconds;
12424 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12430 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12433 seconds = (seconds + 4)/10; // round to full seconds
12435 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12437 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12440 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12441 pvInfoList[i].score >= 0 ? "+" : "",
12442 pvInfoList[i].score / 100.0,
12443 pvInfoList[i].depth,
12446 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12448 /* Print score/depth */
12449 blank = linelen > 0 && movelen > 0;
12450 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12459 fprintf(f, "%s", move_buffer);
12460 linelen += movelen;
12466 /* Start a new line */
12467 if (linelen > 0) fprintf(f, "\n");
12469 /* Print comments after last move */
12470 if (commentList[i] != NULL) {
12471 fprintf(f, "%s\n", commentList[i]);
12475 if (gameInfo.resultDetails != NULL &&
12476 gameInfo.resultDetails[0] != NULLCHAR) {
12477 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12478 PGNResult(gameInfo.result));
12480 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12484 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12488 /* Save game in old style and close the file */
12490 SaveGameOldStyle(f)
12496 tm = time((time_t *) NULL);
12498 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12501 if (backwardMostMove > 0 || startedFromSetupPosition) {
12502 fprintf(f, "\n[--------------\n");
12503 PrintPosition(f, backwardMostMove);
12504 fprintf(f, "--------------]\n");
12509 i = backwardMostMove;
12510 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12512 while (i < forwardMostMove) {
12513 if (commentList[i] != NULL) {
12514 fprintf(f, "[%s]\n", commentList[i]);
12517 if ((i % 2) == 1) {
12518 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12521 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12523 if (commentList[i] != NULL) {
12527 if (i >= forwardMostMove) {
12531 fprintf(f, "%s\n", parseList[i]);
12536 if (commentList[i] != NULL) {
12537 fprintf(f, "[%s]\n", commentList[i]);
12540 /* This isn't really the old style, but it's close enough */
12541 if (gameInfo.resultDetails != NULL &&
12542 gameInfo.resultDetails[0] != NULLCHAR) {
12543 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12544 gameInfo.resultDetails);
12546 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12553 /* Save the current game to open file f and close the file */
12555 SaveGame(f, dummy, dummy2)
12560 if (gameMode == EditPosition) EditPositionDone(TRUE);
12561 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12562 if (appData.oldSaveStyle)
12563 return SaveGameOldStyle(f);
12565 return SaveGamePGN(f);
12568 /* Save the current position to the given file */
12570 SavePositionToFile(filename)
12576 if (strcmp(filename, "-") == 0) {
12577 return SavePosition(stdout, 0, NULL);
12579 f = fopen(filename, "a");
12581 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12582 DisplayError(buf, errno);
12585 safeStrCpy(buf, lastMsg, MSG_SIZ);
12586 DisplayMessage(_("Waiting for access to save file"), "");
12587 flock(fileno(f), LOCK_EX); // [HGM] lock
12588 DisplayMessage(_("Saving position"), "");
12589 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12590 SavePosition(f, 0, NULL);
12591 DisplayMessage(buf, "");
12597 /* Save the current position to the given open file and close the file */
12599 SavePosition(f, dummy, dummy2)
12607 if (gameMode == EditPosition) EditPositionDone(TRUE);
12608 if (appData.oldSaveStyle) {
12609 tm = time((time_t *) NULL);
12611 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12613 fprintf(f, "[--------------\n");
12614 PrintPosition(f, currentMove);
12615 fprintf(f, "--------------]\n");
12617 fen = PositionToFEN(currentMove, NULL);
12618 fprintf(f, "%s\n", fen);
12626 ReloadCmailMsgEvent(unregister)
12630 static char *inFilename = NULL;
12631 static char *outFilename;
12633 struct stat inbuf, outbuf;
12636 /* Any registered moves are unregistered if unregister is set, */
12637 /* i.e. invoked by the signal handler */
12639 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12640 cmailMoveRegistered[i] = FALSE;
12641 if (cmailCommentList[i] != NULL) {
12642 free(cmailCommentList[i]);
12643 cmailCommentList[i] = NULL;
12646 nCmailMovesRegistered = 0;
12649 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12650 cmailResult[i] = CMAIL_NOT_RESULT;
12654 if (inFilename == NULL) {
12655 /* Because the filenames are static they only get malloced once */
12656 /* and they never get freed */
12657 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12658 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12660 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12661 sprintf(outFilename, "%s.out", appData.cmailGameName);
12664 status = stat(outFilename, &outbuf);
12666 cmailMailedMove = FALSE;
12668 status = stat(inFilename, &inbuf);
12669 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12672 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12673 counts the games, notes how each one terminated, etc.
12675 It would be nice to remove this kludge and instead gather all
12676 the information while building the game list. (And to keep it
12677 in the game list nodes instead of having a bunch of fixed-size
12678 parallel arrays.) Note this will require getting each game's
12679 termination from the PGN tags, as the game list builder does
12680 not process the game moves. --mann
12682 cmailMsgLoaded = TRUE;
12683 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12685 /* Load first game in the file or popup game menu */
12686 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12688 #endif /* !WIN32 */
12696 char string[MSG_SIZ];
12698 if ( cmailMailedMove
12699 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12700 return TRUE; /* Allow free viewing */
12703 /* Unregister move to ensure that we don't leave RegisterMove */
12704 /* with the move registered when the conditions for registering no */
12706 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12707 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12708 nCmailMovesRegistered --;
12710 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12712 free(cmailCommentList[lastLoadGameNumber - 1]);
12713 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12717 if (cmailOldMove == -1) {
12718 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12722 if (currentMove > cmailOldMove + 1) {
12723 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12727 if (currentMove < cmailOldMove) {
12728 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12732 if (forwardMostMove > currentMove) {
12733 /* Silently truncate extra moves */
12737 if ( (currentMove == cmailOldMove + 1)
12738 || ( (currentMove == cmailOldMove)
12739 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12740 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12741 if (gameInfo.result != GameUnfinished) {
12742 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12745 if (commentList[currentMove] != NULL) {
12746 cmailCommentList[lastLoadGameNumber - 1]
12747 = StrSave(commentList[currentMove]);
12749 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12751 if (appData.debugMode)
12752 fprintf(debugFP, "Saving %s for game %d\n",
12753 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12755 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12757 f = fopen(string, "w");
12758 if (appData.oldSaveStyle) {
12759 SaveGameOldStyle(f); /* also closes the file */
12761 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12762 f = fopen(string, "w");
12763 SavePosition(f, 0, NULL); /* also closes the file */
12765 fprintf(f, "{--------------\n");
12766 PrintPosition(f, currentMove);
12767 fprintf(f, "--------------}\n\n");
12769 SaveGame(f, 0, NULL); /* also closes the file*/
12772 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12773 nCmailMovesRegistered ++;
12774 } else if (nCmailGames == 1) {
12775 DisplayError(_("You have not made a move yet"), 0);
12786 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12787 FILE *commandOutput;
12788 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12789 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12795 if (! cmailMsgLoaded) {
12796 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12800 if (nCmailGames == nCmailResults) {
12801 DisplayError(_("No unfinished games"), 0);
12805 #if CMAIL_PROHIBIT_REMAIL
12806 if (cmailMailedMove) {
12807 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);
12808 DisplayError(msg, 0);
12813 if (! (cmailMailedMove || RegisterMove())) return;
12815 if ( cmailMailedMove
12816 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12817 snprintf(string, MSG_SIZ, partCommandString,
12818 appData.debugMode ? " -v" : "", appData.cmailGameName);
12819 commandOutput = popen(string, "r");
12821 if (commandOutput == NULL) {
12822 DisplayError(_("Failed to invoke cmail"), 0);
12824 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12825 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12827 if (nBuffers > 1) {
12828 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12829 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12830 nBytes = MSG_SIZ - 1;
12832 (void) memcpy(msg, buffer, nBytes);
12834 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12836 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12837 cmailMailedMove = TRUE; /* Prevent >1 moves */
12840 for (i = 0; i < nCmailGames; i ++) {
12841 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12846 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12848 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12850 appData.cmailGameName,
12852 LoadGameFromFile(buffer, 1, buffer, FALSE);
12853 cmailMsgLoaded = FALSE;
12857 DisplayInformation(msg);
12858 pclose(commandOutput);
12861 if ((*cmailMsg) != '\0') {
12862 DisplayInformation(cmailMsg);
12867 #endif /* !WIN32 */
12876 int prependComma = 0;
12878 char string[MSG_SIZ]; /* Space for game-list */
12881 if (!cmailMsgLoaded) return "";
12883 if (cmailMailedMove) {
12884 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12886 /* Create a list of games left */
12887 snprintf(string, MSG_SIZ, "[");
12888 for (i = 0; i < nCmailGames; i ++) {
12889 if (! ( cmailMoveRegistered[i]
12890 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12891 if (prependComma) {
12892 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12894 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12898 strcat(string, number);
12901 strcat(string, "]");
12903 if (nCmailMovesRegistered + nCmailResults == 0) {
12904 switch (nCmailGames) {
12906 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12910 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12914 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12919 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12921 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12926 if (nCmailResults == nCmailGames) {
12927 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12929 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12934 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12946 if (gameMode == Training)
12947 SetTrainingModeOff();
12950 cmailMsgLoaded = FALSE;
12951 if (appData.icsActive) {
12952 SendToICS(ics_prefix);
12953 SendToICS("refresh\n");
12963 /* Give up on clean exit */
12967 /* Keep trying for clean exit */
12971 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12973 if (telnetISR != NULL) {
12974 RemoveInputSource(telnetISR);
12976 if (icsPR != NoProc) {
12977 DestroyChildProcess(icsPR, TRUE);
12980 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12981 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12983 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12984 /* make sure this other one finishes before killing it! */
12985 if(endingGame) { int count = 0;
12986 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12987 while(endingGame && count++ < 10) DoSleep(1);
12988 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12991 /* Kill off chess programs */
12992 if (first.pr != NoProc) {
12995 DoSleep( appData.delayBeforeQuit );
12996 SendToProgram("quit\n", &first);
12997 DoSleep( appData.delayAfterQuit );
12998 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13000 if (second.pr != NoProc) {
13001 DoSleep( appData.delayBeforeQuit );
13002 SendToProgram("quit\n", &second);
13003 DoSleep( appData.delayAfterQuit );
13004 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13006 if (first.isr != NULL) {
13007 RemoveInputSource(first.isr);
13009 if (second.isr != NULL) {
13010 RemoveInputSource(second.isr);
13013 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13014 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13016 ShutDownFrontEnd();
13023 if (appData.debugMode)
13024 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13028 if (gameMode == MachinePlaysWhite ||
13029 gameMode == MachinePlaysBlack) {
13032 DisplayBothClocks();
13034 if (gameMode == PlayFromGameFile) {
13035 if (appData.timeDelay >= 0)
13036 AutoPlayGameLoop();
13037 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13038 Reset(FALSE, TRUE);
13039 SendToICS(ics_prefix);
13040 SendToICS("refresh\n");
13041 } else if (currentMove < forwardMostMove) {
13042 ForwardInner(forwardMostMove);
13044 pauseExamInvalid = FALSE;
13046 switch (gameMode) {
13050 pauseExamForwardMostMove = forwardMostMove;
13051 pauseExamInvalid = FALSE;
13054 case IcsPlayingWhite:
13055 case IcsPlayingBlack:
13059 case PlayFromGameFile:
13060 (void) StopLoadGameTimer();
13064 case BeginningOfGame:
13065 if (appData.icsActive) return;
13066 /* else fall through */
13067 case MachinePlaysWhite:
13068 case MachinePlaysBlack:
13069 case TwoMachinesPlay:
13070 if (forwardMostMove == 0)
13071 return; /* don't pause if no one has moved */
13072 if ((gameMode == MachinePlaysWhite &&
13073 !WhiteOnMove(forwardMostMove)) ||
13074 (gameMode == MachinePlaysBlack &&
13075 WhiteOnMove(forwardMostMove))) {
13088 char title[MSG_SIZ];
13090 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13091 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13093 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13094 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13095 parseList[currentMove - 1]);
13098 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13105 char *tags = PGNTags(&gameInfo);
13107 EditTagsPopUp(tags, NULL);
13114 if (appData.noChessProgram || gameMode == AnalyzeMode)
13117 if (gameMode != AnalyzeFile) {
13118 if (!appData.icsEngineAnalyze) {
13120 if (gameMode != EditGame) return;
13122 ResurrectChessProgram();
13123 SendToProgram("analyze\n", &first);
13124 first.analyzing = TRUE;
13125 /*first.maybeThinking = TRUE;*/
13126 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13127 EngineOutputPopUp();
13129 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13134 StartAnalysisClock();
13135 GetTimeMark(&lastNodeCountTime);
13142 if (appData.noChessProgram || gameMode == AnalyzeFile)
13145 if (gameMode != AnalyzeMode) {
13147 if (gameMode != EditGame) return;
13148 ResurrectChessProgram();
13149 SendToProgram("analyze\n", &first);
13150 first.analyzing = TRUE;
13151 /*first.maybeThinking = TRUE;*/
13152 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13153 EngineOutputPopUp();
13155 gameMode = AnalyzeFile;
13160 StartAnalysisClock();
13161 GetTimeMark(&lastNodeCountTime);
13163 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13167 MachineWhiteEvent()
13170 char *bookHit = NULL;
13172 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13176 if (gameMode == PlayFromGameFile ||
13177 gameMode == TwoMachinesPlay ||
13178 gameMode == Training ||
13179 gameMode == AnalyzeMode ||
13180 gameMode == EndOfGame)
13183 if (gameMode == EditPosition)
13184 EditPositionDone(TRUE);
13186 if (!WhiteOnMove(currentMove)) {
13187 DisplayError(_("It is not White's turn"), 0);
13191 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13194 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13195 gameMode == AnalyzeFile)
13198 ResurrectChessProgram(); /* in case it isn't running */
13199 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13200 gameMode = MachinePlaysWhite;
13203 gameMode = MachinePlaysWhite;
13207 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
13209 if (first.sendName) {
13210 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13211 SendToProgram(buf, &first);
13213 if (first.sendTime) {
13214 if (first.useColors) {
13215 SendToProgram("black\n", &first); /*gnu kludge*/
13217 SendTimeRemaining(&first, TRUE);
13219 if (first.useColors) {
13220 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13222 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13223 SetMachineThinkingEnables();
13224 first.maybeThinking = TRUE;
13228 if (appData.autoFlipView && !flipView) {
13229 flipView = !flipView;
13230 DrawPosition(FALSE, NULL);
13231 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13234 if(bookHit) { // [HGM] book: simulate book reply
13235 static char bookMove[MSG_SIZ]; // a bit generous?
13237 programStats.nodes = programStats.depth = programStats.time =
13238 programStats.score = programStats.got_only_move = 0;
13239 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13241 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13242 strcat(bookMove, bookHit);
13243 HandleMachineMove(bookMove, &first);
13248 MachineBlackEvent()
13251 char *bookHit = NULL;
13253 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13257 if (gameMode == PlayFromGameFile ||
13258 gameMode == TwoMachinesPlay ||
13259 gameMode == Training ||
13260 gameMode == AnalyzeMode ||
13261 gameMode == EndOfGame)
13264 if (gameMode == EditPosition)
13265 EditPositionDone(TRUE);
13267 if (WhiteOnMove(currentMove)) {
13268 DisplayError(_("It is not Black's turn"), 0);
13272 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13275 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13276 gameMode == AnalyzeFile)
13279 ResurrectChessProgram(); /* in case it isn't running */
13280 gameMode = MachinePlaysBlack;
13284 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
13286 if (first.sendName) {
13287 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13288 SendToProgram(buf, &first);
13290 if (first.sendTime) {
13291 if (first.useColors) {
13292 SendToProgram("white\n", &first); /*gnu kludge*/
13294 SendTimeRemaining(&first, FALSE);
13296 if (first.useColors) {
13297 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13299 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13300 SetMachineThinkingEnables();
13301 first.maybeThinking = TRUE;
13304 if (appData.autoFlipView && flipView) {
13305 flipView = !flipView;
13306 DrawPosition(FALSE, NULL);
13307 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13309 if(bookHit) { // [HGM] book: simulate book reply
13310 static char bookMove[MSG_SIZ]; // a bit generous?
13312 programStats.nodes = programStats.depth = programStats.time =
13313 programStats.score = programStats.got_only_move = 0;
13314 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13316 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13317 strcat(bookMove, bookHit);
13318 HandleMachineMove(bookMove, &first);
13324 DisplayTwoMachinesTitle()
13327 if (appData.matchGames > 0) {
13328 if(appData.tourneyFile[0]) {
13329 snprintf(buf, MSG_SIZ, _("%s vs. %s (%d/%d%s)"),
13330 gameInfo.white, gameInfo.black,
13331 nextGame+1, appData.matchGames+1,
13332 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13334 if (first.twoMachinesColor[0] == 'w') {
13335 snprintf(buf, MSG_SIZ, _("%s vs. %s (%d-%d-%d)"),
13336 gameInfo.white, gameInfo.black,
13337 first.matchWins, second.matchWins,
13338 matchGame - 1 - (first.matchWins + second.matchWins));
13340 snprintf(buf, MSG_SIZ, _("%s vs. %s (%d-%d-%d)"),
13341 gameInfo.white, gameInfo.black,
13342 second.matchWins, first.matchWins,
13343 matchGame - 1 - (first.matchWins + second.matchWins));
13346 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
13352 SettingsMenuIfReady()
13354 if (second.lastPing != second.lastPong) {
13355 DisplayMessage("", _("Waiting for second chess program"));
13356 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13360 DisplayMessage("", "");
13361 SettingsPopUp(&second);
13365 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
13368 if (cps->pr == NoProc) {
13369 StartChessProgram(cps);
13370 if (cps->protocolVersion == 1) {
13373 /* kludge: allow timeout for initial "feature" command */
13375 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13376 DisplayMessage("", buf);
13377 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13385 TwoMachinesEvent P((void))
13389 ChessProgramState *onmove;
13390 char *bookHit = NULL;
13391 static int stalling = 0;
13395 if (appData.noChessProgram) return;
13397 switch (gameMode) {
13398 case TwoMachinesPlay:
13400 case MachinePlaysWhite:
13401 case MachinePlaysBlack:
13402 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13403 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13407 case BeginningOfGame:
13408 case PlayFromGameFile:
13411 if (gameMode != EditGame) return;
13414 EditPositionDone(TRUE);
13425 // forwardMostMove = currentMove;
13426 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13428 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13430 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13431 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13432 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13436 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13437 SendToProgram("force\n", &second);
13439 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13442 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13443 if(appData.matchPause>10000 || appData.matchPause<10)
13444 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13445 wait = SubtractTimeMarks(&now, &pauseStart);
13446 if(wait < appData.matchPause) {
13447 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13451 DisplayMessage("", "");
13452 if (startedFromSetupPosition) {
13453 SendBoard(&second, backwardMostMove);
13454 if (appData.debugMode) {
13455 fprintf(debugFP, "Two Machines\n");
13458 for (i = backwardMostMove; i < forwardMostMove; i++) {
13459 SendMoveToProgram(i, &second);
13462 gameMode = TwoMachinesPlay;
13464 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13466 DisplayTwoMachinesTitle();
13468 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13473 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13474 SendToProgram(first.computerString, &first);
13475 if (first.sendName) {
13476 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13477 SendToProgram(buf, &first);
13479 SendToProgram(second.computerString, &second);
13480 if (second.sendName) {
13481 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13482 SendToProgram(buf, &second);
13486 if (!first.sendTime || !second.sendTime) {
13487 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13488 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13490 if (onmove->sendTime) {
13491 if (onmove->useColors) {
13492 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13494 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13496 if (onmove->useColors) {
13497 SendToProgram(onmove->twoMachinesColor, onmove);
13499 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13500 // SendToProgram("go\n", onmove);
13501 onmove->maybeThinking = TRUE;
13502 SetMachineThinkingEnables();
13506 if(bookHit) { // [HGM] book: simulate book reply
13507 static char bookMove[MSG_SIZ]; // a bit generous?
13509 programStats.nodes = programStats.depth = programStats.time =
13510 programStats.score = programStats.got_only_move = 0;
13511 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13513 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13514 strcat(bookMove, bookHit);
13515 savedMessage = bookMove; // args for deferred call
13516 savedState = onmove;
13517 ScheduleDelayedEvent(DeferredBookMove, 1);
13524 if (gameMode == Training) {
13525 SetTrainingModeOff();
13526 gameMode = PlayFromGameFile;
13527 DisplayMessage("", _("Training mode off"));
13529 gameMode = Training;
13530 animateTraining = appData.animate;
13532 /* make sure we are not already at the end of the game */
13533 if (currentMove < forwardMostMove) {
13534 SetTrainingModeOn();
13535 DisplayMessage("", _("Training mode on"));
13537 gameMode = PlayFromGameFile;
13538 DisplayError(_("Already at end of game"), 0);
13547 if (!appData.icsActive) return;
13548 switch (gameMode) {
13549 case IcsPlayingWhite:
13550 case IcsPlayingBlack:
13553 case BeginningOfGame:
13561 EditPositionDone(TRUE);
13574 gameMode = IcsIdle;
13585 switch (gameMode) {
13587 SetTrainingModeOff();
13589 case MachinePlaysWhite:
13590 case MachinePlaysBlack:
13591 case BeginningOfGame:
13592 SendToProgram("force\n", &first);
13593 SetUserThinkingEnables();
13595 case PlayFromGameFile:
13596 (void) StopLoadGameTimer();
13597 if (gameFileFP != NULL) {
13602 EditPositionDone(TRUE);
13607 SendToProgram("force\n", &first);
13609 case TwoMachinesPlay:
13610 GameEnds(EndOfFile, NULL, GE_PLAYER);
13611 ResurrectChessProgram();
13612 SetUserThinkingEnables();
13615 ResurrectChessProgram();
13617 case IcsPlayingBlack:
13618 case IcsPlayingWhite:
13619 DisplayError(_("Warning: You are still playing a game"), 0);
13622 DisplayError(_("Warning: You are still observing a game"), 0);
13625 DisplayError(_("Warning: You are still examining a game"), 0);
13636 first.offeredDraw = second.offeredDraw = 0;
13638 if (gameMode == PlayFromGameFile) {
13639 whiteTimeRemaining = timeRemaining[0][currentMove];
13640 blackTimeRemaining = timeRemaining[1][currentMove];
13644 if (gameMode == MachinePlaysWhite ||
13645 gameMode == MachinePlaysBlack ||
13646 gameMode == TwoMachinesPlay ||
13647 gameMode == EndOfGame) {
13648 i = forwardMostMove;
13649 while (i > currentMove) {
13650 SendToProgram("undo\n", &first);
13653 if(!adjustedClock) {
13654 whiteTimeRemaining = timeRemaining[0][currentMove];
13655 blackTimeRemaining = timeRemaining[1][currentMove];
13656 DisplayBothClocks();
13658 if (whiteFlag || blackFlag) {
13659 whiteFlag = blackFlag = 0;
13664 gameMode = EditGame;
13671 EditPositionEvent()
13673 if (gameMode == EditPosition) {
13679 if (gameMode != EditGame) return;
13681 gameMode = EditPosition;
13684 if (currentMove > 0)
13685 CopyBoard(boards[0], boards[currentMove]);
13687 blackPlaysFirst = !WhiteOnMove(currentMove);
13689 currentMove = forwardMostMove = backwardMostMove = 0;
13690 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13697 /* [DM] icsEngineAnalyze - possible call from other functions */
13698 if (appData.icsEngineAnalyze) {
13699 appData.icsEngineAnalyze = FALSE;
13701 DisplayMessage("",_("Close ICS engine analyze..."));
13703 if (first.analysisSupport && first.analyzing) {
13704 SendToProgram("exit\n", &first);
13705 first.analyzing = FALSE;
13707 thinkOutput[0] = NULLCHAR;
13711 EditPositionDone(Boolean fakeRights)
13713 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13715 startedFromSetupPosition = TRUE;
13716 InitChessProgram(&first, FALSE);
13717 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13718 boards[0][EP_STATUS] = EP_NONE;
13719 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13720 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13721 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13722 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13723 } else boards[0][CASTLING][2] = NoRights;
13724 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13725 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13726 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13727 } else boards[0][CASTLING][5] = NoRights;
13729 SendToProgram("force\n", &first);
13730 if (blackPlaysFirst) {
13731 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13732 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13733 currentMove = forwardMostMove = backwardMostMove = 1;
13734 CopyBoard(boards[1], boards[0]);
13736 currentMove = forwardMostMove = backwardMostMove = 0;
13738 SendBoard(&first, forwardMostMove);
13739 if (appData.debugMode) {
13740 fprintf(debugFP, "EditPosDone\n");
13743 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13744 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13745 gameMode = EditGame;
13747 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13748 ClearHighlights(); /* [AS] */
13751 /* Pause for `ms' milliseconds */
13752 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13762 } while (SubtractTimeMarks(&m2, &m1) < ms);
13765 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13767 SendMultiLineToICS(buf)
13770 char temp[MSG_SIZ+1], *p;
13777 strncpy(temp, buf, len);
13782 if (*p == '\n' || *p == '\r')
13787 strcat(temp, "\n");
13789 SendToPlayer(temp, strlen(temp));
13793 SetWhiteToPlayEvent()
13795 if (gameMode == EditPosition) {
13796 blackPlaysFirst = FALSE;
13797 DisplayBothClocks(); /* works because currentMove is 0 */
13798 } else if (gameMode == IcsExamining) {
13799 SendToICS(ics_prefix);
13800 SendToICS("tomove white\n");
13805 SetBlackToPlayEvent()
13807 if (gameMode == EditPosition) {
13808 blackPlaysFirst = TRUE;
13809 currentMove = 1; /* kludge */
13810 DisplayBothClocks();
13812 } else if (gameMode == IcsExamining) {
13813 SendToICS(ics_prefix);
13814 SendToICS("tomove black\n");
13819 EditPositionMenuEvent(selection, x, y)
13820 ChessSquare selection;
13824 ChessSquare piece = boards[0][y][x];
13826 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13828 switch (selection) {
13830 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13831 SendToICS(ics_prefix);
13832 SendToICS("bsetup clear\n");
13833 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13834 SendToICS(ics_prefix);
13835 SendToICS("clearboard\n");
13837 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13838 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13839 for (y = 0; y < BOARD_HEIGHT; y++) {
13840 if (gameMode == IcsExamining) {
13841 if (boards[currentMove][y][x] != EmptySquare) {
13842 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13847 boards[0][y][x] = p;
13852 if (gameMode == EditPosition) {
13853 DrawPosition(FALSE, boards[0]);
13858 SetWhiteToPlayEvent();
13862 SetBlackToPlayEvent();
13866 if (gameMode == IcsExamining) {
13867 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13868 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13871 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13872 if(x == BOARD_LEFT-2) {
13873 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13874 boards[0][y][1] = 0;
13876 if(x == BOARD_RGHT+1) {
13877 if(y >= gameInfo.holdingsSize) break;
13878 boards[0][y][BOARD_WIDTH-2] = 0;
13881 boards[0][y][x] = EmptySquare;
13882 DrawPosition(FALSE, boards[0]);
13887 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13888 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13889 selection = (ChessSquare) (PROMOTED piece);
13890 } else if(piece == EmptySquare) selection = WhiteSilver;
13891 else selection = (ChessSquare)((int)piece - 1);
13895 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13896 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13897 selection = (ChessSquare) (DEMOTED piece);
13898 } else if(piece == EmptySquare) selection = BlackSilver;
13899 else selection = (ChessSquare)((int)piece + 1);
13904 if(gameInfo.variant == VariantShatranj ||
13905 gameInfo.variant == VariantXiangqi ||
13906 gameInfo.variant == VariantCourier ||
13907 gameInfo.variant == VariantMakruk )
13908 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13913 if(gameInfo.variant == VariantXiangqi)
13914 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13915 if(gameInfo.variant == VariantKnightmate)
13916 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13919 if (gameMode == IcsExamining) {
13920 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13921 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13922 PieceToChar(selection), AAA + x, ONE + y);
13925 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13927 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13928 n = PieceToNumber(selection - BlackPawn);
13929 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13930 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13931 boards[0][BOARD_HEIGHT-1-n][1]++;
13933 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13934 n = PieceToNumber(selection);
13935 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13936 boards[0][n][BOARD_WIDTH-1] = selection;
13937 boards[0][n][BOARD_WIDTH-2]++;
13940 boards[0][y][x] = selection;
13941 DrawPosition(TRUE, boards[0]);
13949 DropMenuEvent(selection, x, y)
13950 ChessSquare selection;
13953 ChessMove moveType;
13955 switch (gameMode) {
13956 case IcsPlayingWhite:
13957 case MachinePlaysBlack:
13958 if (!WhiteOnMove(currentMove)) {
13959 DisplayMoveError(_("It is Black's turn"));
13962 moveType = WhiteDrop;
13964 case IcsPlayingBlack:
13965 case MachinePlaysWhite:
13966 if (WhiteOnMove(currentMove)) {
13967 DisplayMoveError(_("It is White's turn"));
13970 moveType = BlackDrop;
13973 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13979 if (moveType == BlackDrop && selection < BlackPawn) {
13980 selection = (ChessSquare) ((int) selection
13981 + (int) BlackPawn - (int) WhitePawn);
13983 if (boards[currentMove][y][x] != EmptySquare) {
13984 DisplayMoveError(_("That square is occupied"));
13988 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13994 /* Accept a pending offer of any kind from opponent */
13996 if (appData.icsActive) {
13997 SendToICS(ics_prefix);
13998 SendToICS("accept\n");
13999 } else if (cmailMsgLoaded) {
14000 if (currentMove == cmailOldMove &&
14001 commentList[cmailOldMove] != NULL &&
14002 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14003 "Black offers a draw" : "White offers a draw")) {
14005 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14006 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14008 DisplayError(_("There is no pending offer on this move"), 0);
14009 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14012 /* Not used for offers from chess program */
14019 /* Decline a pending offer of any kind from opponent */
14021 if (appData.icsActive) {
14022 SendToICS(ics_prefix);
14023 SendToICS("decline\n");
14024 } else if (cmailMsgLoaded) {
14025 if (currentMove == cmailOldMove &&
14026 commentList[cmailOldMove] != NULL &&
14027 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14028 "Black offers a draw" : "White offers a draw")) {
14030 AppendComment(cmailOldMove, "Draw declined", TRUE);
14031 DisplayComment(cmailOldMove - 1, "Draw declined");
14034 DisplayError(_("There is no pending offer on this move"), 0);
14037 /* Not used for offers from chess program */
14044 /* Issue ICS rematch command */
14045 if (appData.icsActive) {
14046 SendToICS(ics_prefix);
14047 SendToICS("rematch\n");
14054 /* Call your opponent's flag (claim a win on time) */
14055 if (appData.icsActive) {
14056 SendToICS(ics_prefix);
14057 SendToICS("flag\n");
14059 switch (gameMode) {
14062 case MachinePlaysWhite:
14065 GameEnds(GameIsDrawn, "Both players ran out of time",
14068 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14070 DisplayError(_("Your opponent is not out of time"), 0);
14073 case MachinePlaysBlack:
14076 GameEnds(GameIsDrawn, "Both players ran out of time",
14079 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14081 DisplayError(_("Your opponent is not out of time"), 0);
14089 ClockClick(int which)
14090 { // [HGM] code moved to back-end from winboard.c
14091 if(which) { // black clock
14092 if (gameMode == EditPosition || gameMode == IcsExamining) {
14093 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14094 SetBlackToPlayEvent();
14095 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14096 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14097 } else if (shiftKey) {
14098 AdjustClock(which, -1);
14099 } else if (gameMode == IcsPlayingWhite ||
14100 gameMode == MachinePlaysBlack) {
14103 } else { // white clock
14104 if (gameMode == EditPosition || gameMode == IcsExamining) {
14105 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14106 SetWhiteToPlayEvent();
14107 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14108 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14109 } else if (shiftKey) {
14110 AdjustClock(which, -1);
14111 } else if (gameMode == IcsPlayingBlack ||
14112 gameMode == MachinePlaysWhite) {
14121 /* Offer draw or accept pending draw offer from opponent */
14123 if (appData.icsActive) {
14124 /* Note: tournament rules require draw offers to be
14125 made after you make your move but before you punch
14126 your clock. Currently ICS doesn't let you do that;
14127 instead, you immediately punch your clock after making
14128 a move, but you can offer a draw at any time. */
14130 SendToICS(ics_prefix);
14131 SendToICS("draw\n");
14132 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14133 } else if (cmailMsgLoaded) {
14134 if (currentMove == cmailOldMove &&
14135 commentList[cmailOldMove] != NULL &&
14136 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14137 "Black offers a draw" : "White offers a draw")) {
14138 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14139 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14140 } else if (currentMove == cmailOldMove + 1) {
14141 char *offer = WhiteOnMove(cmailOldMove) ?
14142 "White offers a draw" : "Black offers a draw";
14143 AppendComment(currentMove, offer, TRUE);
14144 DisplayComment(currentMove - 1, offer);
14145 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14147 DisplayError(_("You must make your move before offering a draw"), 0);
14148 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14150 } else if (first.offeredDraw) {
14151 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14153 if (first.sendDrawOffers) {
14154 SendToProgram("draw\n", &first);
14155 userOfferedDraw = TRUE;
14163 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14165 if (appData.icsActive) {
14166 SendToICS(ics_prefix);
14167 SendToICS("adjourn\n");
14169 /* Currently GNU Chess doesn't offer or accept Adjourns */
14177 /* Offer Abort or accept pending Abort offer from opponent */
14179 if (appData.icsActive) {
14180 SendToICS(ics_prefix);
14181 SendToICS("abort\n");
14183 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14190 /* Resign. You can do this even if it's not your turn. */
14192 if (appData.icsActive) {
14193 SendToICS(ics_prefix);
14194 SendToICS("resign\n");
14196 switch (gameMode) {
14197 case MachinePlaysWhite:
14198 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14200 case MachinePlaysBlack:
14201 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14204 if (cmailMsgLoaded) {
14206 if (WhiteOnMove(cmailOldMove)) {
14207 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14209 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14211 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14222 StopObservingEvent()
14224 /* Stop observing current games */
14225 SendToICS(ics_prefix);
14226 SendToICS("unobserve\n");
14230 StopExaminingEvent()
14232 /* Stop observing current game */
14233 SendToICS(ics_prefix);
14234 SendToICS("unexamine\n");
14238 ForwardInner(target)
14243 if (appData.debugMode)
14244 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14245 target, currentMove, forwardMostMove);
14247 if (gameMode == EditPosition)
14250 MarkTargetSquares(1);
14252 if (gameMode == PlayFromGameFile && !pausing)
14255 if (gameMode == IcsExamining && pausing)
14256 limit = pauseExamForwardMostMove;
14258 limit = forwardMostMove;
14260 if (target > limit) target = limit;
14262 if (target > 0 && moveList[target - 1][0]) {
14263 int fromX, fromY, toX, toY;
14264 toX = moveList[target - 1][2] - AAA;
14265 toY = moveList[target - 1][3] - ONE;
14266 if (moveList[target - 1][1] == '@') {
14267 if (appData.highlightLastMove) {
14268 SetHighlights(-1, -1, toX, toY);
14271 fromX = moveList[target - 1][0] - AAA;
14272 fromY = moveList[target - 1][1] - ONE;
14273 if (target == currentMove + 1) {
14274 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14276 if (appData.highlightLastMove) {
14277 SetHighlights(fromX, fromY, toX, toY);
14281 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14282 gameMode == Training || gameMode == PlayFromGameFile ||
14283 gameMode == AnalyzeFile) {
14284 while (currentMove < target) {
14285 SendMoveToProgram(currentMove++, &first);
14288 currentMove = target;
14291 if (gameMode == EditGame || gameMode == EndOfGame) {
14292 whiteTimeRemaining = timeRemaining[0][currentMove];
14293 blackTimeRemaining = timeRemaining[1][currentMove];
14295 DisplayBothClocks();
14296 DisplayMove(currentMove - 1);
14297 DrawPosition(FALSE, boards[currentMove]);
14298 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14299 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14300 DisplayComment(currentMove - 1, commentList[currentMove]);
14308 if (gameMode == IcsExamining && !pausing) {
14309 SendToICS(ics_prefix);
14310 SendToICS("forward\n");
14312 ForwardInner(currentMove + 1);
14319 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14320 /* to optimze, we temporarily turn off analysis mode while we feed
14321 * the remaining moves to the engine. Otherwise we get analysis output
14324 if (first.analysisSupport) {
14325 SendToProgram("exit\nforce\n", &first);
14326 first.analyzing = FALSE;
14330 if (gameMode == IcsExamining && !pausing) {
14331 SendToICS(ics_prefix);
14332 SendToICS("forward 999999\n");
14334 ForwardInner(forwardMostMove);
14337 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14338 /* we have fed all the moves, so reactivate analysis mode */
14339 SendToProgram("analyze\n", &first);
14340 first.analyzing = TRUE;
14341 /*first.maybeThinking = TRUE;*/
14342 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14347 BackwardInner(target)
14350 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14352 if (appData.debugMode)
14353 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14354 target, currentMove, forwardMostMove);
14356 if (gameMode == EditPosition) return;
14357 MarkTargetSquares(1);
14358 if (currentMove <= backwardMostMove) {
14360 DrawPosition(full_redraw, boards[currentMove]);
14363 if (gameMode == PlayFromGameFile && !pausing)
14366 if (moveList[target][0]) {
14367 int fromX, fromY, toX, toY;
14368 toX = moveList[target][2] - AAA;
14369 toY = moveList[target][3] - ONE;
14370 if (moveList[target][1] == '@') {
14371 if (appData.highlightLastMove) {
14372 SetHighlights(-1, -1, toX, toY);
14375 fromX = moveList[target][0] - AAA;
14376 fromY = moveList[target][1] - ONE;
14377 if (target == currentMove - 1) {
14378 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14380 if (appData.highlightLastMove) {
14381 SetHighlights(fromX, fromY, toX, toY);
14385 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14386 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14387 while (currentMove > target) {
14388 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14389 // null move cannot be undone. Reload program with move history before it.
14391 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14392 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14394 SendBoard(&first, i);
14395 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14398 SendToProgram("undo\n", &first);
14402 currentMove = target;
14405 if (gameMode == EditGame || gameMode == EndOfGame) {
14406 whiteTimeRemaining = timeRemaining[0][currentMove];
14407 blackTimeRemaining = timeRemaining[1][currentMove];
14409 DisplayBothClocks();
14410 DisplayMove(currentMove - 1);
14411 DrawPosition(full_redraw, boards[currentMove]);
14412 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14413 // [HGM] PV info: routine tests if comment empty
14414 DisplayComment(currentMove - 1, commentList[currentMove]);
14420 if (gameMode == IcsExamining && !pausing) {
14421 SendToICS(ics_prefix);
14422 SendToICS("backward\n");
14424 BackwardInner(currentMove - 1);
14431 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14432 /* to optimize, we temporarily turn off analysis mode while we undo
14433 * all the moves. Otherwise we get analysis output after each undo.
14435 if (first.analysisSupport) {
14436 SendToProgram("exit\nforce\n", &first);
14437 first.analyzing = FALSE;
14441 if (gameMode == IcsExamining && !pausing) {
14442 SendToICS(ics_prefix);
14443 SendToICS("backward 999999\n");
14445 BackwardInner(backwardMostMove);
14448 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14449 /* we have fed all the moves, so reactivate analysis mode */
14450 SendToProgram("analyze\n", &first);
14451 first.analyzing = TRUE;
14452 /*first.maybeThinking = TRUE;*/
14453 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14460 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14461 if (to >= forwardMostMove) to = forwardMostMove;
14462 if (to <= backwardMostMove) to = backwardMostMove;
14463 if (to < currentMove) {
14471 RevertEvent(Boolean annotate)
14473 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14476 if (gameMode != IcsExamining) {
14477 DisplayError(_("You are not examining a game"), 0);
14481 DisplayError(_("You can't revert while pausing"), 0);
14484 SendToICS(ics_prefix);
14485 SendToICS("revert\n");
14491 switch (gameMode) {
14492 case MachinePlaysWhite:
14493 case MachinePlaysBlack:
14494 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14495 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14498 if (forwardMostMove < 2) return;
14499 currentMove = forwardMostMove = forwardMostMove - 2;
14500 whiteTimeRemaining = timeRemaining[0][currentMove];
14501 blackTimeRemaining = timeRemaining[1][currentMove];
14502 DisplayBothClocks();
14503 DisplayMove(currentMove - 1);
14504 ClearHighlights();/*!! could figure this out*/
14505 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14506 SendToProgram("remove\n", &first);
14507 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14510 case BeginningOfGame:
14514 case IcsPlayingWhite:
14515 case IcsPlayingBlack:
14516 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14517 SendToICS(ics_prefix);
14518 SendToICS("takeback 2\n");
14520 SendToICS(ics_prefix);
14521 SendToICS("takeback 1\n");
14530 ChessProgramState *cps;
14532 switch (gameMode) {
14533 case MachinePlaysWhite:
14534 if (!WhiteOnMove(forwardMostMove)) {
14535 DisplayError(_("It is your turn"), 0);
14540 case MachinePlaysBlack:
14541 if (WhiteOnMove(forwardMostMove)) {
14542 DisplayError(_("It is your turn"), 0);
14547 case TwoMachinesPlay:
14548 if (WhiteOnMove(forwardMostMove) ==
14549 (first.twoMachinesColor[0] == 'w')) {
14555 case BeginningOfGame:
14559 SendToProgram("?\n", cps);
14563 TruncateGameEvent()
14566 if (gameMode != EditGame) return;
14573 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14574 if (forwardMostMove > currentMove) {
14575 if (gameInfo.resultDetails != NULL) {
14576 free(gameInfo.resultDetails);
14577 gameInfo.resultDetails = NULL;
14578 gameInfo.result = GameUnfinished;
14580 forwardMostMove = currentMove;
14581 HistorySet(parseList, backwardMostMove, forwardMostMove,
14589 if (appData.noChessProgram) return;
14590 switch (gameMode) {
14591 case MachinePlaysWhite:
14592 if (WhiteOnMove(forwardMostMove)) {
14593 DisplayError(_("Wait until your turn"), 0);
14597 case BeginningOfGame:
14598 case MachinePlaysBlack:
14599 if (!WhiteOnMove(forwardMostMove)) {
14600 DisplayError(_("Wait until your turn"), 0);
14605 DisplayError(_("No hint available"), 0);
14608 SendToProgram("hint\n", &first);
14609 hintRequested = TRUE;
14615 if (appData.noChessProgram) return;
14616 switch (gameMode) {
14617 case MachinePlaysWhite:
14618 if (WhiteOnMove(forwardMostMove)) {
14619 DisplayError(_("Wait until your turn"), 0);
14623 case BeginningOfGame:
14624 case MachinePlaysBlack:
14625 if (!WhiteOnMove(forwardMostMove)) {
14626 DisplayError(_("Wait until your turn"), 0);
14631 EditPositionDone(TRUE);
14633 case TwoMachinesPlay:
14638 SendToProgram("bk\n", &first);
14639 bookOutput[0] = NULLCHAR;
14640 bookRequested = TRUE;
14646 char *tags = PGNTags(&gameInfo);
14647 TagsPopUp(tags, CmailMsg());
14651 /* end button procedures */
14654 PrintPosition(fp, move)
14660 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14661 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14662 char c = PieceToChar(boards[move][i][j]);
14663 fputc(c == 'x' ? '.' : c, fp);
14664 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14667 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14668 fprintf(fp, "white to play\n");
14670 fprintf(fp, "black to play\n");
14677 if (gameInfo.white != NULL) {
14678 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14684 /* Find last component of program's own name, using some heuristics */
14686 TidyProgramName(prog, host, buf)
14687 char *prog, *host, buf[MSG_SIZ];
14690 int local = (strcmp(host, "localhost") == 0);
14691 while (!local && (p = strchr(prog, ';')) != NULL) {
14693 while (*p == ' ') p++;
14696 if (*prog == '"' || *prog == '\'') {
14697 q = strchr(prog + 1, *prog);
14699 q = strchr(prog, ' ');
14701 if (q == NULL) q = prog + strlen(prog);
14703 while (p >= prog && *p != '/' && *p != '\\') p--;
14705 if(p == prog && *p == '"') p++;
14706 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14707 memcpy(buf, p, q - p);
14708 buf[q - p] = NULLCHAR;
14716 TimeControlTagValue()
14719 if (!appData.clockMode) {
14720 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14721 } else if (movesPerSession > 0) {
14722 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14723 } else if (timeIncrement == 0) {
14724 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14726 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14728 return StrSave(buf);
14734 /* This routine is used only for certain modes */
14735 VariantClass v = gameInfo.variant;
14736 ChessMove r = GameUnfinished;
14739 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14740 r = gameInfo.result;
14741 p = gameInfo.resultDetails;
14742 gameInfo.resultDetails = NULL;
14744 ClearGameInfo(&gameInfo);
14745 gameInfo.variant = v;
14747 switch (gameMode) {
14748 case MachinePlaysWhite:
14749 gameInfo.event = StrSave( appData.pgnEventHeader );
14750 gameInfo.site = StrSave(HostName());
14751 gameInfo.date = PGNDate();
14752 gameInfo.round = StrSave("-");
14753 gameInfo.white = StrSave(first.tidy);
14754 gameInfo.black = StrSave(UserName());
14755 gameInfo.timeControl = TimeControlTagValue();
14758 case MachinePlaysBlack:
14759 gameInfo.event = StrSave( appData.pgnEventHeader );
14760 gameInfo.site = StrSave(HostName());
14761 gameInfo.date = PGNDate();
14762 gameInfo.round = StrSave("-");
14763 gameInfo.white = StrSave(UserName());
14764 gameInfo.black = StrSave(first.tidy);
14765 gameInfo.timeControl = TimeControlTagValue();
14768 case TwoMachinesPlay:
14769 gameInfo.event = StrSave( appData.pgnEventHeader );
14770 gameInfo.site = StrSave(HostName());
14771 gameInfo.date = PGNDate();
14774 snprintf(buf, MSG_SIZ, "%d", roundNr);
14775 gameInfo.round = StrSave(buf);
14777 gameInfo.round = StrSave("-");
14779 if (first.twoMachinesColor[0] == 'w') {
14780 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14781 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14783 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14784 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14786 gameInfo.timeControl = TimeControlTagValue();
14790 gameInfo.event = StrSave("Edited game");
14791 gameInfo.site = StrSave(HostName());
14792 gameInfo.date = PGNDate();
14793 gameInfo.round = StrSave("-");
14794 gameInfo.white = StrSave("-");
14795 gameInfo.black = StrSave("-");
14796 gameInfo.result = r;
14797 gameInfo.resultDetails = p;
14801 gameInfo.event = StrSave("Edited position");
14802 gameInfo.site = StrSave(HostName());
14803 gameInfo.date = PGNDate();
14804 gameInfo.round = StrSave("-");
14805 gameInfo.white = StrSave("-");
14806 gameInfo.black = StrSave("-");
14809 case IcsPlayingWhite:
14810 case IcsPlayingBlack:
14815 case PlayFromGameFile:
14816 gameInfo.event = StrSave("Game from non-PGN file");
14817 gameInfo.site = StrSave(HostName());
14818 gameInfo.date = PGNDate();
14819 gameInfo.round = StrSave("-");
14820 gameInfo.white = StrSave("?");
14821 gameInfo.black = StrSave("?");
14830 ReplaceComment(index, text)
14838 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14839 pvInfoList[index-1].depth == len &&
14840 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14841 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14842 while (*text == '\n') text++;
14843 len = strlen(text);
14844 while (len > 0 && text[len - 1] == '\n') len--;
14846 if (commentList[index] != NULL)
14847 free(commentList[index]);
14850 commentList[index] = NULL;
14853 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14854 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14855 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14856 commentList[index] = (char *) malloc(len + 2);
14857 strncpy(commentList[index], text, len);
14858 commentList[index][len] = '\n';
14859 commentList[index][len + 1] = NULLCHAR;
14861 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14863 commentList[index] = (char *) malloc(len + 7);
14864 safeStrCpy(commentList[index], "{\n", 3);
14865 safeStrCpy(commentList[index]+2, text, len+1);
14866 commentList[index][len+2] = NULLCHAR;
14867 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14868 strcat(commentList[index], "\n}\n");
14882 if (ch == '\r') continue;
14884 } while (ch != '\0');
14888 AppendComment(index, text, addBraces)
14891 Boolean addBraces; // [HGM] braces: tells if we should add {}
14896 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14897 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14900 while (*text == '\n') text++;
14901 len = strlen(text);
14902 while (len > 0 && text[len - 1] == '\n') len--;
14904 if (len == 0) return;
14906 if (commentList[index] != NULL) {
14907 Boolean addClosingBrace = addBraces;
14908 old = commentList[index];
14909 oldlen = strlen(old);
14910 while(commentList[index][oldlen-1] == '\n')
14911 commentList[index][--oldlen] = NULLCHAR;
14912 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14913 safeStrCpy(commentList[index], old, oldlen + len + 6);
14915 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14916 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14917 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14918 while (*text == '\n') { text++; len--; }
14919 commentList[index][--oldlen] = NULLCHAR;
14921 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14922 else strcat(commentList[index], "\n");
14923 strcat(commentList[index], text);
14924 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14925 else strcat(commentList[index], "\n");
14927 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14929 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14930 else commentList[index][0] = NULLCHAR;
14931 strcat(commentList[index], text);
14932 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14933 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14937 static char * FindStr( char * text, char * sub_text )
14939 char * result = strstr( text, sub_text );
14941 if( result != NULL ) {
14942 result += strlen( sub_text );
14948 /* [AS] Try to extract PV info from PGN comment */
14949 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14950 char *GetInfoFromComment( int index, char * text )
14952 char * sep = text, *p;
14954 if( text != NULL && index > 0 ) {
14957 int time = -1, sec = 0, deci;
14958 char * s_eval = FindStr( text, "[%eval " );
14959 char * s_emt = FindStr( text, "[%emt " );
14961 if( s_eval != NULL || s_emt != NULL ) {
14965 if( s_eval != NULL ) {
14966 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14970 if( delim != ']' ) {
14975 if( s_emt != NULL ) {
14980 /* We expect something like: [+|-]nnn.nn/dd */
14983 if(*text != '{') return text; // [HGM] braces: must be normal comment
14985 sep = strchr( text, '/' );
14986 if( sep == NULL || sep < (text+4) ) {
14991 if(p[1] == '(') { // comment starts with PV
14992 p = strchr(p, ')'); // locate end of PV
14993 if(p == NULL || sep < p+5) return text;
14994 // at this point we have something like "{(.*) +0.23/6 ..."
14995 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14996 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14997 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14999 time = -1; sec = -1; deci = -1;
15000 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15001 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15002 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15003 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15007 if( score_lo < 0 || score_lo >= 100 ) {
15011 if(sec >= 0) time = 600*time + 10*sec; else
15012 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15014 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15016 /* [HGM] PV time: now locate end of PV info */
15017 while( *++sep >= '0' && *sep <= '9'); // strip depth
15019 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15021 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15023 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15024 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15035 pvInfoList[index-1].depth = depth;
15036 pvInfoList[index-1].score = score;
15037 pvInfoList[index-1].time = 10*time; // centi-sec
15038 if(*sep == '}') *sep = 0; else *--sep = '{';
15039 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15045 SendToProgram(message, cps)
15047 ChessProgramState *cps;
15049 int count, outCount, error;
15052 if (cps->pr == NoProc) return;
15055 if (appData.debugMode) {
15058 fprintf(debugFP, "%ld >%-6s: %s",
15059 SubtractTimeMarks(&now, &programStartTime),
15060 cps->which, message);
15063 count = strlen(message);
15064 outCount = OutputToProcess(cps->pr, message, count, &error);
15065 if (outCount < count && !exiting
15066 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15067 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15068 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15069 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15070 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15071 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15072 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15073 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15075 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15076 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15077 gameInfo.result = res;
15079 gameInfo.resultDetails = StrSave(buf);
15081 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15082 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15087 ReceiveFromProgram(isr, closure, message, count, error)
15088 InputSourceRef isr;
15096 ChessProgramState *cps = (ChessProgramState *)closure;
15098 if (isr != cps->isr) return; /* Killed intentionally */
15101 RemoveInputSource(cps->isr);
15102 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15103 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15104 _(cps->which), cps->program);
15105 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15106 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15107 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15108 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15109 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15111 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15112 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15113 gameInfo.result = res;
15115 gameInfo.resultDetails = StrSave(buf);
15117 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15118 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15120 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15121 _(cps->which), cps->program);
15122 RemoveInputSource(cps->isr);
15124 /* [AS] Program is misbehaving badly... kill it */
15125 if( count == -2 ) {
15126 DestroyChildProcess( cps->pr, 9 );
15130 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15135 if ((end_str = strchr(message, '\r')) != NULL)
15136 *end_str = NULLCHAR;
15137 if ((end_str = strchr(message, '\n')) != NULL)
15138 *end_str = NULLCHAR;
15140 if (appData.debugMode) {
15141 TimeMark now; int print = 1;
15142 char *quote = ""; char c; int i;
15144 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15145 char start = message[0];
15146 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15147 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15148 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15149 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15150 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15151 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15152 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15153 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15154 sscanf(message, "hint: %c", &c)!=1 &&
15155 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15156 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15157 print = (appData.engineComments >= 2);
15159 message[0] = start; // restore original message
15163 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15164 SubtractTimeMarks(&now, &programStartTime), cps->which,
15170 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15171 if (appData.icsEngineAnalyze) {
15172 if (strstr(message, "whisper") != NULL ||
15173 strstr(message, "kibitz") != NULL ||
15174 strstr(message, "tellics") != NULL) return;
15177 HandleMachineMove(message, cps);
15182 SendTimeControl(cps, mps, tc, inc, sd, st)
15183 ChessProgramState *cps;
15184 int mps, inc, sd, st;
15190 if( timeControl_2 > 0 ) {
15191 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15192 tc = timeControl_2;
15195 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15196 inc /= cps->timeOdds;
15197 st /= cps->timeOdds;
15199 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15202 /* Set exact time per move, normally using st command */
15203 if (cps->stKludge) {
15204 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15206 if (seconds == 0) {
15207 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15209 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15212 snprintf(buf, MSG_SIZ, "st %d\n", st);
15215 /* Set conventional or incremental time control, using level command */
15216 if (seconds == 0) {
15217 /* Note old gnuchess bug -- minutes:seconds used to not work.
15218 Fixed in later versions, but still avoid :seconds
15219 when seconds is 0. */
15220 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15222 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15223 seconds, inc/1000.);
15226 SendToProgram(buf, cps);
15228 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15229 /* Orthogonally, limit search to given depth */
15231 if (cps->sdKludge) {
15232 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15234 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15236 SendToProgram(buf, cps);
15239 if(cps->nps >= 0) { /* [HGM] nps */
15240 if(cps->supportsNPS == FALSE)
15241 cps->nps = -1; // don't use if engine explicitly says not supported!
15243 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15244 SendToProgram(buf, cps);
15249 ChessProgramState *WhitePlayer()
15250 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15252 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15253 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15259 SendTimeRemaining(cps, machineWhite)
15260 ChessProgramState *cps;
15261 int /*boolean*/ machineWhite;
15263 char message[MSG_SIZ];
15266 /* Note: this routine must be called when the clocks are stopped
15267 or when they have *just* been set or switched; otherwise
15268 it will be off by the time since the current tick started.
15270 if (machineWhite) {
15271 time = whiteTimeRemaining / 10;
15272 otime = blackTimeRemaining / 10;
15274 time = blackTimeRemaining / 10;
15275 otime = whiteTimeRemaining / 10;
15277 /* [HGM] translate opponent's time by time-odds factor */
15278 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15279 if (appData.debugMode) {
15280 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
15283 if (time <= 0) time = 1;
15284 if (otime <= 0) otime = 1;
15286 snprintf(message, MSG_SIZ, "time %ld\n", time);
15287 SendToProgram(message, cps);
15289 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15290 SendToProgram(message, cps);
15294 BoolFeature(p, name, loc, cps)
15298 ChessProgramState *cps;
15301 int len = strlen(name);
15304 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15306 sscanf(*p, "%d", &val);
15308 while (**p && **p != ' ')
15310 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15311 SendToProgram(buf, cps);
15318 IntFeature(p, name, loc, cps)
15322 ChessProgramState *cps;
15325 int len = strlen(name);
15326 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15328 sscanf(*p, "%d", loc);
15329 while (**p && **p != ' ') (*p)++;
15330 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15331 SendToProgram(buf, cps);
15338 StringFeature(p, name, loc, cps)
15342 ChessProgramState *cps;
15345 int len = strlen(name);
15346 if (strncmp((*p), name, len) == 0
15347 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15349 sscanf(*p, "%[^\"]", loc);
15350 while (**p && **p != '\"') (*p)++;
15351 if (**p == '\"') (*p)++;
15352 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15353 SendToProgram(buf, cps);
15360 ParseOption(Option *opt, ChessProgramState *cps)
15361 // [HGM] options: process the string that defines an engine option, and determine
15362 // name, type, default value, and allowed value range
15364 char *p, *q, buf[MSG_SIZ];
15365 int n, min = (-1)<<31, max = 1<<31, def;
15367 if(p = strstr(opt->name, " -spin ")) {
15368 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15369 if(max < min) max = min; // enforce consistency
15370 if(def < min) def = min;
15371 if(def > max) def = max;
15376 } else if((p = strstr(opt->name, " -slider "))) {
15377 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15378 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15379 if(max < min) max = min; // enforce consistency
15380 if(def < min) def = min;
15381 if(def > max) def = max;
15385 opt->type = Spin; // Slider;
15386 } else if((p = strstr(opt->name, " -string "))) {
15387 opt->textValue = p+9;
15388 opt->type = TextBox;
15389 } else if((p = strstr(opt->name, " -file "))) {
15390 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15391 opt->textValue = p+7;
15392 opt->type = FileName; // FileName;
15393 } else if((p = strstr(opt->name, " -path "))) {
15394 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15395 opt->textValue = p+7;
15396 opt->type = PathName; // PathName;
15397 } else if(p = strstr(opt->name, " -check ")) {
15398 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15399 opt->value = (def != 0);
15400 opt->type = CheckBox;
15401 } else if(p = strstr(opt->name, " -combo ")) {
15402 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15403 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15404 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15405 opt->value = n = 0;
15406 while(q = StrStr(q, " /// ")) {
15407 n++; *q = 0; // count choices, and null-terminate each of them
15409 if(*q == '*') { // remember default, which is marked with * prefix
15413 cps->comboList[cps->comboCnt++] = q;
15415 cps->comboList[cps->comboCnt++] = NULL;
15417 opt->type = ComboBox;
15418 } else if(p = strstr(opt->name, " -button")) {
15419 opt->type = Button;
15420 } else if(p = strstr(opt->name, " -save")) {
15421 opt->type = SaveButton;
15422 } else return FALSE;
15423 *p = 0; // terminate option name
15424 // now look if the command-line options define a setting for this engine option.
15425 if(cps->optionSettings && cps->optionSettings[0])
15426 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15427 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15428 snprintf(buf, MSG_SIZ, "option %s", p);
15429 if(p = strstr(buf, ",")) *p = 0;
15430 if(q = strchr(buf, '=')) switch(opt->type) {
15432 for(n=0; n<opt->max; n++)
15433 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15436 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15440 opt->value = atoi(q+1);
15445 SendToProgram(buf, cps);
15451 FeatureDone(cps, val)
15452 ChessProgramState* cps;
15455 DelayedEventCallback cb = GetDelayedEvent();
15456 if ((cb == InitBackEnd3 && cps == &first) ||
15457 (cb == SettingsMenuIfReady && cps == &second) ||
15458 (cb == LoadEngine) ||
15459 (cb == TwoMachinesEventIfReady)) {
15460 CancelDelayedEvent();
15461 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15463 cps->initDone = val;
15466 /* Parse feature command from engine */
15468 ParseFeatures(args, cps)
15470 ChessProgramState *cps;
15478 while (*p == ' ') p++;
15479 if (*p == NULLCHAR) return;
15481 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15482 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15483 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15484 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15485 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15486 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15487 if (BoolFeature(&p, "reuse", &val, cps)) {
15488 /* Engine can disable reuse, but can't enable it if user said no */
15489 if (!val) cps->reuse = FALSE;
15492 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15493 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
15494 if (gameMode == TwoMachinesPlay) {
15495 DisplayTwoMachinesTitle();
15501 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
15502 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15503 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15504 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15505 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15506 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15507 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15508 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15509 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15510 if (IntFeature(&p, "done", &val, cps)) {
15511 FeatureDone(cps, val);
15514 /* Added by Tord: */
15515 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15516 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15517 /* End of additions by Tord */
15519 /* [HGM] added features: */
15520 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15521 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15522 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15523 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15524 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15525 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
15526 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
15527 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15528 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15529 SendToProgram(buf, cps);
15532 if(cps->nrOptions >= MAX_OPTIONS) {
15534 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15535 DisplayError(buf, 0);
15539 /* End of additions by HGM */
15541 /* unknown feature: complain and skip */
15543 while (*q && *q != '=') q++;
15544 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15545 SendToProgram(buf, cps);
15551 while (*p && *p != '\"') p++;
15552 if (*p == '\"') p++;
15554 while (*p && *p != ' ') p++;
15562 PeriodicUpdatesEvent(newState)
15565 if (newState == appData.periodicUpdates)
15568 appData.periodicUpdates=newState;
15570 /* Display type changes, so update it now */
15571 // DisplayAnalysis();
15573 /* Get the ball rolling again... */
15575 AnalysisPeriodicEvent(1);
15576 StartAnalysisClock();
15581 PonderNextMoveEvent(newState)
15584 if (newState == appData.ponderNextMove) return;
15585 if (gameMode == EditPosition) EditPositionDone(TRUE);
15587 SendToProgram("hard\n", &first);
15588 if (gameMode == TwoMachinesPlay) {
15589 SendToProgram("hard\n", &second);
15592 SendToProgram("easy\n", &first);
15593 thinkOutput[0] = NULLCHAR;
15594 if (gameMode == TwoMachinesPlay) {
15595 SendToProgram("easy\n", &second);
15598 appData.ponderNextMove = newState;
15602 NewSettingEvent(option, feature, command, value)
15604 int option, value, *feature;
15608 if (gameMode == EditPosition) EditPositionDone(TRUE);
15609 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15610 if(feature == NULL || *feature) SendToProgram(buf, &first);
15611 if (gameMode == TwoMachinesPlay) {
15612 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15617 ShowThinkingEvent()
15618 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15620 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15621 int newState = appData.showThinking
15622 // [HGM] thinking: other features now need thinking output as well
15623 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15625 if (oldState == newState) return;
15626 oldState = newState;
15627 if (gameMode == EditPosition) EditPositionDone(TRUE);
15629 SendToProgram("post\n", &first);
15630 if (gameMode == TwoMachinesPlay) {
15631 SendToProgram("post\n", &second);
15634 SendToProgram("nopost\n", &first);
15635 thinkOutput[0] = NULLCHAR;
15636 if (gameMode == TwoMachinesPlay) {
15637 SendToProgram("nopost\n", &second);
15640 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15644 AskQuestionEvent(title, question, replyPrefix, which)
15645 char *title; char *question; char *replyPrefix; char *which;
15647 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15648 if (pr == NoProc) return;
15649 AskQuestion(title, question, replyPrefix, pr);
15653 TypeInEvent(char firstChar)
15655 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15656 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15657 gameMode == AnalyzeMode || gameMode == EditGame ||
15658 gameMode == EditPosition || gameMode == IcsExamining ||
15659 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15660 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15661 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15662 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15663 gameMode == Training) PopUpMoveDialog(firstChar);
15667 TypeInDoneEvent(char *move)
15670 int n, fromX, fromY, toX, toY;
15672 ChessMove moveType;
15675 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15676 EditPositionPasteFEN(move);
15679 // [HGM] movenum: allow move number to be typed in any mode
15680 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15685 if (gameMode != EditGame && currentMove != forwardMostMove &&
15686 gameMode != Training) {
15687 DisplayMoveError(_("Displayed move is not current"));
15689 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15690 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15691 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15692 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15693 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15694 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15696 DisplayMoveError(_("Could not parse move"));
15702 DisplayMove(moveNumber)
15705 char message[MSG_SIZ];
15707 char cpThinkOutput[MSG_SIZ];
15709 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15711 if (moveNumber == forwardMostMove - 1 ||
15712 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15714 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15716 if (strchr(cpThinkOutput, '\n')) {
15717 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15720 *cpThinkOutput = NULLCHAR;
15723 /* [AS] Hide thinking from human user */
15724 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15725 *cpThinkOutput = NULLCHAR;
15726 if( thinkOutput[0] != NULLCHAR ) {
15729 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15730 cpThinkOutput[i] = '.';
15732 cpThinkOutput[i] = NULLCHAR;
15733 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15737 if (moveNumber == forwardMostMove - 1 &&
15738 gameInfo.resultDetails != NULL) {
15739 if (gameInfo.resultDetails[0] == NULLCHAR) {
15740 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15742 snprintf(res, MSG_SIZ, " {%s} %s",
15743 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15749 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15750 DisplayMessage(res, cpThinkOutput);
15752 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15753 WhiteOnMove(moveNumber) ? " " : ".. ",
15754 parseList[moveNumber], res);
15755 DisplayMessage(message, cpThinkOutput);
15760 DisplayComment(moveNumber, text)
15764 char title[MSG_SIZ];
15766 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15767 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15769 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15770 WhiteOnMove(moveNumber) ? " " : ".. ",
15771 parseList[moveNumber]);
15773 if (text != NULL && (appData.autoDisplayComment || commentUp))
15774 CommentPopUp(title, text);
15777 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15778 * might be busy thinking or pondering. It can be omitted if your
15779 * gnuchess is configured to stop thinking immediately on any user
15780 * input. However, that gnuchess feature depends on the FIONREAD
15781 * ioctl, which does not work properly on some flavors of Unix.
15785 ChessProgramState *cps;
15788 if (!cps->useSigint) return;
15789 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15790 switch (gameMode) {
15791 case MachinePlaysWhite:
15792 case MachinePlaysBlack:
15793 case TwoMachinesPlay:
15794 case IcsPlayingWhite:
15795 case IcsPlayingBlack:
15798 /* Skip if we know it isn't thinking */
15799 if (!cps->maybeThinking) return;
15800 if (appData.debugMode)
15801 fprintf(debugFP, "Interrupting %s\n", cps->which);
15802 InterruptChildProcess(cps->pr);
15803 cps->maybeThinking = FALSE;
15808 #endif /*ATTENTION*/
15814 if (whiteTimeRemaining <= 0) {
15817 if (appData.icsActive) {
15818 if (appData.autoCallFlag &&
15819 gameMode == IcsPlayingBlack && !blackFlag) {
15820 SendToICS(ics_prefix);
15821 SendToICS("flag\n");
15825 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15827 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15828 if (appData.autoCallFlag) {
15829 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15836 if (blackTimeRemaining <= 0) {
15839 if (appData.icsActive) {
15840 if (appData.autoCallFlag &&
15841 gameMode == IcsPlayingWhite && !whiteFlag) {
15842 SendToICS(ics_prefix);
15843 SendToICS("flag\n");
15847 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15849 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15850 if (appData.autoCallFlag) {
15851 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15864 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15865 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15868 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15870 if ( !WhiteOnMove(forwardMostMove) ) {
15871 /* White made time control */
15872 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15873 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15874 /* [HGM] time odds: correct new time quota for time odds! */
15875 / WhitePlayer()->timeOdds;
15876 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15878 lastBlack -= blackTimeRemaining;
15879 /* Black made time control */
15880 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15881 / WhitePlayer()->other->timeOdds;
15882 lastWhite = whiteTimeRemaining;
15887 DisplayBothClocks()
15889 int wom = gameMode == EditPosition ?
15890 !blackPlaysFirst : WhiteOnMove(currentMove);
15891 DisplayWhiteClock(whiteTimeRemaining, wom);
15892 DisplayBlackClock(blackTimeRemaining, !wom);
15896 /* Timekeeping seems to be a portability nightmare. I think everyone
15897 has ftime(), but I'm really not sure, so I'm including some ifdefs
15898 to use other calls if you don't. Clocks will be less accurate if
15899 you have neither ftime nor gettimeofday.
15902 /* VS 2008 requires the #include outside of the function */
15903 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15904 #include <sys/timeb.h>
15907 /* Get the current time as a TimeMark */
15912 #if HAVE_GETTIMEOFDAY
15914 struct timeval timeVal;
15915 struct timezone timeZone;
15917 gettimeofday(&timeVal, &timeZone);
15918 tm->sec = (long) timeVal.tv_sec;
15919 tm->ms = (int) (timeVal.tv_usec / 1000L);
15921 #else /*!HAVE_GETTIMEOFDAY*/
15924 // include <sys/timeb.h> / moved to just above start of function
15925 struct timeb timeB;
15928 tm->sec = (long) timeB.time;
15929 tm->ms = (int) timeB.millitm;
15931 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15932 tm->sec = (long) time(NULL);
15938 /* Return the difference in milliseconds between two
15939 time marks. We assume the difference will fit in a long!
15942 SubtractTimeMarks(tm2, tm1)
15943 TimeMark *tm2, *tm1;
15945 return 1000L*(tm2->sec - tm1->sec) +
15946 (long) (tm2->ms - tm1->ms);
15951 * Code to manage the game clocks.
15953 * In tournament play, black starts the clock and then white makes a move.
15954 * We give the human user a slight advantage if he is playing white---the
15955 * clocks don't run until he makes his first move, so it takes zero time.
15956 * Also, we don't account for network lag, so we could get out of sync
15957 * with GNU Chess's clock -- but then, referees are always right.
15960 static TimeMark tickStartTM;
15961 static long intendedTickLength;
15964 NextTickLength(timeRemaining)
15965 long timeRemaining;
15967 long nominalTickLength, nextTickLength;
15969 if (timeRemaining > 0L && timeRemaining <= 10000L)
15970 nominalTickLength = 100L;
15972 nominalTickLength = 1000L;
15973 nextTickLength = timeRemaining % nominalTickLength;
15974 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15976 return nextTickLength;
15979 /* Adjust clock one minute up or down */
15981 AdjustClock(Boolean which, int dir)
15983 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15984 if(which) blackTimeRemaining += 60000*dir;
15985 else whiteTimeRemaining += 60000*dir;
15986 DisplayBothClocks();
15987 adjustedClock = TRUE;
15990 /* Stop clocks and reset to a fresh time control */
15994 (void) StopClockTimer();
15995 if (appData.icsActive) {
15996 whiteTimeRemaining = blackTimeRemaining = 0;
15997 } else if (searchTime) {
15998 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15999 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16000 } else { /* [HGM] correct new time quote for time odds */
16001 whiteTC = blackTC = fullTimeControlString;
16002 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16003 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16005 if (whiteFlag || blackFlag) {
16007 whiteFlag = blackFlag = FALSE;
16009 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16010 DisplayBothClocks();
16011 adjustedClock = FALSE;
16014 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16016 /* Decrement running clock by amount of time that has passed */
16020 long timeRemaining;
16021 long lastTickLength, fudge;
16024 if (!appData.clockMode) return;
16025 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16029 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16031 /* Fudge if we woke up a little too soon */
16032 fudge = intendedTickLength - lastTickLength;
16033 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16035 if (WhiteOnMove(forwardMostMove)) {
16036 if(whiteNPS >= 0) lastTickLength = 0;
16037 timeRemaining = whiteTimeRemaining -= lastTickLength;
16038 if(timeRemaining < 0 && !appData.icsActive) {
16039 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16040 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16041 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16042 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16045 DisplayWhiteClock(whiteTimeRemaining - fudge,
16046 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16048 if(blackNPS >= 0) lastTickLength = 0;
16049 timeRemaining = blackTimeRemaining -= lastTickLength;
16050 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16051 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16053 blackStartMove = forwardMostMove;
16054 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16057 DisplayBlackClock(blackTimeRemaining - fudge,
16058 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16060 if (CheckFlags()) return;
16063 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16064 StartClockTimer(intendedTickLength);
16066 /* if the time remaining has fallen below the alarm threshold, sound the
16067 * alarm. if the alarm has sounded and (due to a takeback or time control
16068 * with increment) the time remaining has increased to a level above the
16069 * threshold, reset the alarm so it can sound again.
16072 if (appData.icsActive && appData.icsAlarm) {
16074 /* make sure we are dealing with the user's clock */
16075 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16076 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16079 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16080 alarmSounded = FALSE;
16081 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16083 alarmSounded = TRUE;
16089 /* A player has just moved, so stop the previously running
16090 clock and (if in clock mode) start the other one.
16091 We redisplay both clocks in case we're in ICS mode, because
16092 ICS gives us an update to both clocks after every move.
16093 Note that this routine is called *after* forwardMostMove
16094 is updated, so the last fractional tick must be subtracted
16095 from the color that is *not* on move now.
16098 SwitchClocks(int newMoveNr)
16100 long lastTickLength;
16102 int flagged = FALSE;
16106 if (StopClockTimer() && appData.clockMode) {
16107 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16108 if (!WhiteOnMove(forwardMostMove)) {
16109 if(blackNPS >= 0) lastTickLength = 0;
16110 blackTimeRemaining -= lastTickLength;
16111 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16112 // if(pvInfoList[forwardMostMove].time == -1)
16113 pvInfoList[forwardMostMove].time = // use GUI time
16114 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16116 if(whiteNPS >= 0) lastTickLength = 0;
16117 whiteTimeRemaining -= lastTickLength;
16118 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16119 // if(pvInfoList[forwardMostMove].time == -1)
16120 pvInfoList[forwardMostMove].time =
16121 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16123 flagged = CheckFlags();
16125 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16126 CheckTimeControl();
16128 if (flagged || !appData.clockMode) return;
16130 switch (gameMode) {
16131 case MachinePlaysBlack:
16132 case MachinePlaysWhite:
16133 case BeginningOfGame:
16134 if (pausing) return;
16138 case PlayFromGameFile:
16146 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16147 if(WhiteOnMove(forwardMostMove))
16148 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16149 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16153 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16154 whiteTimeRemaining : blackTimeRemaining);
16155 StartClockTimer(intendedTickLength);
16159 /* Stop both clocks */
16163 long lastTickLength;
16166 if (!StopClockTimer()) return;
16167 if (!appData.clockMode) return;
16171 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16172 if (WhiteOnMove(forwardMostMove)) {
16173 if(whiteNPS >= 0) lastTickLength = 0;
16174 whiteTimeRemaining -= lastTickLength;
16175 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16177 if(blackNPS >= 0) lastTickLength = 0;
16178 blackTimeRemaining -= lastTickLength;
16179 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16184 /* Start clock of player on move. Time may have been reset, so
16185 if clock is already running, stop and restart it. */
16189 (void) StopClockTimer(); /* in case it was running already */
16190 DisplayBothClocks();
16191 if (CheckFlags()) return;
16193 if (!appData.clockMode) return;
16194 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16196 GetTimeMark(&tickStartTM);
16197 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16198 whiteTimeRemaining : blackTimeRemaining);
16200 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16201 whiteNPS = blackNPS = -1;
16202 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16203 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16204 whiteNPS = first.nps;
16205 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16206 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16207 blackNPS = first.nps;
16208 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16209 whiteNPS = second.nps;
16210 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16211 blackNPS = second.nps;
16212 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16214 StartClockTimer(intendedTickLength);
16221 long second, minute, hour, day;
16223 static char buf[32];
16225 if (ms > 0 && ms <= 9900) {
16226 /* convert milliseconds to tenths, rounding up */
16227 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16229 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16233 /* convert milliseconds to seconds, rounding up */
16234 /* use floating point to avoid strangeness of integer division
16235 with negative dividends on many machines */
16236 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16243 day = second / (60 * 60 * 24);
16244 second = second % (60 * 60 * 24);
16245 hour = second / (60 * 60);
16246 second = second % (60 * 60);
16247 minute = second / 60;
16248 second = second % 60;
16251 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16252 sign, day, hour, minute, second);
16254 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16256 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16263 * This is necessary because some C libraries aren't ANSI C compliant yet.
16266 StrStr(string, match)
16267 char *string, *match;
16271 length = strlen(match);
16273 for (i = strlen(string) - length; i >= 0; i--, string++)
16274 if (!strncmp(match, string, length))
16281 StrCaseStr(string, match)
16282 char *string, *match;
16286 length = strlen(match);
16288 for (i = strlen(string) - length; i >= 0; i--, string++) {
16289 for (j = 0; j < length; j++) {
16290 if (ToLower(match[j]) != ToLower(string[j]))
16293 if (j == length) return string;
16307 c1 = ToLower(*s1++);
16308 c2 = ToLower(*s2++);
16309 if (c1 > c2) return 1;
16310 if (c1 < c2) return -1;
16311 if (c1 == NULLCHAR) return 0;
16320 return isupper(c) ? tolower(c) : c;
16328 return islower(c) ? toupper(c) : c;
16330 #endif /* !_amigados */
16338 if ((ret = (char *) malloc(strlen(s) + 1)))
16340 safeStrCpy(ret, s, strlen(s)+1);
16346 StrSavePtr(s, savePtr)
16347 char *s, **savePtr;
16352 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16353 safeStrCpy(*savePtr, s, strlen(s)+1);
16365 clock = time((time_t *)NULL);
16366 tm = localtime(&clock);
16367 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16368 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16369 return StrSave(buf);
16374 PositionToFEN(move, overrideCastling)
16376 char *overrideCastling;
16378 int i, j, fromX, fromY, toX, toY;
16385 whiteToPlay = (gameMode == EditPosition) ?
16386 !blackPlaysFirst : (move % 2 == 0);
16389 /* Piece placement data */
16390 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16391 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16393 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16394 if (boards[move][i][j] == EmptySquare) {
16396 } else { ChessSquare piece = boards[move][i][j];
16397 if (emptycount > 0) {
16398 if(emptycount<10) /* [HGM] can be >= 10 */
16399 *p++ = '0' + emptycount;
16400 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16403 if(PieceToChar(piece) == '+') {
16404 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16406 piece = (ChessSquare)(DEMOTED piece);
16408 *p++ = PieceToChar(piece);
16410 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16411 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16416 if (emptycount > 0) {
16417 if(emptycount<10) /* [HGM] can be >= 10 */
16418 *p++ = '0' + emptycount;
16419 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16426 /* [HGM] print Crazyhouse or Shogi holdings */
16427 if( gameInfo.holdingsWidth ) {
16428 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16430 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16431 piece = boards[move][i][BOARD_WIDTH-1];
16432 if( piece != EmptySquare )
16433 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16434 *p++ = PieceToChar(piece);
16436 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16437 piece = boards[move][BOARD_HEIGHT-i-1][0];
16438 if( piece != EmptySquare )
16439 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16440 *p++ = PieceToChar(piece);
16443 if( q == p ) *p++ = '-';
16449 *p++ = whiteToPlay ? 'w' : 'b';
16452 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16453 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16455 if(nrCastlingRights) {
16457 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16458 /* [HGM] write directly from rights */
16459 if(boards[move][CASTLING][2] != NoRights &&
16460 boards[move][CASTLING][0] != NoRights )
16461 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16462 if(boards[move][CASTLING][2] != NoRights &&
16463 boards[move][CASTLING][1] != NoRights )
16464 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16465 if(boards[move][CASTLING][5] != NoRights &&
16466 boards[move][CASTLING][3] != NoRights )
16467 *p++ = boards[move][CASTLING][3] + AAA;
16468 if(boards[move][CASTLING][5] != NoRights &&
16469 boards[move][CASTLING][4] != NoRights )
16470 *p++ = boards[move][CASTLING][4] + AAA;
16473 /* [HGM] write true castling rights */
16474 if( nrCastlingRights == 6 ) {
16475 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16476 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16477 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16478 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16479 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16480 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16481 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16482 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16485 if (q == p) *p++ = '-'; /* No castling rights */
16489 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16490 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16491 /* En passant target square */
16492 if (move > backwardMostMove) {
16493 fromX = moveList[move - 1][0] - AAA;
16494 fromY = moveList[move - 1][1] - ONE;
16495 toX = moveList[move - 1][2] - AAA;
16496 toY = moveList[move - 1][3] - ONE;
16497 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16498 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16499 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16501 /* 2-square pawn move just happened */
16503 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16507 } else if(move == backwardMostMove) {
16508 // [HGM] perhaps we should always do it like this, and forget the above?
16509 if((signed char)boards[move][EP_STATUS] >= 0) {
16510 *p++ = boards[move][EP_STATUS] + AAA;
16511 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16522 /* [HGM] find reversible plies */
16523 { int i = 0, j=move;
16525 if (appData.debugMode) { int k;
16526 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16527 for(k=backwardMostMove; k<=forwardMostMove; k++)
16528 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16532 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16533 if( j == backwardMostMove ) i += initialRulePlies;
16534 sprintf(p, "%d ", i);
16535 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16537 /* Fullmove number */
16538 sprintf(p, "%d", (move / 2) + 1);
16540 return StrSave(buf);
16544 ParseFEN(board, blackPlaysFirst, fen)
16546 int *blackPlaysFirst;
16556 /* [HGM] by default clear Crazyhouse holdings, if present */
16557 if(gameInfo.holdingsWidth) {
16558 for(i=0; i<BOARD_HEIGHT; i++) {
16559 board[i][0] = EmptySquare; /* black holdings */
16560 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16561 board[i][1] = (ChessSquare) 0; /* black counts */
16562 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16566 /* Piece placement data */
16567 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16570 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16571 if (*p == '/') p++;
16572 emptycount = gameInfo.boardWidth - j;
16573 while (emptycount--)
16574 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16576 #if(BOARD_FILES >= 10)
16577 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16578 p++; emptycount=10;
16579 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16580 while (emptycount--)
16581 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16583 } else if (isdigit(*p)) {
16584 emptycount = *p++ - '0';
16585 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16586 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16587 while (emptycount--)
16588 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16589 } else if (*p == '+' || isalpha(*p)) {
16590 if (j >= gameInfo.boardWidth) return FALSE;
16592 piece = CharToPiece(*++p);
16593 if(piece == EmptySquare) return FALSE; /* unknown piece */
16594 piece = (ChessSquare) (PROMOTED piece ); p++;
16595 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16596 } else piece = CharToPiece(*p++);
16598 if(piece==EmptySquare) return FALSE; /* unknown piece */
16599 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16600 piece = (ChessSquare) (PROMOTED piece);
16601 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16604 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16610 while (*p == '/' || *p == ' ') p++;
16612 /* [HGM] look for Crazyhouse holdings here */
16613 while(*p==' ') p++;
16614 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16616 if(*p == '-' ) p++; /* empty holdings */ else {
16617 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16618 /* if we would allow FEN reading to set board size, we would */
16619 /* have to add holdings and shift the board read so far here */
16620 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16622 if((int) piece >= (int) BlackPawn ) {
16623 i = (int)piece - (int)BlackPawn;
16624 i = PieceToNumber((ChessSquare)i);
16625 if( i >= gameInfo.holdingsSize ) return FALSE;
16626 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16627 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16629 i = (int)piece - (int)WhitePawn;
16630 i = PieceToNumber((ChessSquare)i);
16631 if( i >= gameInfo.holdingsSize ) return FALSE;
16632 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16633 board[i][BOARD_WIDTH-2]++; /* black holdings */
16640 while(*p == ' ') p++;
16644 if(appData.colorNickNames) {
16645 if( c == appData.colorNickNames[0] ) c = 'w'; else
16646 if( c == appData.colorNickNames[1] ) c = 'b';
16650 *blackPlaysFirst = FALSE;
16653 *blackPlaysFirst = TRUE;
16659 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16660 /* return the extra info in global variiables */
16662 /* set defaults in case FEN is incomplete */
16663 board[EP_STATUS] = EP_UNKNOWN;
16664 for(i=0; i<nrCastlingRights; i++ ) {
16665 board[CASTLING][i] =
16666 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16667 } /* assume possible unless obviously impossible */
16668 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16669 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16670 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16671 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16672 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16673 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16674 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16675 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16678 while(*p==' ') p++;
16679 if(nrCastlingRights) {
16680 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16681 /* castling indicator present, so default becomes no castlings */
16682 for(i=0; i<nrCastlingRights; i++ ) {
16683 board[CASTLING][i] = NoRights;
16686 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16687 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16688 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16689 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16690 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16692 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16693 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16694 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16696 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16697 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16698 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16699 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16700 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16701 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16704 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16705 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16706 board[CASTLING][2] = whiteKingFile;
16709 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16710 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16711 board[CASTLING][2] = whiteKingFile;
16714 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16715 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16716 board[CASTLING][5] = blackKingFile;
16719 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16720 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16721 board[CASTLING][5] = blackKingFile;
16724 default: /* FRC castlings */
16725 if(c >= 'a') { /* black rights */
16726 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16727 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16728 if(i == BOARD_RGHT) break;
16729 board[CASTLING][5] = i;
16731 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16732 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16734 board[CASTLING][3] = c;
16736 board[CASTLING][4] = c;
16737 } else { /* white rights */
16738 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16739 if(board[0][i] == WhiteKing) break;
16740 if(i == BOARD_RGHT) break;
16741 board[CASTLING][2] = i;
16742 c -= AAA - 'a' + 'A';
16743 if(board[0][c] >= WhiteKing) break;
16745 board[CASTLING][0] = c;
16747 board[CASTLING][1] = c;
16751 for(i=0; i<nrCastlingRights; i++)
16752 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16753 if (appData.debugMode) {
16754 fprintf(debugFP, "FEN castling rights:");
16755 for(i=0; i<nrCastlingRights; i++)
16756 fprintf(debugFP, " %d", board[CASTLING][i]);
16757 fprintf(debugFP, "\n");
16760 while(*p==' ') p++;
16763 /* read e.p. field in games that know e.p. capture */
16764 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16765 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16767 p++; board[EP_STATUS] = EP_NONE;
16769 char c = *p++ - AAA;
16771 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16772 if(*p >= '0' && *p <='9') p++;
16773 board[EP_STATUS] = c;
16778 if(sscanf(p, "%d", &i) == 1) {
16779 FENrulePlies = i; /* 50-move ply counter */
16780 /* (The move number is still ignored) */
16787 EditPositionPasteFEN(char *fen)
16790 Board initial_position;
16792 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16793 DisplayError(_("Bad FEN position in clipboard"), 0);
16796 int savedBlackPlaysFirst = blackPlaysFirst;
16797 EditPositionEvent();
16798 blackPlaysFirst = savedBlackPlaysFirst;
16799 CopyBoard(boards[0], initial_position);
16800 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16801 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16802 DisplayBothClocks();
16803 DrawPosition(FALSE, boards[currentMove]);
16808 static char cseq[12] = "\\ ";
16810 Boolean set_cont_sequence(char *new_seq)
16815 // handle bad attempts to set the sequence
16817 return 0; // acceptable error - no debug
16819 len = strlen(new_seq);
16820 ret = (len > 0) && (len < sizeof(cseq));
16822 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16823 else if (appData.debugMode)
16824 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16829 reformat a source message so words don't cross the width boundary. internal
16830 newlines are not removed. returns the wrapped size (no null character unless
16831 included in source message). If dest is NULL, only calculate the size required
16832 for the dest buffer. lp argument indicats line position upon entry, and it's
16833 passed back upon exit.
16835 int wrap(char *dest, char *src, int count, int width, int *lp)
16837 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16839 cseq_len = strlen(cseq);
16840 old_line = line = *lp;
16841 ansi = len = clen = 0;
16843 for (i=0; i < count; i++)
16845 if (src[i] == '\033')
16848 // if we hit the width, back up
16849 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16851 // store i & len in case the word is too long
16852 old_i = i, old_len = len;
16854 // find the end of the last word
16855 while (i && src[i] != ' ' && src[i] != '\n')
16861 // word too long? restore i & len before splitting it
16862 if ((old_i-i+clen) >= width)
16869 if (i && src[i-1] == ' ')
16872 if (src[i] != ' ' && src[i] != '\n')
16879 // now append the newline and continuation sequence
16884 strncpy(dest+len, cseq, cseq_len);
16892 dest[len] = src[i];
16896 if (src[i] == '\n')
16901 if (dest && appData.debugMode)
16903 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16904 count, width, line, len, *lp);
16905 show_bytes(debugFP, src, count);
16906 fprintf(debugFP, "\ndest: ");
16907 show_bytes(debugFP, dest, len);
16908 fprintf(debugFP, "\n");
16910 *lp = dest ? line : old_line;
16915 // [HGM] vari: routines for shelving variations
16916 Boolean modeRestore = FALSE;
16919 PushInner(int firstMove, int lastMove)
16921 int i, j, nrMoves = lastMove - firstMove;
16923 // push current tail of game on stack
16924 savedResult[storedGames] = gameInfo.result;
16925 savedDetails[storedGames] = gameInfo.resultDetails;
16926 gameInfo.resultDetails = NULL;
16927 savedFirst[storedGames] = firstMove;
16928 savedLast [storedGames] = lastMove;
16929 savedFramePtr[storedGames] = framePtr;
16930 framePtr -= nrMoves; // reserve space for the boards
16931 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16932 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16933 for(j=0; j<MOVE_LEN; j++)
16934 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16935 for(j=0; j<2*MOVE_LEN; j++)
16936 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16937 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16938 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16939 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16940 pvInfoList[firstMove+i-1].depth = 0;
16941 commentList[framePtr+i] = commentList[firstMove+i];
16942 commentList[firstMove+i] = NULL;
16946 forwardMostMove = firstMove; // truncate game so we can start variation
16950 PushTail(int firstMove, int lastMove)
16952 if(appData.icsActive) { // only in local mode
16953 forwardMostMove = currentMove; // mimic old ICS behavior
16956 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16958 PushInner(firstMove, lastMove);
16959 if(storedGames == 1) GreyRevert(FALSE);
16960 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16964 PopInner(Boolean annotate)
16967 char buf[8000], moveBuf[20];
16969 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16970 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16971 nrMoves = savedLast[storedGames] - currentMove;
16974 if(!WhiteOnMove(currentMove))
16975 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16976 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16977 for(i=currentMove; i<forwardMostMove; i++) {
16979 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16980 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16981 strcat(buf, moveBuf);
16982 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16983 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16987 for(i=1; i<=nrMoves; i++) { // copy last variation back
16988 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16989 for(j=0; j<MOVE_LEN; j++)
16990 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16991 for(j=0; j<2*MOVE_LEN; j++)
16992 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16993 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16994 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16995 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16996 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16997 commentList[currentMove+i] = commentList[framePtr+i];
16998 commentList[framePtr+i] = NULL;
17000 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17001 framePtr = savedFramePtr[storedGames];
17002 gameInfo.result = savedResult[storedGames];
17003 if(gameInfo.resultDetails != NULL) {
17004 free(gameInfo.resultDetails);
17006 gameInfo.resultDetails = savedDetails[storedGames];
17007 forwardMostMove = currentMove + nrMoves;
17011 PopTail(Boolean annotate)
17013 if(appData.icsActive) return FALSE; // only in local mode
17014 if(!storedGames) return FALSE; // sanity
17015 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17017 PopInner(annotate);
17018 if(currentMove < forwardMostMove) ForwardEvent(); else
17019 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17021 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17027 { // remove all shelved variations
17029 for(i=0; i<storedGames; i++) {
17030 if(savedDetails[i])
17031 free(savedDetails[i]);
17032 savedDetails[i] = NULL;
17034 for(i=framePtr; i<MAX_MOVES; i++) {
17035 if(commentList[i]) free(commentList[i]);
17036 commentList[i] = NULL;
17038 framePtr = MAX_MOVES-1;
17043 LoadVariation(int index, char *text)
17044 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17045 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17046 int level = 0, move;
17048 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17049 // first find outermost bracketing variation
17050 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17051 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17052 if(*p == '{') wait = '}'; else
17053 if(*p == '[') wait = ']'; else
17054 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17055 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17057 if(*p == wait) wait = NULLCHAR; // closing ]} found
17060 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17061 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17062 end[1] = NULLCHAR; // clip off comment beyond variation
17063 ToNrEvent(currentMove-1);
17064 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17065 // kludge: use ParsePV() to append variation to game
17066 move = currentMove;
17067 ParsePV(start, TRUE, TRUE);
17068 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17069 ClearPremoveHighlights();
17071 ToNrEvent(currentMove+1);