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 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3131 // [HGM] chat: intercept tells by users for which we have an open chat window
3133 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3134 looking_at(buf, &i, "* whispers:") ||
3135 looking_at(buf, &i, "* kibitzes:") ||
3136 looking_at(buf, &i, "* shouts:") ||
3137 looking_at(buf, &i, "* c-shouts:") ||
3138 looking_at(buf, &i, "--> * ") ||
3139 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3140 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3141 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3142 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3144 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3145 chattingPartner = -1;
3147 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3148 for(p=0; p<MAX_CHAT; p++) {
3149 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3150 talker[0] = '['; strcat(talker, "] ");
3151 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3152 chattingPartner = p; break;
3155 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3156 for(p=0; p<MAX_CHAT; p++) {
3157 if(!strcmp("kibitzes", chatPartner[p])) {
3158 talker[0] = '['; strcat(talker, "] ");
3159 chattingPartner = p; break;
3162 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3163 for(p=0; p<MAX_CHAT; p++) {
3164 if(!strcmp("whispers", chatPartner[p])) {
3165 talker[0] = '['; strcat(talker, "] ");
3166 chattingPartner = p; break;
3169 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3170 if(buf[i-8] == '-' && buf[i-3] == 't')
3171 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3172 if(!strcmp("c-shouts", chatPartner[p])) {
3173 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3174 chattingPartner = p; break;
3177 if(chattingPartner < 0)
3178 for(p=0; p<MAX_CHAT; p++) {
3179 if(!strcmp("shouts", chatPartner[p])) {
3180 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3181 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3182 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3183 chattingPartner = p; break;
3187 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3188 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3189 talker[0] = 0; Colorize(ColorTell, FALSE);
3190 chattingPartner = p; break;
3192 if(chattingPartner<0) i = oldi; else {
3193 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3194 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3195 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3196 started = STARTED_COMMENT;
3197 parse_pos = 0; parse[0] = NULLCHAR;
3198 savingComment = 3 + chattingPartner; // counts as TRUE
3199 suppressKibitz = TRUE;
3202 } // [HGM] chat: end of patch
3205 if (appData.zippyTalk || appData.zippyPlay) {
3206 /* [DM] Backup address for color zippy lines */
3208 if (loggedOn == TRUE)
3209 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3210 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3212 } // [DM] 'else { ' deleted
3214 /* Regular tells and says */
3215 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3216 looking_at(buf, &i, "* (your partner) tells you: ") ||
3217 looking_at(buf, &i, "* says: ") ||
3218 /* Don't color "message" or "messages" output */
3219 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3220 looking_at(buf, &i, "*. * at *:*: ") ||
3221 looking_at(buf, &i, "--* (*:*): ") ||
3222 /* Message notifications (same color as tells) */
3223 looking_at(buf, &i, "* has left a message ") ||
3224 looking_at(buf, &i, "* just sent you a message:\n") ||
3225 /* Whispers and kibitzes */
3226 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3227 looking_at(buf, &i, "* kibitzes: ") ||
3229 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3231 if (tkind == 1 && strchr(star_match[0], ':')) {
3232 /* Avoid "tells you:" spoofs in channels */
3235 if (star_match[0][0] == NULLCHAR ||
3236 strchr(star_match[0], ' ') ||
3237 (tkind == 3 && strchr(star_match[1], ' '))) {
3238 /* Reject bogus matches */
3241 if (appData.colorize) {
3242 if (oldi > next_out) {
3243 SendToPlayer(&buf[next_out], oldi - next_out);
3248 Colorize(ColorTell, FALSE);
3249 curColor = ColorTell;
3252 Colorize(ColorKibitz, FALSE);
3253 curColor = ColorKibitz;
3256 p = strrchr(star_match[1], '(');
3263 Colorize(ColorChannel1, FALSE);
3264 curColor = ColorChannel1;
3266 Colorize(ColorChannel, FALSE);
3267 curColor = ColorChannel;
3271 curColor = ColorNormal;
3275 if (started == STARTED_NONE && appData.autoComment &&
3276 (gameMode == IcsObserving ||
3277 gameMode == IcsPlayingWhite ||
3278 gameMode == IcsPlayingBlack)) {
3279 parse_pos = i - oldi;
3280 memcpy(parse, &buf[oldi], parse_pos);
3281 parse[parse_pos] = NULLCHAR;
3282 started = STARTED_COMMENT;
3283 savingComment = TRUE;
3285 started = STARTED_CHATTER;
3286 savingComment = FALSE;
3293 if (looking_at(buf, &i, "* s-shouts: ") ||
3294 looking_at(buf, &i, "* c-shouts: ")) {
3295 if (appData.colorize) {
3296 if (oldi > next_out) {
3297 SendToPlayer(&buf[next_out], oldi - next_out);
3300 Colorize(ColorSShout, FALSE);
3301 curColor = ColorSShout;
3304 started = STARTED_CHATTER;
3308 if (looking_at(buf, &i, "--->")) {
3313 if (looking_at(buf, &i, "* shouts: ") ||
3314 looking_at(buf, &i, "--> ")) {
3315 if (appData.colorize) {
3316 if (oldi > next_out) {
3317 SendToPlayer(&buf[next_out], oldi - next_out);
3320 Colorize(ColorShout, FALSE);
3321 curColor = ColorShout;
3324 started = STARTED_CHATTER;
3328 if (looking_at( buf, &i, "Challenge:")) {
3329 if (appData.colorize) {
3330 if (oldi > next_out) {
3331 SendToPlayer(&buf[next_out], oldi - next_out);
3334 Colorize(ColorChallenge, FALSE);
3335 curColor = ColorChallenge;
3341 if (looking_at(buf, &i, "* offers you") ||
3342 looking_at(buf, &i, "* offers to be") ||
3343 looking_at(buf, &i, "* would like to") ||
3344 looking_at(buf, &i, "* requests to") ||
3345 looking_at(buf, &i, "Your opponent offers") ||
3346 looking_at(buf, &i, "Your opponent requests")) {
3348 if (appData.colorize) {
3349 if (oldi > next_out) {
3350 SendToPlayer(&buf[next_out], oldi - next_out);
3353 Colorize(ColorRequest, FALSE);
3354 curColor = ColorRequest;
3359 if (looking_at(buf, &i, "* (*) seeking")) {
3360 if (appData.colorize) {
3361 if (oldi > next_out) {
3362 SendToPlayer(&buf[next_out], oldi - next_out);
3365 Colorize(ColorSeek, FALSE);
3366 curColor = ColorSeek;
3371 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3373 if (looking_at(buf, &i, "\\ ")) {
3374 if (prevColor != ColorNormal) {
3375 if (oldi > next_out) {
3376 SendToPlayer(&buf[next_out], oldi - next_out);
3379 Colorize(prevColor, TRUE);
3380 curColor = prevColor;
3382 if (savingComment) {
3383 parse_pos = i - oldi;
3384 memcpy(parse, &buf[oldi], parse_pos);
3385 parse[parse_pos] = NULLCHAR;
3386 started = STARTED_COMMENT;
3387 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3388 chattingPartner = savingComment - 3; // kludge to remember the box
3390 started = STARTED_CHATTER;
3395 if (looking_at(buf, &i, "Black Strength :") ||
3396 looking_at(buf, &i, "<<< style 10 board >>>") ||
3397 looking_at(buf, &i, "<10>") ||
3398 looking_at(buf, &i, "#@#")) {
3399 /* Wrong board style */
3401 SendToICS(ics_prefix);
3402 SendToICS("set style 12\n");
3403 SendToICS(ics_prefix);
3404 SendToICS("refresh\n");
3408 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3410 have_sent_ICS_logon = 1;
3414 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3415 (looking_at(buf, &i, "\n<12> ") ||
3416 looking_at(buf, &i, "<12> "))) {
3418 if (oldi > next_out) {
3419 SendToPlayer(&buf[next_out], oldi - next_out);
3422 started = STARTED_BOARD;
3427 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3428 looking_at(buf, &i, "<b1> ")) {
3429 if (oldi > next_out) {
3430 SendToPlayer(&buf[next_out], oldi - next_out);
3433 started = STARTED_HOLDINGS;
3438 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3440 /* Header for a move list -- first line */
3442 switch (ics_getting_history) {
3446 case BeginningOfGame:
3447 /* User typed "moves" or "oldmoves" while we
3448 were idle. Pretend we asked for these
3449 moves and soak them up so user can step
3450 through them and/or save them.
3453 gameMode = IcsObserving;
3456 ics_getting_history = H_GOT_UNREQ_HEADER;
3458 case EditGame: /*?*/
3459 case EditPosition: /*?*/
3460 /* Should above feature work in these modes too? */
3461 /* For now it doesn't */
3462 ics_getting_history = H_GOT_UNWANTED_HEADER;
3465 ics_getting_history = H_GOT_UNWANTED_HEADER;
3470 /* Is this the right one? */
3471 if (gameInfo.white && gameInfo.black &&
3472 strcmp(gameInfo.white, star_match[0]) == 0 &&
3473 strcmp(gameInfo.black, star_match[2]) == 0) {
3475 ics_getting_history = H_GOT_REQ_HEADER;
3478 case H_GOT_REQ_HEADER:
3479 case H_GOT_UNREQ_HEADER:
3480 case H_GOT_UNWANTED_HEADER:
3481 case H_GETTING_MOVES:
3482 /* Should not happen */
3483 DisplayError(_("Error gathering move list: two headers"), 0);
3484 ics_getting_history = H_FALSE;
3488 /* Save player ratings into gameInfo if needed */
3489 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3490 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3491 (gameInfo.whiteRating == -1 ||
3492 gameInfo.blackRating == -1)) {
3494 gameInfo.whiteRating = string_to_rating(star_match[1]);
3495 gameInfo.blackRating = string_to_rating(star_match[3]);
3496 if (appData.debugMode)
3497 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3498 gameInfo.whiteRating, gameInfo.blackRating);
3503 if (looking_at(buf, &i,
3504 "* * match, initial time: * minute*, increment: * second")) {
3505 /* Header for a move list -- second line */
3506 /* Initial board will follow if this is a wild game */
3507 if (gameInfo.event != NULL) free(gameInfo.event);
3508 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3509 gameInfo.event = StrSave(str);
3510 /* [HGM] we switched variant. Translate boards if needed. */
3511 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3515 if (looking_at(buf, &i, "Move ")) {
3516 /* Beginning of a move list */
3517 switch (ics_getting_history) {
3519 /* Normally should not happen */
3520 /* Maybe user hit reset while we were parsing */
3523 /* Happens if we are ignoring a move list that is not
3524 * the one we just requested. Common if the user
3525 * tries to observe two games without turning off
3528 case H_GETTING_MOVES:
3529 /* Should not happen */
3530 DisplayError(_("Error gathering move list: nested"), 0);
3531 ics_getting_history = H_FALSE;
3533 case H_GOT_REQ_HEADER:
3534 ics_getting_history = H_GETTING_MOVES;
3535 started = STARTED_MOVES;
3537 if (oldi > next_out) {
3538 SendToPlayer(&buf[next_out], oldi - next_out);
3541 case H_GOT_UNREQ_HEADER:
3542 ics_getting_history = H_GETTING_MOVES;
3543 started = STARTED_MOVES_NOHIDE;
3546 case H_GOT_UNWANTED_HEADER:
3547 ics_getting_history = H_FALSE;
3553 if (looking_at(buf, &i, "% ") ||
3554 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3555 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3556 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3557 soughtPending = FALSE;
3561 if(suppressKibitz) next_out = i;
3562 savingComment = FALSE;
3566 case STARTED_MOVES_NOHIDE:
3567 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3568 parse[parse_pos + i - oldi] = NULLCHAR;
3569 ParseGameHistory(parse);
3571 if (appData.zippyPlay && first.initDone) {
3572 FeedMovesToProgram(&first, forwardMostMove);
3573 if (gameMode == IcsPlayingWhite) {
3574 if (WhiteOnMove(forwardMostMove)) {
3575 if (first.sendTime) {
3576 if (first.useColors) {
3577 SendToProgram("black\n", &first);
3579 SendTimeRemaining(&first, TRUE);
3581 if (first.useColors) {
3582 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3584 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3585 first.maybeThinking = TRUE;
3587 if (first.usePlayother) {
3588 if (first.sendTime) {
3589 SendTimeRemaining(&first, TRUE);
3591 SendToProgram("playother\n", &first);
3597 } else if (gameMode == IcsPlayingBlack) {
3598 if (!WhiteOnMove(forwardMostMove)) {
3599 if (first.sendTime) {
3600 if (first.useColors) {
3601 SendToProgram("white\n", &first);
3603 SendTimeRemaining(&first, FALSE);
3605 if (first.useColors) {
3606 SendToProgram("black\n", &first);
3608 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3609 first.maybeThinking = TRUE;
3611 if (first.usePlayother) {
3612 if (first.sendTime) {
3613 SendTimeRemaining(&first, FALSE);
3615 SendToProgram("playother\n", &first);
3624 if (gameMode == IcsObserving && ics_gamenum == -1) {
3625 /* Moves came from oldmoves or moves command
3626 while we weren't doing anything else.
3628 currentMove = forwardMostMove;
3629 ClearHighlights();/*!!could figure this out*/
3630 flipView = appData.flipView;
3631 DrawPosition(TRUE, boards[currentMove]);
3632 DisplayBothClocks();
3633 snprintf(str, MSG_SIZ, _("%s vs. %s"),
3634 gameInfo.white, gameInfo.black);
3638 /* Moves were history of an active game */
3639 if (gameInfo.resultDetails != NULL) {
3640 free(gameInfo.resultDetails);
3641 gameInfo.resultDetails = NULL;
3644 HistorySet(parseList, backwardMostMove,
3645 forwardMostMove, currentMove-1);
3646 DisplayMove(currentMove - 1);
3647 if (started == STARTED_MOVES) next_out = i;
3648 started = STARTED_NONE;
3649 ics_getting_history = H_FALSE;
3652 case STARTED_OBSERVE:
3653 started = STARTED_NONE;
3654 SendToICS(ics_prefix);
3655 SendToICS("refresh\n");
3661 if(bookHit) { // [HGM] book: simulate book reply
3662 static char bookMove[MSG_SIZ]; // a bit generous?
3664 programStats.nodes = programStats.depth = programStats.time =
3665 programStats.score = programStats.got_only_move = 0;
3666 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3668 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3669 strcat(bookMove, bookHit);
3670 HandleMachineMove(bookMove, &first);
3675 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3676 started == STARTED_HOLDINGS ||
3677 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3678 /* Accumulate characters in move list or board */
3679 parse[parse_pos++] = buf[i];
3682 /* Start of game messages. Mostly we detect start of game
3683 when the first board image arrives. On some versions
3684 of the ICS, though, we need to do a "refresh" after starting
3685 to observe in order to get the current board right away. */
3686 if (looking_at(buf, &i, "Adding game * to observation list")) {
3687 started = STARTED_OBSERVE;
3691 /* Handle auto-observe */
3692 if (appData.autoObserve &&
3693 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3694 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3696 /* Choose the player that was highlighted, if any. */
3697 if (star_match[0][0] == '\033' ||
3698 star_match[1][0] != '\033') {
3699 player = star_match[0];
3701 player = star_match[2];
3703 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3704 ics_prefix, StripHighlightAndTitle(player));
3707 /* Save ratings from notify string */
3708 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3709 player1Rating = string_to_rating(star_match[1]);
3710 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3711 player2Rating = string_to_rating(star_match[3]);
3713 if (appData.debugMode)
3715 "Ratings from 'Game notification:' %s %d, %s %d\n",
3716 player1Name, player1Rating,
3717 player2Name, player2Rating);
3722 /* Deal with automatic examine mode after a game,
3723 and with IcsObserving -> IcsExamining transition */
3724 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3725 looking_at(buf, &i, "has made you an examiner of game *")) {
3727 int gamenum = atoi(star_match[0]);
3728 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3729 gamenum == ics_gamenum) {
3730 /* We were already playing or observing this game;
3731 no need to refetch history */
3732 gameMode = IcsExamining;
3734 pauseExamForwardMostMove = forwardMostMove;
3735 } else if (currentMove < forwardMostMove) {
3736 ForwardInner(forwardMostMove);
3739 /* I don't think this case really can happen */
3740 SendToICS(ics_prefix);
3741 SendToICS("refresh\n");
3746 /* Error messages */
3747 // if (ics_user_moved) {
3748 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3749 if (looking_at(buf, &i, "Illegal move") ||
3750 looking_at(buf, &i, "Not a legal move") ||
3751 looking_at(buf, &i, "Your king is in check") ||
3752 looking_at(buf, &i, "It isn't your turn") ||
3753 looking_at(buf, &i, "It is not your move")) {
3755 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3756 currentMove = forwardMostMove-1;
3757 DisplayMove(currentMove - 1); /* before DMError */
3758 DrawPosition(FALSE, boards[currentMove]);
3759 SwitchClocks(forwardMostMove-1); // [HGM] race
3760 DisplayBothClocks();
3762 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3768 if (looking_at(buf, &i, "still have time") ||
3769 looking_at(buf, &i, "not out of time") ||
3770 looking_at(buf, &i, "either player is out of time") ||
3771 looking_at(buf, &i, "has timeseal; checking")) {
3772 /* We must have called his flag a little too soon */
3773 whiteFlag = blackFlag = FALSE;
3777 if (looking_at(buf, &i, "added * seconds to") ||
3778 looking_at(buf, &i, "seconds were added to")) {
3779 /* Update the clocks */
3780 SendToICS(ics_prefix);
3781 SendToICS("refresh\n");
3785 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3786 ics_clock_paused = TRUE;
3791 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3792 ics_clock_paused = FALSE;
3797 /* Grab player ratings from the Creating: message.
3798 Note we have to check for the special case when
3799 the ICS inserts things like [white] or [black]. */
3800 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3801 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3803 0 player 1 name (not necessarily white)
3805 2 empty, white, or black (IGNORED)
3806 3 player 2 name (not necessarily black)
3809 The names/ratings are sorted out when the game
3810 actually starts (below).
3812 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3813 player1Rating = string_to_rating(star_match[1]);
3814 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3815 player2Rating = string_to_rating(star_match[4]);
3817 if (appData.debugMode)
3819 "Ratings from 'Creating:' %s %d, %s %d\n",
3820 player1Name, player1Rating,
3821 player2Name, player2Rating);
3826 /* Improved generic start/end-of-game messages */
3827 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3828 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3829 /* If tkind == 0: */
3830 /* star_match[0] is the game number */
3831 /* [1] is the white player's name */
3832 /* [2] is the black player's name */
3833 /* For end-of-game: */
3834 /* [3] is the reason for the game end */
3835 /* [4] is a PGN end game-token, preceded by " " */
3836 /* For start-of-game: */
3837 /* [3] begins with "Creating" or "Continuing" */
3838 /* [4] is " *" or empty (don't care). */
3839 int gamenum = atoi(star_match[0]);
3840 char *whitename, *blackname, *why, *endtoken;
3841 ChessMove endtype = EndOfFile;
3844 whitename = star_match[1];
3845 blackname = star_match[2];
3846 why = star_match[3];
3847 endtoken = star_match[4];
3849 whitename = star_match[1];
3850 blackname = star_match[3];
3851 why = star_match[5];
3852 endtoken = star_match[6];
3855 /* Game start messages */
3856 if (strncmp(why, "Creating ", 9) == 0 ||
3857 strncmp(why, "Continuing ", 11) == 0) {
3858 gs_gamenum = gamenum;
3859 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3860 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3861 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3863 if (appData.zippyPlay) {
3864 ZippyGameStart(whitename, blackname);
3867 partnerBoardValid = FALSE; // [HGM] bughouse
3871 /* Game end messages */
3872 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3873 ics_gamenum != gamenum) {
3876 while (endtoken[0] == ' ') endtoken++;
3877 switch (endtoken[0]) {
3880 endtype = GameUnfinished;
3883 endtype = BlackWins;
3886 if (endtoken[1] == '/')
3887 endtype = GameIsDrawn;
3889 endtype = WhiteWins;
3892 GameEnds(endtype, why, GE_ICS);
3894 if (appData.zippyPlay && first.initDone) {
3895 ZippyGameEnd(endtype, why);
3896 if (first.pr == NoProc) {
3897 /* Start the next process early so that we'll
3898 be ready for the next challenge */
3899 StartChessProgram(&first);
3901 /* Send "new" early, in case this command takes
3902 a long time to finish, so that we'll be ready
3903 for the next challenge. */
3904 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3908 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3912 if (looking_at(buf, &i, "Removing game * from observation") ||
3913 looking_at(buf, &i, "no longer observing game *") ||
3914 looking_at(buf, &i, "Game * (*) has no examiners")) {
3915 if (gameMode == IcsObserving &&
3916 atoi(star_match[0]) == ics_gamenum)
3918 /* icsEngineAnalyze */
3919 if (appData.icsEngineAnalyze) {
3926 ics_user_moved = FALSE;
3931 if (looking_at(buf, &i, "no longer examining game *")) {
3932 if (gameMode == IcsExamining &&
3933 atoi(star_match[0]) == ics_gamenum)
3937 ics_user_moved = FALSE;
3942 /* Advance leftover_start past any newlines we find,
3943 so only partial lines can get reparsed */
3944 if (looking_at(buf, &i, "\n")) {
3945 prevColor = curColor;
3946 if (curColor != ColorNormal) {
3947 if (oldi > next_out) {
3948 SendToPlayer(&buf[next_out], oldi - next_out);
3951 Colorize(ColorNormal, FALSE);
3952 curColor = ColorNormal;
3954 if (started == STARTED_BOARD) {
3955 started = STARTED_NONE;
3956 parse[parse_pos] = NULLCHAR;
3957 ParseBoard12(parse);
3960 /* Send premove here */
3961 if (appData.premove) {
3963 if (currentMove == 0 &&
3964 gameMode == IcsPlayingWhite &&
3965 appData.premoveWhite) {
3966 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3967 if (appData.debugMode)
3968 fprintf(debugFP, "Sending premove:\n");
3970 } else if (currentMove == 1 &&
3971 gameMode == IcsPlayingBlack &&
3972 appData.premoveBlack) {
3973 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3974 if (appData.debugMode)
3975 fprintf(debugFP, "Sending premove:\n");
3977 } else if (gotPremove) {
3979 ClearPremoveHighlights();
3980 if (appData.debugMode)
3981 fprintf(debugFP, "Sending premove:\n");
3982 UserMoveEvent(premoveFromX, premoveFromY,
3983 premoveToX, premoveToY,
3988 /* Usually suppress following prompt */
3989 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3990 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3991 if (looking_at(buf, &i, "*% ")) {
3992 savingComment = FALSE;
3997 } else if (started == STARTED_HOLDINGS) {
3999 char new_piece[MSG_SIZ];
4000 started = STARTED_NONE;
4001 parse[parse_pos] = NULLCHAR;
4002 if (appData.debugMode)
4003 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4004 parse, currentMove);
4005 if (sscanf(parse, " game %d", &gamenum) == 1) {
4006 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4007 if (gameInfo.variant == VariantNormal) {
4008 /* [HGM] We seem to switch variant during a game!
4009 * Presumably no holdings were displayed, so we have
4010 * to move the position two files to the right to
4011 * create room for them!
4013 VariantClass newVariant;
4014 switch(gameInfo.boardWidth) { // base guess on board width
4015 case 9: newVariant = VariantShogi; break;
4016 case 10: newVariant = VariantGreat; break;
4017 default: newVariant = VariantCrazyhouse; break;
4019 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4020 /* Get a move list just to see the header, which
4021 will tell us whether this is really bug or zh */
4022 if (ics_getting_history == H_FALSE) {
4023 ics_getting_history = H_REQUESTED;
4024 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4028 new_piece[0] = NULLCHAR;
4029 sscanf(parse, "game %d white [%s black [%s <- %s",
4030 &gamenum, white_holding, black_holding,
4032 white_holding[strlen(white_holding)-1] = NULLCHAR;
4033 black_holding[strlen(black_holding)-1] = NULLCHAR;
4034 /* [HGM] copy holdings to board holdings area */
4035 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4036 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4037 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4039 if (appData.zippyPlay && first.initDone) {
4040 ZippyHoldings(white_holding, black_holding,
4044 if (tinyLayout || smallLayout) {
4045 char wh[16], bh[16];
4046 PackHolding(wh, white_holding);
4047 PackHolding(bh, black_holding);
4048 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4049 gameInfo.white, gameInfo.black);
4051 snprintf(str, MSG_SIZ, _("%s [%s] vs. %s [%s]"),
4052 gameInfo.white, white_holding,
4053 gameInfo.black, black_holding);
4055 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4056 DrawPosition(FALSE, boards[currentMove]);
4058 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4059 sscanf(parse, "game %d white [%s black [%s <- %s",
4060 &gamenum, white_holding, black_holding,
4062 white_holding[strlen(white_holding)-1] = NULLCHAR;
4063 black_holding[strlen(black_holding)-1] = NULLCHAR;
4064 /* [HGM] copy holdings to partner-board holdings area */
4065 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4066 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4067 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4068 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4069 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4072 /* Suppress following prompt */
4073 if (looking_at(buf, &i, "*% ")) {
4074 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4075 savingComment = FALSE;
4083 i++; /* skip unparsed character and loop back */
4086 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4087 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4088 // SendToPlayer(&buf[next_out], i - next_out);
4089 started != STARTED_HOLDINGS && leftover_start > next_out) {
4090 SendToPlayer(&buf[next_out], leftover_start - next_out);
4094 leftover_len = buf_len - leftover_start;
4095 /* if buffer ends with something we couldn't parse,
4096 reparse it after appending the next read */
4098 } else if (count == 0) {
4099 RemoveInputSource(isr);
4100 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4102 DisplayFatalError(_("Error reading from ICS"), error, 1);
4107 /* Board style 12 looks like this:
4109 <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
4111 * The "<12> " is stripped before it gets to this routine. The two
4112 * trailing 0's (flip state and clock ticking) are later addition, and
4113 * some chess servers may not have them, or may have only the first.
4114 * Additional trailing fields may be added in the future.
4117 #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"
4119 #define RELATION_OBSERVING_PLAYED 0
4120 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4121 #define RELATION_PLAYING_MYMOVE 1
4122 #define RELATION_PLAYING_NOTMYMOVE -1
4123 #define RELATION_EXAMINING 2
4124 #define RELATION_ISOLATED_BOARD -3
4125 #define RELATION_STARTING_POSITION -4 /* FICS only */
4128 ParseBoard12(string)
4131 GameMode newGameMode;
4132 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4133 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4134 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4135 char to_play, board_chars[200];
4136 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4137 char black[32], white[32];
4139 int prevMove = currentMove;
4142 int fromX, fromY, toX, toY;
4144 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4145 char *bookHit = NULL; // [HGM] book
4146 Boolean weird = FALSE, reqFlag = FALSE;
4148 fromX = fromY = toX = toY = -1;
4152 if (appData.debugMode)
4153 fprintf(debugFP, _("Parsing board: %s\n"), string);
4155 move_str[0] = NULLCHAR;
4156 elapsed_time[0] = NULLCHAR;
4157 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4159 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4160 if(string[i] == ' ') { ranks++; files = 0; }
4162 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4165 for(j = 0; j <i; j++) board_chars[j] = string[j];
4166 board_chars[i] = '\0';
4169 n = sscanf(string, PATTERN, &to_play, &double_push,
4170 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4171 &gamenum, white, black, &relation, &basetime, &increment,
4172 &white_stren, &black_stren, &white_time, &black_time,
4173 &moveNum, str, elapsed_time, move_str, &ics_flip,
4177 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4178 DisplayError(str, 0);
4182 /* Convert the move number to internal form */
4183 moveNum = (moveNum - 1) * 2;
4184 if (to_play == 'B') moveNum++;
4185 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4186 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4192 case RELATION_OBSERVING_PLAYED:
4193 case RELATION_OBSERVING_STATIC:
4194 if (gamenum == -1) {
4195 /* Old ICC buglet */
4196 relation = RELATION_OBSERVING_STATIC;
4198 newGameMode = IcsObserving;
4200 case RELATION_PLAYING_MYMOVE:
4201 case RELATION_PLAYING_NOTMYMOVE:
4203 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4204 IcsPlayingWhite : IcsPlayingBlack;
4206 case RELATION_EXAMINING:
4207 newGameMode = IcsExamining;
4209 case RELATION_ISOLATED_BOARD:
4211 /* Just display this board. If user was doing something else,
4212 we will forget about it until the next board comes. */
4213 newGameMode = IcsIdle;
4215 case RELATION_STARTING_POSITION:
4216 newGameMode = gameMode;
4220 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4221 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4222 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4224 for (k = 0; k < ranks; k++) {
4225 for (j = 0; j < files; j++)
4226 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4227 if(gameInfo.holdingsWidth > 1) {
4228 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4229 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4232 CopyBoard(partnerBoard, board);
4233 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4234 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4235 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4236 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4237 if(toSqr = strchr(str, '-')) {
4238 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4239 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4240 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4241 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4242 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4243 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4244 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4245 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4246 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4247 DisplayMessage(partnerStatus, "");
4248 partnerBoardValid = TRUE;
4252 /* Modify behavior for initial board display on move listing
4255 switch (ics_getting_history) {
4259 case H_GOT_REQ_HEADER:
4260 case H_GOT_UNREQ_HEADER:
4261 /* This is the initial position of the current game */
4262 gamenum = ics_gamenum;
4263 moveNum = 0; /* old ICS bug workaround */
4264 if (to_play == 'B') {
4265 startedFromSetupPosition = TRUE;
4266 blackPlaysFirst = TRUE;
4268 if (forwardMostMove == 0) forwardMostMove = 1;
4269 if (backwardMostMove == 0) backwardMostMove = 1;
4270 if (currentMove == 0) currentMove = 1;
4272 newGameMode = gameMode;
4273 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4275 case H_GOT_UNWANTED_HEADER:
4276 /* This is an initial board that we don't want */
4278 case H_GETTING_MOVES:
4279 /* Should not happen */
4280 DisplayError(_("Error gathering move list: extra board"), 0);
4281 ics_getting_history = H_FALSE;
4285 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4286 weird && (int)gameInfo.variant < (int)VariantShogi) {
4287 /* [HGM] We seem to have switched variant unexpectedly
4288 * Try to guess new variant from board size
4290 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4291 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4292 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4293 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4294 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4295 if(!weird) newVariant = VariantNormal;
4296 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4297 /* Get a move list just to see the header, which
4298 will tell us whether this is really bug or zh */
4299 if (ics_getting_history == H_FALSE) {
4300 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4301 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4306 /* Take action if this is the first board of a new game, or of a
4307 different game than is currently being displayed. */
4308 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4309 relation == RELATION_ISOLATED_BOARD) {
4311 /* Forget the old game and get the history (if any) of the new one */
4312 if (gameMode != BeginningOfGame) {
4316 if (appData.autoRaiseBoard) BoardToTop();
4318 if (gamenum == -1) {
4319 newGameMode = IcsIdle;
4320 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4321 appData.getMoveList && !reqFlag) {
4322 /* Need to get game history */
4323 ics_getting_history = H_REQUESTED;
4324 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4328 /* Initially flip the board to have black on the bottom if playing
4329 black or if the ICS flip flag is set, but let the user change
4330 it with the Flip View button. */
4331 flipView = appData.autoFlipView ?
4332 (newGameMode == IcsPlayingBlack) || ics_flip :
4335 /* Done with values from previous mode; copy in new ones */
4336 gameMode = newGameMode;
4338 ics_gamenum = gamenum;
4339 if (gamenum == gs_gamenum) {
4340 int klen = strlen(gs_kind);
4341 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4342 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4343 gameInfo.event = StrSave(str);
4345 gameInfo.event = StrSave("ICS game");
4347 gameInfo.site = StrSave(appData.icsHost);
4348 gameInfo.date = PGNDate();
4349 gameInfo.round = StrSave("-");
4350 gameInfo.white = StrSave(white);
4351 gameInfo.black = StrSave(black);
4352 timeControl = basetime * 60 * 1000;
4354 timeIncrement = increment * 1000;
4355 movesPerSession = 0;
4356 gameInfo.timeControl = TimeControlTagValue();
4357 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4358 if (appData.debugMode) {
4359 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4360 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4361 setbuf(debugFP, NULL);
4364 gameInfo.outOfBook = NULL;
4366 /* Do we have the ratings? */
4367 if (strcmp(player1Name, white) == 0 &&
4368 strcmp(player2Name, black) == 0) {
4369 if (appData.debugMode)
4370 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4371 player1Rating, player2Rating);
4372 gameInfo.whiteRating = player1Rating;
4373 gameInfo.blackRating = player2Rating;
4374 } else if (strcmp(player2Name, white) == 0 &&
4375 strcmp(player1Name, black) == 0) {
4376 if (appData.debugMode)
4377 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4378 player2Rating, player1Rating);
4379 gameInfo.whiteRating = player2Rating;
4380 gameInfo.blackRating = player1Rating;
4382 player1Name[0] = player2Name[0] = NULLCHAR;
4384 /* Silence shouts if requested */
4385 if (appData.quietPlay &&
4386 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4387 SendToICS(ics_prefix);
4388 SendToICS("set shout 0\n");
4392 /* Deal with midgame name changes */
4394 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4395 if (gameInfo.white) free(gameInfo.white);
4396 gameInfo.white = StrSave(white);
4398 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4399 if (gameInfo.black) free(gameInfo.black);
4400 gameInfo.black = StrSave(black);
4404 /* Throw away game result if anything actually changes in examine mode */
4405 if (gameMode == IcsExamining && !newGame) {
4406 gameInfo.result = GameUnfinished;
4407 if (gameInfo.resultDetails != NULL) {
4408 free(gameInfo.resultDetails);
4409 gameInfo.resultDetails = NULL;
4413 /* In pausing && IcsExamining mode, we ignore boards coming
4414 in if they are in a different variation than we are. */
4415 if (pauseExamInvalid) return;
4416 if (pausing && gameMode == IcsExamining) {
4417 if (moveNum <= pauseExamForwardMostMove) {
4418 pauseExamInvalid = TRUE;
4419 forwardMostMove = pauseExamForwardMostMove;
4424 if (appData.debugMode) {
4425 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4427 /* Parse the board */
4428 for (k = 0; k < ranks; k++) {
4429 for (j = 0; j < files; j++)
4430 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4431 if(gameInfo.holdingsWidth > 1) {
4432 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4433 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4436 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4437 board[5][BOARD_RGHT+1] = WhiteAngel;
4438 board[6][BOARD_RGHT+1] = WhiteMarshall;
4439 board[1][0] = BlackMarshall;
4440 board[2][0] = BlackAngel;
4441 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4443 CopyBoard(boards[moveNum], board);
4444 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4446 startedFromSetupPosition =
4447 !CompareBoards(board, initialPosition);
4448 if(startedFromSetupPosition)
4449 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4452 /* [HGM] Set castling rights. Take the outermost Rooks,
4453 to make it also work for FRC opening positions. Note that board12
4454 is really defective for later FRC positions, as it has no way to
4455 indicate which Rook can castle if they are on the same side of King.
4456 For the initial position we grant rights to the outermost Rooks,
4457 and remember thos rights, and we then copy them on positions
4458 later in an FRC game. This means WB might not recognize castlings with
4459 Rooks that have moved back to their original position as illegal,
4460 but in ICS mode that is not its job anyway.
4462 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4463 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4465 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4466 if(board[0][i] == WhiteRook) j = i;
4467 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4468 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4469 if(board[0][i] == WhiteRook) j = i;
4470 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4471 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4472 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4473 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4474 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4475 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4476 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4478 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4479 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4480 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4481 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4482 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4483 if(board[BOARD_HEIGHT-1][k] == bKing)
4484 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4485 if(gameInfo.variant == VariantTwoKings) {
4486 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4487 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4488 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4491 r = boards[moveNum][CASTLING][0] = initialRights[0];
4492 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4493 r = boards[moveNum][CASTLING][1] = initialRights[1];
4494 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4495 r = boards[moveNum][CASTLING][3] = initialRights[3];
4496 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4497 r = boards[moveNum][CASTLING][4] = initialRights[4];
4498 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4499 /* wildcastle kludge: always assume King has rights */
4500 r = boards[moveNum][CASTLING][2] = initialRights[2];
4501 r = boards[moveNum][CASTLING][5] = initialRights[5];
4503 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4504 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4507 if (ics_getting_history == H_GOT_REQ_HEADER ||
4508 ics_getting_history == H_GOT_UNREQ_HEADER) {
4509 /* This was an initial position from a move list, not
4510 the current position */
4514 /* Update currentMove and known move number limits */
4515 newMove = newGame || moveNum > forwardMostMove;
4518 forwardMostMove = backwardMostMove = currentMove = moveNum;
4519 if (gameMode == IcsExamining && moveNum == 0) {
4520 /* Workaround for ICS limitation: we are not told the wild
4521 type when starting to examine a game. But if we ask for
4522 the move list, the move list header will tell us */
4523 ics_getting_history = H_REQUESTED;
4524 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4527 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4528 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4530 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4531 /* [HGM] applied this also to an engine that is silently watching */
4532 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4533 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4534 gameInfo.variant == currentlyInitializedVariant) {
4535 takeback = forwardMostMove - moveNum;
4536 for (i = 0; i < takeback; i++) {
4537 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4538 SendToProgram("undo\n", &first);
4543 forwardMostMove = moveNum;
4544 if (!pausing || currentMove > forwardMostMove)
4545 currentMove = forwardMostMove;
4547 /* New part of history that is not contiguous with old part */
4548 if (pausing && gameMode == IcsExamining) {
4549 pauseExamInvalid = TRUE;
4550 forwardMostMove = pauseExamForwardMostMove;
4553 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4555 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4556 // [HGM] when we will receive the move list we now request, it will be
4557 // fed to the engine from the first move on. So if the engine is not
4558 // in the initial position now, bring it there.
4559 InitChessProgram(&first, 0);
4562 ics_getting_history = H_REQUESTED;
4563 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4566 forwardMostMove = backwardMostMove = currentMove = moveNum;
4569 /* Update the clocks */
4570 if (strchr(elapsed_time, '.')) {
4572 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4573 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4575 /* Time is in seconds */
4576 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4577 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4582 if (appData.zippyPlay && newGame &&
4583 gameMode != IcsObserving && gameMode != IcsIdle &&
4584 gameMode != IcsExamining)
4585 ZippyFirstBoard(moveNum, basetime, increment);
4588 /* Put the move on the move list, first converting
4589 to canonical algebraic form. */
4591 if (appData.debugMode) {
4592 if (appData.debugMode) { int f = forwardMostMove;
4593 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4594 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4595 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4597 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4598 fprintf(debugFP, "moveNum = %d\n", moveNum);
4599 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4600 setbuf(debugFP, NULL);
4602 if (moveNum <= backwardMostMove) {
4603 /* We don't know what the board looked like before
4605 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4606 strcat(parseList[moveNum - 1], " ");
4607 strcat(parseList[moveNum - 1], elapsed_time);
4608 moveList[moveNum - 1][0] = NULLCHAR;
4609 } else if (strcmp(move_str, "none") == 0) {
4610 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4611 /* Again, we don't know what the board looked like;
4612 this is really the start of the game. */
4613 parseList[moveNum - 1][0] = NULLCHAR;
4614 moveList[moveNum - 1][0] = NULLCHAR;
4615 backwardMostMove = moveNum;
4616 startedFromSetupPosition = TRUE;
4617 fromX = fromY = toX = toY = -1;
4619 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4620 // So we parse the long-algebraic move string in stead of the SAN move
4621 int valid; char buf[MSG_SIZ], *prom;
4623 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4624 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4625 // str looks something like "Q/a1-a2"; kill the slash
4627 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4628 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4629 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4630 strcat(buf, prom); // long move lacks promo specification!
4631 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4632 if(appData.debugMode)
4633 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4634 safeStrCpy(move_str, buf, MSG_SIZ);
4636 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4637 &fromX, &fromY, &toX, &toY, &promoChar)
4638 || ParseOneMove(buf, moveNum - 1, &moveType,
4639 &fromX, &fromY, &toX, &toY, &promoChar);
4640 // end of long SAN patch
4642 (void) CoordsToAlgebraic(boards[moveNum - 1],
4643 PosFlags(moveNum - 1),
4644 fromY, fromX, toY, toX, promoChar,
4645 parseList[moveNum-1]);
4646 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4652 if(gameInfo.variant != VariantShogi)
4653 strcat(parseList[moveNum - 1], "+");
4656 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4657 strcat(parseList[moveNum - 1], "#");
4660 strcat(parseList[moveNum - 1], " ");
4661 strcat(parseList[moveNum - 1], elapsed_time);
4662 /* currentMoveString is set as a side-effect of ParseOneMove */
4663 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4664 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4665 strcat(moveList[moveNum - 1], "\n");
4667 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4668 && gameInfo.variant != VariantGrand) // inherit info that ICS does not give from previous board
4669 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4670 ChessSquare old, new = boards[moveNum][k][j];
4671 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4672 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4673 if(old == new) continue;
4674 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4675 else if(new == WhiteWazir || new == BlackWazir) {
4676 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4677 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4678 else boards[moveNum][k][j] = old; // preserve type of Gold
4679 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4680 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4683 /* Move from ICS was illegal!? Punt. */
4684 if (appData.debugMode) {
4685 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4686 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4688 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4689 strcat(parseList[moveNum - 1], " ");
4690 strcat(parseList[moveNum - 1], elapsed_time);
4691 moveList[moveNum - 1][0] = NULLCHAR;
4692 fromX = fromY = toX = toY = -1;
4695 if (appData.debugMode) {
4696 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4697 setbuf(debugFP, NULL);
4701 /* Send move to chess program (BEFORE animating it). */
4702 if (appData.zippyPlay && !newGame && newMove &&
4703 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4705 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4706 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4707 if (moveList[moveNum - 1][0] == NULLCHAR) {
4708 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4710 DisplayError(str, 0);
4712 if (first.sendTime) {
4713 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4715 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4716 if (firstMove && !bookHit) {
4718 if (first.useColors) {
4719 SendToProgram(gameMode == IcsPlayingWhite ?
4721 "black\ngo\n", &first);
4723 SendToProgram("go\n", &first);
4725 first.maybeThinking = TRUE;
4728 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4729 if (moveList[moveNum - 1][0] == NULLCHAR) {
4730 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4731 DisplayError(str, 0);
4733 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4734 SendMoveToProgram(moveNum - 1, &first);
4741 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4742 /* If move comes from a remote source, animate it. If it
4743 isn't remote, it will have already been animated. */
4744 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4745 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4747 if (!pausing && appData.highlightLastMove) {
4748 SetHighlights(fromX, fromY, toX, toY);
4752 /* Start the clocks */
4753 whiteFlag = blackFlag = FALSE;
4754 appData.clockMode = !(basetime == 0 && increment == 0);
4756 ics_clock_paused = TRUE;
4758 } else if (ticking == 1) {
4759 ics_clock_paused = FALSE;
4761 if (gameMode == IcsIdle ||
4762 relation == RELATION_OBSERVING_STATIC ||
4763 relation == RELATION_EXAMINING ||
4765 DisplayBothClocks();
4769 /* Display opponents and material strengths */
4770 if (gameInfo.variant != VariantBughouse &&
4771 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4772 if (tinyLayout || smallLayout) {
4773 if(gameInfo.variant == VariantNormal)
4774 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4775 gameInfo.white, white_stren, gameInfo.black, black_stren,
4776 basetime, increment);
4778 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4779 gameInfo.white, white_stren, gameInfo.black, black_stren,
4780 basetime, increment, (int) gameInfo.variant);
4782 if(gameInfo.variant == VariantNormal)
4783 snprintf(str, MSG_SIZ, _("%s (%d) vs. %s (%d) {%d %d}"),
4784 gameInfo.white, white_stren, gameInfo.black, black_stren,
4785 basetime, increment);
4787 snprintf(str, MSG_SIZ, _("%s (%d) vs. %s (%d) {%d %d %s}"),
4788 gameInfo.white, white_stren, gameInfo.black, black_stren,
4789 basetime, increment, VariantName(gameInfo.variant));
4792 if (appData.debugMode) {
4793 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4798 /* Display the board */
4799 if (!pausing && !appData.noGUI) {
4801 if (appData.premove)
4803 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4804 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4805 ClearPremoveHighlights();
4807 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4808 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4809 DrawPosition(j, boards[currentMove]);
4811 DisplayMove(moveNum - 1);
4812 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4813 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4814 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4815 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4819 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4821 if(bookHit) { // [HGM] book: simulate book reply
4822 static char bookMove[MSG_SIZ]; // a bit generous?
4824 programStats.nodes = programStats.depth = programStats.time =
4825 programStats.score = programStats.got_only_move = 0;
4826 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4828 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4829 strcat(bookMove, bookHit);
4830 HandleMachineMove(bookMove, &first);
4839 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4840 ics_getting_history = H_REQUESTED;
4841 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4847 AnalysisPeriodicEvent(force)
4850 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4851 && !force) || !appData.periodicUpdates)
4854 /* Send . command to Crafty to collect stats */
4855 SendToProgram(".\n", &first);
4857 /* Don't send another until we get a response (this makes
4858 us stop sending to old Crafty's which don't understand
4859 the "." command (sending illegal cmds resets node count & time,
4860 which looks bad)) */
4861 programStats.ok_to_send = 0;
4864 void ics_update_width(new_width)
4867 ics_printf("set width %d\n", new_width);
4871 SendMoveToProgram(moveNum, cps)
4873 ChessProgramState *cps;
4877 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4878 // null move in variant where engine does not understand it (for analysis purposes)
4879 SendBoard(cps, moveNum + 1); // send position after move in stead.
4882 if (cps->useUsermove) {
4883 SendToProgram("usermove ", cps);
4887 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4888 int len = space - parseList[moveNum];
4889 memcpy(buf, parseList[moveNum], len);
4891 buf[len] = NULLCHAR;
4893 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4895 SendToProgram(buf, cps);
4897 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4898 AlphaRank(moveList[moveNum], 4);
4899 SendToProgram(moveList[moveNum], cps);
4900 AlphaRank(moveList[moveNum], 4); // and back
4902 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4903 * the engine. It would be nice to have a better way to identify castle
4905 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4906 && cps->useOOCastle) {
4907 int fromX = moveList[moveNum][0] - AAA;
4908 int fromY = moveList[moveNum][1] - ONE;
4909 int toX = moveList[moveNum][2] - AAA;
4910 int toY = moveList[moveNum][3] - ONE;
4911 if((boards[moveNum][fromY][fromX] == WhiteKing
4912 && boards[moveNum][toY][toX] == WhiteRook)
4913 || (boards[moveNum][fromY][fromX] == BlackKing
4914 && boards[moveNum][toY][toX] == BlackRook)) {
4915 if(toX > fromX) SendToProgram("O-O\n", cps);
4916 else SendToProgram("O-O-O\n", cps);
4918 else SendToProgram(moveList[moveNum], cps);
4920 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4921 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4922 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4923 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4924 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4926 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4927 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4928 SendToProgram(buf, cps);
4930 else SendToProgram(moveList[moveNum], cps);
4931 /* End of additions by Tord */
4934 /* [HGM] setting up the opening has brought engine in force mode! */
4935 /* Send 'go' if we are in a mode where machine should play. */
4936 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4937 (gameMode == TwoMachinesPlay ||
4939 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4941 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4942 SendToProgram("go\n", cps);
4943 if (appData.debugMode) {
4944 fprintf(debugFP, "(extra)\n");
4947 setboardSpoiledMachineBlack = 0;
4951 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4953 int fromX, fromY, toX, toY;
4956 char user_move[MSG_SIZ];
4959 if(gameInfo.variant == VariantSChess && promoChar) {
4960 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
4961 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
4962 } else suffix[0] = NULLCHAR;
4966 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4967 (int)moveType, fromX, fromY, toX, toY);
4968 DisplayError(user_move + strlen("say "), 0);
4970 case WhiteKingSideCastle:
4971 case BlackKingSideCastle:
4972 case WhiteQueenSideCastleWild:
4973 case BlackQueenSideCastleWild:
4975 case WhiteHSideCastleFR:
4976 case BlackHSideCastleFR:
4978 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
4980 case WhiteQueenSideCastle:
4981 case BlackQueenSideCastle:
4982 case WhiteKingSideCastleWild:
4983 case BlackKingSideCastleWild:
4985 case WhiteASideCastleFR:
4986 case BlackASideCastleFR:
4988 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
4990 case WhiteNonPromotion:
4991 case BlackNonPromotion:
4992 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4994 case WhitePromotion:
4995 case BlackPromotion:
4996 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4997 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4998 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4999 PieceToChar(WhiteFerz));
5000 else if(gameInfo.variant == VariantGreat)
5001 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5002 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5003 PieceToChar(WhiteMan));
5005 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5006 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5012 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5013 ToUpper(PieceToChar((ChessSquare) fromX)),
5014 AAA + toX, ONE + toY);
5016 case IllegalMove: /* could be a variant we don't quite understand */
5017 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5019 case WhiteCapturesEnPassant:
5020 case BlackCapturesEnPassant:
5021 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5022 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5025 SendToICS(user_move);
5026 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5027 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5032 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5033 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5034 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5035 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5036 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5039 if(gameMode != IcsExamining) { // is this ever not the case?
5040 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5042 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5043 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5044 } else { // on FICS we must first go to general examine mode
5045 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5047 if(gameInfo.variant != VariantNormal) {
5048 // try figure out wild number, as xboard names are not always valid on ICS
5049 for(i=1; i<=36; i++) {
5050 snprintf(buf, MSG_SIZ, "wild/%d", i);
5051 if(StringToVariant(buf) == gameInfo.variant) break;
5053 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5054 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5055 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5056 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5057 SendToICS(ics_prefix);
5059 if(startedFromSetupPosition || backwardMostMove != 0) {
5060 fen = PositionToFEN(backwardMostMove, NULL);
5061 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5062 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5064 } else { // FICS: everything has to set by separate bsetup commands
5065 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5066 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5068 if(!WhiteOnMove(backwardMostMove)) {
5069 SendToICS("bsetup tomove black\n");
5071 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5072 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5074 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5075 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5077 i = boards[backwardMostMove][EP_STATUS];
5078 if(i >= 0) { // set e.p.
5079 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5085 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5086 SendToICS("bsetup done\n"); // switch to normal examining.
5088 for(i = backwardMostMove; i<last; i++) {
5090 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5093 SendToICS(ics_prefix);
5094 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5098 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5103 if (rf == DROP_RANK) {
5104 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5105 sprintf(move, "%c@%c%c\n",
5106 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5108 if (promoChar == 'x' || promoChar == NULLCHAR) {
5109 sprintf(move, "%c%c%c%c\n",
5110 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5112 sprintf(move, "%c%c%c%c%c\n",
5113 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5119 ProcessICSInitScript(f)
5124 while (fgets(buf, MSG_SIZ, f)) {
5125 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5132 static int lastX, lastY, selectFlag, dragging;
5137 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5138 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5139 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5140 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5141 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5142 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5145 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5146 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5147 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5148 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5149 if(!step) step = -1;
5150 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5151 appData.testLegality && (promoSweep == king ||
5152 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5153 ChangeDragPiece(promoSweep);
5156 int PromoScroll(int x, int y)
5160 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5161 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5162 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5163 if(!step) return FALSE;
5164 lastX = x; lastY = y;
5165 if((promoSweep < BlackPawn) == flipView) step = -step;
5166 if(step > 0) selectFlag = 1;
5167 if(!selectFlag) Sweep(step);
5174 ChessSquare piece = boards[currentMove][toY][toX];
5177 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5178 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5179 if(!step) step = -1;
5180 } while(PieceToChar(pieceSweep) == '.');
5181 boards[currentMove][toY][toX] = pieceSweep;
5182 DrawPosition(FALSE, boards[currentMove]);
5183 boards[currentMove][toY][toX] = piece;
5185 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5187 AlphaRank(char *move, int n)
5189 // char *p = move, c; int x, y;
5191 if (appData.debugMode) {
5192 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5196 move[2]>='0' && move[2]<='9' &&
5197 move[3]>='a' && move[3]<='x' ) {
5199 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5200 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5202 if(move[0]>='0' && move[0]<='9' &&
5203 move[1]>='a' && move[1]<='x' &&
5204 move[2]>='0' && move[2]<='9' &&
5205 move[3]>='a' && move[3]<='x' ) {
5206 /* input move, Shogi -> normal */
5207 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5208 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5209 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5210 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5213 move[3]>='0' && move[3]<='9' &&
5214 move[2]>='a' && move[2]<='x' ) {
5216 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5217 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5220 move[0]>='a' && move[0]<='x' &&
5221 move[3]>='0' && move[3]<='9' &&
5222 move[2]>='a' && move[2]<='x' ) {
5223 /* output move, normal -> Shogi */
5224 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5225 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5226 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5227 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5228 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5230 if (appData.debugMode) {
5231 fprintf(debugFP, " out = '%s'\n", move);
5235 char yy_textstr[8000];
5237 /* Parser for moves from gnuchess, ICS, or user typein box */
5239 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5242 ChessMove *moveType;
5243 int *fromX, *fromY, *toX, *toY;
5246 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5248 switch (*moveType) {
5249 case WhitePromotion:
5250 case BlackPromotion:
5251 case WhiteNonPromotion:
5252 case BlackNonPromotion:
5254 case WhiteCapturesEnPassant:
5255 case BlackCapturesEnPassant:
5256 case WhiteKingSideCastle:
5257 case WhiteQueenSideCastle:
5258 case BlackKingSideCastle:
5259 case BlackQueenSideCastle:
5260 case WhiteKingSideCastleWild:
5261 case WhiteQueenSideCastleWild:
5262 case BlackKingSideCastleWild:
5263 case BlackQueenSideCastleWild:
5264 /* Code added by Tord: */
5265 case WhiteHSideCastleFR:
5266 case WhiteASideCastleFR:
5267 case BlackHSideCastleFR:
5268 case BlackASideCastleFR:
5269 /* End of code added by Tord */
5270 case IllegalMove: /* bug or odd chess variant */
5271 *fromX = currentMoveString[0] - AAA;
5272 *fromY = currentMoveString[1] - ONE;
5273 *toX = currentMoveString[2] - AAA;
5274 *toY = currentMoveString[3] - ONE;
5275 *promoChar = currentMoveString[4];
5276 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5277 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5278 if (appData.debugMode) {
5279 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5281 *fromX = *fromY = *toX = *toY = 0;
5284 if (appData.testLegality) {
5285 return (*moveType != IllegalMove);
5287 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5288 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5293 *fromX = *moveType == WhiteDrop ?
5294 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5295 (int) CharToPiece(ToLower(currentMoveString[0]));
5297 *toX = currentMoveString[2] - AAA;
5298 *toY = currentMoveString[3] - ONE;
5299 *promoChar = NULLCHAR;
5303 case ImpossibleMove:
5313 if (appData.debugMode) {
5314 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5317 *fromX = *fromY = *toX = *toY = 0;
5318 *promoChar = NULLCHAR;
5323 Boolean pushed = FALSE;
5324 char *lastParseAttempt;
5327 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5328 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5329 int fromX, fromY, toX, toY; char promoChar;
5334 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5335 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5338 endPV = forwardMostMove;
5340 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5341 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5342 lastParseAttempt = pv;
5343 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5344 if(appData.debugMode){
5345 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);
5347 if(!valid && nr == 0 &&
5348 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5349 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5350 // Hande case where played move is different from leading PV move
5351 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5352 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5353 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5354 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5355 endPV += 2; // if position different, keep this
5356 moveList[endPV-1][0] = fromX + AAA;
5357 moveList[endPV-1][1] = fromY + ONE;
5358 moveList[endPV-1][2] = toX + AAA;
5359 moveList[endPV-1][3] = toY + ONE;
5360 parseList[endPV-1][0] = NULLCHAR;
5361 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5364 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5365 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5366 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5367 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5368 valid++; // allow comments in PV
5372 if(endPV+1 > framePtr) break; // no space, truncate
5375 CopyBoard(boards[endPV], boards[endPV-1]);
5376 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5377 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5378 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5379 CoordsToAlgebraic(boards[endPV - 1],
5380 PosFlags(endPV - 1),
5381 fromY, fromX, toY, toX, promoChar,
5382 parseList[endPV - 1]);
5384 if(atEnd == 2) return; // used hidden, for PV conversion
5385 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5386 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5387 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5388 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5389 DrawPosition(TRUE, boards[currentMove]);
5393 MultiPV(ChessProgramState *cps)
5394 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5396 for(i=0; i<cps->nrOptions; i++)
5397 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5403 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5405 int startPV, multi, lineStart, origIndex = index;
5406 char *p, buf2[MSG_SIZ];
5408 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5409 lastX = x; lastY = y;
5410 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5411 lineStart = startPV = index;
5412 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5413 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5415 do{ while(buf[index] && buf[index] != '\n') index++;
5416 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5418 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5419 int n = first.option[multi].value;
5420 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5421 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5422 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5423 first.option[multi].value = n;
5427 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5428 *start = startPV; *end = index-1;
5435 static char buf[10*MSG_SIZ];
5436 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5438 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5439 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5440 for(i = forwardMostMove; i<endPV; i++){
5441 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5442 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5445 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5446 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5452 LoadPV(int x, int y)
5453 { // called on right mouse click to load PV
5454 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5455 lastX = x; lastY = y;
5456 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5463 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5464 if(endPV < 0) return;
5466 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5467 Boolean saveAnimate = appData.animate;
5469 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5470 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5471 } else storedGames--; // abandon shelved tail of original game
5474 forwardMostMove = currentMove;
5475 currentMove = oldFMM;
5476 appData.animate = FALSE;
5477 ToNrEvent(forwardMostMove);
5478 appData.animate = saveAnimate;
5480 currentMove = forwardMostMove;
5481 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5482 ClearPremoveHighlights();
5483 DrawPosition(TRUE, boards[currentMove]);
5487 MovePV(int x, int y, int h)
5488 { // step through PV based on mouse coordinates (called on mouse move)
5489 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5491 // we must somehow check if right button is still down (might be released off board!)
5492 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5493 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5494 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5496 lastX = x; lastY = y;
5498 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5499 if(endPV < 0) return;
5500 if(y < margin) step = 1; else
5501 if(y > h - margin) step = -1;
5502 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5503 currentMove += step;
5504 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5505 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5506 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5507 DrawPosition(FALSE, boards[currentMove]);
5511 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5512 // All positions will have equal probability, but the current method will not provide a unique
5513 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5519 int piecesLeft[(int)BlackPawn];
5520 int seed, nrOfShuffles;
5522 void GetPositionNumber()
5523 { // sets global variable seed
5526 seed = appData.defaultFrcPosition;
5527 if(seed < 0) { // randomize based on time for negative FRC position numbers
5528 for(i=0; i<50; i++) seed += random();
5529 seed = random() ^ random() >> 8 ^ random() << 8;
5530 if(seed<0) seed = -seed;
5534 int put(Board board, int pieceType, int rank, int n, int shade)
5535 // put the piece on the (n-1)-th empty squares of the given shade
5539 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5540 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5541 board[rank][i] = (ChessSquare) pieceType;
5542 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5544 piecesLeft[pieceType]--;
5552 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5553 // calculate where the next piece goes, (any empty square), and put it there
5557 i = seed % squaresLeft[shade];
5558 nrOfShuffles *= squaresLeft[shade];
5559 seed /= squaresLeft[shade];
5560 put(board, pieceType, rank, i, shade);
5563 void AddTwoPieces(Board board, int pieceType, int rank)
5564 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5566 int i, n=squaresLeft[ANY], j=n-1, k;
5568 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5569 i = seed % k; // pick one
5572 while(i >= j) i -= j--;
5573 j = n - 1 - j; i += j;
5574 put(board, pieceType, rank, j, ANY);
5575 put(board, pieceType, rank, i, ANY);
5578 void SetUpShuffle(Board board, int number)
5582 GetPositionNumber(); nrOfShuffles = 1;
5584 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5585 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5586 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5588 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5590 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5591 p = (int) board[0][i];
5592 if(p < (int) BlackPawn) piecesLeft[p] ++;
5593 board[0][i] = EmptySquare;
5596 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5597 // shuffles restricted to allow normal castling put KRR first
5598 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5599 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5600 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5601 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5602 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5603 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5604 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5605 put(board, WhiteRook, 0, 0, ANY);
5606 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5609 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5610 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5611 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5612 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5613 while(piecesLeft[p] >= 2) {
5614 AddOnePiece(board, p, 0, LITE);
5615 AddOnePiece(board, p, 0, DARK);
5617 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5620 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5621 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5622 // but we leave King and Rooks for last, to possibly obey FRC restriction
5623 if(p == (int)WhiteRook) continue;
5624 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5625 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5628 // now everything is placed, except perhaps King (Unicorn) and Rooks
5630 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5631 // Last King gets castling rights
5632 while(piecesLeft[(int)WhiteUnicorn]) {
5633 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5634 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5637 while(piecesLeft[(int)WhiteKing]) {
5638 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5639 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5644 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5645 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5648 // Only Rooks can be left; simply place them all
5649 while(piecesLeft[(int)WhiteRook]) {
5650 i = put(board, WhiteRook, 0, 0, ANY);
5651 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5654 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5656 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5659 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5660 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5663 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5666 int SetCharTable( char *table, const char * map )
5667 /* [HGM] moved here from winboard.c because of its general usefulness */
5668 /* Basically a safe strcpy that uses the last character as King */
5670 int result = FALSE; int NrPieces;
5672 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5673 && NrPieces >= 12 && !(NrPieces&1)) {
5674 int i; /* [HGM] Accept even length from 12 to 34 */
5676 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5677 for( i=0; i<NrPieces/2-1; i++ ) {
5679 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5681 table[(int) WhiteKing] = map[NrPieces/2-1];
5682 table[(int) BlackKing] = map[NrPieces-1];
5690 void Prelude(Board board)
5691 { // [HGM] superchess: random selection of exo-pieces
5692 int i, j, k; ChessSquare p;
5693 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5695 GetPositionNumber(); // use FRC position number
5697 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5698 SetCharTable(pieceToChar, appData.pieceToCharTable);
5699 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5700 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5703 j = seed%4; seed /= 4;
5704 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5705 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5706 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5707 j = seed%3 + (seed%3 >= j); seed /= 3;
5708 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5709 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5710 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5711 j = seed%3; seed /= 3;
5712 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5713 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5714 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5715 j = seed%2 + (seed%2 >= j); seed /= 2;
5716 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5717 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5718 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5719 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5720 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5721 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5722 put(board, exoPieces[0], 0, 0, ANY);
5723 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5727 InitPosition(redraw)
5730 ChessSquare (* pieces)[BOARD_FILES];
5731 int i, j, pawnRow, overrule,
5732 oldx = gameInfo.boardWidth,
5733 oldy = gameInfo.boardHeight,
5734 oldh = gameInfo.holdingsWidth;
5737 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5739 /* [AS] Initialize pv info list [HGM] and game status */
5741 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5742 pvInfoList[i].depth = 0;
5743 boards[i][EP_STATUS] = EP_NONE;
5744 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5747 initialRulePlies = 0; /* 50-move counter start */
5749 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5750 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5754 /* [HGM] logic here is completely changed. In stead of full positions */
5755 /* the initialized data only consist of the two backranks. The switch */
5756 /* selects which one we will use, which is than copied to the Board */
5757 /* initialPosition, which for the rest is initialized by Pawns and */
5758 /* empty squares. This initial position is then copied to boards[0], */
5759 /* possibly after shuffling, so that it remains available. */
5761 gameInfo.holdingsWidth = 0; /* default board sizes */
5762 gameInfo.boardWidth = 8;
5763 gameInfo.boardHeight = 8;
5764 gameInfo.holdingsSize = 0;
5765 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5766 for(i=0; i<BOARD_FILES-2; i++)
5767 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5768 initialPosition[EP_STATUS] = EP_NONE;
5769 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5770 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5771 SetCharTable(pieceNickName, appData.pieceNickNames);
5772 else SetCharTable(pieceNickName, "............");
5775 switch (gameInfo.variant) {
5776 case VariantFischeRandom:
5777 shuffleOpenings = TRUE;
5780 case VariantShatranj:
5781 pieces = ShatranjArray;
5782 nrCastlingRights = 0;
5783 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5786 pieces = makrukArray;
5787 nrCastlingRights = 0;
5788 startedFromSetupPosition = TRUE;
5789 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5791 case VariantTwoKings:
5792 pieces = twoKingsArray;
5795 pieces = GrandArray;
5796 nrCastlingRights = 0;
5797 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5798 gameInfo.boardWidth = 10;
5799 gameInfo.boardHeight = 10;
5800 gameInfo.holdingsSize = 7;
5802 case VariantCapaRandom:
5803 shuffleOpenings = TRUE;
5804 case VariantCapablanca:
5805 pieces = CapablancaArray;
5806 gameInfo.boardWidth = 10;
5807 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5810 pieces = GothicArray;
5811 gameInfo.boardWidth = 10;
5812 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5815 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5816 gameInfo.holdingsSize = 7;
5819 pieces = JanusArray;
5820 gameInfo.boardWidth = 10;
5821 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5822 nrCastlingRights = 6;
5823 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5824 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5825 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5826 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5827 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5828 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5831 pieces = FalconArray;
5832 gameInfo.boardWidth = 10;
5833 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5835 case VariantXiangqi:
5836 pieces = XiangqiArray;
5837 gameInfo.boardWidth = 9;
5838 gameInfo.boardHeight = 10;
5839 nrCastlingRights = 0;
5840 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5843 pieces = ShogiArray;
5844 gameInfo.boardWidth = 9;
5845 gameInfo.boardHeight = 9;
5846 gameInfo.holdingsSize = 7;
5847 nrCastlingRights = 0;
5848 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5850 case VariantCourier:
5851 pieces = CourierArray;
5852 gameInfo.boardWidth = 12;
5853 nrCastlingRights = 0;
5854 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5856 case VariantKnightmate:
5857 pieces = KnightmateArray;
5858 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5860 case VariantSpartan:
5861 pieces = SpartanArray;
5862 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5865 pieces = fairyArray;
5866 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5869 pieces = GreatArray;
5870 gameInfo.boardWidth = 10;
5871 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5872 gameInfo.holdingsSize = 8;
5876 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5877 gameInfo.holdingsSize = 8;
5878 startedFromSetupPosition = TRUE;
5880 case VariantCrazyhouse:
5881 case VariantBughouse:
5883 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5884 gameInfo.holdingsSize = 5;
5886 case VariantWildCastle:
5888 /* !!?shuffle with kings guaranteed to be on d or e file */
5889 shuffleOpenings = 1;
5891 case VariantNoCastle:
5893 nrCastlingRights = 0;
5894 /* !!?unconstrained back-rank shuffle */
5895 shuffleOpenings = 1;
5900 if(appData.NrFiles >= 0) {
5901 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5902 gameInfo.boardWidth = appData.NrFiles;
5904 if(appData.NrRanks >= 0) {
5905 gameInfo.boardHeight = appData.NrRanks;
5907 if(appData.holdingsSize >= 0) {
5908 i = appData.holdingsSize;
5909 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5910 gameInfo.holdingsSize = i;
5912 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5913 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5914 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5916 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5917 if(pawnRow < 1) pawnRow = 1;
5918 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5920 /* User pieceToChar list overrules defaults */
5921 if(appData.pieceToCharTable != NULL)
5922 SetCharTable(pieceToChar, appData.pieceToCharTable);
5924 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5926 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5927 s = (ChessSquare) 0; /* account holding counts in guard band */
5928 for( i=0; i<BOARD_HEIGHT; i++ )
5929 initialPosition[i][j] = s;
5931 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5932 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5933 initialPosition[pawnRow][j] = WhitePawn;
5934 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5935 if(gameInfo.variant == VariantXiangqi) {
5937 initialPosition[pawnRow][j] =
5938 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5939 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5940 initialPosition[2][j] = WhiteCannon;
5941 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5945 if(gameInfo.variant == VariantGrand) {
5946 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5947 initialPosition[0][j] = WhiteRook;
5948 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5951 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5953 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5956 initialPosition[1][j] = WhiteBishop;
5957 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5959 initialPosition[1][j] = WhiteRook;
5960 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5963 if( nrCastlingRights == -1) {
5964 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5965 /* This sets default castling rights from none to normal corners */
5966 /* Variants with other castling rights must set them themselves above */
5967 nrCastlingRights = 6;
5969 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5970 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5971 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5972 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5973 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5974 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5977 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5978 if(gameInfo.variant == VariantGreat) { // promotion commoners
5979 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5980 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5981 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5982 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5984 if( gameInfo.variant == VariantSChess ) {
5985 initialPosition[1][0] = BlackMarshall;
5986 initialPosition[2][0] = BlackAngel;
5987 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5988 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5989 initialPosition[1][1] = initialPosition[2][1] =
5990 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5992 if (appData.debugMode) {
5993 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5995 if(shuffleOpenings) {
5996 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5997 startedFromSetupPosition = TRUE;
5999 if(startedFromPositionFile) {
6000 /* [HGM] loadPos: use PositionFile for every new game */
6001 CopyBoard(initialPosition, filePosition);
6002 for(i=0; i<nrCastlingRights; i++)
6003 initialRights[i] = filePosition[CASTLING][i];
6004 startedFromSetupPosition = TRUE;
6007 CopyBoard(boards[0], initialPosition);
6009 if(oldx != gameInfo.boardWidth ||
6010 oldy != gameInfo.boardHeight ||
6011 oldv != gameInfo.variant ||
6012 oldh != gameInfo.holdingsWidth
6014 InitDrawingSizes(-2 ,0);
6016 oldv = gameInfo.variant;
6018 DrawPosition(TRUE, boards[currentMove]);
6022 SendBoard(cps, moveNum)
6023 ChessProgramState *cps;
6026 char message[MSG_SIZ];
6028 if (cps->useSetboard) {
6029 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6030 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6031 SendToProgram(message, cps);
6036 int i, j, left=0, right=BOARD_WIDTH;
6037 /* Kludge to set black to move, avoiding the troublesome and now
6038 * deprecated "black" command.
6040 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6041 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6043 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6045 SendToProgram("edit\n", cps);
6046 SendToProgram("#\n", cps);
6047 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6048 bp = &boards[moveNum][i][left];
6049 for (j = left; j < right; j++, bp++) {
6050 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6051 if ((int) *bp < (int) BlackPawn) {
6052 if(j == BOARD_RGHT+1)
6053 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6054 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6055 if(message[0] == '+' || message[0] == '~') {
6056 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6057 PieceToChar((ChessSquare)(DEMOTED *bp)),
6060 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6061 message[1] = BOARD_RGHT - 1 - j + '1';
6062 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6064 SendToProgram(message, cps);
6069 SendToProgram("c\n", cps);
6070 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6071 bp = &boards[moveNum][i][left];
6072 for (j = left; j < right; j++, bp++) {
6073 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6074 if (((int) *bp != (int) EmptySquare)
6075 && ((int) *bp >= (int) BlackPawn)) {
6076 if(j == BOARD_LEFT-2)
6077 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6078 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6080 if(message[0] == '+' || message[0] == '~') {
6081 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6082 PieceToChar((ChessSquare)(DEMOTED *bp)),
6085 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6086 message[1] = BOARD_RGHT - 1 - j + '1';
6087 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6089 SendToProgram(message, cps);
6094 SendToProgram(".\n", cps);
6096 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6100 DefaultPromoChoice(int white)
6103 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6104 result = WhiteFerz; // no choice
6105 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6106 result= WhiteKing; // in Suicide Q is the last thing we want
6107 else if(gameInfo.variant == VariantSpartan)
6108 result = white ? WhiteQueen : WhiteAngel;
6109 else result = WhiteQueen;
6110 if(!white) result = WHITE_TO_BLACK result;
6114 static int autoQueen; // [HGM] oneclick
6117 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6119 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6120 /* [HGM] add Shogi promotions */
6121 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6126 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6127 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6129 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6130 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6133 piece = boards[currentMove][fromY][fromX];
6134 if(gameInfo.variant == VariantShogi) {
6135 promotionZoneSize = BOARD_HEIGHT/3;
6136 highestPromotingPiece = (int)WhiteFerz;
6137 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6138 promotionZoneSize = 3;
6141 // Treat Lance as Pawn when it is not representing Amazon
6142 if(gameInfo.variant != VariantSuper) {
6143 if(piece == WhiteLance) piece = WhitePawn; else
6144 if(piece == BlackLance) piece = BlackPawn;
6147 // next weed out all moves that do not touch the promotion zone at all
6148 if((int)piece >= BlackPawn) {
6149 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6151 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6153 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6154 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6157 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6159 // weed out mandatory Shogi promotions
6160 if(gameInfo.variant == VariantShogi) {
6161 if(piece >= BlackPawn) {
6162 if(toY == 0 && piece == BlackPawn ||
6163 toY == 0 && piece == BlackQueen ||
6164 toY <= 1 && piece == BlackKnight) {
6169 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6170 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6171 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6178 // weed out obviously illegal Pawn moves
6179 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6180 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6181 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6182 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6183 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6184 // note we are not allowed to test for valid (non-)capture, due to premove
6187 // we either have a choice what to promote to, or (in Shogi) whether to promote
6188 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6189 *promoChoice = PieceToChar(BlackFerz); // no choice
6192 // no sense asking what we must promote to if it is going to explode...
6193 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6194 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6197 // give caller the default choice even if we will not make it
6198 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6199 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6200 if( sweepSelect && gameInfo.variant != VariantGreat
6201 && gameInfo.variant != VariantGrand
6202 && gameInfo.variant != VariantSuper) return FALSE;
6203 if(autoQueen) return FALSE; // predetermined
6205 // suppress promotion popup on illegal moves that are not premoves
6206 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6207 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6208 if(appData.testLegality && !premove) {
6209 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6210 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6211 if(moveType != WhitePromotion && moveType != BlackPromotion)
6219 InPalace(row, column)
6221 { /* [HGM] for Xiangqi */
6222 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6223 column < (BOARD_WIDTH + 4)/2 &&
6224 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6229 PieceForSquare (x, y)
6233 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6236 return boards[currentMove][y][x];
6240 OKToStartUserMove(x, y)
6243 ChessSquare from_piece;
6246 if (matchMode) return FALSE;
6247 if (gameMode == EditPosition) return TRUE;
6249 if (x >= 0 && y >= 0)
6250 from_piece = boards[currentMove][y][x];
6252 from_piece = EmptySquare;
6254 if (from_piece == EmptySquare) return FALSE;
6256 white_piece = (int)from_piece >= (int)WhitePawn &&
6257 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6261 case TwoMachinesPlay:
6269 case MachinePlaysWhite:
6270 case IcsPlayingBlack:
6271 if (appData.zippyPlay) return FALSE;
6273 DisplayMoveError(_("You are playing Black"));
6278 case MachinePlaysBlack:
6279 case IcsPlayingWhite:
6280 if (appData.zippyPlay) return FALSE;
6282 DisplayMoveError(_("You are playing White"));
6287 case PlayFromGameFile:
6288 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6290 if (!white_piece && WhiteOnMove(currentMove)) {
6291 DisplayMoveError(_("It is White's turn"));
6294 if (white_piece && !WhiteOnMove(currentMove)) {
6295 DisplayMoveError(_("It is Black's turn"));
6298 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6299 /* Editing correspondence game history */
6300 /* Could disallow this or prompt for confirmation */
6305 case BeginningOfGame:
6306 if (appData.icsActive) return FALSE;
6307 if (!appData.noChessProgram) {
6309 DisplayMoveError(_("You are playing White"));
6316 if (!white_piece && WhiteOnMove(currentMove)) {
6317 DisplayMoveError(_("It is White's turn"));
6320 if (white_piece && !WhiteOnMove(currentMove)) {
6321 DisplayMoveError(_("It is Black's turn"));
6330 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6331 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6332 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6333 && gameMode != AnalyzeFile && gameMode != Training) {
6334 DisplayMoveError(_("Displayed position is not current"));
6341 OnlyMove(int *x, int *y, Boolean captures) {
6342 DisambiguateClosure cl;
6343 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6345 case MachinePlaysBlack:
6346 case IcsPlayingWhite:
6347 case BeginningOfGame:
6348 if(!WhiteOnMove(currentMove)) return FALSE;
6350 case MachinePlaysWhite:
6351 case IcsPlayingBlack:
6352 if(WhiteOnMove(currentMove)) return FALSE;
6359 cl.pieceIn = EmptySquare;
6364 cl.promoCharIn = NULLCHAR;
6365 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6366 if( cl.kind == NormalMove ||
6367 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6368 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6369 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6376 if(cl.kind != ImpossibleMove) return FALSE;
6377 cl.pieceIn = EmptySquare;
6382 cl.promoCharIn = NULLCHAR;
6383 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6384 if( cl.kind == NormalMove ||
6385 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6386 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6387 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6392 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6398 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6399 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6400 int lastLoadGameUseList = FALSE;
6401 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6402 ChessMove lastLoadGameStart = EndOfFile;
6405 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6406 int fromX, fromY, toX, toY;
6410 ChessSquare pdown, pup;
6412 /* Check if the user is playing in turn. This is complicated because we
6413 let the user "pick up" a piece before it is his turn. So the piece he
6414 tried to pick up may have been captured by the time he puts it down!
6415 Therefore we use the color the user is supposed to be playing in this
6416 test, not the color of the piece that is currently on the starting
6417 square---except in EditGame mode, where the user is playing both
6418 sides; fortunately there the capture race can't happen. (It can
6419 now happen in IcsExamining mode, but that's just too bad. The user
6420 will get a somewhat confusing message in that case.)
6425 case TwoMachinesPlay:
6429 /* We switched into a game mode where moves are not accepted,
6430 perhaps while the mouse button was down. */
6433 case MachinePlaysWhite:
6434 /* User is moving for Black */
6435 if (WhiteOnMove(currentMove)) {
6436 DisplayMoveError(_("It is White's turn"));
6441 case MachinePlaysBlack:
6442 /* User is moving for White */
6443 if (!WhiteOnMove(currentMove)) {
6444 DisplayMoveError(_("It is Black's turn"));
6449 case PlayFromGameFile:
6450 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6453 case BeginningOfGame:
6456 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6457 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6458 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6459 /* User is moving for Black */
6460 if (WhiteOnMove(currentMove)) {
6461 DisplayMoveError(_("It is White's turn"));
6465 /* User is moving for White */
6466 if (!WhiteOnMove(currentMove)) {
6467 DisplayMoveError(_("It is Black's turn"));
6473 case IcsPlayingBlack:
6474 /* User is moving for Black */
6475 if (WhiteOnMove(currentMove)) {
6476 if (!appData.premove) {
6477 DisplayMoveError(_("It is White's turn"));
6478 } else if (toX >= 0 && toY >= 0) {
6481 premoveFromX = fromX;
6482 premoveFromY = fromY;
6483 premovePromoChar = promoChar;
6485 if (appData.debugMode)
6486 fprintf(debugFP, "Got premove: fromX %d,"
6487 "fromY %d, toX %d, toY %d\n",
6488 fromX, fromY, toX, toY);
6494 case IcsPlayingWhite:
6495 /* User is moving for White */
6496 if (!WhiteOnMove(currentMove)) {
6497 if (!appData.premove) {
6498 DisplayMoveError(_("It is Black's turn"));
6499 } else if (toX >= 0 && toY >= 0) {
6502 premoveFromX = fromX;
6503 premoveFromY = fromY;
6504 premovePromoChar = promoChar;
6506 if (appData.debugMode)
6507 fprintf(debugFP, "Got premove: fromX %d,"
6508 "fromY %d, toX %d, toY %d\n",
6509 fromX, fromY, toX, toY);
6519 /* EditPosition, empty square, or different color piece;
6520 click-click move is possible */
6521 if (toX == -2 || toY == -2) {
6522 boards[0][fromY][fromX] = EmptySquare;
6523 DrawPosition(FALSE, boards[currentMove]);
6525 } else if (toX >= 0 && toY >= 0) {
6526 boards[0][toY][toX] = boards[0][fromY][fromX];
6527 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6528 if(boards[0][fromY][0] != EmptySquare) {
6529 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6530 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6533 if(fromX == BOARD_RGHT+1) {
6534 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6535 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6536 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6539 boards[0][fromY][fromX] = EmptySquare;
6540 DrawPosition(FALSE, boards[currentMove]);
6546 if(toX < 0 || toY < 0) return;
6547 pdown = boards[currentMove][fromY][fromX];
6548 pup = boards[currentMove][toY][toX];
6550 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6551 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6552 if( pup != EmptySquare ) return;
6553 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6554 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6555 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6556 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6557 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6558 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6559 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6563 /* [HGM] always test for legality, to get promotion info */
6564 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6565 fromY, fromX, toY, toX, promoChar);
6567 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6569 /* [HGM] but possibly ignore an IllegalMove result */
6570 if (appData.testLegality) {
6571 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6572 DisplayMoveError(_("Illegal move"));
6577 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6580 /* Common tail of UserMoveEvent and DropMenuEvent */
6582 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6584 int fromX, fromY, toX, toY;
6585 /*char*/int promoChar;
6589 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6590 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6591 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6592 if(WhiteOnMove(currentMove)) {
6593 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6595 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6599 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6600 move type in caller when we know the move is a legal promotion */
6601 if(moveType == NormalMove && promoChar)
6602 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6604 /* [HGM] <popupFix> The following if has been moved here from
6605 UserMoveEvent(). Because it seemed to belong here (why not allow
6606 piece drops in training games?), and because it can only be
6607 performed after it is known to what we promote. */
6608 if (gameMode == Training) {
6609 /* compare the move played on the board to the next move in the
6610 * game. If they match, display the move and the opponent's response.
6611 * If they don't match, display an error message.
6615 CopyBoard(testBoard, boards[currentMove]);
6616 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6618 if (CompareBoards(testBoard, boards[currentMove+1])) {
6619 ForwardInner(currentMove+1);
6621 /* Autoplay the opponent's response.
6622 * if appData.animate was TRUE when Training mode was entered,
6623 * the response will be animated.
6625 saveAnimate = appData.animate;
6626 appData.animate = animateTraining;
6627 ForwardInner(currentMove+1);
6628 appData.animate = saveAnimate;
6630 /* check for the end of the game */
6631 if (currentMove >= forwardMostMove) {
6632 gameMode = PlayFromGameFile;
6634 SetTrainingModeOff();
6635 DisplayInformation(_("End of game"));
6638 DisplayError(_("Incorrect move"), 0);
6643 /* Ok, now we know that the move is good, so we can kill
6644 the previous line in Analysis Mode */
6645 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6646 && currentMove < forwardMostMove) {
6647 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6648 else forwardMostMove = currentMove;
6651 /* If we need the chess program but it's dead, restart it */
6652 ResurrectChessProgram();
6654 /* A user move restarts a paused game*/
6658 thinkOutput[0] = NULLCHAR;
6660 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6662 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6663 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6667 if (gameMode == BeginningOfGame) {
6668 if (appData.noChessProgram) {
6669 gameMode = EditGame;
6673 gameMode = MachinePlaysBlack;
6676 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
6678 if (first.sendName) {
6679 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6680 SendToProgram(buf, &first);
6687 /* Relay move to ICS or chess engine */
6688 if (appData.icsActive) {
6689 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6690 gameMode == IcsExamining) {
6691 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6692 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6694 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6696 // also send plain move, in case ICS does not understand atomic claims
6697 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6701 if (first.sendTime && (gameMode == BeginningOfGame ||
6702 gameMode == MachinePlaysWhite ||
6703 gameMode == MachinePlaysBlack)) {
6704 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6706 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6707 // [HGM] book: if program might be playing, let it use book
6708 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6709 first.maybeThinking = TRUE;
6710 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6711 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6712 SendBoard(&first, currentMove+1);
6713 } else SendMoveToProgram(forwardMostMove-1, &first);
6714 if (currentMove == cmailOldMove + 1) {
6715 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6719 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6723 if(appData.testLegality)
6724 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6730 if (WhiteOnMove(currentMove)) {
6731 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6733 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6737 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6742 case MachinePlaysBlack:
6743 case MachinePlaysWhite:
6744 /* disable certain menu options while machine is thinking */
6745 SetMachineThinkingEnables();
6752 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6753 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6755 if(bookHit) { // [HGM] book: simulate book reply
6756 static char bookMove[MSG_SIZ]; // a bit generous?
6758 programStats.nodes = programStats.depth = programStats.time =
6759 programStats.score = programStats.got_only_move = 0;
6760 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6762 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6763 strcat(bookMove, bookHit);
6764 HandleMachineMove(bookMove, &first);
6770 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6777 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6778 Markers *m = (Markers *) closure;
6779 if(rf == fromY && ff == fromX)
6780 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6781 || kind == WhiteCapturesEnPassant
6782 || kind == BlackCapturesEnPassant);
6783 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6787 MarkTargetSquares(int clear)
6790 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6791 !appData.testLegality || gameMode == EditPosition) return;
6793 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6796 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6797 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6798 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6800 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6803 DrawPosition(TRUE, NULL);
6807 Explode(Board board, int fromX, int fromY, int toX, int toY)
6809 if(gameInfo.variant == VariantAtomic &&
6810 (board[toY][toX] != EmptySquare || // capture?
6811 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6812 board[fromY][fromX] == BlackPawn )
6814 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6820 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6822 int CanPromote(ChessSquare piece, int y)
6824 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6825 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6826 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6827 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6828 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6829 gameInfo.variant == VariantMakruk) return FALSE;
6830 return (piece == BlackPawn && y == 1 ||
6831 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6832 piece == BlackLance && y == 1 ||
6833 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6836 void LeftClick(ClickType clickType, int xPix, int yPix)
6839 Boolean saveAnimate;
6840 static int second = 0, promotionChoice = 0, clearFlag = 0;
6841 char promoChoice = NULLCHAR;
6844 if(appData.seekGraph && appData.icsActive && loggedOn &&
6845 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6846 SeekGraphClick(clickType, xPix, yPix, 0);
6850 if (clickType == Press) ErrorPopDown();
6852 x = EventToSquare(xPix, BOARD_WIDTH);
6853 y = EventToSquare(yPix, BOARD_HEIGHT);
6854 if (!flipView && y >= 0) {
6855 y = BOARD_HEIGHT - 1 - y;
6857 if (flipView && x >= 0) {
6858 x = BOARD_WIDTH - 1 - x;
6861 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6862 defaultPromoChoice = promoSweep;
6863 promoSweep = EmptySquare; // terminate sweep
6864 promoDefaultAltered = TRUE;
6865 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6868 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6869 if(clickType == Release) return; // ignore upclick of click-click destination
6870 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6871 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6872 if(gameInfo.holdingsWidth &&
6873 (WhiteOnMove(currentMove)
6874 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6875 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6876 // click in right holdings, for determining promotion piece
6877 ChessSquare p = boards[currentMove][y][x];
6878 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6879 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6880 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6881 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6886 DrawPosition(FALSE, boards[currentMove]);
6890 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6891 if(clickType == Press
6892 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6893 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6894 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6897 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6898 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6900 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6901 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6902 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6903 defaultPromoChoice = DefaultPromoChoice(side);
6906 autoQueen = appData.alwaysPromoteToQueen;
6910 gatingPiece = EmptySquare;
6911 if (clickType != Press) {
6912 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6913 DragPieceEnd(xPix, yPix); dragging = 0;
6914 DrawPosition(FALSE, NULL);
6918 fromX = x; fromY = y; toX = toY = -1;
6919 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6920 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6921 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6923 if (OKToStartUserMove(fromX, fromY)) {
6925 MarkTargetSquares(0);
6926 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6927 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6928 promoSweep = defaultPromoChoice;
6929 selectFlag = 0; lastX = xPix; lastY = yPix;
6930 Sweep(0); // Pawn that is going to promote: preview promotion piece
6931 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6933 if (appData.highlightDragging) {
6934 SetHighlights(fromX, fromY, -1, -1);
6936 } else fromX = fromY = -1;
6942 if (clickType == Press && gameMode != EditPosition) {
6947 // ignore off-board to clicks
6948 if(y < 0 || x < 0) return;
6950 /* Check if clicking again on the same color piece */
6951 fromP = boards[currentMove][fromY][fromX];
6952 toP = boards[currentMove][y][x];
6953 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6954 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6955 WhitePawn <= toP && toP <= WhiteKing &&
6956 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6957 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6958 (BlackPawn <= fromP && fromP <= BlackKing &&
6959 BlackPawn <= toP && toP <= BlackKing &&
6960 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6961 !(fromP == BlackKing && toP == BlackRook && frc))) {
6962 /* Clicked again on same color piece -- changed his mind */
6963 second = (x == fromX && y == fromY);
6964 promoDefaultAltered = FALSE;
6965 MarkTargetSquares(1);
6966 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6967 if (appData.highlightDragging) {
6968 SetHighlights(x, y, -1, -1);
6972 if (OKToStartUserMove(x, y)) {
6973 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6974 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6975 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6976 gatingPiece = boards[currentMove][fromY][fromX];
6977 else gatingPiece = EmptySquare;
6979 fromY = y; dragging = 1;
6980 MarkTargetSquares(0);
6981 DragPieceBegin(xPix, yPix, FALSE);
6982 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6983 promoSweep = defaultPromoChoice;
6984 selectFlag = 0; lastX = xPix; lastY = yPix;
6985 Sweep(0); // Pawn that is going to promote: preview promotion piece
6989 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6992 // ignore clicks on holdings
6993 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6996 if (clickType == Release && x == fromX && y == fromY) {
6997 DragPieceEnd(xPix, yPix); dragging = 0;
6999 // a deferred attempt to click-click move an empty square on top of a piece
7000 boards[currentMove][y][x] = EmptySquare;
7002 DrawPosition(FALSE, boards[currentMove]);
7003 fromX = fromY = -1; clearFlag = 0;
7006 if (appData.animateDragging) {
7007 /* Undo animation damage if any */
7008 DrawPosition(FALSE, NULL);
7011 /* Second up/down in same square; just abort move */
7014 gatingPiece = EmptySquare;
7017 ClearPremoveHighlights();
7019 /* First upclick in same square; start click-click mode */
7020 SetHighlights(x, y, -1, -1);
7027 /* we now have a different from- and (possibly off-board) to-square */
7028 /* Completed move */
7031 saveAnimate = appData.animate;
7032 MarkTargetSquares(1);
7033 if (clickType == Press) {
7034 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7035 // must be Edit Position mode with empty-square selected
7036 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7037 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7040 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7041 ChessSquare piece = boards[currentMove][fromY][fromX];
7042 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7043 promoSweep = defaultPromoChoice;
7044 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7045 selectFlag = 0; lastX = xPix; lastY = yPix;
7046 Sweep(0); // Pawn that is going to promote: preview promotion piece
7047 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7048 DrawPosition(FALSE, boards[currentMove]);
7051 /* Finish clickclick move */
7052 if (appData.animate || appData.highlightLastMove) {
7053 SetHighlights(fromX, fromY, toX, toY);
7058 /* Finish drag move */
7059 if (appData.highlightLastMove) {
7060 SetHighlights(fromX, fromY, toX, toY);
7064 DragPieceEnd(xPix, yPix); dragging = 0;
7065 /* Don't animate move and drag both */
7066 appData.animate = FALSE;
7069 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7070 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7071 ChessSquare piece = boards[currentMove][fromY][fromX];
7072 if(gameMode == EditPosition && piece != EmptySquare &&
7073 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7076 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7077 n = PieceToNumber(piece - (int)BlackPawn);
7078 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7079 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7080 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7082 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7083 n = PieceToNumber(piece);
7084 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7085 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7086 boards[currentMove][n][BOARD_WIDTH-2]++;
7088 boards[currentMove][fromY][fromX] = EmptySquare;
7092 DrawPosition(TRUE, boards[currentMove]);
7096 // off-board moves should not be highlighted
7097 if(x < 0 || y < 0) ClearHighlights();
7099 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7101 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7102 SetHighlights(fromX, fromY, toX, toY);
7103 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7104 // [HGM] super: promotion to captured piece selected from holdings
7105 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7106 promotionChoice = TRUE;
7107 // kludge follows to temporarily execute move on display, without promoting yet
7108 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7109 boards[currentMove][toY][toX] = p;
7110 DrawPosition(FALSE, boards[currentMove]);
7111 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7112 boards[currentMove][toY][toX] = q;
7113 DisplayMessage("Click in holdings to choose piece", "");
7118 int oldMove = currentMove;
7119 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7120 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7121 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7122 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7123 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7124 DrawPosition(TRUE, boards[currentMove]);
7127 appData.animate = saveAnimate;
7128 if (appData.animate || appData.animateDragging) {
7129 /* Undo animation damage if needed */
7130 DrawPosition(FALSE, NULL);
7134 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7135 { // front-end-free part taken out of PieceMenuPopup
7136 int whichMenu; int xSqr, ySqr;
7138 if(seekGraphUp) { // [HGM] seekgraph
7139 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7140 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7144 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7145 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7146 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7147 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7148 if(action == Press) {
7149 originalFlip = flipView;
7150 flipView = !flipView; // temporarily flip board to see game from partners perspective
7151 DrawPosition(TRUE, partnerBoard);
7152 DisplayMessage(partnerStatus, "");
7154 } else if(action == Release) {
7155 flipView = originalFlip;
7156 DrawPosition(TRUE, boards[currentMove]);
7162 xSqr = EventToSquare(x, BOARD_WIDTH);
7163 ySqr = EventToSquare(y, BOARD_HEIGHT);
7164 if (action == Release) {
7165 if(pieceSweep != EmptySquare) {
7166 EditPositionMenuEvent(pieceSweep, toX, toY);
7167 pieceSweep = EmptySquare;
7168 } else UnLoadPV(); // [HGM] pv
7170 if (action != Press) return -2; // return code to be ignored
7173 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7175 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7176 if (xSqr < 0 || ySqr < 0) return -1;
7177 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7178 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7179 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7180 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7184 if(!appData.icsEngineAnalyze) return -1;
7185 case IcsPlayingWhite:
7186 case IcsPlayingBlack:
7187 if(!appData.zippyPlay) goto noZip;
7190 case MachinePlaysWhite:
7191 case MachinePlaysBlack:
7192 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7193 if (!appData.dropMenu) {
7195 return 2; // flag front-end to grab mouse events
7197 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7198 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7201 if (xSqr < 0 || ySqr < 0) return -1;
7202 if (!appData.dropMenu || appData.testLegality &&
7203 gameInfo.variant != VariantBughouse &&
7204 gameInfo.variant != VariantCrazyhouse) return -1;
7205 whichMenu = 1; // drop menu
7211 if (((*fromX = xSqr) < 0) ||
7212 ((*fromY = ySqr) < 0)) {
7213 *fromX = *fromY = -1;
7217 *fromX = BOARD_WIDTH - 1 - *fromX;
7219 *fromY = BOARD_HEIGHT - 1 - *fromY;
7224 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7226 // char * hint = lastHint;
7227 FrontEndProgramStats stats;
7229 stats.which = cps == &first ? 0 : 1;
7230 stats.depth = cpstats->depth;
7231 stats.nodes = cpstats->nodes;
7232 stats.score = cpstats->score;
7233 stats.time = cpstats->time;
7234 stats.pv = cpstats->movelist;
7235 stats.hint = lastHint;
7236 stats.an_move_index = 0;
7237 stats.an_move_count = 0;
7239 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7240 stats.hint = cpstats->move_name;
7241 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7242 stats.an_move_count = cpstats->nr_moves;
7245 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
7247 SetProgramStats( &stats );
7251 ClearEngineOutputPane(int which)
7253 static FrontEndProgramStats dummyStats;
7254 dummyStats.which = which;
7255 dummyStats.pv = "#";
7256 SetProgramStats( &dummyStats );
7259 #define MAXPLAYERS 500
7262 TourneyStandings(int display)
7264 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7265 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7266 char result, *p, *names[MAXPLAYERS];
7268 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7269 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7270 names[0] = p = strdup(appData.participants);
7271 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7273 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7275 while(result = appData.results[nr]) {
7276 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7277 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7278 wScore = bScore = 0;
7280 case '+': wScore = 2; break;
7281 case '-': bScore = 2; break;
7282 case '=': wScore = bScore = 1; break;
7284 case '*': return strdup("busy"); // tourney not finished
7292 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7293 for(w=0; w<nPlayers; w++) {
7295 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7296 ranking[w] = b; points[w] = bScore; score[b] = -2;
7298 p = malloc(nPlayers*34+1);
7299 for(w=0; w<nPlayers && w<display; w++)
7300 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7306 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7307 { // count all piece types
7309 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7310 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7311 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7314 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7315 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7316 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7317 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7318 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7319 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7324 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7326 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7327 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7329 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7330 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7331 if(myPawns == 2 && nMine == 3) // KPP
7332 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7333 if(myPawns == 1 && nMine == 2) // KP
7334 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7335 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7336 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7337 if(myPawns) return FALSE;
7338 if(pCnt[WhiteRook+side])
7339 return pCnt[BlackRook-side] ||
7340 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7341 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7342 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7343 if(pCnt[WhiteCannon+side]) {
7344 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7345 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7347 if(pCnt[WhiteKnight+side])
7348 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7353 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7355 VariantClass v = gameInfo.variant;
7357 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7358 if(v == VariantShatranj) return TRUE; // always winnable through baring
7359 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7360 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7362 if(v == VariantXiangqi) {
7363 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7365 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7366 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7367 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7368 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7369 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7370 if(stale) // we have at least one last-rank P plus perhaps C
7371 return majors // KPKX
7372 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7374 return pCnt[WhiteFerz+side] // KCAK
7375 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7376 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7377 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7379 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7380 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7382 if(nMine == 1) return FALSE; // bare King
7383 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
7384 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7385 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7386 // by now we have King + 1 piece (or multiple Bishops on the same color)
7387 if(pCnt[WhiteKnight+side])
7388 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7389 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7390 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7392 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7393 if(pCnt[WhiteAlfil+side])
7394 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7395 if(pCnt[WhiteWazir+side])
7396 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7403 CompareWithRights(Board b1, Board b2)
7406 if(!CompareBoards(b1, b2)) return FALSE;
7407 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7408 /* compare castling rights */
7409 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7410 rights++; /* King lost rights, while rook still had them */
7411 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7412 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7413 rights++; /* but at least one rook lost them */
7415 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7417 if( b1[CASTLING][5] != NoRights ) {
7418 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7425 Adjudicate(ChessProgramState *cps)
7426 { // [HGM] some adjudications useful with buggy engines
7427 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7428 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7429 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7430 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7431 int k, count = 0; static int bare = 1;
7432 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7433 Boolean canAdjudicate = !appData.icsActive;
7435 // most tests only when we understand the game, i.e. legality-checking on
7436 if( appData.testLegality )
7437 { /* [HGM] Some more adjudications for obstinate engines */
7438 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7439 static int moveCount = 6;
7441 char *reason = NULL;
7443 /* Count what is on board. */
7444 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7446 /* Some material-based adjudications that have to be made before stalemate test */
7447 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7448 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7449 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7450 if(canAdjudicate && appData.checkMates) {
7452 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7453 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7454 "Xboard adjudication: King destroyed", GE_XBOARD );
7459 /* Bare King in Shatranj (loses) or Losers (wins) */
7460 if( nrW == 1 || nrB == 1) {
7461 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7462 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7463 if(canAdjudicate && appData.checkMates) {
7465 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7466 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7467 "Xboard adjudication: Bare king", GE_XBOARD );
7471 if( gameInfo.variant == VariantShatranj && --bare < 0)
7473 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7474 if(canAdjudicate && appData.checkMates) {
7475 /* but only adjudicate if adjudication enabled */
7477 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7478 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7479 "Xboard adjudication: Bare king", GE_XBOARD );
7486 // don't wait for engine to announce game end if we can judge ourselves
7487 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7489 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7490 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7491 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7492 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7495 reason = "Xboard adjudication: 3rd check";
7496 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7506 reason = "Xboard adjudication: Stalemate";
7507 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7508 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7509 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7510 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7511 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7512 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7513 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7514 EP_CHECKMATE : EP_WINS);
7515 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7516 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7520 reason = "Xboard adjudication: Checkmate";
7521 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7525 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7527 result = GameIsDrawn; break;
7529 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7531 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7535 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7537 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7538 GameEnds( result, reason, GE_XBOARD );
7542 /* Next absolutely insufficient mating material. */
7543 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7544 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7545 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7547 /* always flag draws, for judging claims */
7548 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7550 if(canAdjudicate && appData.materialDraws) {
7551 /* but only adjudicate them if adjudication enabled */
7552 if(engineOpponent) {
7553 SendToProgram("force\n", engineOpponent); // suppress reply
7554 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7556 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7561 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7562 if(gameInfo.variant == VariantXiangqi ?
7563 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7565 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7566 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7567 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7568 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7570 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7571 { /* if the first 3 moves do not show a tactical win, declare draw */
7572 if(engineOpponent) {
7573 SendToProgram("force\n", engineOpponent); // suppress reply
7574 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7576 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7579 } else moveCount = 6;
7581 if (appData.debugMode) { int i;
7582 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7583 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7584 appData.drawRepeats);
7585 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7586 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7590 // Repetition draws and 50-move rule can be applied independently of legality testing
7592 /* Check for rep-draws */
7594 for(k = forwardMostMove-2;
7595 k>=backwardMostMove && k>=forwardMostMove-100 &&
7596 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7597 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7600 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7601 /* compare castling rights */
7602 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7603 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7604 rights++; /* King lost rights, while rook still had them */
7605 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7606 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7607 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7608 rights++; /* but at least one rook lost them */
7610 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7611 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7613 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7614 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7615 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7618 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7619 && appData.drawRepeats > 1) {
7620 /* adjudicate after user-specified nr of repeats */
7621 int result = GameIsDrawn;
7622 char *details = "XBoard adjudication: repetition draw";
7623 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7624 // [HGM] xiangqi: check for forbidden perpetuals
7625 int m, ourPerpetual = 1, hisPerpetual = 1;
7626 for(m=forwardMostMove; m>k; m-=2) {
7627 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7628 ourPerpetual = 0; // the current mover did not always check
7629 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7630 hisPerpetual = 0; // the opponent did not always check
7632 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7633 ourPerpetual, hisPerpetual);
7634 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7635 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7636 details = "Xboard adjudication: perpetual checking";
7638 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7639 break; // (or we would have caught him before). Abort repetition-checking loop.
7641 // Now check for perpetual chases
7642 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7643 hisPerpetual = PerpetualChase(k, forwardMostMove);
7644 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7645 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7646 static char resdet[MSG_SIZ];
7647 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7649 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7651 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7652 break; // Abort repetition-checking loop.
7654 // if neither of us is checking or chasing all the time, or both are, it is draw
7656 if(engineOpponent) {
7657 SendToProgram("force\n", engineOpponent); // suppress reply
7658 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7660 GameEnds( result, details, GE_XBOARD );
7663 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7664 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7668 /* Now we test for 50-move draws. Determine ply count */
7669 count = forwardMostMove;
7670 /* look for last irreversble move */
7671 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7673 /* if we hit starting position, add initial plies */
7674 if( count == backwardMostMove )
7675 count -= initialRulePlies;
7676 count = forwardMostMove - count;
7677 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7678 // adjust reversible move counter for checks in Xiangqi
7679 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7680 if(i < backwardMostMove) i = backwardMostMove;
7681 while(i <= forwardMostMove) {
7682 lastCheck = inCheck; // check evasion does not count
7683 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7684 if(inCheck || lastCheck) count--; // check does not count
7689 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7690 /* this is used to judge if draw claims are legal */
7691 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7692 if(engineOpponent) {
7693 SendToProgram("force\n", engineOpponent); // suppress reply
7694 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7696 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7700 /* if draw offer is pending, treat it as a draw claim
7701 * when draw condition present, to allow engines a way to
7702 * claim draws before making their move to avoid a race
7703 * condition occurring after their move
7705 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7707 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7708 p = "Draw claim: 50-move rule";
7709 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7710 p = "Draw claim: 3-fold repetition";
7711 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7712 p = "Draw claim: insufficient mating material";
7713 if( p != NULL && canAdjudicate) {
7714 if(engineOpponent) {
7715 SendToProgram("force\n", engineOpponent); // suppress reply
7716 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7718 GameEnds( GameIsDrawn, p, GE_XBOARD );
7723 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7724 if(engineOpponent) {
7725 SendToProgram("force\n", engineOpponent); // suppress reply
7726 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7728 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7734 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7735 { // [HGM] book: this routine intercepts moves to simulate book replies
7736 char *bookHit = NULL;
7738 //first determine if the incoming move brings opponent into his book
7739 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7740 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7741 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7742 if(bookHit != NULL && !cps->bookSuspend) {
7743 // make sure opponent is not going to reply after receiving move to book position
7744 SendToProgram("force\n", cps);
7745 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7747 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7748 // now arrange restart after book miss
7750 // after a book hit we never send 'go', and the code after the call to this routine
7751 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7752 char buf[MSG_SIZ], *move = bookHit;
7754 int fromX, fromY, toX, toY;
7758 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7759 &fromX, &fromY, &toX, &toY, &promoChar)) {
7760 (void) CoordsToAlgebraic(boards[forwardMostMove],
7761 PosFlags(forwardMostMove),
7762 fromY, fromX, toY, toX, promoChar, move);
7764 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7768 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7769 SendToProgram(buf, cps);
7770 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7771 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7772 SendToProgram("go\n", cps);
7773 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7774 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7775 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7776 SendToProgram("go\n", cps);
7777 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7779 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7783 ChessProgramState *savedState;
7784 void DeferredBookMove(void)
7786 if(savedState->lastPing != savedState->lastPong)
7787 ScheduleDelayedEvent(DeferredBookMove, 10);
7789 HandleMachineMove(savedMessage, savedState);
7792 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7795 HandleMachineMove(message, cps)
7797 ChessProgramState *cps;
7799 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7800 char realname[MSG_SIZ];
7801 int fromX, fromY, toX, toY;
7808 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7809 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7810 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7811 DisplayError(_("Invalid pairing from pairing engine"), 0);
7814 pairingReceived = 1;
7816 return; // Skim the pairing messages here.
7821 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7823 * Kludge to ignore BEL characters
7825 while (*message == '\007') message++;
7828 * [HGM] engine debug message: ignore lines starting with '#' character
7830 if(cps->debug && *message == '#') return;
7833 * Look for book output
7835 if (cps == &first && bookRequested) {
7836 if (message[0] == '\t' || message[0] == ' ') {
7837 /* Part of the book output is here; append it */
7838 strcat(bookOutput, message);
7839 strcat(bookOutput, " \n");
7841 } else if (bookOutput[0] != NULLCHAR) {
7842 /* All of book output has arrived; display it */
7843 char *p = bookOutput;
7844 while (*p != NULLCHAR) {
7845 if (*p == '\t') *p = ' ';
7848 DisplayInformation(bookOutput);
7849 bookRequested = FALSE;
7850 /* Fall through to parse the current output */
7855 * Look for machine move.
7857 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7858 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7860 /* This method is only useful on engines that support ping */
7861 if (cps->lastPing != cps->lastPong) {
7862 if (gameMode == BeginningOfGame) {
7863 /* Extra move from before last new; ignore */
7864 if (appData.debugMode) {
7865 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7868 if (appData.debugMode) {
7869 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7870 cps->which, gameMode);
7873 SendToProgram("undo\n", cps);
7879 case BeginningOfGame:
7880 /* Extra move from before last reset; ignore */
7881 if (appData.debugMode) {
7882 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7889 /* Extra move after we tried to stop. The mode test is
7890 not a reliable way of detecting this problem, but it's
7891 the best we can do on engines that don't support ping.
7893 if (appData.debugMode) {
7894 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7895 cps->which, gameMode);
7897 SendToProgram("undo\n", cps);
7900 case MachinePlaysWhite:
7901 case IcsPlayingWhite:
7902 machineWhite = TRUE;
7905 case MachinePlaysBlack:
7906 case IcsPlayingBlack:
7907 machineWhite = FALSE;
7910 case TwoMachinesPlay:
7911 machineWhite = (cps->twoMachinesColor[0] == 'w');
7914 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7915 if (appData.debugMode) {
7917 "Ignoring move out of turn by %s, gameMode %d"
7918 ", forwardMost %d\n",
7919 cps->which, gameMode, forwardMostMove);
7924 if (appData.debugMode) { int f = forwardMostMove;
7925 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7926 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7927 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7929 if(cps->alphaRank) AlphaRank(machineMove, 4);
7930 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7931 &fromX, &fromY, &toX, &toY, &promoChar)) {
7932 /* Machine move could not be parsed; ignore it. */
7933 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7934 machineMove, _(cps->which));
7935 DisplayError(buf1, 0);
7936 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7937 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7938 if (gameMode == TwoMachinesPlay) {
7939 GameEnds(machineWhite ? BlackWins : WhiteWins,
7945 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7946 /* So we have to redo legality test with true e.p. status here, */
7947 /* to make sure an illegal e.p. capture does not slip through, */
7948 /* to cause a forfeit on a justified illegal-move complaint */
7949 /* of the opponent. */
7950 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7952 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7953 fromY, fromX, toY, toX, promoChar);
7954 if (appData.debugMode) {
7956 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7957 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7958 fprintf(debugFP, "castling rights\n");
7960 if(moveType == IllegalMove) {
7961 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7962 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7963 GameEnds(machineWhite ? BlackWins : WhiteWins,
7966 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7967 /* [HGM] Kludge to handle engines that send FRC-style castling
7968 when they shouldn't (like TSCP-Gothic) */
7970 case WhiteASideCastleFR:
7971 case BlackASideCastleFR:
7973 currentMoveString[2]++;
7975 case WhiteHSideCastleFR:
7976 case BlackHSideCastleFR:
7978 currentMoveString[2]--;
7980 default: ; // nothing to do, but suppresses warning of pedantic compilers
7983 hintRequested = FALSE;
7984 lastHint[0] = NULLCHAR;
7985 bookRequested = FALSE;
7986 /* Program may be pondering now */
7987 cps->maybeThinking = TRUE;
7988 if (cps->sendTime == 2) cps->sendTime = 1;
7989 if (cps->offeredDraw) cps->offeredDraw--;
7991 /* [AS] Save move info*/
7992 pvInfoList[ forwardMostMove ].score = programStats.score;
7993 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7994 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7996 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7998 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7999 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8002 while( count < adjudicateLossPlies ) {
8003 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8006 score = -score; /* Flip score for winning side */
8009 if( score > adjudicateLossThreshold ) {
8016 if( count >= adjudicateLossPlies ) {
8017 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8019 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8020 "Xboard adjudication",
8027 if(Adjudicate(cps)) {
8028 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8029 return; // [HGM] adjudicate: for all automatic game ends
8033 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8035 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8036 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8038 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8040 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8042 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8043 char buf[3*MSG_SIZ];
8045 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8046 programStats.score / 100.,
8048 programStats.time / 100.,
8049 (unsigned int)programStats.nodes,
8050 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8051 programStats.movelist);
8053 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8058 /* [AS] Clear stats for next move */
8059 ClearProgramStats();
8060 thinkOutput[0] = NULLCHAR;
8061 hiddenThinkOutputState = 0;
8064 if (gameMode == TwoMachinesPlay) {
8065 /* [HGM] relaying draw offers moved to after reception of move */
8066 /* and interpreting offer as claim if it brings draw condition */
8067 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8068 SendToProgram("draw\n", cps->other);
8070 if (cps->other->sendTime) {
8071 SendTimeRemaining(cps->other,
8072 cps->other->twoMachinesColor[0] == 'w');
8074 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8075 if (firstMove && !bookHit) {
8077 if (cps->other->useColors) {
8078 SendToProgram(cps->other->twoMachinesColor, cps->other);
8080 SendToProgram("go\n", cps->other);
8082 cps->other->maybeThinking = TRUE;
8085 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8087 if (!pausing && appData.ringBellAfterMoves) {
8092 * Reenable menu items that were disabled while
8093 * machine was thinking
8095 if (gameMode != TwoMachinesPlay)
8096 SetUserThinkingEnables();
8098 // [HGM] book: after book hit opponent has received move and is now in force mode
8099 // force the book reply into it, and then fake that it outputted this move by jumping
8100 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8102 static char bookMove[MSG_SIZ]; // a bit generous?
8104 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8105 strcat(bookMove, bookHit);
8108 programStats.nodes = programStats.depth = programStats.time =
8109 programStats.score = programStats.got_only_move = 0;
8110 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8112 if(cps->lastPing != cps->lastPong) {
8113 savedMessage = message; // args for deferred call
8115 ScheduleDelayedEvent(DeferredBookMove, 10);
8124 /* Set special modes for chess engines. Later something general
8125 * could be added here; for now there is just one kludge feature,
8126 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8127 * when "xboard" is given as an interactive command.
8129 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8130 cps->useSigint = FALSE;
8131 cps->useSigterm = FALSE;
8133 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8134 ParseFeatures(message+8, cps);
8135 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8138 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8139 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8140 int dummy, s=6; char buf[MSG_SIZ];
8141 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8142 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8143 if(startedFromSetupPosition) return;
8144 ParseFEN(boards[0], &dummy, message+s);
8145 DrawPosition(TRUE, boards[0]);
8146 startedFromSetupPosition = TRUE;
8149 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8150 * want this, I was asked to put it in, and obliged.
8152 if (!strncmp(message, "setboard ", 9)) {
8153 Board initial_position;
8155 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8157 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8158 DisplayError(_("Bad FEN received from engine"), 0);
8162 CopyBoard(boards[0], initial_position);
8163 initialRulePlies = FENrulePlies;
8164 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8165 else gameMode = MachinePlaysBlack;
8166 DrawPosition(FALSE, boards[currentMove]);
8172 * Look for communication commands
8174 if (!strncmp(message, "telluser ", 9)) {
8175 if(message[9] == '\\' && message[10] == '\\')
8176 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8178 DisplayNote(message + 9);
8181 if (!strncmp(message, "tellusererror ", 14)) {
8183 if(message[14] == '\\' && message[15] == '\\')
8184 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8186 DisplayError(message + 14, 0);
8189 if (!strncmp(message, "tellopponent ", 13)) {
8190 if (appData.icsActive) {
8192 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8196 DisplayNote(message + 13);
8200 if (!strncmp(message, "tellothers ", 11)) {
8201 if (appData.icsActive) {
8203 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8209 if (!strncmp(message, "tellall ", 8)) {
8210 if (appData.icsActive) {
8212 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8216 DisplayNote(message + 8);
8220 if (strncmp(message, "warning", 7) == 0) {
8221 /* Undocumented feature, use tellusererror in new code */
8222 DisplayError(message, 0);
8225 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8226 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8227 strcat(realname, " query");
8228 AskQuestion(realname, buf2, buf1, cps->pr);
8231 /* Commands from the engine directly to ICS. We don't allow these to be
8232 * sent until we are logged on. Crafty kibitzes have been known to
8233 * interfere with the login process.
8236 if (!strncmp(message, "tellics ", 8)) {
8237 SendToICS(message + 8);
8241 if (!strncmp(message, "tellicsnoalias ", 15)) {
8242 SendToICS(ics_prefix);
8243 SendToICS(message + 15);
8247 /* The following are for backward compatibility only */
8248 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8249 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8250 SendToICS(ics_prefix);
8256 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8260 * If the move is illegal, cancel it and redraw the board.
8261 * Also deal with other error cases. Matching is rather loose
8262 * here to accommodate engines written before the spec.
8264 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8265 strncmp(message, "Error", 5) == 0) {
8266 if (StrStr(message, "name") ||
8267 StrStr(message, "rating") || StrStr(message, "?") ||
8268 StrStr(message, "result") || StrStr(message, "board") ||
8269 StrStr(message, "bk") || StrStr(message, "computer") ||
8270 StrStr(message, "variant") || StrStr(message, "hint") ||
8271 StrStr(message, "random") || StrStr(message, "depth") ||
8272 StrStr(message, "accepted")) {
8275 if (StrStr(message, "protover")) {
8276 /* Program is responding to input, so it's apparently done
8277 initializing, and this error message indicates it is
8278 protocol version 1. So we don't need to wait any longer
8279 for it to initialize and send feature commands. */
8280 FeatureDone(cps, 1);
8281 cps->protocolVersion = 1;
8284 cps->maybeThinking = FALSE;
8286 if (StrStr(message, "draw")) {
8287 /* Program doesn't have "draw" command */
8288 cps->sendDrawOffers = 0;
8291 if (cps->sendTime != 1 &&
8292 (StrStr(message, "time") || StrStr(message, "otim"))) {
8293 /* Program apparently doesn't have "time" or "otim" command */
8297 if (StrStr(message, "analyze")) {
8298 cps->analysisSupport = FALSE;
8299 cps->analyzing = FALSE;
8300 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8301 EditGameEvent(); // [HGM] try to preserve loaded game
8302 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8303 DisplayError(buf2, 0);
8306 if (StrStr(message, "(no matching move)st")) {
8307 /* Special kludge for GNU Chess 4 only */
8308 cps->stKludge = TRUE;
8309 SendTimeControl(cps, movesPerSession, timeControl,
8310 timeIncrement, appData.searchDepth,
8314 if (StrStr(message, "(no matching move)sd")) {
8315 /* Special kludge for GNU Chess 4 only */
8316 cps->sdKludge = TRUE;
8317 SendTimeControl(cps, movesPerSession, timeControl,
8318 timeIncrement, appData.searchDepth,
8322 if (!StrStr(message, "llegal")) {
8325 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8326 gameMode == IcsIdle) return;
8327 if (forwardMostMove <= backwardMostMove) return;
8328 if (pausing) PauseEvent();
8329 if(appData.forceIllegal) {
8330 // [HGM] illegal: machine refused move; force position after move into it
8331 SendToProgram("force\n", cps);
8332 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8333 // we have a real problem now, as SendBoard will use the a2a3 kludge
8334 // when black is to move, while there might be nothing on a2 or black
8335 // might already have the move. So send the board as if white has the move.
8336 // But first we must change the stm of the engine, as it refused the last move
8337 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8338 if(WhiteOnMove(forwardMostMove)) {
8339 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8340 SendBoard(cps, forwardMostMove); // kludgeless board
8342 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8343 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8344 SendBoard(cps, forwardMostMove+1); // kludgeless board
8346 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8347 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8348 gameMode == TwoMachinesPlay)
8349 SendToProgram("go\n", cps);
8352 if (gameMode == PlayFromGameFile) {
8353 /* Stop reading this game file */
8354 gameMode = EditGame;
8357 /* [HGM] illegal-move claim should forfeit game when Xboard */
8358 /* only passes fully legal moves */
8359 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8360 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8361 "False illegal-move claim", GE_XBOARD );
8362 return; // do not take back move we tested as valid
8364 currentMove = forwardMostMove-1;
8365 DisplayMove(currentMove-1); /* before DisplayMoveError */
8366 SwitchClocks(forwardMostMove-1); // [HGM] race
8367 DisplayBothClocks();
8368 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8369 parseList[currentMove], _(cps->which));
8370 DisplayMoveError(buf1);
8371 DrawPosition(FALSE, boards[currentMove]);
8373 SetUserThinkingEnables();
8376 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8377 /* Program has a broken "time" command that
8378 outputs a string not ending in newline.
8384 * If chess program startup fails, exit with an error message.
8385 * Attempts to recover here are futile.
8387 if ((StrStr(message, "unknown host") != NULL)
8388 || (StrStr(message, "No remote directory") != NULL)
8389 || (StrStr(message, "not found") != NULL)
8390 || (StrStr(message, "No such file") != NULL)
8391 || (StrStr(message, "can't alloc") != NULL)
8392 || (StrStr(message, "Permission denied") != NULL)) {
8394 cps->maybeThinking = FALSE;
8395 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8396 _(cps->which), cps->program, cps->host, message);
8397 RemoveInputSource(cps->isr);
8398 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8399 if(cps == &first) appData.noChessProgram = TRUE;
8400 DisplayError(buf1, 0);
8406 * Look for hint output
8408 if (sscanf(message, "Hint: %s", buf1) == 1) {
8409 if (cps == &first && hintRequested) {
8410 hintRequested = FALSE;
8411 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8412 &fromX, &fromY, &toX, &toY, &promoChar)) {
8413 (void) CoordsToAlgebraic(boards[forwardMostMove],
8414 PosFlags(forwardMostMove),
8415 fromY, fromX, toY, toX, promoChar, buf1);
8416 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8417 DisplayInformation(buf2);
8419 /* Hint move could not be parsed!? */
8420 snprintf(buf2, sizeof(buf2),
8421 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8422 buf1, _(cps->which));
8423 DisplayError(buf2, 0);
8426 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8432 * Ignore other messages if game is not in progress
8434 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8435 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8438 * look for win, lose, draw, or draw offer
8440 if (strncmp(message, "1-0", 3) == 0) {
8441 char *p, *q, *r = "";
8442 p = strchr(message, '{');
8450 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8452 } else if (strncmp(message, "0-1", 3) == 0) {
8453 char *p, *q, *r = "";
8454 p = strchr(message, '{');
8462 /* Kludge for Arasan 4.1 bug */
8463 if (strcmp(r, "Black resigns") == 0) {
8464 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8467 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8469 } else if (strncmp(message, "1/2", 3) == 0) {
8470 char *p, *q, *r = "";
8471 p = strchr(message, '{');
8480 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8483 } else if (strncmp(message, "White resign", 12) == 0) {
8484 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8486 } else if (strncmp(message, "Black resign", 12) == 0) {
8487 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8489 } else if (strncmp(message, "White matches", 13) == 0 ||
8490 strncmp(message, "Black matches", 13) == 0 ) {
8491 /* [HGM] ignore GNUShogi noises */
8493 } else if (strncmp(message, "White", 5) == 0 &&
8494 message[5] != '(' &&
8495 StrStr(message, "Black") == NULL) {
8496 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8498 } else if (strncmp(message, "Black", 5) == 0 &&
8499 message[5] != '(') {
8500 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8502 } else if (strcmp(message, "resign") == 0 ||
8503 strcmp(message, "computer resigns") == 0) {
8505 case MachinePlaysBlack:
8506 case IcsPlayingBlack:
8507 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8509 case MachinePlaysWhite:
8510 case IcsPlayingWhite:
8511 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8513 case TwoMachinesPlay:
8514 if (cps->twoMachinesColor[0] == 'w')
8515 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8517 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8524 } else if (strncmp(message, "opponent mates", 14) == 0) {
8526 case MachinePlaysBlack:
8527 case IcsPlayingBlack:
8528 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8530 case MachinePlaysWhite:
8531 case IcsPlayingWhite:
8532 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8534 case TwoMachinesPlay:
8535 if (cps->twoMachinesColor[0] == 'w')
8536 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8538 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8545 } else if (strncmp(message, "computer mates", 14) == 0) {
8547 case MachinePlaysBlack:
8548 case IcsPlayingBlack:
8549 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8551 case MachinePlaysWhite:
8552 case IcsPlayingWhite:
8553 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8555 case TwoMachinesPlay:
8556 if (cps->twoMachinesColor[0] == 'w')
8557 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8559 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8566 } else if (strncmp(message, "checkmate", 9) == 0) {
8567 if (WhiteOnMove(forwardMostMove)) {
8568 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8570 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8573 } else if (strstr(message, "Draw") != NULL ||
8574 strstr(message, "game is a draw") != NULL) {
8575 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8577 } else if (strstr(message, "offer") != NULL &&
8578 strstr(message, "draw") != NULL) {
8580 if (appData.zippyPlay && first.initDone) {
8581 /* Relay offer to ICS */
8582 SendToICS(ics_prefix);
8583 SendToICS("draw\n");
8586 cps->offeredDraw = 2; /* valid until this engine moves twice */
8587 if (gameMode == TwoMachinesPlay) {
8588 if (cps->other->offeredDraw) {
8589 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8590 /* [HGM] in two-machine mode we delay relaying draw offer */
8591 /* until after we also have move, to see if it is really claim */
8593 } else if (gameMode == MachinePlaysWhite ||
8594 gameMode == MachinePlaysBlack) {
8595 if (userOfferedDraw) {
8596 DisplayInformation(_("Machine accepts your draw offer"));
8597 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8599 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8606 * Look for thinking output
8608 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8609 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8611 int plylev, mvleft, mvtot, curscore, time;
8612 char mvname[MOVE_LEN];
8616 int prefixHint = FALSE;
8617 mvname[0] = NULLCHAR;
8620 case MachinePlaysBlack:
8621 case IcsPlayingBlack:
8622 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8624 case MachinePlaysWhite:
8625 case IcsPlayingWhite:
8626 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8631 case IcsObserving: /* [DM] icsEngineAnalyze */
8632 if (!appData.icsEngineAnalyze) ignore = TRUE;
8634 case TwoMachinesPlay:
8635 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8645 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8647 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8648 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8650 if (plyext != ' ' && plyext != '\t') {
8654 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8655 if( cps->scoreIsAbsolute &&
8656 ( gameMode == MachinePlaysBlack ||
8657 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8658 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8659 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8660 !WhiteOnMove(currentMove)
8663 curscore = -curscore;
8666 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8668 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8671 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8672 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8673 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8674 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8675 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8676 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8678 } else DisplayError(_("failed writing PV"), 0);
8681 tempStats.depth = plylev;
8682 tempStats.nodes = nodes;
8683 tempStats.time = time;
8684 tempStats.score = curscore;
8685 tempStats.got_only_move = 0;
8687 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8690 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8691 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8692 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8693 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8694 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8695 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8696 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8697 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8700 /* Buffer overflow protection */
8701 if (pv[0] != NULLCHAR) {
8702 if (strlen(pv) >= sizeof(tempStats.movelist)
8703 && appData.debugMode) {
8705 "PV is too long; using the first %u bytes.\n",
8706 (unsigned) sizeof(tempStats.movelist) - 1);
8709 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8711 sprintf(tempStats.movelist, " no PV\n");
8714 if (tempStats.seen_stat) {
8715 tempStats.ok_to_send = 1;
8718 if (strchr(tempStats.movelist, '(') != NULL) {
8719 tempStats.line_is_book = 1;
8720 tempStats.nr_moves = 0;
8721 tempStats.moves_left = 0;
8723 tempStats.line_is_book = 0;
8726 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8727 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8729 SendProgramStatsToFrontend( cps, &tempStats );
8732 [AS] Protect the thinkOutput buffer from overflow... this
8733 is only useful if buf1 hasn't overflowed first!
8735 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8737 (gameMode == TwoMachinesPlay ?
8738 ToUpper(cps->twoMachinesColor[0]) : ' '),
8739 ((double) curscore) / 100.0,
8740 prefixHint ? lastHint : "",
8741 prefixHint ? " " : "" );
8743 if( buf1[0] != NULLCHAR ) {
8744 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8746 if( strlen(pv) > max_len ) {
8747 if( appData.debugMode) {
8748 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8750 pv[max_len+1] = '\0';
8753 strcat( thinkOutput, pv);
8756 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8757 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8758 DisplayMove(currentMove - 1);
8762 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8763 /* crafty (9.25+) says "(only move) <move>"
8764 * if there is only 1 legal move
8766 sscanf(p, "(only move) %s", buf1);
8767 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8768 sprintf(programStats.movelist, "%s (only move)", buf1);
8769 programStats.depth = 1;
8770 programStats.nr_moves = 1;
8771 programStats.moves_left = 1;
8772 programStats.nodes = 1;
8773 programStats.time = 1;
8774 programStats.got_only_move = 1;
8776 /* Not really, but we also use this member to
8777 mean "line isn't going to change" (Crafty
8778 isn't searching, so stats won't change) */
8779 programStats.line_is_book = 1;
8781 SendProgramStatsToFrontend( cps, &programStats );
8783 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8784 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8785 DisplayMove(currentMove - 1);
8788 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8789 &time, &nodes, &plylev, &mvleft,
8790 &mvtot, mvname) >= 5) {
8791 /* The stat01: line is from Crafty (9.29+) in response
8792 to the "." command */
8793 programStats.seen_stat = 1;
8794 cps->maybeThinking = TRUE;
8796 if (programStats.got_only_move || !appData.periodicUpdates)
8799 programStats.depth = plylev;
8800 programStats.time = time;
8801 programStats.nodes = nodes;
8802 programStats.moves_left = mvleft;
8803 programStats.nr_moves = mvtot;
8804 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8805 programStats.ok_to_send = 1;
8806 programStats.movelist[0] = '\0';
8808 SendProgramStatsToFrontend( cps, &programStats );
8812 } else if (strncmp(message,"++",2) == 0) {
8813 /* Crafty 9.29+ outputs this */
8814 programStats.got_fail = 2;
8817 } else if (strncmp(message,"--",2) == 0) {
8818 /* Crafty 9.29+ outputs this */
8819 programStats.got_fail = 1;
8822 } else if (thinkOutput[0] != NULLCHAR &&
8823 strncmp(message, " ", 4) == 0) {
8824 unsigned message_len;
8827 while (*p && *p == ' ') p++;
8829 message_len = strlen( p );
8831 /* [AS] Avoid buffer overflow */
8832 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8833 strcat(thinkOutput, " ");
8834 strcat(thinkOutput, p);
8837 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8838 strcat(programStats.movelist, " ");
8839 strcat(programStats.movelist, p);
8842 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8843 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8844 DisplayMove(currentMove - 1);
8852 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8853 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8855 ChessProgramStats cpstats;
8857 if (plyext != ' ' && plyext != '\t') {
8861 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8862 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8863 curscore = -curscore;
8866 cpstats.depth = plylev;
8867 cpstats.nodes = nodes;
8868 cpstats.time = time;
8869 cpstats.score = curscore;
8870 cpstats.got_only_move = 0;
8871 cpstats.movelist[0] = '\0';
8873 if (buf1[0] != NULLCHAR) {
8874 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8877 cpstats.ok_to_send = 0;
8878 cpstats.line_is_book = 0;
8879 cpstats.nr_moves = 0;
8880 cpstats.moves_left = 0;
8882 SendProgramStatsToFrontend( cps, &cpstats );
8889 /* Parse a game score from the character string "game", and
8890 record it as the history of the current game. The game
8891 score is NOT assumed to start from the standard position.
8892 The display is not updated in any way.
8895 ParseGameHistory(game)
8899 int fromX, fromY, toX, toY, boardIndex;
8904 if (appData.debugMode)
8905 fprintf(debugFP, "Parsing game history: %s\n", game);
8907 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8908 gameInfo.site = StrSave(appData.icsHost);
8909 gameInfo.date = PGNDate();
8910 gameInfo.round = StrSave("-");
8912 /* Parse out names of players */
8913 while (*game == ' ') game++;
8915 while (*game != ' ') *p++ = *game++;
8917 gameInfo.white = StrSave(buf);
8918 while (*game == ' ') game++;
8920 while (*game != ' ' && *game != '\n') *p++ = *game++;
8922 gameInfo.black = StrSave(buf);
8925 boardIndex = blackPlaysFirst ? 1 : 0;
8928 yyboardindex = boardIndex;
8929 moveType = (ChessMove) Myylex();
8931 case IllegalMove: /* maybe suicide chess, etc. */
8932 if (appData.debugMode) {
8933 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8934 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8935 setbuf(debugFP, NULL);
8937 case WhitePromotion:
8938 case BlackPromotion:
8939 case WhiteNonPromotion:
8940 case BlackNonPromotion:
8942 case WhiteCapturesEnPassant:
8943 case BlackCapturesEnPassant:
8944 case WhiteKingSideCastle:
8945 case WhiteQueenSideCastle:
8946 case BlackKingSideCastle:
8947 case BlackQueenSideCastle:
8948 case WhiteKingSideCastleWild:
8949 case WhiteQueenSideCastleWild:
8950 case BlackKingSideCastleWild:
8951 case BlackQueenSideCastleWild:
8953 case WhiteHSideCastleFR:
8954 case WhiteASideCastleFR:
8955 case BlackHSideCastleFR:
8956 case BlackASideCastleFR:
8958 fromX = currentMoveString[0] - AAA;
8959 fromY = currentMoveString[1] - ONE;
8960 toX = currentMoveString[2] - AAA;
8961 toY = currentMoveString[3] - ONE;
8962 promoChar = currentMoveString[4];
8966 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8967 fromX = moveType == WhiteDrop ?
8968 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8969 (int) CharToPiece(ToLower(currentMoveString[0]));
8971 toX = currentMoveString[2] - AAA;
8972 toY = currentMoveString[3] - ONE;
8973 promoChar = NULLCHAR;
8977 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8978 if (appData.debugMode) {
8979 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8980 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8981 setbuf(debugFP, NULL);
8983 DisplayError(buf, 0);
8985 case ImpossibleMove:
8987 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8988 if (appData.debugMode) {
8989 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8990 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8991 setbuf(debugFP, NULL);
8993 DisplayError(buf, 0);
8996 if (boardIndex < backwardMostMove) {
8997 /* Oops, gap. How did that happen? */
8998 DisplayError(_("Gap in move list"), 0);
9001 backwardMostMove = blackPlaysFirst ? 1 : 0;
9002 if (boardIndex > forwardMostMove) {
9003 forwardMostMove = boardIndex;
9007 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9008 strcat(parseList[boardIndex-1], " ");
9009 strcat(parseList[boardIndex-1], yy_text);
9021 case GameUnfinished:
9022 if (gameMode == IcsExamining) {
9023 if (boardIndex < backwardMostMove) {
9024 /* Oops, gap. How did that happen? */
9027 backwardMostMove = blackPlaysFirst ? 1 : 0;
9030 gameInfo.result = moveType;
9031 p = strchr(yy_text, '{');
9032 if (p == NULL) p = strchr(yy_text, '(');
9035 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9037 q = strchr(p, *p == '{' ? '}' : ')');
9038 if (q != NULL) *q = NULLCHAR;
9041 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9042 gameInfo.resultDetails = StrSave(p);
9045 if (boardIndex >= forwardMostMove &&
9046 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9047 backwardMostMove = blackPlaysFirst ? 1 : 0;
9050 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9051 fromY, fromX, toY, toX, promoChar,
9052 parseList[boardIndex]);
9053 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9054 /* currentMoveString is set as a side-effect of yylex */
9055 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9056 strcat(moveList[boardIndex], "\n");
9058 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9059 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9065 if(gameInfo.variant != VariantShogi)
9066 strcat(parseList[boardIndex - 1], "+");
9070 strcat(parseList[boardIndex - 1], "#");
9077 /* Apply a move to the given board */
9079 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
9080 int fromX, fromY, toX, toY;
9084 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9085 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9087 /* [HGM] compute & store e.p. status and castling rights for new position */
9088 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9090 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9091 oldEP = (signed char)board[EP_STATUS];
9092 board[EP_STATUS] = EP_NONE;
9094 if (fromY == DROP_RANK) {
9096 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9097 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9100 piece = board[toY][toX] = (ChessSquare) fromX;
9104 if( board[toY][toX] != EmptySquare )
9105 board[EP_STATUS] = EP_CAPTURE;
9107 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9108 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9109 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9111 if( board[fromY][fromX] == WhitePawn ) {
9112 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9113 board[EP_STATUS] = EP_PAWN_MOVE;
9115 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9116 gameInfo.variant != VariantBerolina || toX < fromX)
9117 board[EP_STATUS] = toX | berolina;
9118 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9119 gameInfo.variant != VariantBerolina || toX > fromX)
9120 board[EP_STATUS] = toX;
9123 if( board[fromY][fromX] == BlackPawn ) {
9124 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9125 board[EP_STATUS] = EP_PAWN_MOVE;
9126 if( toY-fromY== -2) {
9127 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9128 gameInfo.variant != VariantBerolina || toX < fromX)
9129 board[EP_STATUS] = toX | berolina;
9130 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9131 gameInfo.variant != VariantBerolina || toX > fromX)
9132 board[EP_STATUS] = toX;
9136 for(i=0; i<nrCastlingRights; i++) {
9137 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9138 board[CASTLING][i] == toX && castlingRank[i] == toY
9139 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9142 if (fromX == toX && fromY == toY) return;
9144 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9145 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9146 if(gameInfo.variant == VariantKnightmate)
9147 king += (int) WhiteUnicorn - (int) WhiteKing;
9149 /* Code added by Tord: */
9150 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9151 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9152 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9153 board[fromY][fromX] = EmptySquare;
9154 board[toY][toX] = EmptySquare;
9155 if((toX > fromX) != (piece == WhiteRook)) {
9156 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9158 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9160 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9161 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9162 board[fromY][fromX] = EmptySquare;
9163 board[toY][toX] = EmptySquare;
9164 if((toX > fromX) != (piece == BlackRook)) {
9165 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9167 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9169 /* End of code added by Tord */
9171 } else if (board[fromY][fromX] == king
9172 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9173 && toY == fromY && toX > fromX+1) {
9174 board[fromY][fromX] = EmptySquare;
9175 board[toY][toX] = king;
9176 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9177 board[fromY][BOARD_RGHT-1] = EmptySquare;
9178 } else if (board[fromY][fromX] == king
9179 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9180 && toY == fromY && toX < fromX-1) {
9181 board[fromY][fromX] = EmptySquare;
9182 board[toY][toX] = king;
9183 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9184 board[fromY][BOARD_LEFT] = EmptySquare;
9185 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9186 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9187 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9189 /* white pawn promotion */
9190 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9191 if(gameInfo.variant==VariantBughouse ||
9192 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9193 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9194 board[fromY][fromX] = EmptySquare;
9195 } else if ((fromY >= BOARD_HEIGHT>>1)
9197 && gameInfo.variant != VariantXiangqi
9198 && gameInfo.variant != VariantBerolina
9199 && (board[fromY][fromX] == WhitePawn)
9200 && (board[toY][toX] == EmptySquare)) {
9201 board[fromY][fromX] = EmptySquare;
9202 board[toY][toX] = WhitePawn;
9203 captured = board[toY - 1][toX];
9204 board[toY - 1][toX] = EmptySquare;
9205 } else if ((fromY == BOARD_HEIGHT-4)
9207 && gameInfo.variant == VariantBerolina
9208 && (board[fromY][fromX] == WhitePawn)
9209 && (board[toY][toX] == EmptySquare)) {
9210 board[fromY][fromX] = EmptySquare;
9211 board[toY][toX] = WhitePawn;
9212 if(oldEP & EP_BEROLIN_A) {
9213 captured = board[fromY][fromX-1];
9214 board[fromY][fromX-1] = EmptySquare;
9215 }else{ captured = board[fromY][fromX+1];
9216 board[fromY][fromX+1] = EmptySquare;
9218 } else if (board[fromY][fromX] == king
9219 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9220 && toY == fromY && toX > fromX+1) {
9221 board[fromY][fromX] = EmptySquare;
9222 board[toY][toX] = king;
9223 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9224 board[fromY][BOARD_RGHT-1] = EmptySquare;
9225 } else if (board[fromY][fromX] == king
9226 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9227 && toY == fromY && toX < fromX-1) {
9228 board[fromY][fromX] = EmptySquare;
9229 board[toY][toX] = king;
9230 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9231 board[fromY][BOARD_LEFT] = EmptySquare;
9232 } else if (fromY == 7 && fromX == 3
9233 && board[fromY][fromX] == BlackKing
9234 && toY == 7 && toX == 5) {
9235 board[fromY][fromX] = EmptySquare;
9236 board[toY][toX] = BlackKing;
9237 board[fromY][7] = EmptySquare;
9238 board[toY][4] = BlackRook;
9239 } else if (fromY == 7 && fromX == 3
9240 && board[fromY][fromX] == BlackKing
9241 && toY == 7 && toX == 1) {
9242 board[fromY][fromX] = EmptySquare;
9243 board[toY][toX] = BlackKing;
9244 board[fromY][0] = EmptySquare;
9245 board[toY][2] = BlackRook;
9246 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9247 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9248 && toY < promoRank && promoChar
9250 /* black pawn promotion */
9251 board[toY][toX] = CharToPiece(ToLower(promoChar));
9252 if(gameInfo.variant==VariantBughouse ||
9253 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9254 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9255 board[fromY][fromX] = EmptySquare;
9256 } else if ((fromY < BOARD_HEIGHT>>1)
9258 && gameInfo.variant != VariantXiangqi
9259 && gameInfo.variant != VariantBerolina
9260 && (board[fromY][fromX] == BlackPawn)
9261 && (board[toY][toX] == EmptySquare)) {
9262 board[fromY][fromX] = EmptySquare;
9263 board[toY][toX] = BlackPawn;
9264 captured = board[toY + 1][toX];
9265 board[toY + 1][toX] = EmptySquare;
9266 } else if ((fromY == 3)
9268 && gameInfo.variant == VariantBerolina
9269 && (board[fromY][fromX] == BlackPawn)
9270 && (board[toY][toX] == EmptySquare)) {
9271 board[fromY][fromX] = EmptySquare;
9272 board[toY][toX] = BlackPawn;
9273 if(oldEP & EP_BEROLIN_A) {
9274 captured = board[fromY][fromX-1];
9275 board[fromY][fromX-1] = EmptySquare;
9276 }else{ captured = board[fromY][fromX+1];
9277 board[fromY][fromX+1] = EmptySquare;
9280 board[toY][toX] = board[fromY][fromX];
9281 board[fromY][fromX] = EmptySquare;
9285 if (gameInfo.holdingsWidth != 0) {
9287 /* !!A lot more code needs to be written to support holdings */
9288 /* [HGM] OK, so I have written it. Holdings are stored in the */
9289 /* penultimate board files, so they are automaticlly stored */
9290 /* in the game history. */
9291 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9292 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9293 /* Delete from holdings, by decreasing count */
9294 /* and erasing image if necessary */
9295 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9296 if(p < (int) BlackPawn) { /* white drop */
9297 p -= (int)WhitePawn;
9298 p = PieceToNumber((ChessSquare)p);
9299 if(p >= gameInfo.holdingsSize) p = 0;
9300 if(--board[p][BOARD_WIDTH-2] <= 0)
9301 board[p][BOARD_WIDTH-1] = EmptySquare;
9302 if((int)board[p][BOARD_WIDTH-2] < 0)
9303 board[p][BOARD_WIDTH-2] = 0;
9304 } else { /* black drop */
9305 p -= (int)BlackPawn;
9306 p = PieceToNumber((ChessSquare)p);
9307 if(p >= gameInfo.holdingsSize) p = 0;
9308 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9309 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9310 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9311 board[BOARD_HEIGHT-1-p][1] = 0;
9314 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9315 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9316 /* [HGM] holdings: Add to holdings, if holdings exist */
9317 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9318 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9319 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9322 if (p >= (int) BlackPawn) {
9323 p -= (int)BlackPawn;
9324 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9325 /* in Shogi restore piece to its original first */
9326 captured = (ChessSquare) (DEMOTED captured);
9329 p = PieceToNumber((ChessSquare)p);
9330 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9331 board[p][BOARD_WIDTH-2]++;
9332 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9334 p -= (int)WhitePawn;
9335 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9336 captured = (ChessSquare) (DEMOTED captured);
9339 p = PieceToNumber((ChessSquare)p);
9340 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9341 board[BOARD_HEIGHT-1-p][1]++;
9342 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9345 } else if (gameInfo.variant == VariantAtomic) {
9346 if (captured != EmptySquare) {
9348 for (y = toY-1; y <= toY+1; y++) {
9349 for (x = toX-1; x <= toX+1; x++) {
9350 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9351 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9352 board[y][x] = EmptySquare;
9356 board[toY][toX] = EmptySquare;
9359 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9360 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9362 if(promoChar == '+') {
9363 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9364 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9365 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9366 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9368 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9369 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9370 // [HGM] superchess: take promotion piece out of holdings
9371 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9372 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9373 if(!--board[k][BOARD_WIDTH-2])
9374 board[k][BOARD_WIDTH-1] = EmptySquare;
9376 if(!--board[BOARD_HEIGHT-1-k][1])
9377 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9383 /* Updates forwardMostMove */
9385 MakeMove(fromX, fromY, toX, toY, promoChar)
9386 int fromX, fromY, toX, toY;
9389 // forwardMostMove++; // [HGM] bare: moved downstream
9391 (void) CoordsToAlgebraic(boards[forwardMostMove],
9392 PosFlags(forwardMostMove),
9393 fromY, fromX, toY, toX, promoChar,
9394 parseList[forwardMostMove]);
9396 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9397 int timeLeft; static int lastLoadFlag=0; int king, piece;
9398 piece = boards[forwardMostMove][fromY][fromX];
9399 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9400 if(gameInfo.variant == VariantKnightmate)
9401 king += (int) WhiteUnicorn - (int) WhiteKing;
9402 if(forwardMostMove == 0) {
9403 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9404 fprintf(serverMoves, "%s;", UserName());
9405 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9406 fprintf(serverMoves, "%s;", second.tidy);
9407 fprintf(serverMoves, "%s;", first.tidy);
9408 if(gameMode == MachinePlaysWhite)
9409 fprintf(serverMoves, "%s;", UserName());
9410 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9411 fprintf(serverMoves, "%s;", second.tidy);
9412 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9413 lastLoadFlag = loadFlag;
9415 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9416 // print castling suffix
9417 if( toY == fromY && piece == king ) {
9419 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9421 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9424 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9425 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9426 boards[forwardMostMove][toY][toX] == EmptySquare
9427 && fromX != toX && fromY != toY)
9428 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9430 if(promoChar != NULLCHAR)
9431 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9433 char buf[MOVE_LEN*2], *p; int len;
9434 fprintf(serverMoves, "/%d/%d",
9435 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9436 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9437 else timeLeft = blackTimeRemaining/1000;
9438 fprintf(serverMoves, "/%d", timeLeft);
9439 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9440 if(p = strchr(buf, '=')) *p = NULLCHAR;
9441 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9442 fprintf(serverMoves, "/%s", buf);
9444 fflush(serverMoves);
9447 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9448 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9451 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9452 if (commentList[forwardMostMove+1] != NULL) {
9453 free(commentList[forwardMostMove+1]);
9454 commentList[forwardMostMove+1] = NULL;
9456 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9457 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9458 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9459 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9460 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9461 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9462 adjustedClock = FALSE;
9463 gameInfo.result = GameUnfinished;
9464 if (gameInfo.resultDetails != NULL) {
9465 free(gameInfo.resultDetails);
9466 gameInfo.resultDetails = NULL;
9468 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9469 moveList[forwardMostMove - 1]);
9470 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9476 if(gameInfo.variant != VariantShogi)
9477 strcat(parseList[forwardMostMove - 1], "+");
9481 strcat(parseList[forwardMostMove - 1], "#");
9484 if (appData.debugMode) {
9485 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9490 /* Updates currentMove if not pausing */
9492 ShowMove(fromX, fromY, toX, toY)
9494 int instant = (gameMode == PlayFromGameFile) ?
9495 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9496 if(appData.noGUI) return;
9497 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9499 if (forwardMostMove == currentMove + 1) {
9500 AnimateMove(boards[forwardMostMove - 1],
9501 fromX, fromY, toX, toY);
9503 if (appData.highlightLastMove) {
9504 SetHighlights(fromX, fromY, toX, toY);
9507 currentMove = forwardMostMove;
9510 if (instant) return;
9512 DisplayMove(currentMove - 1);
9513 DrawPosition(FALSE, boards[currentMove]);
9514 DisplayBothClocks();
9515 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9518 void SendEgtPath(ChessProgramState *cps)
9519 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9520 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9522 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9525 char c, *q = name+1, *r, *s;
9527 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9528 while(*p && *p != ',') *q++ = *p++;
9530 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9531 strcmp(name, ",nalimov:") == 0 ) {
9532 // take nalimov path from the menu-changeable option first, if it is defined
9533 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9534 SendToProgram(buf,cps); // send egtbpath command for nalimov
9536 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9537 (s = StrStr(appData.egtFormats, name)) != NULL) {
9538 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9539 s = r = StrStr(s, ":") + 1; // beginning of path info
9540 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9541 c = *r; *r = 0; // temporarily null-terminate path info
9542 *--q = 0; // strip of trailig ':' from name
9543 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9545 SendToProgram(buf,cps); // send egtbpath command for this format
9547 if(*p == ',') p++; // read away comma to position for next format name
9552 InitChessProgram(cps, setup)
9553 ChessProgramState *cps;
9554 int setup; /* [HGM] needed to setup FRC opening position */
9556 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9557 if (appData.noChessProgram) return;
9558 hintRequested = FALSE;
9559 bookRequested = FALSE;
9561 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9562 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9563 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9564 if(cps->memSize) { /* [HGM] memory */
9565 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9566 SendToProgram(buf, cps);
9568 SendEgtPath(cps); /* [HGM] EGT */
9569 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9570 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9571 SendToProgram(buf, cps);
9574 SendToProgram(cps->initString, cps);
9575 if (gameInfo.variant != VariantNormal &&
9576 gameInfo.variant != VariantLoadable
9577 /* [HGM] also send variant if board size non-standard */
9578 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9580 char *v = VariantName(gameInfo.variant);
9581 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9582 /* [HGM] in protocol 1 we have to assume all variants valid */
9583 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9584 DisplayFatalError(buf, 0, 1);
9588 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9589 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9590 if( gameInfo.variant == VariantXiangqi )
9591 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9592 if( gameInfo.variant == VariantShogi )
9593 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9594 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9595 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9596 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9597 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9598 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9599 if( gameInfo.variant == VariantCourier )
9600 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9601 if( gameInfo.variant == VariantSuper )
9602 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9603 if( gameInfo.variant == VariantGreat )
9604 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9605 if( gameInfo.variant == VariantSChess )
9606 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9607 if( gameInfo.variant == VariantGrand )
9608 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9611 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9612 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9613 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9614 if(StrStr(cps->variants, b) == NULL) {
9615 // specific sized variant not known, check if general sizing allowed
9616 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9617 if(StrStr(cps->variants, "boardsize") == NULL) {
9618 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9619 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9620 DisplayFatalError(buf, 0, 1);
9623 /* [HGM] here we really should compare with the maximum supported board size */
9626 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9627 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9628 SendToProgram(buf, cps);
9630 currentlyInitializedVariant = gameInfo.variant;
9632 /* [HGM] send opening position in FRC to first engine */
9634 SendToProgram("force\n", cps);
9636 /* engine is now in force mode! Set flag to wake it up after first move. */
9637 setboardSpoiledMachineBlack = 1;
9641 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9642 SendToProgram(buf, cps);
9644 cps->maybeThinking = FALSE;
9645 cps->offeredDraw = 0;
9646 if (!appData.icsActive) {
9647 SendTimeControl(cps, movesPerSession, timeControl,
9648 timeIncrement, appData.searchDepth,
9651 if (appData.showThinking
9652 // [HGM] thinking: four options require thinking output to be sent
9653 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9655 SendToProgram("post\n", cps);
9657 SendToProgram("hard\n", cps);
9658 if (!appData.ponderNextMove) {
9659 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9660 it without being sure what state we are in first. "hard"
9661 is not a toggle, so that one is OK.
9663 SendToProgram("easy\n", cps);
9666 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9667 SendToProgram(buf, cps);
9669 cps->initDone = TRUE;
9670 ClearEngineOutputPane(cps == &second);
9675 StartChessProgram(cps)
9676 ChessProgramState *cps;
9681 if (appData.noChessProgram) return;
9682 cps->initDone = FALSE;
9684 if (strcmp(cps->host, "localhost") == 0) {
9685 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9686 } else if (*appData.remoteShell == NULLCHAR) {
9687 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9689 if (*appData.remoteUser == NULLCHAR) {
9690 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9693 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9694 cps->host, appData.remoteUser, cps->program);
9696 err = StartChildProcess(buf, "", &cps->pr);
9700 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9701 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9702 if(cps != &first) return;
9703 appData.noChessProgram = TRUE;
9706 // DisplayFatalError(buf, err, 1);
9707 // cps->pr = NoProc;
9712 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9713 if (cps->protocolVersion > 1) {
9714 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9715 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9716 cps->comboCnt = 0; // and values of combo boxes
9717 SendToProgram(buf, cps);
9719 SendToProgram("xboard\n", cps);
9724 TwoMachinesEventIfReady P((void))
9726 static int curMess = 0;
9727 if (first.lastPing != first.lastPong) {
9728 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9729 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9732 if (second.lastPing != second.lastPong) {
9733 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9734 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9737 DisplayMessage("", ""); curMess = 0;
9743 MakeName(char *template)
9747 static char buf[MSG_SIZ];
9751 clock = time((time_t *)NULL);
9752 tm = localtime(&clock);
9754 while(*p++ = *template++) if(p[-1] == '%') {
9755 switch(*template++) {
9756 case 0: *p = 0; return buf;
9757 case 'Y': i = tm->tm_year+1900; break;
9758 case 'y': i = tm->tm_year-100; break;
9759 case 'M': i = tm->tm_mon+1; break;
9760 case 'd': i = tm->tm_mday; break;
9761 case 'h': i = tm->tm_hour; break;
9762 case 'm': i = tm->tm_min; break;
9763 case 's': i = tm->tm_sec; break;
9766 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9772 CountPlayers(char *p)
9775 while(p = strchr(p, '\n')) p++, n++; // count participants
9780 WriteTourneyFile(char *results, FILE *f)
9781 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9782 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9783 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9784 // create a file with tournament description
9785 fprintf(f, "-participants {%s}\n", appData.participants);
9786 fprintf(f, "-seedBase %d\n", appData.seedBase);
9787 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9788 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9789 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9790 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9791 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9792 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9793 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9794 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9795 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9796 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9797 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9798 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9800 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9802 fprintf(f, "-mps %d\n", appData.movesPerSession);
9803 fprintf(f, "-tc %s\n", appData.timeControl);
9804 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9806 fprintf(f, "-results \"%s\"\n", results);
9811 #define MAXENGINES 1000
9812 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9814 void Substitute(char *participants, int expunge)
9816 int i, changed, changes=0, nPlayers=0;
9817 char *p, *q, *r, buf[MSG_SIZ];
9818 if(participants == NULL) return;
9819 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9820 r = p = participants; q = appData.participants;
9821 while(*p && *p == *q) {
9822 if(*p == '\n') r = p+1, nPlayers++;
9825 if(*p) { // difference
9826 while(*p && *p++ != '\n');
9827 while(*q && *q++ != '\n');
9829 changes = 1 + (strcmp(p, q) != 0);
9831 if(changes == 1) { // a single engine mnemonic was changed
9832 q = r; while(*q) nPlayers += (*q++ == '\n');
9833 p = buf; while(*r && (*p = *r++) != '\n') p++;
9835 NamesToList(firstChessProgramNames, command, mnemonic);
9836 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9837 if(mnemonic[i]) { // The substitute is valid
9839 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9840 flock(fileno(f), LOCK_EX);
9841 ParseArgsFromFile(f);
9842 fseek(f, 0, SEEK_SET);
9843 FREE(appData.participants); appData.participants = participants;
9844 if(expunge) { // erase results of replaced engine
9845 int len = strlen(appData.results), w, b, dummy;
9846 for(i=0; i<len; i++) {
9847 Pairing(i, nPlayers, &w, &b, &dummy);
9848 if((w == changed || b == changed) && appData.results[i] == '*') {
9849 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9854 for(i=0; i<len; i++) {
9855 Pairing(i, nPlayers, &w, &b, &dummy);
9856 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9859 WriteTourneyFile(appData.results, f);
9860 fclose(f); // release lock
9863 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9865 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9866 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9872 CreateTourney(char *name)
9875 if(matchMode && strcmp(name, appData.tourneyFile)) {
9876 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9878 if(name[0] == NULLCHAR) {
9879 if(appData.participants[0])
9880 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9883 f = fopen(name, "r");
9884 if(f) { // file exists
9885 ASSIGN(appData.tourneyFile, name);
9886 ParseArgsFromFile(f); // parse it
9888 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9889 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9890 DisplayError(_("Not enough participants"), 0);
9893 ASSIGN(appData.tourneyFile, name);
9894 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9895 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9898 appData.noChessProgram = FALSE;
9899 appData.clockMode = TRUE;
9904 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9906 char buf[MSG_SIZ], *p, *q;
9910 while(*p && *p != '\n') *q++ = *p++;
9912 if(engineList[i]) free(engineList[i]);
9913 engineList[i] = strdup(buf);
9915 TidyProgramName(engineList[i], "localhost", buf);
9916 if(engineMnemonic[i]) free(engineMnemonic[i]);
9917 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9919 sscanf(q + 8, "%s", buf + strlen(buf));
9922 engineMnemonic[i] = strdup(buf);
9924 if(i > MAXENGINES - 2) break;
9926 engineList[i] = engineMnemonic[i] = NULL;
9929 // following implemented as macro to avoid type limitations
9930 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9932 void SwapEngines(int n)
9933 { // swap settings for first engine and other engine (so far only some selected options)
9938 SWAP(chessProgram, p)
9940 SWAP(hasOwnBookUCI, h)
9941 SWAP(protocolVersion, h)
9943 SWAP(scoreIsAbsolute, h)
9952 SetPlayer(int player)
9953 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9955 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9956 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9957 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9958 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9960 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9961 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9962 appData.firstHasOwnBookUCI = !appData.defNoBook;
9963 ParseArgsFromString(buf);
9969 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9970 { // determine players from game number
9971 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9973 if(appData.tourneyType == 0) {
9974 roundsPerCycle = (nPlayers - 1) | 1;
9975 pairingsPerRound = nPlayers / 2;
9976 } else if(appData.tourneyType > 0) {
9977 roundsPerCycle = nPlayers - appData.tourneyType;
9978 pairingsPerRound = appData.tourneyType;
9980 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9981 gamesPerCycle = gamesPerRound * roundsPerCycle;
9982 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9983 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9984 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9985 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9986 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9987 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9989 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9990 if(appData.roundSync) *syncInterval = gamesPerRound;
9992 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9994 if(appData.tourneyType == 0) {
9995 if(curPairing == (nPlayers-1)/2 ) {
9996 *whitePlayer = curRound;
9997 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9999 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10000 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10001 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10002 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10004 } else if(appData.tourneyType > 0) {
10005 *whitePlayer = curPairing;
10006 *blackPlayer = curRound + appData.tourneyType;
10009 // take care of white/black alternation per round.
10010 // For cycles and games this is already taken care of by default, derived from matchGame!
10011 return curRound & 1;
10015 NextTourneyGame(int nr, int *swapColors)
10016 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10018 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10020 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10021 tf = fopen(appData.tourneyFile, "r");
10022 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10023 ParseArgsFromFile(tf); fclose(tf);
10024 InitTimeControls(); // TC might be altered from tourney file
10026 nPlayers = CountPlayers(appData.participants); // count participants
10027 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10028 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10031 p = q = appData.results;
10032 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10033 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10034 DisplayMessage(_("Waiting for other game(s)"),"");
10035 waitingForGame = TRUE;
10036 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10039 waitingForGame = FALSE;
10042 if(appData.tourneyType < 0) {
10043 if(nr>=0 && !pairingReceived) {
10045 if(pairing.pr == NoProc) {
10046 if(!appData.pairingEngine[0]) {
10047 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10050 StartChessProgram(&pairing); // starts the pairing engine
10052 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10053 SendToProgram(buf, &pairing);
10054 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10055 SendToProgram(buf, &pairing);
10056 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10058 pairingReceived = 0; // ... so we continue here
10060 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10061 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10062 matchGame = 1; roundNr = nr / syncInterval + 1;
10065 if(first.pr != NoProc || second.pr != NoProc) return 1; // engines already loaded
10067 // redefine engines, engine dir, etc.
10068 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
10069 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
10071 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
10072 SwapEngines(1); // and make that valid for second engine by swapping
10073 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10074 InitEngine(&second, 1);
10075 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10076 UpdateLogos(FALSE); // leave display to ModeHiglight()
10082 { // performs game initialization that does not invoke engines, and then tries to start the game
10083 int res, firstWhite, swapColors = 0;
10084 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10085 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10086 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10087 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10088 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10089 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10090 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10091 Reset(FALSE, first.pr != NoProc);
10092 res = LoadGameOrPosition(matchGame); // setup game
10093 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10094 if(!res) return; // abort when bad game/pos file
10095 TwoMachinesEvent();
10098 void UserAdjudicationEvent( int result )
10100 ChessMove gameResult = GameIsDrawn;
10103 gameResult = WhiteWins;
10105 else if( result < 0 ) {
10106 gameResult = BlackWins;
10109 if( gameMode == TwoMachinesPlay ) {
10110 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10115 // [HGM] save: calculate checksum of game to make games easily identifiable
10116 int StringCheckSum(char *s)
10119 if(s==NULL) return 0;
10120 while(*s) i = i*259 + *s++;
10127 for(i=backwardMostMove; i<forwardMostMove; i++) {
10128 sum += pvInfoList[i].depth;
10129 sum += StringCheckSum(parseList[i]);
10130 sum += StringCheckSum(commentList[i]);
10133 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10134 return sum + StringCheckSum(commentList[i]);
10135 } // end of save patch
10138 GameEnds(result, resultDetails, whosays)
10140 char *resultDetails;
10143 GameMode nextGameMode;
10145 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10147 if(endingGame) return; /* [HGM] crash: forbid recursion */
10149 if(twoBoards) { // [HGM] dual: switch back to one board
10150 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10151 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10153 if (appData.debugMode) {
10154 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10155 result, resultDetails ? resultDetails : "(null)", whosays);
10158 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10160 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10161 /* If we are playing on ICS, the server decides when the
10162 game is over, but the engine can offer to draw, claim
10166 if (appData.zippyPlay && first.initDone) {
10167 if (result == GameIsDrawn) {
10168 /* In case draw still needs to be claimed */
10169 SendToICS(ics_prefix);
10170 SendToICS("draw\n");
10171 } else if (StrCaseStr(resultDetails, "resign")) {
10172 SendToICS(ics_prefix);
10173 SendToICS("resign\n");
10177 endingGame = 0; /* [HGM] crash */
10181 /* If we're loading the game from a file, stop */
10182 if (whosays == GE_FILE) {
10183 (void) StopLoadGameTimer();
10187 /* Cancel draw offers */
10188 first.offeredDraw = second.offeredDraw = 0;
10190 /* If this is an ICS game, only ICS can really say it's done;
10191 if not, anyone can. */
10192 isIcsGame = (gameMode == IcsPlayingWhite ||
10193 gameMode == IcsPlayingBlack ||
10194 gameMode == IcsObserving ||
10195 gameMode == IcsExamining);
10197 if (!isIcsGame || whosays == GE_ICS) {
10198 /* OK -- not an ICS game, or ICS said it was done */
10200 if (!isIcsGame && !appData.noChessProgram)
10201 SetUserThinkingEnables();
10203 /* [HGM] if a machine claims the game end we verify this claim */
10204 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10205 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10207 ChessMove trueResult = (ChessMove) -1;
10209 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10210 first.twoMachinesColor[0] :
10211 second.twoMachinesColor[0] ;
10213 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10214 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10215 /* [HGM] verify: engine mate claims accepted if they were flagged */
10216 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10218 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10219 /* [HGM] verify: engine mate claims accepted if they were flagged */
10220 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10222 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10223 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10226 // now verify win claims, but not in drop games, as we don't understand those yet
10227 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10228 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10229 (result == WhiteWins && claimer == 'w' ||
10230 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10231 if (appData.debugMode) {
10232 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10233 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10235 if(result != trueResult) {
10236 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10237 result = claimer == 'w' ? BlackWins : WhiteWins;
10238 resultDetails = buf;
10241 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10242 && (forwardMostMove <= backwardMostMove ||
10243 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10244 (claimer=='b')==(forwardMostMove&1))
10246 /* [HGM] verify: draws that were not flagged are false claims */
10247 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10248 result = claimer == 'w' ? BlackWins : WhiteWins;
10249 resultDetails = buf;
10251 /* (Claiming a loss is accepted no questions asked!) */
10253 /* [HGM] bare: don't allow bare King to win */
10254 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10255 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10256 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10257 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10258 && result != GameIsDrawn)
10259 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10260 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10261 int p = (signed char)boards[forwardMostMove][i][j] - color;
10262 if(p >= 0 && p <= (int)WhiteKing) k++;
10264 if (appData.debugMode) {
10265 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10266 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10269 result = GameIsDrawn;
10270 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10271 resultDetails = buf;
10277 if(serverMoves != NULL && !loadFlag) { char c = '=';
10278 if(result==WhiteWins) c = '+';
10279 if(result==BlackWins) c = '-';
10280 if(resultDetails != NULL)
10281 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10283 if (resultDetails != NULL) {
10284 gameInfo.result = result;
10285 gameInfo.resultDetails = StrSave(resultDetails);
10287 /* display last move only if game was not loaded from file */
10288 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10289 DisplayMove(currentMove - 1);
10291 if (forwardMostMove != 0) {
10292 if (gameMode != PlayFromGameFile && gameMode != EditGame
10293 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10295 if (*appData.saveGameFile != NULLCHAR) {
10296 SaveGameToFile(appData.saveGameFile, TRUE);
10297 } else if (appData.autoSaveGames) {
10300 if (*appData.savePositionFile != NULLCHAR) {
10301 SavePositionToFile(appData.savePositionFile);
10306 /* Tell program how game ended in case it is learning */
10307 /* [HGM] Moved this to after saving the PGN, just in case */
10308 /* engine died and we got here through time loss. In that */
10309 /* case we will get a fatal error writing the pipe, which */
10310 /* would otherwise lose us the PGN. */
10311 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10312 /* output during GameEnds should never be fatal anymore */
10313 if (gameMode == MachinePlaysWhite ||
10314 gameMode == MachinePlaysBlack ||
10315 gameMode == TwoMachinesPlay ||
10316 gameMode == IcsPlayingWhite ||
10317 gameMode == IcsPlayingBlack ||
10318 gameMode == BeginningOfGame) {
10320 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10322 if (first.pr != NoProc) {
10323 SendToProgram(buf, &first);
10325 if (second.pr != NoProc &&
10326 gameMode == TwoMachinesPlay) {
10327 SendToProgram(buf, &second);
10332 if (appData.icsActive) {
10333 if (appData.quietPlay &&
10334 (gameMode == IcsPlayingWhite ||
10335 gameMode == IcsPlayingBlack)) {
10336 SendToICS(ics_prefix);
10337 SendToICS("set shout 1\n");
10339 nextGameMode = IcsIdle;
10340 ics_user_moved = FALSE;
10341 /* clean up premove. It's ugly when the game has ended and the
10342 * premove highlights are still on the board.
10345 gotPremove = FALSE;
10346 ClearPremoveHighlights();
10347 DrawPosition(FALSE, boards[currentMove]);
10349 if (whosays == GE_ICS) {
10352 if (gameMode == IcsPlayingWhite)
10354 else if(gameMode == IcsPlayingBlack)
10355 PlayIcsLossSound();
10358 if (gameMode == IcsPlayingBlack)
10360 else if(gameMode == IcsPlayingWhite)
10361 PlayIcsLossSound();
10364 PlayIcsDrawSound();
10367 PlayIcsUnfinishedSound();
10370 } else if (gameMode == EditGame ||
10371 gameMode == PlayFromGameFile ||
10372 gameMode == AnalyzeMode ||
10373 gameMode == AnalyzeFile) {
10374 nextGameMode = gameMode;
10376 nextGameMode = EndOfGame;
10381 nextGameMode = gameMode;
10384 if (appData.noChessProgram) {
10385 gameMode = nextGameMode;
10387 endingGame = 0; /* [HGM] crash */
10392 /* Put first chess program into idle state */
10393 if (first.pr != NoProc &&
10394 (gameMode == MachinePlaysWhite ||
10395 gameMode == MachinePlaysBlack ||
10396 gameMode == TwoMachinesPlay ||
10397 gameMode == IcsPlayingWhite ||
10398 gameMode == IcsPlayingBlack ||
10399 gameMode == BeginningOfGame)) {
10400 SendToProgram("force\n", &first);
10401 if (first.usePing) {
10403 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10404 SendToProgram(buf, &first);
10407 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10408 /* Kill off first chess program */
10409 if (first.isr != NULL)
10410 RemoveInputSource(first.isr);
10413 if (first.pr != NoProc) {
10415 DoSleep( appData.delayBeforeQuit );
10416 SendToProgram("quit\n", &first);
10417 DoSleep( appData.delayAfterQuit );
10418 DestroyChildProcess(first.pr, first.useSigterm);
10422 if (second.reuse) {
10423 /* Put second chess program into idle state */
10424 if (second.pr != NoProc &&
10425 gameMode == TwoMachinesPlay) {
10426 SendToProgram("force\n", &second);
10427 if (second.usePing) {
10429 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10430 SendToProgram(buf, &second);
10433 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10434 /* Kill off second chess program */
10435 if (second.isr != NULL)
10436 RemoveInputSource(second.isr);
10439 if (second.pr != NoProc) {
10440 DoSleep( appData.delayBeforeQuit );
10441 SendToProgram("quit\n", &second);
10442 DoSleep( appData.delayAfterQuit );
10443 DestroyChildProcess(second.pr, second.useSigterm);
10445 second.pr = NoProc;
10448 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10449 char resChar = '=';
10453 if (first.twoMachinesColor[0] == 'w') {
10456 second.matchWins++;
10461 if (first.twoMachinesColor[0] == 'b') {
10464 second.matchWins++;
10467 case GameUnfinished:
10473 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10474 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10475 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10476 ReserveGame(nextGame, resChar); // sets nextGame
10477 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10478 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10479 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10481 if (nextGame <= appData.matchGames && !abortMatch) {
10482 gameMode = nextGameMode;
10483 matchGame = nextGame; // this will be overruled in tourney mode!
10484 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10485 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10486 endingGame = 0; /* [HGM] crash */
10489 gameMode = nextGameMode;
10490 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10491 first.tidy, second.tidy,
10492 first.matchWins, second.matchWins,
10493 appData.matchGames - (first.matchWins + second.matchWins));
10494 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10495 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10496 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10497 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10498 first.twoMachinesColor = "black\n";
10499 second.twoMachinesColor = "white\n";
10501 first.twoMachinesColor = "white\n";
10502 second.twoMachinesColor = "black\n";
10506 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10507 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10509 gameMode = nextGameMode;
10511 endingGame = 0; /* [HGM] crash */
10512 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10513 if(matchMode == TRUE) { // match through command line: exit with or without popup
10515 ToNrEvent(forwardMostMove);
10516 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10518 } else DisplayFatalError(buf, 0, 0);
10519 } else { // match through menu; just stop, with or without popup
10520 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10523 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10524 } else DisplayNote(buf);
10526 if(ranking) free(ranking);
10530 /* Assumes program was just initialized (initString sent).
10531 Leaves program in force mode. */
10533 FeedMovesToProgram(cps, upto)
10534 ChessProgramState *cps;
10539 if (appData.debugMode)
10540 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10541 startedFromSetupPosition ? "position and " : "",
10542 backwardMostMove, upto, cps->which);
10543 if(currentlyInitializedVariant != gameInfo.variant) {
10545 // [HGM] variantswitch: make engine aware of new variant
10546 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10547 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10548 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10549 SendToProgram(buf, cps);
10550 currentlyInitializedVariant = gameInfo.variant;
10552 SendToProgram("force\n", cps);
10553 if (startedFromSetupPosition) {
10554 SendBoard(cps, backwardMostMove);
10555 if (appData.debugMode) {
10556 fprintf(debugFP, "feedMoves\n");
10559 for (i = backwardMostMove; i < upto; i++) {
10560 SendMoveToProgram(i, cps);
10566 ResurrectChessProgram()
10568 /* The chess program may have exited.
10569 If so, restart it and feed it all the moves made so far. */
10570 static int doInit = 0;
10572 if (appData.noChessProgram) return 1;
10574 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10575 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10576 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10577 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10579 if (first.pr != NoProc) return 1;
10580 StartChessProgram(&first);
10582 InitChessProgram(&first, FALSE);
10583 FeedMovesToProgram(&first, currentMove);
10585 if (!first.sendTime) {
10586 /* can't tell gnuchess what its clock should read,
10587 so we bow to its notion. */
10589 timeRemaining[0][currentMove] = whiteTimeRemaining;
10590 timeRemaining[1][currentMove] = blackTimeRemaining;
10593 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10594 appData.icsEngineAnalyze) && first.analysisSupport) {
10595 SendToProgram("analyze\n", &first);
10596 first.analyzing = TRUE;
10602 * Button procedures
10605 Reset(redraw, init)
10610 if (appData.debugMode) {
10611 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10612 redraw, init, gameMode);
10614 CleanupTail(); // [HGM] vari: delete any stored variations
10615 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10616 pausing = pauseExamInvalid = FALSE;
10617 startedFromSetupPosition = blackPlaysFirst = FALSE;
10619 whiteFlag = blackFlag = FALSE;
10620 userOfferedDraw = FALSE;
10621 hintRequested = bookRequested = FALSE;
10622 first.maybeThinking = FALSE;
10623 second.maybeThinking = FALSE;
10624 first.bookSuspend = FALSE; // [HGM] book
10625 second.bookSuspend = FALSE;
10626 thinkOutput[0] = NULLCHAR;
10627 lastHint[0] = NULLCHAR;
10628 ClearGameInfo(&gameInfo);
10629 gameInfo.variant = StringToVariant(appData.variant);
10630 ics_user_moved = ics_clock_paused = FALSE;
10631 ics_getting_history = H_FALSE;
10633 white_holding[0] = black_holding[0] = NULLCHAR;
10634 ClearProgramStats();
10635 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10639 flipView = appData.flipView;
10640 ClearPremoveHighlights();
10641 gotPremove = FALSE;
10642 alarmSounded = FALSE;
10644 GameEnds(EndOfFile, NULL, GE_PLAYER);
10645 if(appData.serverMovesName != NULL) {
10646 /* [HGM] prepare to make moves file for broadcasting */
10647 clock_t t = clock();
10648 if(serverMoves != NULL) fclose(serverMoves);
10649 serverMoves = fopen(appData.serverMovesName, "r");
10650 if(serverMoves != NULL) {
10651 fclose(serverMoves);
10652 /* delay 15 sec before overwriting, so all clients can see end */
10653 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10655 serverMoves = fopen(appData.serverMovesName, "w");
10659 gameMode = BeginningOfGame;
10661 if(appData.icsActive) gameInfo.variant = VariantNormal;
10662 currentMove = forwardMostMove = backwardMostMove = 0;
10663 MarkTargetSquares(1);
10664 InitPosition(redraw);
10665 for (i = 0; i < MAX_MOVES; i++) {
10666 if (commentList[i] != NULL) {
10667 free(commentList[i]);
10668 commentList[i] = NULL;
10672 timeRemaining[0][0] = whiteTimeRemaining;
10673 timeRemaining[1][0] = blackTimeRemaining;
10675 if (first.pr == NoProc) {
10676 StartChessProgram(&first);
10679 InitChessProgram(&first, startedFromSetupPosition);
10682 DisplayMessage("", "");
10683 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10684 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10691 if (!AutoPlayOneMove())
10693 if (matchMode || appData.timeDelay == 0)
10695 if (appData.timeDelay < 0)
10697 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10706 int fromX, fromY, toX, toY;
10708 if (appData.debugMode) {
10709 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10712 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10715 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10716 pvInfoList[currentMove].depth = programStats.depth;
10717 pvInfoList[currentMove].score = programStats.score;
10718 pvInfoList[currentMove].time = 0;
10719 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10722 if (currentMove >= forwardMostMove) {
10723 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10724 // gameMode = EndOfGame;
10725 // ModeHighlight();
10727 /* [AS] Clear current move marker at the end of a game */
10728 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10733 toX = moveList[currentMove][2] - AAA;
10734 toY = moveList[currentMove][3] - ONE;
10736 if (moveList[currentMove][1] == '@') {
10737 if (appData.highlightLastMove) {
10738 SetHighlights(-1, -1, toX, toY);
10741 fromX = moveList[currentMove][0] - AAA;
10742 fromY = moveList[currentMove][1] - ONE;
10744 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10746 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10748 if (appData.highlightLastMove) {
10749 SetHighlights(fromX, fromY, toX, toY);
10752 DisplayMove(currentMove);
10753 SendMoveToProgram(currentMove++, &first);
10754 DisplayBothClocks();
10755 DrawPosition(FALSE, boards[currentMove]);
10756 // [HGM] PV info: always display, routine tests if empty
10757 DisplayComment(currentMove - 1, commentList[currentMove]);
10763 LoadGameOneMove(readAhead)
10764 ChessMove readAhead;
10766 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10767 char promoChar = NULLCHAR;
10768 ChessMove moveType;
10769 char move[MSG_SIZ];
10772 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10773 gameMode != AnalyzeMode && gameMode != Training) {
10778 yyboardindex = forwardMostMove;
10779 if (readAhead != EndOfFile) {
10780 moveType = readAhead;
10782 if (gameFileFP == NULL)
10784 moveType = (ChessMove) Myylex();
10788 switch (moveType) {
10790 if (appData.debugMode)
10791 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10794 /* append the comment but don't display it */
10795 AppendComment(currentMove, p, FALSE);
10798 case WhiteCapturesEnPassant:
10799 case BlackCapturesEnPassant:
10800 case WhitePromotion:
10801 case BlackPromotion:
10802 case WhiteNonPromotion:
10803 case BlackNonPromotion:
10805 case WhiteKingSideCastle:
10806 case WhiteQueenSideCastle:
10807 case BlackKingSideCastle:
10808 case BlackQueenSideCastle:
10809 case WhiteKingSideCastleWild:
10810 case WhiteQueenSideCastleWild:
10811 case BlackKingSideCastleWild:
10812 case BlackQueenSideCastleWild:
10814 case WhiteHSideCastleFR:
10815 case WhiteASideCastleFR:
10816 case BlackHSideCastleFR:
10817 case BlackASideCastleFR:
10819 if (appData.debugMode)
10820 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10821 fromX = currentMoveString[0] - AAA;
10822 fromY = currentMoveString[1] - ONE;
10823 toX = currentMoveString[2] - AAA;
10824 toY = currentMoveString[3] - ONE;
10825 promoChar = currentMoveString[4];
10830 if (appData.debugMode)
10831 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10832 fromX = moveType == WhiteDrop ?
10833 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10834 (int) CharToPiece(ToLower(currentMoveString[0]));
10836 toX = currentMoveString[2] - AAA;
10837 toY = currentMoveString[3] - ONE;
10843 case GameUnfinished:
10844 if (appData.debugMode)
10845 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10846 p = strchr(yy_text, '{');
10847 if (p == NULL) p = strchr(yy_text, '(');
10850 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10852 q = strchr(p, *p == '{' ? '}' : ')');
10853 if (q != NULL) *q = NULLCHAR;
10856 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10857 GameEnds(moveType, p, GE_FILE);
10859 if (cmailMsgLoaded) {
10861 flipView = WhiteOnMove(currentMove);
10862 if (moveType == GameUnfinished) flipView = !flipView;
10863 if (appData.debugMode)
10864 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10869 if (appData.debugMode)
10870 fprintf(debugFP, "Parser hit end of file\n");
10871 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10877 if (WhiteOnMove(currentMove)) {
10878 GameEnds(BlackWins, "Black mates", GE_FILE);
10880 GameEnds(WhiteWins, "White mates", GE_FILE);
10884 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10890 case MoveNumberOne:
10891 if (lastLoadGameStart == GNUChessGame) {
10892 /* GNUChessGames have numbers, but they aren't move numbers */
10893 if (appData.debugMode)
10894 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10895 yy_text, (int) moveType);
10896 return LoadGameOneMove(EndOfFile); /* tail recursion */
10898 /* else fall thru */
10903 /* Reached start of next game in file */
10904 if (appData.debugMode)
10905 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10906 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10912 if (WhiteOnMove(currentMove)) {
10913 GameEnds(BlackWins, "Black mates", GE_FILE);
10915 GameEnds(WhiteWins, "White mates", GE_FILE);
10919 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10925 case PositionDiagram: /* should not happen; ignore */
10926 case ElapsedTime: /* ignore */
10927 case NAG: /* ignore */
10928 if (appData.debugMode)
10929 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10930 yy_text, (int) moveType);
10931 return LoadGameOneMove(EndOfFile); /* tail recursion */
10934 if (appData.testLegality) {
10935 if (appData.debugMode)
10936 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10937 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10938 (forwardMostMove / 2) + 1,
10939 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10940 DisplayError(move, 0);
10943 if (appData.debugMode)
10944 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10945 yy_text, currentMoveString);
10946 fromX = currentMoveString[0] - AAA;
10947 fromY = currentMoveString[1] - ONE;
10948 toX = currentMoveString[2] - AAA;
10949 toY = currentMoveString[3] - ONE;
10950 promoChar = currentMoveString[4];
10954 case AmbiguousMove:
10955 if (appData.debugMode)
10956 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10957 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10958 (forwardMostMove / 2) + 1,
10959 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10960 DisplayError(move, 0);
10965 case ImpossibleMove:
10966 if (appData.debugMode)
10967 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10968 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10969 (forwardMostMove / 2) + 1,
10970 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10971 DisplayError(move, 0);
10977 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10978 DrawPosition(FALSE, boards[currentMove]);
10979 DisplayBothClocks();
10980 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10981 DisplayComment(currentMove - 1, commentList[currentMove]);
10983 (void) StopLoadGameTimer();
10985 cmailOldMove = forwardMostMove;
10988 /* currentMoveString is set as a side-effect of yylex */
10990 thinkOutput[0] = NULLCHAR;
10991 MakeMove(fromX, fromY, toX, toY, promoChar);
10992 currentMove = forwardMostMove;
10997 /* Load the nth game from the given file */
10999 LoadGameFromFile(filename, n, title, useList)
11003 /*Boolean*/ int useList;
11008 if (strcmp(filename, "-") == 0) {
11012 f = fopen(filename, "rb");
11014 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11015 DisplayError(buf, errno);
11019 if (fseek(f, 0, 0) == -1) {
11020 /* f is not seekable; probably a pipe */
11023 if (useList && n == 0) {
11024 int error = GameListBuild(f);
11026 DisplayError(_("Cannot build game list"), error);
11027 } else if (!ListEmpty(&gameList) &&
11028 ((ListGame *) gameList.tailPred)->number > 1) {
11029 GameListPopUp(f, title);
11036 return LoadGame(f, n, title, FALSE);
11041 MakeRegisteredMove()
11043 int fromX, fromY, toX, toY;
11045 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11046 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11049 if (appData.debugMode)
11050 fprintf(debugFP, "Restoring %s for game %d\n",
11051 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11053 thinkOutput[0] = NULLCHAR;
11054 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11055 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11056 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11057 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11058 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11059 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11060 MakeMove(fromX, fromY, toX, toY, promoChar);
11061 ShowMove(fromX, fromY, toX, toY);
11063 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11070 if (WhiteOnMove(currentMove)) {
11071 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11073 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11078 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11085 if (WhiteOnMove(currentMove)) {
11086 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11088 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11093 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11104 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11106 CmailLoadGame(f, gameNumber, title, useList)
11114 if (gameNumber > nCmailGames) {
11115 DisplayError(_("No more games in this message"), 0);
11118 if (f == lastLoadGameFP) {
11119 int offset = gameNumber - lastLoadGameNumber;
11121 cmailMsg[0] = NULLCHAR;
11122 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11123 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11124 nCmailMovesRegistered--;
11126 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11127 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11128 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11131 if (! RegisterMove()) return FALSE;
11135 retVal = LoadGame(f, gameNumber, title, useList);
11137 /* Make move registered during previous look at this game, if any */
11138 MakeRegisteredMove();
11140 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11141 commentList[currentMove]
11142 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11143 DisplayComment(currentMove - 1, commentList[currentMove]);
11149 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11154 int gameNumber = lastLoadGameNumber + offset;
11155 if (lastLoadGameFP == NULL) {
11156 DisplayError(_("No game has been loaded yet"), 0);
11159 if (gameNumber <= 0) {
11160 DisplayError(_("Can't back up any further"), 0);
11163 if (cmailMsgLoaded) {
11164 return CmailLoadGame(lastLoadGameFP, gameNumber,
11165 lastLoadGameTitle, lastLoadGameUseList);
11167 return LoadGame(lastLoadGameFP, gameNumber,
11168 lastLoadGameTitle, lastLoadGameUseList);
11172 int keys[EmptySquare+1];
11175 PositionMatches(Board b1, Board b2)
11178 switch(appData.searchMode) {
11179 case 1: return CompareWithRights(b1, b2);
11181 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11182 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11186 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11187 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11188 sum += keys[b1[r][f]] - keys[b2[r][f]];
11192 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11193 sum += keys[b1[r][f]] - keys[b2[r][f]];
11205 int pieceList[256], quickBoard[256];
11206 ChessSquare pieceType[256] = { EmptySquare };
11207 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11208 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11209 int soughtTotal, turn;
11210 Boolean epOK, flipSearch;
11213 unsigned char piece, to;
11216 #define DSIZE (250000)
11218 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11219 Move *moveDatabase = initialSpace;
11220 unsigned int movePtr, dataSize = DSIZE;
11222 int MakePieceList(Board board, int *counts)
11224 int r, f, n=Q_PROMO, total=0;
11225 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11226 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11227 int sq = f + (r<<4);
11228 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11229 quickBoard[sq] = ++n;
11231 pieceType[n] = board[r][f];
11232 counts[board[r][f]]++;
11233 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11234 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11238 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11242 void PackMove(int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11244 int sq = fromX + (fromY<<4);
11245 int piece = quickBoard[sq];
11246 quickBoard[sq] = 0;
11247 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11248 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11249 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11250 moveDatabase[movePtr++].piece = Q_WCASTL;
11251 quickBoard[sq] = piece;
11252 piece = quickBoard[from]; quickBoard[from] = 0;
11253 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11255 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11256 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11257 moveDatabase[movePtr++].piece = Q_BCASTL;
11258 quickBoard[sq] = piece;
11259 piece = quickBoard[from]; quickBoard[from] = 0;
11260 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11262 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11263 quickBoard[(fromY<<4)+toX] = 0;
11264 moveDatabase[movePtr].piece = Q_EP;
11265 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11266 moveDatabase[movePtr].to = sq;
11268 if(promoPiece != pieceType[piece]) {
11269 moveDatabase[movePtr++].piece = Q_PROMO;
11270 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11272 moveDatabase[movePtr].piece = piece;
11273 quickBoard[sq] = piece;
11277 int PackGame(Board board)
11279 Move *newSpace = NULL;
11280 moveDatabase[movePtr].piece = 0; // terminate previous game
11281 if(movePtr > dataSize) {
11282 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11283 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11284 if(dataSize) newSpace = (Move*) calloc(8*dataSize + 1000, sizeof(Move));
11287 Move *p = moveDatabase, *q = newSpace;
11288 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11289 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11290 moveDatabase = newSpace;
11291 } else { // calloc failed, we must be out of memory. Too bad...
11292 dataSize = 0; // prevent calloc events for all subsequent games
11293 return 0; // and signal this one isn't cached
11297 MakePieceList(board, counts);
11301 int QuickCompare(Board board, int *minCounts, int *maxCounts)
11302 { // compare according to search mode
11304 switch(appData.searchMode)
11306 case 1: // exact position match
11307 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11308 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11309 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11312 case 2: // can have extra material on empty squares
11313 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11314 if(board[r][f] == EmptySquare) continue;
11315 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11318 case 3: // material with exact Pawn structure
11319 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11320 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11321 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11322 } // fall through to material comparison
11323 case 4: // exact material
11324 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11326 case 6: // material range with given imbalance
11327 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11328 // fall through to range comparison
11329 case 5: // material range
11330 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11335 int QuickScan(Board board, Move *move)
11336 { // reconstruct game,and compare all positions in it
11337 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11339 int piece = move->piece;
11340 int to = move->to, from = pieceList[piece];
11341 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11342 if(!piece) return -1;
11343 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11344 piece = (++move)->piece;
11345 from = pieceList[piece];
11346 counts[pieceType[piece]]--;
11347 pieceType[piece] = (ChessSquare) move->to;
11348 counts[move->to]++;
11349 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11350 counts[pieceType[quickBoard[to]]]--;
11351 quickBoard[to] = 0; total--;
11354 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11355 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11356 from = pieceList[piece]; // so this must be King
11357 quickBoard[from] = 0;
11358 quickBoard[to] = piece;
11359 pieceList[piece] = to;
11364 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11365 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11366 quickBoard[from] = 0;
11367 quickBoard[to] = piece;
11368 pieceList[piece] = to;
11370 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11371 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11372 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11373 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11375 static int lastCounts[EmptySquare+1];
11377 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11378 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11379 } else stretch = 0;
11380 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11388 flipSearch = FALSE;
11389 CopyBoard(soughtBoard, boards[currentMove]);
11390 soughtTotal = MakePieceList(soughtBoard, maxSought);
11391 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11392 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11393 CopyBoard(reverseBoard, boards[currentMove]);
11394 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11395 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11396 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11397 reverseBoard[r][f] = piece;
11399 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11400 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11401 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11402 || (boards[currentMove][CASTLING][2] == NoRights ||
11403 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11404 && (boards[currentMove][CASTLING][5] == NoRights ||
11405 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11408 CopyBoard(flipBoard, soughtBoard);
11409 CopyBoard(rotateBoard, reverseBoard);
11410 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11411 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11412 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11415 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11416 if(appData.searchMode >= 5) {
11417 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11418 MakePieceList(soughtBoard, minSought);
11419 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11421 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11422 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11425 GameInfo dummyInfo;
11427 int GameContainsPosition(FILE *f, ListGame *lg)
11429 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11430 int fromX, fromY, toX, toY;
11432 static int initDone=FALSE;
11434 // weed out games based on numerical tag comparison
11435 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11436 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11437 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11438 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11440 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11443 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11444 else CopyBoard(boards[scratch], initialPosition); // default start position
11447 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11448 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11451 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11452 fseek(f, lg->offset, 0);
11455 yyboardindex = scratch;
11456 quickFlag = plyNr+1;
11461 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11467 if(plyNr) return -1; // after we have seen moves, this is for new game
11470 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11471 case ImpossibleMove:
11472 case WhiteWins: // game ends here with these four
11475 case GameUnfinished:
11479 if(appData.testLegality) return -1;
11480 case WhiteCapturesEnPassant:
11481 case BlackCapturesEnPassant:
11482 case WhitePromotion:
11483 case BlackPromotion:
11484 case WhiteNonPromotion:
11485 case BlackNonPromotion:
11487 case WhiteKingSideCastle:
11488 case WhiteQueenSideCastle:
11489 case BlackKingSideCastle:
11490 case BlackQueenSideCastle:
11491 case WhiteKingSideCastleWild:
11492 case WhiteQueenSideCastleWild:
11493 case BlackKingSideCastleWild:
11494 case BlackQueenSideCastleWild:
11495 case WhiteHSideCastleFR:
11496 case WhiteASideCastleFR:
11497 case BlackHSideCastleFR:
11498 case BlackASideCastleFR:
11499 fromX = currentMoveString[0] - AAA;
11500 fromY = currentMoveString[1] - ONE;
11501 toX = currentMoveString[2] - AAA;
11502 toY = currentMoveString[3] - ONE;
11503 promoChar = currentMoveString[4];
11507 fromX = next == WhiteDrop ?
11508 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11509 (int) CharToPiece(ToLower(currentMoveString[0]));
11511 toX = currentMoveString[2] - AAA;
11512 toY = currentMoveString[3] - ONE;
11516 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11518 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11519 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11520 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11521 if(appData.findMirror) {
11522 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11523 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11528 /* Load the nth game from open file f */
11530 LoadGame(f, gameNumber, title, useList)
11538 int gn = gameNumber;
11539 ListGame *lg = NULL;
11540 int numPGNTags = 0;
11542 GameMode oldGameMode;
11543 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11545 if (appData.debugMode)
11546 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11548 if (gameMode == Training )
11549 SetTrainingModeOff();
11551 oldGameMode = gameMode;
11552 if (gameMode != BeginningOfGame) {
11553 Reset(FALSE, TRUE);
11557 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11558 fclose(lastLoadGameFP);
11562 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11565 fseek(f, lg->offset, 0);
11566 GameListHighlight(gameNumber);
11567 pos = lg->position;
11571 DisplayError(_("Game number out of range"), 0);
11576 if (fseek(f, 0, 0) == -1) {
11577 if (f == lastLoadGameFP ?
11578 gameNumber == lastLoadGameNumber + 1 :
11582 DisplayError(_("Can't seek on game file"), 0);
11587 lastLoadGameFP = f;
11588 lastLoadGameNumber = gameNumber;
11589 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11590 lastLoadGameUseList = useList;
11594 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11595 snprintf(buf, sizeof(buf), _("%s vs. %s"), lg->gameInfo.white,
11596 lg->gameInfo.black);
11598 } else if (*title != NULLCHAR) {
11599 if (gameNumber > 1) {
11600 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11603 DisplayTitle(title);
11607 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11608 gameMode = PlayFromGameFile;
11612 currentMove = forwardMostMove = backwardMostMove = 0;
11613 CopyBoard(boards[0], initialPosition);
11617 * Skip the first gn-1 games in the file.
11618 * Also skip over anything that precedes an identifiable
11619 * start of game marker, to avoid being confused by
11620 * garbage at the start of the file. Currently
11621 * recognized start of game markers are the move number "1",
11622 * the pattern "gnuchess .* game", the pattern
11623 * "^[#;%] [^ ]* game file", and a PGN tag block.
11624 * A game that starts with one of the latter two patterns
11625 * will also have a move number 1, possibly
11626 * following a position diagram.
11627 * 5-4-02: Let's try being more lenient and allowing a game to
11628 * start with an unnumbered move. Does that break anything?
11630 cm = lastLoadGameStart = EndOfFile;
11632 yyboardindex = forwardMostMove;
11633 cm = (ChessMove) Myylex();
11636 if (cmailMsgLoaded) {
11637 nCmailGames = CMAIL_MAX_GAMES - gn;
11640 DisplayError(_("Game not found in file"), 0);
11647 lastLoadGameStart = cm;
11650 case MoveNumberOne:
11651 switch (lastLoadGameStart) {
11656 case MoveNumberOne:
11658 gn--; /* count this game */
11659 lastLoadGameStart = cm;
11668 switch (lastLoadGameStart) {
11671 case MoveNumberOne:
11673 gn--; /* count this game */
11674 lastLoadGameStart = cm;
11677 lastLoadGameStart = cm; /* game counted already */
11685 yyboardindex = forwardMostMove;
11686 cm = (ChessMove) Myylex();
11687 } while (cm == PGNTag || cm == Comment);
11694 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11695 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11696 != CMAIL_OLD_RESULT) {
11698 cmailResult[ CMAIL_MAX_GAMES
11699 - gn - 1] = CMAIL_OLD_RESULT;
11705 /* Only a NormalMove can be at the start of a game
11706 * without a position diagram. */
11707 if (lastLoadGameStart == EndOfFile ) {
11709 lastLoadGameStart = MoveNumberOne;
11718 if (appData.debugMode)
11719 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11721 if (cm == XBoardGame) {
11722 /* Skip any header junk before position diagram and/or move 1 */
11724 yyboardindex = forwardMostMove;
11725 cm = (ChessMove) Myylex();
11727 if (cm == EndOfFile ||
11728 cm == GNUChessGame || cm == XBoardGame) {
11729 /* Empty game; pretend end-of-file and handle later */
11734 if (cm == MoveNumberOne || cm == PositionDiagram ||
11735 cm == PGNTag || cm == Comment)
11738 } else if (cm == GNUChessGame) {
11739 if (gameInfo.event != NULL) {
11740 free(gameInfo.event);
11742 gameInfo.event = StrSave(yy_text);
11745 startedFromSetupPosition = FALSE;
11746 while (cm == PGNTag) {
11747 if (appData.debugMode)
11748 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11749 err = ParsePGNTag(yy_text, &gameInfo);
11750 if (!err) numPGNTags++;
11752 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11753 if(gameInfo.variant != oldVariant) {
11754 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11755 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11756 InitPosition(TRUE);
11757 oldVariant = gameInfo.variant;
11758 if (appData.debugMode)
11759 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11763 if (gameInfo.fen != NULL) {
11764 Board initial_position;
11765 startedFromSetupPosition = TRUE;
11766 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11768 DisplayError(_("Bad FEN position in file"), 0);
11771 CopyBoard(boards[0], initial_position);
11772 if (blackPlaysFirst) {
11773 currentMove = forwardMostMove = backwardMostMove = 1;
11774 CopyBoard(boards[1], initial_position);
11775 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11776 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11777 timeRemaining[0][1] = whiteTimeRemaining;
11778 timeRemaining[1][1] = blackTimeRemaining;
11779 if (commentList[0] != NULL) {
11780 commentList[1] = commentList[0];
11781 commentList[0] = NULL;
11784 currentMove = forwardMostMove = backwardMostMove = 0;
11786 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11788 initialRulePlies = FENrulePlies;
11789 for( i=0; i< nrCastlingRights; i++ )
11790 initialRights[i] = initial_position[CASTLING][i];
11792 yyboardindex = forwardMostMove;
11793 free(gameInfo.fen);
11794 gameInfo.fen = NULL;
11797 yyboardindex = forwardMostMove;
11798 cm = (ChessMove) Myylex();
11800 /* Handle comments interspersed among the tags */
11801 while (cm == Comment) {
11803 if (appData.debugMode)
11804 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11806 AppendComment(currentMove, p, FALSE);
11807 yyboardindex = forwardMostMove;
11808 cm = (ChessMove) Myylex();
11812 /* don't rely on existence of Event tag since if game was
11813 * pasted from clipboard the Event tag may not exist
11815 if (numPGNTags > 0){
11817 if (gameInfo.variant == VariantNormal) {
11818 VariantClass v = StringToVariant(gameInfo.event);
11819 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11820 if(v < VariantShogi) gameInfo.variant = v;
11823 if( appData.autoDisplayTags ) {
11824 tags = PGNTags(&gameInfo);
11825 TagsPopUp(tags, CmailMsg());
11830 /* Make something up, but don't display it now */
11835 if (cm == PositionDiagram) {
11838 Board initial_position;
11840 if (appData.debugMode)
11841 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11843 if (!startedFromSetupPosition) {
11845 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11846 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11857 initial_position[i][j++] = CharToPiece(*p);
11860 while (*p == ' ' || *p == '\t' ||
11861 *p == '\n' || *p == '\r') p++;
11863 if (strncmp(p, "black", strlen("black"))==0)
11864 blackPlaysFirst = TRUE;
11866 blackPlaysFirst = FALSE;
11867 startedFromSetupPosition = TRUE;
11869 CopyBoard(boards[0], initial_position);
11870 if (blackPlaysFirst) {
11871 currentMove = forwardMostMove = backwardMostMove = 1;
11872 CopyBoard(boards[1], initial_position);
11873 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11874 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11875 timeRemaining[0][1] = whiteTimeRemaining;
11876 timeRemaining[1][1] = blackTimeRemaining;
11877 if (commentList[0] != NULL) {
11878 commentList[1] = commentList[0];
11879 commentList[0] = NULL;
11882 currentMove = forwardMostMove = backwardMostMove = 0;
11885 yyboardindex = forwardMostMove;
11886 cm = (ChessMove) Myylex();
11889 if (first.pr == NoProc) {
11890 StartChessProgram(&first);
11892 InitChessProgram(&first, FALSE);
11893 SendToProgram("force\n", &first);
11894 if (startedFromSetupPosition) {
11895 SendBoard(&first, forwardMostMove);
11896 if (appData.debugMode) {
11897 fprintf(debugFP, "Load Game\n");
11899 DisplayBothClocks();
11902 /* [HGM] server: flag to write setup moves in broadcast file as one */
11903 loadFlag = appData.suppressLoadMoves;
11905 while (cm == Comment) {
11907 if (appData.debugMode)
11908 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11910 AppendComment(currentMove, p, FALSE);
11911 yyboardindex = forwardMostMove;
11912 cm = (ChessMove) Myylex();
11915 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11916 cm == WhiteWins || cm == BlackWins ||
11917 cm == GameIsDrawn || cm == GameUnfinished) {
11918 DisplayMessage("", _("No moves in game"));
11919 if (cmailMsgLoaded) {
11920 if (appData.debugMode)
11921 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11925 DrawPosition(FALSE, boards[currentMove]);
11926 DisplayBothClocks();
11927 gameMode = EditGame;
11934 // [HGM] PV info: routine tests if comment empty
11935 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11936 DisplayComment(currentMove - 1, commentList[currentMove]);
11938 if (!matchMode && appData.timeDelay != 0)
11939 DrawPosition(FALSE, boards[currentMove]);
11941 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11942 programStats.ok_to_send = 1;
11945 /* if the first token after the PGN tags is a move
11946 * and not move number 1, retrieve it from the parser
11948 if (cm != MoveNumberOne)
11949 LoadGameOneMove(cm);
11951 /* load the remaining moves from the file */
11952 while (LoadGameOneMove(EndOfFile)) {
11953 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11954 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11957 /* rewind to the start of the game */
11958 currentMove = backwardMostMove;
11960 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11962 if (oldGameMode == AnalyzeFile ||
11963 oldGameMode == AnalyzeMode) {
11964 AnalyzeFileEvent();
11967 if (!matchMode && pos >= 0) {
11968 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11970 if (matchMode || appData.timeDelay == 0) {
11972 } else if (appData.timeDelay > 0) {
11973 AutoPlayGameLoop();
11976 if (appData.debugMode)
11977 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11979 loadFlag = 0; /* [HGM] true game starts */
11983 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11985 ReloadPosition(offset)
11988 int positionNumber = lastLoadPositionNumber + offset;
11989 if (lastLoadPositionFP == NULL) {
11990 DisplayError(_("No position has been loaded yet"), 0);
11993 if (positionNumber <= 0) {
11994 DisplayError(_("Can't back up any further"), 0);
11997 return LoadPosition(lastLoadPositionFP, positionNumber,
11998 lastLoadPositionTitle);
12001 /* Load the nth position from the given file */
12003 LoadPositionFromFile(filename, n, title)
12011 if (strcmp(filename, "-") == 0) {
12012 return LoadPosition(stdin, n, "stdin");
12014 f = fopen(filename, "rb");
12016 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12017 DisplayError(buf, errno);
12020 return LoadPosition(f, n, title);
12025 /* Load the nth position from the given open file, and close it */
12027 LoadPosition(f, positionNumber, title)
12029 int positionNumber;
12032 char *p, line[MSG_SIZ];
12033 Board initial_position;
12034 int i, j, fenMode, pn;
12036 if (gameMode == Training )
12037 SetTrainingModeOff();
12039 if (gameMode != BeginningOfGame) {
12040 Reset(FALSE, TRUE);
12042 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12043 fclose(lastLoadPositionFP);
12045 if (positionNumber == 0) positionNumber = 1;
12046 lastLoadPositionFP = f;
12047 lastLoadPositionNumber = positionNumber;
12048 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12049 if (first.pr == NoProc && !appData.noChessProgram) {
12050 StartChessProgram(&first);
12051 InitChessProgram(&first, FALSE);
12053 pn = positionNumber;
12054 if (positionNumber < 0) {
12055 /* Negative position number means to seek to that byte offset */
12056 if (fseek(f, -positionNumber, 0) == -1) {
12057 DisplayError(_("Can't seek on position file"), 0);
12062 if (fseek(f, 0, 0) == -1) {
12063 if (f == lastLoadPositionFP ?
12064 positionNumber == lastLoadPositionNumber + 1 :
12065 positionNumber == 1) {
12068 DisplayError(_("Can't seek on position file"), 0);
12073 /* See if this file is FEN or old-style xboard */
12074 if (fgets(line, MSG_SIZ, f) == NULL) {
12075 DisplayError(_("Position not found in file"), 0);
12078 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12079 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12082 if (fenMode || line[0] == '#') pn--;
12084 /* skip positions before number pn */
12085 if (fgets(line, MSG_SIZ, f) == NULL) {
12087 DisplayError(_("Position not found in file"), 0);
12090 if (fenMode || line[0] == '#') pn--;
12095 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12096 DisplayError(_("Bad FEN position in file"), 0);
12100 (void) fgets(line, MSG_SIZ, f);
12101 (void) fgets(line, MSG_SIZ, f);
12103 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12104 (void) fgets(line, MSG_SIZ, f);
12105 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12108 initial_position[i][j++] = CharToPiece(*p);
12112 blackPlaysFirst = FALSE;
12114 (void) fgets(line, MSG_SIZ, f);
12115 if (strncmp(line, "black", strlen("black"))==0)
12116 blackPlaysFirst = TRUE;
12119 startedFromSetupPosition = TRUE;
12121 CopyBoard(boards[0], initial_position);
12122 if (blackPlaysFirst) {
12123 currentMove = forwardMostMove = backwardMostMove = 1;
12124 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12125 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12126 CopyBoard(boards[1], initial_position);
12127 DisplayMessage("", _("Black to play"));
12129 currentMove = forwardMostMove = backwardMostMove = 0;
12130 DisplayMessage("", _("White to play"));
12132 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12133 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12134 SendToProgram("force\n", &first);
12135 SendBoard(&first, forwardMostMove);
12137 if (appData.debugMode) {
12139 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12140 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12141 fprintf(debugFP, "Load Position\n");
12144 if (positionNumber > 1) {
12145 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12146 DisplayTitle(line);
12148 DisplayTitle(title);
12150 gameMode = EditGame;
12153 timeRemaining[0][1] = whiteTimeRemaining;
12154 timeRemaining[1][1] = blackTimeRemaining;
12155 DrawPosition(FALSE, boards[currentMove]);
12162 CopyPlayerNameIntoFileName(dest, src)
12165 while (*src != NULLCHAR && *src != ',') {
12170 *(*dest)++ = *src++;
12175 char *DefaultFileName(ext)
12178 static char def[MSG_SIZ];
12181 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12183 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12185 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12187 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12194 /* Save the current game to the given file */
12196 SaveGameToFile(filename, append)
12202 int result, i, t,tot=0;
12204 if (strcmp(filename, "-") == 0) {
12205 return SaveGame(stdout, 0, NULL);
12207 for(i=0; i<10; i++) { // upto 10 tries
12208 f = fopen(filename, append ? "a" : "w");
12209 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12210 if(f || errno != 13) break;
12211 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12215 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12216 DisplayError(buf, errno);
12219 safeStrCpy(buf, lastMsg, MSG_SIZ);
12220 DisplayMessage(_("Waiting for access to save file"), "");
12221 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12222 DisplayMessage(_("Saving game"), "");
12223 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12224 result = SaveGame(f, 0, NULL);
12225 DisplayMessage(buf, "");
12235 static char buf[MSG_SIZ];
12238 p = strchr(str, ' ');
12239 if (p == NULL) return str;
12240 strncpy(buf, str, p - str);
12241 buf[p - str] = NULLCHAR;
12245 #define PGN_MAX_LINE 75
12247 #define PGN_SIDE_WHITE 0
12248 #define PGN_SIDE_BLACK 1
12251 static int FindFirstMoveOutOfBook( int side )
12255 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12256 int index = backwardMostMove;
12257 int has_book_hit = 0;
12259 if( (index % 2) != side ) {
12263 while( index < forwardMostMove ) {
12264 /* Check to see if engine is in book */
12265 int depth = pvInfoList[index].depth;
12266 int score = pvInfoList[index].score;
12272 else if( score == 0 && depth == 63 ) {
12273 in_book = 1; /* Zappa */
12275 else if( score == 2 && depth == 99 ) {
12276 in_book = 1; /* Abrok */
12279 has_book_hit += in_book;
12295 void GetOutOfBookInfo( char * buf )
12299 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12301 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12302 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12306 if( oob[0] >= 0 || oob[1] >= 0 ) {
12307 for( i=0; i<2; i++ ) {
12311 if( i > 0 && oob[0] >= 0 ) {
12312 strcat( buf, " " );
12315 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12316 sprintf( buf+strlen(buf), "%s%.2f",
12317 pvInfoList[idx].score >= 0 ? "+" : "",
12318 pvInfoList[idx].score / 100.0 );
12324 /* Save game in PGN style and close the file */
12329 int i, offset, linelen, newblock;
12333 int movelen, numlen, blank;
12334 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12336 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12338 tm = time((time_t *) NULL);
12340 PrintPGNTags(f, &gameInfo);
12342 if (backwardMostMove > 0 || startedFromSetupPosition) {
12343 char *fen = PositionToFEN(backwardMostMove, NULL);
12344 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12345 fprintf(f, "\n{--------------\n");
12346 PrintPosition(f, backwardMostMove);
12347 fprintf(f, "--------------}\n");
12351 /* [AS] Out of book annotation */
12352 if( appData.saveOutOfBookInfo ) {
12355 GetOutOfBookInfo( buf );
12357 if( buf[0] != '\0' ) {
12358 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12365 i = backwardMostMove;
12369 while (i < forwardMostMove) {
12370 /* Print comments preceding this move */
12371 if (commentList[i] != NULL) {
12372 if (linelen > 0) fprintf(f, "\n");
12373 fprintf(f, "%s", commentList[i]);
12378 /* Format move number */
12380 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12383 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12385 numtext[0] = NULLCHAR;
12387 numlen = strlen(numtext);
12390 /* Print move number */
12391 blank = linelen > 0 && numlen > 0;
12392 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12401 fprintf(f, "%s", numtext);
12405 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12406 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12409 blank = linelen > 0 && movelen > 0;
12410 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12419 fprintf(f, "%s", move_buffer);
12420 linelen += movelen;
12422 /* [AS] Add PV info if present */
12423 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12424 /* [HGM] add time */
12425 char buf[MSG_SIZ]; int seconds;
12427 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12433 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12436 seconds = (seconds + 4)/10; // round to full seconds
12438 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12440 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12443 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12444 pvInfoList[i].score >= 0 ? "+" : "",
12445 pvInfoList[i].score / 100.0,
12446 pvInfoList[i].depth,
12449 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12451 /* Print score/depth */
12452 blank = linelen > 0 && movelen > 0;
12453 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12462 fprintf(f, "%s", move_buffer);
12463 linelen += movelen;
12469 /* Start a new line */
12470 if (linelen > 0) fprintf(f, "\n");
12472 /* Print comments after last move */
12473 if (commentList[i] != NULL) {
12474 fprintf(f, "%s\n", commentList[i]);
12478 if (gameInfo.resultDetails != NULL &&
12479 gameInfo.resultDetails[0] != NULLCHAR) {
12480 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12481 PGNResult(gameInfo.result));
12483 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12487 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12491 /* Save game in old style and close the file */
12493 SaveGameOldStyle(f)
12499 tm = time((time_t *) NULL);
12501 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12504 if (backwardMostMove > 0 || startedFromSetupPosition) {
12505 fprintf(f, "\n[--------------\n");
12506 PrintPosition(f, backwardMostMove);
12507 fprintf(f, "--------------]\n");
12512 i = backwardMostMove;
12513 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12515 while (i < forwardMostMove) {
12516 if (commentList[i] != NULL) {
12517 fprintf(f, "[%s]\n", commentList[i]);
12520 if ((i % 2) == 1) {
12521 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12524 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12526 if (commentList[i] != NULL) {
12530 if (i >= forwardMostMove) {
12534 fprintf(f, "%s\n", parseList[i]);
12539 if (commentList[i] != NULL) {
12540 fprintf(f, "[%s]\n", commentList[i]);
12543 /* This isn't really the old style, but it's close enough */
12544 if (gameInfo.resultDetails != NULL &&
12545 gameInfo.resultDetails[0] != NULLCHAR) {
12546 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12547 gameInfo.resultDetails);
12549 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12556 /* Save the current game to open file f and close the file */
12558 SaveGame(f, dummy, dummy2)
12563 if (gameMode == EditPosition) EditPositionDone(TRUE);
12564 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12565 if (appData.oldSaveStyle)
12566 return SaveGameOldStyle(f);
12568 return SaveGamePGN(f);
12571 /* Save the current position to the given file */
12573 SavePositionToFile(filename)
12579 if (strcmp(filename, "-") == 0) {
12580 return SavePosition(stdout, 0, NULL);
12582 f = fopen(filename, "a");
12584 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12585 DisplayError(buf, errno);
12588 safeStrCpy(buf, lastMsg, MSG_SIZ);
12589 DisplayMessage(_("Waiting for access to save file"), "");
12590 flock(fileno(f), LOCK_EX); // [HGM] lock
12591 DisplayMessage(_("Saving position"), "");
12592 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12593 SavePosition(f, 0, NULL);
12594 DisplayMessage(buf, "");
12600 /* Save the current position to the given open file and close the file */
12602 SavePosition(f, dummy, dummy2)
12610 if (gameMode == EditPosition) EditPositionDone(TRUE);
12611 if (appData.oldSaveStyle) {
12612 tm = time((time_t *) NULL);
12614 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12616 fprintf(f, "[--------------\n");
12617 PrintPosition(f, currentMove);
12618 fprintf(f, "--------------]\n");
12620 fen = PositionToFEN(currentMove, NULL);
12621 fprintf(f, "%s\n", fen);
12629 ReloadCmailMsgEvent(unregister)
12633 static char *inFilename = NULL;
12634 static char *outFilename;
12636 struct stat inbuf, outbuf;
12639 /* Any registered moves are unregistered if unregister is set, */
12640 /* i.e. invoked by the signal handler */
12642 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12643 cmailMoveRegistered[i] = FALSE;
12644 if (cmailCommentList[i] != NULL) {
12645 free(cmailCommentList[i]);
12646 cmailCommentList[i] = NULL;
12649 nCmailMovesRegistered = 0;
12652 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12653 cmailResult[i] = CMAIL_NOT_RESULT;
12657 if (inFilename == NULL) {
12658 /* Because the filenames are static they only get malloced once */
12659 /* and they never get freed */
12660 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12661 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12663 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12664 sprintf(outFilename, "%s.out", appData.cmailGameName);
12667 status = stat(outFilename, &outbuf);
12669 cmailMailedMove = FALSE;
12671 status = stat(inFilename, &inbuf);
12672 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12675 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12676 counts the games, notes how each one terminated, etc.
12678 It would be nice to remove this kludge and instead gather all
12679 the information while building the game list. (And to keep it
12680 in the game list nodes instead of having a bunch of fixed-size
12681 parallel arrays.) Note this will require getting each game's
12682 termination from the PGN tags, as the game list builder does
12683 not process the game moves. --mann
12685 cmailMsgLoaded = TRUE;
12686 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12688 /* Load first game in the file or popup game menu */
12689 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12691 #endif /* !WIN32 */
12699 char string[MSG_SIZ];
12701 if ( cmailMailedMove
12702 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12703 return TRUE; /* Allow free viewing */
12706 /* Unregister move to ensure that we don't leave RegisterMove */
12707 /* with the move registered when the conditions for registering no */
12709 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12710 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12711 nCmailMovesRegistered --;
12713 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12715 free(cmailCommentList[lastLoadGameNumber - 1]);
12716 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12720 if (cmailOldMove == -1) {
12721 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12725 if (currentMove > cmailOldMove + 1) {
12726 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12730 if (currentMove < cmailOldMove) {
12731 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12735 if (forwardMostMove > currentMove) {
12736 /* Silently truncate extra moves */
12740 if ( (currentMove == cmailOldMove + 1)
12741 || ( (currentMove == cmailOldMove)
12742 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12743 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12744 if (gameInfo.result != GameUnfinished) {
12745 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12748 if (commentList[currentMove] != NULL) {
12749 cmailCommentList[lastLoadGameNumber - 1]
12750 = StrSave(commentList[currentMove]);
12752 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12754 if (appData.debugMode)
12755 fprintf(debugFP, "Saving %s for game %d\n",
12756 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12758 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12760 f = fopen(string, "w");
12761 if (appData.oldSaveStyle) {
12762 SaveGameOldStyle(f); /* also closes the file */
12764 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12765 f = fopen(string, "w");
12766 SavePosition(f, 0, NULL); /* also closes the file */
12768 fprintf(f, "{--------------\n");
12769 PrintPosition(f, currentMove);
12770 fprintf(f, "--------------}\n\n");
12772 SaveGame(f, 0, NULL); /* also closes the file*/
12775 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12776 nCmailMovesRegistered ++;
12777 } else if (nCmailGames == 1) {
12778 DisplayError(_("You have not made a move yet"), 0);
12789 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12790 FILE *commandOutput;
12791 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12792 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12798 if (! cmailMsgLoaded) {
12799 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12803 if (nCmailGames == nCmailResults) {
12804 DisplayError(_("No unfinished games"), 0);
12808 #if CMAIL_PROHIBIT_REMAIL
12809 if (cmailMailedMove) {
12810 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);
12811 DisplayError(msg, 0);
12816 if (! (cmailMailedMove || RegisterMove())) return;
12818 if ( cmailMailedMove
12819 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12820 snprintf(string, MSG_SIZ, partCommandString,
12821 appData.debugMode ? " -v" : "", appData.cmailGameName);
12822 commandOutput = popen(string, "r");
12824 if (commandOutput == NULL) {
12825 DisplayError(_("Failed to invoke cmail"), 0);
12827 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12828 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12830 if (nBuffers > 1) {
12831 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12832 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12833 nBytes = MSG_SIZ - 1;
12835 (void) memcpy(msg, buffer, nBytes);
12837 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12839 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12840 cmailMailedMove = TRUE; /* Prevent >1 moves */
12843 for (i = 0; i < nCmailGames; i ++) {
12844 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12849 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12851 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12853 appData.cmailGameName,
12855 LoadGameFromFile(buffer, 1, buffer, FALSE);
12856 cmailMsgLoaded = FALSE;
12860 DisplayInformation(msg);
12861 pclose(commandOutput);
12864 if ((*cmailMsg) != '\0') {
12865 DisplayInformation(cmailMsg);
12870 #endif /* !WIN32 */
12879 int prependComma = 0;
12881 char string[MSG_SIZ]; /* Space for game-list */
12884 if (!cmailMsgLoaded) return "";
12886 if (cmailMailedMove) {
12887 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12889 /* Create a list of games left */
12890 snprintf(string, MSG_SIZ, "[");
12891 for (i = 0; i < nCmailGames; i ++) {
12892 if (! ( cmailMoveRegistered[i]
12893 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12894 if (prependComma) {
12895 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12897 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12901 strcat(string, number);
12904 strcat(string, "]");
12906 if (nCmailMovesRegistered + nCmailResults == 0) {
12907 switch (nCmailGames) {
12909 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12913 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12917 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12922 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12924 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12929 if (nCmailResults == nCmailGames) {
12930 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12932 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12937 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12949 if (gameMode == Training)
12950 SetTrainingModeOff();
12953 cmailMsgLoaded = FALSE;
12954 if (appData.icsActive) {
12955 SendToICS(ics_prefix);
12956 SendToICS("refresh\n");
12966 /* Give up on clean exit */
12970 /* Keep trying for clean exit */
12974 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12976 if (telnetISR != NULL) {
12977 RemoveInputSource(telnetISR);
12979 if (icsPR != NoProc) {
12980 DestroyChildProcess(icsPR, TRUE);
12983 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12984 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12986 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12987 /* make sure this other one finishes before killing it! */
12988 if(endingGame) { int count = 0;
12989 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12990 while(endingGame && count++ < 10) DoSleep(1);
12991 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12994 /* Kill off chess programs */
12995 if (first.pr != NoProc) {
12998 DoSleep( appData.delayBeforeQuit );
12999 SendToProgram("quit\n", &first);
13000 DoSleep( appData.delayAfterQuit );
13001 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13003 if (second.pr != NoProc) {
13004 DoSleep( appData.delayBeforeQuit );
13005 SendToProgram("quit\n", &second);
13006 DoSleep( appData.delayAfterQuit );
13007 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13009 if (first.isr != NULL) {
13010 RemoveInputSource(first.isr);
13012 if (second.isr != NULL) {
13013 RemoveInputSource(second.isr);
13016 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13017 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13019 ShutDownFrontEnd();
13026 if (appData.debugMode)
13027 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13031 if (gameMode == MachinePlaysWhite ||
13032 gameMode == MachinePlaysBlack) {
13035 DisplayBothClocks();
13037 if (gameMode == PlayFromGameFile) {
13038 if (appData.timeDelay >= 0)
13039 AutoPlayGameLoop();
13040 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13041 Reset(FALSE, TRUE);
13042 SendToICS(ics_prefix);
13043 SendToICS("refresh\n");
13044 } else if (currentMove < forwardMostMove) {
13045 ForwardInner(forwardMostMove);
13047 pauseExamInvalid = FALSE;
13049 switch (gameMode) {
13053 pauseExamForwardMostMove = forwardMostMove;
13054 pauseExamInvalid = FALSE;
13057 case IcsPlayingWhite:
13058 case IcsPlayingBlack:
13062 case PlayFromGameFile:
13063 (void) StopLoadGameTimer();
13067 case BeginningOfGame:
13068 if (appData.icsActive) return;
13069 /* else fall through */
13070 case MachinePlaysWhite:
13071 case MachinePlaysBlack:
13072 case TwoMachinesPlay:
13073 if (forwardMostMove == 0)
13074 return; /* don't pause if no one has moved */
13075 if ((gameMode == MachinePlaysWhite &&
13076 !WhiteOnMove(forwardMostMove)) ||
13077 (gameMode == MachinePlaysBlack &&
13078 WhiteOnMove(forwardMostMove))) {
13091 char title[MSG_SIZ];
13093 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13094 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13096 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13097 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13098 parseList[currentMove - 1]);
13101 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13108 char *tags = PGNTags(&gameInfo);
13110 EditTagsPopUp(tags, NULL);
13117 if (appData.noChessProgram || gameMode == AnalyzeMode)
13120 if (gameMode != AnalyzeFile) {
13121 if (!appData.icsEngineAnalyze) {
13123 if (gameMode != EditGame) return;
13125 ResurrectChessProgram();
13126 SendToProgram("analyze\n", &first);
13127 first.analyzing = TRUE;
13128 /*first.maybeThinking = TRUE;*/
13129 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13130 EngineOutputPopUp();
13132 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13137 StartAnalysisClock();
13138 GetTimeMark(&lastNodeCountTime);
13145 if (appData.noChessProgram || gameMode == AnalyzeFile)
13148 if (gameMode != AnalyzeMode) {
13150 if (gameMode != EditGame) return;
13151 ResurrectChessProgram();
13152 SendToProgram("analyze\n", &first);
13153 first.analyzing = TRUE;
13154 /*first.maybeThinking = TRUE;*/
13155 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13156 EngineOutputPopUp();
13158 gameMode = AnalyzeFile;
13163 StartAnalysisClock();
13164 GetTimeMark(&lastNodeCountTime);
13166 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13170 MachineWhiteEvent()
13173 char *bookHit = NULL;
13175 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13179 if (gameMode == PlayFromGameFile ||
13180 gameMode == TwoMachinesPlay ||
13181 gameMode == Training ||
13182 gameMode == AnalyzeMode ||
13183 gameMode == EndOfGame)
13186 if (gameMode == EditPosition)
13187 EditPositionDone(TRUE);
13189 if (!WhiteOnMove(currentMove)) {
13190 DisplayError(_("It is not White's turn"), 0);
13194 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13197 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13198 gameMode == AnalyzeFile)
13201 ResurrectChessProgram(); /* in case it isn't running */
13202 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13203 gameMode = MachinePlaysWhite;
13206 gameMode = MachinePlaysWhite;
13210 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
13212 if (first.sendName) {
13213 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13214 SendToProgram(buf, &first);
13216 if (first.sendTime) {
13217 if (first.useColors) {
13218 SendToProgram("black\n", &first); /*gnu kludge*/
13220 SendTimeRemaining(&first, TRUE);
13222 if (first.useColors) {
13223 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13225 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13226 SetMachineThinkingEnables();
13227 first.maybeThinking = TRUE;
13231 if (appData.autoFlipView && !flipView) {
13232 flipView = !flipView;
13233 DrawPosition(FALSE, NULL);
13234 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13237 if(bookHit) { // [HGM] book: simulate book reply
13238 static char bookMove[MSG_SIZ]; // a bit generous?
13240 programStats.nodes = programStats.depth = programStats.time =
13241 programStats.score = programStats.got_only_move = 0;
13242 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13244 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13245 strcat(bookMove, bookHit);
13246 HandleMachineMove(bookMove, &first);
13251 MachineBlackEvent()
13254 char *bookHit = NULL;
13256 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13260 if (gameMode == PlayFromGameFile ||
13261 gameMode == TwoMachinesPlay ||
13262 gameMode == Training ||
13263 gameMode == AnalyzeMode ||
13264 gameMode == EndOfGame)
13267 if (gameMode == EditPosition)
13268 EditPositionDone(TRUE);
13270 if (WhiteOnMove(currentMove)) {
13271 DisplayError(_("It is not Black's turn"), 0);
13275 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13278 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13279 gameMode == AnalyzeFile)
13282 ResurrectChessProgram(); /* in case it isn't running */
13283 gameMode = MachinePlaysBlack;
13287 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
13289 if (first.sendName) {
13290 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13291 SendToProgram(buf, &first);
13293 if (first.sendTime) {
13294 if (first.useColors) {
13295 SendToProgram("white\n", &first); /*gnu kludge*/
13297 SendTimeRemaining(&first, FALSE);
13299 if (first.useColors) {
13300 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13302 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13303 SetMachineThinkingEnables();
13304 first.maybeThinking = TRUE;
13307 if (appData.autoFlipView && flipView) {
13308 flipView = !flipView;
13309 DrawPosition(FALSE, NULL);
13310 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13312 if(bookHit) { // [HGM] book: simulate book reply
13313 static char bookMove[MSG_SIZ]; // a bit generous?
13315 programStats.nodes = programStats.depth = programStats.time =
13316 programStats.score = programStats.got_only_move = 0;
13317 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13319 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13320 strcat(bookMove, bookHit);
13321 HandleMachineMove(bookMove, &first);
13327 DisplayTwoMachinesTitle()
13330 if (appData.matchGames > 0) {
13331 if(appData.tourneyFile[0]) {
13332 snprintf(buf, MSG_SIZ, _("%s vs. %s (%d/%d%s)"),
13333 gameInfo.white, gameInfo.black,
13334 nextGame+1, appData.matchGames+1,
13335 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13337 if (first.twoMachinesColor[0] == 'w') {
13338 snprintf(buf, MSG_SIZ, _("%s vs. %s (%d-%d-%d)"),
13339 gameInfo.white, gameInfo.black,
13340 first.matchWins, second.matchWins,
13341 matchGame - 1 - (first.matchWins + second.matchWins));
13343 snprintf(buf, MSG_SIZ, _("%s vs. %s (%d-%d-%d)"),
13344 gameInfo.white, gameInfo.black,
13345 second.matchWins, first.matchWins,
13346 matchGame - 1 - (first.matchWins + second.matchWins));
13349 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
13355 SettingsMenuIfReady()
13357 if (second.lastPing != second.lastPong) {
13358 DisplayMessage("", _("Waiting for second chess program"));
13359 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13363 DisplayMessage("", "");
13364 SettingsPopUp(&second);
13368 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
13371 if (cps->pr == NoProc) {
13372 StartChessProgram(cps);
13373 if (cps->protocolVersion == 1) {
13376 /* kludge: allow timeout for initial "feature" command */
13378 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13379 DisplayMessage("", buf);
13380 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13388 TwoMachinesEvent P((void))
13392 ChessProgramState *onmove;
13393 char *bookHit = NULL;
13394 static int stalling = 0;
13398 if (appData.noChessProgram) return;
13400 switch (gameMode) {
13401 case TwoMachinesPlay:
13403 case MachinePlaysWhite:
13404 case MachinePlaysBlack:
13405 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13406 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13410 case BeginningOfGame:
13411 case PlayFromGameFile:
13414 if (gameMode != EditGame) return;
13417 EditPositionDone(TRUE);
13428 // forwardMostMove = currentMove;
13429 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13431 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13433 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13434 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13435 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13439 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13440 SendToProgram("force\n", &second);
13442 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13445 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13446 if(appData.matchPause>10000 || appData.matchPause<10)
13447 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13448 wait = SubtractTimeMarks(&now, &pauseStart);
13449 if(wait < appData.matchPause) {
13450 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13454 DisplayMessage("", "");
13455 if (startedFromSetupPosition) {
13456 SendBoard(&second, backwardMostMove);
13457 if (appData.debugMode) {
13458 fprintf(debugFP, "Two Machines\n");
13461 for (i = backwardMostMove; i < forwardMostMove; i++) {
13462 SendMoveToProgram(i, &second);
13465 gameMode = TwoMachinesPlay;
13467 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13469 DisplayTwoMachinesTitle();
13471 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13476 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13477 SendToProgram(first.computerString, &first);
13478 if (first.sendName) {
13479 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13480 SendToProgram(buf, &first);
13482 SendToProgram(second.computerString, &second);
13483 if (second.sendName) {
13484 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13485 SendToProgram(buf, &second);
13489 if (!first.sendTime || !second.sendTime) {
13490 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13491 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13493 if (onmove->sendTime) {
13494 if (onmove->useColors) {
13495 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13497 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13499 if (onmove->useColors) {
13500 SendToProgram(onmove->twoMachinesColor, onmove);
13502 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13503 // SendToProgram("go\n", onmove);
13504 onmove->maybeThinking = TRUE;
13505 SetMachineThinkingEnables();
13509 if(bookHit) { // [HGM] book: simulate book reply
13510 static char bookMove[MSG_SIZ]; // a bit generous?
13512 programStats.nodes = programStats.depth = programStats.time =
13513 programStats.score = programStats.got_only_move = 0;
13514 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13516 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13517 strcat(bookMove, bookHit);
13518 savedMessage = bookMove; // args for deferred call
13519 savedState = onmove;
13520 ScheduleDelayedEvent(DeferredBookMove, 1);
13527 if (gameMode == Training) {
13528 SetTrainingModeOff();
13529 gameMode = PlayFromGameFile;
13530 DisplayMessage("", _("Training mode off"));
13532 gameMode = Training;
13533 animateTraining = appData.animate;
13535 /* make sure we are not already at the end of the game */
13536 if (currentMove < forwardMostMove) {
13537 SetTrainingModeOn();
13538 DisplayMessage("", _("Training mode on"));
13540 gameMode = PlayFromGameFile;
13541 DisplayError(_("Already at end of game"), 0);
13550 if (!appData.icsActive) return;
13551 switch (gameMode) {
13552 case IcsPlayingWhite:
13553 case IcsPlayingBlack:
13556 case BeginningOfGame:
13564 EditPositionDone(TRUE);
13577 gameMode = IcsIdle;
13588 switch (gameMode) {
13590 SetTrainingModeOff();
13592 case MachinePlaysWhite:
13593 case MachinePlaysBlack:
13594 case BeginningOfGame:
13595 SendToProgram("force\n", &first);
13596 SetUserThinkingEnables();
13598 case PlayFromGameFile:
13599 (void) StopLoadGameTimer();
13600 if (gameFileFP != NULL) {
13605 EditPositionDone(TRUE);
13610 SendToProgram("force\n", &first);
13612 case TwoMachinesPlay:
13613 GameEnds(EndOfFile, NULL, GE_PLAYER);
13614 ResurrectChessProgram();
13615 SetUserThinkingEnables();
13618 ResurrectChessProgram();
13620 case IcsPlayingBlack:
13621 case IcsPlayingWhite:
13622 DisplayError(_("Warning: You are still playing a game"), 0);
13625 DisplayError(_("Warning: You are still observing a game"), 0);
13628 DisplayError(_("Warning: You are still examining a game"), 0);
13639 first.offeredDraw = second.offeredDraw = 0;
13641 if (gameMode == PlayFromGameFile) {
13642 whiteTimeRemaining = timeRemaining[0][currentMove];
13643 blackTimeRemaining = timeRemaining[1][currentMove];
13647 if (gameMode == MachinePlaysWhite ||
13648 gameMode == MachinePlaysBlack ||
13649 gameMode == TwoMachinesPlay ||
13650 gameMode == EndOfGame) {
13651 i = forwardMostMove;
13652 while (i > currentMove) {
13653 SendToProgram("undo\n", &first);
13656 if(!adjustedClock) {
13657 whiteTimeRemaining = timeRemaining[0][currentMove];
13658 blackTimeRemaining = timeRemaining[1][currentMove];
13659 DisplayBothClocks();
13661 if (whiteFlag || blackFlag) {
13662 whiteFlag = blackFlag = 0;
13667 gameMode = EditGame;
13674 EditPositionEvent()
13676 if (gameMode == EditPosition) {
13682 if (gameMode != EditGame) return;
13684 gameMode = EditPosition;
13687 if (currentMove > 0)
13688 CopyBoard(boards[0], boards[currentMove]);
13690 blackPlaysFirst = !WhiteOnMove(currentMove);
13692 currentMove = forwardMostMove = backwardMostMove = 0;
13693 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13700 /* [DM] icsEngineAnalyze - possible call from other functions */
13701 if (appData.icsEngineAnalyze) {
13702 appData.icsEngineAnalyze = FALSE;
13704 DisplayMessage("",_("Close ICS engine analyze..."));
13706 if (first.analysisSupport && first.analyzing) {
13707 SendToProgram("exit\n", &first);
13708 first.analyzing = FALSE;
13710 thinkOutput[0] = NULLCHAR;
13714 EditPositionDone(Boolean fakeRights)
13716 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13718 startedFromSetupPosition = TRUE;
13719 InitChessProgram(&first, FALSE);
13720 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13721 boards[0][EP_STATUS] = EP_NONE;
13722 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13723 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13724 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13725 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13726 } else boards[0][CASTLING][2] = NoRights;
13727 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13728 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13729 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13730 } else boards[0][CASTLING][5] = NoRights;
13732 SendToProgram("force\n", &first);
13733 if (blackPlaysFirst) {
13734 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13735 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13736 currentMove = forwardMostMove = backwardMostMove = 1;
13737 CopyBoard(boards[1], boards[0]);
13739 currentMove = forwardMostMove = backwardMostMove = 0;
13741 SendBoard(&first, forwardMostMove);
13742 if (appData.debugMode) {
13743 fprintf(debugFP, "EditPosDone\n");
13746 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13747 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13748 gameMode = EditGame;
13750 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13751 ClearHighlights(); /* [AS] */
13754 /* Pause for `ms' milliseconds */
13755 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13765 } while (SubtractTimeMarks(&m2, &m1) < ms);
13768 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13770 SendMultiLineToICS(buf)
13773 char temp[MSG_SIZ+1], *p;
13780 strncpy(temp, buf, len);
13785 if (*p == '\n' || *p == '\r')
13790 strcat(temp, "\n");
13792 SendToPlayer(temp, strlen(temp));
13796 SetWhiteToPlayEvent()
13798 if (gameMode == EditPosition) {
13799 blackPlaysFirst = FALSE;
13800 DisplayBothClocks(); /* works because currentMove is 0 */
13801 } else if (gameMode == IcsExamining) {
13802 SendToICS(ics_prefix);
13803 SendToICS("tomove white\n");
13808 SetBlackToPlayEvent()
13810 if (gameMode == EditPosition) {
13811 blackPlaysFirst = TRUE;
13812 currentMove = 1; /* kludge */
13813 DisplayBothClocks();
13815 } else if (gameMode == IcsExamining) {
13816 SendToICS(ics_prefix);
13817 SendToICS("tomove black\n");
13822 EditPositionMenuEvent(selection, x, y)
13823 ChessSquare selection;
13827 ChessSquare piece = boards[0][y][x];
13829 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13831 switch (selection) {
13833 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13834 SendToICS(ics_prefix);
13835 SendToICS("bsetup clear\n");
13836 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13837 SendToICS(ics_prefix);
13838 SendToICS("clearboard\n");
13840 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13841 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13842 for (y = 0; y < BOARD_HEIGHT; y++) {
13843 if (gameMode == IcsExamining) {
13844 if (boards[currentMove][y][x] != EmptySquare) {
13845 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13850 boards[0][y][x] = p;
13855 if (gameMode == EditPosition) {
13856 DrawPosition(FALSE, boards[0]);
13861 SetWhiteToPlayEvent();
13865 SetBlackToPlayEvent();
13869 if (gameMode == IcsExamining) {
13870 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13871 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13874 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13875 if(x == BOARD_LEFT-2) {
13876 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13877 boards[0][y][1] = 0;
13879 if(x == BOARD_RGHT+1) {
13880 if(y >= gameInfo.holdingsSize) break;
13881 boards[0][y][BOARD_WIDTH-2] = 0;
13884 boards[0][y][x] = EmptySquare;
13885 DrawPosition(FALSE, boards[0]);
13890 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13891 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13892 selection = (ChessSquare) (PROMOTED piece);
13893 } else if(piece == EmptySquare) selection = WhiteSilver;
13894 else selection = (ChessSquare)((int)piece - 1);
13898 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13899 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13900 selection = (ChessSquare) (DEMOTED piece);
13901 } else if(piece == EmptySquare) selection = BlackSilver;
13902 else selection = (ChessSquare)((int)piece + 1);
13907 if(gameInfo.variant == VariantShatranj ||
13908 gameInfo.variant == VariantXiangqi ||
13909 gameInfo.variant == VariantCourier ||
13910 gameInfo.variant == VariantMakruk )
13911 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13916 if(gameInfo.variant == VariantXiangqi)
13917 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13918 if(gameInfo.variant == VariantKnightmate)
13919 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13922 if (gameMode == IcsExamining) {
13923 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13924 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13925 PieceToChar(selection), AAA + x, ONE + y);
13928 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13930 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13931 n = PieceToNumber(selection - BlackPawn);
13932 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13933 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13934 boards[0][BOARD_HEIGHT-1-n][1]++;
13936 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13937 n = PieceToNumber(selection);
13938 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13939 boards[0][n][BOARD_WIDTH-1] = selection;
13940 boards[0][n][BOARD_WIDTH-2]++;
13943 boards[0][y][x] = selection;
13944 DrawPosition(TRUE, boards[0]);
13952 DropMenuEvent(selection, x, y)
13953 ChessSquare selection;
13956 ChessMove moveType;
13958 switch (gameMode) {
13959 case IcsPlayingWhite:
13960 case MachinePlaysBlack:
13961 if (!WhiteOnMove(currentMove)) {
13962 DisplayMoveError(_("It is Black's turn"));
13965 moveType = WhiteDrop;
13967 case IcsPlayingBlack:
13968 case MachinePlaysWhite:
13969 if (WhiteOnMove(currentMove)) {
13970 DisplayMoveError(_("It is White's turn"));
13973 moveType = BlackDrop;
13976 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13982 if (moveType == BlackDrop && selection < BlackPawn) {
13983 selection = (ChessSquare) ((int) selection
13984 + (int) BlackPawn - (int) WhitePawn);
13986 if (boards[currentMove][y][x] != EmptySquare) {
13987 DisplayMoveError(_("That square is occupied"));
13991 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13997 /* Accept a pending offer of any kind from opponent */
13999 if (appData.icsActive) {
14000 SendToICS(ics_prefix);
14001 SendToICS("accept\n");
14002 } else if (cmailMsgLoaded) {
14003 if (currentMove == cmailOldMove &&
14004 commentList[cmailOldMove] != NULL &&
14005 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14006 "Black offers a draw" : "White offers a draw")) {
14008 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14009 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14011 DisplayError(_("There is no pending offer on this move"), 0);
14012 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14015 /* Not used for offers from chess program */
14022 /* Decline a pending offer of any kind from opponent */
14024 if (appData.icsActive) {
14025 SendToICS(ics_prefix);
14026 SendToICS("decline\n");
14027 } else if (cmailMsgLoaded) {
14028 if (currentMove == cmailOldMove &&
14029 commentList[cmailOldMove] != NULL &&
14030 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14031 "Black offers a draw" : "White offers a draw")) {
14033 AppendComment(cmailOldMove, "Draw declined", TRUE);
14034 DisplayComment(cmailOldMove - 1, "Draw declined");
14037 DisplayError(_("There is no pending offer on this move"), 0);
14040 /* Not used for offers from chess program */
14047 /* Issue ICS rematch command */
14048 if (appData.icsActive) {
14049 SendToICS(ics_prefix);
14050 SendToICS("rematch\n");
14057 /* Call your opponent's flag (claim a win on time) */
14058 if (appData.icsActive) {
14059 SendToICS(ics_prefix);
14060 SendToICS("flag\n");
14062 switch (gameMode) {
14065 case MachinePlaysWhite:
14068 GameEnds(GameIsDrawn, "Both players ran out of time",
14071 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14073 DisplayError(_("Your opponent is not out of time"), 0);
14076 case MachinePlaysBlack:
14079 GameEnds(GameIsDrawn, "Both players ran out of time",
14082 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14084 DisplayError(_("Your opponent is not out of time"), 0);
14092 ClockClick(int which)
14093 { // [HGM] code moved to back-end from winboard.c
14094 if(which) { // black clock
14095 if (gameMode == EditPosition || gameMode == IcsExamining) {
14096 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14097 SetBlackToPlayEvent();
14098 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14099 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14100 } else if (shiftKey) {
14101 AdjustClock(which, -1);
14102 } else if (gameMode == IcsPlayingWhite ||
14103 gameMode == MachinePlaysBlack) {
14106 } else { // white clock
14107 if (gameMode == EditPosition || gameMode == IcsExamining) {
14108 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14109 SetWhiteToPlayEvent();
14110 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14111 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14112 } else if (shiftKey) {
14113 AdjustClock(which, -1);
14114 } else if (gameMode == IcsPlayingBlack ||
14115 gameMode == MachinePlaysWhite) {
14124 /* Offer draw or accept pending draw offer from opponent */
14126 if (appData.icsActive) {
14127 /* Note: tournament rules require draw offers to be
14128 made after you make your move but before you punch
14129 your clock. Currently ICS doesn't let you do that;
14130 instead, you immediately punch your clock after making
14131 a move, but you can offer a draw at any time. */
14133 SendToICS(ics_prefix);
14134 SendToICS("draw\n");
14135 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14136 } else if (cmailMsgLoaded) {
14137 if (currentMove == cmailOldMove &&
14138 commentList[cmailOldMove] != NULL &&
14139 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14140 "Black offers a draw" : "White offers a draw")) {
14141 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14142 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14143 } else if (currentMove == cmailOldMove + 1) {
14144 char *offer = WhiteOnMove(cmailOldMove) ?
14145 "White offers a draw" : "Black offers a draw";
14146 AppendComment(currentMove, offer, TRUE);
14147 DisplayComment(currentMove - 1, offer);
14148 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14150 DisplayError(_("You must make your move before offering a draw"), 0);
14151 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14153 } else if (first.offeredDraw) {
14154 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14156 if (first.sendDrawOffers) {
14157 SendToProgram("draw\n", &first);
14158 userOfferedDraw = TRUE;
14166 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14168 if (appData.icsActive) {
14169 SendToICS(ics_prefix);
14170 SendToICS("adjourn\n");
14172 /* Currently GNU Chess doesn't offer or accept Adjourns */
14180 /* Offer Abort or accept pending Abort offer from opponent */
14182 if (appData.icsActive) {
14183 SendToICS(ics_prefix);
14184 SendToICS("abort\n");
14186 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14193 /* Resign. You can do this even if it's not your turn. */
14195 if (appData.icsActive) {
14196 SendToICS(ics_prefix);
14197 SendToICS("resign\n");
14199 switch (gameMode) {
14200 case MachinePlaysWhite:
14201 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14203 case MachinePlaysBlack:
14204 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14207 if (cmailMsgLoaded) {
14209 if (WhiteOnMove(cmailOldMove)) {
14210 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14212 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14214 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14225 StopObservingEvent()
14227 /* Stop observing current games */
14228 SendToICS(ics_prefix);
14229 SendToICS("unobserve\n");
14233 StopExaminingEvent()
14235 /* Stop observing current game */
14236 SendToICS(ics_prefix);
14237 SendToICS("unexamine\n");
14241 ForwardInner(target)
14246 if (appData.debugMode)
14247 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14248 target, currentMove, forwardMostMove);
14250 if (gameMode == EditPosition)
14253 MarkTargetSquares(1);
14255 if (gameMode == PlayFromGameFile && !pausing)
14258 if (gameMode == IcsExamining && pausing)
14259 limit = pauseExamForwardMostMove;
14261 limit = forwardMostMove;
14263 if (target > limit) target = limit;
14265 if (target > 0 && moveList[target - 1][0]) {
14266 int fromX, fromY, toX, toY;
14267 toX = moveList[target - 1][2] - AAA;
14268 toY = moveList[target - 1][3] - ONE;
14269 if (moveList[target - 1][1] == '@') {
14270 if (appData.highlightLastMove) {
14271 SetHighlights(-1, -1, toX, toY);
14274 fromX = moveList[target - 1][0] - AAA;
14275 fromY = moveList[target - 1][1] - ONE;
14276 if (target == currentMove + 1) {
14277 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14279 if (appData.highlightLastMove) {
14280 SetHighlights(fromX, fromY, toX, toY);
14284 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14285 gameMode == Training || gameMode == PlayFromGameFile ||
14286 gameMode == AnalyzeFile) {
14287 while (currentMove < target) {
14288 SendMoveToProgram(currentMove++, &first);
14291 currentMove = target;
14294 if (gameMode == EditGame || gameMode == EndOfGame) {
14295 whiteTimeRemaining = timeRemaining[0][currentMove];
14296 blackTimeRemaining = timeRemaining[1][currentMove];
14298 DisplayBothClocks();
14299 DisplayMove(currentMove - 1);
14300 DrawPosition(FALSE, boards[currentMove]);
14301 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14302 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14303 DisplayComment(currentMove - 1, commentList[currentMove]);
14311 if (gameMode == IcsExamining && !pausing) {
14312 SendToICS(ics_prefix);
14313 SendToICS("forward\n");
14315 ForwardInner(currentMove + 1);
14322 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14323 /* to optimze, we temporarily turn off analysis mode while we feed
14324 * the remaining moves to the engine. Otherwise we get analysis output
14327 if (first.analysisSupport) {
14328 SendToProgram("exit\nforce\n", &first);
14329 first.analyzing = FALSE;
14333 if (gameMode == IcsExamining && !pausing) {
14334 SendToICS(ics_prefix);
14335 SendToICS("forward 999999\n");
14337 ForwardInner(forwardMostMove);
14340 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14341 /* we have fed all the moves, so reactivate analysis mode */
14342 SendToProgram("analyze\n", &first);
14343 first.analyzing = TRUE;
14344 /*first.maybeThinking = TRUE;*/
14345 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14350 BackwardInner(target)
14353 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14355 if (appData.debugMode)
14356 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14357 target, currentMove, forwardMostMove);
14359 if (gameMode == EditPosition) return;
14360 MarkTargetSquares(1);
14361 if (currentMove <= backwardMostMove) {
14363 DrawPosition(full_redraw, boards[currentMove]);
14366 if (gameMode == PlayFromGameFile && !pausing)
14369 if (moveList[target][0]) {
14370 int fromX, fromY, toX, toY;
14371 toX = moveList[target][2] - AAA;
14372 toY = moveList[target][3] - ONE;
14373 if (moveList[target][1] == '@') {
14374 if (appData.highlightLastMove) {
14375 SetHighlights(-1, -1, toX, toY);
14378 fromX = moveList[target][0] - AAA;
14379 fromY = moveList[target][1] - ONE;
14380 if (target == currentMove - 1) {
14381 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14383 if (appData.highlightLastMove) {
14384 SetHighlights(fromX, fromY, toX, toY);
14388 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14389 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14390 while (currentMove > target) {
14391 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14392 // null move cannot be undone. Reload program with move history before it.
14394 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14395 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14397 SendBoard(&first, i);
14398 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14401 SendToProgram("undo\n", &first);
14405 currentMove = target;
14408 if (gameMode == EditGame || gameMode == EndOfGame) {
14409 whiteTimeRemaining = timeRemaining[0][currentMove];
14410 blackTimeRemaining = timeRemaining[1][currentMove];
14412 DisplayBothClocks();
14413 DisplayMove(currentMove - 1);
14414 DrawPosition(full_redraw, boards[currentMove]);
14415 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14416 // [HGM] PV info: routine tests if comment empty
14417 DisplayComment(currentMove - 1, commentList[currentMove]);
14423 if (gameMode == IcsExamining && !pausing) {
14424 SendToICS(ics_prefix);
14425 SendToICS("backward\n");
14427 BackwardInner(currentMove - 1);
14434 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14435 /* to optimize, we temporarily turn off analysis mode while we undo
14436 * all the moves. Otherwise we get analysis output after each undo.
14438 if (first.analysisSupport) {
14439 SendToProgram("exit\nforce\n", &first);
14440 first.analyzing = FALSE;
14444 if (gameMode == IcsExamining && !pausing) {
14445 SendToICS(ics_prefix);
14446 SendToICS("backward 999999\n");
14448 BackwardInner(backwardMostMove);
14451 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14452 /* we have fed all the moves, so reactivate analysis mode */
14453 SendToProgram("analyze\n", &first);
14454 first.analyzing = TRUE;
14455 /*first.maybeThinking = TRUE;*/
14456 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14463 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14464 if (to >= forwardMostMove) to = forwardMostMove;
14465 if (to <= backwardMostMove) to = backwardMostMove;
14466 if (to < currentMove) {
14474 RevertEvent(Boolean annotate)
14476 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14479 if (gameMode != IcsExamining) {
14480 DisplayError(_("You are not examining a game"), 0);
14484 DisplayError(_("You can't revert while pausing"), 0);
14487 SendToICS(ics_prefix);
14488 SendToICS("revert\n");
14494 switch (gameMode) {
14495 case MachinePlaysWhite:
14496 case MachinePlaysBlack:
14497 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14498 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14501 if (forwardMostMove < 2) return;
14502 currentMove = forwardMostMove = forwardMostMove - 2;
14503 whiteTimeRemaining = timeRemaining[0][currentMove];
14504 blackTimeRemaining = timeRemaining[1][currentMove];
14505 DisplayBothClocks();
14506 DisplayMove(currentMove - 1);
14507 ClearHighlights();/*!! could figure this out*/
14508 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14509 SendToProgram("remove\n", &first);
14510 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14513 case BeginningOfGame:
14517 case IcsPlayingWhite:
14518 case IcsPlayingBlack:
14519 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14520 SendToICS(ics_prefix);
14521 SendToICS("takeback 2\n");
14523 SendToICS(ics_prefix);
14524 SendToICS("takeback 1\n");
14533 ChessProgramState *cps;
14535 switch (gameMode) {
14536 case MachinePlaysWhite:
14537 if (!WhiteOnMove(forwardMostMove)) {
14538 DisplayError(_("It is your turn"), 0);
14543 case MachinePlaysBlack:
14544 if (WhiteOnMove(forwardMostMove)) {
14545 DisplayError(_("It is your turn"), 0);
14550 case TwoMachinesPlay:
14551 if (WhiteOnMove(forwardMostMove) ==
14552 (first.twoMachinesColor[0] == 'w')) {
14558 case BeginningOfGame:
14562 SendToProgram("?\n", cps);
14566 TruncateGameEvent()
14569 if (gameMode != EditGame) return;
14576 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14577 if (forwardMostMove > currentMove) {
14578 if (gameInfo.resultDetails != NULL) {
14579 free(gameInfo.resultDetails);
14580 gameInfo.resultDetails = NULL;
14581 gameInfo.result = GameUnfinished;
14583 forwardMostMove = currentMove;
14584 HistorySet(parseList, backwardMostMove, forwardMostMove,
14592 if (appData.noChessProgram) return;
14593 switch (gameMode) {
14594 case MachinePlaysWhite:
14595 if (WhiteOnMove(forwardMostMove)) {
14596 DisplayError(_("Wait until your turn"), 0);
14600 case BeginningOfGame:
14601 case MachinePlaysBlack:
14602 if (!WhiteOnMove(forwardMostMove)) {
14603 DisplayError(_("Wait until your turn"), 0);
14608 DisplayError(_("No hint available"), 0);
14611 SendToProgram("hint\n", &first);
14612 hintRequested = TRUE;
14618 if (appData.noChessProgram) return;
14619 switch (gameMode) {
14620 case MachinePlaysWhite:
14621 if (WhiteOnMove(forwardMostMove)) {
14622 DisplayError(_("Wait until your turn"), 0);
14626 case BeginningOfGame:
14627 case MachinePlaysBlack:
14628 if (!WhiteOnMove(forwardMostMove)) {
14629 DisplayError(_("Wait until your turn"), 0);
14634 EditPositionDone(TRUE);
14636 case TwoMachinesPlay:
14641 SendToProgram("bk\n", &first);
14642 bookOutput[0] = NULLCHAR;
14643 bookRequested = TRUE;
14649 char *tags = PGNTags(&gameInfo);
14650 TagsPopUp(tags, CmailMsg());
14654 /* end button procedures */
14657 PrintPosition(fp, move)
14663 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14664 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14665 char c = PieceToChar(boards[move][i][j]);
14666 fputc(c == 'x' ? '.' : c, fp);
14667 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14670 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14671 fprintf(fp, "white to play\n");
14673 fprintf(fp, "black to play\n");
14680 if (gameInfo.white != NULL) {
14681 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14687 /* Find last component of program's own name, using some heuristics */
14689 TidyProgramName(prog, host, buf)
14690 char *prog, *host, buf[MSG_SIZ];
14693 int local = (strcmp(host, "localhost") == 0);
14694 while (!local && (p = strchr(prog, ';')) != NULL) {
14696 while (*p == ' ') p++;
14699 if (*prog == '"' || *prog == '\'') {
14700 q = strchr(prog + 1, *prog);
14702 q = strchr(prog, ' ');
14704 if (q == NULL) q = prog + strlen(prog);
14706 while (p >= prog && *p != '/' && *p != '\\') p--;
14708 if(p == prog && *p == '"') p++;
14709 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14710 memcpy(buf, p, q - p);
14711 buf[q - p] = NULLCHAR;
14719 TimeControlTagValue()
14722 if (!appData.clockMode) {
14723 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14724 } else if (movesPerSession > 0) {
14725 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14726 } else if (timeIncrement == 0) {
14727 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14729 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14731 return StrSave(buf);
14737 /* This routine is used only for certain modes */
14738 VariantClass v = gameInfo.variant;
14739 ChessMove r = GameUnfinished;
14742 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14743 r = gameInfo.result;
14744 p = gameInfo.resultDetails;
14745 gameInfo.resultDetails = NULL;
14747 ClearGameInfo(&gameInfo);
14748 gameInfo.variant = v;
14750 switch (gameMode) {
14751 case MachinePlaysWhite:
14752 gameInfo.event = StrSave( appData.pgnEventHeader );
14753 gameInfo.site = StrSave(HostName());
14754 gameInfo.date = PGNDate();
14755 gameInfo.round = StrSave("-");
14756 gameInfo.white = StrSave(first.tidy);
14757 gameInfo.black = StrSave(UserName());
14758 gameInfo.timeControl = TimeControlTagValue();
14761 case MachinePlaysBlack:
14762 gameInfo.event = StrSave( appData.pgnEventHeader );
14763 gameInfo.site = StrSave(HostName());
14764 gameInfo.date = PGNDate();
14765 gameInfo.round = StrSave("-");
14766 gameInfo.white = StrSave(UserName());
14767 gameInfo.black = StrSave(first.tidy);
14768 gameInfo.timeControl = TimeControlTagValue();
14771 case TwoMachinesPlay:
14772 gameInfo.event = StrSave( appData.pgnEventHeader );
14773 gameInfo.site = StrSave(HostName());
14774 gameInfo.date = PGNDate();
14777 snprintf(buf, MSG_SIZ, "%d", roundNr);
14778 gameInfo.round = StrSave(buf);
14780 gameInfo.round = StrSave("-");
14782 if (first.twoMachinesColor[0] == 'w') {
14783 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14784 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14786 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14787 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14789 gameInfo.timeControl = TimeControlTagValue();
14793 gameInfo.event = StrSave("Edited game");
14794 gameInfo.site = StrSave(HostName());
14795 gameInfo.date = PGNDate();
14796 gameInfo.round = StrSave("-");
14797 gameInfo.white = StrSave("-");
14798 gameInfo.black = StrSave("-");
14799 gameInfo.result = r;
14800 gameInfo.resultDetails = p;
14804 gameInfo.event = StrSave("Edited position");
14805 gameInfo.site = StrSave(HostName());
14806 gameInfo.date = PGNDate();
14807 gameInfo.round = StrSave("-");
14808 gameInfo.white = StrSave("-");
14809 gameInfo.black = StrSave("-");
14812 case IcsPlayingWhite:
14813 case IcsPlayingBlack:
14818 case PlayFromGameFile:
14819 gameInfo.event = StrSave("Game from non-PGN file");
14820 gameInfo.site = StrSave(HostName());
14821 gameInfo.date = PGNDate();
14822 gameInfo.round = StrSave("-");
14823 gameInfo.white = StrSave("?");
14824 gameInfo.black = StrSave("?");
14833 ReplaceComment(index, text)
14841 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14842 pvInfoList[index-1].depth == len &&
14843 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14844 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14845 while (*text == '\n') text++;
14846 len = strlen(text);
14847 while (len > 0 && text[len - 1] == '\n') len--;
14849 if (commentList[index] != NULL)
14850 free(commentList[index]);
14853 commentList[index] = NULL;
14856 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14857 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14858 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14859 commentList[index] = (char *) malloc(len + 2);
14860 strncpy(commentList[index], text, len);
14861 commentList[index][len] = '\n';
14862 commentList[index][len + 1] = NULLCHAR;
14864 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14866 commentList[index] = (char *) malloc(len + 7);
14867 safeStrCpy(commentList[index], "{\n", 3);
14868 safeStrCpy(commentList[index]+2, text, len+1);
14869 commentList[index][len+2] = NULLCHAR;
14870 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14871 strcat(commentList[index], "\n}\n");
14885 if (ch == '\r') continue;
14887 } while (ch != '\0');
14891 AppendComment(index, text, addBraces)
14894 Boolean addBraces; // [HGM] braces: tells if we should add {}
14899 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14900 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14903 while (*text == '\n') text++;
14904 len = strlen(text);
14905 while (len > 0 && text[len - 1] == '\n') len--;
14906 text[len] = NULLCHAR;
14908 if (len == 0) return;
14910 if (commentList[index] != NULL) {
14911 Boolean addClosingBrace = addBraces;
14912 old = commentList[index];
14913 oldlen = strlen(old);
14914 while(commentList[index][oldlen-1] == '\n')
14915 commentList[index][--oldlen] = NULLCHAR;
14916 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14917 safeStrCpy(commentList[index], old, oldlen + len + 6);
14919 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14920 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14921 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14922 while (*text == '\n') { text++; len--; }
14923 commentList[index][--oldlen] = NULLCHAR;
14925 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14926 else strcat(commentList[index], "\n");
14927 strcat(commentList[index], text);
14928 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14929 else strcat(commentList[index], "\n");
14931 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14933 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14934 else commentList[index][0] = NULLCHAR;
14935 strcat(commentList[index], text);
14936 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14937 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14941 static char * FindStr( char * text, char * sub_text )
14943 char * result = strstr( text, sub_text );
14945 if( result != NULL ) {
14946 result += strlen( sub_text );
14952 /* [AS] Try to extract PV info from PGN comment */
14953 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14954 char *GetInfoFromComment( int index, char * text )
14956 char * sep = text, *p;
14958 if( text != NULL && index > 0 ) {
14961 int time = -1, sec = 0, deci;
14962 char * s_eval = FindStr( text, "[%eval " );
14963 char * s_emt = FindStr( text, "[%emt " );
14965 if( s_eval != NULL || s_emt != NULL ) {
14969 if( s_eval != NULL ) {
14970 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14974 if( delim != ']' ) {
14979 if( s_emt != NULL ) {
14984 /* We expect something like: [+|-]nnn.nn/dd */
14987 if(*text != '{') return text; // [HGM] braces: must be normal comment
14989 sep = strchr( text, '/' );
14990 if( sep == NULL || sep < (text+4) ) {
14995 if(p[1] == '(') { // comment starts with PV
14996 p = strchr(p, ')'); // locate end of PV
14997 if(p == NULL || sep < p+5) return text;
14998 // at this point we have something like "{(.*) +0.23/6 ..."
14999 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15000 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15001 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15003 time = -1; sec = -1; deci = -1;
15004 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15005 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15006 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15007 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15011 if( score_lo < 0 || score_lo >= 100 ) {
15015 if(sec >= 0) time = 600*time + 10*sec; else
15016 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15018 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15020 /* [HGM] PV time: now locate end of PV info */
15021 while( *++sep >= '0' && *sep <= '9'); // strip depth
15023 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15025 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15027 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15028 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15039 pvInfoList[index-1].depth = depth;
15040 pvInfoList[index-1].score = score;
15041 pvInfoList[index-1].time = 10*time; // centi-sec
15042 if(*sep == '}') *sep = 0; else *--sep = '{';
15043 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15049 SendToProgram(message, cps)
15051 ChessProgramState *cps;
15053 int count, outCount, error;
15056 if (cps->pr == NoProc) return;
15059 if (appData.debugMode) {
15062 fprintf(debugFP, "%ld >%-6s: %s",
15063 SubtractTimeMarks(&now, &programStartTime),
15064 cps->which, message);
15067 count = strlen(message);
15068 outCount = OutputToProcess(cps->pr, message, count, &error);
15069 if (outCount < count && !exiting
15070 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15071 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15072 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15073 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15074 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15075 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15076 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15077 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15079 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15080 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15081 gameInfo.result = res;
15083 gameInfo.resultDetails = StrSave(buf);
15085 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15086 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15091 ReceiveFromProgram(isr, closure, message, count, error)
15092 InputSourceRef isr;
15100 ChessProgramState *cps = (ChessProgramState *)closure;
15102 if (isr != cps->isr) return; /* Killed intentionally */
15105 RemoveInputSource(cps->isr);
15106 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15107 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15108 _(cps->which), cps->program);
15109 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15110 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15111 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15112 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15113 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15115 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15116 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15117 gameInfo.result = res;
15119 gameInfo.resultDetails = StrSave(buf);
15121 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15122 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15124 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15125 _(cps->which), cps->program);
15126 RemoveInputSource(cps->isr);
15128 /* [AS] Program is misbehaving badly... kill it */
15129 if( count == -2 ) {
15130 DestroyChildProcess( cps->pr, 9 );
15134 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15139 if ((end_str = strchr(message, '\r')) != NULL)
15140 *end_str = NULLCHAR;
15141 if ((end_str = strchr(message, '\n')) != NULL)
15142 *end_str = NULLCHAR;
15144 if (appData.debugMode) {
15145 TimeMark now; int print = 1;
15146 char *quote = ""; char c; int i;
15148 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15149 char start = message[0];
15150 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15151 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15152 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15153 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15154 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15155 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15156 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15157 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15158 sscanf(message, "hint: %c", &c)!=1 &&
15159 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15160 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15161 print = (appData.engineComments >= 2);
15163 message[0] = start; // restore original message
15167 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15168 SubtractTimeMarks(&now, &programStartTime), cps->which,
15174 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15175 if (appData.icsEngineAnalyze) {
15176 if (strstr(message, "whisper") != NULL ||
15177 strstr(message, "kibitz") != NULL ||
15178 strstr(message, "tellics") != NULL) return;
15181 HandleMachineMove(message, cps);
15186 SendTimeControl(cps, mps, tc, inc, sd, st)
15187 ChessProgramState *cps;
15188 int mps, inc, sd, st;
15194 if( timeControl_2 > 0 ) {
15195 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15196 tc = timeControl_2;
15199 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15200 inc /= cps->timeOdds;
15201 st /= cps->timeOdds;
15203 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15206 /* Set exact time per move, normally using st command */
15207 if (cps->stKludge) {
15208 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15210 if (seconds == 0) {
15211 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15213 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15216 snprintf(buf, MSG_SIZ, "st %d\n", st);
15219 /* Set conventional or incremental time control, using level command */
15220 if (seconds == 0) {
15221 /* Note old gnuchess bug -- minutes:seconds used to not work.
15222 Fixed in later versions, but still avoid :seconds
15223 when seconds is 0. */
15224 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15226 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15227 seconds, inc/1000.);
15230 SendToProgram(buf, cps);
15232 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15233 /* Orthogonally, limit search to given depth */
15235 if (cps->sdKludge) {
15236 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15238 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15240 SendToProgram(buf, cps);
15243 if(cps->nps >= 0) { /* [HGM] nps */
15244 if(cps->supportsNPS == FALSE)
15245 cps->nps = -1; // don't use if engine explicitly says not supported!
15247 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15248 SendToProgram(buf, cps);
15253 ChessProgramState *WhitePlayer()
15254 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15256 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15257 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15263 SendTimeRemaining(cps, machineWhite)
15264 ChessProgramState *cps;
15265 int /*boolean*/ machineWhite;
15267 char message[MSG_SIZ];
15270 /* Note: this routine must be called when the clocks are stopped
15271 or when they have *just* been set or switched; otherwise
15272 it will be off by the time since the current tick started.
15274 if (machineWhite) {
15275 time = whiteTimeRemaining / 10;
15276 otime = blackTimeRemaining / 10;
15278 time = blackTimeRemaining / 10;
15279 otime = whiteTimeRemaining / 10;
15281 /* [HGM] translate opponent's time by time-odds factor */
15282 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15283 if (appData.debugMode) {
15284 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
15287 if (time <= 0) time = 1;
15288 if (otime <= 0) otime = 1;
15290 snprintf(message, MSG_SIZ, "time %ld\n", time);
15291 SendToProgram(message, cps);
15293 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15294 SendToProgram(message, cps);
15298 BoolFeature(p, name, loc, cps)
15302 ChessProgramState *cps;
15305 int len = strlen(name);
15308 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15310 sscanf(*p, "%d", &val);
15312 while (**p && **p != ' ')
15314 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15315 SendToProgram(buf, cps);
15322 IntFeature(p, name, loc, cps)
15326 ChessProgramState *cps;
15329 int len = strlen(name);
15330 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15332 sscanf(*p, "%d", loc);
15333 while (**p && **p != ' ') (*p)++;
15334 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15335 SendToProgram(buf, cps);
15342 StringFeature(p, name, loc, cps)
15346 ChessProgramState *cps;
15349 int len = strlen(name);
15350 if (strncmp((*p), name, len) == 0
15351 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15353 sscanf(*p, "%[^\"]", loc);
15354 while (**p && **p != '\"') (*p)++;
15355 if (**p == '\"') (*p)++;
15356 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15357 SendToProgram(buf, cps);
15364 ParseOption(Option *opt, ChessProgramState *cps)
15365 // [HGM] options: process the string that defines an engine option, and determine
15366 // name, type, default value, and allowed value range
15368 char *p, *q, buf[MSG_SIZ];
15369 int n, min = (-1)<<31, max = 1<<31, def;
15371 if(p = strstr(opt->name, " -spin ")) {
15372 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15373 if(max < min) max = min; // enforce consistency
15374 if(def < min) def = min;
15375 if(def > max) def = max;
15380 } else if((p = strstr(opt->name, " -slider "))) {
15381 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15382 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15383 if(max < min) max = min; // enforce consistency
15384 if(def < min) def = min;
15385 if(def > max) def = max;
15389 opt->type = Spin; // Slider;
15390 } else if((p = strstr(opt->name, " -string "))) {
15391 opt->textValue = p+9;
15392 opt->type = TextBox;
15393 } else if((p = strstr(opt->name, " -file "))) {
15394 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15395 opt->textValue = p+7;
15396 opt->type = FileName; // FileName;
15397 } else if((p = strstr(opt->name, " -path "))) {
15398 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15399 opt->textValue = p+7;
15400 opt->type = PathName; // PathName;
15401 } else if(p = strstr(opt->name, " -check ")) {
15402 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15403 opt->value = (def != 0);
15404 opt->type = CheckBox;
15405 } else if(p = strstr(opt->name, " -combo ")) {
15406 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15407 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15408 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15409 opt->value = n = 0;
15410 while(q = StrStr(q, " /// ")) {
15411 n++; *q = 0; // count choices, and null-terminate each of them
15413 if(*q == '*') { // remember default, which is marked with * prefix
15417 cps->comboList[cps->comboCnt++] = q;
15419 cps->comboList[cps->comboCnt++] = NULL;
15421 opt->type = ComboBox;
15422 } else if(p = strstr(opt->name, " -button")) {
15423 opt->type = Button;
15424 } else if(p = strstr(opt->name, " -save")) {
15425 opt->type = SaveButton;
15426 } else return FALSE;
15427 *p = 0; // terminate option name
15428 // now look if the command-line options define a setting for this engine option.
15429 if(cps->optionSettings && cps->optionSettings[0])
15430 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15431 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15432 snprintf(buf, MSG_SIZ, "option %s", p);
15433 if(p = strstr(buf, ",")) *p = 0;
15434 if(q = strchr(buf, '=')) switch(opt->type) {
15436 for(n=0; n<opt->max; n++)
15437 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15440 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15444 opt->value = atoi(q+1);
15449 SendToProgram(buf, cps);
15455 FeatureDone(cps, val)
15456 ChessProgramState* cps;
15459 DelayedEventCallback cb = GetDelayedEvent();
15460 if ((cb == InitBackEnd3 && cps == &first) ||
15461 (cb == SettingsMenuIfReady && cps == &second) ||
15462 (cb == LoadEngine) ||
15463 (cb == TwoMachinesEventIfReady)) {
15464 CancelDelayedEvent();
15465 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15467 cps->initDone = val;
15470 /* Parse feature command from engine */
15472 ParseFeatures(args, cps)
15474 ChessProgramState *cps;
15482 while (*p == ' ') p++;
15483 if (*p == NULLCHAR) return;
15485 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15486 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15487 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15488 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15489 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15490 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15491 if (BoolFeature(&p, "reuse", &val, cps)) {
15492 /* Engine can disable reuse, but can't enable it if user said no */
15493 if (!val) cps->reuse = FALSE;
15496 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15497 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
15498 if (gameMode == TwoMachinesPlay) {
15499 DisplayTwoMachinesTitle();
15505 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
15506 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15507 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15508 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15509 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15510 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15511 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15512 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15513 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15514 if (IntFeature(&p, "done", &val, cps)) {
15515 FeatureDone(cps, val);
15518 /* Added by Tord: */
15519 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15520 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15521 /* End of additions by Tord */
15523 /* [HGM] added features: */
15524 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15525 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15526 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15527 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15528 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15529 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
15530 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
15531 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15532 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15533 SendToProgram(buf, cps);
15536 if(cps->nrOptions >= MAX_OPTIONS) {
15538 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15539 DisplayError(buf, 0);
15543 /* End of additions by HGM */
15545 /* unknown feature: complain and skip */
15547 while (*q && *q != '=') q++;
15548 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15549 SendToProgram(buf, cps);
15555 while (*p && *p != '\"') p++;
15556 if (*p == '\"') p++;
15558 while (*p && *p != ' ') p++;
15566 PeriodicUpdatesEvent(newState)
15569 if (newState == appData.periodicUpdates)
15572 appData.periodicUpdates=newState;
15574 /* Display type changes, so update it now */
15575 // DisplayAnalysis();
15577 /* Get the ball rolling again... */
15579 AnalysisPeriodicEvent(1);
15580 StartAnalysisClock();
15585 PonderNextMoveEvent(newState)
15588 if (newState == appData.ponderNextMove) return;
15589 if (gameMode == EditPosition) EditPositionDone(TRUE);
15591 SendToProgram("hard\n", &first);
15592 if (gameMode == TwoMachinesPlay) {
15593 SendToProgram("hard\n", &second);
15596 SendToProgram("easy\n", &first);
15597 thinkOutput[0] = NULLCHAR;
15598 if (gameMode == TwoMachinesPlay) {
15599 SendToProgram("easy\n", &second);
15602 appData.ponderNextMove = newState;
15606 NewSettingEvent(option, feature, command, value)
15608 int option, value, *feature;
15612 if (gameMode == EditPosition) EditPositionDone(TRUE);
15613 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15614 if(feature == NULL || *feature) SendToProgram(buf, &first);
15615 if (gameMode == TwoMachinesPlay) {
15616 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15621 ShowThinkingEvent()
15622 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15624 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15625 int newState = appData.showThinking
15626 // [HGM] thinking: other features now need thinking output as well
15627 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15629 if (oldState == newState) return;
15630 oldState = newState;
15631 if (gameMode == EditPosition) EditPositionDone(TRUE);
15633 SendToProgram("post\n", &first);
15634 if (gameMode == TwoMachinesPlay) {
15635 SendToProgram("post\n", &second);
15638 SendToProgram("nopost\n", &first);
15639 thinkOutput[0] = NULLCHAR;
15640 if (gameMode == TwoMachinesPlay) {
15641 SendToProgram("nopost\n", &second);
15644 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15648 AskQuestionEvent(title, question, replyPrefix, which)
15649 char *title; char *question; char *replyPrefix; char *which;
15651 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15652 if (pr == NoProc) return;
15653 AskQuestion(title, question, replyPrefix, pr);
15657 TypeInEvent(char firstChar)
15659 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15660 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15661 gameMode == AnalyzeMode || gameMode == EditGame ||
15662 gameMode == EditPosition || gameMode == IcsExamining ||
15663 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15664 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15665 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15666 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15667 gameMode == Training) PopUpMoveDialog(firstChar);
15671 TypeInDoneEvent(char *move)
15674 int n, fromX, fromY, toX, toY;
15676 ChessMove moveType;
15679 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15680 EditPositionPasteFEN(move);
15683 // [HGM] movenum: allow move number to be typed in any mode
15684 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15689 if (gameMode != EditGame && currentMove != forwardMostMove &&
15690 gameMode != Training) {
15691 DisplayMoveError(_("Displayed move is not current"));
15693 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15694 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15695 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15696 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15697 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15698 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15700 DisplayMoveError(_("Could not parse move"));
15706 DisplayMove(moveNumber)
15709 char message[MSG_SIZ];
15711 char cpThinkOutput[MSG_SIZ];
15713 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15715 if (moveNumber == forwardMostMove - 1 ||
15716 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15718 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15720 if (strchr(cpThinkOutput, '\n')) {
15721 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15724 *cpThinkOutput = NULLCHAR;
15727 /* [AS] Hide thinking from human user */
15728 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15729 *cpThinkOutput = NULLCHAR;
15730 if( thinkOutput[0] != NULLCHAR ) {
15733 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15734 cpThinkOutput[i] = '.';
15736 cpThinkOutput[i] = NULLCHAR;
15737 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15741 if (moveNumber == forwardMostMove - 1 &&
15742 gameInfo.resultDetails != NULL) {
15743 if (gameInfo.resultDetails[0] == NULLCHAR) {
15744 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15746 snprintf(res, MSG_SIZ, " {%s} %s",
15747 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15753 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15754 DisplayMessage(res, cpThinkOutput);
15756 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15757 WhiteOnMove(moveNumber) ? " " : ".. ",
15758 parseList[moveNumber], res);
15759 DisplayMessage(message, cpThinkOutput);
15764 DisplayComment(moveNumber, text)
15768 char title[MSG_SIZ];
15770 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15771 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15773 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15774 WhiteOnMove(moveNumber) ? " " : ".. ",
15775 parseList[moveNumber]);
15777 if (text != NULL && (appData.autoDisplayComment || commentUp))
15778 CommentPopUp(title, text);
15781 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15782 * might be busy thinking or pondering. It can be omitted if your
15783 * gnuchess is configured to stop thinking immediately on any user
15784 * input. However, that gnuchess feature depends on the FIONREAD
15785 * ioctl, which does not work properly on some flavors of Unix.
15789 ChessProgramState *cps;
15792 if (!cps->useSigint) return;
15793 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15794 switch (gameMode) {
15795 case MachinePlaysWhite:
15796 case MachinePlaysBlack:
15797 case TwoMachinesPlay:
15798 case IcsPlayingWhite:
15799 case IcsPlayingBlack:
15802 /* Skip if we know it isn't thinking */
15803 if (!cps->maybeThinking) return;
15804 if (appData.debugMode)
15805 fprintf(debugFP, "Interrupting %s\n", cps->which);
15806 InterruptChildProcess(cps->pr);
15807 cps->maybeThinking = FALSE;
15812 #endif /*ATTENTION*/
15818 if (whiteTimeRemaining <= 0) {
15821 if (appData.icsActive) {
15822 if (appData.autoCallFlag &&
15823 gameMode == IcsPlayingBlack && !blackFlag) {
15824 SendToICS(ics_prefix);
15825 SendToICS("flag\n");
15829 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15831 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15832 if (appData.autoCallFlag) {
15833 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15840 if (blackTimeRemaining <= 0) {
15843 if (appData.icsActive) {
15844 if (appData.autoCallFlag &&
15845 gameMode == IcsPlayingWhite && !whiteFlag) {
15846 SendToICS(ics_prefix);
15847 SendToICS("flag\n");
15851 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15853 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15854 if (appData.autoCallFlag) {
15855 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15868 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15869 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15872 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15874 if ( !WhiteOnMove(forwardMostMove) ) {
15875 /* White made time control */
15876 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15877 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15878 /* [HGM] time odds: correct new time quota for time odds! */
15879 / WhitePlayer()->timeOdds;
15880 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15882 lastBlack -= blackTimeRemaining;
15883 /* Black made time control */
15884 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15885 / WhitePlayer()->other->timeOdds;
15886 lastWhite = whiteTimeRemaining;
15891 DisplayBothClocks()
15893 int wom = gameMode == EditPosition ?
15894 !blackPlaysFirst : WhiteOnMove(currentMove);
15895 DisplayWhiteClock(whiteTimeRemaining, wom);
15896 DisplayBlackClock(blackTimeRemaining, !wom);
15900 /* Timekeeping seems to be a portability nightmare. I think everyone
15901 has ftime(), but I'm really not sure, so I'm including some ifdefs
15902 to use other calls if you don't. Clocks will be less accurate if
15903 you have neither ftime nor gettimeofday.
15906 /* VS 2008 requires the #include outside of the function */
15907 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15908 #include <sys/timeb.h>
15911 /* Get the current time as a TimeMark */
15916 #if HAVE_GETTIMEOFDAY
15918 struct timeval timeVal;
15919 struct timezone timeZone;
15921 gettimeofday(&timeVal, &timeZone);
15922 tm->sec = (long) timeVal.tv_sec;
15923 tm->ms = (int) (timeVal.tv_usec / 1000L);
15925 #else /*!HAVE_GETTIMEOFDAY*/
15928 // include <sys/timeb.h> / moved to just above start of function
15929 struct timeb timeB;
15932 tm->sec = (long) timeB.time;
15933 tm->ms = (int) timeB.millitm;
15935 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15936 tm->sec = (long) time(NULL);
15942 /* Return the difference in milliseconds between two
15943 time marks. We assume the difference will fit in a long!
15946 SubtractTimeMarks(tm2, tm1)
15947 TimeMark *tm2, *tm1;
15949 return 1000L*(tm2->sec - tm1->sec) +
15950 (long) (tm2->ms - tm1->ms);
15955 * Code to manage the game clocks.
15957 * In tournament play, black starts the clock and then white makes a move.
15958 * We give the human user a slight advantage if he is playing white---the
15959 * clocks don't run until he makes his first move, so it takes zero time.
15960 * Also, we don't account for network lag, so we could get out of sync
15961 * with GNU Chess's clock -- but then, referees are always right.
15964 static TimeMark tickStartTM;
15965 static long intendedTickLength;
15968 NextTickLength(timeRemaining)
15969 long timeRemaining;
15971 long nominalTickLength, nextTickLength;
15973 if (timeRemaining > 0L && timeRemaining <= 10000L)
15974 nominalTickLength = 100L;
15976 nominalTickLength = 1000L;
15977 nextTickLength = timeRemaining % nominalTickLength;
15978 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15980 return nextTickLength;
15983 /* Adjust clock one minute up or down */
15985 AdjustClock(Boolean which, int dir)
15987 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15988 if(which) blackTimeRemaining += 60000*dir;
15989 else whiteTimeRemaining += 60000*dir;
15990 DisplayBothClocks();
15991 adjustedClock = TRUE;
15994 /* Stop clocks and reset to a fresh time control */
15998 (void) StopClockTimer();
15999 if (appData.icsActive) {
16000 whiteTimeRemaining = blackTimeRemaining = 0;
16001 } else if (searchTime) {
16002 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16003 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16004 } else { /* [HGM] correct new time quote for time odds */
16005 whiteTC = blackTC = fullTimeControlString;
16006 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16007 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16009 if (whiteFlag || blackFlag) {
16011 whiteFlag = blackFlag = FALSE;
16013 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16014 DisplayBothClocks();
16015 adjustedClock = FALSE;
16018 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16020 /* Decrement running clock by amount of time that has passed */
16024 long timeRemaining;
16025 long lastTickLength, fudge;
16028 if (!appData.clockMode) return;
16029 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16033 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16035 /* Fudge if we woke up a little too soon */
16036 fudge = intendedTickLength - lastTickLength;
16037 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16039 if (WhiteOnMove(forwardMostMove)) {
16040 if(whiteNPS >= 0) lastTickLength = 0;
16041 timeRemaining = whiteTimeRemaining -= lastTickLength;
16042 if(timeRemaining < 0 && !appData.icsActive) {
16043 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16044 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16045 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16046 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16049 DisplayWhiteClock(whiteTimeRemaining - fudge,
16050 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16052 if(blackNPS >= 0) lastTickLength = 0;
16053 timeRemaining = blackTimeRemaining -= lastTickLength;
16054 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16055 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16057 blackStartMove = forwardMostMove;
16058 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16061 DisplayBlackClock(blackTimeRemaining - fudge,
16062 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16064 if (CheckFlags()) return;
16067 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16068 StartClockTimer(intendedTickLength);
16070 /* if the time remaining has fallen below the alarm threshold, sound the
16071 * alarm. if the alarm has sounded and (due to a takeback or time control
16072 * with increment) the time remaining has increased to a level above the
16073 * threshold, reset the alarm so it can sound again.
16076 if (appData.icsActive && appData.icsAlarm) {
16078 /* make sure we are dealing with the user's clock */
16079 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16080 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16083 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16084 alarmSounded = FALSE;
16085 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16087 alarmSounded = TRUE;
16093 /* A player has just moved, so stop the previously running
16094 clock and (if in clock mode) start the other one.
16095 We redisplay both clocks in case we're in ICS mode, because
16096 ICS gives us an update to both clocks after every move.
16097 Note that this routine is called *after* forwardMostMove
16098 is updated, so the last fractional tick must be subtracted
16099 from the color that is *not* on move now.
16102 SwitchClocks(int newMoveNr)
16104 long lastTickLength;
16106 int flagged = FALSE;
16110 if (StopClockTimer() && appData.clockMode) {
16111 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16112 if (!WhiteOnMove(forwardMostMove)) {
16113 if(blackNPS >= 0) lastTickLength = 0;
16114 blackTimeRemaining -= lastTickLength;
16115 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16116 // if(pvInfoList[forwardMostMove].time == -1)
16117 pvInfoList[forwardMostMove].time = // use GUI time
16118 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16120 if(whiteNPS >= 0) lastTickLength = 0;
16121 whiteTimeRemaining -= lastTickLength;
16122 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16123 // if(pvInfoList[forwardMostMove].time == -1)
16124 pvInfoList[forwardMostMove].time =
16125 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16127 flagged = CheckFlags();
16129 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16130 CheckTimeControl();
16132 if (flagged || !appData.clockMode) return;
16134 switch (gameMode) {
16135 case MachinePlaysBlack:
16136 case MachinePlaysWhite:
16137 case BeginningOfGame:
16138 if (pausing) return;
16142 case PlayFromGameFile:
16150 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16151 if(WhiteOnMove(forwardMostMove))
16152 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16153 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16157 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16158 whiteTimeRemaining : blackTimeRemaining);
16159 StartClockTimer(intendedTickLength);
16163 /* Stop both clocks */
16167 long lastTickLength;
16170 if (!StopClockTimer()) return;
16171 if (!appData.clockMode) return;
16175 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16176 if (WhiteOnMove(forwardMostMove)) {
16177 if(whiteNPS >= 0) lastTickLength = 0;
16178 whiteTimeRemaining -= lastTickLength;
16179 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16181 if(blackNPS >= 0) lastTickLength = 0;
16182 blackTimeRemaining -= lastTickLength;
16183 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16188 /* Start clock of player on move. Time may have been reset, so
16189 if clock is already running, stop and restart it. */
16193 (void) StopClockTimer(); /* in case it was running already */
16194 DisplayBothClocks();
16195 if (CheckFlags()) return;
16197 if (!appData.clockMode) return;
16198 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16200 GetTimeMark(&tickStartTM);
16201 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16202 whiteTimeRemaining : blackTimeRemaining);
16204 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16205 whiteNPS = blackNPS = -1;
16206 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16207 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16208 whiteNPS = first.nps;
16209 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16210 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16211 blackNPS = first.nps;
16212 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16213 whiteNPS = second.nps;
16214 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16215 blackNPS = second.nps;
16216 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16218 StartClockTimer(intendedTickLength);
16225 long second, minute, hour, day;
16227 static char buf[32];
16229 if (ms > 0 && ms <= 9900) {
16230 /* convert milliseconds to tenths, rounding up */
16231 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16233 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16237 /* convert milliseconds to seconds, rounding up */
16238 /* use floating point to avoid strangeness of integer division
16239 with negative dividends on many machines */
16240 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16247 day = second / (60 * 60 * 24);
16248 second = second % (60 * 60 * 24);
16249 hour = second / (60 * 60);
16250 second = second % (60 * 60);
16251 minute = second / 60;
16252 second = second % 60;
16255 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16256 sign, day, hour, minute, second);
16258 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16260 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16267 * This is necessary because some C libraries aren't ANSI C compliant yet.
16270 StrStr(string, match)
16271 char *string, *match;
16275 length = strlen(match);
16277 for (i = strlen(string) - length; i >= 0; i--, string++)
16278 if (!strncmp(match, string, length))
16285 StrCaseStr(string, match)
16286 char *string, *match;
16290 length = strlen(match);
16292 for (i = strlen(string) - length; i >= 0; i--, string++) {
16293 for (j = 0; j < length; j++) {
16294 if (ToLower(match[j]) != ToLower(string[j]))
16297 if (j == length) return string;
16311 c1 = ToLower(*s1++);
16312 c2 = ToLower(*s2++);
16313 if (c1 > c2) return 1;
16314 if (c1 < c2) return -1;
16315 if (c1 == NULLCHAR) return 0;
16324 return isupper(c) ? tolower(c) : c;
16332 return islower(c) ? toupper(c) : c;
16334 #endif /* !_amigados */
16342 if ((ret = (char *) malloc(strlen(s) + 1)))
16344 safeStrCpy(ret, s, strlen(s)+1);
16350 StrSavePtr(s, savePtr)
16351 char *s, **savePtr;
16356 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16357 safeStrCpy(*savePtr, s, strlen(s)+1);
16369 clock = time((time_t *)NULL);
16370 tm = localtime(&clock);
16371 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16372 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16373 return StrSave(buf);
16378 PositionToFEN(move, overrideCastling)
16380 char *overrideCastling;
16382 int i, j, fromX, fromY, toX, toY;
16389 whiteToPlay = (gameMode == EditPosition) ?
16390 !blackPlaysFirst : (move % 2 == 0);
16393 /* Piece placement data */
16394 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16395 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16397 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16398 if (boards[move][i][j] == EmptySquare) {
16400 } else { ChessSquare piece = boards[move][i][j];
16401 if (emptycount > 0) {
16402 if(emptycount<10) /* [HGM] can be >= 10 */
16403 *p++ = '0' + emptycount;
16404 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16407 if(PieceToChar(piece) == '+') {
16408 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16410 piece = (ChessSquare)(DEMOTED piece);
16412 *p++ = PieceToChar(piece);
16414 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16415 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16420 if (emptycount > 0) {
16421 if(emptycount<10) /* [HGM] can be >= 10 */
16422 *p++ = '0' + emptycount;
16423 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16430 /* [HGM] print Crazyhouse or Shogi holdings */
16431 if( gameInfo.holdingsWidth ) {
16432 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16434 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16435 piece = boards[move][i][BOARD_WIDTH-1];
16436 if( piece != EmptySquare )
16437 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16438 *p++ = PieceToChar(piece);
16440 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16441 piece = boards[move][BOARD_HEIGHT-i-1][0];
16442 if( piece != EmptySquare )
16443 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16444 *p++ = PieceToChar(piece);
16447 if( q == p ) *p++ = '-';
16453 *p++ = whiteToPlay ? 'w' : 'b';
16456 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16457 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16459 if(nrCastlingRights) {
16461 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16462 /* [HGM] write directly from rights */
16463 if(boards[move][CASTLING][2] != NoRights &&
16464 boards[move][CASTLING][0] != NoRights )
16465 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16466 if(boards[move][CASTLING][2] != NoRights &&
16467 boards[move][CASTLING][1] != NoRights )
16468 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16469 if(boards[move][CASTLING][5] != NoRights &&
16470 boards[move][CASTLING][3] != NoRights )
16471 *p++ = boards[move][CASTLING][3] + AAA;
16472 if(boards[move][CASTLING][5] != NoRights &&
16473 boards[move][CASTLING][4] != NoRights )
16474 *p++ = boards[move][CASTLING][4] + AAA;
16477 /* [HGM] write true castling rights */
16478 if( nrCastlingRights == 6 ) {
16479 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16480 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16481 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16482 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16483 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16484 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16485 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16486 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16489 if (q == p) *p++ = '-'; /* No castling rights */
16493 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16494 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16495 /* En passant target square */
16496 if (move > backwardMostMove) {
16497 fromX = moveList[move - 1][0] - AAA;
16498 fromY = moveList[move - 1][1] - ONE;
16499 toX = moveList[move - 1][2] - AAA;
16500 toY = moveList[move - 1][3] - ONE;
16501 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16502 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16503 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16505 /* 2-square pawn move just happened */
16507 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16511 } else if(move == backwardMostMove) {
16512 // [HGM] perhaps we should always do it like this, and forget the above?
16513 if((signed char)boards[move][EP_STATUS] >= 0) {
16514 *p++ = boards[move][EP_STATUS] + AAA;
16515 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16526 /* [HGM] find reversible plies */
16527 { int i = 0, j=move;
16529 if (appData.debugMode) { int k;
16530 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16531 for(k=backwardMostMove; k<=forwardMostMove; k++)
16532 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16536 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16537 if( j == backwardMostMove ) i += initialRulePlies;
16538 sprintf(p, "%d ", i);
16539 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16541 /* Fullmove number */
16542 sprintf(p, "%d", (move / 2) + 1);
16544 return StrSave(buf);
16548 ParseFEN(board, blackPlaysFirst, fen)
16550 int *blackPlaysFirst;
16560 /* [HGM] by default clear Crazyhouse holdings, if present */
16561 if(gameInfo.holdingsWidth) {
16562 for(i=0; i<BOARD_HEIGHT; i++) {
16563 board[i][0] = EmptySquare; /* black holdings */
16564 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16565 board[i][1] = (ChessSquare) 0; /* black counts */
16566 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16570 /* Piece placement data */
16571 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16574 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16575 if (*p == '/') p++;
16576 emptycount = gameInfo.boardWidth - j;
16577 while (emptycount--)
16578 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16580 #if(BOARD_FILES >= 10)
16581 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16582 p++; emptycount=10;
16583 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16584 while (emptycount--)
16585 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16587 } else if (isdigit(*p)) {
16588 emptycount = *p++ - '0';
16589 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16590 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16591 while (emptycount--)
16592 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16593 } else if (*p == '+' || isalpha(*p)) {
16594 if (j >= gameInfo.boardWidth) return FALSE;
16596 piece = CharToPiece(*++p);
16597 if(piece == EmptySquare) return FALSE; /* unknown piece */
16598 piece = (ChessSquare) (PROMOTED piece ); p++;
16599 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16600 } else piece = CharToPiece(*p++);
16602 if(piece==EmptySquare) return FALSE; /* unknown piece */
16603 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16604 piece = (ChessSquare) (PROMOTED piece);
16605 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16608 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16614 while (*p == '/' || *p == ' ') p++;
16616 /* [HGM] look for Crazyhouse holdings here */
16617 while(*p==' ') p++;
16618 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16620 if(*p == '-' ) p++; /* empty holdings */ else {
16621 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16622 /* if we would allow FEN reading to set board size, we would */
16623 /* have to add holdings and shift the board read so far here */
16624 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16626 if((int) piece >= (int) BlackPawn ) {
16627 i = (int)piece - (int)BlackPawn;
16628 i = PieceToNumber((ChessSquare)i);
16629 if( i >= gameInfo.holdingsSize ) return FALSE;
16630 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16631 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16633 i = (int)piece - (int)WhitePawn;
16634 i = PieceToNumber((ChessSquare)i);
16635 if( i >= gameInfo.holdingsSize ) return FALSE;
16636 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16637 board[i][BOARD_WIDTH-2]++; /* black holdings */
16644 while(*p == ' ') p++;
16648 if(appData.colorNickNames) {
16649 if( c == appData.colorNickNames[0] ) c = 'w'; else
16650 if( c == appData.colorNickNames[1] ) c = 'b';
16654 *blackPlaysFirst = FALSE;
16657 *blackPlaysFirst = TRUE;
16663 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16664 /* return the extra info in global variiables */
16666 /* set defaults in case FEN is incomplete */
16667 board[EP_STATUS] = EP_UNKNOWN;
16668 for(i=0; i<nrCastlingRights; i++ ) {
16669 board[CASTLING][i] =
16670 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16671 } /* assume possible unless obviously impossible */
16672 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16673 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16674 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16675 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16676 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16677 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16678 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16679 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16682 while(*p==' ') p++;
16683 if(nrCastlingRights) {
16684 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16685 /* castling indicator present, so default becomes no castlings */
16686 for(i=0; i<nrCastlingRights; i++ ) {
16687 board[CASTLING][i] = NoRights;
16690 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16691 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16692 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16693 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16694 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16696 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16697 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16698 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16700 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16701 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16702 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16703 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16704 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16705 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16708 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16709 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16710 board[CASTLING][2] = whiteKingFile;
16713 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16714 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16715 board[CASTLING][2] = whiteKingFile;
16718 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16719 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16720 board[CASTLING][5] = blackKingFile;
16723 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16724 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16725 board[CASTLING][5] = blackKingFile;
16728 default: /* FRC castlings */
16729 if(c >= 'a') { /* black rights */
16730 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16731 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16732 if(i == BOARD_RGHT) break;
16733 board[CASTLING][5] = i;
16735 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16736 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16738 board[CASTLING][3] = c;
16740 board[CASTLING][4] = c;
16741 } else { /* white rights */
16742 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16743 if(board[0][i] == WhiteKing) break;
16744 if(i == BOARD_RGHT) break;
16745 board[CASTLING][2] = i;
16746 c -= AAA - 'a' + 'A';
16747 if(board[0][c] >= WhiteKing) break;
16749 board[CASTLING][0] = c;
16751 board[CASTLING][1] = c;
16755 for(i=0; i<nrCastlingRights; i++)
16756 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16757 if (appData.debugMode) {
16758 fprintf(debugFP, "FEN castling rights:");
16759 for(i=0; i<nrCastlingRights; i++)
16760 fprintf(debugFP, " %d", board[CASTLING][i]);
16761 fprintf(debugFP, "\n");
16764 while(*p==' ') p++;
16767 /* read e.p. field in games that know e.p. capture */
16768 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16769 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16771 p++; board[EP_STATUS] = EP_NONE;
16773 char c = *p++ - AAA;
16775 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16776 if(*p >= '0' && *p <='9') p++;
16777 board[EP_STATUS] = c;
16782 if(sscanf(p, "%d", &i) == 1) {
16783 FENrulePlies = i; /* 50-move ply counter */
16784 /* (The move number is still ignored) */
16791 EditPositionPasteFEN(char *fen)
16794 Board initial_position;
16796 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16797 DisplayError(_("Bad FEN position in clipboard"), 0);
16800 int savedBlackPlaysFirst = blackPlaysFirst;
16801 EditPositionEvent();
16802 blackPlaysFirst = savedBlackPlaysFirst;
16803 CopyBoard(boards[0], initial_position);
16804 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16805 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16806 DisplayBothClocks();
16807 DrawPosition(FALSE, boards[currentMove]);
16812 static char cseq[12] = "\\ ";
16814 Boolean set_cont_sequence(char *new_seq)
16819 // handle bad attempts to set the sequence
16821 return 0; // acceptable error - no debug
16823 len = strlen(new_seq);
16824 ret = (len > 0) && (len < sizeof(cseq));
16826 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16827 else if (appData.debugMode)
16828 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16833 reformat a source message so words don't cross the width boundary. internal
16834 newlines are not removed. returns the wrapped size (no null character unless
16835 included in source message). If dest is NULL, only calculate the size required
16836 for the dest buffer. lp argument indicats line position upon entry, and it's
16837 passed back upon exit.
16839 int wrap(char *dest, char *src, int count, int width, int *lp)
16841 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16843 cseq_len = strlen(cseq);
16844 old_line = line = *lp;
16845 ansi = len = clen = 0;
16847 for (i=0; i < count; i++)
16849 if (src[i] == '\033')
16852 // if we hit the width, back up
16853 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16855 // store i & len in case the word is too long
16856 old_i = i, old_len = len;
16858 // find the end of the last word
16859 while (i && src[i] != ' ' && src[i] != '\n')
16865 // word too long? restore i & len before splitting it
16866 if ((old_i-i+clen) >= width)
16873 if (i && src[i-1] == ' ')
16876 if (src[i] != ' ' && src[i] != '\n')
16883 // now append the newline and continuation sequence
16888 strncpy(dest+len, cseq, cseq_len);
16896 dest[len] = src[i];
16900 if (src[i] == '\n')
16905 if (dest && appData.debugMode)
16907 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16908 count, width, line, len, *lp);
16909 show_bytes(debugFP, src, count);
16910 fprintf(debugFP, "\ndest: ");
16911 show_bytes(debugFP, dest, len);
16912 fprintf(debugFP, "\n");
16914 *lp = dest ? line : old_line;
16919 // [HGM] vari: routines for shelving variations
16920 Boolean modeRestore = FALSE;
16923 PushInner(int firstMove, int lastMove)
16925 int i, j, nrMoves = lastMove - firstMove;
16927 // push current tail of game on stack
16928 savedResult[storedGames] = gameInfo.result;
16929 savedDetails[storedGames] = gameInfo.resultDetails;
16930 gameInfo.resultDetails = NULL;
16931 savedFirst[storedGames] = firstMove;
16932 savedLast [storedGames] = lastMove;
16933 savedFramePtr[storedGames] = framePtr;
16934 framePtr -= nrMoves; // reserve space for the boards
16935 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16936 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16937 for(j=0; j<MOVE_LEN; j++)
16938 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16939 for(j=0; j<2*MOVE_LEN; j++)
16940 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16941 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16942 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16943 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16944 pvInfoList[firstMove+i-1].depth = 0;
16945 commentList[framePtr+i] = commentList[firstMove+i];
16946 commentList[firstMove+i] = NULL;
16950 forwardMostMove = firstMove; // truncate game so we can start variation
16954 PushTail(int firstMove, int lastMove)
16956 if(appData.icsActive) { // only in local mode
16957 forwardMostMove = currentMove; // mimic old ICS behavior
16960 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16962 PushInner(firstMove, lastMove);
16963 if(storedGames == 1) GreyRevert(FALSE);
16964 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16968 PopInner(Boolean annotate)
16971 char buf[8000], moveBuf[20];
16973 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16974 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16975 nrMoves = savedLast[storedGames] - currentMove;
16978 if(!WhiteOnMove(currentMove))
16979 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16980 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16981 for(i=currentMove; i<forwardMostMove; i++) {
16983 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16984 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16985 strcat(buf, moveBuf);
16986 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16987 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16991 for(i=1; i<=nrMoves; i++) { // copy last variation back
16992 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16993 for(j=0; j<MOVE_LEN; j++)
16994 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16995 for(j=0; j<2*MOVE_LEN; j++)
16996 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16997 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16998 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16999 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17000 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17001 commentList[currentMove+i] = commentList[framePtr+i];
17002 commentList[framePtr+i] = NULL;
17004 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17005 framePtr = savedFramePtr[storedGames];
17006 gameInfo.result = savedResult[storedGames];
17007 if(gameInfo.resultDetails != NULL) {
17008 free(gameInfo.resultDetails);
17010 gameInfo.resultDetails = savedDetails[storedGames];
17011 forwardMostMove = currentMove + nrMoves;
17015 PopTail(Boolean annotate)
17017 if(appData.icsActive) return FALSE; // only in local mode
17018 if(!storedGames) return FALSE; // sanity
17019 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17021 PopInner(annotate);
17022 if(currentMove < forwardMostMove) ForwardEvent(); else
17023 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17025 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17031 { // remove all shelved variations
17033 for(i=0; i<storedGames; i++) {
17034 if(savedDetails[i])
17035 free(savedDetails[i]);
17036 savedDetails[i] = NULL;
17038 for(i=framePtr; i<MAX_MOVES; i++) {
17039 if(commentList[i]) free(commentList[i]);
17040 commentList[i] = NULL;
17042 framePtr = MAX_MOVES-1;
17047 LoadVariation(int index, char *text)
17048 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17049 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17050 int level = 0, move;
17052 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17053 // first find outermost bracketing variation
17054 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17055 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17056 if(*p == '{') wait = '}'; else
17057 if(*p == '[') wait = ']'; else
17058 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17059 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17061 if(*p == wait) wait = NULLCHAR; // closing ]} found
17064 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17065 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17066 end[1] = NULLCHAR; // clip off comment beyond variation
17067 ToNrEvent(currentMove-1);
17068 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17069 // kludge: use ParsePV() to append variation to game
17070 move = currentMove;
17071 ParsePV(start, TRUE, TRUE);
17072 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17073 ClearPremoveHighlights();
17075 ToNrEvent(currentMove+1);