2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
135 # define _(s) gettext (s)
136 # define N_(s) gettext_noop (s)
137 # define T_(s) gettext(s)
150 int establish P((void));
151 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
152 char *buf, int count, int error));
153 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
154 char *buf, int count, int error));
155 void ics_printf P((char *format, ...));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
227 extern void ConsoleCreate();
230 ChessProgramState *WhitePlayer();
231 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
232 int VerifyDisplayMode P(());
234 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
235 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
236 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
237 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
238 void ics_update_width P((int new_width));
239 extern char installDir[MSG_SIZ];
240 VariantClass startVariant; /* [HGM] nicks: initial variant */
243 extern int tinyLayout, smallLayout;
244 ChessProgramStats programStats;
245 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
247 static int exiting = 0; /* [HGM] moved to top */
248 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
249 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
250 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
251 int partnerHighlight[2];
252 Boolean partnerBoardValid = 0;
253 char partnerStatus[MSG_SIZ];
255 Boolean originalFlip;
256 Boolean twoBoards = 0;
257 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
258 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
259 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
260 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
261 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
262 int opponentKibitzes;
263 int lastSavedGame; /* [HGM] save: ID of game */
264 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
265 extern int chatCount;
267 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
268 char lastMsg[MSG_SIZ];
269 ChessSquare pieceSweep = EmptySquare;
270 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
271 int promoDefaultAltered;
273 /* States for ics_getting_history */
275 #define H_REQUESTED 1
276 #define H_GOT_REQ_HEADER 2
277 #define H_GOT_UNREQ_HEADER 3
278 #define H_GETTING_MOVES 4
279 #define H_GOT_UNWANTED_HEADER 5
281 /* whosays values for GameEnds */
290 /* Maximum number of games in a cmail message */
291 #define CMAIL_MAX_GAMES 20
293 /* Different types of move when calling RegisterMove */
295 #define CMAIL_RESIGN 1
297 #define CMAIL_ACCEPT 3
299 /* Different types of result to remember for each game */
300 #define CMAIL_NOT_RESULT 0
301 #define CMAIL_OLD_RESULT 1
302 #define CMAIL_NEW_RESULT 2
304 /* Telnet protocol constants */
315 safeStrCpy( char *dst, const char *src, size_t count )
318 assert( dst != NULL );
319 assert( src != NULL );
322 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
323 if( i == count && dst[count-1] != NULLCHAR)
325 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
326 if(appData.debugMode)
327 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
333 /* Some compiler can't cast u64 to double
334 * This function do the job for us:
336 * We use the highest bit for cast, this only
337 * works if the highest bit is not
338 * in use (This should not happen)
340 * We used this for all compiler
343 u64ToDouble(u64 value)
346 u64 tmp = value & u64Const(0x7fffffffffffffff);
347 r = (double)(s64)tmp;
348 if (value & u64Const(0x8000000000000000))
349 r += 9.2233720368547758080e18; /* 2^63 */
353 /* Fake up flags for now, as we aren't keeping track of castling
354 availability yet. [HGM] Change of logic: the flag now only
355 indicates the type of castlings allowed by the rule of the game.
356 The actual rights themselves are maintained in the array
357 castlingRights, as part of the game history, and are not probed
363 int flags = F_ALL_CASTLE_OK;
364 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
365 switch (gameInfo.variant) {
367 flags &= ~F_ALL_CASTLE_OK;
368 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
369 flags |= F_IGNORE_CHECK;
371 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
374 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
376 case VariantKriegspiel:
377 flags |= F_KRIEGSPIEL_CAPTURE;
379 case VariantCapaRandom:
380 case VariantFischeRandom:
381 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
382 case VariantNoCastle:
383 case VariantShatranj:
387 flags &= ~F_ALL_CASTLE_OK;
395 FILE *gameFileFP, *debugFP;
398 [AS] Note: sometimes, the sscanf() function is used to parse the input
399 into a fixed-size buffer. Because of this, we must be prepared to
400 receive strings as long as the size of the input buffer, which is currently
401 set to 4K for Windows and 8K for the rest.
402 So, we must either allocate sufficiently large buffers here, or
403 reduce the size of the input buffer in the input reading part.
406 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
407 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
408 char thinkOutput1[MSG_SIZ*10];
410 ChessProgramState first, second, pairing;
412 /* premove variables */
415 int premoveFromX = 0;
416 int premoveFromY = 0;
417 int premovePromoChar = 0;
419 Boolean alarmSounded;
420 /* end premove variables */
422 char *ics_prefix = "$";
423 int ics_type = ICS_GENERIC;
425 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
426 int pauseExamForwardMostMove = 0;
427 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
428 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
429 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
430 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
431 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
432 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
433 int whiteFlag = FALSE, blackFlag = FALSE;
434 int userOfferedDraw = FALSE;
435 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
436 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
437 int cmailMoveType[CMAIL_MAX_GAMES];
438 long ics_clock_paused = 0;
439 ProcRef icsPR = NoProc, cmailPR = NoProc;
440 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
441 GameMode gameMode = BeginningOfGame;
442 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
443 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
444 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
445 int hiddenThinkOutputState = 0; /* [AS] */
446 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
447 int adjudicateLossPlies = 6;
448 char white_holding[64], black_holding[64];
449 TimeMark lastNodeCountTime;
450 long lastNodeCount=0;
451 int shiftKey; // [HGM] set by mouse handler
453 int have_sent_ICS_logon = 0;
455 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
456 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
457 Boolean adjustedClock;
458 long timeControl_2; /* [AS] Allow separate time controls */
459 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
460 long timeRemaining[2][MAX_MOVES];
461 int matchGame = 0, nextGame = 0, roundNr = 0;
462 Boolean waitingForGame = FALSE;
463 TimeMark programStartTime, pauseStart;
464 char ics_handle[MSG_SIZ];
465 int have_set_title = 0;
467 /* animateTraining preserves the state of appData.animate
468 * when Training mode is activated. This allows the
469 * response to be animated when appData.animate == TRUE and
470 * appData.animateDragging == TRUE.
472 Boolean animateTraining;
478 Board boards[MAX_MOVES];
479 /* [HGM] Following 7 needed for accurate legality tests: */
480 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
481 signed char initialRights[BOARD_FILES];
482 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
483 int initialRulePlies, FENrulePlies;
484 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
486 Boolean shuffleOpenings;
487 int mute; // mute all sounds
489 // [HGM] vari: next 12 to save and restore variations
490 #define MAX_VARIATIONS 10
491 int framePtr = MAX_MOVES-1; // points to free stack entry
493 int savedFirst[MAX_VARIATIONS];
494 int savedLast[MAX_VARIATIONS];
495 int savedFramePtr[MAX_VARIATIONS];
496 char *savedDetails[MAX_VARIATIONS];
497 ChessMove savedResult[MAX_VARIATIONS];
499 void PushTail P((int firstMove, int lastMove));
500 Boolean PopTail P((Boolean annotate));
501 void PushInner P((int firstMove, int lastMove));
502 void PopInner P((Boolean annotate));
503 void CleanupTail P((void));
505 ChessSquare FIDEArray[2][BOARD_FILES] = {
506 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
507 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
508 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
509 BlackKing, BlackBishop, BlackKnight, BlackRook }
512 ChessSquare twoKingsArray[2][BOARD_FILES] = {
513 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
514 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
515 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
516 BlackKing, BlackKing, BlackKnight, BlackRook }
519 ChessSquare KnightmateArray[2][BOARD_FILES] = {
520 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
521 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
522 { BlackRook, BlackMan, BlackBishop, BlackQueen,
523 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
526 ChessSquare SpartanArray[2][BOARD_FILES] = {
527 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
528 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
529 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
530 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
533 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
534 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
535 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
536 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
537 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
540 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
541 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
542 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
543 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
544 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
547 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
548 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
549 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
550 { BlackRook, BlackKnight, BlackMan, BlackFerz,
551 BlackKing, BlackMan, BlackKnight, BlackRook }
555 #if (BOARD_FILES>=10)
556 ChessSquare ShogiArray[2][BOARD_FILES] = {
557 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
558 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
559 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
560 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
563 ChessSquare XiangqiArray[2][BOARD_FILES] = {
564 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
565 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
566 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
567 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
570 ChessSquare CapablancaArray[2][BOARD_FILES] = {
571 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
572 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
573 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
574 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
577 ChessSquare GreatArray[2][BOARD_FILES] = {
578 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
579 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
580 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
581 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
584 ChessSquare JanusArray[2][BOARD_FILES] = {
585 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
586 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
587 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
588 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
591 ChessSquare GrandArray[2][BOARD_FILES] = {
592 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
593 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
594 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
595 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
599 ChessSquare GothicArray[2][BOARD_FILES] = {
600 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
601 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
602 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
603 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
606 #define GothicArray CapablancaArray
610 ChessSquare FalconArray[2][BOARD_FILES] = {
611 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
612 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
613 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
614 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
617 #define FalconArray CapablancaArray
620 #else // !(BOARD_FILES>=10)
621 #define XiangqiPosition FIDEArray
622 #define CapablancaArray FIDEArray
623 #define GothicArray FIDEArray
624 #define GreatArray FIDEArray
625 #endif // !(BOARD_FILES>=10)
627 #if (BOARD_FILES>=12)
628 ChessSquare CourierArray[2][BOARD_FILES] = {
629 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
630 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
631 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
632 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
634 #else // !(BOARD_FILES>=12)
635 #define CourierArray CapablancaArray
636 #endif // !(BOARD_FILES>=12)
639 Board initialPosition;
642 /* Convert str to a rating. Checks for special cases of "----",
644 "++++", etc. Also strips ()'s */
646 string_to_rating(str)
649 while(*str && !isdigit(*str)) ++str;
651 return 0; /* One of the special "no rating" cases */
659 /* Init programStats */
660 programStats.movelist[0] = 0;
661 programStats.depth = 0;
662 programStats.nr_moves = 0;
663 programStats.moves_left = 0;
664 programStats.nodes = 0;
665 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
666 programStats.score = 0;
667 programStats.got_only_move = 0;
668 programStats.got_fail = 0;
669 programStats.line_is_book = 0;
674 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
675 if (appData.firstPlaysBlack) {
676 first.twoMachinesColor = "black\n";
677 second.twoMachinesColor = "white\n";
679 first.twoMachinesColor = "white\n";
680 second.twoMachinesColor = "black\n";
683 first.other = &second;
684 second.other = &first;
687 if(appData.timeOddsMode) {
688 norm = appData.timeOdds[0];
689 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
691 first.timeOdds = appData.timeOdds[0]/norm;
692 second.timeOdds = appData.timeOdds[1]/norm;
695 if(programVersion) free(programVersion);
696 if (appData.noChessProgram) {
697 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
698 sprintf(programVersion, "%s", PACKAGE_STRING);
700 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
701 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
702 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
707 UnloadEngine(ChessProgramState *cps)
709 /* Kill off first chess program */
710 if (cps->isr != NULL)
711 RemoveInputSource(cps->isr);
714 if (cps->pr != NoProc) {
716 DoSleep( appData.delayBeforeQuit );
717 SendToProgram("quit\n", cps);
718 DoSleep( appData.delayAfterQuit );
719 DestroyChildProcess(cps->pr, cps->useSigterm);
722 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
726 ClearOptions(ChessProgramState *cps)
729 cps->nrOptions = cps->comboCnt = 0;
730 for(i=0; i<MAX_OPTIONS; i++) {
731 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
732 cps->option[i].textValue = 0;
736 char *engineNames[] = {
742 InitEngine(ChessProgramState *cps, int n)
743 { // [HGM] all engine initialiation put in a function that does one engine
747 cps->which = engineNames[n];
748 cps->maybeThinking = FALSE;
752 cps->sendDrawOffers = 1;
754 cps->program = appData.chessProgram[n];
755 cps->host = appData.host[n];
756 cps->dir = appData.directory[n];
757 cps->initString = appData.engInitString[n];
758 cps->computerString = appData.computerString[n];
759 cps->useSigint = TRUE;
760 cps->useSigterm = TRUE;
761 cps->reuse = appData.reuse[n];
762 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
763 cps->useSetboard = FALSE;
765 cps->usePing = FALSE;
768 cps->usePlayother = FALSE;
769 cps->useColors = TRUE;
770 cps->useUsermove = FALSE;
771 cps->sendICS = FALSE;
772 cps->sendName = appData.icsActive;
773 cps->sdKludge = FALSE;
774 cps->stKludge = FALSE;
775 TidyProgramName(cps->program, cps->host, cps->tidy);
777 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
778 cps->analysisSupport = 2; /* detect */
779 cps->analyzing = FALSE;
780 cps->initDone = FALSE;
782 /* New features added by Tord: */
783 cps->useFEN960 = FALSE;
784 cps->useOOCastle = TRUE;
785 /* End of new features added by Tord. */
786 cps->fenOverride = appData.fenOverride[n];
788 /* [HGM] time odds: set factor for each machine */
789 cps->timeOdds = appData.timeOdds[n];
791 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
792 cps->accumulateTC = appData.accumulateTC[n];
793 cps->maxNrOfSessions = 1;
798 cps->supportsNPS = UNKNOWN;
799 cps->memSize = FALSE;
800 cps->maxCores = FALSE;
801 cps->egtFormats[0] = NULLCHAR;
804 cps->optionSettings = appData.engOptions[n];
806 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
807 cps->isUCI = appData.isUCI[n]; /* [AS] */
808 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
810 if (appData.protocolVersion[n] > PROTOVER
811 || appData.protocolVersion[n] < 1)
816 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
817 appData.protocolVersion[n]);
818 if( (len >= MSG_SIZ) && appData.debugMode )
819 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
821 DisplayFatalError(buf, 0, 2);
825 cps->protocolVersion = appData.protocolVersion[n];
828 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
829 ParseFeatures(appData.featureDefaults, cps);
832 ChessProgramState *savCps;
838 if(WaitForEngine(savCps, LoadEngine)) return;
839 CommonEngineInit(); // recalculate time odds
840 if(gameInfo.variant != StringToVariant(appData.variant)) {
841 // we changed variant when loading the engine; this forces us to reset
842 Reset(TRUE, savCps != &first);
843 EditGameEvent(); // for consistency with other path, as Reset changes mode
845 InitChessProgram(savCps, FALSE);
846 SendToProgram("force\n", savCps);
847 DisplayMessage("", "");
848 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
849 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
855 ReplaceEngine(ChessProgramState *cps, int n)
859 appData.noChessProgram = FALSE;
860 appData.clockMode = TRUE;
863 if(n) return; // only startup first engine immediately; second can wait
864 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
868 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
869 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
871 static char resetOptions[] =
872 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
873 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
874 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
877 Load(ChessProgramState *cps, int i)
879 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
880 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
881 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
882 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
883 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
884 ParseArgsFromString(buf);
886 ReplaceEngine(cps, i);
890 while(q = strchr(p, SLASH)) p = q+1;
891 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
892 if(engineDir[0] != NULLCHAR)
893 appData.directory[i] = engineDir;
894 else if(p != engineName) { // derive directory from engine path, when not given
896 appData.directory[i] = strdup(engineName);
898 } else appData.directory[i] = ".";
900 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
901 snprintf(command, MSG_SIZ, "%s %s", p, params);
904 appData.chessProgram[i] = strdup(p);
905 appData.isUCI[i] = isUCI;
906 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
907 appData.hasOwnBookUCI[i] = hasBook;
908 if(!nickName[0]) useNick = FALSE;
909 if(useNick) ASSIGN(appData.pgnName[i], nickName);
913 q = firstChessProgramNames;
914 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
915 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
916 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
917 quote, p, quote, appData.directory[i],
918 useNick ? " -fn \"" : "",
919 useNick ? nickName : "",
921 v1 ? " -firstProtocolVersion 1" : "",
922 hasBook ? "" : " -fNoOwnBookUCI",
923 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
924 storeVariant ? " -variant " : "",
925 storeVariant ? VariantName(gameInfo.variant) : "");
926 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
927 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
930 ReplaceEngine(cps, i);
936 int matched, min, sec;
938 * Parse timeControl resource
940 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
941 appData.movesPerSession)) {
943 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
944 DisplayFatalError(buf, 0, 2);
948 * Parse searchTime resource
950 if (*appData.searchTime != NULLCHAR) {
951 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
953 searchTime = min * 60;
954 } else if (matched == 2) {
955 searchTime = min * 60 + sec;
958 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
959 DisplayFatalError(buf, 0, 2);
968 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
969 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
971 GetTimeMark(&programStartTime);
972 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
973 appData.seedBase = random() + (random()<<15);
974 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
977 programStats.ok_to_send = 1;
978 programStats.seen_stat = 0;
981 * Initialize game list
987 * Internet chess server status
989 if (appData.icsActive) {
990 appData.matchMode = FALSE;
991 appData.matchGames = 0;
993 appData.noChessProgram = !appData.zippyPlay;
995 appData.zippyPlay = FALSE;
996 appData.zippyTalk = FALSE;
997 appData.noChessProgram = TRUE;
999 if (*appData.icsHelper != NULLCHAR) {
1000 appData.useTelnet = TRUE;
1001 appData.telnetProgram = appData.icsHelper;
1004 appData.zippyTalk = appData.zippyPlay = FALSE;
1007 /* [AS] Initialize pv info list [HGM] and game state */
1011 for( i=0; i<=framePtr; i++ ) {
1012 pvInfoList[i].depth = -1;
1013 boards[i][EP_STATUS] = EP_NONE;
1014 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1020 /* [AS] Adjudication threshold */
1021 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1023 InitEngine(&first, 0);
1024 InitEngine(&second, 1);
1027 pairing.which = "pairing"; // pairing engine
1028 pairing.pr = NoProc;
1030 pairing.program = appData.pairingEngine;
1031 pairing.host = "localhost";
1034 if (appData.icsActive) {
1035 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1036 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1037 appData.clockMode = FALSE;
1038 first.sendTime = second.sendTime = 0;
1042 /* Override some settings from environment variables, for backward
1043 compatibility. Unfortunately it's not feasible to have the env
1044 vars just set defaults, at least in xboard. Ugh.
1046 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1051 if (!appData.icsActive) {
1055 /* Check for variants that are supported only in ICS mode,
1056 or not at all. Some that are accepted here nevertheless
1057 have bugs; see comments below.
1059 VariantClass variant = StringToVariant(appData.variant);
1061 case VariantBughouse: /* need four players and two boards */
1062 case VariantKriegspiel: /* need to hide pieces and move details */
1063 /* case VariantFischeRandom: (Fabien: moved below) */
1064 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1065 if( (len >= MSG_SIZ) && appData.debugMode )
1066 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1068 DisplayFatalError(buf, 0, 2);
1071 case VariantUnknown:
1072 case VariantLoadable:
1082 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1083 if( (len >= MSG_SIZ) && appData.debugMode )
1084 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1086 DisplayFatalError(buf, 0, 2);
1089 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1090 case VariantFairy: /* [HGM] TestLegality definitely off! */
1091 case VariantGothic: /* [HGM] should work */
1092 case VariantCapablanca: /* [HGM] should work */
1093 case VariantCourier: /* [HGM] initial forced moves not implemented */
1094 case VariantShogi: /* [HGM] could still mate with pawn drop */
1095 case VariantKnightmate: /* [HGM] should work */
1096 case VariantCylinder: /* [HGM] untested */
1097 case VariantFalcon: /* [HGM] untested */
1098 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1099 offboard interposition not understood */
1100 case VariantNormal: /* definitely works! */
1101 case VariantWildCastle: /* pieces not automatically shuffled */
1102 case VariantNoCastle: /* pieces not automatically shuffled */
1103 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1104 case VariantLosers: /* should work except for win condition,
1105 and doesn't know captures are mandatory */
1106 case VariantSuicide: /* should work except for win condition,
1107 and doesn't know captures are mandatory */
1108 case VariantGiveaway: /* should work except for win condition,
1109 and doesn't know captures are mandatory */
1110 case VariantTwoKings: /* should work */
1111 case VariantAtomic: /* should work except for win condition */
1112 case Variant3Check: /* should work except for win condition */
1113 case VariantShatranj: /* should work except for all win conditions */
1114 case VariantMakruk: /* should work except for draw countdown */
1115 case VariantBerolina: /* might work if TestLegality is off */
1116 case VariantCapaRandom: /* should work */
1117 case VariantJanus: /* should work */
1118 case VariantSuper: /* experimental */
1119 case VariantGreat: /* experimental, requires legality testing to be off */
1120 case VariantSChess: /* S-Chess, should work */
1121 case VariantGrand: /* should work */
1122 case VariantSpartan: /* should work */
1129 int NextIntegerFromString( char ** str, long * value )
1134 while( *s == ' ' || *s == '\t' ) {
1140 if( *s >= '0' && *s <= '9' ) {
1141 while( *s >= '0' && *s <= '9' ) {
1142 *value = *value * 10 + (*s - '0');
1154 int NextTimeControlFromString( char ** str, long * value )
1157 int result = NextIntegerFromString( str, &temp );
1160 *value = temp * 60; /* Minutes */
1161 if( **str == ':' ) {
1163 result = NextIntegerFromString( str, &temp );
1164 *value += temp; /* Seconds */
1171 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1172 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1173 int result = -1, type = 0; long temp, temp2;
1175 if(**str != ':') return -1; // old params remain in force!
1177 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1178 if( NextIntegerFromString( str, &temp ) ) return -1;
1179 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1182 /* time only: incremental or sudden-death time control */
1183 if(**str == '+') { /* increment follows; read it */
1185 if(**str == '!') type = *(*str)++; // Bronstein TC
1186 if(result = NextIntegerFromString( str, &temp2)) return -1;
1187 *inc = temp2 * 1000;
1188 if(**str == '.') { // read fraction of increment
1189 char *start = ++(*str);
1190 if(result = NextIntegerFromString( str, &temp2)) return -1;
1192 while(start++ < *str) temp2 /= 10;
1196 *moves = 0; *tc = temp * 1000; *incType = type;
1200 (*str)++; /* classical time control */
1201 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1212 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1213 { /* [HGM] get time to add from the multi-session time-control string */
1214 int incType, moves=1; /* kludge to force reading of first session */
1215 long time, increment;
1218 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1219 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1221 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1222 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1223 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1224 if(movenr == -1) return time; /* last move before new session */
1225 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1226 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1227 if(!moves) return increment; /* current session is incremental */
1228 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1229 } while(movenr >= -1); /* try again for next session */
1231 return 0; // no new time quota on this move
1235 ParseTimeControl(tc, ti, mps)
1242 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1245 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1246 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1247 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1251 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1253 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1256 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1258 snprintf(buf, MSG_SIZ, ":%s", mytc);
1260 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1262 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1267 /* Parse second time control */
1270 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1278 timeControl_2 = tc2 * 1000;
1288 timeControl = tc1 * 1000;
1291 timeIncrement = ti * 1000; /* convert to ms */
1292 movesPerSession = 0;
1295 movesPerSession = mps;
1303 if (appData.debugMode) {
1304 fprintf(debugFP, "%s\n", programVersion);
1307 set_cont_sequence(appData.wrapContSeq);
1308 if (appData.matchGames > 0) {
1309 appData.matchMode = TRUE;
1310 } else if (appData.matchMode) {
1311 appData.matchGames = 1;
1313 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1314 appData.matchGames = appData.sameColorGames;
1315 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1316 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1317 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1320 if (appData.noChessProgram || first.protocolVersion == 1) {
1323 /* kludge: allow timeout for initial "feature" commands */
1325 DisplayMessage("", _("Starting chess program"));
1326 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1331 CalculateIndex(int index, int gameNr)
1332 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1334 if(index > 0) return index; // fixed nmber
1335 if(index == 0) return 1;
1336 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1337 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1342 LoadGameOrPosition(int gameNr)
1343 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1344 if (*appData.loadGameFile != NULLCHAR) {
1345 if (!LoadGameFromFile(appData.loadGameFile,
1346 CalculateIndex(appData.loadGameIndex, gameNr),
1347 appData.loadGameFile, FALSE)) {
1348 DisplayFatalError(_("Bad game file"), 0, 1);
1351 } else if (*appData.loadPositionFile != NULLCHAR) {
1352 if (!LoadPositionFromFile(appData.loadPositionFile,
1353 CalculateIndex(appData.loadPositionIndex, gameNr),
1354 appData.loadPositionFile)) {
1355 DisplayFatalError(_("Bad position file"), 0, 1);
1363 ReserveGame(int gameNr, char resChar)
1365 FILE *tf = fopen(appData.tourneyFile, "r+");
1366 char *p, *q, c, buf[MSG_SIZ];
1367 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1368 safeStrCpy(buf, lastMsg, MSG_SIZ);
1369 DisplayMessage(_("Pick new game"), "");
1370 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1371 ParseArgsFromFile(tf);
1372 p = q = appData.results;
1373 if(appData.debugMode) {
1374 char *r = appData.participants;
1375 fprintf(debugFP, "results = '%s'\n", p);
1376 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1377 fprintf(debugFP, "\n");
1379 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1381 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1382 safeStrCpy(q, p, strlen(p) + 2);
1383 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1384 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1385 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1386 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1389 fseek(tf, -(strlen(p)+4), SEEK_END);
1391 if(c != '"') // depending on DOS or Unix line endings we can be one off
1392 fseek(tf, -(strlen(p)+2), SEEK_END);
1393 else fseek(tf, -(strlen(p)+3), SEEK_END);
1394 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1395 DisplayMessage(buf, "");
1396 free(p); appData.results = q;
1397 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1398 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1399 UnloadEngine(&first); // next game belongs to other pairing;
1400 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1405 MatchEvent(int mode)
1406 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1408 if(matchMode) { // already in match mode: switch it off
1410 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1413 // if(gameMode != BeginningOfGame) {
1414 // DisplayError(_("You can only start a match from the initial position."), 0);
1418 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1419 /* Set up machine vs. machine match */
1421 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1422 if(appData.tourneyFile[0]) {
1424 if(nextGame > appData.matchGames) {
1426 if(strchr(appData.results, '*') == NULL) {
1428 appData.tourneyCycles++;
1429 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1431 NextTourneyGame(-1, &dummy);
1433 if(nextGame <= appData.matchGames) {
1434 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1436 ScheduleDelayedEvent(NextMatchGame, 10000);
1441 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1442 DisplayError(buf, 0);
1443 appData.tourneyFile[0] = 0;
1447 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1448 DisplayFatalError(_("Can't have a match with no chess programs"),
1453 matchGame = roundNr = 1;
1454 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1459 InitBackEnd3 P((void))
1461 GameMode initialMode;
1465 InitChessProgram(&first, startedFromSetupPosition);
1467 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1468 free(programVersion);
1469 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1470 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1473 if (appData.icsActive) {
1475 /* [DM] Make a console window if needed [HGM] merged ifs */
1481 if (*appData.icsCommPort != NULLCHAR)
1482 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1483 appData.icsCommPort);
1485 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1486 appData.icsHost, appData.icsPort);
1488 if( (len >= MSG_SIZ) && appData.debugMode )
1489 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1491 DisplayFatalError(buf, err, 1);
1496 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1498 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1499 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1500 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1501 } else if (appData.noChessProgram) {
1507 if (*appData.cmailGameName != NULLCHAR) {
1509 OpenLoopback(&cmailPR);
1511 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1515 DisplayMessage("", "");
1516 if (StrCaseCmp(appData.initialMode, "") == 0) {
1517 initialMode = BeginningOfGame;
1518 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1519 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1520 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1521 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1524 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1525 initialMode = TwoMachinesPlay;
1526 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1527 initialMode = AnalyzeFile;
1528 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1529 initialMode = AnalyzeMode;
1530 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1531 initialMode = MachinePlaysWhite;
1532 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1533 initialMode = MachinePlaysBlack;
1534 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1535 initialMode = EditGame;
1536 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1537 initialMode = EditPosition;
1538 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1539 initialMode = Training;
1541 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1542 if( (len >= MSG_SIZ) && appData.debugMode )
1543 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1545 DisplayFatalError(buf, 0, 2);
1549 if (appData.matchMode) {
1550 if(appData.tourneyFile[0]) { // start tourney from command line
1552 if(f = fopen(appData.tourneyFile, "r")) {
1553 ParseArgsFromFile(f); // make sure tourney parmeters re known
1555 appData.clockMode = TRUE;
1557 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1560 } else if (*appData.cmailGameName != NULLCHAR) {
1561 /* Set up cmail mode */
1562 ReloadCmailMsgEvent(TRUE);
1564 /* Set up other modes */
1565 if (initialMode == AnalyzeFile) {
1566 if (*appData.loadGameFile == NULLCHAR) {
1567 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1571 if (*appData.loadGameFile != NULLCHAR) {
1572 (void) LoadGameFromFile(appData.loadGameFile,
1573 appData.loadGameIndex,
1574 appData.loadGameFile, TRUE);
1575 } else if (*appData.loadPositionFile != NULLCHAR) {
1576 (void) LoadPositionFromFile(appData.loadPositionFile,
1577 appData.loadPositionIndex,
1578 appData.loadPositionFile);
1579 /* [HGM] try to make self-starting even after FEN load */
1580 /* to allow automatic setup of fairy variants with wtm */
1581 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1582 gameMode = BeginningOfGame;
1583 setboardSpoiledMachineBlack = 1;
1585 /* [HGM] loadPos: make that every new game uses the setup */
1586 /* from file as long as we do not switch variant */
1587 if(!blackPlaysFirst) {
1588 startedFromPositionFile = TRUE;
1589 CopyBoard(filePosition, boards[0]);
1592 if (initialMode == AnalyzeMode) {
1593 if (appData.noChessProgram) {
1594 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1597 if (appData.icsActive) {
1598 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1602 } else if (initialMode == AnalyzeFile) {
1603 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1604 ShowThinkingEvent();
1606 AnalysisPeriodicEvent(1);
1607 } else if (initialMode == MachinePlaysWhite) {
1608 if (appData.noChessProgram) {
1609 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1613 if (appData.icsActive) {
1614 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1618 MachineWhiteEvent();
1619 } else if (initialMode == MachinePlaysBlack) {
1620 if (appData.noChessProgram) {
1621 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1625 if (appData.icsActive) {
1626 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1630 MachineBlackEvent();
1631 } else if (initialMode == TwoMachinesPlay) {
1632 if (appData.noChessProgram) {
1633 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1637 if (appData.icsActive) {
1638 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1643 } else if (initialMode == EditGame) {
1645 } else if (initialMode == EditPosition) {
1646 EditPositionEvent();
1647 } else if (initialMode == Training) {
1648 if (*appData.loadGameFile == NULLCHAR) {
1649 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1658 HistorySet( char movelist[][2*MOVE_LEN], int first, int last, int current )
1660 DisplayBook(current+1);
1662 MoveHistorySet( movelist, first, last, current, pvInfoList );
1664 EvalGraphSet( first, last, current, pvInfoList );
1666 MakeEngineOutputTitle();
1670 * Establish will establish a contact to a remote host.port.
1671 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1672 * used to talk to the host.
1673 * Returns 0 if okay, error code if not.
1680 if (*appData.icsCommPort != NULLCHAR) {
1681 /* Talk to the host through a serial comm port */
1682 return OpenCommPort(appData.icsCommPort, &icsPR);
1684 } else if (*appData.gateway != NULLCHAR) {
1685 if (*appData.remoteShell == NULLCHAR) {
1686 /* Use the rcmd protocol to run telnet program on a gateway host */
1687 snprintf(buf, sizeof(buf), "%s %s %s",
1688 appData.telnetProgram, appData.icsHost, appData.icsPort);
1689 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1692 /* Use the rsh program to run telnet program on a gateway host */
1693 if (*appData.remoteUser == NULLCHAR) {
1694 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1695 appData.gateway, appData.telnetProgram,
1696 appData.icsHost, appData.icsPort);
1698 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1699 appData.remoteShell, appData.gateway,
1700 appData.remoteUser, appData.telnetProgram,
1701 appData.icsHost, appData.icsPort);
1703 return StartChildProcess(buf, "", &icsPR);
1706 } else if (appData.useTelnet) {
1707 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1710 /* TCP socket interface differs somewhat between
1711 Unix and NT; handle details in the front end.
1713 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1717 void EscapeExpand(char *p, char *q)
1718 { // [HGM] initstring: routine to shape up string arguments
1719 while(*p++ = *q++) if(p[-1] == '\\')
1721 case 'n': p[-1] = '\n'; break;
1722 case 'r': p[-1] = '\r'; break;
1723 case 't': p[-1] = '\t'; break;
1724 case '\\': p[-1] = '\\'; break;
1725 case 0: *p = 0; return;
1726 default: p[-1] = q[-1]; break;
1731 show_bytes(fp, buf, count)
1737 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1738 fprintf(fp, "\\%03o", *buf & 0xff);
1747 /* Returns an errno value */
1749 OutputMaybeTelnet(pr, message, count, outError)
1755 char buf[8192], *p, *q, *buflim;
1756 int left, newcount, outcount;
1758 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1759 *appData.gateway != NULLCHAR) {
1760 if (appData.debugMode) {
1761 fprintf(debugFP, ">ICS: ");
1762 show_bytes(debugFP, message, count);
1763 fprintf(debugFP, "\n");
1765 return OutputToProcess(pr, message, count, outError);
1768 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1775 if (appData.debugMode) {
1776 fprintf(debugFP, ">ICS: ");
1777 show_bytes(debugFP, buf, newcount);
1778 fprintf(debugFP, "\n");
1780 outcount = OutputToProcess(pr, buf, newcount, outError);
1781 if (outcount < newcount) return -1; /* to be sure */
1788 } else if (((unsigned char) *p) == TN_IAC) {
1789 *q++ = (char) TN_IAC;
1796 if (appData.debugMode) {
1797 fprintf(debugFP, ">ICS: ");
1798 show_bytes(debugFP, buf, newcount);
1799 fprintf(debugFP, "\n");
1801 outcount = OutputToProcess(pr, buf, newcount, outError);
1802 if (outcount < newcount) return -1; /* to be sure */
1807 read_from_player(isr, closure, message, count, error)
1814 int outError, outCount;
1815 static int gotEof = 0;
1817 /* Pass data read from player on to ICS */
1820 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1821 if (outCount < count) {
1822 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1824 } else if (count < 0) {
1825 RemoveInputSource(isr);
1826 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1827 } else if (gotEof++ > 0) {
1828 RemoveInputSource(isr);
1829 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1835 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1836 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1837 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1838 SendToICS("date\n");
1839 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1842 /* added routine for printf style output to ics */
1843 void ics_printf(char *format, ...)
1845 char buffer[MSG_SIZ];
1848 va_start(args, format);
1849 vsnprintf(buffer, sizeof(buffer), format, args);
1850 buffer[sizeof(buffer)-1] = '\0';
1859 int count, outCount, outError;
1861 if (icsPR == NoProc) return;
1864 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1865 if (outCount < count) {
1866 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1870 /* This is used for sending logon scripts to the ICS. Sending
1871 without a delay causes problems when using timestamp on ICC
1872 (at least on my machine). */
1874 SendToICSDelayed(s,msdelay)
1878 int count, outCount, outError;
1880 if (icsPR == NoProc) return;
1883 if (appData.debugMode) {
1884 fprintf(debugFP, ">ICS: ");
1885 show_bytes(debugFP, s, count);
1886 fprintf(debugFP, "\n");
1888 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1890 if (outCount < count) {
1891 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1896 /* Remove all highlighting escape sequences in s
1897 Also deletes any suffix starting with '('
1900 StripHighlightAndTitle(s)
1903 static char retbuf[MSG_SIZ];
1906 while (*s != NULLCHAR) {
1907 while (*s == '\033') {
1908 while (*s != NULLCHAR && !isalpha(*s)) s++;
1909 if (*s != NULLCHAR) s++;
1911 while (*s != NULLCHAR && *s != '\033') {
1912 if (*s == '(' || *s == '[') {
1923 /* Remove all highlighting escape sequences in s */
1928 static char retbuf[MSG_SIZ];
1931 while (*s != NULLCHAR) {
1932 while (*s == '\033') {
1933 while (*s != NULLCHAR && !isalpha(*s)) s++;
1934 if (*s != NULLCHAR) s++;
1936 while (*s != NULLCHAR && *s != '\033') {
1944 char *variantNames[] = VARIANT_NAMES;
1949 return variantNames[v];
1953 /* Identify a variant from the strings the chess servers use or the
1954 PGN Variant tag names we use. */
1961 VariantClass v = VariantNormal;
1962 int i, found = FALSE;
1968 /* [HGM] skip over optional board-size prefixes */
1969 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1970 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1971 while( *e++ != '_');
1974 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1978 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1979 if (StrCaseStr(e, variantNames[i])) {
1980 v = (VariantClass) i;
1987 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1988 || StrCaseStr(e, "wild/fr")
1989 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1990 v = VariantFischeRandom;
1991 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1992 (i = 1, p = StrCaseStr(e, "w"))) {
1994 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2001 case 0: /* FICS only, actually */
2003 /* Castling legal even if K starts on d-file */
2004 v = VariantWildCastle;
2009 /* Castling illegal even if K & R happen to start in
2010 normal positions. */
2011 v = VariantNoCastle;
2024 /* Castling legal iff K & R start in normal positions */
2030 /* Special wilds for position setup; unclear what to do here */
2031 v = VariantLoadable;
2034 /* Bizarre ICC game */
2035 v = VariantTwoKings;
2038 v = VariantKriegspiel;
2044 v = VariantFischeRandom;
2047 v = VariantCrazyhouse;
2050 v = VariantBughouse;
2056 /* Not quite the same as FICS suicide! */
2057 v = VariantGiveaway;
2063 v = VariantShatranj;
2066 /* Temporary names for future ICC types. The name *will* change in
2067 the next xboard/WinBoard release after ICC defines it. */
2105 v = VariantCapablanca;
2108 v = VariantKnightmate;
2114 v = VariantCylinder;
2120 v = VariantCapaRandom;
2123 v = VariantBerolina;
2135 /* Found "wild" or "w" in the string but no number;
2136 must assume it's normal chess. */
2140 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2141 if( (len >= MSG_SIZ) && appData.debugMode )
2142 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2144 DisplayError(buf, 0);
2150 if (appData.debugMode) {
2151 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2152 e, wnum, VariantName(v));
2157 static int leftover_start = 0, leftover_len = 0;
2158 char star_match[STAR_MATCH_N][MSG_SIZ];
2160 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2161 advance *index beyond it, and set leftover_start to the new value of
2162 *index; else return FALSE. If pattern contains the character '*', it
2163 matches any sequence of characters not containing '\r', '\n', or the
2164 character following the '*' (if any), and the matched sequence(s) are
2165 copied into star_match.
2168 looking_at(buf, index, pattern)
2173 char *bufp = &buf[*index], *patternp = pattern;
2175 char *matchp = star_match[0];
2178 if (*patternp == NULLCHAR) {
2179 *index = leftover_start = bufp - buf;
2183 if (*bufp == NULLCHAR) return FALSE;
2184 if (*patternp == '*') {
2185 if (*bufp == *(patternp + 1)) {
2187 matchp = star_match[++star_count];
2191 } else if (*bufp == '\n' || *bufp == '\r') {
2193 if (*patternp == NULLCHAR)
2198 *matchp++ = *bufp++;
2202 if (*patternp != *bufp) return FALSE;
2209 SendToPlayer(data, length)
2213 int error, outCount;
2214 outCount = OutputToProcess(NoProc, data, length, &error);
2215 if (outCount < length) {
2216 DisplayFatalError(_("Error writing to display"), error, 1);
2221 PackHolding(packed, holding)
2233 switch (runlength) {
2244 sprintf(q, "%d", runlength);
2256 /* Telnet protocol requests from the front end */
2258 TelnetRequest(ddww, option)
2259 unsigned char ddww, option;
2261 unsigned char msg[3];
2262 int outCount, outError;
2264 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2266 if (appData.debugMode) {
2267 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2283 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2292 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2295 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2300 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2302 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2309 if (!appData.icsActive) return;
2310 TelnetRequest(TN_DO, TN_ECHO);
2316 if (!appData.icsActive) return;
2317 TelnetRequest(TN_DONT, TN_ECHO);
2321 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2323 /* put the holdings sent to us by the server on the board holdings area */
2324 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2328 if(gameInfo.holdingsWidth < 2) return;
2329 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2330 return; // prevent overwriting by pre-board holdings
2332 if( (int)lowestPiece >= BlackPawn ) {
2335 holdingsStartRow = BOARD_HEIGHT-1;
2338 holdingsColumn = BOARD_WIDTH-1;
2339 countsColumn = BOARD_WIDTH-2;
2340 holdingsStartRow = 0;
2344 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2345 board[i][holdingsColumn] = EmptySquare;
2346 board[i][countsColumn] = (ChessSquare) 0;
2348 while( (p=*holdings++) != NULLCHAR ) {
2349 piece = CharToPiece( ToUpper(p) );
2350 if(piece == EmptySquare) continue;
2351 /*j = (int) piece - (int) WhitePawn;*/
2352 j = PieceToNumber(piece);
2353 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2354 if(j < 0) continue; /* should not happen */
2355 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2356 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2357 board[holdingsStartRow+j*direction][countsColumn]++;
2363 VariantSwitch(Board board, VariantClass newVariant)
2365 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2366 static Board oldBoard;
2368 startedFromPositionFile = FALSE;
2369 if(gameInfo.variant == newVariant) return;
2371 /* [HGM] This routine is called each time an assignment is made to
2372 * gameInfo.variant during a game, to make sure the board sizes
2373 * are set to match the new variant. If that means adding or deleting
2374 * holdings, we shift the playing board accordingly
2375 * This kludge is needed because in ICS observe mode, we get boards
2376 * of an ongoing game without knowing the variant, and learn about the
2377 * latter only later. This can be because of the move list we requested,
2378 * in which case the game history is refilled from the beginning anyway,
2379 * but also when receiving holdings of a crazyhouse game. In the latter
2380 * case we want to add those holdings to the already received position.
2384 if (appData.debugMode) {
2385 fprintf(debugFP, "Switch board from %s to %s\n",
2386 VariantName(gameInfo.variant), VariantName(newVariant));
2387 setbuf(debugFP, NULL);
2389 shuffleOpenings = 0; /* [HGM] shuffle */
2390 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2394 newWidth = 9; newHeight = 9;
2395 gameInfo.holdingsSize = 7;
2396 case VariantBughouse:
2397 case VariantCrazyhouse:
2398 newHoldingsWidth = 2; break;
2402 newHoldingsWidth = 2;
2403 gameInfo.holdingsSize = 8;
2406 case VariantCapablanca:
2407 case VariantCapaRandom:
2410 newHoldingsWidth = gameInfo.holdingsSize = 0;
2413 if(newWidth != gameInfo.boardWidth ||
2414 newHeight != gameInfo.boardHeight ||
2415 newHoldingsWidth != gameInfo.holdingsWidth ) {
2417 /* shift position to new playing area, if needed */
2418 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2419 for(i=0; i<BOARD_HEIGHT; i++)
2420 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2421 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2423 for(i=0; i<newHeight; i++) {
2424 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2425 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2427 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2428 for(i=0; i<BOARD_HEIGHT; i++)
2429 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2430 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2433 gameInfo.boardWidth = newWidth;
2434 gameInfo.boardHeight = newHeight;
2435 gameInfo.holdingsWidth = newHoldingsWidth;
2436 gameInfo.variant = newVariant;
2437 InitDrawingSizes(-2, 0);
2438 } else gameInfo.variant = newVariant;
2439 CopyBoard(oldBoard, board); // remember correctly formatted board
2440 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2441 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2444 static int loggedOn = FALSE;
2446 /*-- Game start info cache: --*/
2448 char gs_kind[MSG_SIZ];
2449 static char player1Name[128] = "";
2450 static char player2Name[128] = "";
2451 static char cont_seq[] = "\n\\ ";
2452 static int player1Rating = -1;
2453 static int player2Rating = -1;
2454 /*----------------------------*/
2456 ColorClass curColor = ColorNormal;
2457 int suppressKibitz = 0;
2460 Boolean soughtPending = FALSE;
2461 Boolean seekGraphUp;
2462 #define MAX_SEEK_ADS 200
2464 char *seekAdList[MAX_SEEK_ADS];
2465 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2466 float tcList[MAX_SEEK_ADS];
2467 char colorList[MAX_SEEK_ADS];
2468 int nrOfSeekAds = 0;
2469 int minRating = 1010, maxRating = 2800;
2470 int hMargin = 10, vMargin = 20, h, w;
2471 extern int squareSize, lineGap;
2476 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2477 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2478 if(r < minRating+100 && r >=0 ) r = minRating+100;
2479 if(r > maxRating) r = maxRating;
2480 if(tc < 1.) tc = 1.;
2481 if(tc > 95.) tc = 95.;
2482 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2483 y = ((double)r - minRating)/(maxRating - minRating)
2484 * (h-vMargin-squareSize/8-1) + vMargin;
2485 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2486 if(strstr(seekAdList[i], " u ")) color = 1;
2487 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2488 !strstr(seekAdList[i], "bullet") &&
2489 !strstr(seekAdList[i], "blitz") &&
2490 !strstr(seekAdList[i], "standard") ) color = 2;
2491 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2492 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2496 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2498 char buf[MSG_SIZ], *ext = "";
2499 VariantClass v = StringToVariant(type);
2500 if(strstr(type, "wild")) {
2501 ext = type + 4; // append wild number
2502 if(v == VariantFischeRandom) type = "chess960"; else
2503 if(v == VariantLoadable) type = "setup"; else
2504 type = VariantName(v);
2506 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2507 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2508 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2509 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2510 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2511 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2512 seekNrList[nrOfSeekAds] = nr;
2513 zList[nrOfSeekAds] = 0;
2514 seekAdList[nrOfSeekAds++] = StrSave(buf);
2515 if(plot) PlotSeekAd(nrOfSeekAds-1);
2522 int x = xList[i], y = yList[i], d=squareSize/4, k;
2523 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2524 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2525 // now replot every dot that overlapped
2526 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2527 int xx = xList[k], yy = yList[k];
2528 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2529 DrawSeekDot(xx, yy, colorList[k]);
2534 RemoveSeekAd(int nr)
2537 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2539 if(seekAdList[i]) free(seekAdList[i]);
2540 seekAdList[i] = seekAdList[--nrOfSeekAds];
2541 seekNrList[i] = seekNrList[nrOfSeekAds];
2542 ratingList[i] = ratingList[nrOfSeekAds];
2543 colorList[i] = colorList[nrOfSeekAds];
2544 tcList[i] = tcList[nrOfSeekAds];
2545 xList[i] = xList[nrOfSeekAds];
2546 yList[i] = yList[nrOfSeekAds];
2547 zList[i] = zList[nrOfSeekAds];
2548 seekAdList[nrOfSeekAds] = NULL;
2554 MatchSoughtLine(char *line)
2556 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2557 int nr, base, inc, u=0; char dummy;
2559 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2560 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2562 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2563 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2564 // match: compact and save the line
2565 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2575 if(!seekGraphUp) return FALSE;
2576 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2577 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2579 DrawSeekBackground(0, 0, w, h);
2580 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2581 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2582 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2583 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2585 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2588 snprintf(buf, MSG_SIZ, "%d", i);
2589 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2592 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2593 for(i=1; i<100; i+=(i<10?1:5)) {
2594 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2595 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2596 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2598 snprintf(buf, MSG_SIZ, "%d", i);
2599 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2602 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2606 int SeekGraphClick(ClickType click, int x, int y, int moving)
2608 static int lastDown = 0, displayed = 0, lastSecond;
2609 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2610 if(click == Release || moving) return FALSE;
2612 soughtPending = TRUE;
2613 SendToICS(ics_prefix);
2614 SendToICS("sought\n"); // should this be "sought all"?
2615 } else { // issue challenge based on clicked ad
2616 int dist = 10000; int i, closest = 0, second = 0;
2617 for(i=0; i<nrOfSeekAds; i++) {
2618 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2619 if(d < dist) { dist = d; closest = i; }
2620 second += (d - zList[i] < 120); // count in-range ads
2621 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2625 second = (second > 1);
2626 if(displayed != closest || second != lastSecond) {
2627 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2628 lastSecond = second; displayed = closest;
2630 if(click == Press) {
2631 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2634 } // on press 'hit', only show info
2635 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2636 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2637 SendToICS(ics_prefix);
2639 return TRUE; // let incoming board of started game pop down the graph
2640 } else if(click == Release) { // release 'miss' is ignored
2641 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2642 if(moving == 2) { // right up-click
2643 nrOfSeekAds = 0; // refresh graph
2644 soughtPending = TRUE;
2645 SendToICS(ics_prefix);
2646 SendToICS("sought\n"); // should this be "sought all"?
2649 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2650 // press miss or release hit 'pop down' seek graph
2651 seekGraphUp = FALSE;
2652 DrawPosition(TRUE, NULL);
2658 read_from_ics(isr, closure, data, count, error)
2665 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2666 #define STARTED_NONE 0
2667 #define STARTED_MOVES 1
2668 #define STARTED_BOARD 2
2669 #define STARTED_OBSERVE 3
2670 #define STARTED_HOLDINGS 4
2671 #define STARTED_CHATTER 5
2672 #define STARTED_COMMENT 6
2673 #define STARTED_MOVES_NOHIDE 7
2675 static int started = STARTED_NONE;
2676 static char parse[20000];
2677 static int parse_pos = 0;
2678 static char buf[BUF_SIZE + 1];
2679 static int firstTime = TRUE, intfSet = FALSE;
2680 static ColorClass prevColor = ColorNormal;
2681 static int savingComment = FALSE;
2682 static int cmatch = 0; // continuation sequence match
2689 int backup; /* [DM] For zippy color lines */
2691 char talker[MSG_SIZ]; // [HGM] chat
2694 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2696 if (appData.debugMode) {
2698 fprintf(debugFP, "<ICS: ");
2699 show_bytes(debugFP, data, count);
2700 fprintf(debugFP, "\n");
2704 if (appData.debugMode) { int f = forwardMostMove;
2705 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2706 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2707 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2710 /* If last read ended with a partial line that we couldn't parse,
2711 prepend it to the new read and try again. */
2712 if (leftover_len > 0) {
2713 for (i=0; i<leftover_len; i++)
2714 buf[i] = buf[leftover_start + i];
2717 /* copy new characters into the buffer */
2718 bp = buf + leftover_len;
2719 buf_len=leftover_len;
2720 for (i=0; i<count; i++)
2723 if (data[i] == '\r')
2726 // join lines split by ICS?
2727 if (!appData.noJoin)
2730 Joining just consists of finding matches against the
2731 continuation sequence, and discarding that sequence
2732 if found instead of copying it. So, until a match
2733 fails, there's nothing to do since it might be the
2734 complete sequence, and thus, something we don't want
2737 if (data[i] == cont_seq[cmatch])
2740 if (cmatch == strlen(cont_seq))
2742 cmatch = 0; // complete match. just reset the counter
2745 it's possible for the ICS to not include the space
2746 at the end of the last word, making our [correct]
2747 join operation fuse two separate words. the server
2748 does this when the space occurs at the width setting.
2750 if (!buf_len || buf[buf_len-1] != ' ')
2761 match failed, so we have to copy what matched before
2762 falling through and copying this character. In reality,
2763 this will only ever be just the newline character, but
2764 it doesn't hurt to be precise.
2766 strncpy(bp, cont_seq, cmatch);
2778 buf[buf_len] = NULLCHAR;
2779 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2784 while (i < buf_len) {
2785 /* Deal with part of the TELNET option negotiation
2786 protocol. We refuse to do anything beyond the
2787 defaults, except that we allow the WILL ECHO option,
2788 which ICS uses to turn off password echoing when we are
2789 directly connected to it. We reject this option
2790 if localLineEditing mode is on (always on in xboard)
2791 and we are talking to port 23, which might be a real
2792 telnet server that will try to keep WILL ECHO on permanently.
2794 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2795 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2796 unsigned char option;
2798 switch ((unsigned char) buf[++i]) {
2800 if (appData.debugMode)
2801 fprintf(debugFP, "\n<WILL ");
2802 switch (option = (unsigned char) buf[++i]) {
2804 if (appData.debugMode)
2805 fprintf(debugFP, "ECHO ");
2806 /* Reply only if this is a change, according
2807 to the protocol rules. */
2808 if (remoteEchoOption) break;
2809 if (appData.localLineEditing &&
2810 atoi(appData.icsPort) == TN_PORT) {
2811 TelnetRequest(TN_DONT, TN_ECHO);
2814 TelnetRequest(TN_DO, TN_ECHO);
2815 remoteEchoOption = TRUE;
2819 if (appData.debugMode)
2820 fprintf(debugFP, "%d ", option);
2821 /* Whatever this is, we don't want it. */
2822 TelnetRequest(TN_DONT, option);
2827 if (appData.debugMode)
2828 fprintf(debugFP, "\n<WONT ");
2829 switch (option = (unsigned char) buf[++i]) {
2831 if (appData.debugMode)
2832 fprintf(debugFP, "ECHO ");
2833 /* Reply only if this is a change, according
2834 to the protocol rules. */
2835 if (!remoteEchoOption) break;
2837 TelnetRequest(TN_DONT, TN_ECHO);
2838 remoteEchoOption = FALSE;
2841 if (appData.debugMode)
2842 fprintf(debugFP, "%d ", (unsigned char) option);
2843 /* Whatever this is, it must already be turned
2844 off, because we never agree to turn on
2845 anything non-default, so according to the
2846 protocol rules, we don't reply. */
2851 if (appData.debugMode)
2852 fprintf(debugFP, "\n<DO ");
2853 switch (option = (unsigned char) buf[++i]) {
2855 /* Whatever this is, we refuse to do it. */
2856 if (appData.debugMode)
2857 fprintf(debugFP, "%d ", option);
2858 TelnetRequest(TN_WONT, option);
2863 if (appData.debugMode)
2864 fprintf(debugFP, "\n<DONT ");
2865 switch (option = (unsigned char) buf[++i]) {
2867 if (appData.debugMode)
2868 fprintf(debugFP, "%d ", option);
2869 /* Whatever this is, we are already not doing
2870 it, because we never agree to do anything
2871 non-default, so according to the protocol
2872 rules, we don't reply. */
2877 if (appData.debugMode)
2878 fprintf(debugFP, "\n<IAC ");
2879 /* Doubled IAC; pass it through */
2883 if (appData.debugMode)
2884 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2885 /* Drop all other telnet commands on the floor */
2888 if (oldi > next_out)
2889 SendToPlayer(&buf[next_out], oldi - next_out);
2895 /* OK, this at least will *usually* work */
2896 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2900 if (loggedOn && !intfSet) {
2901 if (ics_type == ICS_ICC) {
2902 snprintf(str, MSG_SIZ,
2903 "/set-quietly interface %s\n/set-quietly style 12\n",
2905 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2906 strcat(str, "/set-2 51 1\n/set seek 1\n");
2907 } else if (ics_type == ICS_CHESSNET) {
2908 snprintf(str, MSG_SIZ, "/style 12\n");
2910 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2911 strcat(str, programVersion);
2912 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2913 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2914 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2916 strcat(str, "$iset nohighlight 1\n");
2918 strcat(str, "$iset lock 1\n$style 12\n");
2921 NotifyFrontendLogin();
2925 if (started == STARTED_COMMENT) {
2926 /* Accumulate characters in comment */
2927 parse[parse_pos++] = buf[i];
2928 if (buf[i] == '\n') {
2929 parse[parse_pos] = NULLCHAR;
2930 if(chattingPartner>=0) {
2932 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2933 OutputChatMessage(chattingPartner, mess);
2934 chattingPartner = -1;
2935 next_out = i+1; // [HGM] suppress printing in ICS window
2937 if(!suppressKibitz) // [HGM] kibitz
2938 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2939 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2940 int nrDigit = 0, nrAlph = 0, j;
2941 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2942 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2943 parse[parse_pos] = NULLCHAR;
2944 // try to be smart: if it does not look like search info, it should go to
2945 // ICS interaction window after all, not to engine-output window.
2946 for(j=0; j<parse_pos; j++) { // count letters and digits
2947 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2948 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2949 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2951 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2952 int depth=0; float score;
2953 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2954 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2955 pvInfoList[forwardMostMove-1].depth = depth;
2956 pvInfoList[forwardMostMove-1].score = 100*score;
2958 OutputKibitz(suppressKibitz, parse);
2961 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2962 SendToPlayer(tmp, strlen(tmp));
2964 next_out = i+1; // [HGM] suppress printing in ICS window
2966 started = STARTED_NONE;
2968 /* Don't match patterns against characters in comment */
2973 if (started == STARTED_CHATTER) {
2974 if (buf[i] != '\n') {
2975 /* Don't match patterns against characters in chatter */
2979 started = STARTED_NONE;
2980 if(suppressKibitz) next_out = i+1;
2983 /* Kludge to deal with rcmd protocol */
2984 if (firstTime && looking_at(buf, &i, "\001*")) {
2985 DisplayFatalError(&buf[1], 0, 1);
2991 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2994 if (appData.debugMode)
2995 fprintf(debugFP, "ics_type %d\n", ics_type);
2998 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2999 ics_type = ICS_FICS;
3001 if (appData.debugMode)
3002 fprintf(debugFP, "ics_type %d\n", ics_type);
3005 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3006 ics_type = ICS_CHESSNET;
3008 if (appData.debugMode)
3009 fprintf(debugFP, "ics_type %d\n", ics_type);
3014 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3015 looking_at(buf, &i, "Logging you in as \"*\"") ||
3016 looking_at(buf, &i, "will be \"*\""))) {
3017 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3021 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3023 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3024 DisplayIcsInteractionTitle(buf);
3025 have_set_title = TRUE;
3028 /* skip finger notes */
3029 if (started == STARTED_NONE &&
3030 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3031 (buf[i] == '1' && buf[i+1] == '0')) &&
3032 buf[i+2] == ':' && buf[i+3] == ' ') {
3033 started = STARTED_CHATTER;
3039 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3040 if(appData.seekGraph) {
3041 if(soughtPending && MatchSoughtLine(buf+i)) {
3042 i = strstr(buf+i, "rated") - buf;
3043 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3044 next_out = leftover_start = i;
3045 started = STARTED_CHATTER;
3046 suppressKibitz = TRUE;
3049 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3050 && looking_at(buf, &i, "* ads displayed")) {
3051 soughtPending = FALSE;
3056 if(appData.autoRefresh) {
3057 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3058 int s = (ics_type == ICS_ICC); // ICC format differs
3060 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3061 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3062 looking_at(buf, &i, "*% "); // eat prompt
3063 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3064 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3065 next_out = i; // suppress
3068 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3069 char *p = star_match[0];
3071 if(seekGraphUp) RemoveSeekAd(atoi(p));
3072 while(*p && *p++ != ' '); // next
3074 looking_at(buf, &i, "*% "); // eat prompt
3075 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3082 /* skip formula vars */
3083 if (started == STARTED_NONE &&
3084 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3085 started = STARTED_CHATTER;
3090 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3091 if (appData.autoKibitz && started == STARTED_NONE &&
3092 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3093 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3094 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3095 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3096 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3097 suppressKibitz = TRUE;
3098 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3100 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3101 && (gameMode == IcsPlayingWhite)) ||
3102 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3103 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3104 started = STARTED_CHATTER; // own kibitz we simply discard
3106 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3107 parse_pos = 0; parse[0] = NULLCHAR;
3108 savingComment = TRUE;
3109 suppressKibitz = gameMode != IcsObserving ? 2 :
3110 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3114 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3115 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3116 && atoi(star_match[0])) {
3117 // suppress the acknowledgements of our own autoKibitz
3119 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3120 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3121 SendToPlayer(star_match[0], strlen(star_match[0]));
3122 if(looking_at(buf, &i, "*% ")) // eat prompt
3123 suppressKibitz = FALSE;
3127 } // [HGM] kibitz: end of patch
3129 // [HGM] chat: intercept tells by users for which we have an open chat window
3131 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3132 looking_at(buf, &i, "* whispers:") ||
3133 looking_at(buf, &i, "* kibitzes:") ||
3134 looking_at(buf, &i, "* shouts:") ||
3135 looking_at(buf, &i, "* c-shouts:") ||
3136 looking_at(buf, &i, "--> * ") ||
3137 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3138 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3139 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3140 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3142 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3143 chattingPartner = -1;
3145 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3146 for(p=0; p<MAX_CHAT; p++) {
3147 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3148 talker[0] = '['; strcat(talker, "] ");
3149 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3150 chattingPartner = p; break;
3153 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3154 for(p=0; p<MAX_CHAT; p++) {
3155 if(!strcmp("kibitzes", chatPartner[p])) {
3156 talker[0] = '['; strcat(talker, "] ");
3157 chattingPartner = p; break;
3160 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3161 for(p=0; p<MAX_CHAT; p++) {
3162 if(!strcmp("whispers", chatPartner[p])) {
3163 talker[0] = '['; strcat(talker, "] ");
3164 chattingPartner = p; break;
3167 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3168 if(buf[i-8] == '-' && buf[i-3] == 't')
3169 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3170 if(!strcmp("c-shouts", chatPartner[p])) {
3171 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3172 chattingPartner = p; break;
3175 if(chattingPartner < 0)
3176 for(p=0; p<MAX_CHAT; p++) {
3177 if(!strcmp("shouts", chatPartner[p])) {
3178 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3179 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3180 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3181 chattingPartner = p; break;
3185 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3186 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3187 talker[0] = 0; Colorize(ColorTell, FALSE);
3188 chattingPartner = p; break;
3190 if(chattingPartner<0) i = oldi; else {
3191 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3192 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3193 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3194 started = STARTED_COMMENT;
3195 parse_pos = 0; parse[0] = NULLCHAR;
3196 savingComment = 3 + chattingPartner; // counts as TRUE
3197 suppressKibitz = TRUE;
3200 } // [HGM] chat: end of patch
3203 if (appData.zippyTalk || appData.zippyPlay) {
3204 /* [DM] Backup address for color zippy lines */
3206 if (loggedOn == TRUE)
3207 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3208 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3210 } // [DM] 'else { ' deleted
3212 /* Regular tells and says */
3213 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3214 looking_at(buf, &i, "* (your partner) tells you: ") ||
3215 looking_at(buf, &i, "* says: ") ||
3216 /* Don't color "message" or "messages" output */
3217 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3218 looking_at(buf, &i, "*. * at *:*: ") ||
3219 looking_at(buf, &i, "--* (*:*): ") ||
3220 /* Message notifications (same color as tells) */
3221 looking_at(buf, &i, "* has left a message ") ||
3222 looking_at(buf, &i, "* just sent you a message:\n") ||
3223 /* Whispers and kibitzes */
3224 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3225 looking_at(buf, &i, "* kibitzes: ") ||
3227 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3229 if (tkind == 1 && strchr(star_match[0], ':')) {
3230 /* Avoid "tells you:" spoofs in channels */
3233 if (star_match[0][0] == NULLCHAR ||
3234 strchr(star_match[0], ' ') ||
3235 (tkind == 3 && strchr(star_match[1], ' '))) {
3236 /* Reject bogus matches */
3239 if (appData.colorize) {
3240 if (oldi > next_out) {
3241 SendToPlayer(&buf[next_out], oldi - next_out);
3246 Colorize(ColorTell, FALSE);
3247 curColor = ColorTell;
3250 Colorize(ColorKibitz, FALSE);
3251 curColor = ColorKibitz;
3254 p = strrchr(star_match[1], '(');
3261 Colorize(ColorChannel1, FALSE);
3262 curColor = ColorChannel1;
3264 Colorize(ColorChannel, FALSE);
3265 curColor = ColorChannel;
3269 curColor = ColorNormal;
3273 if (started == STARTED_NONE && appData.autoComment &&
3274 (gameMode == IcsObserving ||
3275 gameMode == IcsPlayingWhite ||
3276 gameMode == IcsPlayingBlack)) {
3277 parse_pos = i - oldi;
3278 memcpy(parse, &buf[oldi], parse_pos);
3279 parse[parse_pos] = NULLCHAR;
3280 started = STARTED_COMMENT;
3281 savingComment = TRUE;
3283 started = STARTED_CHATTER;
3284 savingComment = FALSE;
3291 if (looking_at(buf, &i, "* s-shouts: ") ||
3292 looking_at(buf, &i, "* c-shouts: ")) {
3293 if (appData.colorize) {
3294 if (oldi > next_out) {
3295 SendToPlayer(&buf[next_out], oldi - next_out);
3298 Colorize(ColorSShout, FALSE);
3299 curColor = ColorSShout;
3302 started = STARTED_CHATTER;
3306 if (looking_at(buf, &i, "--->")) {
3311 if (looking_at(buf, &i, "* shouts: ") ||
3312 looking_at(buf, &i, "--> ")) {
3313 if (appData.colorize) {
3314 if (oldi > next_out) {
3315 SendToPlayer(&buf[next_out], oldi - next_out);
3318 Colorize(ColorShout, FALSE);
3319 curColor = ColorShout;
3322 started = STARTED_CHATTER;
3326 if (looking_at( buf, &i, "Challenge:")) {
3327 if (appData.colorize) {
3328 if (oldi > next_out) {
3329 SendToPlayer(&buf[next_out], oldi - next_out);
3332 Colorize(ColorChallenge, FALSE);
3333 curColor = ColorChallenge;
3339 if (looking_at(buf, &i, "* offers you") ||
3340 looking_at(buf, &i, "* offers to be") ||
3341 looking_at(buf, &i, "* would like to") ||
3342 looking_at(buf, &i, "* requests to") ||
3343 looking_at(buf, &i, "Your opponent offers") ||
3344 looking_at(buf, &i, "Your opponent requests")) {
3346 if (appData.colorize) {
3347 if (oldi > next_out) {
3348 SendToPlayer(&buf[next_out], oldi - next_out);
3351 Colorize(ColorRequest, FALSE);
3352 curColor = ColorRequest;
3357 if (looking_at(buf, &i, "* (*) seeking")) {
3358 if (appData.colorize) {
3359 if (oldi > next_out) {
3360 SendToPlayer(&buf[next_out], oldi - next_out);
3363 Colorize(ColorSeek, FALSE);
3364 curColor = ColorSeek;
3369 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3371 if (looking_at(buf, &i, "\\ ")) {
3372 if (prevColor != ColorNormal) {
3373 if (oldi > next_out) {
3374 SendToPlayer(&buf[next_out], oldi - next_out);
3377 Colorize(prevColor, TRUE);
3378 curColor = prevColor;
3380 if (savingComment) {
3381 parse_pos = i - oldi;
3382 memcpy(parse, &buf[oldi], parse_pos);
3383 parse[parse_pos] = NULLCHAR;
3384 started = STARTED_COMMENT;
3385 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3386 chattingPartner = savingComment - 3; // kludge to remember the box
3388 started = STARTED_CHATTER;
3393 if (looking_at(buf, &i, "Black Strength :") ||
3394 looking_at(buf, &i, "<<< style 10 board >>>") ||
3395 looking_at(buf, &i, "<10>") ||
3396 looking_at(buf, &i, "#@#")) {
3397 /* Wrong board style */
3399 SendToICS(ics_prefix);
3400 SendToICS("set style 12\n");
3401 SendToICS(ics_prefix);
3402 SendToICS("refresh\n");
3406 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3408 have_sent_ICS_logon = 1;
3412 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3413 (looking_at(buf, &i, "\n<12> ") ||
3414 looking_at(buf, &i, "<12> "))) {
3416 if (oldi > next_out) {
3417 SendToPlayer(&buf[next_out], oldi - next_out);
3420 started = STARTED_BOARD;
3425 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3426 looking_at(buf, &i, "<b1> ")) {
3427 if (oldi > next_out) {
3428 SendToPlayer(&buf[next_out], oldi - next_out);
3431 started = STARTED_HOLDINGS;
3436 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3438 /* Header for a move list -- first line */
3440 switch (ics_getting_history) {
3444 case BeginningOfGame:
3445 /* User typed "moves" or "oldmoves" while we
3446 were idle. Pretend we asked for these
3447 moves and soak them up so user can step
3448 through them and/or save them.
3451 gameMode = IcsObserving;
3454 ics_getting_history = H_GOT_UNREQ_HEADER;
3456 case EditGame: /*?*/
3457 case EditPosition: /*?*/
3458 /* Should above feature work in these modes too? */
3459 /* For now it doesn't */
3460 ics_getting_history = H_GOT_UNWANTED_HEADER;
3463 ics_getting_history = H_GOT_UNWANTED_HEADER;
3468 /* Is this the right one? */
3469 if (gameInfo.white && gameInfo.black &&
3470 strcmp(gameInfo.white, star_match[0]) == 0 &&
3471 strcmp(gameInfo.black, star_match[2]) == 0) {
3473 ics_getting_history = H_GOT_REQ_HEADER;
3476 case H_GOT_REQ_HEADER:
3477 case H_GOT_UNREQ_HEADER:
3478 case H_GOT_UNWANTED_HEADER:
3479 case H_GETTING_MOVES:
3480 /* Should not happen */
3481 DisplayError(_("Error gathering move list: two headers"), 0);
3482 ics_getting_history = H_FALSE;
3486 /* Save player ratings into gameInfo if needed */
3487 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3488 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3489 (gameInfo.whiteRating == -1 ||
3490 gameInfo.blackRating == -1)) {
3492 gameInfo.whiteRating = string_to_rating(star_match[1]);
3493 gameInfo.blackRating = string_to_rating(star_match[3]);
3494 if (appData.debugMode)
3495 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3496 gameInfo.whiteRating, gameInfo.blackRating);
3501 if (looking_at(buf, &i,
3502 "* * match, initial time: * minute*, increment: * second")) {
3503 /* Header for a move list -- second line */
3504 /* Initial board will follow if this is a wild game */
3505 if (gameInfo.event != NULL) free(gameInfo.event);
3506 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3507 gameInfo.event = StrSave(str);
3508 /* [HGM] we switched variant. Translate boards if needed. */
3509 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3513 if (looking_at(buf, &i, "Move ")) {
3514 /* Beginning of a move list */
3515 switch (ics_getting_history) {
3517 /* Normally should not happen */
3518 /* Maybe user hit reset while we were parsing */
3521 /* Happens if we are ignoring a move list that is not
3522 * the one we just requested. Common if the user
3523 * tries to observe two games without turning off
3526 case H_GETTING_MOVES:
3527 /* Should not happen */
3528 DisplayError(_("Error gathering move list: nested"), 0);
3529 ics_getting_history = H_FALSE;
3531 case H_GOT_REQ_HEADER:
3532 ics_getting_history = H_GETTING_MOVES;
3533 started = STARTED_MOVES;
3535 if (oldi > next_out) {
3536 SendToPlayer(&buf[next_out], oldi - next_out);
3539 case H_GOT_UNREQ_HEADER:
3540 ics_getting_history = H_GETTING_MOVES;
3541 started = STARTED_MOVES_NOHIDE;
3544 case H_GOT_UNWANTED_HEADER:
3545 ics_getting_history = H_FALSE;
3551 if (looking_at(buf, &i, "% ") ||
3552 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3553 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3554 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3555 soughtPending = FALSE;
3559 if(suppressKibitz) next_out = i;
3560 savingComment = FALSE;
3564 case STARTED_MOVES_NOHIDE:
3565 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3566 parse[parse_pos + i - oldi] = NULLCHAR;
3567 ParseGameHistory(parse);
3569 if (appData.zippyPlay && first.initDone) {
3570 FeedMovesToProgram(&first, forwardMostMove);
3571 if (gameMode == IcsPlayingWhite) {
3572 if (WhiteOnMove(forwardMostMove)) {
3573 if (first.sendTime) {
3574 if (first.useColors) {
3575 SendToProgram("black\n", &first);
3577 SendTimeRemaining(&first, TRUE);
3579 if (first.useColors) {
3580 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3582 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3583 first.maybeThinking = TRUE;
3585 if (first.usePlayother) {
3586 if (first.sendTime) {
3587 SendTimeRemaining(&first, TRUE);
3589 SendToProgram("playother\n", &first);
3595 } else if (gameMode == IcsPlayingBlack) {
3596 if (!WhiteOnMove(forwardMostMove)) {
3597 if (first.sendTime) {
3598 if (first.useColors) {
3599 SendToProgram("white\n", &first);
3601 SendTimeRemaining(&first, FALSE);
3603 if (first.useColors) {
3604 SendToProgram("black\n", &first);
3606 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3607 first.maybeThinking = TRUE;
3609 if (first.usePlayother) {
3610 if (first.sendTime) {
3611 SendTimeRemaining(&first, FALSE);
3613 SendToProgram("playother\n", &first);
3622 if (gameMode == IcsObserving && ics_gamenum == -1) {
3623 /* Moves came from oldmoves or moves command
3624 while we weren't doing anything else.
3626 currentMove = forwardMostMove;
3627 ClearHighlights();/*!!could figure this out*/
3628 flipView = appData.flipView;
3629 DrawPosition(TRUE, boards[currentMove]);
3630 DisplayBothClocks();
3631 snprintf(str, MSG_SIZ, _("%s vs. %s"),
3632 gameInfo.white, gameInfo.black);
3636 /* Moves were history of an active game */
3637 if (gameInfo.resultDetails != NULL) {
3638 free(gameInfo.resultDetails);
3639 gameInfo.resultDetails = NULL;
3642 HistorySet(parseList, backwardMostMove,
3643 forwardMostMove, currentMove-1);
3644 DisplayMove(currentMove - 1);
3645 if (started == STARTED_MOVES) next_out = i;
3646 started = STARTED_NONE;
3647 ics_getting_history = H_FALSE;
3650 case STARTED_OBSERVE:
3651 started = STARTED_NONE;
3652 SendToICS(ics_prefix);
3653 SendToICS("refresh\n");
3659 if(bookHit) { // [HGM] book: simulate book reply
3660 static char bookMove[MSG_SIZ]; // a bit generous?
3662 programStats.nodes = programStats.depth = programStats.time =
3663 programStats.score = programStats.got_only_move = 0;
3664 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3666 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3667 strcat(bookMove, bookHit);
3668 HandleMachineMove(bookMove, &first);
3673 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3674 started == STARTED_HOLDINGS ||
3675 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3676 /* Accumulate characters in move list or board */
3677 parse[parse_pos++] = buf[i];
3680 /* Start of game messages. Mostly we detect start of game
3681 when the first board image arrives. On some versions
3682 of the ICS, though, we need to do a "refresh" after starting
3683 to observe in order to get the current board right away. */
3684 if (looking_at(buf, &i, "Adding game * to observation list")) {
3685 started = STARTED_OBSERVE;
3689 /* Handle auto-observe */
3690 if (appData.autoObserve &&
3691 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3692 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3694 /* Choose the player that was highlighted, if any. */
3695 if (star_match[0][0] == '\033' ||
3696 star_match[1][0] != '\033') {
3697 player = star_match[0];
3699 player = star_match[2];
3701 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3702 ics_prefix, StripHighlightAndTitle(player));
3705 /* Save ratings from notify string */
3706 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3707 player1Rating = string_to_rating(star_match[1]);
3708 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3709 player2Rating = string_to_rating(star_match[3]);
3711 if (appData.debugMode)
3713 "Ratings from 'Game notification:' %s %d, %s %d\n",
3714 player1Name, player1Rating,
3715 player2Name, player2Rating);
3720 /* Deal with automatic examine mode after a game,
3721 and with IcsObserving -> IcsExamining transition */
3722 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3723 looking_at(buf, &i, "has made you an examiner of game *")) {
3725 int gamenum = atoi(star_match[0]);
3726 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3727 gamenum == ics_gamenum) {
3728 /* We were already playing or observing this game;
3729 no need to refetch history */
3730 gameMode = IcsExamining;
3732 pauseExamForwardMostMove = forwardMostMove;
3733 } else if (currentMove < forwardMostMove) {
3734 ForwardInner(forwardMostMove);
3737 /* I don't think this case really can happen */
3738 SendToICS(ics_prefix);
3739 SendToICS("refresh\n");
3744 /* Error messages */
3745 // if (ics_user_moved) {
3746 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3747 if (looking_at(buf, &i, "Illegal move") ||
3748 looking_at(buf, &i, "Not a legal move") ||
3749 looking_at(buf, &i, "Your king is in check") ||
3750 looking_at(buf, &i, "It isn't your turn") ||
3751 looking_at(buf, &i, "It is not your move")) {
3753 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3754 currentMove = forwardMostMove-1;
3755 DisplayMove(currentMove - 1); /* before DMError */
3756 DrawPosition(FALSE, boards[currentMove]);
3757 SwitchClocks(forwardMostMove-1); // [HGM] race
3758 DisplayBothClocks();
3760 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3766 if (looking_at(buf, &i, "still have time") ||
3767 looking_at(buf, &i, "not out of time") ||
3768 looking_at(buf, &i, "either player is out of time") ||
3769 looking_at(buf, &i, "has timeseal; checking")) {
3770 /* We must have called his flag a little too soon */
3771 whiteFlag = blackFlag = FALSE;
3775 if (looking_at(buf, &i, "added * seconds to") ||
3776 looking_at(buf, &i, "seconds were added to")) {
3777 /* Update the clocks */
3778 SendToICS(ics_prefix);
3779 SendToICS("refresh\n");
3783 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3784 ics_clock_paused = TRUE;
3789 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3790 ics_clock_paused = FALSE;
3795 /* Grab player ratings from the Creating: message.
3796 Note we have to check for the special case when
3797 the ICS inserts things like [white] or [black]. */
3798 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3799 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3801 0 player 1 name (not necessarily white)
3803 2 empty, white, or black (IGNORED)
3804 3 player 2 name (not necessarily black)
3807 The names/ratings are sorted out when the game
3808 actually starts (below).
3810 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3811 player1Rating = string_to_rating(star_match[1]);
3812 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3813 player2Rating = string_to_rating(star_match[4]);
3815 if (appData.debugMode)
3817 "Ratings from 'Creating:' %s %d, %s %d\n",
3818 player1Name, player1Rating,
3819 player2Name, player2Rating);
3824 /* Improved generic start/end-of-game messages */
3825 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3826 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3827 /* If tkind == 0: */
3828 /* star_match[0] is the game number */
3829 /* [1] is the white player's name */
3830 /* [2] is the black player's name */
3831 /* For end-of-game: */
3832 /* [3] is the reason for the game end */
3833 /* [4] is a PGN end game-token, preceded by " " */
3834 /* For start-of-game: */
3835 /* [3] begins with "Creating" or "Continuing" */
3836 /* [4] is " *" or empty (don't care). */
3837 int gamenum = atoi(star_match[0]);
3838 char *whitename, *blackname, *why, *endtoken;
3839 ChessMove endtype = EndOfFile;
3842 whitename = star_match[1];
3843 blackname = star_match[2];
3844 why = star_match[3];
3845 endtoken = star_match[4];
3847 whitename = star_match[1];
3848 blackname = star_match[3];
3849 why = star_match[5];
3850 endtoken = star_match[6];
3853 /* Game start messages */
3854 if (strncmp(why, "Creating ", 9) == 0 ||
3855 strncmp(why, "Continuing ", 11) == 0) {
3856 gs_gamenum = gamenum;
3857 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3858 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3859 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3861 if (appData.zippyPlay) {
3862 ZippyGameStart(whitename, blackname);
3865 partnerBoardValid = FALSE; // [HGM] bughouse
3869 /* Game end messages */
3870 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3871 ics_gamenum != gamenum) {
3874 while (endtoken[0] == ' ') endtoken++;
3875 switch (endtoken[0]) {
3878 endtype = GameUnfinished;
3881 endtype = BlackWins;
3884 if (endtoken[1] == '/')
3885 endtype = GameIsDrawn;
3887 endtype = WhiteWins;
3890 GameEnds(endtype, why, GE_ICS);
3892 if (appData.zippyPlay && first.initDone) {
3893 ZippyGameEnd(endtype, why);
3894 if (first.pr == NoProc) {
3895 /* Start the next process early so that we'll
3896 be ready for the next challenge */
3897 StartChessProgram(&first);
3899 /* Send "new" early, in case this command takes
3900 a long time to finish, so that we'll be ready
3901 for the next challenge. */
3902 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3906 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3910 if (looking_at(buf, &i, "Removing game * from observation") ||
3911 looking_at(buf, &i, "no longer observing game *") ||
3912 looking_at(buf, &i, "Game * (*) has no examiners")) {
3913 if (gameMode == IcsObserving &&
3914 atoi(star_match[0]) == ics_gamenum)
3916 /* icsEngineAnalyze */
3917 if (appData.icsEngineAnalyze) {
3924 ics_user_moved = FALSE;
3929 if (looking_at(buf, &i, "no longer examining game *")) {
3930 if (gameMode == IcsExamining &&
3931 atoi(star_match[0]) == ics_gamenum)
3935 ics_user_moved = FALSE;
3940 /* Advance leftover_start past any newlines we find,
3941 so only partial lines can get reparsed */
3942 if (looking_at(buf, &i, "\n")) {
3943 prevColor = curColor;
3944 if (curColor != ColorNormal) {
3945 if (oldi > next_out) {
3946 SendToPlayer(&buf[next_out], oldi - next_out);
3949 Colorize(ColorNormal, FALSE);
3950 curColor = ColorNormal;
3952 if (started == STARTED_BOARD) {
3953 started = STARTED_NONE;
3954 parse[parse_pos] = NULLCHAR;
3955 ParseBoard12(parse);
3958 /* Send premove here */
3959 if (appData.premove) {
3961 if (currentMove == 0 &&
3962 gameMode == IcsPlayingWhite &&
3963 appData.premoveWhite) {
3964 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3965 if (appData.debugMode)
3966 fprintf(debugFP, "Sending premove:\n");
3968 } else if (currentMove == 1 &&
3969 gameMode == IcsPlayingBlack &&
3970 appData.premoveBlack) {
3971 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3972 if (appData.debugMode)
3973 fprintf(debugFP, "Sending premove:\n");
3975 } else if (gotPremove) {
3977 ClearPremoveHighlights();
3978 if (appData.debugMode)
3979 fprintf(debugFP, "Sending premove:\n");
3980 UserMoveEvent(premoveFromX, premoveFromY,
3981 premoveToX, premoveToY,
3986 /* Usually suppress following prompt */
3987 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3988 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3989 if (looking_at(buf, &i, "*% ")) {
3990 savingComment = FALSE;
3995 } else if (started == STARTED_HOLDINGS) {
3997 char new_piece[MSG_SIZ];
3998 started = STARTED_NONE;
3999 parse[parse_pos] = NULLCHAR;
4000 if (appData.debugMode)
4001 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4002 parse, currentMove);
4003 if (sscanf(parse, " game %d", &gamenum) == 1) {
4004 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4005 if (gameInfo.variant == VariantNormal) {
4006 /* [HGM] We seem to switch variant during a game!
4007 * Presumably no holdings were displayed, so we have
4008 * to move the position two files to the right to
4009 * create room for them!
4011 VariantClass newVariant;
4012 switch(gameInfo.boardWidth) { // base guess on board width
4013 case 9: newVariant = VariantShogi; break;
4014 case 10: newVariant = VariantGreat; break;
4015 default: newVariant = VariantCrazyhouse; break;
4017 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4018 /* Get a move list just to see the header, which
4019 will tell us whether this is really bug or zh */
4020 if (ics_getting_history == H_FALSE) {
4021 ics_getting_history = H_REQUESTED;
4022 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4026 new_piece[0] = NULLCHAR;
4027 sscanf(parse, "game %d white [%s black [%s <- %s",
4028 &gamenum, white_holding, black_holding,
4030 white_holding[strlen(white_holding)-1] = NULLCHAR;
4031 black_holding[strlen(black_holding)-1] = NULLCHAR;
4032 /* [HGM] copy holdings to board holdings area */
4033 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4034 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4035 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4037 if (appData.zippyPlay && first.initDone) {
4038 ZippyHoldings(white_holding, black_holding,
4042 if (tinyLayout || smallLayout) {
4043 char wh[16], bh[16];
4044 PackHolding(wh, white_holding);
4045 PackHolding(bh, black_holding);
4046 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4047 gameInfo.white, gameInfo.black);
4049 snprintf(str, MSG_SIZ, _("%s [%s] vs. %s [%s]"),
4050 gameInfo.white, white_holding,
4051 gameInfo.black, black_holding);
4053 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4054 DrawPosition(FALSE, boards[currentMove]);
4056 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4057 sscanf(parse, "game %d white [%s black [%s <- %s",
4058 &gamenum, white_holding, black_holding,
4060 white_holding[strlen(white_holding)-1] = NULLCHAR;
4061 black_holding[strlen(black_holding)-1] = NULLCHAR;
4062 /* [HGM] copy holdings to partner-board holdings area */
4063 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4064 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4065 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4066 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4067 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4070 /* Suppress following prompt */
4071 if (looking_at(buf, &i, "*% ")) {
4072 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4073 savingComment = FALSE;
4081 i++; /* skip unparsed character and loop back */
4084 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4085 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4086 // SendToPlayer(&buf[next_out], i - next_out);
4087 started != STARTED_HOLDINGS && leftover_start > next_out) {
4088 SendToPlayer(&buf[next_out], leftover_start - next_out);
4092 leftover_len = buf_len - leftover_start;
4093 /* if buffer ends with something we couldn't parse,
4094 reparse it after appending the next read */
4096 } else if (count == 0) {
4097 RemoveInputSource(isr);
4098 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4100 DisplayFatalError(_("Error reading from ICS"), error, 1);
4105 /* Board style 12 looks like this:
4107 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4109 * The "<12> " is stripped before it gets to this routine. The two
4110 * trailing 0's (flip state and clock ticking) are later addition, and
4111 * some chess servers may not have them, or may have only the first.
4112 * Additional trailing fields may be added in the future.
4115 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4117 #define RELATION_OBSERVING_PLAYED 0
4118 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4119 #define RELATION_PLAYING_MYMOVE 1
4120 #define RELATION_PLAYING_NOTMYMOVE -1
4121 #define RELATION_EXAMINING 2
4122 #define RELATION_ISOLATED_BOARD -3
4123 #define RELATION_STARTING_POSITION -4 /* FICS only */
4126 ParseBoard12(string)
4129 GameMode newGameMode;
4130 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4131 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4132 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4133 char to_play, board_chars[200];
4134 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4135 char black[32], white[32];
4137 int prevMove = currentMove;
4140 int fromX, fromY, toX, toY;
4142 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4143 char *bookHit = NULL; // [HGM] book
4144 Boolean weird = FALSE, reqFlag = FALSE;
4146 fromX = fromY = toX = toY = -1;
4150 if (appData.debugMode)
4151 fprintf(debugFP, _("Parsing board: %s\n"), string);
4153 move_str[0] = NULLCHAR;
4154 elapsed_time[0] = NULLCHAR;
4155 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4157 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4158 if(string[i] == ' ') { ranks++; files = 0; }
4160 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4163 for(j = 0; j <i; j++) board_chars[j] = string[j];
4164 board_chars[i] = '\0';
4167 n = sscanf(string, PATTERN, &to_play, &double_push,
4168 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4169 &gamenum, white, black, &relation, &basetime, &increment,
4170 &white_stren, &black_stren, &white_time, &black_time,
4171 &moveNum, str, elapsed_time, move_str, &ics_flip,
4175 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4176 DisplayError(str, 0);
4180 /* Convert the move number to internal form */
4181 moveNum = (moveNum - 1) * 2;
4182 if (to_play == 'B') moveNum++;
4183 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4184 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4190 case RELATION_OBSERVING_PLAYED:
4191 case RELATION_OBSERVING_STATIC:
4192 if (gamenum == -1) {
4193 /* Old ICC buglet */
4194 relation = RELATION_OBSERVING_STATIC;
4196 newGameMode = IcsObserving;
4198 case RELATION_PLAYING_MYMOVE:
4199 case RELATION_PLAYING_NOTMYMOVE:
4201 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4202 IcsPlayingWhite : IcsPlayingBlack;
4204 case RELATION_EXAMINING:
4205 newGameMode = IcsExamining;
4207 case RELATION_ISOLATED_BOARD:
4209 /* Just display this board. If user was doing something else,
4210 we will forget about it until the next board comes. */
4211 newGameMode = IcsIdle;
4213 case RELATION_STARTING_POSITION:
4214 newGameMode = gameMode;
4218 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4219 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4220 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4222 for (k = 0; k < ranks; k++) {
4223 for (j = 0; j < files; j++)
4224 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4225 if(gameInfo.holdingsWidth > 1) {
4226 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4227 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4230 CopyBoard(partnerBoard, board);
4231 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4232 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4233 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4234 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4235 if(toSqr = strchr(str, '-')) {
4236 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4237 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4238 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4239 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4240 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4241 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4242 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4243 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4244 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4245 DisplayMessage(partnerStatus, "");
4246 partnerBoardValid = TRUE;
4250 /* Modify behavior for initial board display on move listing
4253 switch (ics_getting_history) {
4257 case H_GOT_REQ_HEADER:
4258 case H_GOT_UNREQ_HEADER:
4259 /* This is the initial position of the current game */
4260 gamenum = ics_gamenum;
4261 moveNum = 0; /* old ICS bug workaround */
4262 if (to_play == 'B') {
4263 startedFromSetupPosition = TRUE;
4264 blackPlaysFirst = TRUE;
4266 if (forwardMostMove == 0) forwardMostMove = 1;
4267 if (backwardMostMove == 0) backwardMostMove = 1;
4268 if (currentMove == 0) currentMove = 1;
4270 newGameMode = gameMode;
4271 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4273 case H_GOT_UNWANTED_HEADER:
4274 /* This is an initial board that we don't want */
4276 case H_GETTING_MOVES:
4277 /* Should not happen */
4278 DisplayError(_("Error gathering move list: extra board"), 0);
4279 ics_getting_history = H_FALSE;
4283 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4284 weird && (int)gameInfo.variant < (int)VariantShogi) {
4285 /* [HGM] We seem to have switched variant unexpectedly
4286 * Try to guess new variant from board size
4288 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4289 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4290 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4291 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4292 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4293 if(!weird) newVariant = VariantNormal;
4294 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4295 /* Get a move list just to see the header, which
4296 will tell us whether this is really bug or zh */
4297 if (ics_getting_history == H_FALSE) {
4298 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4299 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4304 /* Take action if this is the first board of a new game, or of a
4305 different game than is currently being displayed. */
4306 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4307 relation == RELATION_ISOLATED_BOARD) {
4309 /* Forget the old game and get the history (if any) of the new one */
4310 if (gameMode != BeginningOfGame) {
4314 if (appData.autoRaiseBoard) BoardToTop();
4316 if (gamenum == -1) {
4317 newGameMode = IcsIdle;
4318 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4319 appData.getMoveList && !reqFlag) {
4320 /* Need to get game history */
4321 ics_getting_history = H_REQUESTED;
4322 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4326 /* Initially flip the board to have black on the bottom if playing
4327 black or if the ICS flip flag is set, but let the user change
4328 it with the Flip View button. */
4329 flipView = appData.autoFlipView ?
4330 (newGameMode == IcsPlayingBlack) || ics_flip :
4333 /* Done with values from previous mode; copy in new ones */
4334 gameMode = newGameMode;
4336 ics_gamenum = gamenum;
4337 if (gamenum == gs_gamenum) {
4338 int klen = strlen(gs_kind);
4339 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4340 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4341 gameInfo.event = StrSave(str);
4343 gameInfo.event = StrSave("ICS game");
4345 gameInfo.site = StrSave(appData.icsHost);
4346 gameInfo.date = PGNDate();
4347 gameInfo.round = StrSave("-");
4348 gameInfo.white = StrSave(white);
4349 gameInfo.black = StrSave(black);
4350 timeControl = basetime * 60 * 1000;
4352 timeIncrement = increment * 1000;
4353 movesPerSession = 0;
4354 gameInfo.timeControl = TimeControlTagValue();
4355 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4356 if (appData.debugMode) {
4357 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4358 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4359 setbuf(debugFP, NULL);
4362 gameInfo.outOfBook = NULL;
4364 /* Do we have the ratings? */
4365 if (strcmp(player1Name, white) == 0 &&
4366 strcmp(player2Name, black) == 0) {
4367 if (appData.debugMode)
4368 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4369 player1Rating, player2Rating);
4370 gameInfo.whiteRating = player1Rating;
4371 gameInfo.blackRating = player2Rating;
4372 } else if (strcmp(player2Name, white) == 0 &&
4373 strcmp(player1Name, black) == 0) {
4374 if (appData.debugMode)
4375 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4376 player2Rating, player1Rating);
4377 gameInfo.whiteRating = player2Rating;
4378 gameInfo.blackRating = player1Rating;
4380 player1Name[0] = player2Name[0] = NULLCHAR;
4382 /* Silence shouts if requested */
4383 if (appData.quietPlay &&
4384 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4385 SendToICS(ics_prefix);
4386 SendToICS("set shout 0\n");
4390 /* Deal with midgame name changes */
4392 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4393 if (gameInfo.white) free(gameInfo.white);
4394 gameInfo.white = StrSave(white);
4396 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4397 if (gameInfo.black) free(gameInfo.black);
4398 gameInfo.black = StrSave(black);
4402 /* Throw away game result if anything actually changes in examine mode */
4403 if (gameMode == IcsExamining && !newGame) {
4404 gameInfo.result = GameUnfinished;
4405 if (gameInfo.resultDetails != NULL) {
4406 free(gameInfo.resultDetails);
4407 gameInfo.resultDetails = NULL;
4411 /* In pausing && IcsExamining mode, we ignore boards coming
4412 in if they are in a different variation than we are. */
4413 if (pauseExamInvalid) return;
4414 if (pausing && gameMode == IcsExamining) {
4415 if (moveNum <= pauseExamForwardMostMove) {
4416 pauseExamInvalid = TRUE;
4417 forwardMostMove = pauseExamForwardMostMove;
4422 if (appData.debugMode) {
4423 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4425 /* Parse the board */
4426 for (k = 0; k < ranks; k++) {
4427 for (j = 0; j < files; j++)
4428 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4429 if(gameInfo.holdingsWidth > 1) {
4430 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4431 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4434 CopyBoard(boards[moveNum], board);
4435 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4437 startedFromSetupPosition =
4438 !CompareBoards(board, initialPosition);
4439 if(startedFromSetupPosition)
4440 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4443 /* [HGM] Set castling rights. Take the outermost Rooks,
4444 to make it also work for FRC opening positions. Note that board12
4445 is really defective for later FRC positions, as it has no way to
4446 indicate which Rook can castle if they are on the same side of King.
4447 For the initial position we grant rights to the outermost Rooks,
4448 and remember thos rights, and we then copy them on positions
4449 later in an FRC game. This means WB might not recognize castlings with
4450 Rooks that have moved back to their original position as illegal,
4451 but in ICS mode that is not its job anyway.
4453 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4454 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4456 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4457 if(board[0][i] == WhiteRook) j = i;
4458 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4459 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4460 if(board[0][i] == WhiteRook) j = i;
4461 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4462 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4463 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4464 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4465 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4466 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4467 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4469 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4470 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4471 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4472 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4473 if(board[BOARD_HEIGHT-1][k] == bKing)
4474 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4475 if(gameInfo.variant == VariantTwoKings) {
4476 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4477 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4478 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4481 r = boards[moveNum][CASTLING][0] = initialRights[0];
4482 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4483 r = boards[moveNum][CASTLING][1] = initialRights[1];
4484 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4485 r = boards[moveNum][CASTLING][3] = initialRights[3];
4486 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4487 r = boards[moveNum][CASTLING][4] = initialRights[4];
4488 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4489 /* wildcastle kludge: always assume King has rights */
4490 r = boards[moveNum][CASTLING][2] = initialRights[2];
4491 r = boards[moveNum][CASTLING][5] = initialRights[5];
4493 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4494 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4497 if (ics_getting_history == H_GOT_REQ_HEADER ||
4498 ics_getting_history == H_GOT_UNREQ_HEADER) {
4499 /* This was an initial position from a move list, not
4500 the current position */
4504 /* Update currentMove and known move number limits */
4505 newMove = newGame || moveNum > forwardMostMove;
4508 forwardMostMove = backwardMostMove = currentMove = moveNum;
4509 if (gameMode == IcsExamining && moveNum == 0) {
4510 /* Workaround for ICS limitation: we are not told the wild
4511 type when starting to examine a game. But if we ask for
4512 the move list, the move list header will tell us */
4513 ics_getting_history = H_REQUESTED;
4514 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4517 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4518 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4520 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4521 /* [HGM] applied this also to an engine that is silently watching */
4522 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4523 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4524 gameInfo.variant == currentlyInitializedVariant) {
4525 takeback = forwardMostMove - moveNum;
4526 for (i = 0; i < takeback; i++) {
4527 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4528 SendToProgram("undo\n", &first);
4533 forwardMostMove = moveNum;
4534 if (!pausing || currentMove > forwardMostMove)
4535 currentMove = forwardMostMove;
4537 /* New part of history that is not contiguous with old part */
4538 if (pausing && gameMode == IcsExamining) {
4539 pauseExamInvalid = TRUE;
4540 forwardMostMove = pauseExamForwardMostMove;
4543 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4545 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4546 // [HGM] when we will receive the move list we now request, it will be
4547 // fed to the engine from the first move on. So if the engine is not
4548 // in the initial position now, bring it there.
4549 InitChessProgram(&first, 0);
4552 ics_getting_history = H_REQUESTED;
4553 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4556 forwardMostMove = backwardMostMove = currentMove = moveNum;
4559 /* Update the clocks */
4560 if (strchr(elapsed_time, '.')) {
4562 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4563 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4565 /* Time is in seconds */
4566 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4567 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4572 if (appData.zippyPlay && newGame &&
4573 gameMode != IcsObserving && gameMode != IcsIdle &&
4574 gameMode != IcsExamining)
4575 ZippyFirstBoard(moveNum, basetime, increment);
4578 /* Put the move on the move list, first converting
4579 to canonical algebraic form. */
4581 if (appData.debugMode) {
4582 if (appData.debugMode) { int f = forwardMostMove;
4583 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4584 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4585 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4587 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4588 fprintf(debugFP, "moveNum = %d\n", moveNum);
4589 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4590 setbuf(debugFP, NULL);
4592 if (moveNum <= backwardMostMove) {
4593 /* We don't know what the board looked like before
4595 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4596 strcat(parseList[moveNum - 1], " ");
4597 strcat(parseList[moveNum - 1], elapsed_time);
4598 moveList[moveNum - 1][0] = NULLCHAR;
4599 } else if (strcmp(move_str, "none") == 0) {
4600 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4601 /* Again, we don't know what the board looked like;
4602 this is really the start of the game. */
4603 parseList[moveNum - 1][0] = NULLCHAR;
4604 moveList[moveNum - 1][0] = NULLCHAR;
4605 backwardMostMove = moveNum;
4606 startedFromSetupPosition = TRUE;
4607 fromX = fromY = toX = toY = -1;
4609 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4610 // So we parse the long-algebraic move string in stead of the SAN move
4611 int valid; char buf[MSG_SIZ], *prom;
4613 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4614 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4615 // str looks something like "Q/a1-a2"; kill the slash
4617 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4618 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4619 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4620 strcat(buf, prom); // long move lacks promo specification!
4621 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4622 if(appData.debugMode)
4623 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4624 safeStrCpy(move_str, buf, MSG_SIZ);
4626 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4627 &fromX, &fromY, &toX, &toY, &promoChar)
4628 || ParseOneMove(buf, moveNum - 1, &moveType,
4629 &fromX, &fromY, &toX, &toY, &promoChar);
4630 // end of long SAN patch
4632 (void) CoordsToAlgebraic(boards[moveNum - 1],
4633 PosFlags(moveNum - 1),
4634 fromY, fromX, toY, toX, promoChar,
4635 parseList[moveNum-1]);
4636 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4642 if(gameInfo.variant != VariantShogi)
4643 strcat(parseList[moveNum - 1], "+");
4646 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4647 strcat(parseList[moveNum - 1], "#");
4650 strcat(parseList[moveNum - 1], " ");
4651 strcat(parseList[moveNum - 1], elapsed_time);
4652 /* currentMoveString is set as a side-effect of ParseOneMove */
4653 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4654 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4655 strcat(moveList[moveNum - 1], "\n");
4657 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4658 && gameInfo.variant != VariantGrand) // inherit info that ICS does not give from previous board
4659 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4660 ChessSquare old, new = boards[moveNum][k][j];
4661 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4662 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4663 if(old == new) continue;
4664 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4665 else if(new == WhiteWazir || new == BlackWazir) {
4666 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4667 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4668 else boards[moveNum][k][j] = old; // preserve type of Gold
4669 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4670 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4673 /* Move from ICS was illegal!? Punt. */
4674 if (appData.debugMode) {
4675 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4676 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4678 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4679 strcat(parseList[moveNum - 1], " ");
4680 strcat(parseList[moveNum - 1], elapsed_time);
4681 moveList[moveNum - 1][0] = NULLCHAR;
4682 fromX = fromY = toX = toY = -1;
4685 if (appData.debugMode) {
4686 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4687 setbuf(debugFP, NULL);
4691 /* Send move to chess program (BEFORE animating it). */
4692 if (appData.zippyPlay && !newGame && newMove &&
4693 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4695 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4696 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4697 if (moveList[moveNum - 1][0] == NULLCHAR) {
4698 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4700 DisplayError(str, 0);
4702 if (first.sendTime) {
4703 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4705 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4706 if (firstMove && !bookHit) {
4708 if (first.useColors) {
4709 SendToProgram(gameMode == IcsPlayingWhite ?
4711 "black\ngo\n", &first);
4713 SendToProgram("go\n", &first);
4715 first.maybeThinking = TRUE;
4718 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4719 if (moveList[moveNum - 1][0] == NULLCHAR) {
4720 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4721 DisplayError(str, 0);
4723 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4724 SendMoveToProgram(moveNum - 1, &first);
4731 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4732 /* If move comes from a remote source, animate it. If it
4733 isn't remote, it will have already been animated. */
4734 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4735 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4737 if (!pausing && appData.highlightLastMove) {
4738 SetHighlights(fromX, fromY, toX, toY);
4742 /* Start the clocks */
4743 whiteFlag = blackFlag = FALSE;
4744 appData.clockMode = !(basetime == 0 && increment == 0);
4746 ics_clock_paused = TRUE;
4748 } else if (ticking == 1) {
4749 ics_clock_paused = FALSE;
4751 if (gameMode == IcsIdle ||
4752 relation == RELATION_OBSERVING_STATIC ||
4753 relation == RELATION_EXAMINING ||
4755 DisplayBothClocks();
4759 /* Display opponents and material strengths */
4760 if (gameInfo.variant != VariantBughouse &&
4761 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4762 if (tinyLayout || smallLayout) {
4763 if(gameInfo.variant == VariantNormal)
4764 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4765 gameInfo.white, white_stren, gameInfo.black, black_stren,
4766 basetime, increment);
4768 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4769 gameInfo.white, white_stren, gameInfo.black, black_stren,
4770 basetime, increment, (int) gameInfo.variant);
4772 if(gameInfo.variant == VariantNormal)
4773 snprintf(str, MSG_SIZ, _("%s (%d) vs. %s (%d) {%d %d}"),
4774 gameInfo.white, white_stren, gameInfo.black, black_stren,
4775 basetime, increment);
4777 snprintf(str, MSG_SIZ, _("%s (%d) vs. %s (%d) {%d %d %s}"),
4778 gameInfo.white, white_stren, gameInfo.black, black_stren,
4779 basetime, increment, VariantName(gameInfo.variant));
4782 if (appData.debugMode) {
4783 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4788 /* Display the board */
4789 if (!pausing && !appData.noGUI) {
4791 if (appData.premove)
4793 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4794 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4795 ClearPremoveHighlights();
4797 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4798 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4799 DrawPosition(j, boards[currentMove]);
4801 DisplayMove(moveNum - 1);
4802 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4803 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4804 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4805 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4809 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4811 if(bookHit) { // [HGM] book: simulate book reply
4812 static char bookMove[MSG_SIZ]; // a bit generous?
4814 programStats.nodes = programStats.depth = programStats.time =
4815 programStats.score = programStats.got_only_move = 0;
4816 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4818 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4819 strcat(bookMove, bookHit);
4820 HandleMachineMove(bookMove, &first);
4829 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4830 ics_getting_history = H_REQUESTED;
4831 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4837 AnalysisPeriodicEvent(force)
4840 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4841 && !force) || !appData.periodicUpdates)
4844 /* Send . command to Crafty to collect stats */
4845 SendToProgram(".\n", &first);
4847 /* Don't send another until we get a response (this makes
4848 us stop sending to old Crafty's which don't understand
4849 the "." command (sending illegal cmds resets node count & time,
4850 which looks bad)) */
4851 programStats.ok_to_send = 0;
4854 void ics_update_width(new_width)
4857 ics_printf("set width %d\n", new_width);
4861 SendMoveToProgram(moveNum, cps)
4863 ChessProgramState *cps;
4867 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4868 // null move in variant where engine does not understand it (for analysis purposes)
4869 SendBoard(cps, moveNum + 1); // send position after move in stead.
4872 if (cps->useUsermove) {
4873 SendToProgram("usermove ", cps);
4877 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4878 int len = space - parseList[moveNum];
4879 memcpy(buf, parseList[moveNum], len);
4881 buf[len] = NULLCHAR;
4883 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4885 SendToProgram(buf, cps);
4887 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4888 AlphaRank(moveList[moveNum], 4);
4889 SendToProgram(moveList[moveNum], cps);
4890 AlphaRank(moveList[moveNum], 4); // and back
4892 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4893 * the engine. It would be nice to have a better way to identify castle
4895 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4896 && cps->useOOCastle) {
4897 int fromX = moveList[moveNum][0] - AAA;
4898 int fromY = moveList[moveNum][1] - ONE;
4899 int toX = moveList[moveNum][2] - AAA;
4900 int toY = moveList[moveNum][3] - ONE;
4901 if((boards[moveNum][fromY][fromX] == WhiteKing
4902 && boards[moveNum][toY][toX] == WhiteRook)
4903 || (boards[moveNum][fromY][fromX] == BlackKing
4904 && boards[moveNum][toY][toX] == BlackRook)) {
4905 if(toX > fromX) SendToProgram("O-O\n", cps);
4906 else SendToProgram("O-O-O\n", cps);
4908 else SendToProgram(moveList[moveNum], cps);
4910 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4911 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4912 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4913 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4914 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4916 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4917 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4918 SendToProgram(buf, cps);
4920 else SendToProgram(moveList[moveNum], cps);
4921 /* End of additions by Tord */
4924 /* [HGM] setting up the opening has brought engine in force mode! */
4925 /* Send 'go' if we are in a mode where machine should play. */
4926 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4927 (gameMode == TwoMachinesPlay ||
4929 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4931 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4932 SendToProgram("go\n", cps);
4933 if (appData.debugMode) {
4934 fprintf(debugFP, "(extra)\n");
4937 setboardSpoiledMachineBlack = 0;
4941 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4943 int fromX, fromY, toX, toY;
4946 char user_move[MSG_SIZ];
4949 if(gameInfo.variant == VariantSChess && promoChar) {
4950 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
4951 if(toX == BOARD_WIDTH>>1) moveType = WhitePromotion; // kludge to do gating at Rook
4952 } else suffix[0] = NULLCHAR;
4956 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4957 (int)moveType, fromX, fromY, toX, toY);
4958 DisplayError(user_move + strlen("say "), 0);
4960 case WhiteKingSideCastle:
4961 case BlackKingSideCastle:
4962 case WhiteQueenSideCastleWild:
4963 case BlackQueenSideCastleWild:
4965 case WhiteHSideCastleFR:
4966 case BlackHSideCastleFR:
4968 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
4970 case WhiteQueenSideCastle:
4971 case BlackQueenSideCastle:
4972 case WhiteKingSideCastleWild:
4973 case BlackKingSideCastleWild:
4975 case WhiteASideCastleFR:
4976 case BlackASideCastleFR:
4978 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
4980 case WhiteNonPromotion:
4981 case BlackNonPromotion:
4982 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4984 case WhitePromotion:
4985 case BlackPromotion:
4986 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4987 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4988 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4989 PieceToChar(WhiteFerz));
4990 else if(gameInfo.variant == VariantGreat)
4991 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4992 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4993 PieceToChar(WhiteMan));
4995 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4996 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5002 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5003 ToUpper(PieceToChar((ChessSquare) fromX)),
5004 AAA + toX, ONE + toY);
5006 case IllegalMove: /* could be a variant we don't quite understand */
5007 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5009 case WhiteCapturesEnPassant:
5010 case BlackCapturesEnPassant:
5011 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5012 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5015 SendToICS(user_move);
5016 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5017 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5022 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5023 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5024 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5025 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5026 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5029 if(gameMode != IcsExamining) { // is this ever not the case?
5030 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5032 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5033 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5034 } else { // on FICS we must first go to general examine mode
5035 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5037 if(gameInfo.variant != VariantNormal) {
5038 // try figure out wild number, as xboard names are not always valid on ICS
5039 for(i=1; i<=36; i++) {
5040 snprintf(buf, MSG_SIZ, "wild/%d", i);
5041 if(StringToVariant(buf) == gameInfo.variant) break;
5043 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5044 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5045 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5046 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5047 SendToICS(ics_prefix);
5049 if(startedFromSetupPosition || backwardMostMove != 0) {
5050 fen = PositionToFEN(backwardMostMove, NULL);
5051 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5052 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5054 } else { // FICS: everything has to set by separate bsetup commands
5055 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5056 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5058 if(!WhiteOnMove(backwardMostMove)) {
5059 SendToICS("bsetup tomove black\n");
5061 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5062 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5064 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5065 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5067 i = boards[backwardMostMove][EP_STATUS];
5068 if(i >= 0) { // set e.p.
5069 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5075 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5076 SendToICS("bsetup done\n"); // switch to normal examining.
5078 for(i = backwardMostMove; i<last; i++) {
5080 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5083 SendToICS(ics_prefix);
5084 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5088 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5093 if (rf == DROP_RANK) {
5094 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5095 sprintf(move, "%c@%c%c\n",
5096 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5098 if (promoChar == 'x' || promoChar == NULLCHAR) {
5099 sprintf(move, "%c%c%c%c\n",
5100 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5102 sprintf(move, "%c%c%c%c%c\n",
5103 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5109 ProcessICSInitScript(f)
5114 while (fgets(buf, MSG_SIZ, f)) {
5115 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5122 static int lastX, lastY, selectFlag, dragging;
5127 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5128 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5129 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5130 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5131 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5132 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5135 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5136 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5137 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5138 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5139 if(!step) step = -1;
5140 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5141 appData.testLegality && (promoSweep == king ||
5142 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5143 ChangeDragPiece(promoSweep);
5146 int PromoScroll(int x, int y)
5150 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5151 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5152 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5153 if(!step) return FALSE;
5154 lastX = x; lastY = y;
5155 if((promoSweep < BlackPawn) == flipView) step = -step;
5156 if(step > 0) selectFlag = 1;
5157 if(!selectFlag) Sweep(step);
5164 ChessSquare piece = boards[currentMove][toY][toX];
5167 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5168 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5169 if(!step) step = -1;
5170 } while(PieceToChar(pieceSweep) == '.');
5171 boards[currentMove][toY][toX] = pieceSweep;
5172 DrawPosition(FALSE, boards[currentMove]);
5173 boards[currentMove][toY][toX] = piece;
5175 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5177 AlphaRank(char *move, int n)
5179 // char *p = move, c; int x, y;
5181 if (appData.debugMode) {
5182 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5186 move[2]>='0' && move[2]<='9' &&
5187 move[3]>='a' && move[3]<='x' ) {
5189 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5190 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5192 if(move[0]>='0' && move[0]<='9' &&
5193 move[1]>='a' && move[1]<='x' &&
5194 move[2]>='0' && move[2]<='9' &&
5195 move[3]>='a' && move[3]<='x' ) {
5196 /* input move, Shogi -> normal */
5197 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5198 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5199 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5200 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5203 move[3]>='0' && move[3]<='9' &&
5204 move[2]>='a' && move[2]<='x' ) {
5206 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5207 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5210 move[0]>='a' && move[0]<='x' &&
5211 move[3]>='0' && move[3]<='9' &&
5212 move[2]>='a' && move[2]<='x' ) {
5213 /* output move, normal -> Shogi */
5214 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5215 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5216 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5217 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5218 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5220 if (appData.debugMode) {
5221 fprintf(debugFP, " out = '%s'\n", move);
5225 char yy_textstr[8000];
5227 /* Parser for moves from gnuchess, ICS, or user typein box */
5229 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5232 ChessMove *moveType;
5233 int *fromX, *fromY, *toX, *toY;
5236 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5238 switch (*moveType) {
5239 case WhitePromotion:
5240 case BlackPromotion:
5241 case WhiteNonPromotion:
5242 case BlackNonPromotion:
5244 case WhiteCapturesEnPassant:
5245 case BlackCapturesEnPassant:
5246 case WhiteKingSideCastle:
5247 case WhiteQueenSideCastle:
5248 case BlackKingSideCastle:
5249 case BlackQueenSideCastle:
5250 case WhiteKingSideCastleWild:
5251 case WhiteQueenSideCastleWild:
5252 case BlackKingSideCastleWild:
5253 case BlackQueenSideCastleWild:
5254 /* Code added by Tord: */
5255 case WhiteHSideCastleFR:
5256 case WhiteASideCastleFR:
5257 case BlackHSideCastleFR:
5258 case BlackASideCastleFR:
5259 /* End of code added by Tord */
5260 case IllegalMove: /* bug or odd chess variant */
5261 *fromX = currentMoveString[0] - AAA;
5262 *fromY = currentMoveString[1] - ONE;
5263 *toX = currentMoveString[2] - AAA;
5264 *toY = currentMoveString[3] - ONE;
5265 *promoChar = currentMoveString[4];
5266 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5267 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5268 if (appData.debugMode) {
5269 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5271 *fromX = *fromY = *toX = *toY = 0;
5274 if (appData.testLegality) {
5275 return (*moveType != IllegalMove);
5277 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5278 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5283 *fromX = *moveType == WhiteDrop ?
5284 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5285 (int) CharToPiece(ToLower(currentMoveString[0]));
5287 *toX = currentMoveString[2] - AAA;
5288 *toY = currentMoveString[3] - ONE;
5289 *promoChar = NULLCHAR;
5293 case ImpossibleMove:
5303 if (appData.debugMode) {
5304 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5307 *fromX = *fromY = *toX = *toY = 0;
5308 *promoChar = NULLCHAR;
5313 Boolean pushed = FALSE;
5314 char *lastParseAttempt;
5317 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5318 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5319 int fromX, fromY, toX, toY; char promoChar;
5324 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5325 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5328 endPV = forwardMostMove;
5330 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5331 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5332 lastParseAttempt = pv;
5333 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5334 if(appData.debugMode){
5335 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);
5337 if(!valid && nr == 0 &&
5338 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5339 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5340 // Hande case where played move is different from leading PV move
5341 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5342 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5343 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5344 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5345 endPV += 2; // if position different, keep this
5346 moveList[endPV-1][0] = fromX + AAA;
5347 moveList[endPV-1][1] = fromY + ONE;
5348 moveList[endPV-1][2] = toX + AAA;
5349 moveList[endPV-1][3] = toY + ONE;
5350 parseList[endPV-1][0] = NULLCHAR;
5351 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5354 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5355 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5356 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5357 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5358 valid++; // allow comments in PV
5362 if(endPV+1 > framePtr) break; // no space, truncate
5365 CopyBoard(boards[endPV], boards[endPV-1]);
5366 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5367 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5368 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5369 CoordsToAlgebraic(boards[endPV - 1],
5370 PosFlags(endPV - 1),
5371 fromY, fromX, toY, toX, promoChar,
5372 parseList[endPV - 1]);
5374 if(atEnd == 2) return; // used hidden, for PV conversion
5375 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5376 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5377 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5378 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5379 DrawPosition(TRUE, boards[currentMove]);
5383 MultiPV(ChessProgramState *cps)
5384 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5386 for(i=0; i<cps->nrOptions; i++)
5387 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5393 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5395 int startPV, multi, lineStart, origIndex = index;
5396 char *p, buf2[MSG_SIZ];
5398 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5399 lastX = x; lastY = y;
5400 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5401 lineStart = startPV = index;
5402 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5403 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5405 do{ while(buf[index] && buf[index] != '\n') index++;
5406 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5408 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5409 int n = first.option[multi].value;
5410 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5411 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5412 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5413 first.option[multi].value = n;
5417 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5418 *start = startPV; *end = index-1;
5425 static char buf[10*MSG_SIZ];
5426 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5428 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5429 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5430 for(i = forwardMostMove; i<endPV; i++){
5431 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5432 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5435 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5436 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5442 LoadPV(int x, int y)
5443 { // called on right mouse click to load PV
5444 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5445 lastX = x; lastY = y;
5446 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5453 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5454 if(endPV < 0) return;
5456 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5457 Boolean saveAnimate = appData.animate;
5459 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5460 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5461 } else storedGames--; // abandon shelved tail of original game
5464 forwardMostMove = currentMove;
5465 currentMove = oldFMM;
5466 appData.animate = FALSE;
5467 ToNrEvent(forwardMostMove);
5468 appData.animate = saveAnimate;
5470 currentMove = forwardMostMove;
5471 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5472 ClearPremoveHighlights();
5473 DrawPosition(TRUE, boards[currentMove]);
5477 MovePV(int x, int y, int h)
5478 { // step through PV based on mouse coordinates (called on mouse move)
5479 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5481 // we must somehow check if right button is still down (might be released off board!)
5482 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5483 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5484 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5486 lastX = x; lastY = y;
5488 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5489 if(endPV < 0) return;
5490 if(y < margin) step = 1; else
5491 if(y > h - margin) step = -1;
5492 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5493 currentMove += step;
5494 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5495 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5496 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5497 DrawPosition(FALSE, boards[currentMove]);
5501 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5502 // All positions will have equal probability, but the current method will not provide a unique
5503 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5509 int piecesLeft[(int)BlackPawn];
5510 int seed, nrOfShuffles;
5512 void GetPositionNumber()
5513 { // sets global variable seed
5516 seed = appData.defaultFrcPosition;
5517 if(seed < 0) { // randomize based on time for negative FRC position numbers
5518 for(i=0; i<50; i++) seed += random();
5519 seed = random() ^ random() >> 8 ^ random() << 8;
5520 if(seed<0) seed = -seed;
5524 int put(Board board, int pieceType, int rank, int n, int shade)
5525 // put the piece on the (n-1)-th empty squares of the given shade
5529 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5530 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5531 board[rank][i] = (ChessSquare) pieceType;
5532 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5534 piecesLeft[pieceType]--;
5542 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5543 // calculate where the next piece goes, (any empty square), and put it there
5547 i = seed % squaresLeft[shade];
5548 nrOfShuffles *= squaresLeft[shade];
5549 seed /= squaresLeft[shade];
5550 put(board, pieceType, rank, i, shade);
5553 void AddTwoPieces(Board board, int pieceType, int rank)
5554 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5556 int i, n=squaresLeft[ANY], j=n-1, k;
5558 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5559 i = seed % k; // pick one
5562 while(i >= j) i -= j--;
5563 j = n - 1 - j; i += j;
5564 put(board, pieceType, rank, j, ANY);
5565 put(board, pieceType, rank, i, ANY);
5568 void SetUpShuffle(Board board, int number)
5572 GetPositionNumber(); nrOfShuffles = 1;
5574 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5575 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5576 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5578 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5580 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5581 p = (int) board[0][i];
5582 if(p < (int) BlackPawn) piecesLeft[p] ++;
5583 board[0][i] = EmptySquare;
5586 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5587 // shuffles restricted to allow normal castling put KRR first
5588 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5589 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5590 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5591 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5592 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5593 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5594 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5595 put(board, WhiteRook, 0, 0, ANY);
5596 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5599 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5600 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5601 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5602 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5603 while(piecesLeft[p] >= 2) {
5604 AddOnePiece(board, p, 0, LITE);
5605 AddOnePiece(board, p, 0, DARK);
5607 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5610 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5611 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5612 // but we leave King and Rooks for last, to possibly obey FRC restriction
5613 if(p == (int)WhiteRook) continue;
5614 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5615 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5618 // now everything is placed, except perhaps King (Unicorn) and Rooks
5620 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5621 // Last King gets castling rights
5622 while(piecesLeft[(int)WhiteUnicorn]) {
5623 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5624 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5627 while(piecesLeft[(int)WhiteKing]) {
5628 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5629 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5634 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5635 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5638 // Only Rooks can be left; simply place them all
5639 while(piecesLeft[(int)WhiteRook]) {
5640 i = put(board, WhiteRook, 0, 0, ANY);
5641 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5644 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5646 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5649 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5650 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5653 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5656 int SetCharTable( char *table, const char * map )
5657 /* [HGM] moved here from winboard.c because of its general usefulness */
5658 /* Basically a safe strcpy that uses the last character as King */
5660 int result = FALSE; int NrPieces;
5662 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5663 && NrPieces >= 12 && !(NrPieces&1)) {
5664 int i; /* [HGM] Accept even length from 12 to 34 */
5666 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5667 for( i=0; i<NrPieces/2-1; i++ ) {
5669 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5671 table[(int) WhiteKing] = map[NrPieces/2-1];
5672 table[(int) BlackKing] = map[NrPieces-1];
5680 void Prelude(Board board)
5681 { // [HGM] superchess: random selection of exo-pieces
5682 int i, j, k; ChessSquare p;
5683 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5685 GetPositionNumber(); // use FRC position number
5687 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5688 SetCharTable(pieceToChar, appData.pieceToCharTable);
5689 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5690 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5693 j = seed%4; seed /= 4;
5694 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5695 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5696 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5697 j = seed%3 + (seed%3 >= j); seed /= 3;
5698 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5699 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5700 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5701 j = seed%3; seed /= 3;
5702 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5703 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5704 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5705 j = seed%2 + (seed%2 >= j); seed /= 2;
5706 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5707 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5708 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5709 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5710 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5711 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5712 put(board, exoPieces[0], 0, 0, ANY);
5713 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5717 InitPosition(redraw)
5720 ChessSquare (* pieces)[BOARD_FILES];
5721 int i, j, pawnRow, overrule,
5722 oldx = gameInfo.boardWidth,
5723 oldy = gameInfo.boardHeight,
5724 oldh = gameInfo.holdingsWidth;
5727 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5729 /* [AS] Initialize pv info list [HGM] and game status */
5731 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5732 pvInfoList[i].depth = 0;
5733 boards[i][EP_STATUS] = EP_NONE;
5734 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5737 initialRulePlies = 0; /* 50-move counter start */
5739 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5740 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5744 /* [HGM] logic here is completely changed. In stead of full positions */
5745 /* the initialized data only consist of the two backranks. The switch */
5746 /* selects which one we will use, which is than copied to the Board */
5747 /* initialPosition, which for the rest is initialized by Pawns and */
5748 /* empty squares. This initial position is then copied to boards[0], */
5749 /* possibly after shuffling, so that it remains available. */
5751 gameInfo.holdingsWidth = 0; /* default board sizes */
5752 gameInfo.boardWidth = 8;
5753 gameInfo.boardHeight = 8;
5754 gameInfo.holdingsSize = 0;
5755 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5756 for(i=0; i<BOARD_FILES-2; i++)
5757 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5758 initialPosition[EP_STATUS] = EP_NONE;
5759 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5760 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5761 SetCharTable(pieceNickName, appData.pieceNickNames);
5762 else SetCharTable(pieceNickName, "............");
5765 switch (gameInfo.variant) {
5766 case VariantFischeRandom:
5767 shuffleOpenings = TRUE;
5770 case VariantShatranj:
5771 pieces = ShatranjArray;
5772 nrCastlingRights = 0;
5773 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5776 pieces = makrukArray;
5777 nrCastlingRights = 0;
5778 startedFromSetupPosition = TRUE;
5779 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5781 case VariantTwoKings:
5782 pieces = twoKingsArray;
5785 pieces = GrandArray;
5786 nrCastlingRights = 0;
5787 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5788 gameInfo.boardWidth = 10;
5789 gameInfo.boardHeight = 10;
5790 gameInfo.holdingsSize = 7;
5792 case VariantCapaRandom:
5793 shuffleOpenings = TRUE;
5794 case VariantCapablanca:
5795 pieces = CapablancaArray;
5796 gameInfo.boardWidth = 10;
5797 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5800 pieces = GothicArray;
5801 gameInfo.boardWidth = 10;
5802 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5805 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5806 gameInfo.holdingsSize = 7;
5809 pieces = JanusArray;
5810 gameInfo.boardWidth = 10;
5811 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5812 nrCastlingRights = 6;
5813 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5814 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5815 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5816 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5817 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5818 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5821 pieces = FalconArray;
5822 gameInfo.boardWidth = 10;
5823 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5825 case VariantXiangqi:
5826 pieces = XiangqiArray;
5827 gameInfo.boardWidth = 9;
5828 gameInfo.boardHeight = 10;
5829 nrCastlingRights = 0;
5830 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5833 pieces = ShogiArray;
5834 gameInfo.boardWidth = 9;
5835 gameInfo.boardHeight = 9;
5836 gameInfo.holdingsSize = 7;
5837 nrCastlingRights = 0;
5838 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5840 case VariantCourier:
5841 pieces = CourierArray;
5842 gameInfo.boardWidth = 12;
5843 nrCastlingRights = 0;
5844 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5846 case VariantKnightmate:
5847 pieces = KnightmateArray;
5848 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5850 case VariantSpartan:
5851 pieces = SpartanArray;
5852 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5855 pieces = fairyArray;
5856 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5859 pieces = GreatArray;
5860 gameInfo.boardWidth = 10;
5861 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5862 gameInfo.holdingsSize = 8;
5866 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5867 gameInfo.holdingsSize = 8;
5868 startedFromSetupPosition = TRUE;
5870 case VariantCrazyhouse:
5871 case VariantBughouse:
5873 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5874 gameInfo.holdingsSize = 5;
5876 case VariantWildCastle:
5878 /* !!?shuffle with kings guaranteed to be on d or e file */
5879 shuffleOpenings = 1;
5881 case VariantNoCastle:
5883 nrCastlingRights = 0;
5884 /* !!?unconstrained back-rank shuffle */
5885 shuffleOpenings = 1;
5890 if(appData.NrFiles >= 0) {
5891 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5892 gameInfo.boardWidth = appData.NrFiles;
5894 if(appData.NrRanks >= 0) {
5895 gameInfo.boardHeight = appData.NrRanks;
5897 if(appData.holdingsSize >= 0) {
5898 i = appData.holdingsSize;
5899 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5900 gameInfo.holdingsSize = i;
5902 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5903 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5904 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5906 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5907 if(pawnRow < 1) pawnRow = 1;
5908 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5910 /* User pieceToChar list overrules defaults */
5911 if(appData.pieceToCharTable != NULL)
5912 SetCharTable(pieceToChar, appData.pieceToCharTable);
5914 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5916 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5917 s = (ChessSquare) 0; /* account holding counts in guard band */
5918 for( i=0; i<BOARD_HEIGHT; i++ )
5919 initialPosition[i][j] = s;
5921 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5922 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5923 initialPosition[pawnRow][j] = WhitePawn;
5924 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5925 if(gameInfo.variant == VariantXiangqi) {
5927 initialPosition[pawnRow][j] =
5928 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5929 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5930 initialPosition[2][j] = WhiteCannon;
5931 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5935 if(gameInfo.variant == VariantGrand) {
5936 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5937 initialPosition[0][j] = WhiteRook;
5938 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5941 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5943 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5946 initialPosition[1][j] = WhiteBishop;
5947 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5949 initialPosition[1][j] = WhiteRook;
5950 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5953 if( nrCastlingRights == -1) {
5954 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5955 /* This sets default castling rights from none to normal corners */
5956 /* Variants with other castling rights must set them themselves above */
5957 nrCastlingRights = 6;
5959 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5960 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5961 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5962 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5963 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5964 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5967 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5968 if(gameInfo.variant == VariantGreat) { // promotion commoners
5969 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5970 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5971 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5972 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5974 if( gameInfo.variant == VariantSChess ) {
5975 initialPosition[1][0] = BlackMarshall;
5976 initialPosition[2][0] = BlackAngel;
5977 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5978 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5979 initialPosition[1][1] = initialPosition[2][1] =
5980 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5982 if (appData.debugMode) {
5983 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5985 if(shuffleOpenings) {
5986 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5987 startedFromSetupPosition = TRUE;
5989 if(startedFromPositionFile) {
5990 /* [HGM] loadPos: use PositionFile for every new game */
5991 CopyBoard(initialPosition, filePosition);
5992 for(i=0; i<nrCastlingRights; i++)
5993 initialRights[i] = filePosition[CASTLING][i];
5994 startedFromSetupPosition = TRUE;
5997 CopyBoard(boards[0], initialPosition);
5999 if(oldx != gameInfo.boardWidth ||
6000 oldy != gameInfo.boardHeight ||
6001 oldv != gameInfo.variant ||
6002 oldh != gameInfo.holdingsWidth
6004 InitDrawingSizes(-2 ,0);
6006 oldv = gameInfo.variant;
6008 DrawPosition(TRUE, boards[currentMove]);
6012 SendBoard(cps, moveNum)
6013 ChessProgramState *cps;
6016 char message[MSG_SIZ];
6018 if (cps->useSetboard) {
6019 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6020 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6021 SendToProgram(message, cps);
6026 int i, j, left=0, right=BOARD_WIDTH;
6027 /* Kludge to set black to move, avoiding the troublesome and now
6028 * deprecated "black" command.
6030 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6031 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6033 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6035 SendToProgram("edit\n", cps);
6036 SendToProgram("#\n", cps);
6037 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6038 bp = &boards[moveNum][i][left];
6039 for (j = left; j < right; j++, bp++) {
6040 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6041 if ((int) *bp < (int) BlackPawn) {
6042 if(j == BOARD_RGHT+1)
6043 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6044 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6045 if(message[0] == '+' || message[0] == '~') {
6046 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6047 PieceToChar((ChessSquare)(DEMOTED *bp)),
6050 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6051 message[1] = BOARD_RGHT - 1 - j + '1';
6052 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6054 SendToProgram(message, cps);
6059 SendToProgram("c\n", cps);
6060 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6061 bp = &boards[moveNum][i][left];
6062 for (j = left; j < right; j++, bp++) {
6063 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6064 if (((int) *bp != (int) EmptySquare)
6065 && ((int) *bp >= (int) BlackPawn)) {
6066 if(j == BOARD_LEFT-2)
6067 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6068 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6070 if(message[0] == '+' || message[0] == '~') {
6071 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6072 PieceToChar((ChessSquare)(DEMOTED *bp)),
6075 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6076 message[1] = BOARD_RGHT - 1 - j + '1';
6077 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6079 SendToProgram(message, cps);
6084 SendToProgram(".\n", cps);
6086 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6090 DefaultPromoChoice(int white)
6093 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6094 result = WhiteFerz; // no choice
6095 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6096 result= WhiteKing; // in Suicide Q is the last thing we want
6097 else if(gameInfo.variant == VariantSpartan)
6098 result = white ? WhiteQueen : WhiteAngel;
6099 else result = WhiteQueen;
6100 if(!white) result = WHITE_TO_BLACK result;
6104 static int autoQueen; // [HGM] oneclick
6107 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6109 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6110 /* [HGM] add Shogi promotions */
6111 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6116 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6117 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6119 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6120 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6123 piece = boards[currentMove][fromY][fromX];
6124 if(gameInfo.variant == VariantShogi) {
6125 promotionZoneSize = BOARD_HEIGHT/3;
6126 highestPromotingPiece = (int)WhiteFerz;
6127 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6128 promotionZoneSize = 3;
6131 // Treat Lance as Pawn when it is not representing Amazon
6132 if(gameInfo.variant != VariantSuper) {
6133 if(piece == WhiteLance) piece = WhitePawn; else
6134 if(piece == BlackLance) piece = BlackPawn;
6137 // next weed out all moves that do not touch the promotion zone at all
6138 if((int)piece >= BlackPawn) {
6139 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6141 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6143 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6144 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6147 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6149 // weed out mandatory Shogi promotions
6150 if(gameInfo.variant == VariantShogi) {
6151 if(piece >= BlackPawn) {
6152 if(toY == 0 && piece == BlackPawn ||
6153 toY == 0 && piece == BlackQueen ||
6154 toY <= 1 && piece == BlackKnight) {
6159 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6160 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6161 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6168 // weed out obviously illegal Pawn moves
6169 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6170 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6171 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6172 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6173 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6174 // note we are not allowed to test for valid (non-)capture, due to premove
6177 // we either have a choice what to promote to, or (in Shogi) whether to promote
6178 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6179 *promoChoice = PieceToChar(BlackFerz); // no choice
6182 // no sense asking what we must promote to if it is going to explode...
6183 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6184 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6187 // give caller the default choice even if we will not make it
6188 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6189 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6190 if( sweepSelect && gameInfo.variant != VariantGreat
6191 && gameInfo.variant != VariantGrand
6192 && gameInfo.variant != VariantSuper) return FALSE;
6193 if(autoQueen) return FALSE; // predetermined
6195 // suppress promotion popup on illegal moves that are not premoves
6196 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6197 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6198 if(appData.testLegality && !premove) {
6199 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6200 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6201 if(moveType != WhitePromotion && moveType != BlackPromotion)
6209 InPalace(row, column)
6211 { /* [HGM] for Xiangqi */
6212 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6213 column < (BOARD_WIDTH + 4)/2 &&
6214 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6219 PieceForSquare (x, y)
6223 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6226 return boards[currentMove][y][x];
6230 OKToStartUserMove(x, y)
6233 ChessSquare from_piece;
6236 if (matchMode) return FALSE;
6237 if (gameMode == EditPosition) return TRUE;
6239 if (x >= 0 && y >= 0)
6240 from_piece = boards[currentMove][y][x];
6242 from_piece = EmptySquare;
6244 if (from_piece == EmptySquare) return FALSE;
6246 white_piece = (int)from_piece >= (int)WhitePawn &&
6247 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6251 case TwoMachinesPlay:
6259 case MachinePlaysWhite:
6260 case IcsPlayingBlack:
6261 if (appData.zippyPlay) return FALSE;
6263 DisplayMoveError(_("You are playing Black"));
6268 case MachinePlaysBlack:
6269 case IcsPlayingWhite:
6270 if (appData.zippyPlay) return FALSE;
6272 DisplayMoveError(_("You are playing White"));
6277 case PlayFromGameFile:
6278 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6280 if (!white_piece && WhiteOnMove(currentMove)) {
6281 DisplayMoveError(_("It is White's turn"));
6284 if (white_piece && !WhiteOnMove(currentMove)) {
6285 DisplayMoveError(_("It is Black's turn"));
6288 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6289 /* Editing correspondence game history */
6290 /* Could disallow this or prompt for confirmation */
6295 case BeginningOfGame:
6296 if (appData.icsActive) return FALSE;
6297 if (!appData.noChessProgram) {
6299 DisplayMoveError(_("You are playing White"));
6306 if (!white_piece && WhiteOnMove(currentMove)) {
6307 DisplayMoveError(_("It is White's turn"));
6310 if (white_piece && !WhiteOnMove(currentMove)) {
6311 DisplayMoveError(_("It is Black's turn"));
6320 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6321 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6322 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6323 && gameMode != AnalyzeFile && gameMode != Training) {
6324 DisplayMoveError(_("Displayed position is not current"));
6331 OnlyMove(int *x, int *y, Boolean captures) {
6332 DisambiguateClosure cl;
6333 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6335 case MachinePlaysBlack:
6336 case IcsPlayingWhite:
6337 case BeginningOfGame:
6338 if(!WhiteOnMove(currentMove)) return FALSE;
6340 case MachinePlaysWhite:
6341 case IcsPlayingBlack:
6342 if(WhiteOnMove(currentMove)) return FALSE;
6349 cl.pieceIn = EmptySquare;
6354 cl.promoCharIn = NULLCHAR;
6355 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6356 if( cl.kind == NormalMove ||
6357 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6358 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6359 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6366 if(cl.kind != ImpossibleMove) return FALSE;
6367 cl.pieceIn = EmptySquare;
6372 cl.promoCharIn = NULLCHAR;
6373 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6374 if( cl.kind == NormalMove ||
6375 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6376 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6377 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6382 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6388 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6389 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6390 int lastLoadGameUseList = FALSE;
6391 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6392 ChessMove lastLoadGameStart = EndOfFile;
6395 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6396 int fromX, fromY, toX, toY;
6400 ChessSquare pdown, pup;
6402 /* Check if the user is playing in turn. This is complicated because we
6403 let the user "pick up" a piece before it is his turn. So the piece he
6404 tried to pick up may have been captured by the time he puts it down!
6405 Therefore we use the color the user is supposed to be playing in this
6406 test, not the color of the piece that is currently on the starting
6407 square---except in EditGame mode, where the user is playing both
6408 sides; fortunately there the capture race can't happen. (It can
6409 now happen in IcsExamining mode, but that's just too bad. The user
6410 will get a somewhat confusing message in that case.)
6415 case TwoMachinesPlay:
6419 /* We switched into a game mode where moves are not accepted,
6420 perhaps while the mouse button was down. */
6423 case MachinePlaysWhite:
6424 /* User is moving for Black */
6425 if (WhiteOnMove(currentMove)) {
6426 DisplayMoveError(_("It is White's turn"));
6431 case MachinePlaysBlack:
6432 /* User is moving for White */
6433 if (!WhiteOnMove(currentMove)) {
6434 DisplayMoveError(_("It is Black's turn"));
6439 case PlayFromGameFile:
6440 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6443 case BeginningOfGame:
6446 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6447 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6448 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6449 /* User is moving for Black */
6450 if (WhiteOnMove(currentMove)) {
6451 DisplayMoveError(_("It is White's turn"));
6455 /* User is moving for White */
6456 if (!WhiteOnMove(currentMove)) {
6457 DisplayMoveError(_("It is Black's turn"));
6463 case IcsPlayingBlack:
6464 /* User is moving for Black */
6465 if (WhiteOnMove(currentMove)) {
6466 if (!appData.premove) {
6467 DisplayMoveError(_("It is White's turn"));
6468 } else if (toX >= 0 && toY >= 0) {
6471 premoveFromX = fromX;
6472 premoveFromY = fromY;
6473 premovePromoChar = promoChar;
6475 if (appData.debugMode)
6476 fprintf(debugFP, "Got premove: fromX %d,"
6477 "fromY %d, toX %d, toY %d\n",
6478 fromX, fromY, toX, toY);
6484 case IcsPlayingWhite:
6485 /* User is moving for White */
6486 if (!WhiteOnMove(currentMove)) {
6487 if (!appData.premove) {
6488 DisplayMoveError(_("It is Black's turn"));
6489 } else if (toX >= 0 && toY >= 0) {
6492 premoveFromX = fromX;
6493 premoveFromY = fromY;
6494 premovePromoChar = promoChar;
6496 if (appData.debugMode)
6497 fprintf(debugFP, "Got premove: fromX %d,"
6498 "fromY %d, toX %d, toY %d\n",
6499 fromX, fromY, toX, toY);
6509 /* EditPosition, empty square, or different color piece;
6510 click-click move is possible */
6511 if (toX == -2 || toY == -2) {
6512 boards[0][fromY][fromX] = EmptySquare;
6513 DrawPosition(FALSE, boards[currentMove]);
6515 } else if (toX >= 0 && toY >= 0) {
6516 boards[0][toY][toX] = boards[0][fromY][fromX];
6517 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6518 if(boards[0][fromY][0] != EmptySquare) {
6519 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6520 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6523 if(fromX == BOARD_RGHT+1) {
6524 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6525 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6526 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6529 boards[0][fromY][fromX] = EmptySquare;
6530 DrawPosition(FALSE, boards[currentMove]);
6536 if(toX < 0 || toY < 0) return;
6537 pdown = boards[currentMove][fromY][fromX];
6538 pup = boards[currentMove][toY][toX];
6540 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6541 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6542 if( pup != EmptySquare ) return;
6543 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6544 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6545 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6546 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6547 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6548 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6549 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6553 /* [HGM] always test for legality, to get promotion info */
6554 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6555 fromY, fromX, toY, toX, promoChar);
6557 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6559 /* [HGM] but possibly ignore an IllegalMove result */
6560 if (appData.testLegality) {
6561 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6562 DisplayMoveError(_("Illegal move"));
6567 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6570 /* Common tail of UserMoveEvent and DropMenuEvent */
6572 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6574 int fromX, fromY, toX, toY;
6575 /*char*/int promoChar;
6579 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6580 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6581 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6582 if(WhiteOnMove(currentMove)) {
6583 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6585 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6589 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6590 move type in caller when we know the move is a legal promotion */
6591 if(moveType == NormalMove && promoChar)
6592 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6594 /* [HGM] <popupFix> The following if has been moved here from
6595 UserMoveEvent(). Because it seemed to belong here (why not allow
6596 piece drops in training games?), and because it can only be
6597 performed after it is known to what we promote. */
6598 if (gameMode == Training) {
6599 /* compare the move played on the board to the next move in the
6600 * game. If they match, display the move and the opponent's response.
6601 * If they don't match, display an error message.
6605 CopyBoard(testBoard, boards[currentMove]);
6606 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6608 if (CompareBoards(testBoard, boards[currentMove+1])) {
6609 ForwardInner(currentMove+1);
6611 /* Autoplay the opponent's response.
6612 * if appData.animate was TRUE when Training mode was entered,
6613 * the response will be animated.
6615 saveAnimate = appData.animate;
6616 appData.animate = animateTraining;
6617 ForwardInner(currentMove+1);
6618 appData.animate = saveAnimate;
6620 /* check for the end of the game */
6621 if (currentMove >= forwardMostMove) {
6622 gameMode = PlayFromGameFile;
6624 SetTrainingModeOff();
6625 DisplayInformation(_("End of game"));
6628 DisplayError(_("Incorrect move"), 0);
6633 /* Ok, now we know that the move is good, so we can kill
6634 the previous line in Analysis Mode */
6635 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6636 && currentMove < forwardMostMove) {
6637 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6638 else forwardMostMove = currentMove;
6641 /* If we need the chess program but it's dead, restart it */
6642 ResurrectChessProgram();
6644 /* A user move restarts a paused game*/
6648 thinkOutput[0] = NULLCHAR;
6650 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6652 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6653 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6657 if (gameMode == BeginningOfGame) {
6658 if (appData.noChessProgram) {
6659 gameMode = EditGame;
6663 gameMode = MachinePlaysBlack;
6666 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
6668 if (first.sendName) {
6669 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6670 SendToProgram(buf, &first);
6677 /* Relay move to ICS or chess engine */
6678 if (appData.icsActive) {
6679 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6680 gameMode == IcsExamining) {
6681 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6682 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6684 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6686 // also send plain move, in case ICS does not understand atomic claims
6687 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6691 if (first.sendTime && (gameMode == BeginningOfGame ||
6692 gameMode == MachinePlaysWhite ||
6693 gameMode == MachinePlaysBlack)) {
6694 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6696 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6697 // [HGM] book: if program might be playing, let it use book
6698 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6699 first.maybeThinking = TRUE;
6700 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6701 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6702 SendBoard(&first, currentMove+1);
6703 } else SendMoveToProgram(forwardMostMove-1, &first);
6704 if (currentMove == cmailOldMove + 1) {
6705 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6709 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6713 if(appData.testLegality)
6714 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6720 if (WhiteOnMove(currentMove)) {
6721 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6723 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6727 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6732 case MachinePlaysBlack:
6733 case MachinePlaysWhite:
6734 /* disable certain menu options while machine is thinking */
6735 SetMachineThinkingEnables();
6742 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6743 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6745 if(bookHit) { // [HGM] book: simulate book reply
6746 static char bookMove[MSG_SIZ]; // a bit generous?
6748 programStats.nodes = programStats.depth = programStats.time =
6749 programStats.score = programStats.got_only_move = 0;
6750 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6752 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6753 strcat(bookMove, bookHit);
6754 HandleMachineMove(bookMove, &first);
6760 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6767 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6768 Markers *m = (Markers *) closure;
6769 if(rf == fromY && ff == fromX)
6770 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6771 || kind == WhiteCapturesEnPassant
6772 || kind == BlackCapturesEnPassant);
6773 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6777 MarkTargetSquares(int clear)
6780 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6781 !appData.testLegality || gameMode == EditPosition) return;
6783 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6786 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6787 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6788 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6790 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6793 DrawPosition(TRUE, NULL);
6797 Explode(Board board, int fromX, int fromY, int toX, int toY)
6799 if(gameInfo.variant == VariantAtomic &&
6800 (board[toY][toX] != EmptySquare || // capture?
6801 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6802 board[fromY][fromX] == BlackPawn )
6804 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6810 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6812 int CanPromote(ChessSquare piece, int y)
6814 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6815 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6816 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6817 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6818 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6819 gameInfo.variant == VariantMakruk) return FALSE;
6820 return (piece == BlackPawn && y == 1 ||
6821 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6822 piece == BlackLance && y == 1 ||
6823 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6826 void LeftClick(ClickType clickType, int xPix, int yPix)
6829 Boolean saveAnimate;
6830 static int second = 0, promotionChoice = 0, clearFlag = 0;
6831 char promoChoice = NULLCHAR;
6834 if(appData.seekGraph && appData.icsActive && loggedOn &&
6835 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6836 SeekGraphClick(clickType, xPix, yPix, 0);
6840 if (clickType == Press) ErrorPopDown();
6842 x = EventToSquare(xPix, BOARD_WIDTH);
6843 y = EventToSquare(yPix, BOARD_HEIGHT);
6844 if (!flipView && y >= 0) {
6845 y = BOARD_HEIGHT - 1 - y;
6847 if (flipView && x >= 0) {
6848 x = BOARD_WIDTH - 1 - x;
6851 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6852 defaultPromoChoice = promoSweep;
6853 promoSweep = EmptySquare; // terminate sweep
6854 promoDefaultAltered = TRUE;
6855 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6858 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6859 if(clickType == Release) return; // ignore upclick of click-click destination
6860 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6861 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6862 if(gameInfo.holdingsWidth &&
6863 (WhiteOnMove(currentMove)
6864 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6865 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6866 // click in right holdings, for determining promotion piece
6867 ChessSquare p = boards[currentMove][y][x];
6868 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6869 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6870 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6871 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6876 DrawPosition(FALSE, boards[currentMove]);
6880 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6881 if(clickType == Press
6882 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6883 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6884 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6887 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6888 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6890 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6891 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6892 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6893 defaultPromoChoice = DefaultPromoChoice(side);
6896 autoQueen = appData.alwaysPromoteToQueen;
6900 gatingPiece = EmptySquare;
6901 if (clickType != Press) {
6902 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6903 DragPieceEnd(xPix, yPix); dragging = 0;
6904 DrawPosition(FALSE, NULL);
6908 fromX = x; fromY = y; toX = toY = -1;
6909 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6910 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6911 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6913 if (OKToStartUserMove(fromX, fromY)) {
6915 MarkTargetSquares(0);
6916 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6917 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6918 promoSweep = defaultPromoChoice;
6919 selectFlag = 0; lastX = xPix; lastY = yPix;
6920 Sweep(0); // Pawn that is going to promote: preview promotion piece
6921 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6923 if (appData.highlightDragging) {
6924 SetHighlights(fromX, fromY, -1, -1);
6926 } else fromX = fromY = -1;
6932 if (clickType == Press && gameMode != EditPosition) {
6937 // ignore off-board to clicks
6938 if(y < 0 || x < 0) return;
6940 /* Check if clicking again on the same color piece */
6941 fromP = boards[currentMove][fromY][fromX];
6942 toP = boards[currentMove][y][x];
6943 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6944 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6945 WhitePawn <= toP && toP <= WhiteKing &&
6946 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6947 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6948 (BlackPawn <= fromP && fromP <= BlackKing &&
6949 BlackPawn <= toP && toP <= BlackKing &&
6950 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6951 !(fromP == BlackKing && toP == BlackRook && frc))) {
6952 /* Clicked again on same color piece -- changed his mind */
6953 second = (x == fromX && y == fromY);
6954 promoDefaultAltered = FALSE;
6955 MarkTargetSquares(1);
6956 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6957 if (appData.highlightDragging) {
6958 SetHighlights(x, y, -1, -1);
6962 if (OKToStartUserMove(x, y)) {
6963 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6964 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6965 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6966 gatingPiece = boards[currentMove][fromY][fromX];
6967 else gatingPiece = EmptySquare;
6969 fromY = y; dragging = 1;
6970 MarkTargetSquares(0);
6971 DragPieceBegin(xPix, yPix, FALSE);
6972 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6973 promoSweep = defaultPromoChoice;
6974 selectFlag = 0; lastX = xPix; lastY = yPix;
6975 Sweep(0); // Pawn that is going to promote: preview promotion piece
6979 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6982 // ignore clicks on holdings
6983 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6986 if (clickType == Release && x == fromX && y == fromY) {
6987 DragPieceEnd(xPix, yPix); dragging = 0;
6989 // a deferred attempt to click-click move an empty square on top of a piece
6990 boards[currentMove][y][x] = EmptySquare;
6992 DrawPosition(FALSE, boards[currentMove]);
6993 fromX = fromY = -1; clearFlag = 0;
6996 if (appData.animateDragging) {
6997 /* Undo animation damage if any */
6998 DrawPosition(FALSE, NULL);
7001 /* Second up/down in same square; just abort move */
7004 gatingPiece = EmptySquare;
7007 ClearPremoveHighlights();
7009 /* First upclick in same square; start click-click mode */
7010 SetHighlights(x, y, -1, -1);
7017 /* we now have a different from- and (possibly off-board) to-square */
7018 /* Completed move */
7021 saveAnimate = appData.animate;
7022 MarkTargetSquares(1);
7023 if (clickType == Press) {
7024 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7025 // must be Edit Position mode with empty-square selected
7026 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7027 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7030 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7031 ChessSquare piece = boards[currentMove][fromY][fromX];
7032 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7033 promoSweep = defaultPromoChoice;
7034 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7035 selectFlag = 0; lastX = xPix; lastY = yPix;
7036 Sweep(0); // Pawn that is going to promote: preview promotion piece
7037 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7038 DrawPosition(FALSE, boards[currentMove]);
7041 /* Finish clickclick move */
7042 if (appData.animate || appData.highlightLastMove) {
7043 SetHighlights(fromX, fromY, toX, toY);
7048 /* Finish drag move */
7049 if (appData.highlightLastMove) {
7050 SetHighlights(fromX, fromY, toX, toY);
7054 DragPieceEnd(xPix, yPix); dragging = 0;
7055 /* Don't animate move and drag both */
7056 appData.animate = FALSE;
7059 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7060 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7061 ChessSquare piece = boards[currentMove][fromY][fromX];
7062 if(gameMode == EditPosition && piece != EmptySquare &&
7063 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7066 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7067 n = PieceToNumber(piece - (int)BlackPawn);
7068 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7069 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7070 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7072 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7073 n = PieceToNumber(piece);
7074 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7075 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7076 boards[currentMove][n][BOARD_WIDTH-2]++;
7078 boards[currentMove][fromY][fromX] = EmptySquare;
7082 DrawPosition(TRUE, boards[currentMove]);
7086 // off-board moves should not be highlighted
7087 if(x < 0 || y < 0) ClearHighlights();
7089 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7091 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7092 SetHighlights(fromX, fromY, toX, toY);
7093 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7094 // [HGM] super: promotion to captured piece selected from holdings
7095 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7096 promotionChoice = TRUE;
7097 // kludge follows to temporarily execute move on display, without promoting yet
7098 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7099 boards[currentMove][toY][toX] = p;
7100 DrawPosition(FALSE, boards[currentMove]);
7101 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7102 boards[currentMove][toY][toX] = q;
7103 DisplayMessage("Click in holdings to choose piece", "");
7108 int oldMove = currentMove;
7109 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7110 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7111 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7112 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7113 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7114 DrawPosition(TRUE, boards[currentMove]);
7117 appData.animate = saveAnimate;
7118 if (appData.animate || appData.animateDragging) {
7119 /* Undo animation damage if needed */
7120 DrawPosition(FALSE, NULL);
7124 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7125 { // front-end-free part taken out of PieceMenuPopup
7126 int whichMenu; int xSqr, ySqr;
7128 if(seekGraphUp) { // [HGM] seekgraph
7129 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7130 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7134 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7135 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7136 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7137 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7138 if(action == Press) {
7139 originalFlip = flipView;
7140 flipView = !flipView; // temporarily flip board to see game from partners perspective
7141 DrawPosition(TRUE, partnerBoard);
7142 DisplayMessage(partnerStatus, "");
7144 } else if(action == Release) {
7145 flipView = originalFlip;
7146 DrawPosition(TRUE, boards[currentMove]);
7152 xSqr = EventToSquare(x, BOARD_WIDTH);
7153 ySqr = EventToSquare(y, BOARD_HEIGHT);
7154 if (action == Release) {
7155 if(pieceSweep != EmptySquare) {
7156 EditPositionMenuEvent(pieceSweep, toX, toY);
7157 pieceSweep = EmptySquare;
7158 } else UnLoadPV(); // [HGM] pv
7160 if (action != Press) return -2; // return code to be ignored
7163 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7165 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7166 if (xSqr < 0 || ySqr < 0) return -1;
7167 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7168 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7169 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7170 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7174 if(!appData.icsEngineAnalyze) return -1;
7175 case IcsPlayingWhite:
7176 case IcsPlayingBlack:
7177 if(!appData.zippyPlay) goto noZip;
7180 case MachinePlaysWhite:
7181 case MachinePlaysBlack:
7182 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7183 if (!appData.dropMenu) {
7185 return 2; // flag front-end to grab mouse events
7187 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7188 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7191 if (xSqr < 0 || ySqr < 0) return -1;
7192 if (!appData.dropMenu || appData.testLegality &&
7193 gameInfo.variant != VariantBughouse &&
7194 gameInfo.variant != VariantCrazyhouse) return -1;
7195 whichMenu = 1; // drop menu
7201 if (((*fromX = xSqr) < 0) ||
7202 ((*fromY = ySqr) < 0)) {
7203 *fromX = *fromY = -1;
7207 *fromX = BOARD_WIDTH - 1 - *fromX;
7209 *fromY = BOARD_HEIGHT - 1 - *fromY;
7214 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7216 // char * hint = lastHint;
7217 FrontEndProgramStats stats;
7219 stats.which = cps == &first ? 0 : 1;
7220 stats.depth = cpstats->depth;
7221 stats.nodes = cpstats->nodes;
7222 stats.score = cpstats->score;
7223 stats.time = cpstats->time;
7224 stats.pv = cpstats->movelist;
7225 stats.hint = lastHint;
7226 stats.an_move_index = 0;
7227 stats.an_move_count = 0;
7229 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7230 stats.hint = cpstats->move_name;
7231 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7232 stats.an_move_count = cpstats->nr_moves;
7235 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
7237 SetProgramStats( &stats );
7241 ClearEngineOutputPane(int which)
7243 static FrontEndProgramStats dummyStats;
7244 dummyStats.which = which;
7245 dummyStats.pv = "#";
7246 SetProgramStats( &dummyStats );
7249 #define MAXPLAYERS 500
7252 TourneyStandings(int display)
7254 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7255 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7256 char result, *p, *names[MAXPLAYERS];
7258 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7259 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7260 names[0] = p = strdup(appData.participants);
7261 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7263 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7265 while(result = appData.results[nr]) {
7266 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7267 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7268 wScore = bScore = 0;
7270 case '+': wScore = 2; break;
7271 case '-': bScore = 2; break;
7272 case '=': wScore = bScore = 1; break;
7274 case '*': return strdup("busy"); // tourney not finished
7282 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7283 for(w=0; w<nPlayers; w++) {
7285 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7286 ranking[w] = b; points[w] = bScore; score[b] = -2;
7288 p = malloc(nPlayers*34+1);
7289 for(w=0; w<nPlayers && w<display; w++)
7290 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7296 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7297 { // count all piece types
7299 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7300 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7301 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7304 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7305 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7306 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7307 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7308 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7309 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7314 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7316 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7317 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7319 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7320 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7321 if(myPawns == 2 && nMine == 3) // KPP
7322 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7323 if(myPawns == 1 && nMine == 2) // KP
7324 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7325 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7326 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7327 if(myPawns) return FALSE;
7328 if(pCnt[WhiteRook+side])
7329 return pCnt[BlackRook-side] ||
7330 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7331 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7332 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7333 if(pCnt[WhiteCannon+side]) {
7334 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7335 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7337 if(pCnt[WhiteKnight+side])
7338 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7343 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7345 VariantClass v = gameInfo.variant;
7347 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7348 if(v == VariantShatranj) return TRUE; // always winnable through baring
7349 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7350 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7352 if(v == VariantXiangqi) {
7353 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7355 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7356 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7357 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7358 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7359 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7360 if(stale) // we have at least one last-rank P plus perhaps C
7361 return majors // KPKX
7362 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7364 return pCnt[WhiteFerz+side] // KCAK
7365 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7366 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7367 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7369 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7370 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7372 if(nMine == 1) return FALSE; // bare King
7373 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
7374 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7375 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7376 // by now we have King + 1 piece (or multiple Bishops on the same color)
7377 if(pCnt[WhiteKnight+side])
7378 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7379 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7380 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7382 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7383 if(pCnt[WhiteAlfil+side])
7384 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7385 if(pCnt[WhiteWazir+side])
7386 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7393 CompareWithRights(Board b1, Board b2)
7396 if(!CompareBoards(b1, b2)) return FALSE;
7397 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7398 /* compare castling rights */
7399 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7400 rights++; /* King lost rights, while rook still had them */
7401 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7402 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7403 rights++; /* but at least one rook lost them */
7405 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7407 if( b1[CASTLING][5] != NoRights ) {
7408 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7415 Adjudicate(ChessProgramState *cps)
7416 { // [HGM] some adjudications useful with buggy engines
7417 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7418 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7419 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7420 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7421 int k, count = 0; static int bare = 1;
7422 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7423 Boolean canAdjudicate = !appData.icsActive;
7425 // most tests only when we understand the game, i.e. legality-checking on
7426 if( appData.testLegality )
7427 { /* [HGM] Some more adjudications for obstinate engines */
7428 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7429 static int moveCount = 6;
7431 char *reason = NULL;
7433 /* Count what is on board. */
7434 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7436 /* Some material-based adjudications that have to be made before stalemate test */
7437 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7438 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7439 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7440 if(canAdjudicate && appData.checkMates) {
7442 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7443 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7444 "Xboard adjudication: King destroyed", GE_XBOARD );
7449 /* Bare King in Shatranj (loses) or Losers (wins) */
7450 if( nrW == 1 || nrB == 1) {
7451 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7452 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7453 if(canAdjudicate && appData.checkMates) {
7455 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7456 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7457 "Xboard adjudication: Bare king", GE_XBOARD );
7461 if( gameInfo.variant == VariantShatranj && --bare < 0)
7463 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7464 if(canAdjudicate && appData.checkMates) {
7465 /* but only adjudicate if adjudication enabled */
7467 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7468 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7469 "Xboard adjudication: Bare king", GE_XBOARD );
7476 // don't wait for engine to announce game end if we can judge ourselves
7477 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7479 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7480 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7481 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7482 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7485 reason = "Xboard adjudication: 3rd check";
7486 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7496 reason = "Xboard adjudication: Stalemate";
7497 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7498 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7499 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7500 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7501 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7502 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7503 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7504 EP_CHECKMATE : EP_WINS);
7505 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7506 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7510 reason = "Xboard adjudication: Checkmate";
7511 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7515 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7517 result = GameIsDrawn; break;
7519 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7521 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7525 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7527 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7528 GameEnds( result, reason, GE_XBOARD );
7532 /* Next absolutely insufficient mating material. */
7533 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7534 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7535 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7537 /* always flag draws, for judging claims */
7538 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7540 if(canAdjudicate && appData.materialDraws) {
7541 /* but only adjudicate them if adjudication enabled */
7542 if(engineOpponent) {
7543 SendToProgram("force\n", engineOpponent); // suppress reply
7544 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7546 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7551 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7552 if(gameInfo.variant == VariantXiangqi ?
7553 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7555 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7556 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7557 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7558 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7560 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7561 { /* if the first 3 moves do not show a tactical win, declare draw */
7562 if(engineOpponent) {
7563 SendToProgram("force\n", engineOpponent); // suppress reply
7564 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7566 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7569 } else moveCount = 6;
7571 if (appData.debugMode) { int i;
7572 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7573 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7574 appData.drawRepeats);
7575 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7576 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7580 // Repetition draws and 50-move rule can be applied independently of legality testing
7582 /* Check for rep-draws */
7584 for(k = forwardMostMove-2;
7585 k>=backwardMostMove && k>=forwardMostMove-100 &&
7586 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7587 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7590 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7591 /* compare castling rights */
7592 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7593 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7594 rights++; /* King lost rights, while rook still had them */
7595 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7596 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7597 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7598 rights++; /* but at least one rook lost them */
7600 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7601 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7603 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7604 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7605 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7608 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7609 && appData.drawRepeats > 1) {
7610 /* adjudicate after user-specified nr of repeats */
7611 int result = GameIsDrawn;
7612 char *details = "XBoard adjudication: repetition draw";
7613 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7614 // [HGM] xiangqi: check for forbidden perpetuals
7615 int m, ourPerpetual = 1, hisPerpetual = 1;
7616 for(m=forwardMostMove; m>k; m-=2) {
7617 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7618 ourPerpetual = 0; // the current mover did not always check
7619 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7620 hisPerpetual = 0; // the opponent did not always check
7622 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7623 ourPerpetual, hisPerpetual);
7624 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7625 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7626 details = "Xboard adjudication: perpetual checking";
7628 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7629 break; // (or we would have caught him before). Abort repetition-checking loop.
7631 // Now check for perpetual chases
7632 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7633 hisPerpetual = PerpetualChase(k, forwardMostMove);
7634 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7635 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7636 static char resdet[MSG_SIZ];
7637 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7639 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7641 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7642 break; // Abort repetition-checking loop.
7644 // if neither of us is checking or chasing all the time, or both are, it is draw
7646 if(engineOpponent) {
7647 SendToProgram("force\n", engineOpponent); // suppress reply
7648 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7650 GameEnds( result, details, GE_XBOARD );
7653 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7654 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7658 /* Now we test for 50-move draws. Determine ply count */
7659 count = forwardMostMove;
7660 /* look for last irreversble move */
7661 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7663 /* if we hit starting position, add initial plies */
7664 if( count == backwardMostMove )
7665 count -= initialRulePlies;
7666 count = forwardMostMove - count;
7667 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7668 // adjust reversible move counter for checks in Xiangqi
7669 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7670 if(i < backwardMostMove) i = backwardMostMove;
7671 while(i <= forwardMostMove) {
7672 lastCheck = inCheck; // check evasion does not count
7673 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7674 if(inCheck || lastCheck) count--; // check does not count
7679 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7680 /* this is used to judge if draw claims are legal */
7681 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7682 if(engineOpponent) {
7683 SendToProgram("force\n", engineOpponent); // suppress reply
7684 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7686 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7690 /* if draw offer is pending, treat it as a draw claim
7691 * when draw condition present, to allow engines a way to
7692 * claim draws before making their move to avoid a race
7693 * condition occurring after their move
7695 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7697 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7698 p = "Draw claim: 50-move rule";
7699 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7700 p = "Draw claim: 3-fold repetition";
7701 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7702 p = "Draw claim: insufficient mating material";
7703 if( p != NULL && canAdjudicate) {
7704 if(engineOpponent) {
7705 SendToProgram("force\n", engineOpponent); // suppress reply
7706 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7708 GameEnds( GameIsDrawn, p, GE_XBOARD );
7713 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
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, "Xboard adjudication: long game", GE_XBOARD );
7724 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7725 { // [HGM] book: this routine intercepts moves to simulate book replies
7726 char *bookHit = NULL;
7728 //first determine if the incoming move brings opponent into his book
7729 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7730 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7731 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7732 if(bookHit != NULL && !cps->bookSuspend) {
7733 // make sure opponent is not going to reply after receiving move to book position
7734 SendToProgram("force\n", cps);
7735 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7737 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7738 // now arrange restart after book miss
7740 // after a book hit we never send 'go', and the code after the call to this routine
7741 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7742 char buf[MSG_SIZ], *move = bookHit;
7744 int fromX, fromY, toX, toY;
7748 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7749 &fromX, &fromY, &toX, &toY, &promoChar)) {
7750 (void) CoordsToAlgebraic(boards[forwardMostMove],
7751 PosFlags(forwardMostMove),
7752 fromY, fromX, toY, toX, promoChar, move);
7754 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7758 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7759 SendToProgram(buf, cps);
7760 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7761 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7762 SendToProgram("go\n", cps);
7763 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7764 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7765 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7766 SendToProgram("go\n", cps);
7767 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7769 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7773 ChessProgramState *savedState;
7774 void DeferredBookMove(void)
7776 if(savedState->lastPing != savedState->lastPong)
7777 ScheduleDelayedEvent(DeferredBookMove, 10);
7779 HandleMachineMove(savedMessage, savedState);
7782 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7785 HandleMachineMove(message, cps)
7787 ChessProgramState *cps;
7789 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7790 char realname[MSG_SIZ];
7791 int fromX, fromY, toX, toY;
7798 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7799 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7800 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7801 DisplayError(_("Invalid pairing from pairing engine"), 0);
7804 pairingReceived = 1;
7806 return; // Skim the pairing messages here.
7811 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7813 * Kludge to ignore BEL characters
7815 while (*message == '\007') message++;
7818 * [HGM] engine debug message: ignore lines starting with '#' character
7820 if(cps->debug && *message == '#') return;
7823 * Look for book output
7825 if (cps == &first && bookRequested) {
7826 if (message[0] == '\t' || message[0] == ' ') {
7827 /* Part of the book output is here; append it */
7828 strcat(bookOutput, message);
7829 strcat(bookOutput, " \n");
7831 } else if (bookOutput[0] != NULLCHAR) {
7832 /* All of book output has arrived; display it */
7833 char *p = bookOutput;
7834 while (*p != NULLCHAR) {
7835 if (*p == '\t') *p = ' ';
7838 DisplayInformation(bookOutput);
7839 bookRequested = FALSE;
7840 /* Fall through to parse the current output */
7845 * Look for machine move.
7847 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7848 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7850 /* This method is only useful on engines that support ping */
7851 if (cps->lastPing != cps->lastPong) {
7852 if (gameMode == BeginningOfGame) {
7853 /* Extra move from before last new; ignore */
7854 if (appData.debugMode) {
7855 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7858 if (appData.debugMode) {
7859 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7860 cps->which, gameMode);
7863 SendToProgram("undo\n", cps);
7869 case BeginningOfGame:
7870 /* Extra move from before last reset; ignore */
7871 if (appData.debugMode) {
7872 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7879 /* Extra move after we tried to stop. The mode test is
7880 not a reliable way of detecting this problem, but it's
7881 the best we can do on engines that don't support ping.
7883 if (appData.debugMode) {
7884 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7885 cps->which, gameMode);
7887 SendToProgram("undo\n", cps);
7890 case MachinePlaysWhite:
7891 case IcsPlayingWhite:
7892 machineWhite = TRUE;
7895 case MachinePlaysBlack:
7896 case IcsPlayingBlack:
7897 machineWhite = FALSE;
7900 case TwoMachinesPlay:
7901 machineWhite = (cps->twoMachinesColor[0] == 'w');
7904 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7905 if (appData.debugMode) {
7907 "Ignoring move out of turn by %s, gameMode %d"
7908 ", forwardMost %d\n",
7909 cps->which, gameMode, forwardMostMove);
7914 if (appData.debugMode) { int f = forwardMostMove;
7915 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7916 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7917 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7919 if(cps->alphaRank) AlphaRank(machineMove, 4);
7920 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7921 &fromX, &fromY, &toX, &toY, &promoChar)) {
7922 /* Machine move could not be parsed; ignore it. */
7923 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7924 machineMove, _(cps->which));
7925 DisplayError(buf1, 0);
7926 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7927 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7928 if (gameMode == TwoMachinesPlay) {
7929 GameEnds(machineWhite ? BlackWins : WhiteWins,
7935 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7936 /* So we have to redo legality test with true e.p. status here, */
7937 /* to make sure an illegal e.p. capture does not slip through, */
7938 /* to cause a forfeit on a justified illegal-move complaint */
7939 /* of the opponent. */
7940 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7942 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7943 fromY, fromX, toY, toX, promoChar);
7944 if (appData.debugMode) {
7946 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7947 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7948 fprintf(debugFP, "castling rights\n");
7950 if(moveType == IllegalMove) {
7951 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7952 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7953 GameEnds(machineWhite ? BlackWins : WhiteWins,
7956 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7957 /* [HGM] Kludge to handle engines that send FRC-style castling
7958 when they shouldn't (like TSCP-Gothic) */
7960 case WhiteASideCastleFR:
7961 case BlackASideCastleFR:
7963 currentMoveString[2]++;
7965 case WhiteHSideCastleFR:
7966 case BlackHSideCastleFR:
7968 currentMoveString[2]--;
7970 default: ; // nothing to do, but suppresses warning of pedantic compilers
7973 hintRequested = FALSE;
7974 lastHint[0] = NULLCHAR;
7975 bookRequested = FALSE;
7976 /* Program may be pondering now */
7977 cps->maybeThinking = TRUE;
7978 if (cps->sendTime == 2) cps->sendTime = 1;
7979 if (cps->offeredDraw) cps->offeredDraw--;
7981 /* [AS] Save move info*/
7982 pvInfoList[ forwardMostMove ].score = programStats.score;
7983 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7984 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7986 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7988 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7989 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7992 while( count < adjudicateLossPlies ) {
7993 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7996 score = -score; /* Flip score for winning side */
7999 if( score > adjudicateLossThreshold ) {
8006 if( count >= adjudicateLossPlies ) {
8007 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8009 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8010 "Xboard adjudication",
8017 if(Adjudicate(cps)) {
8018 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8019 return; // [HGM] adjudicate: for all automatic game ends
8023 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8025 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8026 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8028 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8030 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8032 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8033 char buf[3*MSG_SIZ];
8035 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8036 programStats.score / 100.,
8038 programStats.time / 100.,
8039 (unsigned int)programStats.nodes,
8040 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8041 programStats.movelist);
8043 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8048 /* [AS] Clear stats for next move */
8049 ClearProgramStats();
8050 thinkOutput[0] = NULLCHAR;
8051 hiddenThinkOutputState = 0;
8054 if (gameMode == TwoMachinesPlay) {
8055 /* [HGM] relaying draw offers moved to after reception of move */
8056 /* and interpreting offer as claim if it brings draw condition */
8057 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8058 SendToProgram("draw\n", cps->other);
8060 if (cps->other->sendTime) {
8061 SendTimeRemaining(cps->other,
8062 cps->other->twoMachinesColor[0] == 'w');
8064 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8065 if (firstMove && !bookHit) {
8067 if (cps->other->useColors) {
8068 SendToProgram(cps->other->twoMachinesColor, cps->other);
8070 SendToProgram("go\n", cps->other);
8072 cps->other->maybeThinking = TRUE;
8075 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8077 if (!pausing && appData.ringBellAfterMoves) {
8082 * Reenable menu items that were disabled while
8083 * machine was thinking
8085 if (gameMode != TwoMachinesPlay)
8086 SetUserThinkingEnables();
8088 // [HGM] book: after book hit opponent has received move and is now in force mode
8089 // force the book reply into it, and then fake that it outputted this move by jumping
8090 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8092 static char bookMove[MSG_SIZ]; // a bit generous?
8094 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8095 strcat(bookMove, bookHit);
8098 programStats.nodes = programStats.depth = programStats.time =
8099 programStats.score = programStats.got_only_move = 0;
8100 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8102 if(cps->lastPing != cps->lastPong) {
8103 savedMessage = message; // args for deferred call
8105 ScheduleDelayedEvent(DeferredBookMove, 10);
8114 /* Set special modes for chess engines. Later something general
8115 * could be added here; for now there is just one kludge feature,
8116 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8117 * when "xboard" is given as an interactive command.
8119 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8120 cps->useSigint = FALSE;
8121 cps->useSigterm = FALSE;
8123 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8124 ParseFeatures(message+8, cps);
8125 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8128 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8129 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8130 int dummy, s=6; char buf[MSG_SIZ];
8131 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8132 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8133 if(startedFromSetupPosition) return;
8134 ParseFEN(boards[0], &dummy, message+s);
8135 DrawPosition(TRUE, boards[0]);
8136 startedFromSetupPosition = TRUE;
8139 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8140 * want this, I was asked to put it in, and obliged.
8142 if (!strncmp(message, "setboard ", 9)) {
8143 Board initial_position;
8145 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8147 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8148 DisplayError(_("Bad FEN received from engine"), 0);
8152 CopyBoard(boards[0], initial_position);
8153 initialRulePlies = FENrulePlies;
8154 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8155 else gameMode = MachinePlaysBlack;
8156 DrawPosition(FALSE, boards[currentMove]);
8162 * Look for communication commands
8164 if (!strncmp(message, "telluser ", 9)) {
8165 if(message[9] == '\\' && message[10] == '\\')
8166 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8168 DisplayNote(message + 9);
8171 if (!strncmp(message, "tellusererror ", 14)) {
8173 if(message[14] == '\\' && message[15] == '\\')
8174 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8176 DisplayError(message + 14, 0);
8179 if (!strncmp(message, "tellopponent ", 13)) {
8180 if (appData.icsActive) {
8182 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8186 DisplayNote(message + 13);
8190 if (!strncmp(message, "tellothers ", 11)) {
8191 if (appData.icsActive) {
8193 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8199 if (!strncmp(message, "tellall ", 8)) {
8200 if (appData.icsActive) {
8202 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8206 DisplayNote(message + 8);
8210 if (strncmp(message, "warning", 7) == 0) {
8211 /* Undocumented feature, use tellusererror in new code */
8212 DisplayError(message, 0);
8215 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8216 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8217 strcat(realname, " query");
8218 AskQuestion(realname, buf2, buf1, cps->pr);
8221 /* Commands from the engine directly to ICS. We don't allow these to be
8222 * sent until we are logged on. Crafty kibitzes have been known to
8223 * interfere with the login process.
8226 if (!strncmp(message, "tellics ", 8)) {
8227 SendToICS(message + 8);
8231 if (!strncmp(message, "tellicsnoalias ", 15)) {
8232 SendToICS(ics_prefix);
8233 SendToICS(message + 15);
8237 /* The following are for backward compatibility only */
8238 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8239 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8240 SendToICS(ics_prefix);
8246 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8250 * If the move is illegal, cancel it and redraw the board.
8251 * Also deal with other error cases. Matching is rather loose
8252 * here to accommodate engines written before the spec.
8254 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8255 strncmp(message, "Error", 5) == 0) {
8256 if (StrStr(message, "name") ||
8257 StrStr(message, "rating") || StrStr(message, "?") ||
8258 StrStr(message, "result") || StrStr(message, "board") ||
8259 StrStr(message, "bk") || StrStr(message, "computer") ||
8260 StrStr(message, "variant") || StrStr(message, "hint") ||
8261 StrStr(message, "random") || StrStr(message, "depth") ||
8262 StrStr(message, "accepted")) {
8265 if (StrStr(message, "protover")) {
8266 /* Program is responding to input, so it's apparently done
8267 initializing, and this error message indicates it is
8268 protocol version 1. So we don't need to wait any longer
8269 for it to initialize and send feature commands. */
8270 FeatureDone(cps, 1);
8271 cps->protocolVersion = 1;
8274 cps->maybeThinking = FALSE;
8276 if (StrStr(message, "draw")) {
8277 /* Program doesn't have "draw" command */
8278 cps->sendDrawOffers = 0;
8281 if (cps->sendTime != 1 &&
8282 (StrStr(message, "time") || StrStr(message, "otim"))) {
8283 /* Program apparently doesn't have "time" or "otim" command */
8287 if (StrStr(message, "analyze")) {
8288 cps->analysisSupport = FALSE;
8289 cps->analyzing = FALSE;
8290 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8291 EditGameEvent(); // [HGM] try to preserve loaded game
8292 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8293 DisplayError(buf2, 0);
8296 if (StrStr(message, "(no matching move)st")) {
8297 /* Special kludge for GNU Chess 4 only */
8298 cps->stKludge = TRUE;
8299 SendTimeControl(cps, movesPerSession, timeControl,
8300 timeIncrement, appData.searchDepth,
8304 if (StrStr(message, "(no matching move)sd")) {
8305 /* Special kludge for GNU Chess 4 only */
8306 cps->sdKludge = TRUE;
8307 SendTimeControl(cps, movesPerSession, timeControl,
8308 timeIncrement, appData.searchDepth,
8312 if (!StrStr(message, "llegal")) {
8315 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8316 gameMode == IcsIdle) return;
8317 if (forwardMostMove <= backwardMostMove) return;
8318 if (pausing) PauseEvent();
8319 if(appData.forceIllegal) {
8320 // [HGM] illegal: machine refused move; force position after move into it
8321 SendToProgram("force\n", cps);
8322 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8323 // we have a real problem now, as SendBoard will use the a2a3 kludge
8324 // when black is to move, while there might be nothing on a2 or black
8325 // might already have the move. So send the board as if white has the move.
8326 // But first we must change the stm of the engine, as it refused the last move
8327 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8328 if(WhiteOnMove(forwardMostMove)) {
8329 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8330 SendBoard(cps, forwardMostMove); // kludgeless board
8332 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8333 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8334 SendBoard(cps, forwardMostMove+1); // kludgeless board
8336 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8337 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8338 gameMode == TwoMachinesPlay)
8339 SendToProgram("go\n", cps);
8342 if (gameMode == PlayFromGameFile) {
8343 /* Stop reading this game file */
8344 gameMode = EditGame;
8347 /* [HGM] illegal-move claim should forfeit game when Xboard */
8348 /* only passes fully legal moves */
8349 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8350 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8351 "False illegal-move claim", GE_XBOARD );
8352 return; // do not take back move we tested as valid
8354 currentMove = forwardMostMove-1;
8355 DisplayMove(currentMove-1); /* before DisplayMoveError */
8356 SwitchClocks(forwardMostMove-1); // [HGM] race
8357 DisplayBothClocks();
8358 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8359 parseList[currentMove], _(cps->which));
8360 DisplayMoveError(buf1);
8361 DrawPosition(FALSE, boards[currentMove]);
8364 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8365 /* Program has a broken "time" command that
8366 outputs a string not ending in newline.
8372 * If chess program startup fails, exit with an error message.
8373 * Attempts to recover here are futile.
8375 if ((StrStr(message, "unknown host") != NULL)
8376 || (StrStr(message, "No remote directory") != NULL)
8377 || (StrStr(message, "not found") != NULL)
8378 || (StrStr(message, "No such file") != NULL)
8379 || (StrStr(message, "can't alloc") != NULL)
8380 || (StrStr(message, "Permission denied") != NULL)) {
8382 cps->maybeThinking = FALSE;
8383 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8384 _(cps->which), cps->program, cps->host, message);
8385 RemoveInputSource(cps->isr);
8386 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8387 if(cps == &first) appData.noChessProgram = TRUE;
8388 DisplayError(buf1, 0);
8394 * Look for hint output
8396 if (sscanf(message, "Hint: %s", buf1) == 1) {
8397 if (cps == &first && hintRequested) {
8398 hintRequested = FALSE;
8399 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8400 &fromX, &fromY, &toX, &toY, &promoChar)) {
8401 (void) CoordsToAlgebraic(boards[forwardMostMove],
8402 PosFlags(forwardMostMove),
8403 fromY, fromX, toY, toX, promoChar, buf1);
8404 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8405 DisplayInformation(buf2);
8407 /* Hint move could not be parsed!? */
8408 snprintf(buf2, sizeof(buf2),
8409 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8410 buf1, _(cps->which));
8411 DisplayError(buf2, 0);
8414 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8420 * Ignore other messages if game is not in progress
8422 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8423 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8426 * look for win, lose, draw, or draw offer
8428 if (strncmp(message, "1-0", 3) == 0) {
8429 char *p, *q, *r = "";
8430 p = strchr(message, '{');
8438 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8440 } else if (strncmp(message, "0-1", 3) == 0) {
8441 char *p, *q, *r = "";
8442 p = strchr(message, '{');
8450 /* Kludge for Arasan 4.1 bug */
8451 if (strcmp(r, "Black resigns") == 0) {
8452 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8455 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8457 } else if (strncmp(message, "1/2", 3) == 0) {
8458 char *p, *q, *r = "";
8459 p = strchr(message, '{');
8468 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8471 } else if (strncmp(message, "White resign", 12) == 0) {
8472 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8474 } else if (strncmp(message, "Black resign", 12) == 0) {
8475 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8477 } else if (strncmp(message, "White matches", 13) == 0 ||
8478 strncmp(message, "Black matches", 13) == 0 ) {
8479 /* [HGM] ignore GNUShogi noises */
8481 } else if (strncmp(message, "White", 5) == 0 &&
8482 message[5] != '(' &&
8483 StrStr(message, "Black") == NULL) {
8484 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8486 } else if (strncmp(message, "Black", 5) == 0 &&
8487 message[5] != '(') {
8488 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8490 } else if (strcmp(message, "resign") == 0 ||
8491 strcmp(message, "computer resigns") == 0) {
8493 case MachinePlaysBlack:
8494 case IcsPlayingBlack:
8495 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8497 case MachinePlaysWhite:
8498 case IcsPlayingWhite:
8499 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8501 case TwoMachinesPlay:
8502 if (cps->twoMachinesColor[0] == 'w')
8503 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8505 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8512 } else if (strncmp(message, "opponent mates", 14) == 0) {
8514 case MachinePlaysBlack:
8515 case IcsPlayingBlack:
8516 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8518 case MachinePlaysWhite:
8519 case IcsPlayingWhite:
8520 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8522 case TwoMachinesPlay:
8523 if (cps->twoMachinesColor[0] == 'w')
8524 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8526 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8533 } else if (strncmp(message, "computer mates", 14) == 0) {
8535 case MachinePlaysBlack:
8536 case IcsPlayingBlack:
8537 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8539 case MachinePlaysWhite:
8540 case IcsPlayingWhite:
8541 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8543 case TwoMachinesPlay:
8544 if (cps->twoMachinesColor[0] == 'w')
8545 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8547 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8554 } else if (strncmp(message, "checkmate", 9) == 0) {
8555 if (WhiteOnMove(forwardMostMove)) {
8556 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8558 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8561 } else if (strstr(message, "Draw") != NULL ||
8562 strstr(message, "game is a draw") != NULL) {
8563 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8565 } else if (strstr(message, "offer") != NULL &&
8566 strstr(message, "draw") != NULL) {
8568 if (appData.zippyPlay && first.initDone) {
8569 /* Relay offer to ICS */
8570 SendToICS(ics_prefix);
8571 SendToICS("draw\n");
8574 cps->offeredDraw = 2; /* valid until this engine moves twice */
8575 if (gameMode == TwoMachinesPlay) {
8576 if (cps->other->offeredDraw) {
8577 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8578 /* [HGM] in two-machine mode we delay relaying draw offer */
8579 /* until after we also have move, to see if it is really claim */
8581 } else if (gameMode == MachinePlaysWhite ||
8582 gameMode == MachinePlaysBlack) {
8583 if (userOfferedDraw) {
8584 DisplayInformation(_("Machine accepts your draw offer"));
8585 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8587 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8594 * Look for thinking output
8596 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8597 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8599 int plylev, mvleft, mvtot, curscore, time;
8600 char mvname[MOVE_LEN];
8604 int prefixHint = FALSE;
8605 mvname[0] = NULLCHAR;
8608 case MachinePlaysBlack:
8609 case IcsPlayingBlack:
8610 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8612 case MachinePlaysWhite:
8613 case IcsPlayingWhite:
8614 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8619 case IcsObserving: /* [DM] icsEngineAnalyze */
8620 if (!appData.icsEngineAnalyze) ignore = TRUE;
8622 case TwoMachinesPlay:
8623 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8633 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8635 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8636 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8638 if (plyext != ' ' && plyext != '\t') {
8642 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8643 if( cps->scoreIsAbsolute &&
8644 ( gameMode == MachinePlaysBlack ||
8645 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8646 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8647 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8648 !WhiteOnMove(currentMove)
8651 curscore = -curscore;
8654 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8656 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8659 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8660 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8661 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8662 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8663 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8664 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8666 } else DisplayError(_("failed writing PV"), 0);
8669 tempStats.depth = plylev;
8670 tempStats.nodes = nodes;
8671 tempStats.time = time;
8672 tempStats.score = curscore;
8673 tempStats.got_only_move = 0;
8675 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8678 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8679 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8680 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8681 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8682 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8683 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8684 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8685 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8688 /* Buffer overflow protection */
8689 if (pv[0] != NULLCHAR) {
8690 if (strlen(pv) >= sizeof(tempStats.movelist)
8691 && appData.debugMode) {
8693 "PV is too long; using the first %u bytes.\n",
8694 (unsigned) sizeof(tempStats.movelist) - 1);
8697 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8699 sprintf(tempStats.movelist, " no PV\n");
8702 if (tempStats.seen_stat) {
8703 tempStats.ok_to_send = 1;
8706 if (strchr(tempStats.movelist, '(') != NULL) {
8707 tempStats.line_is_book = 1;
8708 tempStats.nr_moves = 0;
8709 tempStats.moves_left = 0;
8711 tempStats.line_is_book = 0;
8714 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8715 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8717 SendProgramStatsToFrontend( cps, &tempStats );
8720 [AS] Protect the thinkOutput buffer from overflow... this
8721 is only useful if buf1 hasn't overflowed first!
8723 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8725 (gameMode == TwoMachinesPlay ?
8726 ToUpper(cps->twoMachinesColor[0]) : ' '),
8727 ((double) curscore) / 100.0,
8728 prefixHint ? lastHint : "",
8729 prefixHint ? " " : "" );
8731 if( buf1[0] != NULLCHAR ) {
8732 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8734 if( strlen(pv) > max_len ) {
8735 if( appData.debugMode) {
8736 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8738 pv[max_len+1] = '\0';
8741 strcat( thinkOutput, pv);
8744 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8745 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8746 DisplayMove(currentMove - 1);
8750 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8751 /* crafty (9.25+) says "(only move) <move>"
8752 * if there is only 1 legal move
8754 sscanf(p, "(only move) %s", buf1);
8755 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8756 sprintf(programStats.movelist, "%s (only move)", buf1);
8757 programStats.depth = 1;
8758 programStats.nr_moves = 1;
8759 programStats.moves_left = 1;
8760 programStats.nodes = 1;
8761 programStats.time = 1;
8762 programStats.got_only_move = 1;
8764 /* Not really, but we also use this member to
8765 mean "line isn't going to change" (Crafty
8766 isn't searching, so stats won't change) */
8767 programStats.line_is_book = 1;
8769 SendProgramStatsToFrontend( cps, &programStats );
8771 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8772 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8773 DisplayMove(currentMove - 1);
8776 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8777 &time, &nodes, &plylev, &mvleft,
8778 &mvtot, mvname) >= 5) {
8779 /* The stat01: line is from Crafty (9.29+) in response
8780 to the "." command */
8781 programStats.seen_stat = 1;
8782 cps->maybeThinking = TRUE;
8784 if (programStats.got_only_move || !appData.periodicUpdates)
8787 programStats.depth = plylev;
8788 programStats.time = time;
8789 programStats.nodes = nodes;
8790 programStats.moves_left = mvleft;
8791 programStats.nr_moves = mvtot;
8792 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8793 programStats.ok_to_send = 1;
8794 programStats.movelist[0] = '\0';
8796 SendProgramStatsToFrontend( cps, &programStats );
8800 } else if (strncmp(message,"++",2) == 0) {
8801 /* Crafty 9.29+ outputs this */
8802 programStats.got_fail = 2;
8805 } else if (strncmp(message,"--",2) == 0) {
8806 /* Crafty 9.29+ outputs this */
8807 programStats.got_fail = 1;
8810 } else if (thinkOutput[0] != NULLCHAR &&
8811 strncmp(message, " ", 4) == 0) {
8812 unsigned message_len;
8815 while (*p && *p == ' ') p++;
8817 message_len = strlen( p );
8819 /* [AS] Avoid buffer overflow */
8820 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8821 strcat(thinkOutput, " ");
8822 strcat(thinkOutput, p);
8825 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8826 strcat(programStats.movelist, " ");
8827 strcat(programStats.movelist, p);
8830 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8831 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8832 DisplayMove(currentMove - 1);
8840 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8841 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8843 ChessProgramStats cpstats;
8845 if (plyext != ' ' && plyext != '\t') {
8849 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8850 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8851 curscore = -curscore;
8854 cpstats.depth = plylev;
8855 cpstats.nodes = nodes;
8856 cpstats.time = time;
8857 cpstats.score = curscore;
8858 cpstats.got_only_move = 0;
8859 cpstats.movelist[0] = '\0';
8861 if (buf1[0] != NULLCHAR) {
8862 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8865 cpstats.ok_to_send = 0;
8866 cpstats.line_is_book = 0;
8867 cpstats.nr_moves = 0;
8868 cpstats.moves_left = 0;
8870 SendProgramStatsToFrontend( cps, &cpstats );
8877 /* Parse a game score from the character string "game", and
8878 record it as the history of the current game. The game
8879 score is NOT assumed to start from the standard position.
8880 The display is not updated in any way.
8883 ParseGameHistory(game)
8887 int fromX, fromY, toX, toY, boardIndex;
8892 if (appData.debugMode)
8893 fprintf(debugFP, "Parsing game history: %s\n", game);
8895 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8896 gameInfo.site = StrSave(appData.icsHost);
8897 gameInfo.date = PGNDate();
8898 gameInfo.round = StrSave("-");
8900 /* Parse out names of players */
8901 while (*game == ' ') game++;
8903 while (*game != ' ') *p++ = *game++;
8905 gameInfo.white = StrSave(buf);
8906 while (*game == ' ') game++;
8908 while (*game != ' ' && *game != '\n') *p++ = *game++;
8910 gameInfo.black = StrSave(buf);
8913 boardIndex = blackPlaysFirst ? 1 : 0;
8916 yyboardindex = boardIndex;
8917 moveType = (ChessMove) Myylex();
8919 case IllegalMove: /* maybe suicide chess, etc. */
8920 if (appData.debugMode) {
8921 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8922 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8923 setbuf(debugFP, NULL);
8925 case WhitePromotion:
8926 case BlackPromotion:
8927 case WhiteNonPromotion:
8928 case BlackNonPromotion:
8930 case WhiteCapturesEnPassant:
8931 case BlackCapturesEnPassant:
8932 case WhiteKingSideCastle:
8933 case WhiteQueenSideCastle:
8934 case BlackKingSideCastle:
8935 case BlackQueenSideCastle:
8936 case WhiteKingSideCastleWild:
8937 case WhiteQueenSideCastleWild:
8938 case BlackKingSideCastleWild:
8939 case BlackQueenSideCastleWild:
8941 case WhiteHSideCastleFR:
8942 case WhiteASideCastleFR:
8943 case BlackHSideCastleFR:
8944 case BlackASideCastleFR:
8946 fromX = currentMoveString[0] - AAA;
8947 fromY = currentMoveString[1] - ONE;
8948 toX = currentMoveString[2] - AAA;
8949 toY = currentMoveString[3] - ONE;
8950 promoChar = currentMoveString[4];
8954 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8955 fromX = moveType == WhiteDrop ?
8956 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8957 (int) CharToPiece(ToLower(currentMoveString[0]));
8959 toX = currentMoveString[2] - AAA;
8960 toY = currentMoveString[3] - ONE;
8961 promoChar = NULLCHAR;
8965 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8966 if (appData.debugMode) {
8967 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8968 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8969 setbuf(debugFP, NULL);
8971 DisplayError(buf, 0);
8973 case ImpossibleMove:
8975 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8976 if (appData.debugMode) {
8977 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8978 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8979 setbuf(debugFP, NULL);
8981 DisplayError(buf, 0);
8984 if (boardIndex < backwardMostMove) {
8985 /* Oops, gap. How did that happen? */
8986 DisplayError(_("Gap in move list"), 0);
8989 backwardMostMove = blackPlaysFirst ? 1 : 0;
8990 if (boardIndex > forwardMostMove) {
8991 forwardMostMove = boardIndex;
8995 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8996 strcat(parseList[boardIndex-1], " ");
8997 strcat(parseList[boardIndex-1], yy_text);
9009 case GameUnfinished:
9010 if (gameMode == IcsExamining) {
9011 if (boardIndex < backwardMostMove) {
9012 /* Oops, gap. How did that happen? */
9015 backwardMostMove = blackPlaysFirst ? 1 : 0;
9018 gameInfo.result = moveType;
9019 p = strchr(yy_text, '{');
9020 if (p == NULL) p = strchr(yy_text, '(');
9023 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9025 q = strchr(p, *p == '{' ? '}' : ')');
9026 if (q != NULL) *q = NULLCHAR;
9029 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9030 gameInfo.resultDetails = StrSave(p);
9033 if (boardIndex >= forwardMostMove &&
9034 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9035 backwardMostMove = blackPlaysFirst ? 1 : 0;
9038 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9039 fromY, fromX, toY, toX, promoChar,
9040 parseList[boardIndex]);
9041 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9042 /* currentMoveString is set as a side-effect of yylex */
9043 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9044 strcat(moveList[boardIndex], "\n");
9046 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9047 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9053 if(gameInfo.variant != VariantShogi)
9054 strcat(parseList[boardIndex - 1], "+");
9058 strcat(parseList[boardIndex - 1], "#");
9065 /* Apply a move to the given board */
9067 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
9068 int fromX, fromY, toX, toY;
9072 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9073 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9075 /* [HGM] compute & store e.p. status and castling rights for new position */
9076 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9078 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9079 oldEP = (signed char)board[EP_STATUS];
9080 board[EP_STATUS] = EP_NONE;
9082 if (fromY == DROP_RANK) {
9084 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9085 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9088 piece = board[toY][toX] = (ChessSquare) fromX;
9092 if( board[toY][toX] != EmptySquare )
9093 board[EP_STATUS] = EP_CAPTURE;
9095 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9096 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9097 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9099 if( board[fromY][fromX] == WhitePawn ) {
9100 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9101 board[EP_STATUS] = EP_PAWN_MOVE;
9103 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9104 gameInfo.variant != VariantBerolina || toX < fromX)
9105 board[EP_STATUS] = toX | berolina;
9106 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9107 gameInfo.variant != VariantBerolina || toX > fromX)
9108 board[EP_STATUS] = toX;
9111 if( board[fromY][fromX] == BlackPawn ) {
9112 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9113 board[EP_STATUS] = EP_PAWN_MOVE;
9114 if( toY-fromY== -2) {
9115 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9116 gameInfo.variant != VariantBerolina || toX < fromX)
9117 board[EP_STATUS] = toX | berolina;
9118 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9119 gameInfo.variant != VariantBerolina || toX > fromX)
9120 board[EP_STATUS] = toX;
9124 for(i=0; i<nrCastlingRights; i++) {
9125 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9126 board[CASTLING][i] == toX && castlingRank[i] == toY
9127 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9130 if (fromX == toX && fromY == toY) return;
9132 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9133 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9134 if(gameInfo.variant == VariantKnightmate)
9135 king += (int) WhiteUnicorn - (int) WhiteKing;
9137 /* Code added by Tord: */
9138 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9139 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9140 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9141 board[fromY][fromX] = EmptySquare;
9142 board[toY][toX] = EmptySquare;
9143 if((toX > fromX) != (piece == WhiteRook)) {
9144 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9146 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9148 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9149 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9150 board[fromY][fromX] = EmptySquare;
9151 board[toY][toX] = EmptySquare;
9152 if((toX > fromX) != (piece == BlackRook)) {
9153 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9155 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9157 /* End of code added by Tord */
9159 } else if (board[fromY][fromX] == king
9160 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9161 && toY == fromY && toX > fromX+1) {
9162 board[fromY][fromX] = EmptySquare;
9163 board[toY][toX] = king;
9164 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9165 board[fromY][BOARD_RGHT-1] = EmptySquare;
9166 } else if (board[fromY][fromX] == king
9167 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9168 && toY == fromY && toX < fromX-1) {
9169 board[fromY][fromX] = EmptySquare;
9170 board[toY][toX] = king;
9171 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9172 board[fromY][BOARD_LEFT] = EmptySquare;
9173 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9174 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9175 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9177 /* white pawn promotion */
9178 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9179 if(gameInfo.variant==VariantBughouse ||
9180 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9181 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9182 board[fromY][fromX] = EmptySquare;
9183 } else if ((fromY >= BOARD_HEIGHT>>1)
9185 && gameInfo.variant != VariantXiangqi
9186 && gameInfo.variant != VariantBerolina
9187 && (board[fromY][fromX] == WhitePawn)
9188 && (board[toY][toX] == EmptySquare)) {
9189 board[fromY][fromX] = EmptySquare;
9190 board[toY][toX] = WhitePawn;
9191 captured = board[toY - 1][toX];
9192 board[toY - 1][toX] = EmptySquare;
9193 } else if ((fromY == BOARD_HEIGHT-4)
9195 && gameInfo.variant == VariantBerolina
9196 && (board[fromY][fromX] == WhitePawn)
9197 && (board[toY][toX] == EmptySquare)) {
9198 board[fromY][fromX] = EmptySquare;
9199 board[toY][toX] = WhitePawn;
9200 if(oldEP & EP_BEROLIN_A) {
9201 captured = board[fromY][fromX-1];
9202 board[fromY][fromX-1] = EmptySquare;
9203 }else{ captured = board[fromY][fromX+1];
9204 board[fromY][fromX+1] = EmptySquare;
9206 } else if (board[fromY][fromX] == king
9207 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9208 && toY == fromY && toX > fromX+1) {
9209 board[fromY][fromX] = EmptySquare;
9210 board[toY][toX] = king;
9211 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9212 board[fromY][BOARD_RGHT-1] = EmptySquare;
9213 } else if (board[fromY][fromX] == king
9214 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9215 && toY == fromY && toX < fromX-1) {
9216 board[fromY][fromX] = EmptySquare;
9217 board[toY][toX] = king;
9218 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9219 board[fromY][BOARD_LEFT] = EmptySquare;
9220 } else if (fromY == 7 && fromX == 3
9221 && board[fromY][fromX] == BlackKing
9222 && toY == 7 && toX == 5) {
9223 board[fromY][fromX] = EmptySquare;
9224 board[toY][toX] = BlackKing;
9225 board[fromY][7] = EmptySquare;
9226 board[toY][4] = BlackRook;
9227 } else if (fromY == 7 && fromX == 3
9228 && board[fromY][fromX] == BlackKing
9229 && toY == 7 && toX == 1) {
9230 board[fromY][fromX] = EmptySquare;
9231 board[toY][toX] = BlackKing;
9232 board[fromY][0] = EmptySquare;
9233 board[toY][2] = BlackRook;
9234 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9235 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9236 && toY < promoRank && promoChar
9238 /* black pawn promotion */
9239 board[toY][toX] = CharToPiece(ToLower(promoChar));
9240 if(gameInfo.variant==VariantBughouse ||
9241 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9242 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9243 board[fromY][fromX] = EmptySquare;
9244 } else if ((fromY < BOARD_HEIGHT>>1)
9246 && gameInfo.variant != VariantXiangqi
9247 && gameInfo.variant != VariantBerolina
9248 && (board[fromY][fromX] == BlackPawn)
9249 && (board[toY][toX] == EmptySquare)) {
9250 board[fromY][fromX] = EmptySquare;
9251 board[toY][toX] = BlackPawn;
9252 captured = board[toY + 1][toX];
9253 board[toY + 1][toX] = EmptySquare;
9254 } else if ((fromY == 3)
9256 && gameInfo.variant == VariantBerolina
9257 && (board[fromY][fromX] == BlackPawn)
9258 && (board[toY][toX] == EmptySquare)) {
9259 board[fromY][fromX] = EmptySquare;
9260 board[toY][toX] = BlackPawn;
9261 if(oldEP & EP_BEROLIN_A) {
9262 captured = board[fromY][fromX-1];
9263 board[fromY][fromX-1] = EmptySquare;
9264 }else{ captured = board[fromY][fromX+1];
9265 board[fromY][fromX+1] = EmptySquare;
9268 board[toY][toX] = board[fromY][fromX];
9269 board[fromY][fromX] = EmptySquare;
9273 if (gameInfo.holdingsWidth != 0) {
9275 /* !!A lot more code needs to be written to support holdings */
9276 /* [HGM] OK, so I have written it. Holdings are stored in the */
9277 /* penultimate board files, so they are automaticlly stored */
9278 /* in the game history. */
9279 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9280 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9281 /* Delete from holdings, by decreasing count */
9282 /* and erasing image if necessary */
9283 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9284 if(p < (int) BlackPawn) { /* white drop */
9285 p -= (int)WhitePawn;
9286 p = PieceToNumber((ChessSquare)p);
9287 if(p >= gameInfo.holdingsSize) p = 0;
9288 if(--board[p][BOARD_WIDTH-2] <= 0)
9289 board[p][BOARD_WIDTH-1] = EmptySquare;
9290 if((int)board[p][BOARD_WIDTH-2] < 0)
9291 board[p][BOARD_WIDTH-2] = 0;
9292 } else { /* black drop */
9293 p -= (int)BlackPawn;
9294 p = PieceToNumber((ChessSquare)p);
9295 if(p >= gameInfo.holdingsSize) p = 0;
9296 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9297 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9298 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9299 board[BOARD_HEIGHT-1-p][1] = 0;
9302 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9303 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9304 /* [HGM] holdings: Add to holdings, if holdings exist */
9305 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9306 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9307 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9310 if (p >= (int) BlackPawn) {
9311 p -= (int)BlackPawn;
9312 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9313 /* in Shogi restore piece to its original first */
9314 captured = (ChessSquare) (DEMOTED captured);
9317 p = PieceToNumber((ChessSquare)p);
9318 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9319 board[p][BOARD_WIDTH-2]++;
9320 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9322 p -= (int)WhitePawn;
9323 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9324 captured = (ChessSquare) (DEMOTED captured);
9327 p = PieceToNumber((ChessSquare)p);
9328 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9329 board[BOARD_HEIGHT-1-p][1]++;
9330 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9333 } else if (gameInfo.variant == VariantAtomic) {
9334 if (captured != EmptySquare) {
9336 for (y = toY-1; y <= toY+1; y++) {
9337 for (x = toX-1; x <= toX+1; x++) {
9338 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9339 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9340 board[y][x] = EmptySquare;
9344 board[toY][toX] = EmptySquare;
9347 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9348 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9350 if(promoChar == '+') {
9351 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9352 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9353 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9354 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9356 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9357 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9358 // [HGM] superchess: take promotion piece out of holdings
9359 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9360 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9361 if(!--board[k][BOARD_WIDTH-2])
9362 board[k][BOARD_WIDTH-1] = EmptySquare;
9364 if(!--board[BOARD_HEIGHT-1-k][1])
9365 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9371 /* Updates forwardMostMove */
9373 MakeMove(fromX, fromY, toX, toY, promoChar)
9374 int fromX, fromY, toX, toY;
9377 // forwardMostMove++; // [HGM] bare: moved downstream
9379 (void) CoordsToAlgebraic(boards[forwardMostMove],
9380 PosFlags(forwardMostMove),
9381 fromY, fromX, toY, toX, promoChar,
9382 parseList[forwardMostMove]);
9384 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9385 int timeLeft; static int lastLoadFlag=0; int king, piece;
9386 piece = boards[forwardMostMove][fromY][fromX];
9387 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9388 if(gameInfo.variant == VariantKnightmate)
9389 king += (int) WhiteUnicorn - (int) WhiteKing;
9390 if(forwardMostMove == 0) {
9391 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9392 fprintf(serverMoves, "%s;", UserName());
9393 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9394 fprintf(serverMoves, "%s;", second.tidy);
9395 fprintf(serverMoves, "%s;", first.tidy);
9396 if(gameMode == MachinePlaysWhite)
9397 fprintf(serverMoves, "%s;", UserName());
9398 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9399 fprintf(serverMoves, "%s;", second.tidy);
9400 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9401 lastLoadFlag = loadFlag;
9403 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9404 // print castling suffix
9405 if( toY == fromY && piece == king ) {
9407 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9409 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9412 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9413 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9414 boards[forwardMostMove][toY][toX] == EmptySquare
9415 && fromX != toX && fromY != toY)
9416 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9418 if(promoChar != NULLCHAR)
9419 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9421 char buf[MOVE_LEN*2], *p; int len;
9422 fprintf(serverMoves, "/%d/%d",
9423 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9424 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9425 else timeLeft = blackTimeRemaining/1000;
9426 fprintf(serverMoves, "/%d", timeLeft);
9427 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9428 if(p = strchr(buf, '=')) *p = NULLCHAR;
9429 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9430 fprintf(serverMoves, "/%s", buf);
9432 fflush(serverMoves);
9435 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9436 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9439 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9440 if (commentList[forwardMostMove+1] != NULL) {
9441 free(commentList[forwardMostMove+1]);
9442 commentList[forwardMostMove+1] = NULL;
9444 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9445 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9446 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9447 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9448 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9449 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9450 adjustedClock = FALSE;
9451 gameInfo.result = GameUnfinished;
9452 if (gameInfo.resultDetails != NULL) {
9453 free(gameInfo.resultDetails);
9454 gameInfo.resultDetails = NULL;
9456 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9457 moveList[forwardMostMove - 1]);
9458 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9464 if(gameInfo.variant != VariantShogi)
9465 strcat(parseList[forwardMostMove - 1], "+");
9469 strcat(parseList[forwardMostMove - 1], "#");
9472 if (appData.debugMode) {
9473 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9478 /* Updates currentMove if not pausing */
9480 ShowMove(fromX, fromY, toX, toY)
9482 int instant = (gameMode == PlayFromGameFile) ?
9483 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9484 if(appData.noGUI) return;
9485 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9487 if (forwardMostMove == currentMove + 1) {
9488 AnimateMove(boards[forwardMostMove - 1],
9489 fromX, fromY, toX, toY);
9491 if (appData.highlightLastMove) {
9492 SetHighlights(fromX, fromY, toX, toY);
9495 currentMove = forwardMostMove;
9498 if (instant) return;
9500 DisplayMove(currentMove - 1);
9501 DrawPosition(FALSE, boards[currentMove]);
9502 DisplayBothClocks();
9503 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9506 void SendEgtPath(ChessProgramState *cps)
9507 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9508 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9510 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9513 char c, *q = name+1, *r, *s;
9515 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9516 while(*p && *p != ',') *q++ = *p++;
9518 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9519 strcmp(name, ",nalimov:") == 0 ) {
9520 // take nalimov path from the menu-changeable option first, if it is defined
9521 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9522 SendToProgram(buf,cps); // send egtbpath command for nalimov
9524 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9525 (s = StrStr(appData.egtFormats, name)) != NULL) {
9526 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9527 s = r = StrStr(s, ":") + 1; // beginning of path info
9528 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9529 c = *r; *r = 0; // temporarily null-terminate path info
9530 *--q = 0; // strip of trailig ':' from name
9531 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9533 SendToProgram(buf,cps); // send egtbpath command for this format
9535 if(*p == ',') p++; // read away comma to position for next format name
9540 InitChessProgram(cps, setup)
9541 ChessProgramState *cps;
9542 int setup; /* [HGM] needed to setup FRC opening position */
9544 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9545 if (appData.noChessProgram) return;
9546 hintRequested = FALSE;
9547 bookRequested = FALSE;
9549 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9550 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9551 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9552 if(cps->memSize) { /* [HGM] memory */
9553 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9554 SendToProgram(buf, cps);
9556 SendEgtPath(cps); /* [HGM] EGT */
9557 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9558 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9559 SendToProgram(buf, cps);
9562 SendToProgram(cps->initString, cps);
9563 if (gameInfo.variant != VariantNormal &&
9564 gameInfo.variant != VariantLoadable
9565 /* [HGM] also send variant if board size non-standard */
9566 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9568 char *v = VariantName(gameInfo.variant);
9569 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9570 /* [HGM] in protocol 1 we have to assume all variants valid */
9571 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9572 DisplayFatalError(buf, 0, 1);
9576 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9577 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9578 if( gameInfo.variant == VariantXiangqi )
9579 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9580 if( gameInfo.variant == VariantShogi )
9581 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9582 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9583 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9584 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9585 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9586 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9587 if( gameInfo.variant == VariantCourier )
9588 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9589 if( gameInfo.variant == VariantSuper )
9590 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9591 if( gameInfo.variant == VariantGreat )
9592 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9593 if( gameInfo.variant == VariantSChess )
9594 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9595 if( gameInfo.variant == VariantGrand )
9596 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9599 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9600 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9601 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9602 if(StrStr(cps->variants, b) == NULL) {
9603 // specific sized variant not known, check if general sizing allowed
9604 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9605 if(StrStr(cps->variants, "boardsize") == NULL) {
9606 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9607 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9608 DisplayFatalError(buf, 0, 1);
9611 /* [HGM] here we really should compare with the maximum supported board size */
9614 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9615 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9616 SendToProgram(buf, cps);
9618 currentlyInitializedVariant = gameInfo.variant;
9620 /* [HGM] send opening position in FRC to first engine */
9622 SendToProgram("force\n", cps);
9624 /* engine is now in force mode! Set flag to wake it up after first move. */
9625 setboardSpoiledMachineBlack = 1;
9629 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9630 SendToProgram(buf, cps);
9632 cps->maybeThinking = FALSE;
9633 cps->offeredDraw = 0;
9634 if (!appData.icsActive) {
9635 SendTimeControl(cps, movesPerSession, timeControl,
9636 timeIncrement, appData.searchDepth,
9639 if (appData.showThinking
9640 // [HGM] thinking: four options require thinking output to be sent
9641 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9643 SendToProgram("post\n", cps);
9645 SendToProgram("hard\n", cps);
9646 if (!appData.ponderNextMove) {
9647 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9648 it without being sure what state we are in first. "hard"
9649 is not a toggle, so that one is OK.
9651 SendToProgram("easy\n", cps);
9654 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9655 SendToProgram(buf, cps);
9657 cps->initDone = TRUE;
9658 ClearEngineOutputPane(cps == &second);
9663 StartChessProgram(cps)
9664 ChessProgramState *cps;
9669 if (appData.noChessProgram) return;
9670 cps->initDone = FALSE;
9672 if (strcmp(cps->host, "localhost") == 0) {
9673 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9674 } else if (*appData.remoteShell == NULLCHAR) {
9675 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9677 if (*appData.remoteUser == NULLCHAR) {
9678 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9681 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9682 cps->host, appData.remoteUser, cps->program);
9684 err = StartChildProcess(buf, "", &cps->pr);
9688 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9689 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9690 if(cps != &first) return;
9691 appData.noChessProgram = TRUE;
9694 // DisplayFatalError(buf, err, 1);
9695 // cps->pr = NoProc;
9700 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9701 if (cps->protocolVersion > 1) {
9702 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9703 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9704 cps->comboCnt = 0; // and values of combo boxes
9705 SendToProgram(buf, cps);
9707 SendToProgram("xboard\n", cps);
9712 TwoMachinesEventIfReady P((void))
9714 static int curMess = 0;
9715 if (first.lastPing != first.lastPong) {
9716 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9717 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9720 if (second.lastPing != second.lastPong) {
9721 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9722 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9725 DisplayMessage("", ""); curMess = 0;
9731 MakeName(char *template)
9735 static char buf[MSG_SIZ];
9739 clock = time((time_t *)NULL);
9740 tm = localtime(&clock);
9742 while(*p++ = *template++) if(p[-1] == '%') {
9743 switch(*template++) {
9744 case 0: *p = 0; return buf;
9745 case 'Y': i = tm->tm_year+1900; break;
9746 case 'y': i = tm->tm_year-100; break;
9747 case 'M': i = tm->tm_mon+1; break;
9748 case 'd': i = tm->tm_mday; break;
9749 case 'h': i = tm->tm_hour; break;
9750 case 'm': i = tm->tm_min; break;
9751 case 's': i = tm->tm_sec; break;
9754 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9760 CountPlayers(char *p)
9763 while(p = strchr(p, '\n')) p++, n++; // count participants
9768 WriteTourneyFile(char *results, FILE *f)
9769 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9770 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9771 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9772 // create a file with tournament description
9773 fprintf(f, "-participants {%s}\n", appData.participants);
9774 fprintf(f, "-seedBase %d\n", appData.seedBase);
9775 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9776 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9777 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9778 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9779 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9780 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9781 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9782 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9783 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9784 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9785 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9786 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9788 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9790 fprintf(f, "-mps %d\n", appData.movesPerSession);
9791 fprintf(f, "-tc %s\n", appData.timeControl);
9792 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9794 fprintf(f, "-results \"%s\"\n", results);
9799 #define MAXENGINES 1000
9800 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9802 void Substitute(char *participants, int expunge)
9804 int i, changed, changes=0, nPlayers=0;
9805 char *p, *q, *r, buf[MSG_SIZ];
9806 if(participants == NULL) return;
9807 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9808 r = p = participants; q = appData.participants;
9809 while(*p && *p == *q) {
9810 if(*p == '\n') r = p+1, nPlayers++;
9813 if(*p) { // difference
9814 while(*p && *p++ != '\n');
9815 while(*q && *q++ != '\n');
9817 changes = 1 + (strcmp(p, q) != 0);
9819 if(changes == 1) { // a single engine mnemonic was changed
9820 q = r; while(*q) nPlayers += (*q++ == '\n');
9821 p = buf; while(*r && (*p = *r++) != '\n') p++;
9823 NamesToList(firstChessProgramNames, command, mnemonic);
9824 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9825 if(mnemonic[i]) { // The substitute is valid
9827 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9828 flock(fileno(f), LOCK_EX);
9829 ParseArgsFromFile(f);
9830 fseek(f, 0, SEEK_SET);
9831 FREE(appData.participants); appData.participants = participants;
9832 if(expunge) { // erase results of replaced engine
9833 int len = strlen(appData.results), w, b, dummy;
9834 for(i=0; i<len; i++) {
9835 Pairing(i, nPlayers, &w, &b, &dummy);
9836 if((w == changed || b == changed) && appData.results[i] == '*') {
9837 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9842 for(i=0; i<len; i++) {
9843 Pairing(i, nPlayers, &w, &b, &dummy);
9844 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9847 WriteTourneyFile(appData.results, f);
9848 fclose(f); // release lock
9851 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9853 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9854 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9860 CreateTourney(char *name)
9863 if(matchMode && strcmp(name, appData.tourneyFile)) {
9864 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9866 if(name[0] == NULLCHAR) {
9867 if(appData.participants[0])
9868 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9871 f = fopen(name, "r");
9872 if(f) { // file exists
9873 ASSIGN(appData.tourneyFile, name);
9874 ParseArgsFromFile(f); // parse it
9876 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9877 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9878 DisplayError(_("Not enough participants"), 0);
9881 ASSIGN(appData.tourneyFile, name);
9882 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9883 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9886 appData.noChessProgram = FALSE;
9887 appData.clockMode = TRUE;
9892 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9894 char buf[MSG_SIZ], *p, *q;
9898 while(*p && *p != '\n') *q++ = *p++;
9900 if(engineList[i]) free(engineList[i]);
9901 engineList[i] = strdup(buf);
9903 TidyProgramName(engineList[i], "localhost", buf);
9904 if(engineMnemonic[i]) free(engineMnemonic[i]);
9905 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9907 sscanf(q + 8, "%s", buf + strlen(buf));
9910 engineMnemonic[i] = strdup(buf);
9912 if(i > MAXENGINES - 2) break;
9914 engineList[i] = engineMnemonic[i] = NULL;
9917 // following implemented as macro to avoid type limitations
9918 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9920 void SwapEngines(int n)
9921 { // swap settings for first engine and other engine (so far only some selected options)
9926 SWAP(chessProgram, p)
9928 SWAP(hasOwnBookUCI, h)
9929 SWAP(protocolVersion, h)
9931 SWAP(scoreIsAbsolute, h)
9940 SetPlayer(int player)
9941 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9943 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9944 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9945 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9946 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9948 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9949 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9950 appData.firstHasOwnBookUCI = !appData.defNoBook;
9951 ParseArgsFromString(buf);
9957 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9958 { // determine players from game number
9959 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9961 if(appData.tourneyType == 0) {
9962 roundsPerCycle = (nPlayers - 1) | 1;
9963 pairingsPerRound = nPlayers / 2;
9964 } else if(appData.tourneyType > 0) {
9965 roundsPerCycle = nPlayers - appData.tourneyType;
9966 pairingsPerRound = appData.tourneyType;
9968 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9969 gamesPerCycle = gamesPerRound * roundsPerCycle;
9970 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9971 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9972 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9973 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9974 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9975 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9977 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9978 if(appData.roundSync) *syncInterval = gamesPerRound;
9980 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9982 if(appData.tourneyType == 0) {
9983 if(curPairing == (nPlayers-1)/2 ) {
9984 *whitePlayer = curRound;
9985 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9987 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9988 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9989 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9990 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9992 } else if(appData.tourneyType > 0) {
9993 *whitePlayer = curPairing;
9994 *blackPlayer = curRound + appData.tourneyType;
9997 // take care of white/black alternation per round.
9998 // For cycles and games this is already taken care of by default, derived from matchGame!
9999 return curRound & 1;
10003 NextTourneyGame(int nr, int *swapColors)
10004 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10006 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10008 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10009 tf = fopen(appData.tourneyFile, "r");
10010 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10011 ParseArgsFromFile(tf); fclose(tf);
10012 InitTimeControls(); // TC might be altered from tourney file
10014 nPlayers = CountPlayers(appData.participants); // count participants
10015 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10016 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10019 p = q = appData.results;
10020 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10021 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10022 DisplayMessage(_("Waiting for other game(s)"),"");
10023 waitingForGame = TRUE;
10024 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10027 waitingForGame = FALSE;
10030 if(appData.tourneyType < 0) {
10031 if(nr>=0 && !pairingReceived) {
10033 if(pairing.pr == NoProc) {
10034 if(!appData.pairingEngine[0]) {
10035 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10038 StartChessProgram(&pairing); // starts the pairing engine
10040 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10041 SendToProgram(buf, &pairing);
10042 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10043 SendToProgram(buf, &pairing);
10044 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10046 pairingReceived = 0; // ... so we continue here
10048 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10049 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10050 matchGame = 1; roundNr = nr / syncInterval + 1;
10053 if(first.pr != NoProc || second.pr != NoProc) return 1; // engines already loaded
10055 // redefine engines, engine dir, etc.
10056 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
10057 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
10059 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
10060 SwapEngines(1); // and make that valid for second engine by swapping
10061 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10062 InitEngine(&second, 1);
10063 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10064 UpdateLogos(FALSE); // leave display to ModeHiglight()
10070 { // performs game initialization that does not invoke engines, and then tries to start the game
10071 int res, firstWhite, swapColors = 0;
10072 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10073 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10074 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10075 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10076 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10077 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10078 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10079 Reset(FALSE, first.pr != NoProc);
10080 res = LoadGameOrPosition(matchGame); // setup game
10081 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10082 if(!res) return; // abort when bad game/pos file
10083 TwoMachinesEvent();
10086 void UserAdjudicationEvent( int result )
10088 ChessMove gameResult = GameIsDrawn;
10091 gameResult = WhiteWins;
10093 else if( result < 0 ) {
10094 gameResult = BlackWins;
10097 if( gameMode == TwoMachinesPlay ) {
10098 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10103 // [HGM] save: calculate checksum of game to make games easily identifiable
10104 int StringCheckSum(char *s)
10107 if(s==NULL) return 0;
10108 while(*s) i = i*259 + *s++;
10115 for(i=backwardMostMove; i<forwardMostMove; i++) {
10116 sum += pvInfoList[i].depth;
10117 sum += StringCheckSum(parseList[i]);
10118 sum += StringCheckSum(commentList[i]);
10121 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10122 return sum + StringCheckSum(commentList[i]);
10123 } // end of save patch
10126 GameEnds(result, resultDetails, whosays)
10128 char *resultDetails;
10131 GameMode nextGameMode;
10133 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10135 if(endingGame) return; /* [HGM] crash: forbid recursion */
10137 if(twoBoards) { // [HGM] dual: switch back to one board
10138 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10139 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10141 if (appData.debugMode) {
10142 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10143 result, resultDetails ? resultDetails : "(null)", whosays);
10146 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10148 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10149 /* If we are playing on ICS, the server decides when the
10150 game is over, but the engine can offer to draw, claim
10154 if (appData.zippyPlay && first.initDone) {
10155 if (result == GameIsDrawn) {
10156 /* In case draw still needs to be claimed */
10157 SendToICS(ics_prefix);
10158 SendToICS("draw\n");
10159 } else if (StrCaseStr(resultDetails, "resign")) {
10160 SendToICS(ics_prefix);
10161 SendToICS("resign\n");
10165 endingGame = 0; /* [HGM] crash */
10169 /* If we're loading the game from a file, stop */
10170 if (whosays == GE_FILE) {
10171 (void) StopLoadGameTimer();
10175 /* Cancel draw offers */
10176 first.offeredDraw = second.offeredDraw = 0;
10178 /* If this is an ICS game, only ICS can really say it's done;
10179 if not, anyone can. */
10180 isIcsGame = (gameMode == IcsPlayingWhite ||
10181 gameMode == IcsPlayingBlack ||
10182 gameMode == IcsObserving ||
10183 gameMode == IcsExamining);
10185 if (!isIcsGame || whosays == GE_ICS) {
10186 /* OK -- not an ICS game, or ICS said it was done */
10188 if (!isIcsGame && !appData.noChessProgram)
10189 SetUserThinkingEnables();
10191 /* [HGM] if a machine claims the game end we verify this claim */
10192 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10193 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10195 ChessMove trueResult = (ChessMove) -1;
10197 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10198 first.twoMachinesColor[0] :
10199 second.twoMachinesColor[0] ;
10201 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10202 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10203 /* [HGM] verify: engine mate claims accepted if they were flagged */
10204 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10206 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10207 /* [HGM] verify: engine mate claims accepted if they were flagged */
10208 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10210 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10211 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10214 // now verify win claims, but not in drop games, as we don't understand those yet
10215 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10216 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10217 (result == WhiteWins && claimer == 'w' ||
10218 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10219 if (appData.debugMode) {
10220 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10221 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10223 if(result != trueResult) {
10224 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10225 result = claimer == 'w' ? BlackWins : WhiteWins;
10226 resultDetails = buf;
10229 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10230 && (forwardMostMove <= backwardMostMove ||
10231 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10232 (claimer=='b')==(forwardMostMove&1))
10234 /* [HGM] verify: draws that were not flagged are false claims */
10235 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10236 result = claimer == 'w' ? BlackWins : WhiteWins;
10237 resultDetails = buf;
10239 /* (Claiming a loss is accepted no questions asked!) */
10241 /* [HGM] bare: don't allow bare King to win */
10242 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10243 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10244 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10245 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10246 && result != GameIsDrawn)
10247 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10248 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10249 int p = (signed char)boards[forwardMostMove][i][j] - color;
10250 if(p >= 0 && p <= (int)WhiteKing) k++;
10252 if (appData.debugMode) {
10253 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10254 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10257 result = GameIsDrawn;
10258 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10259 resultDetails = buf;
10265 if(serverMoves != NULL && !loadFlag) { char c = '=';
10266 if(result==WhiteWins) c = '+';
10267 if(result==BlackWins) c = '-';
10268 if(resultDetails != NULL)
10269 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10271 if (resultDetails != NULL) {
10272 gameInfo.result = result;
10273 gameInfo.resultDetails = StrSave(resultDetails);
10275 /* display last move only if game was not loaded from file */
10276 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10277 DisplayMove(currentMove - 1);
10279 if (forwardMostMove != 0) {
10280 if (gameMode != PlayFromGameFile && gameMode != EditGame
10281 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10283 if (*appData.saveGameFile != NULLCHAR) {
10284 SaveGameToFile(appData.saveGameFile, TRUE);
10285 } else if (appData.autoSaveGames) {
10288 if (*appData.savePositionFile != NULLCHAR) {
10289 SavePositionToFile(appData.savePositionFile);
10294 /* Tell program how game ended in case it is learning */
10295 /* [HGM] Moved this to after saving the PGN, just in case */
10296 /* engine died and we got here through time loss. In that */
10297 /* case we will get a fatal error writing the pipe, which */
10298 /* would otherwise lose us the PGN. */
10299 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10300 /* output during GameEnds should never be fatal anymore */
10301 if (gameMode == MachinePlaysWhite ||
10302 gameMode == MachinePlaysBlack ||
10303 gameMode == TwoMachinesPlay ||
10304 gameMode == IcsPlayingWhite ||
10305 gameMode == IcsPlayingBlack ||
10306 gameMode == BeginningOfGame) {
10308 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10310 if (first.pr != NoProc) {
10311 SendToProgram(buf, &first);
10313 if (second.pr != NoProc &&
10314 gameMode == TwoMachinesPlay) {
10315 SendToProgram(buf, &second);
10320 if (appData.icsActive) {
10321 if (appData.quietPlay &&
10322 (gameMode == IcsPlayingWhite ||
10323 gameMode == IcsPlayingBlack)) {
10324 SendToICS(ics_prefix);
10325 SendToICS("set shout 1\n");
10327 nextGameMode = IcsIdle;
10328 ics_user_moved = FALSE;
10329 /* clean up premove. It's ugly when the game has ended and the
10330 * premove highlights are still on the board.
10333 gotPremove = FALSE;
10334 ClearPremoveHighlights();
10335 DrawPosition(FALSE, boards[currentMove]);
10337 if (whosays == GE_ICS) {
10340 if (gameMode == IcsPlayingWhite)
10342 else if(gameMode == IcsPlayingBlack)
10343 PlayIcsLossSound();
10346 if (gameMode == IcsPlayingBlack)
10348 else if(gameMode == IcsPlayingWhite)
10349 PlayIcsLossSound();
10352 PlayIcsDrawSound();
10355 PlayIcsUnfinishedSound();
10358 } else if (gameMode == EditGame ||
10359 gameMode == PlayFromGameFile ||
10360 gameMode == AnalyzeMode ||
10361 gameMode == AnalyzeFile) {
10362 nextGameMode = gameMode;
10364 nextGameMode = EndOfGame;
10369 nextGameMode = gameMode;
10372 if (appData.noChessProgram) {
10373 gameMode = nextGameMode;
10375 endingGame = 0; /* [HGM] crash */
10380 /* Put first chess program into idle state */
10381 if (first.pr != NoProc &&
10382 (gameMode == MachinePlaysWhite ||
10383 gameMode == MachinePlaysBlack ||
10384 gameMode == TwoMachinesPlay ||
10385 gameMode == IcsPlayingWhite ||
10386 gameMode == IcsPlayingBlack ||
10387 gameMode == BeginningOfGame)) {
10388 SendToProgram("force\n", &first);
10389 if (first.usePing) {
10391 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10392 SendToProgram(buf, &first);
10395 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10396 /* Kill off first chess program */
10397 if (first.isr != NULL)
10398 RemoveInputSource(first.isr);
10401 if (first.pr != NoProc) {
10403 DoSleep( appData.delayBeforeQuit );
10404 SendToProgram("quit\n", &first);
10405 DoSleep( appData.delayAfterQuit );
10406 DestroyChildProcess(first.pr, first.useSigterm);
10410 if (second.reuse) {
10411 /* Put second chess program into idle state */
10412 if (second.pr != NoProc &&
10413 gameMode == TwoMachinesPlay) {
10414 SendToProgram("force\n", &second);
10415 if (second.usePing) {
10417 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10418 SendToProgram(buf, &second);
10421 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10422 /* Kill off second chess program */
10423 if (second.isr != NULL)
10424 RemoveInputSource(second.isr);
10427 if (second.pr != NoProc) {
10428 DoSleep( appData.delayBeforeQuit );
10429 SendToProgram("quit\n", &second);
10430 DoSleep( appData.delayAfterQuit );
10431 DestroyChildProcess(second.pr, second.useSigterm);
10433 second.pr = NoProc;
10436 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10437 char resChar = '=';
10441 if (first.twoMachinesColor[0] == 'w') {
10444 second.matchWins++;
10449 if (first.twoMachinesColor[0] == 'b') {
10452 second.matchWins++;
10455 case GameUnfinished:
10461 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10462 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10463 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10464 ReserveGame(nextGame, resChar); // sets nextGame
10465 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10466 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10467 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10469 if (nextGame <= appData.matchGames && !abortMatch) {
10470 gameMode = nextGameMode;
10471 matchGame = nextGame; // this will be overruled in tourney mode!
10472 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10473 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10474 endingGame = 0; /* [HGM] crash */
10477 gameMode = nextGameMode;
10478 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10479 first.tidy, second.tidy,
10480 first.matchWins, second.matchWins,
10481 appData.matchGames - (first.matchWins + second.matchWins));
10482 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10483 if(strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10484 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10485 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10486 first.twoMachinesColor = "black\n";
10487 second.twoMachinesColor = "white\n";
10489 first.twoMachinesColor = "white\n";
10490 second.twoMachinesColor = "black\n";
10494 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10495 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10497 gameMode = nextGameMode;
10499 endingGame = 0; /* [HGM] crash */
10500 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10501 if(matchMode == TRUE) { // match through command line: exit with or without popup
10503 ToNrEvent(forwardMostMove);
10504 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10506 } else DisplayFatalError(buf, 0, 0);
10507 } else { // match through menu; just stop, with or without popup
10508 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10511 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10512 } else DisplayNote(buf);
10514 if(ranking) free(ranking);
10518 /* Assumes program was just initialized (initString sent).
10519 Leaves program in force mode. */
10521 FeedMovesToProgram(cps, upto)
10522 ChessProgramState *cps;
10527 if (appData.debugMode)
10528 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10529 startedFromSetupPosition ? "position and " : "",
10530 backwardMostMove, upto, cps->which);
10531 if(currentlyInitializedVariant != gameInfo.variant) {
10533 // [HGM] variantswitch: make engine aware of new variant
10534 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10535 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10536 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10537 SendToProgram(buf, cps);
10538 currentlyInitializedVariant = gameInfo.variant;
10540 SendToProgram("force\n", cps);
10541 if (startedFromSetupPosition) {
10542 SendBoard(cps, backwardMostMove);
10543 if (appData.debugMode) {
10544 fprintf(debugFP, "feedMoves\n");
10547 for (i = backwardMostMove; i < upto; i++) {
10548 SendMoveToProgram(i, cps);
10554 ResurrectChessProgram()
10556 /* The chess program may have exited.
10557 If so, restart it and feed it all the moves made so far. */
10558 static int doInit = 0;
10560 if (appData.noChessProgram) return 1;
10562 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10563 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10564 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10565 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10567 if (first.pr != NoProc) return 1;
10568 StartChessProgram(&first);
10570 InitChessProgram(&first, FALSE);
10571 FeedMovesToProgram(&first, currentMove);
10573 if (!first.sendTime) {
10574 /* can't tell gnuchess what its clock should read,
10575 so we bow to its notion. */
10577 timeRemaining[0][currentMove] = whiteTimeRemaining;
10578 timeRemaining[1][currentMove] = blackTimeRemaining;
10581 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10582 appData.icsEngineAnalyze) && first.analysisSupport) {
10583 SendToProgram("analyze\n", &first);
10584 first.analyzing = TRUE;
10590 * Button procedures
10593 Reset(redraw, init)
10598 if (appData.debugMode) {
10599 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10600 redraw, init, gameMode);
10602 CleanupTail(); // [HGM] vari: delete any stored variations
10603 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10604 pausing = pauseExamInvalid = FALSE;
10605 startedFromSetupPosition = blackPlaysFirst = FALSE;
10607 whiteFlag = blackFlag = FALSE;
10608 userOfferedDraw = FALSE;
10609 hintRequested = bookRequested = FALSE;
10610 first.maybeThinking = FALSE;
10611 second.maybeThinking = FALSE;
10612 first.bookSuspend = FALSE; // [HGM] book
10613 second.bookSuspend = FALSE;
10614 thinkOutput[0] = NULLCHAR;
10615 lastHint[0] = NULLCHAR;
10616 ClearGameInfo(&gameInfo);
10617 gameInfo.variant = StringToVariant(appData.variant);
10618 ics_user_moved = ics_clock_paused = FALSE;
10619 ics_getting_history = H_FALSE;
10621 white_holding[0] = black_holding[0] = NULLCHAR;
10622 ClearProgramStats();
10623 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10627 flipView = appData.flipView;
10628 ClearPremoveHighlights();
10629 gotPremove = FALSE;
10630 alarmSounded = FALSE;
10632 GameEnds(EndOfFile, NULL, GE_PLAYER);
10633 if(appData.serverMovesName != NULL) {
10634 /* [HGM] prepare to make moves file for broadcasting */
10635 clock_t t = clock();
10636 if(serverMoves != NULL) fclose(serverMoves);
10637 serverMoves = fopen(appData.serverMovesName, "r");
10638 if(serverMoves != NULL) {
10639 fclose(serverMoves);
10640 /* delay 15 sec before overwriting, so all clients can see end */
10641 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10643 serverMoves = fopen(appData.serverMovesName, "w");
10647 gameMode = BeginningOfGame;
10649 if(appData.icsActive) gameInfo.variant = VariantNormal;
10650 currentMove = forwardMostMove = backwardMostMove = 0;
10651 InitPosition(redraw);
10652 for (i = 0; i < MAX_MOVES; i++) {
10653 if (commentList[i] != NULL) {
10654 free(commentList[i]);
10655 commentList[i] = NULL;
10659 timeRemaining[0][0] = whiteTimeRemaining;
10660 timeRemaining[1][0] = blackTimeRemaining;
10662 if (first.pr == NoProc) {
10663 StartChessProgram(&first);
10666 InitChessProgram(&first, startedFromSetupPosition);
10669 DisplayMessage("", "");
10670 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10671 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10678 if (!AutoPlayOneMove())
10680 if (matchMode || appData.timeDelay == 0)
10682 if (appData.timeDelay < 0)
10684 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10693 int fromX, fromY, toX, toY;
10695 if (appData.debugMode) {
10696 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10699 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10702 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10703 pvInfoList[currentMove].depth = programStats.depth;
10704 pvInfoList[currentMove].score = programStats.score;
10705 pvInfoList[currentMove].time = 0;
10706 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10709 if (currentMove >= forwardMostMove) {
10710 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10711 // gameMode = EndOfGame;
10712 // ModeHighlight();
10714 /* [AS] Clear current move marker at the end of a game */
10715 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10720 toX = moveList[currentMove][2] - AAA;
10721 toY = moveList[currentMove][3] - ONE;
10723 if (moveList[currentMove][1] == '@') {
10724 if (appData.highlightLastMove) {
10725 SetHighlights(-1, -1, toX, toY);
10728 fromX = moveList[currentMove][0] - AAA;
10729 fromY = moveList[currentMove][1] - ONE;
10731 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10733 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10735 if (appData.highlightLastMove) {
10736 SetHighlights(fromX, fromY, toX, toY);
10739 DisplayMove(currentMove);
10740 SendMoveToProgram(currentMove++, &first);
10741 DisplayBothClocks();
10742 DrawPosition(FALSE, boards[currentMove]);
10743 // [HGM] PV info: always display, routine tests if empty
10744 DisplayComment(currentMove - 1, commentList[currentMove]);
10750 LoadGameOneMove(readAhead)
10751 ChessMove readAhead;
10753 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10754 char promoChar = NULLCHAR;
10755 ChessMove moveType;
10756 char move[MSG_SIZ];
10759 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10760 gameMode != AnalyzeMode && gameMode != Training) {
10765 yyboardindex = forwardMostMove;
10766 if (readAhead != EndOfFile) {
10767 moveType = readAhead;
10769 if (gameFileFP == NULL)
10771 moveType = (ChessMove) Myylex();
10775 switch (moveType) {
10777 if (appData.debugMode)
10778 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10781 /* append the comment but don't display it */
10782 AppendComment(currentMove, p, FALSE);
10785 case WhiteCapturesEnPassant:
10786 case BlackCapturesEnPassant:
10787 case WhitePromotion:
10788 case BlackPromotion:
10789 case WhiteNonPromotion:
10790 case BlackNonPromotion:
10792 case WhiteKingSideCastle:
10793 case WhiteQueenSideCastle:
10794 case BlackKingSideCastle:
10795 case BlackQueenSideCastle:
10796 case WhiteKingSideCastleWild:
10797 case WhiteQueenSideCastleWild:
10798 case BlackKingSideCastleWild:
10799 case BlackQueenSideCastleWild:
10801 case WhiteHSideCastleFR:
10802 case WhiteASideCastleFR:
10803 case BlackHSideCastleFR:
10804 case BlackASideCastleFR:
10806 if (appData.debugMode)
10807 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10808 fromX = currentMoveString[0] - AAA;
10809 fromY = currentMoveString[1] - ONE;
10810 toX = currentMoveString[2] - AAA;
10811 toY = currentMoveString[3] - ONE;
10812 promoChar = currentMoveString[4];
10817 if (appData.debugMode)
10818 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10819 fromX = moveType == WhiteDrop ?
10820 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10821 (int) CharToPiece(ToLower(currentMoveString[0]));
10823 toX = currentMoveString[2] - AAA;
10824 toY = currentMoveString[3] - ONE;
10830 case GameUnfinished:
10831 if (appData.debugMode)
10832 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10833 p = strchr(yy_text, '{');
10834 if (p == NULL) p = strchr(yy_text, '(');
10837 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10839 q = strchr(p, *p == '{' ? '}' : ')');
10840 if (q != NULL) *q = NULLCHAR;
10843 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10844 GameEnds(moveType, p, GE_FILE);
10846 if (cmailMsgLoaded) {
10848 flipView = WhiteOnMove(currentMove);
10849 if (moveType == GameUnfinished) flipView = !flipView;
10850 if (appData.debugMode)
10851 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10856 if (appData.debugMode)
10857 fprintf(debugFP, "Parser hit end of file\n");
10858 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10864 if (WhiteOnMove(currentMove)) {
10865 GameEnds(BlackWins, "Black mates", GE_FILE);
10867 GameEnds(WhiteWins, "White mates", GE_FILE);
10871 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10877 case MoveNumberOne:
10878 if (lastLoadGameStart == GNUChessGame) {
10879 /* GNUChessGames have numbers, but they aren't move numbers */
10880 if (appData.debugMode)
10881 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10882 yy_text, (int) moveType);
10883 return LoadGameOneMove(EndOfFile); /* tail recursion */
10885 /* else fall thru */
10890 /* Reached start of next game in file */
10891 if (appData.debugMode)
10892 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10893 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10899 if (WhiteOnMove(currentMove)) {
10900 GameEnds(BlackWins, "Black mates", GE_FILE);
10902 GameEnds(WhiteWins, "White mates", GE_FILE);
10906 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10912 case PositionDiagram: /* should not happen; ignore */
10913 case ElapsedTime: /* ignore */
10914 case NAG: /* ignore */
10915 if (appData.debugMode)
10916 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10917 yy_text, (int) moveType);
10918 return LoadGameOneMove(EndOfFile); /* tail recursion */
10921 if (appData.testLegality) {
10922 if (appData.debugMode)
10923 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10924 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10925 (forwardMostMove / 2) + 1,
10926 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10927 DisplayError(move, 0);
10930 if (appData.debugMode)
10931 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10932 yy_text, currentMoveString);
10933 fromX = currentMoveString[0] - AAA;
10934 fromY = currentMoveString[1] - ONE;
10935 toX = currentMoveString[2] - AAA;
10936 toY = currentMoveString[3] - ONE;
10937 promoChar = currentMoveString[4];
10941 case AmbiguousMove:
10942 if (appData.debugMode)
10943 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10944 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10945 (forwardMostMove / 2) + 1,
10946 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10947 DisplayError(move, 0);
10952 case ImpossibleMove:
10953 if (appData.debugMode)
10954 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10955 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10956 (forwardMostMove / 2) + 1,
10957 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10958 DisplayError(move, 0);
10964 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10965 DrawPosition(FALSE, boards[currentMove]);
10966 DisplayBothClocks();
10967 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10968 DisplayComment(currentMove - 1, commentList[currentMove]);
10970 (void) StopLoadGameTimer();
10972 cmailOldMove = forwardMostMove;
10975 /* currentMoveString is set as a side-effect of yylex */
10977 thinkOutput[0] = NULLCHAR;
10978 MakeMove(fromX, fromY, toX, toY, promoChar);
10979 currentMove = forwardMostMove;
10984 /* Load the nth game from the given file */
10986 LoadGameFromFile(filename, n, title, useList)
10990 /*Boolean*/ int useList;
10995 if (strcmp(filename, "-") == 0) {
10999 f = fopen(filename, "rb");
11001 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11002 DisplayError(buf, errno);
11006 if (fseek(f, 0, 0) == -1) {
11007 /* f is not seekable; probably a pipe */
11010 if (useList && n == 0) {
11011 int error = GameListBuild(f);
11013 DisplayError(_("Cannot build game list"), error);
11014 } else if (!ListEmpty(&gameList) &&
11015 ((ListGame *) gameList.tailPred)->number > 1) {
11016 GameListPopUp(f, title);
11023 return LoadGame(f, n, title, FALSE);
11028 MakeRegisteredMove()
11030 int fromX, fromY, toX, toY;
11032 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11033 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11036 if (appData.debugMode)
11037 fprintf(debugFP, "Restoring %s for game %d\n",
11038 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11040 thinkOutput[0] = NULLCHAR;
11041 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11042 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11043 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11044 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11045 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11046 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11047 MakeMove(fromX, fromY, toX, toY, promoChar);
11048 ShowMove(fromX, fromY, toX, toY);
11050 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11057 if (WhiteOnMove(currentMove)) {
11058 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11060 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11065 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11072 if (WhiteOnMove(currentMove)) {
11073 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11075 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11080 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11091 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11093 CmailLoadGame(f, gameNumber, title, useList)
11101 if (gameNumber > nCmailGames) {
11102 DisplayError(_("No more games in this message"), 0);
11105 if (f == lastLoadGameFP) {
11106 int offset = gameNumber - lastLoadGameNumber;
11108 cmailMsg[0] = NULLCHAR;
11109 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11110 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11111 nCmailMovesRegistered--;
11113 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11114 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11115 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11118 if (! RegisterMove()) return FALSE;
11122 retVal = LoadGame(f, gameNumber, title, useList);
11124 /* Make move registered during previous look at this game, if any */
11125 MakeRegisteredMove();
11127 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11128 commentList[currentMove]
11129 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11130 DisplayComment(currentMove - 1, commentList[currentMove]);
11136 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11141 int gameNumber = lastLoadGameNumber + offset;
11142 if (lastLoadGameFP == NULL) {
11143 DisplayError(_("No game has been loaded yet"), 0);
11146 if (gameNumber <= 0) {
11147 DisplayError(_("Can't back up any further"), 0);
11150 if (cmailMsgLoaded) {
11151 return CmailLoadGame(lastLoadGameFP, gameNumber,
11152 lastLoadGameTitle, lastLoadGameUseList);
11154 return LoadGame(lastLoadGameFP, gameNumber,
11155 lastLoadGameTitle, lastLoadGameUseList);
11159 int keys[EmptySquare+1];
11162 PositionMatches(Board b1, Board b2)
11165 switch(appData.searchMode) {
11166 case 1: return CompareWithRights(b1, b2);
11168 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11169 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11173 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11174 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11175 sum += keys[b1[r][f]] - keys[b2[r][f]];
11179 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11180 sum += keys[b1[r][f]] - keys[b2[r][f]];
11192 int pieceList[256], quickBoard[256];
11193 ChessSquare pieceType[256] = { EmptySquare };
11194 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11195 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11196 int soughtTotal, turn;
11197 Boolean epOK, flipSearch;
11200 unsigned char piece, to;
11203 #define DSIZE (250000)
11205 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11206 Move *moveDatabase = initialSpace;
11207 unsigned int movePtr, dataSize = DSIZE;
11209 int MakePieceList(Board board, int *counts)
11211 int r, f, n=Q_PROMO, total=0;
11212 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11213 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11214 int sq = f + (r<<4);
11215 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11216 quickBoard[sq] = ++n;
11218 pieceType[n] = board[r][f];
11219 counts[board[r][f]]++;
11220 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11221 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11225 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11229 void PackMove(int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11231 int sq = fromX + (fromY<<4);
11232 int piece = quickBoard[sq];
11233 quickBoard[sq] = 0;
11234 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11235 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11236 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11237 moveDatabase[movePtr++].piece = Q_WCASTL;
11238 quickBoard[sq] = piece;
11239 piece = quickBoard[from]; quickBoard[from] = 0;
11240 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11242 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11243 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11244 moveDatabase[movePtr++].piece = Q_BCASTL;
11245 quickBoard[sq] = piece;
11246 piece = quickBoard[from]; quickBoard[from] = 0;
11247 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11249 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11250 quickBoard[(fromY<<4)+toX] = 0;
11251 moveDatabase[movePtr].piece = Q_EP;
11252 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11253 moveDatabase[movePtr].to = sq;
11255 if(promoPiece != pieceType[piece]) {
11256 moveDatabase[movePtr++].piece = Q_PROMO;
11257 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11259 moveDatabase[movePtr].piece = piece;
11260 quickBoard[sq] = piece;
11264 int PackGame(Board board)
11266 Move *newSpace = NULL;
11267 moveDatabase[movePtr].piece = 0; // terminate previous game
11268 if(movePtr > dataSize) {
11269 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11270 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11271 if(dataSize) newSpace = (Move*) calloc(8*dataSize + 1000, sizeof(Move));
11274 Move *p = moveDatabase, *q = newSpace;
11275 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11276 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11277 moveDatabase = newSpace;
11278 } else { // calloc failed, we must be out of memory. Too bad...
11279 dataSize = 0; // prevent calloc events for all subsequent games
11280 return 0; // and signal this one isn't cached
11284 MakePieceList(board, counts);
11288 int QuickCompare(Board board, int *minCounts, int *maxCounts)
11289 { // compare according to search mode
11291 switch(appData.searchMode)
11293 case 1: // exact position match
11294 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11295 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11296 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11299 case 2: // can have extra material on empty squares
11300 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11301 if(board[r][f] == EmptySquare) continue;
11302 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11305 case 3: // material with exact Pawn structure
11306 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11307 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11308 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11309 } // fall through to material comparison
11310 case 4: // exact material
11311 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11313 case 6: // material range with given imbalance
11314 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11315 // fall through to range comparison
11316 case 5: // material range
11317 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11322 int QuickScan(Board board, Move *move)
11323 { // reconstruct game,and compare all positions in it
11324 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11326 int piece = move->piece;
11327 int to = move->to, from = pieceList[piece];
11328 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11329 if(!piece) return -1;
11330 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11331 piece = (++move)->piece;
11332 from = pieceList[piece];
11333 counts[pieceType[piece]]--;
11334 pieceType[piece] = (ChessSquare) move->to;
11335 counts[move->to]++;
11336 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11337 counts[pieceType[quickBoard[to]]]--;
11338 quickBoard[to] = 0; total--;
11341 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11342 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11343 from = pieceList[piece]; // so this must be King
11344 quickBoard[from] = 0;
11345 quickBoard[to] = piece;
11346 pieceList[piece] = to;
11351 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11352 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11353 quickBoard[from] = 0;
11354 quickBoard[to] = piece;
11355 pieceList[piece] = to;
11357 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11358 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11359 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11360 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11362 static int lastCounts[EmptySquare+1];
11364 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11365 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11366 } else stretch = 0;
11367 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11375 flipSearch = FALSE;
11376 CopyBoard(soughtBoard, boards[currentMove]);
11377 soughtTotal = MakePieceList(soughtBoard, maxSought);
11378 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11379 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11380 CopyBoard(reverseBoard, boards[currentMove]);
11381 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11382 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11383 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11384 reverseBoard[r][f] = piece;
11386 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11387 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11388 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11389 || (boards[currentMove][CASTLING][2] == NoRights ||
11390 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11391 && (boards[currentMove][CASTLING][5] == NoRights ||
11392 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11395 CopyBoard(flipBoard, soughtBoard);
11396 CopyBoard(rotateBoard, reverseBoard);
11397 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11398 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11399 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11402 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11403 if(appData.searchMode >= 5) {
11404 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11405 MakePieceList(soughtBoard, minSought);
11406 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11408 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11409 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11412 GameInfo dummyInfo;
11414 int GameContainsPosition(FILE *f, ListGame *lg)
11416 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11417 int fromX, fromY, toX, toY;
11419 static int initDone=FALSE;
11421 // weed out games based on numerical tag comparison
11422 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11423 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11424 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11425 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11427 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11430 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11431 else CopyBoard(boards[scratch], initialPosition); // default start position
11434 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11435 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11438 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11439 fseek(f, lg->offset, 0);
11442 yyboardindex = scratch;
11443 quickFlag = plyNr+1;
11448 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11454 if(plyNr) return -1; // after we have seen moves, this is for new game
11457 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11458 case ImpossibleMove:
11459 case WhiteWins: // game ends here with these four
11462 case GameUnfinished:
11466 if(appData.testLegality) return -1;
11467 case WhiteCapturesEnPassant:
11468 case BlackCapturesEnPassant:
11469 case WhitePromotion:
11470 case BlackPromotion:
11471 case WhiteNonPromotion:
11472 case BlackNonPromotion:
11474 case WhiteKingSideCastle:
11475 case WhiteQueenSideCastle:
11476 case BlackKingSideCastle:
11477 case BlackQueenSideCastle:
11478 case WhiteKingSideCastleWild:
11479 case WhiteQueenSideCastleWild:
11480 case BlackKingSideCastleWild:
11481 case BlackQueenSideCastleWild:
11482 case WhiteHSideCastleFR:
11483 case WhiteASideCastleFR:
11484 case BlackHSideCastleFR:
11485 case BlackASideCastleFR:
11486 fromX = currentMoveString[0] - AAA;
11487 fromY = currentMoveString[1] - ONE;
11488 toX = currentMoveString[2] - AAA;
11489 toY = currentMoveString[3] - ONE;
11490 promoChar = currentMoveString[4];
11494 fromX = next == WhiteDrop ?
11495 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11496 (int) CharToPiece(ToLower(currentMoveString[0]));
11498 toX = currentMoveString[2] - AAA;
11499 toY = currentMoveString[3] - ONE;
11503 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11505 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11506 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11507 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11508 if(appData.findMirror) {
11509 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11510 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11515 /* Load the nth game from open file f */
11517 LoadGame(f, gameNumber, title, useList)
11525 int gn = gameNumber;
11526 ListGame *lg = NULL;
11527 int numPGNTags = 0;
11529 GameMode oldGameMode;
11530 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11532 if (appData.debugMode)
11533 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11535 if (gameMode == Training )
11536 SetTrainingModeOff();
11538 oldGameMode = gameMode;
11539 if (gameMode != BeginningOfGame) {
11540 Reset(FALSE, TRUE);
11544 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11545 fclose(lastLoadGameFP);
11549 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11552 fseek(f, lg->offset, 0);
11553 GameListHighlight(gameNumber);
11554 pos = lg->position;
11558 DisplayError(_("Game number out of range"), 0);
11563 if (fseek(f, 0, 0) == -1) {
11564 if (f == lastLoadGameFP ?
11565 gameNumber == lastLoadGameNumber + 1 :
11569 DisplayError(_("Can't seek on game file"), 0);
11574 lastLoadGameFP = f;
11575 lastLoadGameNumber = gameNumber;
11576 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11577 lastLoadGameUseList = useList;
11581 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11582 snprintf(buf, sizeof(buf), _("%s vs. %s"), lg->gameInfo.white,
11583 lg->gameInfo.black);
11585 } else if (*title != NULLCHAR) {
11586 if (gameNumber > 1) {
11587 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11590 DisplayTitle(title);
11594 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11595 gameMode = PlayFromGameFile;
11599 currentMove = forwardMostMove = backwardMostMove = 0;
11600 CopyBoard(boards[0], initialPosition);
11604 * Skip the first gn-1 games in the file.
11605 * Also skip over anything that precedes an identifiable
11606 * start of game marker, to avoid being confused by
11607 * garbage at the start of the file. Currently
11608 * recognized start of game markers are the move number "1",
11609 * the pattern "gnuchess .* game", the pattern
11610 * "^[#;%] [^ ]* game file", and a PGN tag block.
11611 * A game that starts with one of the latter two patterns
11612 * will also have a move number 1, possibly
11613 * following a position diagram.
11614 * 5-4-02: Let's try being more lenient and allowing a game to
11615 * start with an unnumbered move. Does that break anything?
11617 cm = lastLoadGameStart = EndOfFile;
11619 yyboardindex = forwardMostMove;
11620 cm = (ChessMove) Myylex();
11623 if (cmailMsgLoaded) {
11624 nCmailGames = CMAIL_MAX_GAMES - gn;
11627 DisplayError(_("Game not found in file"), 0);
11634 lastLoadGameStart = cm;
11637 case MoveNumberOne:
11638 switch (lastLoadGameStart) {
11643 case MoveNumberOne:
11645 gn--; /* count this game */
11646 lastLoadGameStart = cm;
11655 switch (lastLoadGameStart) {
11658 case MoveNumberOne:
11660 gn--; /* count this game */
11661 lastLoadGameStart = cm;
11664 lastLoadGameStart = cm; /* game counted already */
11672 yyboardindex = forwardMostMove;
11673 cm = (ChessMove) Myylex();
11674 } while (cm == PGNTag || cm == Comment);
11681 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11682 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11683 != CMAIL_OLD_RESULT) {
11685 cmailResult[ CMAIL_MAX_GAMES
11686 - gn - 1] = CMAIL_OLD_RESULT;
11692 /* Only a NormalMove can be at the start of a game
11693 * without a position diagram. */
11694 if (lastLoadGameStart == EndOfFile ) {
11696 lastLoadGameStart = MoveNumberOne;
11705 if (appData.debugMode)
11706 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11708 if (cm == XBoardGame) {
11709 /* Skip any header junk before position diagram and/or move 1 */
11711 yyboardindex = forwardMostMove;
11712 cm = (ChessMove) Myylex();
11714 if (cm == EndOfFile ||
11715 cm == GNUChessGame || cm == XBoardGame) {
11716 /* Empty game; pretend end-of-file and handle later */
11721 if (cm == MoveNumberOne || cm == PositionDiagram ||
11722 cm == PGNTag || cm == Comment)
11725 } else if (cm == GNUChessGame) {
11726 if (gameInfo.event != NULL) {
11727 free(gameInfo.event);
11729 gameInfo.event = StrSave(yy_text);
11732 startedFromSetupPosition = FALSE;
11733 while (cm == PGNTag) {
11734 if (appData.debugMode)
11735 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11736 err = ParsePGNTag(yy_text, &gameInfo);
11737 if (!err) numPGNTags++;
11739 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11740 if(gameInfo.variant != oldVariant) {
11741 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11742 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11743 InitPosition(TRUE);
11744 oldVariant = gameInfo.variant;
11745 if (appData.debugMode)
11746 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11750 if (gameInfo.fen != NULL) {
11751 Board initial_position;
11752 startedFromSetupPosition = TRUE;
11753 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11755 DisplayError(_("Bad FEN position in file"), 0);
11758 CopyBoard(boards[0], initial_position);
11759 if (blackPlaysFirst) {
11760 currentMove = forwardMostMove = backwardMostMove = 1;
11761 CopyBoard(boards[1], initial_position);
11762 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11763 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11764 timeRemaining[0][1] = whiteTimeRemaining;
11765 timeRemaining[1][1] = blackTimeRemaining;
11766 if (commentList[0] != NULL) {
11767 commentList[1] = commentList[0];
11768 commentList[0] = NULL;
11771 currentMove = forwardMostMove = backwardMostMove = 0;
11773 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11775 initialRulePlies = FENrulePlies;
11776 for( i=0; i< nrCastlingRights; i++ )
11777 initialRights[i] = initial_position[CASTLING][i];
11779 yyboardindex = forwardMostMove;
11780 free(gameInfo.fen);
11781 gameInfo.fen = NULL;
11784 yyboardindex = forwardMostMove;
11785 cm = (ChessMove) Myylex();
11787 /* Handle comments interspersed among the tags */
11788 while (cm == Comment) {
11790 if (appData.debugMode)
11791 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11793 AppendComment(currentMove, p, FALSE);
11794 yyboardindex = forwardMostMove;
11795 cm = (ChessMove) Myylex();
11799 /* don't rely on existence of Event tag since if game was
11800 * pasted from clipboard the Event tag may not exist
11802 if (numPGNTags > 0){
11804 if (gameInfo.variant == VariantNormal) {
11805 VariantClass v = StringToVariant(gameInfo.event);
11806 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11807 if(v < VariantShogi) gameInfo.variant = v;
11810 if( appData.autoDisplayTags ) {
11811 tags = PGNTags(&gameInfo);
11812 TagsPopUp(tags, CmailMsg());
11817 /* Make something up, but don't display it now */
11822 if (cm == PositionDiagram) {
11825 Board initial_position;
11827 if (appData.debugMode)
11828 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11830 if (!startedFromSetupPosition) {
11832 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11833 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11844 initial_position[i][j++] = CharToPiece(*p);
11847 while (*p == ' ' || *p == '\t' ||
11848 *p == '\n' || *p == '\r') p++;
11850 if (strncmp(p, "black", strlen("black"))==0)
11851 blackPlaysFirst = TRUE;
11853 blackPlaysFirst = FALSE;
11854 startedFromSetupPosition = TRUE;
11856 CopyBoard(boards[0], initial_position);
11857 if (blackPlaysFirst) {
11858 currentMove = forwardMostMove = backwardMostMove = 1;
11859 CopyBoard(boards[1], initial_position);
11860 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11861 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11862 timeRemaining[0][1] = whiteTimeRemaining;
11863 timeRemaining[1][1] = blackTimeRemaining;
11864 if (commentList[0] != NULL) {
11865 commentList[1] = commentList[0];
11866 commentList[0] = NULL;
11869 currentMove = forwardMostMove = backwardMostMove = 0;
11872 yyboardindex = forwardMostMove;
11873 cm = (ChessMove) Myylex();
11876 if (first.pr == NoProc) {
11877 StartChessProgram(&first);
11879 InitChessProgram(&first, FALSE);
11880 SendToProgram("force\n", &first);
11881 if (startedFromSetupPosition) {
11882 SendBoard(&first, forwardMostMove);
11883 if (appData.debugMode) {
11884 fprintf(debugFP, "Load Game\n");
11886 DisplayBothClocks();
11889 /* [HGM] server: flag to write setup moves in broadcast file as one */
11890 loadFlag = appData.suppressLoadMoves;
11892 while (cm == Comment) {
11894 if (appData.debugMode)
11895 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11897 AppendComment(currentMove, p, FALSE);
11898 yyboardindex = forwardMostMove;
11899 cm = (ChessMove) Myylex();
11902 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11903 cm == WhiteWins || cm == BlackWins ||
11904 cm == GameIsDrawn || cm == GameUnfinished) {
11905 DisplayMessage("", _("No moves in game"));
11906 if (cmailMsgLoaded) {
11907 if (appData.debugMode)
11908 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11912 DrawPosition(FALSE, boards[currentMove]);
11913 DisplayBothClocks();
11914 gameMode = EditGame;
11921 // [HGM] PV info: routine tests if comment empty
11922 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11923 DisplayComment(currentMove - 1, commentList[currentMove]);
11925 if (!matchMode && appData.timeDelay != 0)
11926 DrawPosition(FALSE, boards[currentMove]);
11928 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11929 programStats.ok_to_send = 1;
11932 /* if the first token after the PGN tags is a move
11933 * and not move number 1, retrieve it from the parser
11935 if (cm != MoveNumberOne)
11936 LoadGameOneMove(cm);
11938 /* load the remaining moves from the file */
11939 while (LoadGameOneMove(EndOfFile)) {
11940 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11941 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11944 /* rewind to the start of the game */
11945 currentMove = backwardMostMove;
11947 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11949 if (oldGameMode == AnalyzeFile ||
11950 oldGameMode == AnalyzeMode) {
11951 AnalyzeFileEvent();
11954 if (!matchMode && pos >= 0) {
11955 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11957 if (matchMode || appData.timeDelay == 0) {
11959 } else if (appData.timeDelay > 0) {
11960 AutoPlayGameLoop();
11963 if (appData.debugMode)
11964 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11966 loadFlag = 0; /* [HGM] true game starts */
11970 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11972 ReloadPosition(offset)
11975 int positionNumber = lastLoadPositionNumber + offset;
11976 if (lastLoadPositionFP == NULL) {
11977 DisplayError(_("No position has been loaded yet"), 0);
11980 if (positionNumber <= 0) {
11981 DisplayError(_("Can't back up any further"), 0);
11984 return LoadPosition(lastLoadPositionFP, positionNumber,
11985 lastLoadPositionTitle);
11988 /* Load the nth position from the given file */
11990 LoadPositionFromFile(filename, n, title)
11998 if (strcmp(filename, "-") == 0) {
11999 return LoadPosition(stdin, n, "stdin");
12001 f = fopen(filename, "rb");
12003 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12004 DisplayError(buf, errno);
12007 return LoadPosition(f, n, title);
12012 /* Load the nth position from the given open file, and close it */
12014 LoadPosition(f, positionNumber, title)
12016 int positionNumber;
12019 char *p, line[MSG_SIZ];
12020 Board initial_position;
12021 int i, j, fenMode, pn;
12023 if (gameMode == Training )
12024 SetTrainingModeOff();
12026 if (gameMode != BeginningOfGame) {
12027 Reset(FALSE, TRUE);
12029 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12030 fclose(lastLoadPositionFP);
12032 if (positionNumber == 0) positionNumber = 1;
12033 lastLoadPositionFP = f;
12034 lastLoadPositionNumber = positionNumber;
12035 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12036 if (first.pr == NoProc && !appData.noChessProgram) {
12037 StartChessProgram(&first);
12038 InitChessProgram(&first, FALSE);
12040 pn = positionNumber;
12041 if (positionNumber < 0) {
12042 /* Negative position number means to seek to that byte offset */
12043 if (fseek(f, -positionNumber, 0) == -1) {
12044 DisplayError(_("Can't seek on position file"), 0);
12049 if (fseek(f, 0, 0) == -1) {
12050 if (f == lastLoadPositionFP ?
12051 positionNumber == lastLoadPositionNumber + 1 :
12052 positionNumber == 1) {
12055 DisplayError(_("Can't seek on position file"), 0);
12060 /* See if this file is FEN or old-style xboard */
12061 if (fgets(line, MSG_SIZ, f) == NULL) {
12062 DisplayError(_("Position not found in file"), 0);
12065 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12066 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12069 if (fenMode || line[0] == '#') pn--;
12071 /* skip positions before number pn */
12072 if (fgets(line, MSG_SIZ, f) == NULL) {
12074 DisplayError(_("Position not found in file"), 0);
12077 if (fenMode || line[0] == '#') pn--;
12082 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12083 DisplayError(_("Bad FEN position in file"), 0);
12087 (void) fgets(line, MSG_SIZ, f);
12088 (void) fgets(line, MSG_SIZ, f);
12090 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12091 (void) fgets(line, MSG_SIZ, f);
12092 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12095 initial_position[i][j++] = CharToPiece(*p);
12099 blackPlaysFirst = FALSE;
12101 (void) fgets(line, MSG_SIZ, f);
12102 if (strncmp(line, "black", strlen("black"))==0)
12103 blackPlaysFirst = TRUE;
12106 startedFromSetupPosition = TRUE;
12108 CopyBoard(boards[0], initial_position);
12109 if (blackPlaysFirst) {
12110 currentMove = forwardMostMove = backwardMostMove = 1;
12111 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12112 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12113 CopyBoard(boards[1], initial_position);
12114 DisplayMessage("", _("Black to play"));
12116 currentMove = forwardMostMove = backwardMostMove = 0;
12117 DisplayMessage("", _("White to play"));
12119 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12120 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12121 SendToProgram("force\n", &first);
12122 SendBoard(&first, forwardMostMove);
12124 if (appData.debugMode) {
12126 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12127 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12128 fprintf(debugFP, "Load Position\n");
12131 if (positionNumber > 1) {
12132 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12133 DisplayTitle(line);
12135 DisplayTitle(title);
12137 gameMode = EditGame;
12140 timeRemaining[0][1] = whiteTimeRemaining;
12141 timeRemaining[1][1] = blackTimeRemaining;
12142 DrawPosition(FALSE, boards[currentMove]);
12149 CopyPlayerNameIntoFileName(dest, src)
12152 while (*src != NULLCHAR && *src != ',') {
12157 *(*dest)++ = *src++;
12162 char *DefaultFileName(ext)
12165 static char def[MSG_SIZ];
12168 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12170 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12172 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12174 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12181 /* Save the current game to the given file */
12183 SaveGameToFile(filename, append)
12189 int result, i, t,tot=0;
12191 if (strcmp(filename, "-") == 0) {
12192 return SaveGame(stdout, 0, NULL);
12194 for(i=0; i<10; i++) { // upto 10 tries
12195 f = fopen(filename, append ? "a" : "w");
12196 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12197 if(f || errno != 13) break;
12198 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12202 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12203 DisplayError(buf, errno);
12206 safeStrCpy(buf, lastMsg, MSG_SIZ);
12207 DisplayMessage(_("Waiting for access to save file"), "");
12208 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12209 DisplayMessage(_("Saving game"), "");
12210 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12211 result = SaveGame(f, 0, NULL);
12212 DisplayMessage(buf, "");
12222 static char buf[MSG_SIZ];
12225 p = strchr(str, ' ');
12226 if (p == NULL) return str;
12227 strncpy(buf, str, p - str);
12228 buf[p - str] = NULLCHAR;
12232 #define PGN_MAX_LINE 75
12234 #define PGN_SIDE_WHITE 0
12235 #define PGN_SIDE_BLACK 1
12238 static int FindFirstMoveOutOfBook( int side )
12242 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12243 int index = backwardMostMove;
12244 int has_book_hit = 0;
12246 if( (index % 2) != side ) {
12250 while( index < forwardMostMove ) {
12251 /* Check to see if engine is in book */
12252 int depth = pvInfoList[index].depth;
12253 int score = pvInfoList[index].score;
12259 else if( score == 0 && depth == 63 ) {
12260 in_book = 1; /* Zappa */
12262 else if( score == 2 && depth == 99 ) {
12263 in_book = 1; /* Abrok */
12266 has_book_hit += in_book;
12282 void GetOutOfBookInfo( char * buf )
12286 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12288 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12289 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12293 if( oob[0] >= 0 || oob[1] >= 0 ) {
12294 for( i=0; i<2; i++ ) {
12298 if( i > 0 && oob[0] >= 0 ) {
12299 strcat( buf, " " );
12302 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12303 sprintf( buf+strlen(buf), "%s%.2f",
12304 pvInfoList[idx].score >= 0 ? "+" : "",
12305 pvInfoList[idx].score / 100.0 );
12311 /* Save game in PGN style and close the file */
12316 int i, offset, linelen, newblock;
12320 int movelen, numlen, blank;
12321 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12323 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12325 tm = time((time_t *) NULL);
12327 PrintPGNTags(f, &gameInfo);
12329 if (backwardMostMove > 0 || startedFromSetupPosition) {
12330 char *fen = PositionToFEN(backwardMostMove, NULL);
12331 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12332 fprintf(f, "\n{--------------\n");
12333 PrintPosition(f, backwardMostMove);
12334 fprintf(f, "--------------}\n");
12338 /* [AS] Out of book annotation */
12339 if( appData.saveOutOfBookInfo ) {
12342 GetOutOfBookInfo( buf );
12344 if( buf[0] != '\0' ) {
12345 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12352 i = backwardMostMove;
12356 while (i < forwardMostMove) {
12357 /* Print comments preceding this move */
12358 if (commentList[i] != NULL) {
12359 if (linelen > 0) fprintf(f, "\n");
12360 fprintf(f, "%s", commentList[i]);
12365 /* Format move number */
12367 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12370 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12372 numtext[0] = NULLCHAR;
12374 numlen = strlen(numtext);
12377 /* Print move number */
12378 blank = linelen > 0 && numlen > 0;
12379 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12388 fprintf(f, "%s", numtext);
12392 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12393 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12396 blank = linelen > 0 && movelen > 0;
12397 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12406 fprintf(f, "%s", move_buffer);
12407 linelen += movelen;
12409 /* [AS] Add PV info if present */
12410 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12411 /* [HGM] add time */
12412 char buf[MSG_SIZ]; int seconds;
12414 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12420 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12423 seconds = (seconds + 4)/10; // round to full seconds
12425 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12427 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12430 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12431 pvInfoList[i].score >= 0 ? "+" : "",
12432 pvInfoList[i].score / 100.0,
12433 pvInfoList[i].depth,
12436 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12438 /* Print score/depth */
12439 blank = linelen > 0 && movelen > 0;
12440 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12449 fprintf(f, "%s", move_buffer);
12450 linelen += movelen;
12456 /* Start a new line */
12457 if (linelen > 0) fprintf(f, "\n");
12459 /* Print comments after last move */
12460 if (commentList[i] != NULL) {
12461 fprintf(f, "%s\n", commentList[i]);
12465 if (gameInfo.resultDetails != NULL &&
12466 gameInfo.resultDetails[0] != NULLCHAR) {
12467 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12468 PGNResult(gameInfo.result));
12470 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12474 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12478 /* Save game in old style and close the file */
12480 SaveGameOldStyle(f)
12486 tm = time((time_t *) NULL);
12488 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12491 if (backwardMostMove > 0 || startedFromSetupPosition) {
12492 fprintf(f, "\n[--------------\n");
12493 PrintPosition(f, backwardMostMove);
12494 fprintf(f, "--------------]\n");
12499 i = backwardMostMove;
12500 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12502 while (i < forwardMostMove) {
12503 if (commentList[i] != NULL) {
12504 fprintf(f, "[%s]\n", commentList[i]);
12507 if ((i % 2) == 1) {
12508 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12511 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12513 if (commentList[i] != NULL) {
12517 if (i >= forwardMostMove) {
12521 fprintf(f, "%s\n", parseList[i]);
12526 if (commentList[i] != NULL) {
12527 fprintf(f, "[%s]\n", commentList[i]);
12530 /* This isn't really the old style, but it's close enough */
12531 if (gameInfo.resultDetails != NULL &&
12532 gameInfo.resultDetails[0] != NULLCHAR) {
12533 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12534 gameInfo.resultDetails);
12536 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12543 /* Save the current game to open file f and close the file */
12545 SaveGame(f, dummy, dummy2)
12550 if (gameMode == EditPosition) EditPositionDone(TRUE);
12551 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12552 if (appData.oldSaveStyle)
12553 return SaveGameOldStyle(f);
12555 return SaveGamePGN(f);
12558 /* Save the current position to the given file */
12560 SavePositionToFile(filename)
12566 if (strcmp(filename, "-") == 0) {
12567 return SavePosition(stdout, 0, NULL);
12569 f = fopen(filename, "a");
12571 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12572 DisplayError(buf, errno);
12575 safeStrCpy(buf, lastMsg, MSG_SIZ);
12576 DisplayMessage(_("Waiting for access to save file"), "");
12577 flock(fileno(f), LOCK_EX); // [HGM] lock
12578 DisplayMessage(_("Saving position"), "");
12579 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12580 SavePosition(f, 0, NULL);
12581 DisplayMessage(buf, "");
12587 /* Save the current position to the given open file and close the file */
12589 SavePosition(f, dummy, dummy2)
12597 if (gameMode == EditPosition) EditPositionDone(TRUE);
12598 if (appData.oldSaveStyle) {
12599 tm = time((time_t *) NULL);
12601 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12603 fprintf(f, "[--------------\n");
12604 PrintPosition(f, currentMove);
12605 fprintf(f, "--------------]\n");
12607 fen = PositionToFEN(currentMove, NULL);
12608 fprintf(f, "%s\n", fen);
12616 ReloadCmailMsgEvent(unregister)
12620 static char *inFilename = NULL;
12621 static char *outFilename;
12623 struct stat inbuf, outbuf;
12626 /* Any registered moves are unregistered if unregister is set, */
12627 /* i.e. invoked by the signal handler */
12629 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12630 cmailMoveRegistered[i] = FALSE;
12631 if (cmailCommentList[i] != NULL) {
12632 free(cmailCommentList[i]);
12633 cmailCommentList[i] = NULL;
12636 nCmailMovesRegistered = 0;
12639 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12640 cmailResult[i] = CMAIL_NOT_RESULT;
12644 if (inFilename == NULL) {
12645 /* Because the filenames are static they only get malloced once */
12646 /* and they never get freed */
12647 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12648 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12650 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12651 sprintf(outFilename, "%s.out", appData.cmailGameName);
12654 status = stat(outFilename, &outbuf);
12656 cmailMailedMove = FALSE;
12658 status = stat(inFilename, &inbuf);
12659 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12662 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12663 counts the games, notes how each one terminated, etc.
12665 It would be nice to remove this kludge and instead gather all
12666 the information while building the game list. (And to keep it
12667 in the game list nodes instead of having a bunch of fixed-size
12668 parallel arrays.) Note this will require getting each game's
12669 termination from the PGN tags, as the game list builder does
12670 not process the game moves. --mann
12672 cmailMsgLoaded = TRUE;
12673 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12675 /* Load first game in the file or popup game menu */
12676 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12678 #endif /* !WIN32 */
12686 char string[MSG_SIZ];
12688 if ( cmailMailedMove
12689 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12690 return TRUE; /* Allow free viewing */
12693 /* Unregister move to ensure that we don't leave RegisterMove */
12694 /* with the move registered when the conditions for registering no */
12696 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12697 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12698 nCmailMovesRegistered --;
12700 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12702 free(cmailCommentList[lastLoadGameNumber - 1]);
12703 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12707 if (cmailOldMove == -1) {
12708 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12712 if (currentMove > cmailOldMove + 1) {
12713 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12717 if (currentMove < cmailOldMove) {
12718 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12722 if (forwardMostMove > currentMove) {
12723 /* Silently truncate extra moves */
12727 if ( (currentMove == cmailOldMove + 1)
12728 || ( (currentMove == cmailOldMove)
12729 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12730 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12731 if (gameInfo.result != GameUnfinished) {
12732 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12735 if (commentList[currentMove] != NULL) {
12736 cmailCommentList[lastLoadGameNumber - 1]
12737 = StrSave(commentList[currentMove]);
12739 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12741 if (appData.debugMode)
12742 fprintf(debugFP, "Saving %s for game %d\n",
12743 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12745 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12747 f = fopen(string, "w");
12748 if (appData.oldSaveStyle) {
12749 SaveGameOldStyle(f); /* also closes the file */
12751 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12752 f = fopen(string, "w");
12753 SavePosition(f, 0, NULL); /* also closes the file */
12755 fprintf(f, "{--------------\n");
12756 PrintPosition(f, currentMove);
12757 fprintf(f, "--------------}\n\n");
12759 SaveGame(f, 0, NULL); /* also closes the file*/
12762 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12763 nCmailMovesRegistered ++;
12764 } else if (nCmailGames == 1) {
12765 DisplayError(_("You have not made a move yet"), 0);
12776 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12777 FILE *commandOutput;
12778 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12779 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12785 if (! cmailMsgLoaded) {
12786 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12790 if (nCmailGames == nCmailResults) {
12791 DisplayError(_("No unfinished games"), 0);
12795 #if CMAIL_PROHIBIT_REMAIL
12796 if (cmailMailedMove) {
12797 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);
12798 DisplayError(msg, 0);
12803 if (! (cmailMailedMove || RegisterMove())) return;
12805 if ( cmailMailedMove
12806 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12807 snprintf(string, MSG_SIZ, partCommandString,
12808 appData.debugMode ? " -v" : "", appData.cmailGameName);
12809 commandOutput = popen(string, "r");
12811 if (commandOutput == NULL) {
12812 DisplayError(_("Failed to invoke cmail"), 0);
12814 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12815 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12817 if (nBuffers > 1) {
12818 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12819 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12820 nBytes = MSG_SIZ - 1;
12822 (void) memcpy(msg, buffer, nBytes);
12824 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12826 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12827 cmailMailedMove = TRUE; /* Prevent >1 moves */
12830 for (i = 0; i < nCmailGames; i ++) {
12831 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12836 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12838 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12840 appData.cmailGameName,
12842 LoadGameFromFile(buffer, 1, buffer, FALSE);
12843 cmailMsgLoaded = FALSE;
12847 DisplayInformation(msg);
12848 pclose(commandOutput);
12851 if ((*cmailMsg) != '\0') {
12852 DisplayInformation(cmailMsg);
12857 #endif /* !WIN32 */
12866 int prependComma = 0;
12868 char string[MSG_SIZ]; /* Space for game-list */
12871 if (!cmailMsgLoaded) return "";
12873 if (cmailMailedMove) {
12874 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12876 /* Create a list of games left */
12877 snprintf(string, MSG_SIZ, "[");
12878 for (i = 0; i < nCmailGames; i ++) {
12879 if (! ( cmailMoveRegistered[i]
12880 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12881 if (prependComma) {
12882 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12884 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12888 strcat(string, number);
12891 strcat(string, "]");
12893 if (nCmailMovesRegistered + nCmailResults == 0) {
12894 switch (nCmailGames) {
12896 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12900 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12904 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12909 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12911 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12916 if (nCmailResults == nCmailGames) {
12917 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12919 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12924 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12936 if (gameMode == Training)
12937 SetTrainingModeOff();
12940 cmailMsgLoaded = FALSE;
12941 if (appData.icsActive) {
12942 SendToICS(ics_prefix);
12943 SendToICS("refresh\n");
12953 /* Give up on clean exit */
12957 /* Keep trying for clean exit */
12961 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12963 if (telnetISR != NULL) {
12964 RemoveInputSource(telnetISR);
12966 if (icsPR != NoProc) {
12967 DestroyChildProcess(icsPR, TRUE);
12970 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12971 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12973 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12974 /* make sure this other one finishes before killing it! */
12975 if(endingGame) { int count = 0;
12976 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12977 while(endingGame && count++ < 10) DoSleep(1);
12978 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12981 /* Kill off chess programs */
12982 if (first.pr != NoProc) {
12985 DoSleep( appData.delayBeforeQuit );
12986 SendToProgram("quit\n", &first);
12987 DoSleep( appData.delayAfterQuit );
12988 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12990 if (second.pr != NoProc) {
12991 DoSleep( appData.delayBeforeQuit );
12992 SendToProgram("quit\n", &second);
12993 DoSleep( appData.delayAfterQuit );
12994 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12996 if (first.isr != NULL) {
12997 RemoveInputSource(first.isr);
12999 if (second.isr != NULL) {
13000 RemoveInputSource(second.isr);
13003 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13004 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13006 ShutDownFrontEnd();
13013 if (appData.debugMode)
13014 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13018 if (gameMode == MachinePlaysWhite ||
13019 gameMode == MachinePlaysBlack) {
13022 DisplayBothClocks();
13024 if (gameMode == PlayFromGameFile) {
13025 if (appData.timeDelay >= 0)
13026 AutoPlayGameLoop();
13027 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13028 Reset(FALSE, TRUE);
13029 SendToICS(ics_prefix);
13030 SendToICS("refresh\n");
13031 } else if (currentMove < forwardMostMove) {
13032 ForwardInner(forwardMostMove);
13034 pauseExamInvalid = FALSE;
13036 switch (gameMode) {
13040 pauseExamForwardMostMove = forwardMostMove;
13041 pauseExamInvalid = FALSE;
13044 case IcsPlayingWhite:
13045 case IcsPlayingBlack:
13049 case PlayFromGameFile:
13050 (void) StopLoadGameTimer();
13054 case BeginningOfGame:
13055 if (appData.icsActive) return;
13056 /* else fall through */
13057 case MachinePlaysWhite:
13058 case MachinePlaysBlack:
13059 case TwoMachinesPlay:
13060 if (forwardMostMove == 0)
13061 return; /* don't pause if no one has moved */
13062 if ((gameMode == MachinePlaysWhite &&
13063 !WhiteOnMove(forwardMostMove)) ||
13064 (gameMode == MachinePlaysBlack &&
13065 WhiteOnMove(forwardMostMove))) {
13078 char title[MSG_SIZ];
13080 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13081 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13083 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13084 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13085 parseList[currentMove - 1]);
13088 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13095 char *tags = PGNTags(&gameInfo);
13097 EditTagsPopUp(tags, NULL);
13104 if (appData.noChessProgram || gameMode == AnalyzeMode)
13107 if (gameMode != AnalyzeFile) {
13108 if (!appData.icsEngineAnalyze) {
13110 if (gameMode != EditGame) return;
13112 ResurrectChessProgram();
13113 SendToProgram("analyze\n", &first);
13114 first.analyzing = TRUE;
13115 /*first.maybeThinking = TRUE;*/
13116 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13117 EngineOutputPopUp();
13119 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13124 StartAnalysisClock();
13125 GetTimeMark(&lastNodeCountTime);
13132 if (appData.noChessProgram || gameMode == AnalyzeFile)
13135 if (gameMode != AnalyzeMode) {
13137 if (gameMode != EditGame) return;
13138 ResurrectChessProgram();
13139 SendToProgram("analyze\n", &first);
13140 first.analyzing = TRUE;
13141 /*first.maybeThinking = TRUE;*/
13142 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13143 EngineOutputPopUp();
13145 gameMode = AnalyzeFile;
13150 StartAnalysisClock();
13151 GetTimeMark(&lastNodeCountTime);
13153 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13157 MachineWhiteEvent()
13160 char *bookHit = NULL;
13162 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13166 if (gameMode == PlayFromGameFile ||
13167 gameMode == TwoMachinesPlay ||
13168 gameMode == Training ||
13169 gameMode == AnalyzeMode ||
13170 gameMode == EndOfGame)
13173 if (gameMode == EditPosition)
13174 EditPositionDone(TRUE);
13176 if (!WhiteOnMove(currentMove)) {
13177 DisplayError(_("It is not White's turn"), 0);
13181 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13184 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13185 gameMode == AnalyzeFile)
13188 ResurrectChessProgram(); /* in case it isn't running */
13189 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13190 gameMode = MachinePlaysWhite;
13193 gameMode = MachinePlaysWhite;
13197 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
13199 if (first.sendName) {
13200 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13201 SendToProgram(buf, &first);
13203 if (first.sendTime) {
13204 if (first.useColors) {
13205 SendToProgram("black\n", &first); /*gnu kludge*/
13207 SendTimeRemaining(&first, TRUE);
13209 if (first.useColors) {
13210 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13212 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13213 SetMachineThinkingEnables();
13214 first.maybeThinking = TRUE;
13218 if (appData.autoFlipView && !flipView) {
13219 flipView = !flipView;
13220 DrawPosition(FALSE, NULL);
13221 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13224 if(bookHit) { // [HGM] book: simulate book reply
13225 static char bookMove[MSG_SIZ]; // a bit generous?
13227 programStats.nodes = programStats.depth = programStats.time =
13228 programStats.score = programStats.got_only_move = 0;
13229 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13231 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13232 strcat(bookMove, bookHit);
13233 HandleMachineMove(bookMove, &first);
13238 MachineBlackEvent()
13241 char *bookHit = NULL;
13243 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13247 if (gameMode == PlayFromGameFile ||
13248 gameMode == TwoMachinesPlay ||
13249 gameMode == Training ||
13250 gameMode == AnalyzeMode ||
13251 gameMode == EndOfGame)
13254 if (gameMode == EditPosition)
13255 EditPositionDone(TRUE);
13257 if (WhiteOnMove(currentMove)) {
13258 DisplayError(_("It is not Black's turn"), 0);
13262 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13265 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13266 gameMode == AnalyzeFile)
13269 ResurrectChessProgram(); /* in case it isn't running */
13270 gameMode = MachinePlaysBlack;
13274 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
13276 if (first.sendName) {
13277 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13278 SendToProgram(buf, &first);
13280 if (first.sendTime) {
13281 if (first.useColors) {
13282 SendToProgram("white\n", &first); /*gnu kludge*/
13284 SendTimeRemaining(&first, FALSE);
13286 if (first.useColors) {
13287 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13289 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13290 SetMachineThinkingEnables();
13291 first.maybeThinking = TRUE;
13294 if (appData.autoFlipView && flipView) {
13295 flipView = !flipView;
13296 DrawPosition(FALSE, NULL);
13297 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13299 if(bookHit) { // [HGM] book: simulate book reply
13300 static char bookMove[MSG_SIZ]; // a bit generous?
13302 programStats.nodes = programStats.depth = programStats.time =
13303 programStats.score = programStats.got_only_move = 0;
13304 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13306 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13307 strcat(bookMove, bookHit);
13308 HandleMachineMove(bookMove, &first);
13314 DisplayTwoMachinesTitle()
13317 if (appData.matchGames > 0) {
13318 if(appData.tourneyFile[0]) {
13319 snprintf(buf, MSG_SIZ, _("%s vs. %s (%d/%d%s)"),
13320 gameInfo.white, gameInfo.black,
13321 nextGame+1, appData.matchGames+1,
13322 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13324 if (first.twoMachinesColor[0] == 'w') {
13325 snprintf(buf, MSG_SIZ, _("%s vs. %s (%d-%d-%d)"),
13326 gameInfo.white, gameInfo.black,
13327 first.matchWins, second.matchWins,
13328 matchGame - 1 - (first.matchWins + second.matchWins));
13330 snprintf(buf, MSG_SIZ, _("%s vs. %s (%d-%d-%d)"),
13331 gameInfo.white, gameInfo.black,
13332 second.matchWins, first.matchWins,
13333 matchGame - 1 - (first.matchWins + second.matchWins));
13336 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
13342 SettingsMenuIfReady()
13344 if (second.lastPing != second.lastPong) {
13345 DisplayMessage("", _("Waiting for second chess program"));
13346 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13350 DisplayMessage("", "");
13351 SettingsPopUp(&second);
13355 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
13358 if (cps->pr == NoProc) {
13359 StartChessProgram(cps);
13360 if (cps->protocolVersion == 1) {
13363 /* kludge: allow timeout for initial "feature" command */
13365 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13366 DisplayMessage("", buf);
13367 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13375 TwoMachinesEvent P((void))
13379 ChessProgramState *onmove;
13380 char *bookHit = NULL;
13381 static int stalling = 0;
13385 if (appData.noChessProgram) return;
13387 switch (gameMode) {
13388 case TwoMachinesPlay:
13390 case MachinePlaysWhite:
13391 case MachinePlaysBlack:
13392 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13393 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13397 case BeginningOfGame:
13398 case PlayFromGameFile:
13401 if (gameMode != EditGame) return;
13404 EditPositionDone(TRUE);
13415 // forwardMostMove = currentMove;
13416 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13418 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13420 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13421 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13422 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13426 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13427 SendToProgram("force\n", &second);
13429 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13432 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13433 if(appData.matchPause>10000 || appData.matchPause<10)
13434 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13435 wait = SubtractTimeMarks(&now, &pauseStart);
13436 if(wait < appData.matchPause) {
13437 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13441 DisplayMessage("", "");
13442 if (startedFromSetupPosition) {
13443 SendBoard(&second, backwardMostMove);
13444 if (appData.debugMode) {
13445 fprintf(debugFP, "Two Machines\n");
13448 for (i = backwardMostMove; i < forwardMostMove; i++) {
13449 SendMoveToProgram(i, &second);
13452 gameMode = TwoMachinesPlay;
13454 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13456 DisplayTwoMachinesTitle();
13458 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13463 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13464 SendToProgram(first.computerString, &first);
13465 if (first.sendName) {
13466 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13467 SendToProgram(buf, &first);
13469 SendToProgram(second.computerString, &second);
13470 if (second.sendName) {
13471 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13472 SendToProgram(buf, &second);
13476 if (!first.sendTime || !second.sendTime) {
13477 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13478 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13480 if (onmove->sendTime) {
13481 if (onmove->useColors) {
13482 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13484 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13486 if (onmove->useColors) {
13487 SendToProgram(onmove->twoMachinesColor, onmove);
13489 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13490 // SendToProgram("go\n", onmove);
13491 onmove->maybeThinking = TRUE;
13492 SetMachineThinkingEnables();
13496 if(bookHit) { // [HGM] book: simulate book reply
13497 static char bookMove[MSG_SIZ]; // a bit generous?
13499 programStats.nodes = programStats.depth = programStats.time =
13500 programStats.score = programStats.got_only_move = 0;
13501 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13503 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13504 strcat(bookMove, bookHit);
13505 savedMessage = bookMove; // args for deferred call
13506 savedState = onmove;
13507 ScheduleDelayedEvent(DeferredBookMove, 1);
13514 if (gameMode == Training) {
13515 SetTrainingModeOff();
13516 gameMode = PlayFromGameFile;
13517 DisplayMessage("", _("Training mode off"));
13519 gameMode = Training;
13520 animateTraining = appData.animate;
13522 /* make sure we are not already at the end of the game */
13523 if (currentMove < forwardMostMove) {
13524 SetTrainingModeOn();
13525 DisplayMessage("", _("Training mode on"));
13527 gameMode = PlayFromGameFile;
13528 DisplayError(_("Already at end of game"), 0);
13537 if (!appData.icsActive) return;
13538 switch (gameMode) {
13539 case IcsPlayingWhite:
13540 case IcsPlayingBlack:
13543 case BeginningOfGame:
13551 EditPositionDone(TRUE);
13564 gameMode = IcsIdle;
13575 switch (gameMode) {
13577 SetTrainingModeOff();
13579 case MachinePlaysWhite:
13580 case MachinePlaysBlack:
13581 case BeginningOfGame:
13582 SendToProgram("force\n", &first);
13583 SetUserThinkingEnables();
13585 case PlayFromGameFile:
13586 (void) StopLoadGameTimer();
13587 if (gameFileFP != NULL) {
13592 EditPositionDone(TRUE);
13597 SendToProgram("force\n", &first);
13599 case TwoMachinesPlay:
13600 GameEnds(EndOfFile, NULL, GE_PLAYER);
13601 ResurrectChessProgram();
13602 SetUserThinkingEnables();
13605 ResurrectChessProgram();
13607 case IcsPlayingBlack:
13608 case IcsPlayingWhite:
13609 DisplayError(_("Warning: You are still playing a game"), 0);
13612 DisplayError(_("Warning: You are still observing a game"), 0);
13615 DisplayError(_("Warning: You are still examining a game"), 0);
13626 first.offeredDraw = second.offeredDraw = 0;
13628 if (gameMode == PlayFromGameFile) {
13629 whiteTimeRemaining = timeRemaining[0][currentMove];
13630 blackTimeRemaining = timeRemaining[1][currentMove];
13634 if (gameMode == MachinePlaysWhite ||
13635 gameMode == MachinePlaysBlack ||
13636 gameMode == TwoMachinesPlay ||
13637 gameMode == EndOfGame) {
13638 i = forwardMostMove;
13639 while (i > currentMove) {
13640 SendToProgram("undo\n", &first);
13643 if(!adjustedClock) {
13644 whiteTimeRemaining = timeRemaining[0][currentMove];
13645 blackTimeRemaining = timeRemaining[1][currentMove];
13646 DisplayBothClocks();
13648 if (whiteFlag || blackFlag) {
13649 whiteFlag = blackFlag = 0;
13654 gameMode = EditGame;
13661 EditPositionEvent()
13663 if (gameMode == EditPosition) {
13669 if (gameMode != EditGame) return;
13671 gameMode = EditPosition;
13674 if (currentMove > 0)
13675 CopyBoard(boards[0], boards[currentMove]);
13677 blackPlaysFirst = !WhiteOnMove(currentMove);
13679 currentMove = forwardMostMove = backwardMostMove = 0;
13680 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13687 /* [DM] icsEngineAnalyze - possible call from other functions */
13688 if (appData.icsEngineAnalyze) {
13689 appData.icsEngineAnalyze = FALSE;
13691 DisplayMessage("",_("Close ICS engine analyze..."));
13693 if (first.analysisSupport && first.analyzing) {
13694 SendToProgram("exit\n", &first);
13695 first.analyzing = FALSE;
13697 thinkOutput[0] = NULLCHAR;
13701 EditPositionDone(Boolean fakeRights)
13703 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13705 startedFromSetupPosition = TRUE;
13706 InitChessProgram(&first, FALSE);
13707 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13708 boards[0][EP_STATUS] = EP_NONE;
13709 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13710 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13711 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13712 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13713 } else boards[0][CASTLING][2] = NoRights;
13714 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13715 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13716 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13717 } else boards[0][CASTLING][5] = NoRights;
13719 SendToProgram("force\n", &first);
13720 if (blackPlaysFirst) {
13721 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13722 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13723 currentMove = forwardMostMove = backwardMostMove = 1;
13724 CopyBoard(boards[1], boards[0]);
13726 currentMove = forwardMostMove = backwardMostMove = 0;
13728 SendBoard(&first, forwardMostMove);
13729 if (appData.debugMode) {
13730 fprintf(debugFP, "EditPosDone\n");
13733 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13734 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13735 gameMode = EditGame;
13737 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13738 ClearHighlights(); /* [AS] */
13741 /* Pause for `ms' milliseconds */
13742 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13752 } while (SubtractTimeMarks(&m2, &m1) < ms);
13755 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13757 SendMultiLineToICS(buf)
13760 char temp[MSG_SIZ+1], *p;
13767 strncpy(temp, buf, len);
13772 if (*p == '\n' || *p == '\r')
13777 strcat(temp, "\n");
13779 SendToPlayer(temp, strlen(temp));
13783 SetWhiteToPlayEvent()
13785 if (gameMode == EditPosition) {
13786 blackPlaysFirst = FALSE;
13787 DisplayBothClocks(); /* works because currentMove is 0 */
13788 } else if (gameMode == IcsExamining) {
13789 SendToICS(ics_prefix);
13790 SendToICS("tomove white\n");
13795 SetBlackToPlayEvent()
13797 if (gameMode == EditPosition) {
13798 blackPlaysFirst = TRUE;
13799 currentMove = 1; /* kludge */
13800 DisplayBothClocks();
13802 } else if (gameMode == IcsExamining) {
13803 SendToICS(ics_prefix);
13804 SendToICS("tomove black\n");
13809 EditPositionMenuEvent(selection, x, y)
13810 ChessSquare selection;
13814 ChessSquare piece = boards[0][y][x];
13816 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13818 switch (selection) {
13820 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13821 SendToICS(ics_prefix);
13822 SendToICS("bsetup clear\n");
13823 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13824 SendToICS(ics_prefix);
13825 SendToICS("clearboard\n");
13827 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13828 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13829 for (y = 0; y < BOARD_HEIGHT; y++) {
13830 if (gameMode == IcsExamining) {
13831 if (boards[currentMove][y][x] != EmptySquare) {
13832 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13837 boards[0][y][x] = p;
13842 if (gameMode == EditPosition) {
13843 DrawPosition(FALSE, boards[0]);
13848 SetWhiteToPlayEvent();
13852 SetBlackToPlayEvent();
13856 if (gameMode == IcsExamining) {
13857 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13858 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13861 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13862 if(x == BOARD_LEFT-2) {
13863 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13864 boards[0][y][1] = 0;
13866 if(x == BOARD_RGHT+1) {
13867 if(y >= gameInfo.holdingsSize) break;
13868 boards[0][y][BOARD_WIDTH-2] = 0;
13871 boards[0][y][x] = EmptySquare;
13872 DrawPosition(FALSE, boards[0]);
13877 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13878 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13879 selection = (ChessSquare) (PROMOTED piece);
13880 } else if(piece == EmptySquare) selection = WhiteSilver;
13881 else selection = (ChessSquare)((int)piece - 1);
13885 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13886 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13887 selection = (ChessSquare) (DEMOTED piece);
13888 } else if(piece == EmptySquare) selection = BlackSilver;
13889 else selection = (ChessSquare)((int)piece + 1);
13894 if(gameInfo.variant == VariantShatranj ||
13895 gameInfo.variant == VariantXiangqi ||
13896 gameInfo.variant == VariantCourier ||
13897 gameInfo.variant == VariantMakruk )
13898 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13903 if(gameInfo.variant == VariantXiangqi)
13904 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13905 if(gameInfo.variant == VariantKnightmate)
13906 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13909 if (gameMode == IcsExamining) {
13910 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13911 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13912 PieceToChar(selection), AAA + x, ONE + y);
13915 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13917 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13918 n = PieceToNumber(selection - BlackPawn);
13919 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13920 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13921 boards[0][BOARD_HEIGHT-1-n][1]++;
13923 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13924 n = PieceToNumber(selection);
13925 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13926 boards[0][n][BOARD_WIDTH-1] = selection;
13927 boards[0][n][BOARD_WIDTH-2]++;
13930 boards[0][y][x] = selection;
13931 DrawPosition(TRUE, boards[0]);
13939 DropMenuEvent(selection, x, y)
13940 ChessSquare selection;
13943 ChessMove moveType;
13945 switch (gameMode) {
13946 case IcsPlayingWhite:
13947 case MachinePlaysBlack:
13948 if (!WhiteOnMove(currentMove)) {
13949 DisplayMoveError(_("It is Black's turn"));
13952 moveType = WhiteDrop;
13954 case IcsPlayingBlack:
13955 case MachinePlaysWhite:
13956 if (WhiteOnMove(currentMove)) {
13957 DisplayMoveError(_("It is White's turn"));
13960 moveType = BlackDrop;
13963 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13969 if (moveType == BlackDrop && selection < BlackPawn) {
13970 selection = (ChessSquare) ((int) selection
13971 + (int) BlackPawn - (int) WhitePawn);
13973 if (boards[currentMove][y][x] != EmptySquare) {
13974 DisplayMoveError(_("That square is occupied"));
13978 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13984 /* Accept a pending offer of any kind from opponent */
13986 if (appData.icsActive) {
13987 SendToICS(ics_prefix);
13988 SendToICS("accept\n");
13989 } else if (cmailMsgLoaded) {
13990 if (currentMove == cmailOldMove &&
13991 commentList[cmailOldMove] != NULL &&
13992 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13993 "Black offers a draw" : "White offers a draw")) {
13995 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13996 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13998 DisplayError(_("There is no pending offer on this move"), 0);
13999 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14002 /* Not used for offers from chess program */
14009 /* Decline a pending offer of any kind from opponent */
14011 if (appData.icsActive) {
14012 SendToICS(ics_prefix);
14013 SendToICS("decline\n");
14014 } else if (cmailMsgLoaded) {
14015 if (currentMove == cmailOldMove &&
14016 commentList[cmailOldMove] != NULL &&
14017 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14018 "Black offers a draw" : "White offers a draw")) {
14020 AppendComment(cmailOldMove, "Draw declined", TRUE);
14021 DisplayComment(cmailOldMove - 1, "Draw declined");
14024 DisplayError(_("There is no pending offer on this move"), 0);
14027 /* Not used for offers from chess program */
14034 /* Issue ICS rematch command */
14035 if (appData.icsActive) {
14036 SendToICS(ics_prefix);
14037 SendToICS("rematch\n");
14044 /* Call your opponent's flag (claim a win on time) */
14045 if (appData.icsActive) {
14046 SendToICS(ics_prefix);
14047 SendToICS("flag\n");
14049 switch (gameMode) {
14052 case MachinePlaysWhite:
14055 GameEnds(GameIsDrawn, "Both players ran out of time",
14058 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14060 DisplayError(_("Your opponent is not out of time"), 0);
14063 case MachinePlaysBlack:
14066 GameEnds(GameIsDrawn, "Both players ran out of time",
14069 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14071 DisplayError(_("Your opponent is not out of time"), 0);
14079 ClockClick(int which)
14080 { // [HGM] code moved to back-end from winboard.c
14081 if(which) { // black clock
14082 if (gameMode == EditPosition || gameMode == IcsExamining) {
14083 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14084 SetBlackToPlayEvent();
14085 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14086 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14087 } else if (shiftKey) {
14088 AdjustClock(which, -1);
14089 } else if (gameMode == IcsPlayingWhite ||
14090 gameMode == MachinePlaysBlack) {
14093 } else { // white clock
14094 if (gameMode == EditPosition || gameMode == IcsExamining) {
14095 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14096 SetWhiteToPlayEvent();
14097 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14098 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14099 } else if (shiftKey) {
14100 AdjustClock(which, -1);
14101 } else if (gameMode == IcsPlayingBlack ||
14102 gameMode == MachinePlaysWhite) {
14111 /* Offer draw or accept pending draw offer from opponent */
14113 if (appData.icsActive) {
14114 /* Note: tournament rules require draw offers to be
14115 made after you make your move but before you punch
14116 your clock. Currently ICS doesn't let you do that;
14117 instead, you immediately punch your clock after making
14118 a move, but you can offer a draw at any time. */
14120 SendToICS(ics_prefix);
14121 SendToICS("draw\n");
14122 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14123 } else if (cmailMsgLoaded) {
14124 if (currentMove == cmailOldMove &&
14125 commentList[cmailOldMove] != NULL &&
14126 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14127 "Black offers a draw" : "White offers a draw")) {
14128 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14129 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14130 } else if (currentMove == cmailOldMove + 1) {
14131 char *offer = WhiteOnMove(cmailOldMove) ?
14132 "White offers a draw" : "Black offers a draw";
14133 AppendComment(currentMove, offer, TRUE);
14134 DisplayComment(currentMove - 1, offer);
14135 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14137 DisplayError(_("You must make your move before offering a draw"), 0);
14138 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14140 } else if (first.offeredDraw) {
14141 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14143 if (first.sendDrawOffers) {
14144 SendToProgram("draw\n", &first);
14145 userOfferedDraw = TRUE;
14153 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14155 if (appData.icsActive) {
14156 SendToICS(ics_prefix);
14157 SendToICS("adjourn\n");
14159 /* Currently GNU Chess doesn't offer or accept Adjourns */
14167 /* Offer Abort or accept pending Abort offer from opponent */
14169 if (appData.icsActive) {
14170 SendToICS(ics_prefix);
14171 SendToICS("abort\n");
14173 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14180 /* Resign. You can do this even if it's not your turn. */
14182 if (appData.icsActive) {
14183 SendToICS(ics_prefix);
14184 SendToICS("resign\n");
14186 switch (gameMode) {
14187 case MachinePlaysWhite:
14188 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14190 case MachinePlaysBlack:
14191 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14194 if (cmailMsgLoaded) {
14196 if (WhiteOnMove(cmailOldMove)) {
14197 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14199 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14201 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14212 StopObservingEvent()
14214 /* Stop observing current games */
14215 SendToICS(ics_prefix);
14216 SendToICS("unobserve\n");
14220 StopExaminingEvent()
14222 /* Stop observing current game */
14223 SendToICS(ics_prefix);
14224 SendToICS("unexamine\n");
14228 ForwardInner(target)
14233 if (appData.debugMode)
14234 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14235 target, currentMove, forwardMostMove);
14237 if (gameMode == EditPosition)
14240 MarkTargetSquares(1);
14242 if (gameMode == PlayFromGameFile && !pausing)
14245 if (gameMode == IcsExamining && pausing)
14246 limit = pauseExamForwardMostMove;
14248 limit = forwardMostMove;
14250 if (target > limit) target = limit;
14252 if (target > 0 && moveList[target - 1][0]) {
14253 int fromX, fromY, toX, toY;
14254 toX = moveList[target - 1][2] - AAA;
14255 toY = moveList[target - 1][3] - ONE;
14256 if (moveList[target - 1][1] == '@') {
14257 if (appData.highlightLastMove) {
14258 SetHighlights(-1, -1, toX, toY);
14261 fromX = moveList[target - 1][0] - AAA;
14262 fromY = moveList[target - 1][1] - ONE;
14263 if (target == currentMove + 1) {
14264 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14266 if (appData.highlightLastMove) {
14267 SetHighlights(fromX, fromY, toX, toY);
14271 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14272 gameMode == Training || gameMode == PlayFromGameFile ||
14273 gameMode == AnalyzeFile) {
14274 while (currentMove < target) {
14275 SendMoveToProgram(currentMove++, &first);
14278 currentMove = target;
14281 if (gameMode == EditGame || gameMode == EndOfGame) {
14282 whiteTimeRemaining = timeRemaining[0][currentMove];
14283 blackTimeRemaining = timeRemaining[1][currentMove];
14285 DisplayBothClocks();
14286 DisplayMove(currentMove - 1);
14287 DrawPosition(FALSE, boards[currentMove]);
14288 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14289 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14290 DisplayComment(currentMove - 1, commentList[currentMove]);
14298 if (gameMode == IcsExamining && !pausing) {
14299 SendToICS(ics_prefix);
14300 SendToICS("forward\n");
14302 ForwardInner(currentMove + 1);
14309 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14310 /* to optimze, we temporarily turn off analysis mode while we feed
14311 * the remaining moves to the engine. Otherwise we get analysis output
14314 if (first.analysisSupport) {
14315 SendToProgram("exit\nforce\n", &first);
14316 first.analyzing = FALSE;
14320 if (gameMode == IcsExamining && !pausing) {
14321 SendToICS(ics_prefix);
14322 SendToICS("forward 999999\n");
14324 ForwardInner(forwardMostMove);
14327 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14328 /* we have fed all the moves, so reactivate analysis mode */
14329 SendToProgram("analyze\n", &first);
14330 first.analyzing = TRUE;
14331 /*first.maybeThinking = TRUE;*/
14332 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14337 BackwardInner(target)
14340 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14342 if (appData.debugMode)
14343 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14344 target, currentMove, forwardMostMove);
14346 if (gameMode == EditPosition) return;
14347 MarkTargetSquares(1);
14348 if (currentMove <= backwardMostMove) {
14350 DrawPosition(full_redraw, boards[currentMove]);
14353 if (gameMode == PlayFromGameFile && !pausing)
14356 if (moveList[target][0]) {
14357 int fromX, fromY, toX, toY;
14358 toX = moveList[target][2] - AAA;
14359 toY = moveList[target][3] - ONE;
14360 if (moveList[target][1] == '@') {
14361 if (appData.highlightLastMove) {
14362 SetHighlights(-1, -1, toX, toY);
14365 fromX = moveList[target][0] - AAA;
14366 fromY = moveList[target][1] - ONE;
14367 if (target == currentMove - 1) {
14368 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14370 if (appData.highlightLastMove) {
14371 SetHighlights(fromX, fromY, toX, toY);
14375 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14376 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14377 while (currentMove > target) {
14378 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14379 // null move cannot be undone. Reload program with move history before it.
14381 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14382 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14384 SendBoard(&first, i);
14385 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14388 SendToProgram("undo\n", &first);
14392 currentMove = target;
14395 if (gameMode == EditGame || gameMode == EndOfGame) {
14396 whiteTimeRemaining = timeRemaining[0][currentMove];
14397 blackTimeRemaining = timeRemaining[1][currentMove];
14399 DisplayBothClocks();
14400 DisplayMove(currentMove - 1);
14401 DrawPosition(full_redraw, boards[currentMove]);
14402 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14403 // [HGM] PV info: routine tests if comment empty
14404 DisplayComment(currentMove - 1, commentList[currentMove]);
14410 if (gameMode == IcsExamining && !pausing) {
14411 SendToICS(ics_prefix);
14412 SendToICS("backward\n");
14414 BackwardInner(currentMove - 1);
14421 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14422 /* to optimize, we temporarily turn off analysis mode while we undo
14423 * all the moves. Otherwise we get analysis output after each undo.
14425 if (first.analysisSupport) {
14426 SendToProgram("exit\nforce\n", &first);
14427 first.analyzing = FALSE;
14431 if (gameMode == IcsExamining && !pausing) {
14432 SendToICS(ics_prefix);
14433 SendToICS("backward 999999\n");
14435 BackwardInner(backwardMostMove);
14438 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14439 /* we have fed all the moves, so reactivate analysis mode */
14440 SendToProgram("analyze\n", &first);
14441 first.analyzing = TRUE;
14442 /*first.maybeThinking = TRUE;*/
14443 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14450 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14451 if (to >= forwardMostMove) to = forwardMostMove;
14452 if (to <= backwardMostMove) to = backwardMostMove;
14453 if (to < currentMove) {
14461 RevertEvent(Boolean annotate)
14463 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14466 if (gameMode != IcsExamining) {
14467 DisplayError(_("You are not examining a game"), 0);
14471 DisplayError(_("You can't revert while pausing"), 0);
14474 SendToICS(ics_prefix);
14475 SendToICS("revert\n");
14481 switch (gameMode) {
14482 case MachinePlaysWhite:
14483 case MachinePlaysBlack:
14484 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14485 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14488 if (forwardMostMove < 2) return;
14489 currentMove = forwardMostMove = forwardMostMove - 2;
14490 whiteTimeRemaining = timeRemaining[0][currentMove];
14491 blackTimeRemaining = timeRemaining[1][currentMove];
14492 DisplayBothClocks();
14493 DisplayMove(currentMove - 1);
14494 ClearHighlights();/*!! could figure this out*/
14495 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14496 SendToProgram("remove\n", &first);
14497 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14500 case BeginningOfGame:
14504 case IcsPlayingWhite:
14505 case IcsPlayingBlack:
14506 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14507 SendToICS(ics_prefix);
14508 SendToICS("takeback 2\n");
14510 SendToICS(ics_prefix);
14511 SendToICS("takeback 1\n");
14520 ChessProgramState *cps;
14522 switch (gameMode) {
14523 case MachinePlaysWhite:
14524 if (!WhiteOnMove(forwardMostMove)) {
14525 DisplayError(_("It is your turn"), 0);
14530 case MachinePlaysBlack:
14531 if (WhiteOnMove(forwardMostMove)) {
14532 DisplayError(_("It is your turn"), 0);
14537 case TwoMachinesPlay:
14538 if (WhiteOnMove(forwardMostMove) ==
14539 (first.twoMachinesColor[0] == 'w')) {
14545 case BeginningOfGame:
14549 SendToProgram("?\n", cps);
14553 TruncateGameEvent()
14556 if (gameMode != EditGame) return;
14563 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14564 if (forwardMostMove > currentMove) {
14565 if (gameInfo.resultDetails != NULL) {
14566 free(gameInfo.resultDetails);
14567 gameInfo.resultDetails = NULL;
14568 gameInfo.result = GameUnfinished;
14570 forwardMostMove = currentMove;
14571 HistorySet(parseList, backwardMostMove, forwardMostMove,
14579 if (appData.noChessProgram) return;
14580 switch (gameMode) {
14581 case MachinePlaysWhite:
14582 if (WhiteOnMove(forwardMostMove)) {
14583 DisplayError(_("Wait until your turn"), 0);
14587 case BeginningOfGame:
14588 case MachinePlaysBlack:
14589 if (!WhiteOnMove(forwardMostMove)) {
14590 DisplayError(_("Wait until your turn"), 0);
14595 DisplayError(_("No hint available"), 0);
14598 SendToProgram("hint\n", &first);
14599 hintRequested = TRUE;
14605 if (appData.noChessProgram) return;
14606 switch (gameMode) {
14607 case MachinePlaysWhite:
14608 if (WhiteOnMove(forwardMostMove)) {
14609 DisplayError(_("Wait until your turn"), 0);
14613 case BeginningOfGame:
14614 case MachinePlaysBlack:
14615 if (!WhiteOnMove(forwardMostMove)) {
14616 DisplayError(_("Wait until your turn"), 0);
14621 EditPositionDone(TRUE);
14623 case TwoMachinesPlay:
14628 SendToProgram("bk\n", &first);
14629 bookOutput[0] = NULLCHAR;
14630 bookRequested = TRUE;
14636 char *tags = PGNTags(&gameInfo);
14637 TagsPopUp(tags, CmailMsg());
14641 /* end button procedures */
14644 PrintPosition(fp, move)
14650 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14651 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14652 char c = PieceToChar(boards[move][i][j]);
14653 fputc(c == 'x' ? '.' : c, fp);
14654 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14657 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14658 fprintf(fp, "white to play\n");
14660 fprintf(fp, "black to play\n");
14667 if (gameInfo.white != NULL) {
14668 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14674 /* Find last component of program's own name, using some heuristics */
14676 TidyProgramName(prog, host, buf)
14677 char *prog, *host, buf[MSG_SIZ];
14680 int local = (strcmp(host, "localhost") == 0);
14681 while (!local && (p = strchr(prog, ';')) != NULL) {
14683 while (*p == ' ') p++;
14686 if (*prog == '"' || *prog == '\'') {
14687 q = strchr(prog + 1, *prog);
14689 q = strchr(prog, ' ');
14691 if (q == NULL) q = prog + strlen(prog);
14693 while (p >= prog && *p != '/' && *p != '\\') p--;
14695 if(p == prog && *p == '"') p++;
14696 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14697 memcpy(buf, p, q - p);
14698 buf[q - p] = NULLCHAR;
14706 TimeControlTagValue()
14709 if (!appData.clockMode) {
14710 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14711 } else if (movesPerSession > 0) {
14712 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14713 } else if (timeIncrement == 0) {
14714 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14716 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14718 return StrSave(buf);
14724 /* This routine is used only for certain modes */
14725 VariantClass v = gameInfo.variant;
14726 ChessMove r = GameUnfinished;
14729 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14730 r = gameInfo.result;
14731 p = gameInfo.resultDetails;
14732 gameInfo.resultDetails = NULL;
14734 ClearGameInfo(&gameInfo);
14735 gameInfo.variant = v;
14737 switch (gameMode) {
14738 case MachinePlaysWhite:
14739 gameInfo.event = StrSave( appData.pgnEventHeader );
14740 gameInfo.site = StrSave(HostName());
14741 gameInfo.date = PGNDate();
14742 gameInfo.round = StrSave("-");
14743 gameInfo.white = StrSave(first.tidy);
14744 gameInfo.black = StrSave(UserName());
14745 gameInfo.timeControl = TimeControlTagValue();
14748 case MachinePlaysBlack:
14749 gameInfo.event = StrSave( appData.pgnEventHeader );
14750 gameInfo.site = StrSave(HostName());
14751 gameInfo.date = PGNDate();
14752 gameInfo.round = StrSave("-");
14753 gameInfo.white = StrSave(UserName());
14754 gameInfo.black = StrSave(first.tidy);
14755 gameInfo.timeControl = TimeControlTagValue();
14758 case TwoMachinesPlay:
14759 gameInfo.event = StrSave( appData.pgnEventHeader );
14760 gameInfo.site = StrSave(HostName());
14761 gameInfo.date = PGNDate();
14764 snprintf(buf, MSG_SIZ, "%d", roundNr);
14765 gameInfo.round = StrSave(buf);
14767 gameInfo.round = StrSave("-");
14769 if (first.twoMachinesColor[0] == 'w') {
14770 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14771 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14773 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14774 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14776 gameInfo.timeControl = TimeControlTagValue();
14780 gameInfo.event = StrSave("Edited game");
14781 gameInfo.site = StrSave(HostName());
14782 gameInfo.date = PGNDate();
14783 gameInfo.round = StrSave("-");
14784 gameInfo.white = StrSave("-");
14785 gameInfo.black = StrSave("-");
14786 gameInfo.result = r;
14787 gameInfo.resultDetails = p;
14791 gameInfo.event = StrSave("Edited position");
14792 gameInfo.site = StrSave(HostName());
14793 gameInfo.date = PGNDate();
14794 gameInfo.round = StrSave("-");
14795 gameInfo.white = StrSave("-");
14796 gameInfo.black = StrSave("-");
14799 case IcsPlayingWhite:
14800 case IcsPlayingBlack:
14805 case PlayFromGameFile:
14806 gameInfo.event = StrSave("Game from non-PGN file");
14807 gameInfo.site = StrSave(HostName());
14808 gameInfo.date = PGNDate();
14809 gameInfo.round = StrSave("-");
14810 gameInfo.white = StrSave("?");
14811 gameInfo.black = StrSave("?");
14820 ReplaceComment(index, text)
14828 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14829 pvInfoList[index-1].depth == len &&
14830 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14831 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14832 while (*text == '\n') text++;
14833 len = strlen(text);
14834 while (len > 0 && text[len - 1] == '\n') len--;
14836 if (commentList[index] != NULL)
14837 free(commentList[index]);
14840 commentList[index] = NULL;
14843 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14844 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14845 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14846 commentList[index] = (char *) malloc(len + 2);
14847 strncpy(commentList[index], text, len);
14848 commentList[index][len] = '\n';
14849 commentList[index][len + 1] = NULLCHAR;
14851 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14853 commentList[index] = (char *) malloc(len + 7);
14854 safeStrCpy(commentList[index], "{\n", 3);
14855 safeStrCpy(commentList[index]+2, text, len+1);
14856 commentList[index][len+2] = NULLCHAR;
14857 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14858 strcat(commentList[index], "\n}\n");
14872 if (ch == '\r') continue;
14874 } while (ch != '\0');
14878 AppendComment(index, text, addBraces)
14881 Boolean addBraces; // [HGM] braces: tells if we should add {}
14886 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14887 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14890 while (*text == '\n') text++;
14891 len = strlen(text);
14892 while (len > 0 && text[len - 1] == '\n') len--;
14894 if (len == 0) return;
14896 if (commentList[index] != NULL) {
14897 Boolean addClosingBrace = addBraces;
14898 old = commentList[index];
14899 oldlen = strlen(old);
14900 while(commentList[index][oldlen-1] == '\n')
14901 commentList[index][--oldlen] = NULLCHAR;
14902 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14903 safeStrCpy(commentList[index], old, oldlen + len + 6);
14905 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14906 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14907 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14908 while (*text == '\n') { text++; len--; }
14909 commentList[index][--oldlen] = NULLCHAR;
14911 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14912 else strcat(commentList[index], "\n");
14913 strcat(commentList[index], text);
14914 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14915 else strcat(commentList[index], "\n");
14917 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14919 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14920 else commentList[index][0] = NULLCHAR;
14921 strcat(commentList[index], text);
14922 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14923 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14927 static char * FindStr( char * text, char * sub_text )
14929 char * result = strstr( text, sub_text );
14931 if( result != NULL ) {
14932 result += strlen( sub_text );
14938 /* [AS] Try to extract PV info from PGN comment */
14939 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14940 char *GetInfoFromComment( int index, char * text )
14942 char * sep = text, *p;
14944 if( text != NULL && index > 0 ) {
14947 int time = -1, sec = 0, deci;
14948 char * s_eval = FindStr( text, "[%eval " );
14949 char * s_emt = FindStr( text, "[%emt " );
14951 if( s_eval != NULL || s_emt != NULL ) {
14955 if( s_eval != NULL ) {
14956 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14960 if( delim != ']' ) {
14965 if( s_emt != NULL ) {
14970 /* We expect something like: [+|-]nnn.nn/dd */
14973 if(*text != '{') return text; // [HGM] braces: must be normal comment
14975 sep = strchr( text, '/' );
14976 if( sep == NULL || sep < (text+4) ) {
14981 if(p[1] == '(') { // comment starts with PV
14982 p = strchr(p, ')'); // locate end of PV
14983 if(p == NULL || sep < p+5) return text;
14984 // at this point we have something like "{(.*) +0.23/6 ..."
14985 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14986 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14987 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14989 time = -1; sec = -1; deci = -1;
14990 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14991 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14992 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14993 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14997 if( score_lo < 0 || score_lo >= 100 ) {
15001 if(sec >= 0) time = 600*time + 10*sec; else
15002 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15004 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15006 /* [HGM] PV time: now locate end of PV info */
15007 while( *++sep >= '0' && *sep <= '9'); // strip depth
15009 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15011 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15013 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15014 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15025 pvInfoList[index-1].depth = depth;
15026 pvInfoList[index-1].score = score;
15027 pvInfoList[index-1].time = 10*time; // centi-sec
15028 if(*sep == '}') *sep = 0; else *--sep = '{';
15029 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15035 SendToProgram(message, cps)
15037 ChessProgramState *cps;
15039 int count, outCount, error;
15042 if (cps->pr == NoProc) return;
15045 if (appData.debugMode) {
15048 fprintf(debugFP, "%ld >%-6s: %s",
15049 SubtractTimeMarks(&now, &programStartTime),
15050 cps->which, message);
15053 count = strlen(message);
15054 outCount = OutputToProcess(cps->pr, message, count, &error);
15055 if (outCount < count && !exiting
15056 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15057 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15058 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15059 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15060 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15061 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15062 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15063 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15065 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15066 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15067 gameInfo.result = res;
15069 gameInfo.resultDetails = StrSave(buf);
15071 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15072 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15077 ReceiveFromProgram(isr, closure, message, count, error)
15078 InputSourceRef isr;
15086 ChessProgramState *cps = (ChessProgramState *)closure;
15088 if (isr != cps->isr) return; /* Killed intentionally */
15091 RemoveInputSource(cps->isr);
15092 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15093 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15094 _(cps->which), cps->program);
15095 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15096 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15097 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15098 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15099 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15101 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15102 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15103 gameInfo.result = res;
15105 gameInfo.resultDetails = StrSave(buf);
15107 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15108 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15110 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15111 _(cps->which), cps->program);
15112 RemoveInputSource(cps->isr);
15114 /* [AS] Program is misbehaving badly... kill it */
15115 if( count == -2 ) {
15116 DestroyChildProcess( cps->pr, 9 );
15120 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15125 if ((end_str = strchr(message, '\r')) != NULL)
15126 *end_str = NULLCHAR;
15127 if ((end_str = strchr(message, '\n')) != NULL)
15128 *end_str = NULLCHAR;
15130 if (appData.debugMode) {
15131 TimeMark now; int print = 1;
15132 char *quote = ""; char c; int i;
15134 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15135 char start = message[0];
15136 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15137 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15138 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15139 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15140 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15141 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15142 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15143 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15144 sscanf(message, "hint: %c", &c)!=1 &&
15145 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15146 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15147 print = (appData.engineComments >= 2);
15149 message[0] = start; // restore original message
15153 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15154 SubtractTimeMarks(&now, &programStartTime), cps->which,
15160 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15161 if (appData.icsEngineAnalyze) {
15162 if (strstr(message, "whisper") != NULL ||
15163 strstr(message, "kibitz") != NULL ||
15164 strstr(message, "tellics") != NULL) return;
15167 HandleMachineMove(message, cps);
15172 SendTimeControl(cps, mps, tc, inc, sd, st)
15173 ChessProgramState *cps;
15174 int mps, inc, sd, st;
15180 if( timeControl_2 > 0 ) {
15181 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15182 tc = timeControl_2;
15185 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15186 inc /= cps->timeOdds;
15187 st /= cps->timeOdds;
15189 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15192 /* Set exact time per move, normally using st command */
15193 if (cps->stKludge) {
15194 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15196 if (seconds == 0) {
15197 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15199 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15202 snprintf(buf, MSG_SIZ, "st %d\n", st);
15205 /* Set conventional or incremental time control, using level command */
15206 if (seconds == 0) {
15207 /* Note old gnuchess bug -- minutes:seconds used to not work.
15208 Fixed in later versions, but still avoid :seconds
15209 when seconds is 0. */
15210 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15212 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15213 seconds, inc/1000.);
15216 SendToProgram(buf, cps);
15218 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15219 /* Orthogonally, limit search to given depth */
15221 if (cps->sdKludge) {
15222 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15224 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15226 SendToProgram(buf, cps);
15229 if(cps->nps >= 0) { /* [HGM] nps */
15230 if(cps->supportsNPS == FALSE)
15231 cps->nps = -1; // don't use if engine explicitly says not supported!
15233 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15234 SendToProgram(buf, cps);
15239 ChessProgramState *WhitePlayer()
15240 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15242 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15243 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15249 SendTimeRemaining(cps, machineWhite)
15250 ChessProgramState *cps;
15251 int /*boolean*/ machineWhite;
15253 char message[MSG_SIZ];
15256 /* Note: this routine must be called when the clocks are stopped
15257 or when they have *just* been set or switched; otherwise
15258 it will be off by the time since the current tick started.
15260 if (machineWhite) {
15261 time = whiteTimeRemaining / 10;
15262 otime = blackTimeRemaining / 10;
15264 time = blackTimeRemaining / 10;
15265 otime = whiteTimeRemaining / 10;
15267 /* [HGM] translate opponent's time by time-odds factor */
15268 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15269 if (appData.debugMode) {
15270 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
15273 if (time <= 0) time = 1;
15274 if (otime <= 0) otime = 1;
15276 snprintf(message, MSG_SIZ, "time %ld\n", time);
15277 SendToProgram(message, cps);
15279 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15280 SendToProgram(message, cps);
15284 BoolFeature(p, name, loc, cps)
15288 ChessProgramState *cps;
15291 int len = strlen(name);
15294 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15296 sscanf(*p, "%d", &val);
15298 while (**p && **p != ' ')
15300 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15301 SendToProgram(buf, cps);
15308 IntFeature(p, name, loc, cps)
15312 ChessProgramState *cps;
15315 int len = strlen(name);
15316 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15318 sscanf(*p, "%d", loc);
15319 while (**p && **p != ' ') (*p)++;
15320 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15321 SendToProgram(buf, cps);
15328 StringFeature(p, name, loc, cps)
15332 ChessProgramState *cps;
15335 int len = strlen(name);
15336 if (strncmp((*p), name, len) == 0
15337 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15339 sscanf(*p, "%[^\"]", loc);
15340 while (**p && **p != '\"') (*p)++;
15341 if (**p == '\"') (*p)++;
15342 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15343 SendToProgram(buf, cps);
15350 ParseOption(Option *opt, ChessProgramState *cps)
15351 // [HGM] options: process the string that defines an engine option, and determine
15352 // name, type, default value, and allowed value range
15354 char *p, *q, buf[MSG_SIZ];
15355 int n, min = (-1)<<31, max = 1<<31, def;
15357 if(p = strstr(opt->name, " -spin ")) {
15358 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15359 if(max < min) max = min; // enforce consistency
15360 if(def < min) def = min;
15361 if(def > max) def = max;
15366 } else if((p = strstr(opt->name, " -slider "))) {
15367 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15368 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15369 if(max < min) max = min; // enforce consistency
15370 if(def < min) def = min;
15371 if(def > max) def = max;
15375 opt->type = Spin; // Slider;
15376 } else if((p = strstr(opt->name, " -string "))) {
15377 opt->textValue = p+9;
15378 opt->type = TextBox;
15379 } else if((p = strstr(opt->name, " -file "))) {
15380 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15381 opt->textValue = p+7;
15382 opt->type = FileName; // FileName;
15383 } else if((p = strstr(opt->name, " -path "))) {
15384 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15385 opt->textValue = p+7;
15386 opt->type = PathName; // PathName;
15387 } else if(p = strstr(opt->name, " -check ")) {
15388 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15389 opt->value = (def != 0);
15390 opt->type = CheckBox;
15391 } else if(p = strstr(opt->name, " -combo ")) {
15392 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15393 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15394 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15395 opt->value = n = 0;
15396 while(q = StrStr(q, " /// ")) {
15397 n++; *q = 0; // count choices, and null-terminate each of them
15399 if(*q == '*') { // remember default, which is marked with * prefix
15403 cps->comboList[cps->comboCnt++] = q;
15405 cps->comboList[cps->comboCnt++] = NULL;
15407 opt->type = ComboBox;
15408 } else if(p = strstr(opt->name, " -button")) {
15409 opt->type = Button;
15410 } else if(p = strstr(opt->name, " -save")) {
15411 opt->type = SaveButton;
15412 } else return FALSE;
15413 *p = 0; // terminate option name
15414 // now look if the command-line options define a setting for this engine option.
15415 if(cps->optionSettings && cps->optionSettings[0])
15416 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15417 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15418 snprintf(buf, MSG_SIZ, "option %s", p);
15419 if(p = strstr(buf, ",")) *p = 0;
15420 if(q = strchr(buf, '=')) switch(opt->type) {
15422 for(n=0; n<opt->max; n++)
15423 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15426 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15430 opt->value = atoi(q+1);
15435 SendToProgram(buf, cps);
15441 FeatureDone(cps, val)
15442 ChessProgramState* cps;
15445 DelayedEventCallback cb = GetDelayedEvent();
15446 if ((cb == InitBackEnd3 && cps == &first) ||
15447 (cb == SettingsMenuIfReady && cps == &second) ||
15448 (cb == LoadEngine) ||
15449 (cb == TwoMachinesEventIfReady)) {
15450 CancelDelayedEvent();
15451 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15453 cps->initDone = val;
15456 /* Parse feature command from engine */
15458 ParseFeatures(args, cps)
15460 ChessProgramState *cps;
15468 while (*p == ' ') p++;
15469 if (*p == NULLCHAR) return;
15471 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15472 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15473 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15474 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15475 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15476 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15477 if (BoolFeature(&p, "reuse", &val, cps)) {
15478 /* Engine can disable reuse, but can't enable it if user said no */
15479 if (!val) cps->reuse = FALSE;
15482 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15483 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
15484 if (gameMode == TwoMachinesPlay) {
15485 DisplayTwoMachinesTitle();
15491 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
15492 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15493 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15494 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15495 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15496 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15497 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15498 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15499 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15500 if (IntFeature(&p, "done", &val, cps)) {
15501 FeatureDone(cps, val);
15504 /* Added by Tord: */
15505 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15506 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15507 /* End of additions by Tord */
15509 /* [HGM] added features: */
15510 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15511 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15512 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15513 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15514 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15515 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
15516 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
15517 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15518 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15519 SendToProgram(buf, cps);
15522 if(cps->nrOptions >= MAX_OPTIONS) {
15524 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15525 DisplayError(buf, 0);
15529 /* End of additions by HGM */
15531 /* unknown feature: complain and skip */
15533 while (*q && *q != '=') q++;
15534 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15535 SendToProgram(buf, cps);
15541 while (*p && *p != '\"') p++;
15542 if (*p == '\"') p++;
15544 while (*p && *p != ' ') p++;
15552 PeriodicUpdatesEvent(newState)
15555 if (newState == appData.periodicUpdates)
15558 appData.periodicUpdates=newState;
15560 /* Display type changes, so update it now */
15561 // DisplayAnalysis();
15563 /* Get the ball rolling again... */
15565 AnalysisPeriodicEvent(1);
15566 StartAnalysisClock();
15571 PonderNextMoveEvent(newState)
15574 if (newState == appData.ponderNextMove) return;
15575 if (gameMode == EditPosition) EditPositionDone(TRUE);
15577 SendToProgram("hard\n", &first);
15578 if (gameMode == TwoMachinesPlay) {
15579 SendToProgram("hard\n", &second);
15582 SendToProgram("easy\n", &first);
15583 thinkOutput[0] = NULLCHAR;
15584 if (gameMode == TwoMachinesPlay) {
15585 SendToProgram("easy\n", &second);
15588 appData.ponderNextMove = newState;
15592 NewSettingEvent(option, feature, command, value)
15594 int option, value, *feature;
15598 if (gameMode == EditPosition) EditPositionDone(TRUE);
15599 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15600 if(feature == NULL || *feature) SendToProgram(buf, &first);
15601 if (gameMode == TwoMachinesPlay) {
15602 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15607 ShowThinkingEvent()
15608 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15610 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15611 int newState = appData.showThinking
15612 // [HGM] thinking: other features now need thinking output as well
15613 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15615 if (oldState == newState) return;
15616 oldState = newState;
15617 if (gameMode == EditPosition) EditPositionDone(TRUE);
15619 SendToProgram("post\n", &first);
15620 if (gameMode == TwoMachinesPlay) {
15621 SendToProgram("post\n", &second);
15624 SendToProgram("nopost\n", &first);
15625 thinkOutput[0] = NULLCHAR;
15626 if (gameMode == TwoMachinesPlay) {
15627 SendToProgram("nopost\n", &second);
15630 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15634 AskQuestionEvent(title, question, replyPrefix, which)
15635 char *title; char *question; char *replyPrefix; char *which;
15637 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15638 if (pr == NoProc) return;
15639 AskQuestion(title, question, replyPrefix, pr);
15643 TypeInEvent(char firstChar)
15645 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15646 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15647 gameMode == AnalyzeMode || gameMode == EditGame ||
15648 gameMode == EditPosition || gameMode == IcsExamining ||
15649 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15650 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15651 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15652 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15653 gameMode == Training) PopUpMoveDialog(firstChar);
15657 TypeInDoneEvent(char *move)
15660 int n, fromX, fromY, toX, toY;
15662 ChessMove moveType;
15665 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15666 EditPositionPasteFEN(move);
15669 // [HGM] movenum: allow move number to be typed in any mode
15670 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15675 if (gameMode != EditGame && currentMove != forwardMostMove &&
15676 gameMode != Training) {
15677 DisplayMoveError(_("Displayed move is not current"));
15679 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15680 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15681 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15682 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15683 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15684 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15686 DisplayMoveError(_("Could not parse move"));
15692 DisplayMove(moveNumber)
15695 char message[MSG_SIZ];
15697 char cpThinkOutput[MSG_SIZ];
15699 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15701 if (moveNumber == forwardMostMove - 1 ||
15702 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15704 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15706 if (strchr(cpThinkOutput, '\n')) {
15707 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15710 *cpThinkOutput = NULLCHAR;
15713 /* [AS] Hide thinking from human user */
15714 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15715 *cpThinkOutput = NULLCHAR;
15716 if( thinkOutput[0] != NULLCHAR ) {
15719 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15720 cpThinkOutput[i] = '.';
15722 cpThinkOutput[i] = NULLCHAR;
15723 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15727 if (moveNumber == forwardMostMove - 1 &&
15728 gameInfo.resultDetails != NULL) {
15729 if (gameInfo.resultDetails[0] == NULLCHAR) {
15730 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15732 snprintf(res, MSG_SIZ, " {%s} %s",
15733 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15739 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15740 DisplayMessage(res, cpThinkOutput);
15742 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15743 WhiteOnMove(moveNumber) ? " " : ".. ",
15744 parseList[moveNumber], res);
15745 DisplayMessage(message, cpThinkOutput);
15750 DisplayComment(moveNumber, text)
15754 char title[MSG_SIZ];
15756 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15757 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15759 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15760 WhiteOnMove(moveNumber) ? " " : ".. ",
15761 parseList[moveNumber]);
15763 if (text != NULL && (appData.autoDisplayComment || commentUp))
15764 CommentPopUp(title, text);
15767 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15768 * might be busy thinking or pondering. It can be omitted if your
15769 * gnuchess is configured to stop thinking immediately on any user
15770 * input. However, that gnuchess feature depends on the FIONREAD
15771 * ioctl, which does not work properly on some flavors of Unix.
15775 ChessProgramState *cps;
15778 if (!cps->useSigint) return;
15779 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15780 switch (gameMode) {
15781 case MachinePlaysWhite:
15782 case MachinePlaysBlack:
15783 case TwoMachinesPlay:
15784 case IcsPlayingWhite:
15785 case IcsPlayingBlack:
15788 /* Skip if we know it isn't thinking */
15789 if (!cps->maybeThinking) return;
15790 if (appData.debugMode)
15791 fprintf(debugFP, "Interrupting %s\n", cps->which);
15792 InterruptChildProcess(cps->pr);
15793 cps->maybeThinking = FALSE;
15798 #endif /*ATTENTION*/
15804 if (whiteTimeRemaining <= 0) {
15807 if (appData.icsActive) {
15808 if (appData.autoCallFlag &&
15809 gameMode == IcsPlayingBlack && !blackFlag) {
15810 SendToICS(ics_prefix);
15811 SendToICS("flag\n");
15815 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15817 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15818 if (appData.autoCallFlag) {
15819 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15826 if (blackTimeRemaining <= 0) {
15829 if (appData.icsActive) {
15830 if (appData.autoCallFlag &&
15831 gameMode == IcsPlayingWhite && !whiteFlag) {
15832 SendToICS(ics_prefix);
15833 SendToICS("flag\n");
15837 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15839 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15840 if (appData.autoCallFlag) {
15841 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15854 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15855 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15858 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15860 if ( !WhiteOnMove(forwardMostMove) ) {
15861 /* White made time control */
15862 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15863 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15864 /* [HGM] time odds: correct new time quota for time odds! */
15865 / WhitePlayer()->timeOdds;
15866 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15868 lastBlack -= blackTimeRemaining;
15869 /* Black made time control */
15870 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15871 / WhitePlayer()->other->timeOdds;
15872 lastWhite = whiteTimeRemaining;
15877 DisplayBothClocks()
15879 int wom = gameMode == EditPosition ?
15880 !blackPlaysFirst : WhiteOnMove(currentMove);
15881 DisplayWhiteClock(whiteTimeRemaining, wom);
15882 DisplayBlackClock(blackTimeRemaining, !wom);
15886 /* Timekeeping seems to be a portability nightmare. I think everyone
15887 has ftime(), but I'm really not sure, so I'm including some ifdefs
15888 to use other calls if you don't. Clocks will be less accurate if
15889 you have neither ftime nor gettimeofday.
15892 /* VS 2008 requires the #include outside of the function */
15893 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15894 #include <sys/timeb.h>
15897 /* Get the current time as a TimeMark */
15902 #if HAVE_GETTIMEOFDAY
15904 struct timeval timeVal;
15905 struct timezone timeZone;
15907 gettimeofday(&timeVal, &timeZone);
15908 tm->sec = (long) timeVal.tv_sec;
15909 tm->ms = (int) (timeVal.tv_usec / 1000L);
15911 #else /*!HAVE_GETTIMEOFDAY*/
15914 // include <sys/timeb.h> / moved to just above start of function
15915 struct timeb timeB;
15918 tm->sec = (long) timeB.time;
15919 tm->ms = (int) timeB.millitm;
15921 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15922 tm->sec = (long) time(NULL);
15928 /* Return the difference in milliseconds between two
15929 time marks. We assume the difference will fit in a long!
15932 SubtractTimeMarks(tm2, tm1)
15933 TimeMark *tm2, *tm1;
15935 return 1000L*(tm2->sec - tm1->sec) +
15936 (long) (tm2->ms - tm1->ms);
15941 * Code to manage the game clocks.
15943 * In tournament play, black starts the clock and then white makes a move.
15944 * We give the human user a slight advantage if he is playing white---the
15945 * clocks don't run until he makes his first move, so it takes zero time.
15946 * Also, we don't account for network lag, so we could get out of sync
15947 * with GNU Chess's clock -- but then, referees are always right.
15950 static TimeMark tickStartTM;
15951 static long intendedTickLength;
15954 NextTickLength(timeRemaining)
15955 long timeRemaining;
15957 long nominalTickLength, nextTickLength;
15959 if (timeRemaining > 0L && timeRemaining <= 10000L)
15960 nominalTickLength = 100L;
15962 nominalTickLength = 1000L;
15963 nextTickLength = timeRemaining % nominalTickLength;
15964 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15966 return nextTickLength;
15969 /* Adjust clock one minute up or down */
15971 AdjustClock(Boolean which, int dir)
15973 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15974 if(which) blackTimeRemaining += 60000*dir;
15975 else whiteTimeRemaining += 60000*dir;
15976 DisplayBothClocks();
15977 adjustedClock = TRUE;
15980 /* Stop clocks and reset to a fresh time control */
15984 (void) StopClockTimer();
15985 if (appData.icsActive) {
15986 whiteTimeRemaining = blackTimeRemaining = 0;
15987 } else if (searchTime) {
15988 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15989 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15990 } else { /* [HGM] correct new time quote for time odds */
15991 whiteTC = blackTC = fullTimeControlString;
15992 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15993 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15995 if (whiteFlag || blackFlag) {
15997 whiteFlag = blackFlag = FALSE;
15999 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16000 DisplayBothClocks();
16001 adjustedClock = FALSE;
16004 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16006 /* Decrement running clock by amount of time that has passed */
16010 long timeRemaining;
16011 long lastTickLength, fudge;
16014 if (!appData.clockMode) return;
16015 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16019 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16021 /* Fudge if we woke up a little too soon */
16022 fudge = intendedTickLength - lastTickLength;
16023 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16025 if (WhiteOnMove(forwardMostMove)) {
16026 if(whiteNPS >= 0) lastTickLength = 0;
16027 timeRemaining = whiteTimeRemaining -= lastTickLength;
16028 if(timeRemaining < 0 && !appData.icsActive) {
16029 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16030 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16031 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16032 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16035 DisplayWhiteClock(whiteTimeRemaining - fudge,
16036 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16038 if(blackNPS >= 0) lastTickLength = 0;
16039 timeRemaining = blackTimeRemaining -= lastTickLength;
16040 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16041 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16043 blackStartMove = forwardMostMove;
16044 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16047 DisplayBlackClock(blackTimeRemaining - fudge,
16048 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16050 if (CheckFlags()) return;
16053 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16054 StartClockTimer(intendedTickLength);
16056 /* if the time remaining has fallen below the alarm threshold, sound the
16057 * alarm. if the alarm has sounded and (due to a takeback or time control
16058 * with increment) the time remaining has increased to a level above the
16059 * threshold, reset the alarm so it can sound again.
16062 if (appData.icsActive && appData.icsAlarm) {
16064 /* make sure we are dealing with the user's clock */
16065 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16066 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16069 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16070 alarmSounded = FALSE;
16071 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16073 alarmSounded = TRUE;
16079 /* A player has just moved, so stop the previously running
16080 clock and (if in clock mode) start the other one.
16081 We redisplay both clocks in case we're in ICS mode, because
16082 ICS gives us an update to both clocks after every move.
16083 Note that this routine is called *after* forwardMostMove
16084 is updated, so the last fractional tick must be subtracted
16085 from the color that is *not* on move now.
16088 SwitchClocks(int newMoveNr)
16090 long lastTickLength;
16092 int flagged = FALSE;
16096 if (StopClockTimer() && appData.clockMode) {
16097 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16098 if (!WhiteOnMove(forwardMostMove)) {
16099 if(blackNPS >= 0) lastTickLength = 0;
16100 blackTimeRemaining -= lastTickLength;
16101 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16102 // if(pvInfoList[forwardMostMove].time == -1)
16103 pvInfoList[forwardMostMove].time = // use GUI time
16104 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16106 if(whiteNPS >= 0) lastTickLength = 0;
16107 whiteTimeRemaining -= lastTickLength;
16108 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16109 // if(pvInfoList[forwardMostMove].time == -1)
16110 pvInfoList[forwardMostMove].time =
16111 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16113 flagged = CheckFlags();
16115 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16116 CheckTimeControl();
16118 if (flagged || !appData.clockMode) return;
16120 switch (gameMode) {
16121 case MachinePlaysBlack:
16122 case MachinePlaysWhite:
16123 case BeginningOfGame:
16124 if (pausing) return;
16128 case PlayFromGameFile:
16136 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16137 if(WhiteOnMove(forwardMostMove))
16138 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16139 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16143 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16144 whiteTimeRemaining : blackTimeRemaining);
16145 StartClockTimer(intendedTickLength);
16149 /* Stop both clocks */
16153 long lastTickLength;
16156 if (!StopClockTimer()) return;
16157 if (!appData.clockMode) return;
16161 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16162 if (WhiteOnMove(forwardMostMove)) {
16163 if(whiteNPS >= 0) lastTickLength = 0;
16164 whiteTimeRemaining -= lastTickLength;
16165 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16167 if(blackNPS >= 0) lastTickLength = 0;
16168 blackTimeRemaining -= lastTickLength;
16169 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16174 /* Start clock of player on move. Time may have been reset, so
16175 if clock is already running, stop and restart it. */
16179 (void) StopClockTimer(); /* in case it was running already */
16180 DisplayBothClocks();
16181 if (CheckFlags()) return;
16183 if (!appData.clockMode) return;
16184 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16186 GetTimeMark(&tickStartTM);
16187 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16188 whiteTimeRemaining : blackTimeRemaining);
16190 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16191 whiteNPS = blackNPS = -1;
16192 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16193 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16194 whiteNPS = first.nps;
16195 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16196 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16197 blackNPS = first.nps;
16198 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16199 whiteNPS = second.nps;
16200 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16201 blackNPS = second.nps;
16202 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16204 StartClockTimer(intendedTickLength);
16211 long second, minute, hour, day;
16213 static char buf[32];
16215 if (ms > 0 && ms <= 9900) {
16216 /* convert milliseconds to tenths, rounding up */
16217 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16219 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16223 /* convert milliseconds to seconds, rounding up */
16224 /* use floating point to avoid strangeness of integer division
16225 with negative dividends on many machines */
16226 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16233 day = second / (60 * 60 * 24);
16234 second = second % (60 * 60 * 24);
16235 hour = second / (60 * 60);
16236 second = second % (60 * 60);
16237 minute = second / 60;
16238 second = second % 60;
16241 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16242 sign, day, hour, minute, second);
16244 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16246 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16253 * This is necessary because some C libraries aren't ANSI C compliant yet.
16256 StrStr(string, match)
16257 char *string, *match;
16261 length = strlen(match);
16263 for (i = strlen(string) - length; i >= 0; i--, string++)
16264 if (!strncmp(match, string, length))
16271 StrCaseStr(string, match)
16272 char *string, *match;
16276 length = strlen(match);
16278 for (i = strlen(string) - length; i >= 0; i--, string++) {
16279 for (j = 0; j < length; j++) {
16280 if (ToLower(match[j]) != ToLower(string[j]))
16283 if (j == length) return string;
16297 c1 = ToLower(*s1++);
16298 c2 = ToLower(*s2++);
16299 if (c1 > c2) return 1;
16300 if (c1 < c2) return -1;
16301 if (c1 == NULLCHAR) return 0;
16310 return isupper(c) ? tolower(c) : c;
16318 return islower(c) ? toupper(c) : c;
16320 #endif /* !_amigados */
16328 if ((ret = (char *) malloc(strlen(s) + 1)))
16330 safeStrCpy(ret, s, strlen(s)+1);
16336 StrSavePtr(s, savePtr)
16337 char *s, **savePtr;
16342 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16343 safeStrCpy(*savePtr, s, strlen(s)+1);
16355 clock = time((time_t *)NULL);
16356 tm = localtime(&clock);
16357 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16358 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16359 return StrSave(buf);
16364 PositionToFEN(move, overrideCastling)
16366 char *overrideCastling;
16368 int i, j, fromX, fromY, toX, toY;
16375 whiteToPlay = (gameMode == EditPosition) ?
16376 !blackPlaysFirst : (move % 2 == 0);
16379 /* Piece placement data */
16380 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16381 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16383 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16384 if (boards[move][i][j] == EmptySquare) {
16386 } else { ChessSquare piece = boards[move][i][j];
16387 if (emptycount > 0) {
16388 if(emptycount<10) /* [HGM] can be >= 10 */
16389 *p++ = '0' + emptycount;
16390 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16393 if(PieceToChar(piece) == '+') {
16394 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16396 piece = (ChessSquare)(DEMOTED piece);
16398 *p++ = PieceToChar(piece);
16400 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16401 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16406 if (emptycount > 0) {
16407 if(emptycount<10) /* [HGM] can be >= 10 */
16408 *p++ = '0' + emptycount;
16409 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16416 /* [HGM] print Crazyhouse or Shogi holdings */
16417 if( gameInfo.holdingsWidth ) {
16418 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16420 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16421 piece = boards[move][i][BOARD_WIDTH-1];
16422 if( piece != EmptySquare )
16423 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16424 *p++ = PieceToChar(piece);
16426 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16427 piece = boards[move][BOARD_HEIGHT-i-1][0];
16428 if( piece != EmptySquare )
16429 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16430 *p++ = PieceToChar(piece);
16433 if( q == p ) *p++ = '-';
16439 *p++ = whiteToPlay ? 'w' : 'b';
16442 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16443 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16445 if(nrCastlingRights) {
16447 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16448 /* [HGM] write directly from rights */
16449 if(boards[move][CASTLING][2] != NoRights &&
16450 boards[move][CASTLING][0] != NoRights )
16451 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16452 if(boards[move][CASTLING][2] != NoRights &&
16453 boards[move][CASTLING][1] != NoRights )
16454 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16455 if(boards[move][CASTLING][5] != NoRights &&
16456 boards[move][CASTLING][3] != NoRights )
16457 *p++ = boards[move][CASTLING][3] + AAA;
16458 if(boards[move][CASTLING][5] != NoRights &&
16459 boards[move][CASTLING][4] != NoRights )
16460 *p++ = boards[move][CASTLING][4] + AAA;
16463 /* [HGM] write true castling rights */
16464 if( nrCastlingRights == 6 ) {
16465 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16466 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16467 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16468 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16469 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16470 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16471 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16472 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16475 if (q == p) *p++ = '-'; /* No castling rights */
16479 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16480 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16481 /* En passant target square */
16482 if (move > backwardMostMove) {
16483 fromX = moveList[move - 1][0] - AAA;
16484 fromY = moveList[move - 1][1] - ONE;
16485 toX = moveList[move - 1][2] - AAA;
16486 toY = moveList[move - 1][3] - ONE;
16487 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16488 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16489 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16491 /* 2-square pawn move just happened */
16493 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16497 } else if(move == backwardMostMove) {
16498 // [HGM] perhaps we should always do it like this, and forget the above?
16499 if((signed char)boards[move][EP_STATUS] >= 0) {
16500 *p++ = boards[move][EP_STATUS] + AAA;
16501 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16512 /* [HGM] find reversible plies */
16513 { int i = 0, j=move;
16515 if (appData.debugMode) { int k;
16516 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16517 for(k=backwardMostMove; k<=forwardMostMove; k++)
16518 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16522 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16523 if( j == backwardMostMove ) i += initialRulePlies;
16524 sprintf(p, "%d ", i);
16525 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16527 /* Fullmove number */
16528 sprintf(p, "%d", (move / 2) + 1);
16530 return StrSave(buf);
16534 ParseFEN(board, blackPlaysFirst, fen)
16536 int *blackPlaysFirst;
16546 /* [HGM] by default clear Crazyhouse holdings, if present */
16547 if(gameInfo.holdingsWidth) {
16548 for(i=0; i<BOARD_HEIGHT; i++) {
16549 board[i][0] = EmptySquare; /* black holdings */
16550 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16551 board[i][1] = (ChessSquare) 0; /* black counts */
16552 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16556 /* Piece placement data */
16557 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16560 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16561 if (*p == '/') p++;
16562 emptycount = gameInfo.boardWidth - j;
16563 while (emptycount--)
16564 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16566 #if(BOARD_FILES >= 10)
16567 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16568 p++; emptycount=10;
16569 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16570 while (emptycount--)
16571 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16573 } else if (isdigit(*p)) {
16574 emptycount = *p++ - '0';
16575 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16576 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16577 while (emptycount--)
16578 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16579 } else if (*p == '+' || isalpha(*p)) {
16580 if (j >= gameInfo.boardWidth) return FALSE;
16582 piece = CharToPiece(*++p);
16583 if(piece == EmptySquare) return FALSE; /* unknown piece */
16584 piece = (ChessSquare) (PROMOTED piece ); p++;
16585 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16586 } else piece = CharToPiece(*p++);
16588 if(piece==EmptySquare) return FALSE; /* unknown piece */
16589 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16590 piece = (ChessSquare) (PROMOTED piece);
16591 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16594 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16600 while (*p == '/' || *p == ' ') p++;
16602 /* [HGM] look for Crazyhouse holdings here */
16603 while(*p==' ') p++;
16604 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16606 if(*p == '-' ) p++; /* empty holdings */ else {
16607 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16608 /* if we would allow FEN reading to set board size, we would */
16609 /* have to add holdings and shift the board read so far here */
16610 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16612 if((int) piece >= (int) BlackPawn ) {
16613 i = (int)piece - (int)BlackPawn;
16614 i = PieceToNumber((ChessSquare)i);
16615 if( i >= gameInfo.holdingsSize ) return FALSE;
16616 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16617 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16619 i = (int)piece - (int)WhitePawn;
16620 i = PieceToNumber((ChessSquare)i);
16621 if( i >= gameInfo.holdingsSize ) return FALSE;
16622 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16623 board[i][BOARD_WIDTH-2]++; /* black holdings */
16630 while(*p == ' ') p++;
16634 if(appData.colorNickNames) {
16635 if( c == appData.colorNickNames[0] ) c = 'w'; else
16636 if( c == appData.colorNickNames[1] ) c = 'b';
16640 *blackPlaysFirst = FALSE;
16643 *blackPlaysFirst = TRUE;
16649 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16650 /* return the extra info in global variiables */
16652 /* set defaults in case FEN is incomplete */
16653 board[EP_STATUS] = EP_UNKNOWN;
16654 for(i=0; i<nrCastlingRights; i++ ) {
16655 board[CASTLING][i] =
16656 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16657 } /* assume possible unless obviously impossible */
16658 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16659 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16660 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16661 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16662 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16663 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16664 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16665 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16668 while(*p==' ') p++;
16669 if(nrCastlingRights) {
16670 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16671 /* castling indicator present, so default becomes no castlings */
16672 for(i=0; i<nrCastlingRights; i++ ) {
16673 board[CASTLING][i] = NoRights;
16676 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16677 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16678 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16679 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16680 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16682 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16683 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16684 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16686 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16687 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16688 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16689 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16690 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16691 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16694 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16695 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16696 board[CASTLING][2] = whiteKingFile;
16699 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16700 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16701 board[CASTLING][2] = whiteKingFile;
16704 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16705 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16706 board[CASTLING][5] = blackKingFile;
16709 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16710 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16711 board[CASTLING][5] = blackKingFile;
16714 default: /* FRC castlings */
16715 if(c >= 'a') { /* black rights */
16716 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16717 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16718 if(i == BOARD_RGHT) break;
16719 board[CASTLING][5] = i;
16721 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16722 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16724 board[CASTLING][3] = c;
16726 board[CASTLING][4] = c;
16727 } else { /* white rights */
16728 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16729 if(board[0][i] == WhiteKing) break;
16730 if(i == BOARD_RGHT) break;
16731 board[CASTLING][2] = i;
16732 c -= AAA - 'a' + 'A';
16733 if(board[0][c] >= WhiteKing) break;
16735 board[CASTLING][0] = c;
16737 board[CASTLING][1] = c;
16741 for(i=0; i<nrCastlingRights; i++)
16742 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16743 if (appData.debugMode) {
16744 fprintf(debugFP, "FEN castling rights:");
16745 for(i=0; i<nrCastlingRights; i++)
16746 fprintf(debugFP, " %d", board[CASTLING][i]);
16747 fprintf(debugFP, "\n");
16750 while(*p==' ') p++;
16753 /* read e.p. field in games that know e.p. capture */
16754 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16755 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16757 p++; board[EP_STATUS] = EP_NONE;
16759 char c = *p++ - AAA;
16761 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16762 if(*p >= '0' && *p <='9') p++;
16763 board[EP_STATUS] = c;
16768 if(sscanf(p, "%d", &i) == 1) {
16769 FENrulePlies = i; /* 50-move ply counter */
16770 /* (The move number is still ignored) */
16777 EditPositionPasteFEN(char *fen)
16780 Board initial_position;
16782 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16783 DisplayError(_("Bad FEN position in clipboard"), 0);
16786 int savedBlackPlaysFirst = blackPlaysFirst;
16787 EditPositionEvent();
16788 blackPlaysFirst = savedBlackPlaysFirst;
16789 CopyBoard(boards[0], initial_position);
16790 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16791 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16792 DisplayBothClocks();
16793 DrawPosition(FALSE, boards[currentMove]);
16798 static char cseq[12] = "\\ ";
16800 Boolean set_cont_sequence(char *new_seq)
16805 // handle bad attempts to set the sequence
16807 return 0; // acceptable error - no debug
16809 len = strlen(new_seq);
16810 ret = (len > 0) && (len < sizeof(cseq));
16812 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16813 else if (appData.debugMode)
16814 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16819 reformat a source message so words don't cross the width boundary. internal
16820 newlines are not removed. returns the wrapped size (no null character unless
16821 included in source message). If dest is NULL, only calculate the size required
16822 for the dest buffer. lp argument indicats line position upon entry, and it's
16823 passed back upon exit.
16825 int wrap(char *dest, char *src, int count, int width, int *lp)
16827 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16829 cseq_len = strlen(cseq);
16830 old_line = line = *lp;
16831 ansi = len = clen = 0;
16833 for (i=0; i < count; i++)
16835 if (src[i] == '\033')
16838 // if we hit the width, back up
16839 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16841 // store i & len in case the word is too long
16842 old_i = i, old_len = len;
16844 // find the end of the last word
16845 while (i && src[i] != ' ' && src[i] != '\n')
16851 // word too long? restore i & len before splitting it
16852 if ((old_i-i+clen) >= width)
16859 if (i && src[i-1] == ' ')
16862 if (src[i] != ' ' && src[i] != '\n')
16869 // now append the newline and continuation sequence
16874 strncpy(dest+len, cseq, cseq_len);
16882 dest[len] = src[i];
16886 if (src[i] == '\n')
16891 if (dest && appData.debugMode)
16893 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16894 count, width, line, len, *lp);
16895 show_bytes(debugFP, src, count);
16896 fprintf(debugFP, "\ndest: ");
16897 show_bytes(debugFP, dest, len);
16898 fprintf(debugFP, "\n");
16900 *lp = dest ? line : old_line;
16905 // [HGM] vari: routines for shelving variations
16906 Boolean modeRestore = FALSE;
16909 PushInner(int firstMove, int lastMove)
16911 int i, j, nrMoves = lastMove - firstMove;
16913 // push current tail of game on stack
16914 savedResult[storedGames] = gameInfo.result;
16915 savedDetails[storedGames] = gameInfo.resultDetails;
16916 gameInfo.resultDetails = NULL;
16917 savedFirst[storedGames] = firstMove;
16918 savedLast [storedGames] = lastMove;
16919 savedFramePtr[storedGames] = framePtr;
16920 framePtr -= nrMoves; // reserve space for the boards
16921 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16922 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16923 for(j=0; j<MOVE_LEN; j++)
16924 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16925 for(j=0; j<2*MOVE_LEN; j++)
16926 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16927 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16928 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16929 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16930 pvInfoList[firstMove+i-1].depth = 0;
16931 commentList[framePtr+i] = commentList[firstMove+i];
16932 commentList[firstMove+i] = NULL;
16936 forwardMostMove = firstMove; // truncate game so we can start variation
16940 PushTail(int firstMove, int lastMove)
16942 if(appData.icsActive) { // only in local mode
16943 forwardMostMove = currentMove; // mimic old ICS behavior
16946 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16948 PushInner(firstMove, lastMove);
16949 if(storedGames == 1) GreyRevert(FALSE);
16950 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16954 PopInner(Boolean annotate)
16957 char buf[8000], moveBuf[20];
16959 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16960 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16961 nrMoves = savedLast[storedGames] - currentMove;
16964 if(!WhiteOnMove(currentMove))
16965 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16966 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16967 for(i=currentMove; i<forwardMostMove; i++) {
16969 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16970 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16971 strcat(buf, moveBuf);
16972 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16973 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16977 for(i=1; i<=nrMoves; i++) { // copy last variation back
16978 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16979 for(j=0; j<MOVE_LEN; j++)
16980 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16981 for(j=0; j<2*MOVE_LEN; j++)
16982 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16983 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16984 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16985 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16986 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16987 commentList[currentMove+i] = commentList[framePtr+i];
16988 commentList[framePtr+i] = NULL;
16990 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16991 framePtr = savedFramePtr[storedGames];
16992 gameInfo.result = savedResult[storedGames];
16993 if(gameInfo.resultDetails != NULL) {
16994 free(gameInfo.resultDetails);
16996 gameInfo.resultDetails = savedDetails[storedGames];
16997 forwardMostMove = currentMove + nrMoves;
17001 PopTail(Boolean annotate)
17003 if(appData.icsActive) return FALSE; // only in local mode
17004 if(!storedGames) return FALSE; // sanity
17005 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17007 PopInner(annotate);
17008 if(currentMove < forwardMostMove) ForwardEvent(); else
17009 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17011 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17017 { // remove all shelved variations
17019 for(i=0; i<storedGames; i++) {
17020 if(savedDetails[i])
17021 free(savedDetails[i]);
17022 savedDetails[i] = NULL;
17024 for(i=framePtr; i<MAX_MOVES; i++) {
17025 if(commentList[i]) free(commentList[i]);
17026 commentList[i] = NULL;
17028 framePtr = MAX_MOVES-1;
17033 LoadVariation(int index, char *text)
17034 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17035 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17036 int level = 0, move;
17038 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17039 // first find outermost bracketing variation
17040 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17041 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17042 if(*p == '{') wait = '}'; else
17043 if(*p == '[') wait = ']'; else
17044 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17045 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17047 if(*p == wait) wait = NULLCHAR; // closing ]} found
17050 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17051 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17052 end[1] = NULLCHAR; // clip off comment beyond variation
17053 ToNrEvent(currentMove-1);
17054 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17055 // kludge: use ParsePV() to append variation to game
17056 move = currentMove;
17057 ParsePV(start, TRUE, TRUE);
17058 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17059 ClearPremoveHighlights();
17061 ToNrEvent(currentMove+1);