2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
135 # define _(s) gettext (s)
136 # define N_(s) gettext_noop (s)
137 # define T_(s) gettext(s)
150 int establish P((void));
151 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
152 char *buf, int count, int error));
153 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
154 char *buf, int count, int error));
155 void ics_printf P((char *format, ...));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
227 extern void ConsoleCreate();
230 ChessProgramState *WhitePlayer();
231 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
232 int VerifyDisplayMode P(());
234 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
235 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
236 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
237 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
238 void ics_update_width P((int new_width));
239 extern char installDir[MSG_SIZ];
240 VariantClass startVariant; /* [HGM] nicks: initial variant */
243 extern int tinyLayout, smallLayout;
244 ChessProgramStats programStats;
245 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
247 static int exiting = 0; /* [HGM] moved to top */
248 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
249 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
250 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
251 int partnerHighlight[2];
252 Boolean partnerBoardValid = 0;
253 char partnerStatus[MSG_SIZ];
255 Boolean originalFlip;
256 Boolean twoBoards = 0;
257 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
258 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
259 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
260 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
261 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
262 int opponentKibitzes;
263 int lastSavedGame; /* [HGM] save: ID of game */
264 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
265 extern int chatCount;
267 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
268 char lastMsg[MSG_SIZ];
269 ChessSquare pieceSweep = EmptySquare;
270 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
271 int promoDefaultAltered;
273 /* States for ics_getting_history */
275 #define H_REQUESTED 1
276 #define H_GOT_REQ_HEADER 2
277 #define H_GOT_UNREQ_HEADER 3
278 #define H_GETTING_MOVES 4
279 #define H_GOT_UNWANTED_HEADER 5
281 /* whosays values for GameEnds */
290 /* Maximum number of games in a cmail message */
291 #define CMAIL_MAX_GAMES 20
293 /* Different types of move when calling RegisterMove */
295 #define CMAIL_RESIGN 1
297 #define CMAIL_ACCEPT 3
299 /* Different types of result to remember for each game */
300 #define CMAIL_NOT_RESULT 0
301 #define CMAIL_OLD_RESULT 1
302 #define CMAIL_NEW_RESULT 2
304 /* Telnet protocol constants */
315 safeStrCpy( char *dst, const char *src, size_t count )
318 assert( dst != NULL );
319 assert( src != NULL );
322 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
323 if( i == count && dst[count-1] != NULLCHAR)
325 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
326 if(appData.debugMode)
327 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
333 /* Some compiler can't cast u64 to double
334 * This function do the job for us:
336 * We use the highest bit for cast, this only
337 * works if the highest bit is not
338 * in use (This should not happen)
340 * We used this for all compiler
343 u64ToDouble(u64 value)
346 u64 tmp = value & u64Const(0x7fffffffffffffff);
347 r = (double)(s64)tmp;
348 if (value & u64Const(0x8000000000000000))
349 r += 9.2233720368547758080e18; /* 2^63 */
353 /* Fake up flags for now, as we aren't keeping track of castling
354 availability yet. [HGM] Change of logic: the flag now only
355 indicates the type of castlings allowed by the rule of the game.
356 The actual rights themselves are maintained in the array
357 castlingRights, as part of the game history, and are not probed
363 int flags = F_ALL_CASTLE_OK;
364 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
365 switch (gameInfo.variant) {
367 flags &= ~F_ALL_CASTLE_OK;
368 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
369 flags |= F_IGNORE_CHECK;
371 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
374 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
376 case VariantKriegspiel:
377 flags |= F_KRIEGSPIEL_CAPTURE;
379 case VariantCapaRandom:
380 case VariantFischeRandom:
381 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
382 case VariantNoCastle:
383 case VariantShatranj:
387 flags &= ~F_ALL_CASTLE_OK;
395 FILE *gameFileFP, *debugFP;
398 [AS] Note: sometimes, the sscanf() function is used to parse the input
399 into a fixed-size buffer. Because of this, we must be prepared to
400 receive strings as long as the size of the input buffer, which is currently
401 set to 4K for Windows and 8K for the rest.
402 So, we must either allocate sufficiently large buffers here, or
403 reduce the size of the input buffer in the input reading part.
406 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
407 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
408 char thinkOutput1[MSG_SIZ*10];
410 ChessProgramState first, second, pairing;
412 /* premove variables */
415 int premoveFromX = 0;
416 int premoveFromY = 0;
417 int premovePromoChar = 0;
419 Boolean alarmSounded;
420 /* end premove variables */
422 char *ics_prefix = "$";
423 int ics_type = ICS_GENERIC;
425 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
426 int pauseExamForwardMostMove = 0;
427 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
428 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
429 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
430 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
431 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
432 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
433 int whiteFlag = FALSE, blackFlag = FALSE;
434 int userOfferedDraw = FALSE;
435 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
436 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
437 int cmailMoveType[CMAIL_MAX_GAMES];
438 long ics_clock_paused = 0;
439 ProcRef icsPR = NoProc, cmailPR = NoProc;
440 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
441 GameMode gameMode = BeginningOfGame;
442 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
443 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
444 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
445 int hiddenThinkOutputState = 0; /* [AS] */
446 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
447 int adjudicateLossPlies = 6;
448 char white_holding[64], black_holding[64];
449 TimeMark lastNodeCountTime;
450 long lastNodeCount=0;
451 int shiftKey; // [HGM] set by mouse handler
453 int have_sent_ICS_logon = 0;
455 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
456 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
457 Boolean adjustedClock;
458 long timeControl_2; /* [AS] Allow separate time controls */
459 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
460 long timeRemaining[2][MAX_MOVES];
461 int matchGame = 0, nextGame = 0, roundNr = 0;
462 Boolean waitingForGame = FALSE;
463 TimeMark programStartTime, pauseStart;
464 char ics_handle[MSG_SIZ];
465 int have_set_title = 0;
467 /* animateTraining preserves the state of appData.animate
468 * when Training mode is activated. This allows the
469 * response to be animated when appData.animate == TRUE and
470 * appData.animateDragging == TRUE.
472 Boolean animateTraining;
478 Board boards[MAX_MOVES];
479 /* [HGM] Following 7 needed for accurate legality tests: */
480 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
481 signed char initialRights[BOARD_FILES];
482 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
483 int initialRulePlies, FENrulePlies;
484 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
486 Boolean shuffleOpenings;
487 int mute; // mute all sounds
489 // [HGM] vari: next 12 to save and restore variations
490 #define MAX_VARIATIONS 10
491 int framePtr = MAX_MOVES-1; // points to free stack entry
493 int savedFirst[MAX_VARIATIONS];
494 int savedLast[MAX_VARIATIONS];
495 int savedFramePtr[MAX_VARIATIONS];
496 char *savedDetails[MAX_VARIATIONS];
497 ChessMove savedResult[MAX_VARIATIONS];
499 void PushTail P((int firstMove, int lastMove));
500 Boolean PopTail P((Boolean annotate));
501 void PushInner P((int firstMove, int lastMove));
502 void PopInner P((Boolean annotate));
503 void CleanupTail P((void));
505 ChessSquare FIDEArray[2][BOARD_FILES] = {
506 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
507 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
508 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
509 BlackKing, BlackBishop, BlackKnight, BlackRook }
512 ChessSquare twoKingsArray[2][BOARD_FILES] = {
513 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
514 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
515 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
516 BlackKing, BlackKing, BlackKnight, BlackRook }
519 ChessSquare KnightmateArray[2][BOARD_FILES] = {
520 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
521 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
522 { BlackRook, BlackMan, BlackBishop, BlackQueen,
523 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
526 ChessSquare SpartanArray[2][BOARD_FILES] = {
527 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
528 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
529 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
530 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
533 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
534 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
535 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
536 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
537 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
540 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
541 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
542 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
543 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
544 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
547 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
548 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
549 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
550 { BlackRook, BlackKnight, BlackMan, BlackFerz,
551 BlackKing, BlackMan, BlackKnight, BlackRook }
555 #if (BOARD_FILES>=10)
556 ChessSquare ShogiArray[2][BOARD_FILES] = {
557 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
558 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
559 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
560 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
563 ChessSquare XiangqiArray[2][BOARD_FILES] = {
564 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
565 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
566 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
567 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
570 ChessSquare CapablancaArray[2][BOARD_FILES] = {
571 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
572 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
573 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
574 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
577 ChessSquare GreatArray[2][BOARD_FILES] = {
578 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
579 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
580 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
581 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
584 ChessSquare JanusArray[2][BOARD_FILES] = {
585 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
586 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
587 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
588 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
591 ChessSquare GrandArray[2][BOARD_FILES] = {
592 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
593 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
594 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
595 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
599 ChessSquare GothicArray[2][BOARD_FILES] = {
600 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
601 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
602 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
603 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
606 #define GothicArray CapablancaArray
610 ChessSquare FalconArray[2][BOARD_FILES] = {
611 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
612 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
613 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
614 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
617 #define FalconArray CapablancaArray
620 #else // !(BOARD_FILES>=10)
621 #define XiangqiPosition FIDEArray
622 #define CapablancaArray FIDEArray
623 #define GothicArray FIDEArray
624 #define GreatArray FIDEArray
625 #endif // !(BOARD_FILES>=10)
627 #if (BOARD_FILES>=12)
628 ChessSquare CourierArray[2][BOARD_FILES] = {
629 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
630 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
631 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
632 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
634 #else // !(BOARD_FILES>=12)
635 #define CourierArray CapablancaArray
636 #endif // !(BOARD_FILES>=12)
639 Board initialPosition;
642 /* Convert str to a rating. Checks for special cases of "----",
644 "++++", etc. Also strips ()'s */
646 string_to_rating(str)
649 while(*str && !isdigit(*str)) ++str;
651 return 0; /* One of the special "no rating" cases */
659 /* Init programStats */
660 programStats.movelist[0] = 0;
661 programStats.depth = 0;
662 programStats.nr_moves = 0;
663 programStats.moves_left = 0;
664 programStats.nodes = 0;
665 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
666 programStats.score = 0;
667 programStats.got_only_move = 0;
668 programStats.got_fail = 0;
669 programStats.line_is_book = 0;
674 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
675 if (appData.firstPlaysBlack) {
676 first.twoMachinesColor = "black\n";
677 second.twoMachinesColor = "white\n";
679 first.twoMachinesColor = "white\n";
680 second.twoMachinesColor = "black\n";
683 first.other = &second;
684 second.other = &first;
687 if(appData.timeOddsMode) {
688 norm = appData.timeOdds[0];
689 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
691 first.timeOdds = appData.timeOdds[0]/norm;
692 second.timeOdds = appData.timeOdds[1]/norm;
695 if(programVersion) free(programVersion);
696 if (appData.noChessProgram) {
697 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
698 sprintf(programVersion, "%s", PACKAGE_STRING);
700 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
701 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
702 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
707 UnloadEngine(ChessProgramState *cps)
709 /* Kill off first chess program */
710 if (cps->isr != NULL)
711 RemoveInputSource(cps->isr);
714 if (cps->pr != NoProc) {
716 DoSleep( appData.delayBeforeQuit );
717 SendToProgram("quit\n", cps);
718 DoSleep( appData.delayAfterQuit );
719 DestroyChildProcess(cps->pr, cps->useSigterm);
722 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
726 ClearOptions(ChessProgramState *cps)
729 cps->nrOptions = cps->comboCnt = 0;
730 for(i=0; i<MAX_OPTIONS; i++) {
731 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
732 cps->option[i].textValue = 0;
736 char *engineNames[] = {
742 InitEngine(ChessProgramState *cps, int n)
743 { // [HGM] all engine initialiation put in a function that does one engine
747 cps->which = engineNames[n];
748 cps->maybeThinking = FALSE;
752 cps->sendDrawOffers = 1;
754 cps->program = appData.chessProgram[n];
755 cps->host = appData.host[n];
756 cps->dir = appData.directory[n];
757 cps->initString = appData.engInitString[n];
758 cps->computerString = appData.computerString[n];
759 cps->useSigint = TRUE;
760 cps->useSigterm = TRUE;
761 cps->reuse = appData.reuse[n];
762 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
763 cps->useSetboard = FALSE;
765 cps->usePing = FALSE;
768 cps->usePlayother = FALSE;
769 cps->useColors = TRUE;
770 cps->useUsermove = FALSE;
771 cps->sendICS = FALSE;
772 cps->sendName = appData.icsActive;
773 cps->sdKludge = FALSE;
774 cps->stKludge = FALSE;
775 TidyProgramName(cps->program, cps->host, cps->tidy);
777 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
778 cps->analysisSupport = 2; /* detect */
779 cps->analyzing = FALSE;
780 cps->initDone = FALSE;
782 /* New features added by Tord: */
783 cps->useFEN960 = FALSE;
784 cps->useOOCastle = TRUE;
785 /* End of new features added by Tord. */
786 cps->fenOverride = appData.fenOverride[n];
788 /* [HGM] time odds: set factor for each machine */
789 cps->timeOdds = appData.timeOdds[n];
791 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
792 cps->accumulateTC = appData.accumulateTC[n];
793 cps->maxNrOfSessions = 1;
798 cps->supportsNPS = UNKNOWN;
799 cps->memSize = FALSE;
800 cps->maxCores = FALSE;
801 cps->egtFormats[0] = NULLCHAR;
804 cps->optionSettings = appData.engOptions[n];
806 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
807 cps->isUCI = appData.isUCI[n]; /* [AS] */
808 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
810 if (appData.protocolVersion[n] > PROTOVER
811 || appData.protocolVersion[n] < 1)
816 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
817 appData.protocolVersion[n]);
818 if( (len >= MSG_SIZ) && appData.debugMode )
819 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
821 DisplayFatalError(buf, 0, 2);
825 cps->protocolVersion = appData.protocolVersion[n];
828 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
829 ParseFeatures(appData.featureDefaults, cps);
832 ChessProgramState *savCps;
838 if(WaitForEngine(savCps, LoadEngine)) return;
839 CommonEngineInit(); // recalculate time odds
840 if(gameInfo.variant != StringToVariant(appData.variant)) {
841 // we changed variant when loading the engine; this forces us to reset
842 Reset(TRUE, savCps != &first);
843 EditGameEvent(); // for consistency with other path, as Reset changes mode
845 InitChessProgram(savCps, FALSE);
846 SendToProgram("force\n", savCps);
847 DisplayMessage("", "");
848 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
849 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
855 ReplaceEngine(ChessProgramState *cps, int n)
859 appData.noChessProgram = FALSE;
860 appData.clockMode = TRUE;
863 if(n) return; // only startup first engine immediately; second can wait
864 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
868 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
869 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
871 static char resetOptions[] =
872 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
873 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
874 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
877 Load(ChessProgramState *cps, int i)
879 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
880 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
881 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
882 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
883 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
884 ParseArgsFromString(buf);
886 ReplaceEngine(cps, i);
890 while(q = strchr(p, SLASH)) p = q+1;
891 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
892 if(engineDir[0] != NULLCHAR)
893 appData.directory[i] = engineDir;
894 else if(p != engineName) { // derive directory from engine path, when not given
896 appData.directory[i] = strdup(engineName);
898 } else appData.directory[i] = ".";
900 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
901 snprintf(command, MSG_SIZ, "%s %s", p, params);
904 appData.chessProgram[i] = strdup(p);
905 appData.isUCI[i] = isUCI;
906 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
907 appData.hasOwnBookUCI[i] = hasBook;
908 if(!nickName[0]) useNick = FALSE;
909 if(useNick) ASSIGN(appData.pgnName[i], nickName);
913 q = firstChessProgramNames;
914 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
915 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
916 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
917 quote, p, quote, appData.directory[i],
918 useNick ? " -fn \"" : "",
919 useNick ? nickName : "",
921 v1 ? " -firstProtocolVersion 1" : "",
922 hasBook ? "" : " -fNoOwnBookUCI",
923 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
924 storeVariant ? " -variant " : "",
925 storeVariant ? VariantName(gameInfo.variant) : "");
926 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
927 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
930 ReplaceEngine(cps, i);
936 int matched, min, sec;
938 * Parse timeControl resource
940 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
941 appData.movesPerSession)) {
943 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
944 DisplayFatalError(buf, 0, 2);
948 * Parse searchTime resource
950 if (*appData.searchTime != NULLCHAR) {
951 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
953 searchTime = min * 60;
954 } else if (matched == 2) {
955 searchTime = min * 60 + sec;
958 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
959 DisplayFatalError(buf, 0, 2);
968 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
969 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
971 GetTimeMark(&programStartTime);
972 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
973 appData.seedBase = random() + (random()<<15);
974 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
977 programStats.ok_to_send = 1;
978 programStats.seen_stat = 0;
981 * Initialize game list
987 * Internet chess server status
989 if (appData.icsActive) {
990 appData.matchMode = FALSE;
991 appData.matchGames = 0;
993 appData.noChessProgram = !appData.zippyPlay;
995 appData.zippyPlay = FALSE;
996 appData.zippyTalk = FALSE;
997 appData.noChessProgram = TRUE;
999 if (*appData.icsHelper != NULLCHAR) {
1000 appData.useTelnet = TRUE;
1001 appData.telnetProgram = appData.icsHelper;
1004 appData.zippyTalk = appData.zippyPlay = FALSE;
1007 /* [AS] Initialize pv info list [HGM] and game state */
1011 for( i=0; i<=framePtr; i++ ) {
1012 pvInfoList[i].depth = -1;
1013 boards[i][EP_STATUS] = EP_NONE;
1014 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1020 /* [AS] Adjudication threshold */
1021 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1023 InitEngine(&first, 0);
1024 InitEngine(&second, 1);
1027 pairing.which = "pairing"; // pairing engine
1028 pairing.pr = NoProc;
1030 pairing.program = appData.pairingEngine;
1031 pairing.host = "localhost";
1034 if (appData.icsActive) {
1035 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1036 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1037 appData.clockMode = FALSE;
1038 first.sendTime = second.sendTime = 0;
1042 /* Override some settings from environment variables, for backward
1043 compatibility. Unfortunately it's not feasible to have the env
1044 vars just set defaults, at least in xboard. Ugh.
1046 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1051 if (!appData.icsActive) {
1055 /* Check for variants that are supported only in ICS mode,
1056 or not at all. Some that are accepted here nevertheless
1057 have bugs; see comments below.
1059 VariantClass variant = StringToVariant(appData.variant);
1061 case VariantBughouse: /* need four players and two boards */
1062 case VariantKriegspiel: /* need to hide pieces and move details */
1063 /* case VariantFischeRandom: (Fabien: moved below) */
1064 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1065 if( (len >= MSG_SIZ) && appData.debugMode )
1066 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1068 DisplayFatalError(buf, 0, 2);
1071 case VariantUnknown:
1072 case VariantLoadable:
1082 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1083 if( (len >= MSG_SIZ) && appData.debugMode )
1084 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1086 DisplayFatalError(buf, 0, 2);
1089 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1090 case VariantFairy: /* [HGM] TestLegality definitely off! */
1091 case VariantGothic: /* [HGM] should work */
1092 case VariantCapablanca: /* [HGM] should work */
1093 case VariantCourier: /* [HGM] initial forced moves not implemented */
1094 case VariantShogi: /* [HGM] could still mate with pawn drop */
1095 case VariantKnightmate: /* [HGM] should work */
1096 case VariantCylinder: /* [HGM] untested */
1097 case VariantFalcon: /* [HGM] untested */
1098 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1099 offboard interposition not understood */
1100 case VariantNormal: /* definitely works! */
1101 case VariantWildCastle: /* pieces not automatically shuffled */
1102 case VariantNoCastle: /* pieces not automatically shuffled */
1103 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1104 case VariantLosers: /* should work except for win condition,
1105 and doesn't know captures are mandatory */
1106 case VariantSuicide: /* should work except for win condition,
1107 and doesn't know captures are mandatory */
1108 case VariantGiveaway: /* should work except for win condition,
1109 and doesn't know captures are mandatory */
1110 case VariantTwoKings: /* should work */
1111 case VariantAtomic: /* should work except for win condition */
1112 case Variant3Check: /* should work except for win condition */
1113 case VariantShatranj: /* should work except for all win conditions */
1114 case VariantMakruk: /* should work except for draw countdown */
1115 case VariantBerolina: /* might work if TestLegality is off */
1116 case VariantCapaRandom: /* should work */
1117 case VariantJanus: /* should work */
1118 case VariantSuper: /* experimental */
1119 case VariantGreat: /* experimental, requires legality testing to be off */
1120 case VariantSChess: /* S-Chess, should work */
1121 case VariantGrand: /* should work */
1122 case VariantSpartan: /* should work */
1129 int NextIntegerFromString( char ** str, long * value )
1134 while( *s == ' ' || *s == '\t' ) {
1140 if( *s >= '0' && *s <= '9' ) {
1141 while( *s >= '0' && *s <= '9' ) {
1142 *value = *value * 10 + (*s - '0');
1154 int NextTimeControlFromString( char ** str, long * value )
1157 int result = NextIntegerFromString( str, &temp );
1160 *value = temp * 60; /* Minutes */
1161 if( **str == ':' ) {
1163 result = NextIntegerFromString( str, &temp );
1164 *value += temp; /* Seconds */
1171 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1172 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1173 int result = -1, type = 0; long temp, temp2;
1175 if(**str != ':') return -1; // old params remain in force!
1177 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1178 if( NextIntegerFromString( str, &temp ) ) return -1;
1179 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1182 /* time only: incremental or sudden-death time control */
1183 if(**str == '+') { /* increment follows; read it */
1185 if(**str == '!') type = *(*str)++; // Bronstein TC
1186 if(result = NextIntegerFromString( str, &temp2)) return -1;
1187 *inc = temp2 * 1000;
1188 if(**str == '.') { // read fraction of increment
1189 char *start = ++(*str);
1190 if(result = NextIntegerFromString( str, &temp2)) return -1;
1192 while(start++ < *str) temp2 /= 10;
1196 *moves = 0; *tc = temp * 1000; *incType = type;
1200 (*str)++; /* classical time control */
1201 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1212 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1213 { /* [HGM] get time to add from the multi-session time-control string */
1214 int incType, moves=1; /* kludge to force reading of first session */
1215 long time, increment;
1218 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1219 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1221 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1222 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1223 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1224 if(movenr == -1) return time; /* last move before new session */
1225 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1226 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1227 if(!moves) return increment; /* current session is incremental */
1228 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1229 } while(movenr >= -1); /* try again for next session */
1231 return 0; // no new time quota on this move
1235 ParseTimeControl(tc, ti, mps)
1242 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1245 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1246 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1247 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1251 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1253 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1256 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1258 snprintf(buf, MSG_SIZ, ":%s", mytc);
1260 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1262 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1267 /* Parse second time control */
1270 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1278 timeControl_2 = tc2 * 1000;
1288 timeControl = tc1 * 1000;
1291 timeIncrement = ti * 1000; /* convert to ms */
1292 movesPerSession = 0;
1295 movesPerSession = mps;
1303 if (appData.debugMode) {
1304 fprintf(debugFP, "%s\n", programVersion);
1307 set_cont_sequence(appData.wrapContSeq);
1308 if (appData.matchGames > 0) {
1309 appData.matchMode = TRUE;
1310 } else if (appData.matchMode) {
1311 appData.matchGames = 1;
1313 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1314 appData.matchGames = appData.sameColorGames;
1315 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1316 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1317 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1320 if (appData.noChessProgram || first.protocolVersion == 1) {
1323 /* kludge: allow timeout for initial "feature" commands */
1325 DisplayMessage("", _("Starting chess program"));
1326 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1331 CalculateIndex(int index, int gameNr)
1332 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1334 if(index > 0) return index; // fixed nmber
1335 if(index == 0) return 1;
1336 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1337 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1342 LoadGameOrPosition(int gameNr)
1343 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1344 if (*appData.loadGameFile != NULLCHAR) {
1345 if (!LoadGameFromFile(appData.loadGameFile,
1346 CalculateIndex(appData.loadGameIndex, gameNr),
1347 appData.loadGameFile, FALSE)) {
1348 DisplayFatalError(_("Bad game file"), 0, 1);
1351 } else if (*appData.loadPositionFile != NULLCHAR) {
1352 if (!LoadPositionFromFile(appData.loadPositionFile,
1353 CalculateIndex(appData.loadPositionIndex, gameNr),
1354 appData.loadPositionFile)) {
1355 DisplayFatalError(_("Bad position file"), 0, 1);
1363 ReserveGame(int gameNr, char resChar)
1365 FILE *tf = fopen(appData.tourneyFile, "r+");
1366 char *p, *q, c, buf[MSG_SIZ];
1367 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1368 safeStrCpy(buf, lastMsg, MSG_SIZ);
1369 DisplayMessage(_("Pick new game"), "");
1370 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1371 ParseArgsFromFile(tf);
1372 p = q = appData.results;
1373 if(appData.debugMode) {
1374 char *r = appData.participants;
1375 fprintf(debugFP, "results = '%s'\n", p);
1376 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1377 fprintf(debugFP, "\n");
1379 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1381 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1382 safeStrCpy(q, p, strlen(p) + 2);
1383 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1384 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1385 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1386 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1389 fseek(tf, -(strlen(p)+4), SEEK_END);
1391 if(c != '"') // depending on DOS or Unix line endings we can be one off
1392 fseek(tf, -(strlen(p)+2), SEEK_END);
1393 else fseek(tf, -(strlen(p)+3), SEEK_END);
1394 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1395 DisplayMessage(buf, "");
1396 free(p); appData.results = q;
1397 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1398 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1399 UnloadEngine(&first); // next game belongs to other pairing;
1400 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1405 MatchEvent(int mode)
1406 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1408 if(matchMode) { // already in match mode: switch it off
1410 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1413 // if(gameMode != BeginningOfGame) {
1414 // DisplayError(_("You can only start a match from the initial position."), 0);
1418 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1419 /* Set up machine vs. machine match */
1421 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1422 if(appData.tourneyFile[0]) {
1424 if(nextGame > appData.matchGames) {
1426 if(strchr(appData.results, '*') == NULL) {
1428 appData.tourneyCycles++;
1429 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1431 NextTourneyGame(-1, &dummy);
1433 if(nextGame <= appData.matchGames) {
1434 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1436 ScheduleDelayedEvent(NextMatchGame, 10000);
1441 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1442 DisplayError(buf, 0);
1443 appData.tourneyFile[0] = 0;
1447 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1448 DisplayFatalError(_("Can't have a match with no chess programs"),
1453 matchGame = roundNr = 1;
1454 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1459 InitBackEnd3 P((void))
1461 GameMode initialMode;
1465 InitChessProgram(&first, startedFromSetupPosition);
1467 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1468 free(programVersion);
1469 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1470 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1473 if (appData.icsActive) {
1475 /* [DM] Make a console window if needed [HGM] merged ifs */
1481 if (*appData.icsCommPort != NULLCHAR)
1482 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1483 appData.icsCommPort);
1485 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1486 appData.icsHost, appData.icsPort);
1488 if( (len >= MSG_SIZ) && appData.debugMode )
1489 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1491 DisplayFatalError(buf, err, 1);
1496 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1498 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1499 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1500 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1501 } else if (appData.noChessProgram) {
1507 if (*appData.cmailGameName != NULLCHAR) {
1509 OpenLoopback(&cmailPR);
1511 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1515 DisplayMessage("", "");
1516 if (StrCaseCmp(appData.initialMode, "") == 0) {
1517 initialMode = BeginningOfGame;
1518 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1519 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1520 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1521 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1524 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1525 initialMode = TwoMachinesPlay;
1526 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1527 initialMode = AnalyzeFile;
1528 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1529 initialMode = AnalyzeMode;
1530 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1531 initialMode = MachinePlaysWhite;
1532 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1533 initialMode = MachinePlaysBlack;
1534 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1535 initialMode = EditGame;
1536 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1537 initialMode = EditPosition;
1538 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1539 initialMode = Training;
1541 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1542 if( (len >= MSG_SIZ) && appData.debugMode )
1543 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1545 DisplayFatalError(buf, 0, 2);
1549 if (appData.matchMode) {
1550 if(appData.tourneyFile[0]) { // start tourney from command line
1552 if(f = fopen(appData.tourneyFile, "r")) {
1553 ParseArgsFromFile(f); // make sure tourney parmeters re known
1555 appData.clockMode = TRUE;
1557 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1560 } else if (*appData.cmailGameName != NULLCHAR) {
1561 /* Set up cmail mode */
1562 ReloadCmailMsgEvent(TRUE);
1564 /* Set up other modes */
1565 if (initialMode == AnalyzeFile) {
1566 if (*appData.loadGameFile == NULLCHAR) {
1567 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1571 if (*appData.loadGameFile != NULLCHAR) {
1572 (void) LoadGameFromFile(appData.loadGameFile,
1573 appData.loadGameIndex,
1574 appData.loadGameFile, TRUE);
1575 } else if (*appData.loadPositionFile != NULLCHAR) {
1576 (void) LoadPositionFromFile(appData.loadPositionFile,
1577 appData.loadPositionIndex,
1578 appData.loadPositionFile);
1579 /* [HGM] try to make self-starting even after FEN load */
1580 /* to allow automatic setup of fairy variants with wtm */
1581 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1582 gameMode = BeginningOfGame;
1583 setboardSpoiledMachineBlack = 1;
1585 /* [HGM] loadPos: make that every new game uses the setup */
1586 /* from file as long as we do not switch variant */
1587 if(!blackPlaysFirst) {
1588 startedFromPositionFile = TRUE;
1589 CopyBoard(filePosition, boards[0]);
1592 if (initialMode == AnalyzeMode) {
1593 if (appData.noChessProgram) {
1594 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1597 if (appData.icsActive) {
1598 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1602 } else if (initialMode == AnalyzeFile) {
1603 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1604 ShowThinkingEvent();
1606 AnalysisPeriodicEvent(1);
1607 } else if (initialMode == MachinePlaysWhite) {
1608 if (appData.noChessProgram) {
1609 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1613 if (appData.icsActive) {
1614 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1618 MachineWhiteEvent();
1619 } else if (initialMode == MachinePlaysBlack) {
1620 if (appData.noChessProgram) {
1621 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1625 if (appData.icsActive) {
1626 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1630 MachineBlackEvent();
1631 } else if (initialMode == TwoMachinesPlay) {
1632 if (appData.noChessProgram) {
1633 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1637 if (appData.icsActive) {
1638 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1643 } else if (initialMode == EditGame) {
1645 } else if (initialMode == EditPosition) {
1646 EditPositionEvent();
1647 } else if (initialMode == Training) {
1648 if (*appData.loadGameFile == NULLCHAR) {
1649 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1658 HistorySet( char movelist[][2*MOVE_LEN], int first, int last, int current )
1660 DisplayBook(current+1);
1662 MoveHistorySet( movelist, first, last, current, pvInfoList );
1664 EvalGraphSet( first, last, current, pvInfoList );
1666 MakeEngineOutputTitle();
1670 * Establish will establish a contact to a remote host.port.
1671 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1672 * used to talk to the host.
1673 * Returns 0 if okay, error code if not.
1680 if (*appData.icsCommPort != NULLCHAR) {
1681 /* Talk to the host through a serial comm port */
1682 return OpenCommPort(appData.icsCommPort, &icsPR);
1684 } else if (*appData.gateway != NULLCHAR) {
1685 if (*appData.remoteShell == NULLCHAR) {
1686 /* Use the rcmd protocol to run telnet program on a gateway host */
1687 snprintf(buf, sizeof(buf), "%s %s %s",
1688 appData.telnetProgram, appData.icsHost, appData.icsPort);
1689 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1692 /* Use the rsh program to run telnet program on a gateway host */
1693 if (*appData.remoteUser == NULLCHAR) {
1694 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1695 appData.gateway, appData.telnetProgram,
1696 appData.icsHost, appData.icsPort);
1698 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1699 appData.remoteShell, appData.gateway,
1700 appData.remoteUser, appData.telnetProgram,
1701 appData.icsHost, appData.icsPort);
1703 return StartChildProcess(buf, "", &icsPR);
1706 } else if (appData.useTelnet) {
1707 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1710 /* TCP socket interface differs somewhat between
1711 Unix and NT; handle details in the front end.
1713 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1717 void EscapeExpand(char *p, char *q)
1718 { // [HGM] initstring: routine to shape up string arguments
1719 while(*p++ = *q++) if(p[-1] == '\\')
1721 case 'n': p[-1] = '\n'; break;
1722 case 'r': p[-1] = '\r'; break;
1723 case 't': p[-1] = '\t'; break;
1724 case '\\': p[-1] = '\\'; break;
1725 case 0: *p = 0; return;
1726 default: p[-1] = q[-1]; break;
1731 show_bytes(fp, buf, count)
1737 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1738 fprintf(fp, "\\%03o", *buf & 0xff);
1747 /* Returns an errno value */
1749 OutputMaybeTelnet(pr, message, count, outError)
1755 char buf[8192], *p, *q, *buflim;
1756 int left, newcount, outcount;
1758 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1759 *appData.gateway != NULLCHAR) {
1760 if (appData.debugMode) {
1761 fprintf(debugFP, ">ICS: ");
1762 show_bytes(debugFP, message, count);
1763 fprintf(debugFP, "\n");
1765 return OutputToProcess(pr, message, count, outError);
1768 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1775 if (appData.debugMode) {
1776 fprintf(debugFP, ">ICS: ");
1777 show_bytes(debugFP, buf, newcount);
1778 fprintf(debugFP, "\n");
1780 outcount = OutputToProcess(pr, buf, newcount, outError);
1781 if (outcount < newcount) return -1; /* to be sure */
1788 } else if (((unsigned char) *p) == TN_IAC) {
1789 *q++ = (char) TN_IAC;
1796 if (appData.debugMode) {
1797 fprintf(debugFP, ">ICS: ");
1798 show_bytes(debugFP, buf, newcount);
1799 fprintf(debugFP, "\n");
1801 outcount = OutputToProcess(pr, buf, newcount, outError);
1802 if (outcount < newcount) return -1; /* to be sure */
1807 read_from_player(isr, closure, message, count, error)
1814 int outError, outCount;
1815 static int gotEof = 0;
1817 /* Pass data read from player on to ICS */
1820 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1821 if (outCount < count) {
1822 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1824 } else if (count < 0) {
1825 RemoveInputSource(isr);
1826 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1827 } else if (gotEof++ > 0) {
1828 RemoveInputSource(isr);
1829 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1835 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1836 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1837 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1838 SendToICS("date\n");
1839 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1842 /* added routine for printf style output to ics */
1843 void ics_printf(char *format, ...)
1845 char buffer[MSG_SIZ];
1848 va_start(args, format);
1849 vsnprintf(buffer, sizeof(buffer), format, args);
1850 buffer[sizeof(buffer)-1] = '\0';
1859 int count, outCount, outError;
1861 if (icsPR == NoProc) return;
1864 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1865 if (outCount < count) {
1866 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1870 /* This is used for sending logon scripts to the ICS. Sending
1871 without a delay causes problems when using timestamp on ICC
1872 (at least on my machine). */
1874 SendToICSDelayed(s,msdelay)
1878 int count, outCount, outError;
1880 if (icsPR == NoProc) return;
1883 if (appData.debugMode) {
1884 fprintf(debugFP, ">ICS: ");
1885 show_bytes(debugFP, s, count);
1886 fprintf(debugFP, "\n");
1888 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1890 if (outCount < count) {
1891 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1896 /* Remove all highlighting escape sequences in s
1897 Also deletes any suffix starting with '('
1900 StripHighlightAndTitle(s)
1903 static char retbuf[MSG_SIZ];
1906 while (*s != NULLCHAR) {
1907 while (*s == '\033') {
1908 while (*s != NULLCHAR && !isalpha(*s)) s++;
1909 if (*s != NULLCHAR) s++;
1911 while (*s != NULLCHAR && *s != '\033') {
1912 if (*s == '(' || *s == '[') {
1923 /* Remove all highlighting escape sequences in s */
1928 static char retbuf[MSG_SIZ];
1931 while (*s != NULLCHAR) {
1932 while (*s == '\033') {
1933 while (*s != NULLCHAR && !isalpha(*s)) s++;
1934 if (*s != NULLCHAR) s++;
1936 while (*s != NULLCHAR && *s != '\033') {
1944 char *variantNames[] = VARIANT_NAMES;
1949 return variantNames[v];
1953 /* Identify a variant from the strings the chess servers use or the
1954 PGN Variant tag names we use. */
1961 VariantClass v = VariantNormal;
1962 int i, found = FALSE;
1968 /* [HGM] skip over optional board-size prefixes */
1969 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1970 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1971 while( *e++ != '_');
1974 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1978 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1979 if (StrCaseStr(e, variantNames[i])) {
1980 v = (VariantClass) i;
1987 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1988 || StrCaseStr(e, "wild/fr")
1989 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1990 v = VariantFischeRandom;
1991 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1992 (i = 1, p = StrCaseStr(e, "w"))) {
1994 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2001 case 0: /* FICS only, actually */
2003 /* Castling legal even if K starts on d-file */
2004 v = VariantWildCastle;
2009 /* Castling illegal even if K & R happen to start in
2010 normal positions. */
2011 v = VariantNoCastle;
2024 /* Castling legal iff K & R start in normal positions */
2030 /* Special wilds for position setup; unclear what to do here */
2031 v = VariantLoadable;
2034 /* Bizarre ICC game */
2035 v = VariantTwoKings;
2038 v = VariantKriegspiel;
2044 v = VariantFischeRandom;
2047 v = VariantCrazyhouse;
2050 v = VariantBughouse;
2056 /* Not quite the same as FICS suicide! */
2057 v = VariantGiveaway;
2063 v = VariantShatranj;
2066 /* Temporary names for future ICC types. The name *will* change in
2067 the next xboard/WinBoard release after ICC defines it. */
2105 v = VariantCapablanca;
2108 v = VariantKnightmate;
2114 v = VariantCylinder;
2120 v = VariantCapaRandom;
2123 v = VariantBerolina;
2135 /* Found "wild" or "w" in the string but no number;
2136 must assume it's normal chess. */
2140 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2141 if( (len >= MSG_SIZ) && appData.debugMode )
2142 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2144 DisplayError(buf, 0);
2150 if (appData.debugMode) {
2151 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2152 e, wnum, VariantName(v));
2157 static int leftover_start = 0, leftover_len = 0;
2158 char star_match[STAR_MATCH_N][MSG_SIZ];
2160 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2161 advance *index beyond it, and set leftover_start to the new value of
2162 *index; else return FALSE. If pattern contains the character '*', it
2163 matches any sequence of characters not containing '\r', '\n', or the
2164 character following the '*' (if any), and the matched sequence(s) are
2165 copied into star_match.
2168 looking_at(buf, index, pattern)
2173 char *bufp = &buf[*index], *patternp = pattern;
2175 char *matchp = star_match[0];
2178 if (*patternp == NULLCHAR) {
2179 *index = leftover_start = bufp - buf;
2183 if (*bufp == NULLCHAR) return FALSE;
2184 if (*patternp == '*') {
2185 if (*bufp == *(patternp + 1)) {
2187 matchp = star_match[++star_count];
2191 } else if (*bufp == '\n' || *bufp == '\r') {
2193 if (*patternp == NULLCHAR)
2198 *matchp++ = *bufp++;
2202 if (*patternp != *bufp) return FALSE;
2209 SendToPlayer(data, length)
2213 int error, outCount;
2214 outCount = OutputToProcess(NoProc, data, length, &error);
2215 if (outCount < length) {
2216 DisplayFatalError(_("Error writing to display"), error, 1);
2221 PackHolding(packed, holding)
2233 switch (runlength) {
2244 sprintf(q, "%d", runlength);
2256 /* Telnet protocol requests from the front end */
2258 TelnetRequest(ddww, option)
2259 unsigned char ddww, option;
2261 unsigned char msg[3];
2262 int outCount, outError;
2264 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2266 if (appData.debugMode) {
2267 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2283 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2292 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2295 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2300 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2302 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2309 if (!appData.icsActive) return;
2310 TelnetRequest(TN_DO, TN_ECHO);
2316 if (!appData.icsActive) return;
2317 TelnetRequest(TN_DONT, TN_ECHO);
2321 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2323 /* put the holdings sent to us by the server on the board holdings area */
2324 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2328 if(gameInfo.holdingsWidth < 2) return;
2329 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2330 return; // prevent overwriting by pre-board holdings
2332 if( (int)lowestPiece >= BlackPawn ) {
2335 holdingsStartRow = BOARD_HEIGHT-1;
2338 holdingsColumn = BOARD_WIDTH-1;
2339 countsColumn = BOARD_WIDTH-2;
2340 holdingsStartRow = 0;
2344 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2345 board[i][holdingsColumn] = EmptySquare;
2346 board[i][countsColumn] = (ChessSquare) 0;
2348 while( (p=*holdings++) != NULLCHAR ) {
2349 piece = CharToPiece( ToUpper(p) );
2350 if(piece == EmptySquare) continue;
2351 /*j = (int) piece - (int) WhitePawn;*/
2352 j = PieceToNumber(piece);
2353 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2354 if(j < 0) continue; /* should not happen */
2355 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2356 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2357 board[holdingsStartRow+j*direction][countsColumn]++;
2363 VariantSwitch(Board board, VariantClass newVariant)
2365 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2366 static Board oldBoard;
2368 startedFromPositionFile = FALSE;
2369 if(gameInfo.variant == newVariant) return;
2371 /* [HGM] This routine is called each time an assignment is made to
2372 * gameInfo.variant during a game, to make sure the board sizes
2373 * are set to match the new variant. If that means adding or deleting
2374 * holdings, we shift the playing board accordingly
2375 * This kludge is needed because in ICS observe mode, we get boards
2376 * of an ongoing game without knowing the variant, and learn about the
2377 * latter only later. This can be because of the move list we requested,
2378 * in which case the game history is refilled from the beginning anyway,
2379 * but also when receiving holdings of a crazyhouse game. In the latter
2380 * case we want to add those holdings to the already received position.
2384 if (appData.debugMode) {
2385 fprintf(debugFP, "Switch board from %s to %s\n",
2386 VariantName(gameInfo.variant), VariantName(newVariant));
2387 setbuf(debugFP, NULL);
2389 shuffleOpenings = 0; /* [HGM] shuffle */
2390 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2394 newWidth = 9; newHeight = 9;
2395 gameInfo.holdingsSize = 7;
2396 case VariantBughouse:
2397 case VariantCrazyhouse:
2398 newHoldingsWidth = 2; break;
2402 newHoldingsWidth = 2;
2403 gameInfo.holdingsSize = 8;
2406 case VariantCapablanca:
2407 case VariantCapaRandom:
2410 newHoldingsWidth = gameInfo.holdingsSize = 0;
2413 if(newWidth != gameInfo.boardWidth ||
2414 newHeight != gameInfo.boardHeight ||
2415 newHoldingsWidth != gameInfo.holdingsWidth ) {
2417 /* shift position to new playing area, if needed */
2418 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2419 for(i=0; i<BOARD_HEIGHT; i++)
2420 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2421 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2423 for(i=0; i<newHeight; i++) {
2424 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2425 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2427 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2428 for(i=0; i<BOARD_HEIGHT; i++)
2429 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2430 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2433 gameInfo.boardWidth = newWidth;
2434 gameInfo.boardHeight = newHeight;
2435 gameInfo.holdingsWidth = newHoldingsWidth;
2436 gameInfo.variant = newVariant;
2437 InitDrawingSizes(-2, 0);
2438 } else gameInfo.variant = newVariant;
2439 CopyBoard(oldBoard, board); // remember correctly formatted board
2440 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2441 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2444 static int loggedOn = FALSE;
2446 /*-- Game start info cache: --*/
2448 char gs_kind[MSG_SIZ];
2449 static char player1Name[128] = "";
2450 static char player2Name[128] = "";
2451 static char cont_seq[] = "\n\\ ";
2452 static int player1Rating = -1;
2453 static int player2Rating = -1;
2454 /*----------------------------*/
2456 ColorClass curColor = ColorNormal;
2457 int suppressKibitz = 0;
2460 Boolean soughtPending = FALSE;
2461 Boolean seekGraphUp;
2462 #define MAX_SEEK_ADS 200
2464 char *seekAdList[MAX_SEEK_ADS];
2465 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2466 float tcList[MAX_SEEK_ADS];
2467 char colorList[MAX_SEEK_ADS];
2468 int nrOfSeekAds = 0;
2469 int minRating = 1010, maxRating = 2800;
2470 int hMargin = 10, vMargin = 20, h, w;
2471 extern int squareSize, lineGap;
2476 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2477 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2478 if(r < minRating+100 && r >=0 ) r = minRating+100;
2479 if(r > maxRating) r = maxRating;
2480 if(tc < 1.) tc = 1.;
2481 if(tc > 95.) tc = 95.;
2482 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2483 y = ((double)r - minRating)/(maxRating - minRating)
2484 * (h-vMargin-squareSize/8-1) + vMargin;
2485 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2486 if(strstr(seekAdList[i], " u ")) color = 1;
2487 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2488 !strstr(seekAdList[i], "bullet") &&
2489 !strstr(seekAdList[i], "blitz") &&
2490 !strstr(seekAdList[i], "standard") ) color = 2;
2491 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2492 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2496 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2498 char buf[MSG_SIZ], *ext = "";
2499 VariantClass v = StringToVariant(type);
2500 if(strstr(type, "wild")) {
2501 ext = type + 4; // append wild number
2502 if(v == VariantFischeRandom) type = "chess960"; else
2503 if(v == VariantLoadable) type = "setup"; else
2504 type = VariantName(v);
2506 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2507 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2508 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2509 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2510 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2511 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2512 seekNrList[nrOfSeekAds] = nr;
2513 zList[nrOfSeekAds] = 0;
2514 seekAdList[nrOfSeekAds++] = StrSave(buf);
2515 if(plot) PlotSeekAd(nrOfSeekAds-1);
2522 int x = xList[i], y = yList[i], d=squareSize/4, k;
2523 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2524 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2525 // now replot every dot that overlapped
2526 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2527 int xx = xList[k], yy = yList[k];
2528 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2529 DrawSeekDot(xx, yy, colorList[k]);
2534 RemoveSeekAd(int nr)
2537 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2539 if(seekAdList[i]) free(seekAdList[i]);
2540 seekAdList[i] = seekAdList[--nrOfSeekAds];
2541 seekNrList[i] = seekNrList[nrOfSeekAds];
2542 ratingList[i] = ratingList[nrOfSeekAds];
2543 colorList[i] = colorList[nrOfSeekAds];
2544 tcList[i] = tcList[nrOfSeekAds];
2545 xList[i] = xList[nrOfSeekAds];
2546 yList[i] = yList[nrOfSeekAds];
2547 zList[i] = zList[nrOfSeekAds];
2548 seekAdList[nrOfSeekAds] = NULL;
2554 MatchSoughtLine(char *line)
2556 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2557 int nr, base, inc, u=0; char dummy;
2559 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2560 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2562 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2563 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2564 // match: compact and save the line
2565 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2575 if(!seekGraphUp) return FALSE;
2576 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2577 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2579 DrawSeekBackground(0, 0, w, h);
2580 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2581 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2582 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2583 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2585 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2588 snprintf(buf, MSG_SIZ, "%d", i);
2589 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2592 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2593 for(i=1; i<100; i+=(i<10?1:5)) {
2594 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2595 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2596 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2598 snprintf(buf, MSG_SIZ, "%d", i);
2599 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2602 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2606 int SeekGraphClick(ClickType click, int x, int y, int moving)
2608 static int lastDown = 0, displayed = 0, lastSecond;
2609 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2610 if(click == Release || moving) return FALSE;
2612 soughtPending = TRUE;
2613 SendToICS(ics_prefix);
2614 SendToICS("sought\n"); // should this be "sought all"?
2615 } else { // issue challenge based on clicked ad
2616 int dist = 10000; int i, closest = 0, second = 0;
2617 for(i=0; i<nrOfSeekAds; i++) {
2618 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2619 if(d < dist) { dist = d; closest = i; }
2620 second += (d - zList[i] < 120); // count in-range ads
2621 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2625 second = (second > 1);
2626 if(displayed != closest || second != lastSecond) {
2627 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2628 lastSecond = second; displayed = closest;
2630 if(click == Press) {
2631 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2634 } // on press 'hit', only show info
2635 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2636 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2637 SendToICS(ics_prefix);
2639 return TRUE; // let incoming board of started game pop down the graph
2640 } else if(click == Release) { // release 'miss' is ignored
2641 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2642 if(moving == 2) { // right up-click
2643 nrOfSeekAds = 0; // refresh graph
2644 soughtPending = TRUE;
2645 SendToICS(ics_prefix);
2646 SendToICS("sought\n"); // should this be "sought all"?
2649 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2650 // press miss or release hit 'pop down' seek graph
2651 seekGraphUp = FALSE;
2652 DrawPosition(TRUE, NULL);
2658 read_from_ics(isr, closure, data, count, error)
2665 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2666 #define STARTED_NONE 0
2667 #define STARTED_MOVES 1
2668 #define STARTED_BOARD 2
2669 #define STARTED_OBSERVE 3
2670 #define STARTED_HOLDINGS 4
2671 #define STARTED_CHATTER 5
2672 #define STARTED_COMMENT 6
2673 #define STARTED_MOVES_NOHIDE 7
2675 static int started = STARTED_NONE;
2676 static char parse[20000];
2677 static int parse_pos = 0;
2678 static char buf[BUF_SIZE + 1];
2679 static int firstTime = TRUE, intfSet = FALSE;
2680 static ColorClass prevColor = ColorNormal;
2681 static int savingComment = FALSE;
2682 static int cmatch = 0; // continuation sequence match
2689 int backup; /* [DM] For zippy color lines */
2691 char talker[MSG_SIZ]; // [HGM] chat
2694 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2696 if (appData.debugMode) {
2698 fprintf(debugFP, "<ICS: ");
2699 show_bytes(debugFP, data, count);
2700 fprintf(debugFP, "\n");
2704 if (appData.debugMode) { int f = forwardMostMove;
2705 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2706 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2707 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2710 /* If last read ended with a partial line that we couldn't parse,
2711 prepend it to the new read and try again. */
2712 if (leftover_len > 0) {
2713 for (i=0; i<leftover_len; i++)
2714 buf[i] = buf[leftover_start + i];
2717 /* copy new characters into the buffer */
2718 bp = buf + leftover_len;
2719 buf_len=leftover_len;
2720 for (i=0; i<count; i++)
2723 if (data[i] == '\r')
2726 // join lines split by ICS?
2727 if (!appData.noJoin)
2730 Joining just consists of finding matches against the
2731 continuation sequence, and discarding that sequence
2732 if found instead of copying it. So, until a match
2733 fails, there's nothing to do since it might be the
2734 complete sequence, and thus, something we don't want
2737 if (data[i] == cont_seq[cmatch])
2740 if (cmatch == strlen(cont_seq))
2742 cmatch = 0; // complete match. just reset the counter
2745 it's possible for the ICS to not include the space
2746 at the end of the last word, making our [correct]
2747 join operation fuse two separate words. the server
2748 does this when the space occurs at the width setting.
2750 if (!buf_len || buf[buf_len-1] != ' ')
2761 match failed, so we have to copy what matched before
2762 falling through and copying this character. In reality,
2763 this will only ever be just the newline character, but
2764 it doesn't hurt to be precise.
2766 strncpy(bp, cont_seq, cmatch);
2778 buf[buf_len] = NULLCHAR;
2779 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2784 while (i < buf_len) {
2785 /* Deal with part of the TELNET option negotiation
2786 protocol. We refuse to do anything beyond the
2787 defaults, except that we allow the WILL ECHO option,
2788 which ICS uses to turn off password echoing when we are
2789 directly connected to it. We reject this option
2790 if localLineEditing mode is on (always on in xboard)
2791 and we are talking to port 23, which might be a real
2792 telnet server that will try to keep WILL ECHO on permanently.
2794 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2795 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2796 unsigned char option;
2798 switch ((unsigned char) buf[++i]) {
2800 if (appData.debugMode)
2801 fprintf(debugFP, "\n<WILL ");
2802 switch (option = (unsigned char) buf[++i]) {
2804 if (appData.debugMode)
2805 fprintf(debugFP, "ECHO ");
2806 /* Reply only if this is a change, according
2807 to the protocol rules. */
2808 if (remoteEchoOption) break;
2809 if (appData.localLineEditing &&
2810 atoi(appData.icsPort) == TN_PORT) {
2811 TelnetRequest(TN_DONT, TN_ECHO);
2814 TelnetRequest(TN_DO, TN_ECHO);
2815 remoteEchoOption = TRUE;
2819 if (appData.debugMode)
2820 fprintf(debugFP, "%d ", option);
2821 /* Whatever this is, we don't want it. */
2822 TelnetRequest(TN_DONT, option);
2827 if (appData.debugMode)
2828 fprintf(debugFP, "\n<WONT ");
2829 switch (option = (unsigned char) buf[++i]) {
2831 if (appData.debugMode)
2832 fprintf(debugFP, "ECHO ");
2833 /* Reply only if this is a change, according
2834 to the protocol rules. */
2835 if (!remoteEchoOption) break;
2837 TelnetRequest(TN_DONT, TN_ECHO);
2838 remoteEchoOption = FALSE;
2841 if (appData.debugMode)
2842 fprintf(debugFP, "%d ", (unsigned char) option);
2843 /* Whatever this is, it must already be turned
2844 off, because we never agree to turn on
2845 anything non-default, so according to the
2846 protocol rules, we don't reply. */
2851 if (appData.debugMode)
2852 fprintf(debugFP, "\n<DO ");
2853 switch (option = (unsigned char) buf[++i]) {
2855 /* Whatever this is, we refuse to do it. */
2856 if (appData.debugMode)
2857 fprintf(debugFP, "%d ", option);
2858 TelnetRequest(TN_WONT, option);
2863 if (appData.debugMode)
2864 fprintf(debugFP, "\n<DONT ");
2865 switch (option = (unsigned char) buf[++i]) {
2867 if (appData.debugMode)
2868 fprintf(debugFP, "%d ", option);
2869 /* Whatever this is, we are already not doing
2870 it, because we never agree to do anything
2871 non-default, so according to the protocol
2872 rules, we don't reply. */
2877 if (appData.debugMode)
2878 fprintf(debugFP, "\n<IAC ");
2879 /* Doubled IAC; pass it through */
2883 if (appData.debugMode)
2884 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2885 /* Drop all other telnet commands on the floor */
2888 if (oldi > next_out)
2889 SendToPlayer(&buf[next_out], oldi - next_out);
2895 /* OK, this at least will *usually* work */
2896 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2900 if (loggedOn && !intfSet) {
2901 if (ics_type == ICS_ICC) {
2902 snprintf(str, MSG_SIZ,
2903 "/set-quietly interface %s\n/set-quietly style 12\n",
2905 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2906 strcat(str, "/set-2 51 1\n/set seek 1\n");
2907 } else if (ics_type == ICS_CHESSNET) {
2908 snprintf(str, MSG_SIZ, "/style 12\n");
2910 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2911 strcat(str, programVersion);
2912 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2913 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2914 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2916 strcat(str, "$iset nohighlight 1\n");
2918 strcat(str, "$iset lock 1\n$style 12\n");
2921 NotifyFrontendLogin();
2925 if (started == STARTED_COMMENT) {
2926 /* Accumulate characters in comment */
2927 parse[parse_pos++] = buf[i];
2928 if (buf[i] == '\n') {
2929 parse[parse_pos] = NULLCHAR;
2930 if(chattingPartner>=0) {
2932 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2933 OutputChatMessage(chattingPartner, mess);
2934 chattingPartner = -1;
2935 next_out = i+1; // [HGM] suppress printing in ICS window
2937 if(!suppressKibitz) // [HGM] kibitz
2938 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2939 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2940 int nrDigit = 0, nrAlph = 0, j;
2941 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2942 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2943 parse[parse_pos] = NULLCHAR;
2944 // try to be smart: if it does not look like search info, it should go to
2945 // ICS interaction window after all, not to engine-output window.
2946 for(j=0; j<parse_pos; j++) { // count letters and digits
2947 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2948 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2949 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2951 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2952 int depth=0; float score;
2953 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2954 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2955 pvInfoList[forwardMostMove-1].depth = depth;
2956 pvInfoList[forwardMostMove-1].score = 100*score;
2958 OutputKibitz(suppressKibitz, parse);
2961 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2962 SendToPlayer(tmp, strlen(tmp));
2964 next_out = i+1; // [HGM] suppress printing in ICS window
2966 started = STARTED_NONE;
2968 /* Don't match patterns against characters in comment */
2973 if (started == STARTED_CHATTER) {
2974 if (buf[i] != '\n') {
2975 /* Don't match patterns against characters in chatter */
2979 started = STARTED_NONE;
2980 if(suppressKibitz) next_out = i+1;
2983 /* Kludge to deal with rcmd protocol */
2984 if (firstTime && looking_at(buf, &i, "\001*")) {
2985 DisplayFatalError(&buf[1], 0, 1);
2991 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2994 if (appData.debugMode)
2995 fprintf(debugFP, "ics_type %d\n", ics_type);
2998 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2999 ics_type = ICS_FICS;
3001 if (appData.debugMode)
3002 fprintf(debugFP, "ics_type %d\n", ics_type);
3005 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3006 ics_type = ICS_CHESSNET;
3008 if (appData.debugMode)
3009 fprintf(debugFP, "ics_type %d\n", ics_type);
3014 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3015 looking_at(buf, &i, "Logging you in as \"*\"") ||
3016 looking_at(buf, &i, "will be \"*\""))) {
3017 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3021 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3023 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3024 DisplayIcsInteractionTitle(buf);
3025 have_set_title = TRUE;
3028 /* skip finger notes */
3029 if (started == STARTED_NONE &&
3030 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3031 (buf[i] == '1' && buf[i+1] == '0')) &&
3032 buf[i+2] == ':' && buf[i+3] == ' ') {
3033 started = STARTED_CHATTER;
3039 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3040 if(appData.seekGraph) {
3041 if(soughtPending && MatchSoughtLine(buf+i)) {
3042 i = strstr(buf+i, "rated") - buf;
3043 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3044 next_out = leftover_start = i;
3045 started = STARTED_CHATTER;
3046 suppressKibitz = TRUE;
3049 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3050 && looking_at(buf, &i, "* ads displayed")) {
3051 soughtPending = FALSE;
3056 if(appData.autoRefresh) {
3057 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3058 int s = (ics_type == ICS_ICC); // ICC format differs
3060 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3061 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3062 looking_at(buf, &i, "*% "); // eat prompt
3063 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3064 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3065 next_out = i; // suppress
3068 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3069 char *p = star_match[0];
3071 if(seekGraphUp) RemoveSeekAd(atoi(p));
3072 while(*p && *p++ != ' '); // next
3074 looking_at(buf, &i, "*% "); // eat prompt
3075 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3082 /* skip formula vars */
3083 if (started == STARTED_NONE &&
3084 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3085 started = STARTED_CHATTER;
3090 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3091 if (appData.autoKibitz && started == STARTED_NONE &&
3092 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3093 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3094 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3095 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3096 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3097 suppressKibitz = TRUE;
3098 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3100 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3101 && (gameMode == IcsPlayingWhite)) ||
3102 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3103 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3104 started = STARTED_CHATTER; // own kibitz we simply discard
3106 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3107 parse_pos = 0; parse[0] = NULLCHAR;
3108 savingComment = TRUE;
3109 suppressKibitz = gameMode != IcsObserving ? 2 :
3110 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3114 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3115 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3116 && atoi(star_match[0])) {
3117 // suppress the acknowledgements of our own autoKibitz
3119 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3120 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3121 SendToPlayer(star_match[0], strlen(star_match[0]));
3122 if(looking_at(buf, &i, "*% ")) // eat prompt
3123 suppressKibitz = FALSE;
3127 } // [HGM] kibitz: end of patch
3129 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3131 // [HGM] chat: intercept tells by users for which we have an open chat window
3133 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3134 looking_at(buf, &i, "* whispers:") ||
3135 looking_at(buf, &i, "* kibitzes:") ||
3136 looking_at(buf, &i, "* shouts:") ||
3137 looking_at(buf, &i, "* c-shouts:") ||
3138 looking_at(buf, &i, "--> * ") ||
3139 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3140 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3141 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3142 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3144 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3145 chattingPartner = -1;
3147 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3148 for(p=0; p<MAX_CHAT; p++) {
3149 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3150 talker[0] = '['; strcat(talker, "] ");
3151 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3152 chattingPartner = p; break;
3155 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3156 for(p=0; p<MAX_CHAT; p++) {
3157 if(!strcmp("kibitzes", chatPartner[p])) {
3158 talker[0] = '['; strcat(talker, "] ");
3159 chattingPartner = p; break;
3162 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3163 for(p=0; p<MAX_CHAT; p++) {
3164 if(!strcmp("whispers", chatPartner[p])) {
3165 talker[0] = '['; strcat(talker, "] ");
3166 chattingPartner = p; break;
3169 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3170 if(buf[i-8] == '-' && buf[i-3] == 't')
3171 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3172 if(!strcmp("c-shouts", chatPartner[p])) {
3173 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3174 chattingPartner = p; break;
3177 if(chattingPartner < 0)
3178 for(p=0; p<MAX_CHAT; p++) {
3179 if(!strcmp("shouts", chatPartner[p])) {
3180 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3181 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3182 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3183 chattingPartner = p; break;
3187 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3188 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3189 talker[0] = 0; Colorize(ColorTell, FALSE);
3190 chattingPartner = p; break;
3192 if(chattingPartner<0) i = oldi; else {
3193 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3194 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3195 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3196 started = STARTED_COMMENT;
3197 parse_pos = 0; parse[0] = NULLCHAR;
3198 savingComment = 3 + chattingPartner; // counts as TRUE
3199 suppressKibitz = TRUE;
3202 } // [HGM] chat: end of patch
3205 if (appData.zippyTalk || appData.zippyPlay) {
3206 /* [DM] Backup address for color zippy lines */
3208 if (loggedOn == TRUE)
3209 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3210 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3212 } // [DM] 'else { ' deleted
3214 /* Regular tells and says */
3215 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3216 looking_at(buf, &i, "* (your partner) tells you: ") ||
3217 looking_at(buf, &i, "* says: ") ||
3218 /* Don't color "message" or "messages" output */
3219 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3220 looking_at(buf, &i, "*. * at *:*: ") ||
3221 looking_at(buf, &i, "--* (*:*): ") ||
3222 /* Message notifications (same color as tells) */
3223 looking_at(buf, &i, "* has left a message ") ||
3224 looking_at(buf, &i, "* just sent you a message:\n") ||
3225 /* Whispers and kibitzes */
3226 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3227 looking_at(buf, &i, "* kibitzes: ") ||
3229 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3231 if (tkind == 1 && strchr(star_match[0], ':')) {
3232 /* Avoid "tells you:" spoofs in channels */
3235 if (star_match[0][0] == NULLCHAR ||
3236 strchr(star_match[0], ' ') ||
3237 (tkind == 3 && strchr(star_match[1], ' '))) {
3238 /* Reject bogus matches */
3241 if (appData.colorize) {
3242 if (oldi > next_out) {
3243 SendToPlayer(&buf[next_out], oldi - next_out);
3248 Colorize(ColorTell, FALSE);
3249 curColor = ColorTell;
3252 Colorize(ColorKibitz, FALSE);
3253 curColor = ColorKibitz;
3256 p = strrchr(star_match[1], '(');
3263 Colorize(ColorChannel1, FALSE);
3264 curColor = ColorChannel1;
3266 Colorize(ColorChannel, FALSE);
3267 curColor = ColorChannel;
3271 curColor = ColorNormal;
3275 if (started == STARTED_NONE && appData.autoComment &&
3276 (gameMode == IcsObserving ||
3277 gameMode == IcsPlayingWhite ||
3278 gameMode == IcsPlayingBlack)) {
3279 parse_pos = i - oldi;
3280 memcpy(parse, &buf[oldi], parse_pos);
3281 parse[parse_pos] = NULLCHAR;
3282 started = STARTED_COMMENT;
3283 savingComment = TRUE;
3285 started = STARTED_CHATTER;
3286 savingComment = FALSE;
3293 if (looking_at(buf, &i, "* s-shouts: ") ||
3294 looking_at(buf, &i, "* c-shouts: ")) {
3295 if (appData.colorize) {
3296 if (oldi > next_out) {
3297 SendToPlayer(&buf[next_out], oldi - next_out);
3300 Colorize(ColorSShout, FALSE);
3301 curColor = ColorSShout;
3304 started = STARTED_CHATTER;
3308 if (looking_at(buf, &i, "--->")) {
3313 if (looking_at(buf, &i, "* shouts: ") ||
3314 looking_at(buf, &i, "--> ")) {
3315 if (appData.colorize) {
3316 if (oldi > next_out) {
3317 SendToPlayer(&buf[next_out], oldi - next_out);
3320 Colorize(ColorShout, FALSE);
3321 curColor = ColorShout;
3324 started = STARTED_CHATTER;
3328 if (looking_at( buf, &i, "Challenge:")) {
3329 if (appData.colorize) {
3330 if (oldi > next_out) {
3331 SendToPlayer(&buf[next_out], oldi - next_out);
3334 Colorize(ColorChallenge, FALSE);
3335 curColor = ColorChallenge;
3341 if (looking_at(buf, &i, "* offers you") ||
3342 looking_at(buf, &i, "* offers to be") ||
3343 looking_at(buf, &i, "* would like to") ||
3344 looking_at(buf, &i, "* requests to") ||
3345 looking_at(buf, &i, "Your opponent offers") ||
3346 looking_at(buf, &i, "Your opponent requests")) {
3348 if (appData.colorize) {
3349 if (oldi > next_out) {
3350 SendToPlayer(&buf[next_out], oldi - next_out);
3353 Colorize(ColorRequest, FALSE);
3354 curColor = ColorRequest;
3359 if (looking_at(buf, &i, "* (*) seeking")) {
3360 if (appData.colorize) {
3361 if (oldi > next_out) {
3362 SendToPlayer(&buf[next_out], oldi - next_out);
3365 Colorize(ColorSeek, FALSE);
3366 curColor = ColorSeek;
3371 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3373 if (looking_at(buf, &i, "\\ ")) {
3374 if (prevColor != ColorNormal) {
3375 if (oldi > next_out) {
3376 SendToPlayer(&buf[next_out], oldi - next_out);
3379 Colorize(prevColor, TRUE);
3380 curColor = prevColor;
3382 if (savingComment) {
3383 parse_pos = i - oldi;
3384 memcpy(parse, &buf[oldi], parse_pos);
3385 parse[parse_pos] = NULLCHAR;
3386 started = STARTED_COMMENT;
3387 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3388 chattingPartner = savingComment - 3; // kludge to remember the box
3390 started = STARTED_CHATTER;
3395 if (looking_at(buf, &i, "Black Strength :") ||
3396 looking_at(buf, &i, "<<< style 10 board >>>") ||
3397 looking_at(buf, &i, "<10>") ||
3398 looking_at(buf, &i, "#@#")) {
3399 /* Wrong board style */
3401 SendToICS(ics_prefix);
3402 SendToICS("set style 12\n");
3403 SendToICS(ics_prefix);
3404 SendToICS("refresh\n");
3408 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3410 have_sent_ICS_logon = 1;
3414 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3415 (looking_at(buf, &i, "\n<12> ") ||
3416 looking_at(buf, &i, "<12> "))) {
3418 if (oldi > next_out) {
3419 SendToPlayer(&buf[next_out], oldi - next_out);
3422 started = STARTED_BOARD;
3427 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3428 looking_at(buf, &i, "<b1> ")) {
3429 if (oldi > next_out) {
3430 SendToPlayer(&buf[next_out], oldi - next_out);
3433 started = STARTED_HOLDINGS;
3438 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3440 /* Header for a move list -- first line */
3442 switch (ics_getting_history) {
3446 case BeginningOfGame:
3447 /* User typed "moves" or "oldmoves" while we
3448 were idle. Pretend we asked for these
3449 moves and soak them up so user can step
3450 through them and/or save them.
3453 gameMode = IcsObserving;
3456 ics_getting_history = H_GOT_UNREQ_HEADER;
3458 case EditGame: /*?*/
3459 case EditPosition: /*?*/
3460 /* Should above feature work in these modes too? */
3461 /* For now it doesn't */
3462 ics_getting_history = H_GOT_UNWANTED_HEADER;
3465 ics_getting_history = H_GOT_UNWANTED_HEADER;
3470 /* Is this the right one? */
3471 if (gameInfo.white && gameInfo.black &&
3472 strcmp(gameInfo.white, star_match[0]) == 0 &&
3473 strcmp(gameInfo.black, star_match[2]) == 0) {
3475 ics_getting_history = H_GOT_REQ_HEADER;
3478 case H_GOT_REQ_HEADER:
3479 case H_GOT_UNREQ_HEADER:
3480 case H_GOT_UNWANTED_HEADER:
3481 case H_GETTING_MOVES:
3482 /* Should not happen */
3483 DisplayError(_("Error gathering move list: two headers"), 0);
3484 ics_getting_history = H_FALSE;
3488 /* Save player ratings into gameInfo if needed */
3489 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3490 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3491 (gameInfo.whiteRating == -1 ||
3492 gameInfo.blackRating == -1)) {
3494 gameInfo.whiteRating = string_to_rating(star_match[1]);
3495 gameInfo.blackRating = string_to_rating(star_match[3]);
3496 if (appData.debugMode)
3497 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3498 gameInfo.whiteRating, gameInfo.blackRating);
3503 if (looking_at(buf, &i,
3504 "* * match, initial time: * minute*, increment: * second")) {
3505 /* Header for a move list -- second line */
3506 /* Initial board will follow if this is a wild game */
3507 if (gameInfo.event != NULL) free(gameInfo.event);
3508 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3509 gameInfo.event = StrSave(str);
3510 /* [HGM] we switched variant. Translate boards if needed. */
3511 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3515 if (looking_at(buf, &i, "Move ")) {
3516 /* Beginning of a move list */
3517 switch (ics_getting_history) {
3519 /* Normally should not happen */
3520 /* Maybe user hit reset while we were parsing */
3523 /* Happens if we are ignoring a move list that is not
3524 * the one we just requested. Common if the user
3525 * tries to observe two games without turning off
3528 case H_GETTING_MOVES:
3529 /* Should not happen */
3530 DisplayError(_("Error gathering move list: nested"), 0);
3531 ics_getting_history = H_FALSE;
3533 case H_GOT_REQ_HEADER:
3534 ics_getting_history = H_GETTING_MOVES;
3535 started = STARTED_MOVES;
3537 if (oldi > next_out) {
3538 SendToPlayer(&buf[next_out], oldi - next_out);
3541 case H_GOT_UNREQ_HEADER:
3542 ics_getting_history = H_GETTING_MOVES;
3543 started = STARTED_MOVES_NOHIDE;
3546 case H_GOT_UNWANTED_HEADER:
3547 ics_getting_history = H_FALSE;
3553 if (looking_at(buf, &i, "% ") ||
3554 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3555 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3556 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3557 soughtPending = FALSE;
3561 if(suppressKibitz) next_out = i;
3562 savingComment = FALSE;
3566 case STARTED_MOVES_NOHIDE:
3567 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3568 parse[parse_pos + i - oldi] = NULLCHAR;
3569 ParseGameHistory(parse);
3571 if (appData.zippyPlay && first.initDone) {
3572 FeedMovesToProgram(&first, forwardMostMove);
3573 if (gameMode == IcsPlayingWhite) {
3574 if (WhiteOnMove(forwardMostMove)) {
3575 if (first.sendTime) {
3576 if (first.useColors) {
3577 SendToProgram("black\n", &first);
3579 SendTimeRemaining(&first, TRUE);
3581 if (first.useColors) {
3582 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3584 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3585 first.maybeThinking = TRUE;
3587 if (first.usePlayother) {
3588 if (first.sendTime) {
3589 SendTimeRemaining(&first, TRUE);
3591 SendToProgram("playother\n", &first);
3597 } else if (gameMode == IcsPlayingBlack) {
3598 if (!WhiteOnMove(forwardMostMove)) {
3599 if (first.sendTime) {
3600 if (first.useColors) {
3601 SendToProgram("white\n", &first);
3603 SendTimeRemaining(&first, FALSE);
3605 if (first.useColors) {
3606 SendToProgram("black\n", &first);
3608 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3609 first.maybeThinking = TRUE;
3611 if (first.usePlayother) {
3612 if (first.sendTime) {
3613 SendTimeRemaining(&first, FALSE);
3615 SendToProgram("playother\n", &first);
3624 if (gameMode == IcsObserving && ics_gamenum == -1) {
3625 /* Moves came from oldmoves or moves command
3626 while we weren't doing anything else.
3628 currentMove = forwardMostMove;
3629 ClearHighlights();/*!!could figure this out*/
3630 flipView = appData.flipView;
3631 DrawPosition(TRUE, boards[currentMove]);
3632 DisplayBothClocks();
3633 snprintf(str, MSG_SIZ, _("%s vs. %s"),
3634 gameInfo.white, gameInfo.black);
3638 /* Moves were history of an active game */
3639 if (gameInfo.resultDetails != NULL) {
3640 free(gameInfo.resultDetails);
3641 gameInfo.resultDetails = NULL;
3644 HistorySet(parseList, backwardMostMove,
3645 forwardMostMove, currentMove-1);
3646 DisplayMove(currentMove - 1);
3647 if (started == STARTED_MOVES) next_out = i;
3648 started = STARTED_NONE;
3649 ics_getting_history = H_FALSE;
3652 case STARTED_OBSERVE:
3653 started = STARTED_NONE;
3654 SendToICS(ics_prefix);
3655 SendToICS("refresh\n");
3661 if(bookHit) { // [HGM] book: simulate book reply
3662 static char bookMove[MSG_SIZ]; // a bit generous?
3664 programStats.nodes = programStats.depth = programStats.time =
3665 programStats.score = programStats.got_only_move = 0;
3666 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3668 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3669 strcat(bookMove, bookHit);
3670 HandleMachineMove(bookMove, &first);
3675 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3676 started == STARTED_HOLDINGS ||
3677 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3678 /* Accumulate characters in move list or board */
3679 parse[parse_pos++] = buf[i];
3682 /* Start of game messages. Mostly we detect start of game
3683 when the first board image arrives. On some versions
3684 of the ICS, though, we need to do a "refresh" after starting
3685 to observe in order to get the current board right away. */
3686 if (looking_at(buf, &i, "Adding game * to observation list")) {
3687 started = STARTED_OBSERVE;
3691 /* Handle auto-observe */
3692 if (appData.autoObserve &&
3693 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3694 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3696 /* Choose the player that was highlighted, if any. */
3697 if (star_match[0][0] == '\033' ||
3698 star_match[1][0] != '\033') {
3699 player = star_match[0];
3701 player = star_match[2];
3703 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3704 ics_prefix, StripHighlightAndTitle(player));
3707 /* Save ratings from notify string */
3708 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3709 player1Rating = string_to_rating(star_match[1]);
3710 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3711 player2Rating = string_to_rating(star_match[3]);
3713 if (appData.debugMode)
3715 "Ratings from 'Game notification:' %s %d, %s %d\n",
3716 player1Name, player1Rating,
3717 player2Name, player2Rating);
3722 /* Deal with automatic examine mode after a game,
3723 and with IcsObserving -> IcsExamining transition */
3724 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3725 looking_at(buf, &i, "has made you an examiner of game *")) {
3727 int gamenum = atoi(star_match[0]);
3728 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3729 gamenum == ics_gamenum) {
3730 /* We were already playing or observing this game;
3731 no need to refetch history */
3732 gameMode = IcsExamining;
3734 pauseExamForwardMostMove = forwardMostMove;
3735 } else if (currentMove < forwardMostMove) {
3736 ForwardInner(forwardMostMove);
3739 /* I don't think this case really can happen */
3740 SendToICS(ics_prefix);
3741 SendToICS("refresh\n");
3746 /* Error messages */
3747 // if (ics_user_moved) {
3748 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3749 if (looking_at(buf, &i, "Illegal move") ||
3750 looking_at(buf, &i, "Not a legal move") ||
3751 looking_at(buf, &i, "Your king is in check") ||
3752 looking_at(buf, &i, "It isn't your turn") ||
3753 looking_at(buf, &i, "It is not your move")) {
3755 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3756 currentMove = forwardMostMove-1;
3757 DisplayMove(currentMove - 1); /* before DMError */
3758 DrawPosition(FALSE, boards[currentMove]);
3759 SwitchClocks(forwardMostMove-1); // [HGM] race
3760 DisplayBothClocks();
3762 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3768 if (looking_at(buf, &i, "still have time") ||
3769 looking_at(buf, &i, "not out of time") ||
3770 looking_at(buf, &i, "either player is out of time") ||
3771 looking_at(buf, &i, "has timeseal; checking")) {
3772 /* We must have called his flag a little too soon */
3773 whiteFlag = blackFlag = FALSE;
3777 if (looking_at(buf, &i, "added * seconds to") ||
3778 looking_at(buf, &i, "seconds were added to")) {
3779 /* Update the clocks */
3780 SendToICS(ics_prefix);
3781 SendToICS("refresh\n");
3785 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3786 ics_clock_paused = TRUE;
3791 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3792 ics_clock_paused = FALSE;
3797 /* Grab player ratings from the Creating: message.
3798 Note we have to check for the special case when
3799 the ICS inserts things like [white] or [black]. */
3800 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3801 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3803 0 player 1 name (not necessarily white)
3805 2 empty, white, or black (IGNORED)
3806 3 player 2 name (not necessarily black)
3809 The names/ratings are sorted out when the game
3810 actually starts (below).
3812 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3813 player1Rating = string_to_rating(star_match[1]);
3814 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3815 player2Rating = string_to_rating(star_match[4]);
3817 if (appData.debugMode)
3819 "Ratings from 'Creating:' %s %d, %s %d\n",
3820 player1Name, player1Rating,
3821 player2Name, player2Rating);
3826 /* Improved generic start/end-of-game messages */
3827 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3828 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3829 /* If tkind == 0: */
3830 /* star_match[0] is the game number */
3831 /* [1] is the white player's name */
3832 /* [2] is the black player's name */
3833 /* For end-of-game: */
3834 /* [3] is the reason for the game end */
3835 /* [4] is a PGN end game-token, preceded by " " */
3836 /* For start-of-game: */
3837 /* [3] begins with "Creating" or "Continuing" */
3838 /* [4] is " *" or empty (don't care). */
3839 int gamenum = atoi(star_match[0]);
3840 char *whitename, *blackname, *why, *endtoken;
3841 ChessMove endtype = EndOfFile;
3844 whitename = star_match[1];
3845 blackname = star_match[2];
3846 why = star_match[3];
3847 endtoken = star_match[4];
3849 whitename = star_match[1];
3850 blackname = star_match[3];
3851 why = star_match[5];
3852 endtoken = star_match[6];
3855 /* Game start messages */
3856 if (strncmp(why, "Creating ", 9) == 0 ||
3857 strncmp(why, "Continuing ", 11) == 0) {
3858 gs_gamenum = gamenum;
3859 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3860 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3861 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3863 if (appData.zippyPlay) {
3864 ZippyGameStart(whitename, blackname);
3867 partnerBoardValid = FALSE; // [HGM] bughouse
3871 /* Game end messages */
3872 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3873 ics_gamenum != gamenum) {
3876 while (endtoken[0] == ' ') endtoken++;
3877 switch (endtoken[0]) {
3880 endtype = GameUnfinished;
3883 endtype = BlackWins;
3886 if (endtoken[1] == '/')
3887 endtype = GameIsDrawn;
3889 endtype = WhiteWins;
3892 GameEnds(endtype, why, GE_ICS);
3894 if (appData.zippyPlay && first.initDone) {
3895 ZippyGameEnd(endtype, why);
3896 if (first.pr == NoProc) {
3897 /* Start the next process early so that we'll
3898 be ready for the next challenge */
3899 StartChessProgram(&first);
3901 /* Send "new" early, in case this command takes
3902 a long time to finish, so that we'll be ready
3903 for the next challenge. */
3904 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3908 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3912 if (looking_at(buf, &i, "Removing game * from observation") ||
3913 looking_at(buf, &i, "no longer observing game *") ||
3914 looking_at(buf, &i, "Game * (*) has no examiners")) {
3915 if (gameMode == IcsObserving &&
3916 atoi(star_match[0]) == ics_gamenum)
3918 /* icsEngineAnalyze */
3919 if (appData.icsEngineAnalyze) {
3926 ics_user_moved = FALSE;
3931 if (looking_at(buf, &i, "no longer examining game *")) {
3932 if (gameMode == IcsExamining &&
3933 atoi(star_match[0]) == ics_gamenum)
3937 ics_user_moved = FALSE;
3942 /* Advance leftover_start past any newlines we find,
3943 so only partial lines can get reparsed */
3944 if (looking_at(buf, &i, "\n")) {
3945 prevColor = curColor;
3946 if (curColor != ColorNormal) {
3947 if (oldi > next_out) {
3948 SendToPlayer(&buf[next_out], oldi - next_out);
3951 Colorize(ColorNormal, FALSE);
3952 curColor = ColorNormal;
3954 if (started == STARTED_BOARD) {
3955 started = STARTED_NONE;
3956 parse[parse_pos] = NULLCHAR;
3957 ParseBoard12(parse);
3960 /* Send premove here */
3961 if (appData.premove) {
3963 if (currentMove == 0 &&
3964 gameMode == IcsPlayingWhite &&
3965 appData.premoveWhite) {
3966 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3967 if (appData.debugMode)
3968 fprintf(debugFP, "Sending premove:\n");
3970 } else if (currentMove == 1 &&
3971 gameMode == IcsPlayingBlack &&
3972 appData.premoveBlack) {
3973 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3974 if (appData.debugMode)
3975 fprintf(debugFP, "Sending premove:\n");
3977 } else if (gotPremove) {
3979 ClearPremoveHighlights();
3980 if (appData.debugMode)
3981 fprintf(debugFP, "Sending premove:\n");
3982 UserMoveEvent(premoveFromX, premoveFromY,
3983 premoveToX, premoveToY,
3988 /* Usually suppress following prompt */
3989 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3990 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3991 if (looking_at(buf, &i, "*% ")) {
3992 savingComment = FALSE;
3997 } else if (started == STARTED_HOLDINGS) {
3999 char new_piece[MSG_SIZ];
4000 started = STARTED_NONE;
4001 parse[parse_pos] = NULLCHAR;
4002 if (appData.debugMode)
4003 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4004 parse, currentMove);
4005 if (sscanf(parse, " game %d", &gamenum) == 1) {
4006 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4007 if (gameInfo.variant == VariantNormal) {
4008 /* [HGM] We seem to switch variant during a game!
4009 * Presumably no holdings were displayed, so we have
4010 * to move the position two files to the right to
4011 * create room for them!
4013 VariantClass newVariant;
4014 switch(gameInfo.boardWidth) { // base guess on board width
4015 case 9: newVariant = VariantShogi; break;
4016 case 10: newVariant = VariantGreat; break;
4017 default: newVariant = VariantCrazyhouse; break;
4019 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4020 /* Get a move list just to see the header, which
4021 will tell us whether this is really bug or zh */
4022 if (ics_getting_history == H_FALSE) {
4023 ics_getting_history = H_REQUESTED;
4024 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4028 new_piece[0] = NULLCHAR;
4029 sscanf(parse, "game %d white [%s black [%s <- %s",
4030 &gamenum, white_holding, black_holding,
4032 white_holding[strlen(white_holding)-1] = NULLCHAR;
4033 black_holding[strlen(black_holding)-1] = NULLCHAR;
4034 /* [HGM] copy holdings to board holdings area */
4035 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4036 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4037 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4039 if (appData.zippyPlay && first.initDone) {
4040 ZippyHoldings(white_holding, black_holding,
4044 if (tinyLayout || smallLayout) {
4045 char wh[16], bh[16];
4046 PackHolding(wh, white_holding);
4047 PackHolding(bh, black_holding);
4048 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4049 gameInfo.white, gameInfo.black);
4051 snprintf(str, MSG_SIZ, _("%s [%s] vs. %s [%s]"),
4052 gameInfo.white, white_holding,
4053 gameInfo.black, black_holding);
4055 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4056 DrawPosition(FALSE, boards[currentMove]);
4058 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4059 sscanf(parse, "game %d white [%s black [%s <- %s",
4060 &gamenum, white_holding, black_holding,
4062 white_holding[strlen(white_holding)-1] = NULLCHAR;
4063 black_holding[strlen(black_holding)-1] = NULLCHAR;
4064 /* [HGM] copy holdings to partner-board holdings area */
4065 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4066 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4067 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4068 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4069 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4072 /* Suppress following prompt */
4073 if (looking_at(buf, &i, "*% ")) {
4074 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4075 savingComment = FALSE;
4083 i++; /* skip unparsed character and loop back */
4086 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4087 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4088 // SendToPlayer(&buf[next_out], i - next_out);
4089 started != STARTED_HOLDINGS && leftover_start > next_out) {
4090 SendToPlayer(&buf[next_out], leftover_start - next_out);
4094 leftover_len = buf_len - leftover_start;
4095 /* if buffer ends with something we couldn't parse,
4096 reparse it after appending the next read */
4098 } else if (count == 0) {
4099 RemoveInputSource(isr);
4100 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4102 DisplayFatalError(_("Error reading from ICS"), error, 1);
4107 /* Board style 12 looks like this:
4109 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4111 * The "<12> " is stripped before it gets to this routine. The two
4112 * trailing 0's (flip state and clock ticking) are later addition, and
4113 * some chess servers may not have them, or may have only the first.
4114 * Additional trailing fields may be added in the future.
4117 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4119 #define RELATION_OBSERVING_PLAYED 0
4120 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4121 #define RELATION_PLAYING_MYMOVE 1
4122 #define RELATION_PLAYING_NOTMYMOVE -1
4123 #define RELATION_EXAMINING 2
4124 #define RELATION_ISOLATED_BOARD -3
4125 #define RELATION_STARTING_POSITION -4 /* FICS only */
4128 ParseBoard12(string)
4131 GameMode newGameMode;
4132 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4133 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4134 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4135 char to_play, board_chars[200];
4136 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4137 char black[32], white[32];
4139 int prevMove = currentMove;
4142 int fromX, fromY, toX, toY;
4144 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4145 char *bookHit = NULL; // [HGM] book
4146 Boolean weird = FALSE, reqFlag = FALSE;
4148 fromX = fromY = toX = toY = -1;
4152 if (appData.debugMode)
4153 fprintf(debugFP, _("Parsing board: %s\n"), string);
4155 move_str[0] = NULLCHAR;
4156 elapsed_time[0] = NULLCHAR;
4157 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4159 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4160 if(string[i] == ' ') { ranks++; files = 0; }
4162 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4165 for(j = 0; j <i; j++) board_chars[j] = string[j];
4166 board_chars[i] = '\0';
4169 n = sscanf(string, PATTERN, &to_play, &double_push,
4170 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4171 &gamenum, white, black, &relation, &basetime, &increment,
4172 &white_stren, &black_stren, &white_time, &black_time,
4173 &moveNum, str, elapsed_time, move_str, &ics_flip,
4177 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4178 DisplayError(str, 0);
4182 /* Convert the move number to internal form */
4183 moveNum = (moveNum - 1) * 2;
4184 if (to_play == 'B') moveNum++;
4185 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4186 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4192 case RELATION_OBSERVING_PLAYED:
4193 case RELATION_OBSERVING_STATIC:
4194 if (gamenum == -1) {
4195 /* Old ICC buglet */
4196 relation = RELATION_OBSERVING_STATIC;
4198 newGameMode = IcsObserving;
4200 case RELATION_PLAYING_MYMOVE:
4201 case RELATION_PLAYING_NOTMYMOVE:
4203 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4204 IcsPlayingWhite : IcsPlayingBlack;
4206 case RELATION_EXAMINING:
4207 newGameMode = IcsExamining;
4209 case RELATION_ISOLATED_BOARD:
4211 /* Just display this board. If user was doing something else,
4212 we will forget about it until the next board comes. */
4213 newGameMode = IcsIdle;
4215 case RELATION_STARTING_POSITION:
4216 newGameMode = gameMode;
4220 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4221 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4222 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4224 for (k = 0; k < ranks; k++) {
4225 for (j = 0; j < files; j++)
4226 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4227 if(gameInfo.holdingsWidth > 1) {
4228 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4229 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4232 CopyBoard(partnerBoard, board);
4233 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4234 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4235 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4236 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4237 if(toSqr = strchr(str, '-')) {
4238 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4239 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4240 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4241 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4242 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4243 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4244 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4245 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4246 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4247 DisplayMessage(partnerStatus, "");
4248 partnerBoardValid = TRUE;
4252 /* Modify behavior for initial board display on move listing
4255 switch (ics_getting_history) {
4259 case H_GOT_REQ_HEADER:
4260 case H_GOT_UNREQ_HEADER:
4261 /* This is the initial position of the current game */
4262 gamenum = ics_gamenum;
4263 moveNum = 0; /* old ICS bug workaround */
4264 if (to_play == 'B') {
4265 startedFromSetupPosition = TRUE;
4266 blackPlaysFirst = TRUE;
4268 if (forwardMostMove == 0) forwardMostMove = 1;
4269 if (backwardMostMove == 0) backwardMostMove = 1;
4270 if (currentMove == 0) currentMove = 1;
4272 newGameMode = gameMode;
4273 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4275 case H_GOT_UNWANTED_HEADER:
4276 /* This is an initial board that we don't want */
4278 case H_GETTING_MOVES:
4279 /* Should not happen */
4280 DisplayError(_("Error gathering move list: extra board"), 0);
4281 ics_getting_history = H_FALSE;
4285 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4286 weird && (int)gameInfo.variant < (int)VariantShogi) {
4287 /* [HGM] We seem to have switched variant unexpectedly
4288 * Try to guess new variant from board size
4290 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4291 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4292 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4293 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4294 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4295 if(!weird) newVariant = VariantNormal;
4296 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4297 /* Get a move list just to see the header, which
4298 will tell us whether this is really bug or zh */
4299 if (ics_getting_history == H_FALSE) {
4300 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4301 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4306 /* Take action if this is the first board of a new game, or of a
4307 different game than is currently being displayed. */
4308 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4309 relation == RELATION_ISOLATED_BOARD) {
4311 /* Forget the old game and get the history (if any) of the new one */
4312 if (gameMode != BeginningOfGame) {
4316 if (appData.autoRaiseBoard) BoardToTop();
4318 if (gamenum == -1) {
4319 newGameMode = IcsIdle;
4320 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4321 appData.getMoveList && !reqFlag) {
4322 /* Need to get game history */
4323 ics_getting_history = H_REQUESTED;
4324 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4328 /* Initially flip the board to have black on the bottom if playing
4329 black or if the ICS flip flag is set, but let the user change
4330 it with the Flip View button. */
4331 flipView = appData.autoFlipView ?
4332 (newGameMode == IcsPlayingBlack) || ics_flip :
4335 /* Done with values from previous mode; copy in new ones */
4336 gameMode = newGameMode;
4338 ics_gamenum = gamenum;
4339 if (gamenum == gs_gamenum) {
4340 int klen = strlen(gs_kind);
4341 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4342 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4343 gameInfo.event = StrSave(str);
4345 gameInfo.event = StrSave("ICS game");
4347 gameInfo.site = StrSave(appData.icsHost);
4348 gameInfo.date = PGNDate();
4349 gameInfo.round = StrSave("-");
4350 gameInfo.white = StrSave(white);
4351 gameInfo.black = StrSave(black);
4352 timeControl = basetime * 60 * 1000;
4354 timeIncrement = increment * 1000;
4355 movesPerSession = 0;
4356 gameInfo.timeControl = TimeControlTagValue();
4357 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4358 if (appData.debugMode) {
4359 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4360 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4361 setbuf(debugFP, NULL);
4364 gameInfo.outOfBook = NULL;
4366 /* Do we have the ratings? */
4367 if (strcmp(player1Name, white) == 0 &&
4368 strcmp(player2Name, black) == 0) {
4369 if (appData.debugMode)
4370 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4371 player1Rating, player2Rating);
4372 gameInfo.whiteRating = player1Rating;
4373 gameInfo.blackRating = player2Rating;
4374 } else if (strcmp(player2Name, white) == 0 &&
4375 strcmp(player1Name, black) == 0) {
4376 if (appData.debugMode)
4377 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4378 player2Rating, player1Rating);
4379 gameInfo.whiteRating = player2Rating;
4380 gameInfo.blackRating = player1Rating;
4382 player1Name[0] = player2Name[0] = NULLCHAR;
4384 /* Silence shouts if requested */
4385 if (appData.quietPlay &&
4386 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4387 SendToICS(ics_prefix);
4388 SendToICS("set shout 0\n");
4392 /* Deal with midgame name changes */
4394 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4395 if (gameInfo.white) free(gameInfo.white);
4396 gameInfo.white = StrSave(white);
4398 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4399 if (gameInfo.black) free(gameInfo.black);
4400 gameInfo.black = StrSave(black);
4404 /* Throw away game result if anything actually changes in examine mode */
4405 if (gameMode == IcsExamining && !newGame) {
4406 gameInfo.result = GameUnfinished;
4407 if (gameInfo.resultDetails != NULL) {
4408 free(gameInfo.resultDetails);
4409 gameInfo.resultDetails = NULL;
4413 /* In pausing && IcsExamining mode, we ignore boards coming
4414 in if they are in a different variation than we are. */
4415 if (pauseExamInvalid) return;
4416 if (pausing && gameMode == IcsExamining) {
4417 if (moveNum <= pauseExamForwardMostMove) {
4418 pauseExamInvalid = TRUE;
4419 forwardMostMove = pauseExamForwardMostMove;
4424 if (appData.debugMode) {
4425 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4427 /* Parse the board */
4428 for (k = 0; k < ranks; k++) {
4429 for (j = 0; j < files; j++)
4430 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4431 if(gameInfo.holdingsWidth > 1) {
4432 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4433 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4436 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4437 board[5][BOARD_RGHT+1] = WhiteAngel;
4438 board[6][BOARD_RGHT+1] = WhiteMarshall;
4439 board[1][0] = BlackMarshall;
4440 board[2][0] = BlackAngel;
4441 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4443 CopyBoard(boards[moveNum], board);
4444 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4446 startedFromSetupPosition =
4447 !CompareBoards(board, initialPosition);
4448 if(startedFromSetupPosition)
4449 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4452 /* [HGM] Set castling rights. Take the outermost Rooks,
4453 to make it also work for FRC opening positions. Note that board12
4454 is really defective for later FRC positions, as it has no way to
4455 indicate which Rook can castle if they are on the same side of King.
4456 For the initial position we grant rights to the outermost Rooks,
4457 and remember thos rights, and we then copy them on positions
4458 later in an FRC game. This means WB might not recognize castlings with
4459 Rooks that have moved back to their original position as illegal,
4460 but in ICS mode that is not its job anyway.
4462 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4463 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4465 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4466 if(board[0][i] == WhiteRook) j = i;
4467 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4468 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4469 if(board[0][i] == WhiteRook) j = i;
4470 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4471 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4472 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4473 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4474 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4475 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4476 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4478 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4479 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4480 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4481 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4482 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4483 if(board[BOARD_HEIGHT-1][k] == bKing)
4484 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4485 if(gameInfo.variant == VariantTwoKings) {
4486 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4487 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4488 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4491 r = boards[moveNum][CASTLING][0] = initialRights[0];
4492 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4493 r = boards[moveNum][CASTLING][1] = initialRights[1];
4494 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4495 r = boards[moveNum][CASTLING][3] = initialRights[3];
4496 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4497 r = boards[moveNum][CASTLING][4] = initialRights[4];
4498 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4499 /* wildcastle kludge: always assume King has rights */
4500 r = boards[moveNum][CASTLING][2] = initialRights[2];
4501 r = boards[moveNum][CASTLING][5] = initialRights[5];
4503 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4504 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4507 if (ics_getting_history == H_GOT_REQ_HEADER ||
4508 ics_getting_history == H_GOT_UNREQ_HEADER) {
4509 /* This was an initial position from a move list, not
4510 the current position */
4514 /* Update currentMove and known move number limits */
4515 newMove = newGame || moveNum > forwardMostMove;
4518 forwardMostMove = backwardMostMove = currentMove = moveNum;
4519 if (gameMode == IcsExamining && moveNum == 0) {
4520 /* Workaround for ICS limitation: we are not told the wild
4521 type when starting to examine a game. But if we ask for
4522 the move list, the move list header will tell us */
4523 ics_getting_history = H_REQUESTED;
4524 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4527 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4528 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4530 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4531 /* [HGM] applied this also to an engine that is silently watching */
4532 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4533 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4534 gameInfo.variant == currentlyInitializedVariant) {
4535 takeback = forwardMostMove - moveNum;
4536 for (i = 0; i < takeback; i++) {
4537 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4538 SendToProgram("undo\n", &first);
4543 forwardMostMove = moveNum;
4544 if (!pausing || currentMove > forwardMostMove)
4545 currentMove = forwardMostMove;
4547 /* New part of history that is not contiguous with old part */
4548 if (pausing && gameMode == IcsExamining) {
4549 pauseExamInvalid = TRUE;
4550 forwardMostMove = pauseExamForwardMostMove;
4553 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4555 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4556 // [HGM] when we will receive the move list we now request, it will be
4557 // fed to the engine from the first move on. So if the engine is not
4558 // in the initial position now, bring it there.
4559 InitChessProgram(&first, 0);
4562 ics_getting_history = H_REQUESTED;
4563 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4566 forwardMostMove = backwardMostMove = currentMove = moveNum;
4569 /* Update the clocks */
4570 if (strchr(elapsed_time, '.')) {
4572 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4573 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4575 /* Time is in seconds */
4576 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4577 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4582 if (appData.zippyPlay && newGame &&
4583 gameMode != IcsObserving && gameMode != IcsIdle &&
4584 gameMode != IcsExamining)
4585 ZippyFirstBoard(moveNum, basetime, increment);
4588 /* Put the move on the move list, first converting
4589 to canonical algebraic form. */
4591 if (appData.debugMode) {
4592 if (appData.debugMode) { int f = forwardMostMove;
4593 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4594 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4595 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4597 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4598 fprintf(debugFP, "moveNum = %d\n", moveNum);
4599 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4600 setbuf(debugFP, NULL);
4602 if (moveNum <= backwardMostMove) {
4603 /* We don't know what the board looked like before
4605 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4606 strcat(parseList[moveNum - 1], " ");
4607 strcat(parseList[moveNum - 1], elapsed_time);
4608 moveList[moveNum - 1][0] = NULLCHAR;
4609 } else if (strcmp(move_str, "none") == 0) {
4610 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4611 /* Again, we don't know what the board looked like;
4612 this is really the start of the game. */
4613 parseList[moveNum - 1][0] = NULLCHAR;
4614 moveList[moveNum - 1][0] = NULLCHAR;
4615 backwardMostMove = moveNum;
4616 startedFromSetupPosition = TRUE;
4617 fromX = fromY = toX = toY = -1;
4619 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4620 // So we parse the long-algebraic move string in stead of the SAN move
4621 int valid; char buf[MSG_SIZ], *prom;
4623 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4624 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4625 // str looks something like "Q/a1-a2"; kill the slash
4627 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4628 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4629 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4630 strcat(buf, prom); // long move lacks promo specification!
4631 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4632 if(appData.debugMode)
4633 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4634 safeStrCpy(move_str, buf, MSG_SIZ);
4636 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4637 &fromX, &fromY, &toX, &toY, &promoChar)
4638 || ParseOneMove(buf, moveNum - 1, &moveType,
4639 &fromX, &fromY, &toX, &toY, &promoChar);
4640 // end of long SAN patch
4642 (void) CoordsToAlgebraic(boards[moveNum - 1],
4643 PosFlags(moveNum - 1),
4644 fromY, fromX, toY, toX, promoChar,
4645 parseList[moveNum-1]);
4646 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4652 if(gameInfo.variant != VariantShogi)
4653 strcat(parseList[moveNum - 1], "+");
4656 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4657 strcat(parseList[moveNum - 1], "#");
4660 strcat(parseList[moveNum - 1], " ");
4661 strcat(parseList[moveNum - 1], elapsed_time);
4662 /* currentMoveString is set as a side-effect of ParseOneMove */
4663 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4664 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4665 strcat(moveList[moveNum - 1], "\n");
4667 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4668 && gameInfo.variant != VariantGrand) // inherit info that ICS does not give from previous board
4669 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4670 ChessSquare old, new = boards[moveNum][k][j];
4671 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4672 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4673 if(old == new) continue;
4674 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4675 else if(new == WhiteWazir || new == BlackWazir) {
4676 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4677 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4678 else boards[moveNum][k][j] = old; // preserve type of Gold
4679 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4680 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4683 /* Move from ICS was illegal!? Punt. */
4684 if (appData.debugMode) {
4685 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4686 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4688 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4689 strcat(parseList[moveNum - 1], " ");
4690 strcat(parseList[moveNum - 1], elapsed_time);
4691 moveList[moveNum - 1][0] = NULLCHAR;
4692 fromX = fromY = toX = toY = -1;
4695 if (appData.debugMode) {
4696 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4697 setbuf(debugFP, NULL);
4701 /* Send move to chess program (BEFORE animating it). */
4702 if (appData.zippyPlay && !newGame && newMove &&
4703 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4705 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4706 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4707 if (moveList[moveNum - 1][0] == NULLCHAR) {
4708 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4710 DisplayError(str, 0);
4712 if (first.sendTime) {
4713 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4715 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4716 if (firstMove && !bookHit) {
4718 if (first.useColors) {
4719 SendToProgram(gameMode == IcsPlayingWhite ?
4721 "black\ngo\n", &first);
4723 SendToProgram("go\n", &first);
4725 first.maybeThinking = TRUE;
4728 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4729 if (moveList[moveNum - 1][0] == NULLCHAR) {
4730 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4731 DisplayError(str, 0);
4733 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4734 SendMoveToProgram(moveNum - 1, &first);
4741 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4742 /* If move comes from a remote source, animate it. If it
4743 isn't remote, it will have already been animated. */
4744 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4745 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4747 if (!pausing && appData.highlightLastMove) {
4748 SetHighlights(fromX, fromY, toX, toY);
4752 /* Start the clocks */
4753 whiteFlag = blackFlag = FALSE;
4754 appData.clockMode = !(basetime == 0 && increment == 0);
4756 ics_clock_paused = TRUE;
4758 } else if (ticking == 1) {
4759 ics_clock_paused = FALSE;
4761 if (gameMode == IcsIdle ||
4762 relation == RELATION_OBSERVING_STATIC ||
4763 relation == RELATION_EXAMINING ||
4765 DisplayBothClocks();
4769 /* Display opponents and material strengths */
4770 if (gameInfo.variant != VariantBughouse &&
4771 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4772 if (tinyLayout || smallLayout) {
4773 if(gameInfo.variant == VariantNormal)
4774 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4775 gameInfo.white, white_stren, gameInfo.black, black_stren,
4776 basetime, increment);
4778 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4779 gameInfo.white, white_stren, gameInfo.black, black_stren,
4780 basetime, increment, (int) gameInfo.variant);
4782 if(gameInfo.variant == VariantNormal)
4783 snprintf(str, MSG_SIZ, _("%s (%d) vs. %s (%d) {%d %d}"),
4784 gameInfo.white, white_stren, gameInfo.black, black_stren,
4785 basetime, increment);
4787 snprintf(str, MSG_SIZ, _("%s (%d) vs. %s (%d) {%d %d %s}"),
4788 gameInfo.white, white_stren, gameInfo.black, black_stren,
4789 basetime, increment, VariantName(gameInfo.variant));
4792 if (appData.debugMode) {
4793 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4798 /* Display the board */
4799 if (!pausing && !appData.noGUI) {
4801 if (appData.premove)
4803 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4804 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4805 ClearPremoveHighlights();
4807 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4808 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4809 DrawPosition(j, boards[currentMove]);
4811 DisplayMove(moveNum - 1);
4812 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4813 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4814 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4815 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4819 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4821 if(bookHit) { // [HGM] book: simulate book reply
4822 static char bookMove[MSG_SIZ]; // a bit generous?
4824 programStats.nodes = programStats.depth = programStats.time =
4825 programStats.score = programStats.got_only_move = 0;
4826 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4828 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4829 strcat(bookMove, bookHit);
4830 HandleMachineMove(bookMove, &first);
4839 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4840 ics_getting_history = H_REQUESTED;
4841 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4847 AnalysisPeriodicEvent(force)
4850 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4851 && !force) || !appData.periodicUpdates)
4854 /* Send . command to Crafty to collect stats */
4855 SendToProgram(".\n", &first);
4857 /* Don't send another until we get a response (this makes
4858 us stop sending to old Crafty's which don't understand
4859 the "." command (sending illegal cmds resets node count & time,
4860 which looks bad)) */
4861 programStats.ok_to_send = 0;
4864 void ics_update_width(new_width)
4867 ics_printf("set width %d\n", new_width);
4871 SendMoveToProgram(moveNum, cps)
4873 ChessProgramState *cps;
4877 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4878 // null move in variant where engine does not understand it (for analysis purposes)
4879 SendBoard(cps, moveNum + 1); // send position after move in stead.
4882 if (cps->useUsermove) {
4883 SendToProgram("usermove ", cps);
4887 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4888 int len = space - parseList[moveNum];
4889 memcpy(buf, parseList[moveNum], len);
4891 buf[len] = NULLCHAR;
4893 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4895 SendToProgram(buf, cps);
4897 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4898 AlphaRank(moveList[moveNum], 4);
4899 SendToProgram(moveList[moveNum], cps);
4900 AlphaRank(moveList[moveNum], 4); // and back
4902 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4903 * the engine. It would be nice to have a better way to identify castle
4905 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4906 && cps->useOOCastle) {
4907 int fromX = moveList[moveNum][0] - AAA;
4908 int fromY = moveList[moveNum][1] - ONE;
4909 int toX = moveList[moveNum][2] - AAA;
4910 int toY = moveList[moveNum][3] - ONE;
4911 if((boards[moveNum][fromY][fromX] == WhiteKing
4912 && boards[moveNum][toY][toX] == WhiteRook)
4913 || (boards[moveNum][fromY][fromX] == BlackKing
4914 && boards[moveNum][toY][toX] == BlackRook)) {
4915 if(toX > fromX) SendToProgram("O-O\n", cps);
4916 else SendToProgram("O-O-O\n", cps);
4918 else SendToProgram(moveList[moveNum], cps);
4920 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4921 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4922 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4923 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4924 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4926 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4927 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4928 SendToProgram(buf, cps);
4930 else SendToProgram(moveList[moveNum], cps);
4931 /* End of additions by Tord */
4934 /* [HGM] setting up the opening has brought engine in force mode! */
4935 /* Send 'go' if we are in a mode where machine should play. */
4936 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4937 (gameMode == TwoMachinesPlay ||
4939 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4941 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4942 SendToProgram("go\n", cps);
4943 if (appData.debugMode) {
4944 fprintf(debugFP, "(extra)\n");
4947 setboardSpoiledMachineBlack = 0;
4951 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4953 int fromX, fromY, toX, toY;
4956 char user_move[MSG_SIZ];
4959 if(gameInfo.variant == VariantSChess && promoChar) {
4960 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
4961 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
4962 } else suffix[0] = NULLCHAR;
4966 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4967 (int)moveType, fromX, fromY, toX, toY);
4968 DisplayError(user_move + strlen("say "), 0);
4970 case WhiteKingSideCastle:
4971 case BlackKingSideCastle:
4972 case WhiteQueenSideCastleWild:
4973 case BlackQueenSideCastleWild:
4975 case WhiteHSideCastleFR:
4976 case BlackHSideCastleFR:
4978 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
4980 case WhiteQueenSideCastle:
4981 case BlackQueenSideCastle:
4982 case WhiteKingSideCastleWild:
4983 case BlackKingSideCastleWild:
4985 case WhiteASideCastleFR:
4986 case BlackASideCastleFR:
4988 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
4990 case WhiteNonPromotion:
4991 case BlackNonPromotion:
4992 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4994 case WhitePromotion:
4995 case BlackPromotion:
4996 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4997 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4998 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4999 PieceToChar(WhiteFerz));
5000 else if(gameInfo.variant == VariantGreat)
5001 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5002 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5003 PieceToChar(WhiteMan));
5005 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5006 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5012 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5013 ToUpper(PieceToChar((ChessSquare) fromX)),
5014 AAA + toX, ONE + toY);
5016 case IllegalMove: /* could be a variant we don't quite understand */
5017 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5019 case WhiteCapturesEnPassant:
5020 case BlackCapturesEnPassant:
5021 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5022 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5025 SendToICS(user_move);
5026 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5027 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5032 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5033 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5034 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5035 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5036 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5039 if(gameMode != IcsExamining) { // is this ever not the case?
5040 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5042 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5043 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5044 } else { // on FICS we must first go to general examine mode
5045 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5047 if(gameInfo.variant != VariantNormal) {
5048 // try figure out wild number, as xboard names are not always valid on ICS
5049 for(i=1; i<=36; i++) {
5050 snprintf(buf, MSG_SIZ, "wild/%d", i);
5051 if(StringToVariant(buf) == gameInfo.variant) break;
5053 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5054 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5055 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5056 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5057 SendToICS(ics_prefix);
5059 if(startedFromSetupPosition || backwardMostMove != 0) {
5060 fen = PositionToFEN(backwardMostMove, NULL);
5061 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5062 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5064 } else { // FICS: everything has to set by separate bsetup commands
5065 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5066 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5068 if(!WhiteOnMove(backwardMostMove)) {
5069 SendToICS("bsetup tomove black\n");
5071 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5072 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5074 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5075 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5077 i = boards[backwardMostMove][EP_STATUS];
5078 if(i >= 0) { // set e.p.
5079 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5085 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5086 SendToICS("bsetup done\n"); // switch to normal examining.
5088 for(i = backwardMostMove; i<last; i++) {
5090 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5093 SendToICS(ics_prefix);
5094 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5098 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5103 if (rf == DROP_RANK) {
5104 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5105 sprintf(move, "%c@%c%c\n",
5106 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5108 if (promoChar == 'x' || promoChar == NULLCHAR) {
5109 sprintf(move, "%c%c%c%c\n",
5110 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5112 sprintf(move, "%c%c%c%c%c\n",
5113 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5119 ProcessICSInitScript(f)
5124 while (fgets(buf, MSG_SIZ, f)) {
5125 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5132 static int lastX, lastY, selectFlag, dragging;
5137 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5138 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5139 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5140 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5141 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5142 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5145 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5146 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5147 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5148 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5149 if(!step) step = -1;
5150 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5151 appData.testLegality && (promoSweep == king ||
5152 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5153 ChangeDragPiece(promoSweep);
5156 int PromoScroll(int x, int y)
5160 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5161 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5162 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5163 if(!step) return FALSE;
5164 lastX = x; lastY = y;
5165 if((promoSweep < BlackPawn) == flipView) step = -step;
5166 if(step > 0) selectFlag = 1;
5167 if(!selectFlag) Sweep(step);
5174 ChessSquare piece = boards[currentMove][toY][toX];
5177 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5178 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5179 if(!step) step = -1;
5180 } while(PieceToChar(pieceSweep) == '.');
5181 boards[currentMove][toY][toX] = pieceSweep;
5182 DrawPosition(FALSE, boards[currentMove]);
5183 boards[currentMove][toY][toX] = piece;
5185 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5187 AlphaRank(char *move, int n)
5189 // char *p = move, c; int x, y;
5191 if (appData.debugMode) {
5192 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5196 move[2]>='0' && move[2]<='9' &&
5197 move[3]>='a' && move[3]<='x' ) {
5199 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5200 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5202 if(move[0]>='0' && move[0]<='9' &&
5203 move[1]>='a' && move[1]<='x' &&
5204 move[2]>='0' && move[2]<='9' &&
5205 move[3]>='a' && move[3]<='x' ) {
5206 /* input move, Shogi -> normal */
5207 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5208 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5209 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5210 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5213 move[3]>='0' && move[3]<='9' &&
5214 move[2]>='a' && move[2]<='x' ) {
5216 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5217 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5220 move[0]>='a' && move[0]<='x' &&
5221 move[3]>='0' && move[3]<='9' &&
5222 move[2]>='a' && move[2]<='x' ) {
5223 /* output move, normal -> Shogi */
5224 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5225 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5226 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5227 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5228 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5230 if (appData.debugMode) {
5231 fprintf(debugFP, " out = '%s'\n", move);
5235 char yy_textstr[8000];
5237 /* Parser for moves from gnuchess, ICS, or user typein box */
5239 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5242 ChessMove *moveType;
5243 int *fromX, *fromY, *toX, *toY;
5246 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5248 switch (*moveType) {
5249 case WhitePromotion:
5250 case BlackPromotion:
5251 case WhiteNonPromotion:
5252 case BlackNonPromotion:
5254 case WhiteCapturesEnPassant:
5255 case BlackCapturesEnPassant:
5256 case WhiteKingSideCastle:
5257 case WhiteQueenSideCastle:
5258 case BlackKingSideCastle:
5259 case BlackQueenSideCastle:
5260 case WhiteKingSideCastleWild:
5261 case WhiteQueenSideCastleWild:
5262 case BlackKingSideCastleWild:
5263 case BlackQueenSideCastleWild:
5264 /* Code added by Tord: */
5265 case WhiteHSideCastleFR:
5266 case WhiteASideCastleFR:
5267 case BlackHSideCastleFR:
5268 case BlackASideCastleFR:
5269 /* End of code added by Tord */
5270 case IllegalMove: /* bug or odd chess variant */
5271 *fromX = currentMoveString[0] - AAA;
5272 *fromY = currentMoveString[1] - ONE;
5273 *toX = currentMoveString[2] - AAA;
5274 *toY = currentMoveString[3] - ONE;
5275 *promoChar = currentMoveString[4];
5276 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5277 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5278 if (appData.debugMode) {
5279 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5281 *fromX = *fromY = *toX = *toY = 0;
5284 if (appData.testLegality) {
5285 return (*moveType != IllegalMove);
5287 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5288 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5293 *fromX = *moveType == WhiteDrop ?
5294 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5295 (int) CharToPiece(ToLower(currentMoveString[0]));
5297 *toX = currentMoveString[2] - AAA;
5298 *toY = currentMoveString[3] - ONE;
5299 *promoChar = NULLCHAR;
5303 case ImpossibleMove:
5313 if (appData.debugMode) {
5314 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5317 *fromX = *fromY = *toX = *toY = 0;
5318 *promoChar = NULLCHAR;
5323 Boolean pushed = FALSE;
5324 char *lastParseAttempt;
5327 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5328 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5329 int fromX, fromY, toX, toY; char promoChar;
5334 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5335 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5338 endPV = forwardMostMove;
5340 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5341 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5342 lastParseAttempt = pv;
5343 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5344 if(appData.debugMode){
5345 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
5347 if(!valid && nr == 0 &&
5348 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5349 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5350 // Hande case where played move is different from leading PV move
5351 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5352 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5353 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5354 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5355 endPV += 2; // if position different, keep this
5356 moveList[endPV-1][0] = fromX + AAA;
5357 moveList[endPV-1][1] = fromY + ONE;
5358 moveList[endPV-1][2] = toX + AAA;
5359 moveList[endPV-1][3] = toY + ONE;
5360 parseList[endPV-1][0] = NULLCHAR;
5361 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5364 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5365 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5366 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5367 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5368 valid++; // allow comments in PV
5372 if(endPV+1 > framePtr) break; // no space, truncate
5375 CopyBoard(boards[endPV], boards[endPV-1]);
5376 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5377 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5378 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5379 CoordsToAlgebraic(boards[endPV - 1],
5380 PosFlags(endPV - 1),
5381 fromY, fromX, toY, toX, promoChar,
5382 parseList[endPV - 1]);
5384 if(atEnd == 2) return; // used hidden, for PV conversion
5385 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5386 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5387 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5388 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5389 DrawPosition(TRUE, boards[currentMove]);
5393 MultiPV(ChessProgramState *cps)
5394 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5396 for(i=0; i<cps->nrOptions; i++)
5397 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5403 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5405 int startPV, multi, lineStart, origIndex = index;
5406 char *p, buf2[MSG_SIZ];
5408 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5409 lastX = x; lastY = y;
5410 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5411 lineStart = startPV = index;
5412 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5413 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5415 do{ while(buf[index] && buf[index] != '\n') index++;
5416 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5418 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5419 int n = first.option[multi].value;
5420 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5421 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5422 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5423 first.option[multi].value = n;
5427 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5428 *start = startPV; *end = index-1;
5435 static char buf[10*MSG_SIZ];
5436 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5438 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5439 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5440 for(i = forwardMostMove; i<endPV; i++){
5441 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5442 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5445 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5446 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5452 LoadPV(int x, int y)
5453 { // called on right mouse click to load PV
5454 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5455 lastX = x; lastY = y;
5456 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5463 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5464 if(endPV < 0) return;
5466 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5467 Boolean saveAnimate = appData.animate;
5469 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5470 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5471 } else storedGames--; // abandon shelved tail of original game
5474 forwardMostMove = currentMove;
5475 currentMove = oldFMM;
5476 appData.animate = FALSE;
5477 ToNrEvent(forwardMostMove);
5478 appData.animate = saveAnimate;
5480 currentMove = forwardMostMove;
5481 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5482 ClearPremoveHighlights();
5483 DrawPosition(TRUE, boards[currentMove]);
5487 MovePV(int x, int y, int h)
5488 { // step through PV based on mouse coordinates (called on mouse move)
5489 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5491 // we must somehow check if right button is still down (might be released off board!)
5492 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5493 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5494 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5496 lastX = x; lastY = y;
5498 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5499 if(endPV < 0) return;
5500 if(y < margin) step = 1; else
5501 if(y > h - margin) step = -1;
5502 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5503 currentMove += step;
5504 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5505 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5506 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5507 DrawPosition(FALSE, boards[currentMove]);
5511 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5512 // All positions will have equal probability, but the current method will not provide a unique
5513 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5519 int piecesLeft[(int)BlackPawn];
5520 int seed, nrOfShuffles;
5522 void GetPositionNumber()
5523 { // sets global variable seed
5526 seed = appData.defaultFrcPosition;
5527 if(seed < 0) { // randomize based on time for negative FRC position numbers
5528 for(i=0; i<50; i++) seed += random();
5529 seed = random() ^ random() >> 8 ^ random() << 8;
5530 if(seed<0) seed = -seed;
5534 int put(Board board, int pieceType, int rank, int n, int shade)
5535 // put the piece on the (n-1)-th empty squares of the given shade
5539 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5540 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5541 board[rank][i] = (ChessSquare) pieceType;
5542 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5544 piecesLeft[pieceType]--;
5552 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5553 // calculate where the next piece goes, (any empty square), and put it there
5557 i = seed % squaresLeft[shade];
5558 nrOfShuffles *= squaresLeft[shade];
5559 seed /= squaresLeft[shade];
5560 put(board, pieceType, rank, i, shade);
5563 void AddTwoPieces(Board board, int pieceType, int rank)
5564 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5566 int i, n=squaresLeft[ANY], j=n-1, k;
5568 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5569 i = seed % k; // pick one
5572 while(i >= j) i -= j--;
5573 j = n - 1 - j; i += j;
5574 put(board, pieceType, rank, j, ANY);
5575 put(board, pieceType, rank, i, ANY);
5578 void SetUpShuffle(Board board, int number)
5582 GetPositionNumber(); nrOfShuffles = 1;
5584 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5585 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5586 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5588 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5590 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5591 p = (int) board[0][i];
5592 if(p < (int) BlackPawn) piecesLeft[p] ++;
5593 board[0][i] = EmptySquare;
5596 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5597 // shuffles restricted to allow normal castling put KRR first
5598 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5599 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5600 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5601 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5602 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5603 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5604 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5605 put(board, WhiteRook, 0, 0, ANY);
5606 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5609 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5610 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5611 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5612 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5613 while(piecesLeft[p] >= 2) {
5614 AddOnePiece(board, p, 0, LITE);
5615 AddOnePiece(board, p, 0, DARK);
5617 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5620 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5621 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5622 // but we leave King and Rooks for last, to possibly obey FRC restriction
5623 if(p == (int)WhiteRook) continue;
5624 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5625 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5628 // now everything is placed, except perhaps King (Unicorn) and Rooks
5630 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5631 // Last King gets castling rights
5632 while(piecesLeft[(int)WhiteUnicorn]) {
5633 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5634 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5637 while(piecesLeft[(int)WhiteKing]) {
5638 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5639 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5644 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5645 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5648 // Only Rooks can be left; simply place them all
5649 while(piecesLeft[(int)WhiteRook]) {
5650 i = put(board, WhiteRook, 0, 0, ANY);
5651 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5654 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5656 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5659 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5660 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5663 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5666 int SetCharTable( char *table, const char * map )
5667 /* [HGM] moved here from winboard.c because of its general usefulness */
5668 /* Basically a safe strcpy that uses the last character as King */
5670 int result = FALSE; int NrPieces;
5672 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5673 && NrPieces >= 12 && !(NrPieces&1)) {
5674 int i; /* [HGM] Accept even length from 12 to 34 */
5676 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5677 for( i=0; i<NrPieces/2-1; i++ ) {
5679 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5681 table[(int) WhiteKing] = map[NrPieces/2-1];
5682 table[(int) BlackKing] = map[NrPieces-1];
5690 void Prelude(Board board)
5691 { // [HGM] superchess: random selection of exo-pieces
5692 int i, j, k; ChessSquare p;
5693 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5695 GetPositionNumber(); // use FRC position number
5697 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5698 SetCharTable(pieceToChar, appData.pieceToCharTable);
5699 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5700 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5703 j = seed%4; seed /= 4;
5704 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5705 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5706 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5707 j = seed%3 + (seed%3 >= j); seed /= 3;
5708 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5709 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5710 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5711 j = seed%3; seed /= 3;
5712 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5713 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5714 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5715 j = seed%2 + (seed%2 >= j); seed /= 2;
5716 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5717 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5718 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5719 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5720 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5721 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5722 put(board, exoPieces[0], 0, 0, ANY);
5723 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5727 InitPosition(redraw)
5730 ChessSquare (* pieces)[BOARD_FILES];
5731 int i, j, pawnRow, overrule,
5732 oldx = gameInfo.boardWidth,
5733 oldy = gameInfo.boardHeight,
5734 oldh = gameInfo.holdingsWidth;
5737 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5739 /* [AS] Initialize pv info list [HGM] and game status */
5741 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5742 pvInfoList[i].depth = 0;
5743 boards[i][EP_STATUS] = EP_NONE;
5744 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5747 initialRulePlies = 0; /* 50-move counter start */
5749 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5750 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5754 /* [HGM] logic here is completely changed. In stead of full positions */
5755 /* the initialized data only consist of the two backranks. The switch */
5756 /* selects which one we will use, which is than copied to the Board */
5757 /* initialPosition, which for the rest is initialized by Pawns and */
5758 /* empty squares. This initial position is then copied to boards[0], */
5759 /* possibly after shuffling, so that it remains available. */
5761 gameInfo.holdingsWidth = 0; /* default board sizes */
5762 gameInfo.boardWidth = 8;
5763 gameInfo.boardHeight = 8;
5764 gameInfo.holdingsSize = 0;
5765 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5766 for(i=0; i<BOARD_FILES-2; i++)
5767 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5768 initialPosition[EP_STATUS] = EP_NONE;
5769 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5770 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5771 SetCharTable(pieceNickName, appData.pieceNickNames);
5772 else SetCharTable(pieceNickName, "............");
5775 switch (gameInfo.variant) {
5776 case VariantFischeRandom:
5777 shuffleOpenings = TRUE;
5780 case VariantShatranj:
5781 pieces = ShatranjArray;
5782 nrCastlingRights = 0;
5783 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5786 pieces = makrukArray;
5787 nrCastlingRights = 0;
5788 startedFromSetupPosition = TRUE;
5789 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5791 case VariantTwoKings:
5792 pieces = twoKingsArray;
5795 pieces = GrandArray;
5796 nrCastlingRights = 0;
5797 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5798 gameInfo.boardWidth = 10;
5799 gameInfo.boardHeight = 10;
5800 gameInfo.holdingsSize = 7;
5802 case VariantCapaRandom:
5803 shuffleOpenings = TRUE;
5804 case VariantCapablanca:
5805 pieces = CapablancaArray;
5806 gameInfo.boardWidth = 10;
5807 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5810 pieces = GothicArray;
5811 gameInfo.boardWidth = 10;
5812 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5815 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5816 gameInfo.holdingsSize = 7;
5819 pieces = JanusArray;
5820 gameInfo.boardWidth = 10;
5821 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5822 nrCastlingRights = 6;
5823 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5824 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5825 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5826 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5827 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5828 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5831 pieces = FalconArray;
5832 gameInfo.boardWidth = 10;
5833 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5835 case VariantXiangqi:
5836 pieces = XiangqiArray;
5837 gameInfo.boardWidth = 9;
5838 gameInfo.boardHeight = 10;
5839 nrCastlingRights = 0;
5840 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5843 pieces = ShogiArray;
5844 gameInfo.boardWidth = 9;
5845 gameInfo.boardHeight = 9;
5846 gameInfo.holdingsSize = 7;
5847 nrCastlingRights = 0;
5848 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5850 case VariantCourier:
5851 pieces = CourierArray;
5852 gameInfo.boardWidth = 12;
5853 nrCastlingRights = 0;
5854 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5856 case VariantKnightmate:
5857 pieces = KnightmateArray;
5858 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5860 case VariantSpartan:
5861 pieces = SpartanArray;
5862 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5865 pieces = fairyArray;
5866 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5869 pieces = GreatArray;
5870 gameInfo.boardWidth = 10;
5871 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5872 gameInfo.holdingsSize = 8;
5876 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5877 gameInfo.holdingsSize = 8;
5878 startedFromSetupPosition = TRUE;
5880 case VariantCrazyhouse:
5881 case VariantBughouse:
5883 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5884 gameInfo.holdingsSize = 5;
5886 case VariantWildCastle:
5888 /* !!?shuffle with kings guaranteed to be on d or e file */
5889 shuffleOpenings = 1;
5891 case VariantNoCastle:
5893 nrCastlingRights = 0;
5894 /* !!?unconstrained back-rank shuffle */
5895 shuffleOpenings = 1;
5900 if(appData.NrFiles >= 0) {
5901 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5902 gameInfo.boardWidth = appData.NrFiles;
5904 if(appData.NrRanks >= 0) {
5905 gameInfo.boardHeight = appData.NrRanks;
5907 if(appData.holdingsSize >= 0) {
5908 i = appData.holdingsSize;
5909 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5910 gameInfo.holdingsSize = i;
5912 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5913 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5914 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5916 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5917 if(pawnRow < 1) pawnRow = 1;
5918 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5920 /* User pieceToChar list overrules defaults */
5921 if(appData.pieceToCharTable != NULL)
5922 SetCharTable(pieceToChar, appData.pieceToCharTable);
5924 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5926 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5927 s = (ChessSquare) 0; /* account holding counts in guard band */
5928 for( i=0; i<BOARD_HEIGHT; i++ )
5929 initialPosition[i][j] = s;
5931 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5932 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5933 initialPosition[pawnRow][j] = WhitePawn;
5934 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5935 if(gameInfo.variant == VariantXiangqi) {
5937 initialPosition[pawnRow][j] =
5938 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5939 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5940 initialPosition[2][j] = WhiteCannon;
5941 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5945 if(gameInfo.variant == VariantGrand) {
5946 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5947 initialPosition[0][j] = WhiteRook;
5948 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5951 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5953 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5956 initialPosition[1][j] = WhiteBishop;
5957 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5959 initialPosition[1][j] = WhiteRook;
5960 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5963 if( nrCastlingRights == -1) {
5964 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5965 /* This sets default castling rights from none to normal corners */
5966 /* Variants with other castling rights must set them themselves above */
5967 nrCastlingRights = 6;
5969 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5970 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5971 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5972 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5973 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5974 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5977 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5978 if(gameInfo.variant == VariantGreat) { // promotion commoners
5979 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5980 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5981 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5982 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5984 if( gameInfo.variant == VariantSChess ) {
5985 initialPosition[1][0] = BlackMarshall;
5986 initialPosition[2][0] = BlackAngel;
5987 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5988 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5989 initialPosition[1][1] = initialPosition[2][1] =
5990 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5992 if (appData.debugMode) {
5993 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5995 if(shuffleOpenings) {
5996 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5997 startedFromSetupPosition = TRUE;
5999 if(startedFromPositionFile) {
6000 /* [HGM] loadPos: use PositionFile for every new game */
6001 CopyBoard(initialPosition, filePosition);
6002 for(i=0; i<nrCastlingRights; i++)
6003 initialRights[i] = filePosition[CASTLING][i];
6004 startedFromSetupPosition = TRUE;
6007 CopyBoard(boards[0], initialPosition);
6009 if(oldx != gameInfo.boardWidth ||
6010 oldy != gameInfo.boardHeight ||
6011 oldv != gameInfo.variant ||
6012 oldh != gameInfo.holdingsWidth
6014 InitDrawingSizes(-2 ,0);
6016 oldv = gameInfo.variant;
6018 DrawPosition(TRUE, boards[currentMove]);
6022 SendBoard(cps, moveNum)
6023 ChessProgramState *cps;
6026 char message[MSG_SIZ];
6028 if (cps->useSetboard) {
6029 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6030 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6031 SendToProgram(message, cps);
6036 int i, j, left=0, right=BOARD_WIDTH;
6037 /* Kludge to set black to move, avoiding the troublesome and now
6038 * deprecated "black" command.
6040 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6041 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6043 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6045 SendToProgram("edit\n", cps);
6046 SendToProgram("#\n", cps);
6047 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6048 bp = &boards[moveNum][i][left];
6049 for (j = left; j < right; j++, bp++) {
6050 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6051 if ((int) *bp < (int) BlackPawn) {
6052 if(j == BOARD_RGHT+1)
6053 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6054 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6055 if(message[0] == '+' || message[0] == '~') {
6056 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6057 PieceToChar((ChessSquare)(DEMOTED *bp)),
6060 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6061 message[1] = BOARD_RGHT - 1 - j + '1';
6062 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6064 SendToProgram(message, cps);
6069 SendToProgram("c\n", cps);
6070 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6071 bp = &boards[moveNum][i][left];
6072 for (j = left; j < right; j++, bp++) {
6073 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6074 if (((int) *bp != (int) EmptySquare)
6075 && ((int) *bp >= (int) BlackPawn)) {
6076 if(j == BOARD_LEFT-2)
6077 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6078 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6080 if(message[0] == '+' || message[0] == '~') {
6081 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6082 PieceToChar((ChessSquare)(DEMOTED *bp)),
6085 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6086 message[1] = BOARD_RGHT - 1 - j + '1';
6087 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6089 SendToProgram(message, cps);
6094 SendToProgram(".\n", cps);
6096 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6100 DefaultPromoChoice(int white)
6103 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6104 result = WhiteFerz; // no choice
6105 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6106 result= WhiteKing; // in Suicide Q is the last thing we want
6107 else if(gameInfo.variant == VariantSpartan)
6108 result = white ? WhiteQueen : WhiteAngel;
6109 else result = WhiteQueen;
6110 if(!white) result = WHITE_TO_BLACK result;
6114 static int autoQueen; // [HGM] oneclick
6117 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6119 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6120 /* [HGM] add Shogi promotions */
6121 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6126 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6127 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6129 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6130 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6133 piece = boards[currentMove][fromY][fromX];
6134 if(gameInfo.variant == VariantShogi) {
6135 promotionZoneSize = BOARD_HEIGHT/3;
6136 highestPromotingPiece = (int)WhiteFerz;
6137 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6138 promotionZoneSize = 3;
6141 // Treat Lance as Pawn when it is not representing Amazon
6142 if(gameInfo.variant != VariantSuper) {
6143 if(piece == WhiteLance) piece = WhitePawn; else
6144 if(piece == BlackLance) piece = BlackPawn;
6147 // next weed out all moves that do not touch the promotion zone at all
6148 if((int)piece >= BlackPawn) {
6149 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6151 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6153 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6154 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6157 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6159 // weed out mandatory Shogi promotions
6160 if(gameInfo.variant == VariantShogi) {
6161 if(piece >= BlackPawn) {
6162 if(toY == 0 && piece == BlackPawn ||
6163 toY == 0 && piece == BlackQueen ||
6164 toY <= 1 && piece == BlackKnight) {
6169 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6170 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6171 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6178 // weed out obviously illegal Pawn moves
6179 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6180 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6181 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6182 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6183 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6184 // note we are not allowed to test for valid (non-)capture, due to premove
6187 // we either have a choice what to promote to, or (in Shogi) whether to promote
6188 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6189 *promoChoice = PieceToChar(BlackFerz); // no choice
6192 // no sense asking what we must promote to if it is going to explode...
6193 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6194 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6197 // give caller the default choice even if we will not make it
6198 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6199 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6200 if( sweepSelect && gameInfo.variant != VariantGreat
6201 && gameInfo.variant != VariantGrand
6202 && gameInfo.variant != VariantSuper) return FALSE;
6203 if(autoQueen) return FALSE; // predetermined
6205 // suppress promotion popup on illegal moves that are not premoves
6206 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6207 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6208 if(appData.testLegality && !premove) {
6209 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6210 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6211 if(moveType != WhitePromotion && moveType != BlackPromotion)
6219 InPalace(row, column)
6221 { /* [HGM] for Xiangqi */
6222 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6223 column < (BOARD_WIDTH + 4)/2 &&
6224 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6229 PieceForSquare (x, y)
6233 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6236 return boards[currentMove][y][x];
6240 OKToStartUserMove(x, y)
6243 ChessSquare from_piece;
6246 if (matchMode) return FALSE;
6247 if (gameMode == EditPosition) return TRUE;
6249 if (x >= 0 && y >= 0)
6250 from_piece = boards[currentMove][y][x];
6252 from_piece = EmptySquare;
6254 if (from_piece == EmptySquare) return FALSE;
6256 white_piece = (int)from_piece >= (int)WhitePawn &&
6257 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6261 case TwoMachinesPlay:
6269 case MachinePlaysWhite:
6270 case IcsPlayingBlack:
6271 if (appData.zippyPlay) return FALSE;
6273 DisplayMoveError(_("You are playing Black"));
6278 case MachinePlaysBlack:
6279 case IcsPlayingWhite:
6280 if (appData.zippyPlay) return FALSE;
6282 DisplayMoveError(_("You are playing White"));
6287 case PlayFromGameFile:
6288 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6290 if (!white_piece && WhiteOnMove(currentMove)) {
6291 DisplayMoveError(_("It is White's turn"));
6294 if (white_piece && !WhiteOnMove(currentMove)) {
6295 DisplayMoveError(_("It is Black's turn"));
6298 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6299 /* Editing correspondence game history */
6300 /* Could disallow this or prompt for confirmation */
6305 case BeginningOfGame:
6306 if (appData.icsActive) return FALSE;
6307 if (!appData.noChessProgram) {
6309 DisplayMoveError(_("You are playing White"));
6316 if (!white_piece && WhiteOnMove(currentMove)) {
6317 DisplayMoveError(_("It is White's turn"));
6320 if (white_piece && !WhiteOnMove(currentMove)) {
6321 DisplayMoveError(_("It is Black's turn"));
6330 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6331 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6332 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6333 && gameMode != AnalyzeFile && gameMode != Training) {
6334 DisplayMoveError(_("Displayed position is not current"));
6341 OnlyMove(int *x, int *y, Boolean captures) {
6342 DisambiguateClosure cl;
6343 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6345 case MachinePlaysBlack:
6346 case IcsPlayingWhite:
6347 case BeginningOfGame:
6348 if(!WhiteOnMove(currentMove)) return FALSE;
6350 case MachinePlaysWhite:
6351 case IcsPlayingBlack:
6352 if(WhiteOnMove(currentMove)) return FALSE;
6359 cl.pieceIn = EmptySquare;
6364 cl.promoCharIn = NULLCHAR;
6365 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6366 if( cl.kind == NormalMove ||
6367 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6368 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6369 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6376 if(cl.kind != ImpossibleMove) return FALSE;
6377 cl.pieceIn = EmptySquare;
6382 cl.promoCharIn = NULLCHAR;
6383 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6384 if( cl.kind == NormalMove ||
6385 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6386 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6387 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6392 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6398 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6399 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6400 int lastLoadGameUseList = FALSE;
6401 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6402 ChessMove lastLoadGameStart = EndOfFile;
6405 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6406 int fromX, fromY, toX, toY;
6410 ChessSquare pdown, pup;
6412 /* Check if the user is playing in turn. This is complicated because we
6413 let the user "pick up" a piece before it is his turn. So the piece he
6414 tried to pick up may have been captured by the time he puts it down!
6415 Therefore we use the color the user is supposed to be playing in this
6416 test, not the color of the piece that is currently on the starting
6417 square---except in EditGame mode, where the user is playing both
6418 sides; fortunately there the capture race can't happen. (It can
6419 now happen in IcsExamining mode, but that's just too bad. The user
6420 will get a somewhat confusing message in that case.)
6425 case TwoMachinesPlay:
6429 /* We switched into a game mode where moves are not accepted,
6430 perhaps while the mouse button was down. */
6433 case MachinePlaysWhite:
6434 /* User is moving for Black */
6435 if (WhiteOnMove(currentMove)) {
6436 DisplayMoveError(_("It is White's turn"));
6441 case MachinePlaysBlack:
6442 /* User is moving for White */
6443 if (!WhiteOnMove(currentMove)) {
6444 DisplayMoveError(_("It is Black's turn"));
6449 case PlayFromGameFile:
6450 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6453 case BeginningOfGame:
6456 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6457 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6458 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6459 /* User is moving for Black */
6460 if (WhiteOnMove(currentMove)) {
6461 DisplayMoveError(_("It is White's turn"));
6465 /* User is moving for White */
6466 if (!WhiteOnMove(currentMove)) {
6467 DisplayMoveError(_("It is Black's turn"));
6473 case IcsPlayingBlack:
6474 /* User is moving for Black */
6475 if (WhiteOnMove(currentMove)) {
6476 if (!appData.premove) {
6477 DisplayMoveError(_("It is White's turn"));
6478 } else if (toX >= 0 && toY >= 0) {
6481 premoveFromX = fromX;
6482 premoveFromY = fromY;
6483 premovePromoChar = promoChar;
6485 if (appData.debugMode)
6486 fprintf(debugFP, "Got premove: fromX %d,"
6487 "fromY %d, toX %d, toY %d\n",
6488 fromX, fromY, toX, toY);
6494 case IcsPlayingWhite:
6495 /* User is moving for White */
6496 if (!WhiteOnMove(currentMove)) {
6497 if (!appData.premove) {
6498 DisplayMoveError(_("It is Black's turn"));
6499 } else if (toX >= 0 && toY >= 0) {
6502 premoveFromX = fromX;
6503 premoveFromY = fromY;
6504 premovePromoChar = promoChar;
6506 if (appData.debugMode)
6507 fprintf(debugFP, "Got premove: fromX %d,"
6508 "fromY %d, toX %d, toY %d\n",
6509 fromX, fromY, toX, toY);
6519 /* EditPosition, empty square, or different color piece;
6520 click-click move is possible */
6521 if (toX == -2 || toY == -2) {
6522 boards[0][fromY][fromX] = EmptySquare;
6523 DrawPosition(FALSE, boards[currentMove]);
6525 } else if (toX >= 0 && toY >= 0) {
6526 boards[0][toY][toX] = boards[0][fromY][fromX];
6527 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6528 if(boards[0][fromY][0] != EmptySquare) {
6529 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6530 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6533 if(fromX == BOARD_RGHT+1) {
6534 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6535 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6536 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6539 boards[0][fromY][fromX] = EmptySquare;
6540 DrawPosition(FALSE, boards[currentMove]);
6546 if(toX < 0 || toY < 0) return;
6547 pdown = boards[currentMove][fromY][fromX];
6548 pup = boards[currentMove][toY][toX];
6550 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6551 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6552 if( pup != EmptySquare ) return;
6553 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6554 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6555 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6556 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6557 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6558 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6559 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6563 /* [HGM] always test for legality, to get promotion info */
6564 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6565 fromY, fromX, toY, toX, promoChar);
6567 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6569 /* [HGM] but possibly ignore an IllegalMove result */
6570 if (appData.testLegality) {
6571 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6572 DisplayMoveError(_("Illegal move"));
6577 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6580 /* Common tail of UserMoveEvent and DropMenuEvent */
6582 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6584 int fromX, fromY, toX, toY;
6585 /*char*/int promoChar;
6589 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6590 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6591 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6592 if(WhiteOnMove(currentMove)) {
6593 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6595 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6599 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6600 move type in caller when we know the move is a legal promotion */
6601 if(moveType == NormalMove && promoChar)
6602 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6604 /* [HGM] <popupFix> The following if has been moved here from
6605 UserMoveEvent(). Because it seemed to belong here (why not allow
6606 piece drops in training games?), and because it can only be
6607 performed after it is known to what we promote. */
6608 if (gameMode == Training) {
6609 /* compare the move played on the board to the next move in the
6610 * game. If they match, display the move and the opponent's response.
6611 * If they don't match, display an error message.
6615 CopyBoard(testBoard, boards[currentMove]);
6616 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6618 if (CompareBoards(testBoard, boards[currentMove+1])) {
6619 ForwardInner(currentMove+1);
6621 /* Autoplay the opponent's response.
6622 * if appData.animate was TRUE when Training mode was entered,
6623 * the response will be animated.
6625 saveAnimate = appData.animate;
6626 appData.animate = animateTraining;
6627 ForwardInner(currentMove+1);
6628 appData.animate = saveAnimate;
6630 /* check for the end of the game */
6631 if (currentMove >= forwardMostMove) {
6632 gameMode = PlayFromGameFile;
6634 SetTrainingModeOff();
6635 DisplayInformation(_("End of game"));
6638 DisplayError(_("Incorrect move"), 0);
6643 /* Ok, now we know that the move is good, so we can kill
6644 the previous line in Analysis Mode */
6645 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6646 && currentMove < forwardMostMove) {
6647 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6648 else forwardMostMove = currentMove;
6651 /* If we need the chess program but it's dead, restart it */
6652 ResurrectChessProgram();
6654 /* A user move restarts a paused game*/
6658 thinkOutput[0] = NULLCHAR;
6660 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6662 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6663 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6667 if (gameMode == BeginningOfGame) {
6668 if (appData.noChessProgram) {
6669 gameMode = EditGame;
6673 gameMode = MachinePlaysBlack;
6676 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
6678 if (first.sendName) {
6679 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6680 SendToProgram(buf, &first);
6687 /* Relay move to ICS or chess engine */
6688 if (appData.icsActive) {
6689 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6690 gameMode == IcsExamining) {
6691 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6692 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6694 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6696 // also send plain move, in case ICS does not understand atomic claims
6697 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6701 if (first.sendTime && (gameMode == BeginningOfGame ||
6702 gameMode == MachinePlaysWhite ||
6703 gameMode == MachinePlaysBlack)) {
6704 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6706 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6707 // [HGM] book: if program might be playing, let it use book
6708 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6709 first.maybeThinking = TRUE;
6710 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6711 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6712 SendBoard(&first, currentMove+1);
6713 } else SendMoveToProgram(forwardMostMove-1, &first);
6714 if (currentMove == cmailOldMove + 1) {
6715 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6719 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6723 if(appData.testLegality)
6724 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6730 if (WhiteOnMove(currentMove)) {
6731 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6733 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6737 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6742 case MachinePlaysBlack:
6743 case MachinePlaysWhite:
6744 /* disable certain menu options while machine is thinking */
6745 SetMachineThinkingEnables();
6752 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6753 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6755 if(bookHit) { // [HGM] book: simulate book reply
6756 static char bookMove[MSG_SIZ]; // a bit generous?
6758 programStats.nodes = programStats.depth = programStats.time =
6759 programStats.score = programStats.got_only_move = 0;
6760 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6762 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6763 strcat(bookMove, bookHit);
6764 HandleMachineMove(bookMove, &first);
6770 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6777 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6778 Markers *m = (Markers *) closure;
6779 if(rf == fromY && ff == fromX)
6780 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6781 || kind == WhiteCapturesEnPassant
6782 || kind == BlackCapturesEnPassant);
6783 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6787 MarkTargetSquares(int clear)
6790 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6791 !appData.testLegality || gameMode == EditPosition) return;
6793 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6796 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6797 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6798 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6800 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6803 DrawPosition(TRUE, NULL);
6807 Explode(Board board, int fromX, int fromY, int toX, int toY)
6809 if(gameInfo.variant == VariantAtomic &&
6810 (board[toY][toX] != EmptySquare || // capture?
6811 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6812 board[fromY][fromX] == BlackPawn )
6814 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6820 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6822 int CanPromote(ChessSquare piece, int y)
6824 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6825 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6826 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6827 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6828 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6829 gameInfo.variant == VariantMakruk) return FALSE;
6830 return (piece == BlackPawn && y == 1 ||
6831 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6832 piece == BlackLance && y == 1 ||
6833 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6836 void LeftClick(ClickType clickType, int xPix, int yPix)
6839 Boolean saveAnimate;
6840 static int second = 0, promotionChoice = 0, clearFlag = 0;
6841 char promoChoice = NULLCHAR;
6844 if(appData.seekGraph && appData.icsActive && loggedOn &&
6845 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6846 SeekGraphClick(clickType, xPix, yPix, 0);
6850 if (clickType == Press) ErrorPopDown();
6852 x = EventToSquare(xPix, BOARD_WIDTH);
6853 y = EventToSquare(yPix, BOARD_HEIGHT);
6854 if (!flipView && y >= 0) {
6855 y = BOARD_HEIGHT - 1 - y;
6857 if (flipView && x >= 0) {
6858 x = BOARD_WIDTH - 1 - x;
6861 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6862 defaultPromoChoice = promoSweep;
6863 promoSweep = EmptySquare; // terminate sweep
6864 promoDefaultAltered = TRUE;
6865 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6868 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6869 if(clickType == Release) return; // ignore upclick of click-click destination
6870 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6871 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6872 if(gameInfo.holdingsWidth &&
6873 (WhiteOnMove(currentMove)
6874 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6875 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6876 // click in right holdings, for determining promotion piece
6877 ChessSquare p = boards[currentMove][y][x];
6878 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6879 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6880 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6881 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6886 DrawPosition(FALSE, boards[currentMove]);
6890 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6891 if(clickType == Press
6892 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6893 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6894 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6897 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6898 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6900 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6901 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6902 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6903 defaultPromoChoice = DefaultPromoChoice(side);
6906 autoQueen = appData.alwaysPromoteToQueen;
6910 gatingPiece = EmptySquare;
6911 if (clickType != Press) {
6912 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6913 DragPieceEnd(xPix, yPix); dragging = 0;
6914 DrawPosition(FALSE, NULL);
6918 fromX = x; fromY = y; toX = toY = -1;
6919 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6920 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6921 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6923 if (OKToStartUserMove(fromX, fromY)) {
6925 MarkTargetSquares(0);
6926 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6927 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6928 promoSweep = defaultPromoChoice;
6929 selectFlag = 0; lastX = xPix; lastY = yPix;
6930 Sweep(0); // Pawn that is going to promote: preview promotion piece
6931 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6933 if (appData.highlightDragging) {
6934 SetHighlights(fromX, fromY, -1, -1);
6936 } else fromX = fromY = -1;
6942 if (clickType == Press && gameMode != EditPosition) {
6947 // ignore off-board to clicks
6948 if(y < 0 || x < 0) return;
6950 /* Check if clicking again on the same color piece */
6951 fromP = boards[currentMove][fromY][fromX];
6952 toP = boards[currentMove][y][x];
6953 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6954 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6955 WhitePawn <= toP && toP <= WhiteKing &&
6956 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6957 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6958 (BlackPawn <= fromP && fromP <= BlackKing &&
6959 BlackPawn <= toP && toP <= BlackKing &&
6960 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6961 !(fromP == BlackKing && toP == BlackRook && frc))) {
6962 /* Clicked again on same color piece -- changed his mind */
6963 second = (x == fromX && y == fromY);
6964 promoDefaultAltered = FALSE;
6965 MarkTargetSquares(1);
6966 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6967 if (appData.highlightDragging) {
6968 SetHighlights(x, y, -1, -1);
6972 if (OKToStartUserMove(x, y)) {
6973 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6974 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6975 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6976 gatingPiece = boards[currentMove][fromY][fromX];
6977 else gatingPiece = EmptySquare;
6979 fromY = y; dragging = 1;
6980 MarkTargetSquares(0);
6981 DragPieceBegin(xPix, yPix, FALSE);
6982 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6983 promoSweep = defaultPromoChoice;
6984 selectFlag = 0; lastX = xPix; lastY = yPix;
6985 Sweep(0); // Pawn that is going to promote: preview promotion piece
6989 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6992 // ignore clicks on holdings
6993 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6996 if (clickType == Release && x == fromX && y == fromY) {
6997 DragPieceEnd(xPix, yPix); dragging = 0;
6999 // a deferred attempt to click-click move an empty square on top of a piece
7000 boards[currentMove][y][x] = EmptySquare;
7002 DrawPosition(FALSE, boards[currentMove]);
7003 fromX = fromY = -1; clearFlag = 0;
7006 if (appData.animateDragging) {
7007 /* Undo animation damage if any */
7008 DrawPosition(FALSE, NULL);
7011 /* Second up/down in same square; just abort move */
7014 gatingPiece = EmptySquare;
7017 ClearPremoveHighlights();
7019 /* First upclick in same square; start click-click mode */
7020 SetHighlights(x, y, -1, -1);
7027 /* we now have a different from- and (possibly off-board) to-square */
7028 /* Completed move */
7031 saveAnimate = appData.animate;
7032 MarkTargetSquares(1);
7033 if (clickType == Press) {
7034 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7035 // must be Edit Position mode with empty-square selected
7036 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7037 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7040 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7041 ChessSquare piece = boards[currentMove][fromY][fromX];
7042 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7043 promoSweep = defaultPromoChoice;
7044 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7045 selectFlag = 0; lastX = xPix; lastY = yPix;
7046 Sweep(0); // Pawn that is going to promote: preview promotion piece
7047 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7048 DrawPosition(FALSE, boards[currentMove]);
7051 /* Finish clickclick move */
7052 if (appData.animate || appData.highlightLastMove) {
7053 SetHighlights(fromX, fromY, toX, toY);
7058 /* Finish drag move */
7059 if (appData.highlightLastMove) {
7060 SetHighlights(fromX, fromY, toX, toY);
7064 DragPieceEnd(xPix, yPix); dragging = 0;
7065 /* Don't animate move and drag both */
7066 appData.animate = FALSE;
7069 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7070 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7071 ChessSquare piece = boards[currentMove][fromY][fromX];
7072 if(gameMode == EditPosition && piece != EmptySquare &&
7073 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7076 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7077 n = PieceToNumber(piece - (int)BlackPawn);
7078 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7079 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7080 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7082 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7083 n = PieceToNumber(piece);
7084 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7085 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7086 boards[currentMove][n][BOARD_WIDTH-2]++;
7088 boards[currentMove][fromY][fromX] = EmptySquare;
7092 DrawPosition(TRUE, boards[currentMove]);
7096 // off-board moves should not be highlighted
7097 if(x < 0 || y < 0) ClearHighlights();
7099 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7101 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7102 SetHighlights(fromX, fromY, toX, toY);
7103 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7104 // [HGM] super: promotion to captured piece selected from holdings
7105 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7106 promotionChoice = TRUE;
7107 // kludge follows to temporarily execute move on display, without promoting yet
7108 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7109 boards[currentMove][toY][toX] = p;
7110 DrawPosition(FALSE, boards[currentMove]);
7111 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7112 boards[currentMove][toY][toX] = q;
7113 DisplayMessage("Click in holdings to choose piece", "");
7118 int oldMove = currentMove;
7119 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7120 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7121 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7122 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7123 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7124 DrawPosition(TRUE, boards[currentMove]);
7127 appData.animate = saveAnimate;
7128 if (appData.animate || appData.animateDragging) {
7129 /* Undo animation damage if needed */
7130 DrawPosition(FALSE, NULL);
7134 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7135 { // front-end-free part taken out of PieceMenuPopup
7136 int whichMenu; int xSqr, ySqr;
7138 if(seekGraphUp) { // [HGM] seekgraph
7139 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7140 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7144 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7145 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7146 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7147 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7148 if(action == Press) {
7149 originalFlip = flipView;
7150 flipView = !flipView; // temporarily flip board to see game from partners perspective
7151 DrawPosition(TRUE, partnerBoard);
7152 DisplayMessage(partnerStatus, "");
7154 } else if(action == Release) {
7155 flipView = originalFlip;
7156 DrawPosition(TRUE, boards[currentMove]);
7162 xSqr = EventToSquare(x, BOARD_WIDTH);
7163 ySqr = EventToSquare(y, BOARD_HEIGHT);
7164 if (action == Release) {
7165 if(pieceSweep != EmptySquare) {
7166 EditPositionMenuEvent(pieceSweep, toX, toY);
7167 pieceSweep = EmptySquare;
7168 } else UnLoadPV(); // [HGM] pv
7170 if (action != Press) return -2; // return code to be ignored
7173 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7175 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7176 if (xSqr < 0 || ySqr < 0) return -1;
7177 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7178 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7179 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7180 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7184 if(!appData.icsEngineAnalyze) return -1;
7185 case IcsPlayingWhite:
7186 case IcsPlayingBlack:
7187 if(!appData.zippyPlay) goto noZip;
7190 case MachinePlaysWhite:
7191 case MachinePlaysBlack:
7192 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7193 if (!appData.dropMenu) {
7195 return 2; // flag front-end to grab mouse events
7197 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7198 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7201 if (xSqr < 0 || ySqr < 0) return -1;
7202 if (!appData.dropMenu || appData.testLegality &&
7203 gameInfo.variant != VariantBughouse &&
7204 gameInfo.variant != VariantCrazyhouse) return -1;
7205 whichMenu = 1; // drop menu
7211 if (((*fromX = xSqr) < 0) ||
7212 ((*fromY = ySqr) < 0)) {
7213 *fromX = *fromY = -1;
7217 *fromX = BOARD_WIDTH - 1 - *fromX;
7219 *fromY = BOARD_HEIGHT - 1 - *fromY;
7224 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7226 // char * hint = lastHint;
7227 FrontEndProgramStats stats;
7229 stats.which = cps == &first ? 0 : 1;
7230 stats.depth = cpstats->depth;
7231 stats.nodes = cpstats->nodes;
7232 stats.score = cpstats->score;
7233 stats.time = cpstats->time;
7234 stats.pv = cpstats->movelist;
7235 stats.hint = lastHint;
7236 stats.an_move_index = 0;
7237 stats.an_move_count = 0;
7239 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7240 stats.hint = cpstats->move_name;
7241 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7242 stats.an_move_count = cpstats->nr_moves;
7245 if(stats.pv && stats.pv[0]) safeStrCpy(lastPV[stats.which], stats.pv, sizeof(lastPV[stats.which])/sizeof(lastPV[stats.which][0])); // [HGM] pv: remember last PV of each
7247 SetProgramStats( &stats );
7251 ClearEngineOutputPane(int which)
7253 static FrontEndProgramStats dummyStats;
7254 dummyStats.which = which;
7255 dummyStats.pv = "#";
7256 SetProgramStats( &dummyStats );
7259 #define MAXPLAYERS 500
7262 TourneyStandings(int display)
7264 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7265 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7266 char result, *p, *names[MAXPLAYERS];
7268 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7269 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7270 names[0] = p = strdup(appData.participants);
7271 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7273 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7275 while(result = appData.results[nr]) {
7276 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7277 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7278 wScore = bScore = 0;
7280 case '+': wScore = 2; break;
7281 case '-': bScore = 2; break;
7282 case '=': wScore = bScore = 1; break;
7284 case '*': return strdup("busy"); // tourney not finished
7292 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7293 for(w=0; w<nPlayers; w++) {
7295 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7296 ranking[w] = b; points[w] = bScore; score[b] = -2;
7298 p = malloc(nPlayers*34+1);
7299 for(w=0; w<nPlayers && w<display; w++)
7300 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7306 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7307 { // count all piece types
7309 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7310 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7311 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7314 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7315 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7316 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7317 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7318 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7319 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7324 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7326 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7327 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7329 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7330 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7331 if(myPawns == 2 && nMine == 3) // KPP
7332 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7333 if(myPawns == 1 && nMine == 2) // KP
7334 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7335 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7336 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7337 if(myPawns) return FALSE;
7338 if(pCnt[WhiteRook+side])
7339 return pCnt[BlackRook-side] ||
7340 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7341 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7342 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7343 if(pCnt[WhiteCannon+side]) {
7344 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7345 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7347 if(pCnt[WhiteKnight+side])
7348 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7353 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7355 VariantClass v = gameInfo.variant;
7357 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7358 if(v == VariantShatranj) return TRUE; // always winnable through baring
7359 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7360 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7362 if(v == VariantXiangqi) {
7363 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7365 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7366 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7367 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7368 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7369 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7370 if(stale) // we have at least one last-rank P plus perhaps C
7371 return majors // KPKX
7372 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7374 return pCnt[WhiteFerz+side] // KCAK
7375 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7376 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7377 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7379 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7380 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7382 if(nMine == 1) return FALSE; // bare King
7383 if(nBishops && bisColor == 3) return TRUE; // There must be a second B/A/F, which can either block (his) or attack (mine) the escape square
7384 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7385 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7386 // by now we have King + 1 piece (or multiple Bishops on the same color)
7387 if(pCnt[WhiteKnight+side])
7388 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7389 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7390 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7392 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7393 if(pCnt[WhiteAlfil+side])
7394 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7395 if(pCnt[WhiteWazir+side])
7396 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7403 CompareWithRights(Board b1, Board b2)
7406 if(!CompareBoards(b1, b2)) return FALSE;
7407 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7408 /* compare castling rights */
7409 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7410 rights++; /* King lost rights, while rook still had them */
7411 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7412 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7413 rights++; /* but at least one rook lost them */
7415 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7417 if( b1[CASTLING][5] != NoRights ) {
7418 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7425 Adjudicate(ChessProgramState *cps)
7426 { // [HGM] some adjudications useful with buggy engines
7427 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7428 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7429 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7430 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7431 int k, count = 0; static int bare = 1;
7432 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7433 Boolean canAdjudicate = !appData.icsActive;
7435 // most tests only when we understand the game, i.e. legality-checking on
7436 if( appData.testLegality )
7437 { /* [HGM] Some more adjudications for obstinate engines */
7438 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7439 static int moveCount = 6;
7441 char *reason = NULL;
7443 /* Count what is on board. */
7444 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7446 /* Some material-based adjudications that have to be made before stalemate test */
7447 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7448 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7449 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7450 if(canAdjudicate && appData.checkMates) {
7452 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7453 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7454 "Xboard adjudication: King destroyed", GE_XBOARD );
7459 /* Bare King in Shatranj (loses) or Losers (wins) */
7460 if( nrW == 1 || nrB == 1) {
7461 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7462 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7463 if(canAdjudicate && appData.checkMates) {
7465 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7466 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7467 "Xboard adjudication: Bare king", GE_XBOARD );
7471 if( gameInfo.variant == VariantShatranj && --bare < 0)
7473 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7474 if(canAdjudicate && appData.checkMates) {
7475 /* but only adjudicate if adjudication enabled */
7477 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7478 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7479 "Xboard adjudication: Bare king", GE_XBOARD );
7486 // don't wait for engine to announce game end if we can judge ourselves
7487 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7489 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7490 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7491 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7492 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7495 reason = "Xboard adjudication: 3rd check";
7496 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7506 reason = "Xboard adjudication: Stalemate";
7507 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7508 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7509 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7510 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7511 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7512 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7513 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7514 EP_CHECKMATE : EP_WINS);
7515 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7516 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7520 reason = "Xboard adjudication: Checkmate";
7521 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7525 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7527 result = GameIsDrawn; break;
7529 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7531 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7535 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7537 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7538 GameEnds( result, reason, GE_XBOARD );
7542 /* Next absolutely insufficient mating material. */
7543 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7544 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7545 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7547 /* always flag draws, for judging claims */
7548 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7550 if(canAdjudicate && appData.materialDraws) {
7551 /* but only adjudicate them if adjudication enabled */
7552 if(engineOpponent) {
7553 SendToProgram("force\n", engineOpponent); // suppress reply
7554 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7556 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7561 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7562 if(gameInfo.variant == VariantXiangqi ?
7563 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7565 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7566 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7567 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7568 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7570 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7571 { /* if the first 3 moves do not show a tactical win, declare draw */
7572 if(engineOpponent) {
7573 SendToProgram("force\n", engineOpponent); // suppress reply
7574 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7576 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7579 } else moveCount = 6;
7581 if (appData.debugMode) { int i;
7582 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7583 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7584 appData.drawRepeats);
7585 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7586 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7590 // Repetition draws and 50-move rule can be applied independently of legality testing
7592 /* Check for rep-draws */
7594 for(k = forwardMostMove-2;
7595 k>=backwardMostMove && k>=forwardMostMove-100 &&
7596 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7597 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7600 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7601 /* compare castling rights */
7602 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7603 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7604 rights++; /* King lost rights, while rook still had them */
7605 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7606 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7607 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7608 rights++; /* but at least one rook lost them */
7610 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7611 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7613 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7614 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7615 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7618 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7619 && appData.drawRepeats > 1) {
7620 /* adjudicate after user-specified nr of repeats */
7621 int result = GameIsDrawn;
7622 char *details = "XBoard adjudication: repetition draw";
7623 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7624 // [HGM] xiangqi: check for forbidden perpetuals
7625 int m, ourPerpetual = 1, hisPerpetual = 1;
7626 for(m=forwardMostMove; m>k; m-=2) {
7627 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7628 ourPerpetual = 0; // the current mover did not always check
7629 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7630 hisPerpetual = 0; // the opponent did not always check
7632 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7633 ourPerpetual, hisPerpetual);
7634 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7635 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7636 details = "Xboard adjudication: perpetual checking";
7638 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7639 break; // (or we would have caught him before). Abort repetition-checking loop.
7641 // Now check for perpetual chases
7642 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7643 hisPerpetual = PerpetualChase(k, forwardMostMove);
7644 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7645 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7646 static char resdet[MSG_SIZ];
7647 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7649 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7651 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7652 break; // Abort repetition-checking loop.
7654 // if neither of us is checking or chasing all the time, or both are, it is draw
7656 if(engineOpponent) {
7657 SendToProgram("force\n", engineOpponent); // suppress reply
7658 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7660 GameEnds( result, details, GE_XBOARD );
7663 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7664 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7668 /* Now we test for 50-move draws. Determine ply count */
7669 count = forwardMostMove;
7670 /* look for last irreversble move */
7671 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7673 /* if we hit starting position, add initial plies */
7674 if( count == backwardMostMove )
7675 count -= initialRulePlies;
7676 count = forwardMostMove - count;
7677 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7678 // adjust reversible move counter for checks in Xiangqi
7679 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7680 if(i < backwardMostMove) i = backwardMostMove;
7681 while(i <= forwardMostMove) {
7682 lastCheck = inCheck; // check evasion does not count
7683 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7684 if(inCheck || lastCheck) count--; // check does not count
7689 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7690 /* this is used to judge if draw claims are legal */
7691 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7692 if(engineOpponent) {
7693 SendToProgram("force\n", engineOpponent); // suppress reply
7694 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7696 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7700 /* if draw offer is pending, treat it as a draw claim
7701 * when draw condition present, to allow engines a way to
7702 * claim draws before making their move to avoid a race
7703 * condition occurring after their move
7705 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7707 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7708 p = "Draw claim: 50-move rule";
7709 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7710 p = "Draw claim: 3-fold repetition";
7711 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7712 p = "Draw claim: insufficient mating material";
7713 if( p != NULL && canAdjudicate) {
7714 if(engineOpponent) {
7715 SendToProgram("force\n", engineOpponent); // suppress reply
7716 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7718 GameEnds( GameIsDrawn, p, GE_XBOARD );
7723 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7724 if(engineOpponent) {
7725 SendToProgram("force\n", engineOpponent); // suppress reply
7726 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7728 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7734 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7735 { // [HGM] book: this routine intercepts moves to simulate book replies
7736 char *bookHit = NULL;
7738 //first determine if the incoming move brings opponent into his book
7739 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7740 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7741 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7742 if(bookHit != NULL && !cps->bookSuspend) {
7743 // make sure opponent is not going to reply after receiving move to book position
7744 SendToProgram("force\n", cps);
7745 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7747 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7748 // now arrange restart after book miss
7750 // after a book hit we never send 'go', and the code after the call to this routine
7751 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7752 char buf[MSG_SIZ], *move = bookHit;
7754 int fromX, fromY, toX, toY;
7758 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7759 &fromX, &fromY, &toX, &toY, &promoChar)) {
7760 (void) CoordsToAlgebraic(boards[forwardMostMove],
7761 PosFlags(forwardMostMove),
7762 fromY, fromX, toY, toX, promoChar, move);
7764 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7768 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7769 SendToProgram(buf, cps);
7770 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7771 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7772 SendToProgram("go\n", cps);
7773 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7774 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7775 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7776 SendToProgram("go\n", cps);
7777 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7779 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7783 ChessProgramState *savedState;
7784 void DeferredBookMove(void)
7786 if(savedState->lastPing != savedState->lastPong)
7787 ScheduleDelayedEvent(DeferredBookMove, 10);
7789 HandleMachineMove(savedMessage, savedState);
7792 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7795 HandleMachineMove(message, cps)
7797 ChessProgramState *cps;
7799 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7800 char realname[MSG_SIZ];
7801 int fromX, fromY, toX, toY;
7808 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7809 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7810 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7811 DisplayError(_("Invalid pairing from pairing engine"), 0);
7814 pairingReceived = 1;
7816 return; // Skim the pairing messages here.
7821 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7823 * Kludge to ignore BEL characters
7825 while (*message == '\007') message++;
7828 * [HGM] engine debug message: ignore lines starting with '#' character
7830 if(cps->debug && *message == '#') return;
7833 * Look for book output
7835 if (cps == &first && bookRequested) {
7836 if (message[0] == '\t' || message[0] == ' ') {
7837 /* Part of the book output is here; append it */
7838 strcat(bookOutput, message);
7839 strcat(bookOutput, " \n");
7841 } else if (bookOutput[0] != NULLCHAR) {
7842 /* All of book output has arrived; display it */
7843 char *p = bookOutput;
7844 while (*p != NULLCHAR) {
7845 if (*p == '\t') *p = ' ';
7848 DisplayInformation(bookOutput);
7849 bookRequested = FALSE;
7850 /* Fall through to parse the current output */
7855 * Look for machine move.
7857 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7858 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7860 /* This method is only useful on engines that support ping */
7861 if (cps->lastPing != cps->lastPong) {
7862 if (gameMode == BeginningOfGame) {
7863 /* Extra move from before last new; ignore */
7864 if (appData.debugMode) {
7865 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7868 if (appData.debugMode) {
7869 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7870 cps->which, gameMode);
7873 SendToProgram("undo\n", cps);
7879 case BeginningOfGame:
7880 /* Extra move from before last reset; ignore */
7881 if (appData.debugMode) {
7882 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7889 /* Extra move after we tried to stop. The mode test is
7890 not a reliable way of detecting this problem, but it's
7891 the best we can do on engines that don't support ping.
7893 if (appData.debugMode) {
7894 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7895 cps->which, gameMode);
7897 SendToProgram("undo\n", cps);
7900 case MachinePlaysWhite:
7901 case IcsPlayingWhite:
7902 machineWhite = TRUE;
7905 case MachinePlaysBlack:
7906 case IcsPlayingBlack:
7907 machineWhite = FALSE;
7910 case TwoMachinesPlay:
7911 machineWhite = (cps->twoMachinesColor[0] == 'w');
7914 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7915 if (appData.debugMode) {
7917 "Ignoring move out of turn by %s, gameMode %d"
7918 ", forwardMost %d\n",
7919 cps->which, gameMode, forwardMostMove);
7924 if (appData.debugMode) { int f = forwardMostMove;
7925 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7926 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7927 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7929 if(cps->alphaRank) AlphaRank(machineMove, 4);
7930 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7931 &fromX, &fromY, &toX, &toY, &promoChar)) {
7932 /* Machine move could not be parsed; ignore it. */
7933 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7934 machineMove, _(cps->which));
7935 DisplayError(buf1, 0);
7936 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7937 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7938 if (gameMode == TwoMachinesPlay) {
7939 GameEnds(machineWhite ? BlackWins : WhiteWins,
7945 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7946 /* So we have to redo legality test with true e.p. status here, */
7947 /* to make sure an illegal e.p. capture does not slip through, */
7948 /* to cause a forfeit on a justified illegal-move complaint */
7949 /* of the opponent. */
7950 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7952 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7953 fromY, fromX, toY, toX, promoChar);
7954 if (appData.debugMode) {
7956 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7957 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7958 fprintf(debugFP, "castling rights\n");
7960 if(moveType == IllegalMove) {
7961 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7962 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7963 GameEnds(machineWhite ? BlackWins : WhiteWins,
7966 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7967 /* [HGM] Kludge to handle engines that send FRC-style castling
7968 when they shouldn't (like TSCP-Gothic) */
7970 case WhiteASideCastleFR:
7971 case BlackASideCastleFR:
7973 currentMoveString[2]++;
7975 case WhiteHSideCastleFR:
7976 case BlackHSideCastleFR:
7978 currentMoveString[2]--;
7980 default: ; // nothing to do, but suppresses warning of pedantic compilers
7983 hintRequested = FALSE;
7984 lastHint[0] = NULLCHAR;
7985 bookRequested = FALSE;
7986 /* Program may be pondering now */
7987 cps->maybeThinking = TRUE;
7988 if (cps->sendTime == 2) cps->sendTime = 1;
7989 if (cps->offeredDraw) cps->offeredDraw--;
7991 /* [AS] Save move info*/
7992 pvInfoList[ forwardMostMove ].score = programStats.score;
7993 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7994 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7996 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7998 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7999 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8002 while( count < adjudicateLossPlies ) {
8003 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8006 score = -score; /* Flip score for winning side */
8009 if( score > adjudicateLossThreshold ) {
8016 if( count >= adjudicateLossPlies ) {
8017 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8019 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8020 "Xboard adjudication",
8027 if(Adjudicate(cps)) {
8028 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8029 return; // [HGM] adjudicate: for all automatic game ends
8033 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8035 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8036 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8038 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8040 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8042 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8043 char buf[3*MSG_SIZ];
8045 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8046 programStats.score / 100.,
8048 programStats.time / 100.,
8049 (unsigned int)programStats.nodes,
8050 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8051 programStats.movelist);
8053 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8058 /* [AS] Clear stats for next move */
8059 ClearProgramStats();
8060 thinkOutput[0] = NULLCHAR;
8061 hiddenThinkOutputState = 0;
8064 if (gameMode == TwoMachinesPlay) {
8065 /* [HGM] relaying draw offers moved to after reception of move */
8066 /* and interpreting offer as claim if it brings draw condition */
8067 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8068 SendToProgram("draw\n", cps->other);
8070 if (cps->other->sendTime) {
8071 SendTimeRemaining(cps->other,
8072 cps->other->twoMachinesColor[0] == 'w');
8074 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8075 if (firstMove && !bookHit) {
8077 if (cps->other->useColors) {
8078 SendToProgram(cps->other->twoMachinesColor, cps->other);
8080 SendToProgram("go\n", cps->other);
8082 cps->other->maybeThinking = TRUE;
8085 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8087 if (!pausing && appData.ringBellAfterMoves) {
8092 * Reenable menu items that were disabled while
8093 * machine was thinking
8095 if (gameMode != TwoMachinesPlay)
8096 SetUserThinkingEnables();
8098 // [HGM] book: after book hit opponent has received move and is now in force mode
8099 // force the book reply into it, and then fake that it outputted this move by jumping
8100 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8102 static char bookMove[MSG_SIZ]; // a bit generous?
8104 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8105 strcat(bookMove, bookHit);
8108 programStats.nodes = programStats.depth = programStats.time =
8109 programStats.score = programStats.got_only_move = 0;
8110 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8112 if(cps->lastPing != cps->lastPong) {
8113 savedMessage = message; // args for deferred call
8115 ScheduleDelayedEvent(DeferredBookMove, 10);
8124 /* Set special modes for chess engines. Later something general
8125 * could be added here; for now there is just one kludge feature,
8126 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8127 * when "xboard" is given as an interactive command.
8129 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8130 cps->useSigint = FALSE;
8131 cps->useSigterm = FALSE;
8133 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8134 ParseFeatures(message+8, cps);
8135 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8138 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8139 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8140 int dummy, s=6; char buf[MSG_SIZ];
8141 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8142 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8143 if(startedFromSetupPosition) return;
8144 ParseFEN(boards[0], &dummy, message+s);
8145 DrawPosition(TRUE, boards[0]);
8146 startedFromSetupPosition = TRUE;
8149 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8150 * want this, I was asked to put it in, and obliged.
8152 if (!strncmp(message, "setboard ", 9)) {
8153 Board initial_position;
8155 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8157 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8158 DisplayError(_("Bad FEN received from engine"), 0);
8162 CopyBoard(boards[0], initial_position);
8163 initialRulePlies = FENrulePlies;
8164 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8165 else gameMode = MachinePlaysBlack;
8166 DrawPosition(FALSE, boards[currentMove]);
8172 * Look for communication commands
8174 if (!strncmp(message, "telluser ", 9)) {
8175 if(message[9] == '\\' && message[10] == '\\')
8176 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8178 DisplayNote(message + 9);
8181 if (!strncmp(message, "tellusererror ", 14)) {
8183 if(message[14] == '\\' && message[15] == '\\')
8184 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8186 DisplayError(message + 14, 0);
8189 if (!strncmp(message, "tellopponent ", 13)) {
8190 if (appData.icsActive) {
8192 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8196 DisplayNote(message + 13);
8200 if (!strncmp(message, "tellothers ", 11)) {
8201 if (appData.icsActive) {
8203 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8209 if (!strncmp(message, "tellall ", 8)) {
8210 if (appData.icsActive) {
8212 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8216 DisplayNote(message + 8);
8220 if (strncmp(message, "warning", 7) == 0) {
8221 /* Undocumented feature, use tellusererror in new code */
8222 DisplayError(message, 0);
8225 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8226 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8227 strcat(realname, " query");
8228 AskQuestion(realname, buf2, buf1, cps->pr);
8231 /* Commands from the engine directly to ICS. We don't allow these to be
8232 * sent until we are logged on. Crafty kibitzes have been known to
8233 * interfere with the login process.
8236 if (!strncmp(message, "tellics ", 8)) {
8237 SendToICS(message + 8);
8241 if (!strncmp(message, "tellicsnoalias ", 15)) {
8242 SendToICS(ics_prefix);
8243 SendToICS(message + 15);
8247 /* The following are for backward compatibility only */
8248 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8249 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8250 SendToICS(ics_prefix);
8256 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8260 * If the move is illegal, cancel it and redraw the board.
8261 * Also deal with other error cases. Matching is rather loose
8262 * here to accommodate engines written before the spec.
8264 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8265 strncmp(message, "Error", 5) == 0) {
8266 if (StrStr(message, "name") ||
8267 StrStr(message, "rating") || StrStr(message, "?") ||
8268 StrStr(message, "result") || StrStr(message, "board") ||
8269 StrStr(message, "bk") || StrStr(message, "computer") ||
8270 StrStr(message, "variant") || StrStr(message, "hint") ||
8271 StrStr(message, "random") || StrStr(message, "depth") ||
8272 StrStr(message, "accepted")) {
8275 if (StrStr(message, "protover")) {
8276 /* Program is responding to input, so it's apparently done
8277 initializing, and this error message indicates it is
8278 protocol version 1. So we don't need to wait any longer
8279 for it to initialize and send feature commands. */
8280 FeatureDone(cps, 1);
8281 cps->protocolVersion = 1;
8284 cps->maybeThinking = FALSE;
8286 if (StrStr(message, "draw")) {
8287 /* Program doesn't have "draw" command */
8288 cps->sendDrawOffers = 0;
8291 if (cps->sendTime != 1 &&
8292 (StrStr(message, "time") || StrStr(message, "otim"))) {
8293 /* Program apparently doesn't have "time" or "otim" command */
8297 if (StrStr(message, "analyze")) {
8298 cps->analysisSupport = FALSE;
8299 cps->analyzing = FALSE;
8300 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8301 EditGameEvent(); // [HGM] try to preserve loaded game
8302 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8303 DisplayError(buf2, 0);
8306 if (StrStr(message, "(no matching move)st")) {
8307 /* Special kludge for GNU Chess 4 only */
8308 cps->stKludge = TRUE;
8309 SendTimeControl(cps, movesPerSession, timeControl,
8310 timeIncrement, appData.searchDepth,
8314 if (StrStr(message, "(no matching move)sd")) {
8315 /* Special kludge for GNU Chess 4 only */
8316 cps->sdKludge = TRUE;
8317 SendTimeControl(cps, movesPerSession, timeControl,
8318 timeIncrement, appData.searchDepth,
8322 if (!StrStr(message, "llegal")) {
8325 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8326 gameMode == IcsIdle) return;
8327 if (forwardMostMove <= backwardMostMove) return;
8328 if (pausing) PauseEvent();
8329 if(appData.forceIllegal) {
8330 // [HGM] illegal: machine refused move; force position after move into it
8331 SendToProgram("force\n", cps);
8332 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8333 // we have a real problem now, as SendBoard will use the a2a3 kludge
8334 // when black is to move, while there might be nothing on a2 or black
8335 // might already have the move. So send the board as if white has the move.
8336 // But first we must change the stm of the engine, as it refused the last move
8337 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8338 if(WhiteOnMove(forwardMostMove)) {
8339 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8340 SendBoard(cps, forwardMostMove); // kludgeless board
8342 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8343 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8344 SendBoard(cps, forwardMostMove+1); // kludgeless board
8346 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8347 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8348 gameMode == TwoMachinesPlay)
8349 SendToProgram("go\n", cps);
8352 if (gameMode == PlayFromGameFile) {
8353 /* Stop reading this game file */
8354 gameMode = EditGame;
8357 /* [HGM] illegal-move claim should forfeit game when Xboard */
8358 /* only passes fully legal moves */
8359 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8360 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8361 "False illegal-move claim", GE_XBOARD );
8362 return; // do not take back move we tested as valid
8364 currentMove = forwardMostMove-1;
8365 DisplayMove(currentMove-1); /* before DisplayMoveError */
8366 SwitchClocks(forwardMostMove-1); // [HGM] race
8367 DisplayBothClocks();
8368 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8369 parseList[currentMove], _(cps->which));
8370 DisplayMoveError(buf1);
8371 DrawPosition(FALSE, boards[currentMove]);
8373 SetUserThinkingEnables();
8376 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8377 /* Program has a broken "time" command that
8378 outputs a string not ending in newline.
8384 * If chess program startup fails, exit with an error message.
8385 * Attempts to recover here are futile.
8387 if ((StrStr(message, "unknown host") != NULL)
8388 || (StrStr(message, "No remote directory") != NULL)
8389 || (StrStr(message, "not found") != NULL)
8390 || (StrStr(message, "No such file") != NULL)
8391 || (StrStr(message, "can't alloc") != NULL)
8392 || (StrStr(message, "Permission denied") != NULL)) {
8394 cps->maybeThinking = FALSE;
8395 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8396 _(cps->which), cps->program, cps->host, message);
8397 RemoveInputSource(cps->isr);
8398 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8399 if(cps == &first) appData.noChessProgram = TRUE;
8400 DisplayError(buf1, 0);
8406 * Look for hint output
8408 if (sscanf(message, "Hint: %s", buf1) == 1) {
8409 if (cps == &first && hintRequested) {
8410 hintRequested = FALSE;
8411 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8412 &fromX, &fromY, &toX, &toY, &promoChar)) {
8413 (void) CoordsToAlgebraic(boards[forwardMostMove],
8414 PosFlags(forwardMostMove),
8415 fromY, fromX, toY, toX, promoChar, buf1);
8416 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8417 DisplayInformation(buf2);
8419 /* Hint move could not be parsed!? */
8420 snprintf(buf2, sizeof(buf2),
8421 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8422 buf1, _(cps->which));
8423 DisplayError(buf2, 0);
8426 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8432 * Ignore other messages if game is not in progress
8434 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8435 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8438 * look for win, lose, draw, or draw offer
8440 if (strncmp(message, "1-0", 3) == 0) {
8441 char *p, *q, *r = "";
8442 p = strchr(message, '{');
8450 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8452 } else if (strncmp(message, "0-1", 3) == 0) {
8453 char *p, *q, *r = "";
8454 p = strchr(message, '{');
8462 /* Kludge for Arasan 4.1 bug */
8463 if (strcmp(r, "Black resigns") == 0) {
8464 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8467 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8469 } else if (strncmp(message, "1/2", 3) == 0) {
8470 char *p, *q, *r = "";
8471 p = strchr(message, '{');
8480 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8483 } else if (strncmp(message, "White resign", 12) == 0) {
8484 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8486 } else if (strncmp(message, "Black resign", 12) == 0) {
8487 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8489 } else if (strncmp(message, "White matches", 13) == 0 ||
8490 strncmp(message, "Black matches", 13) == 0 ) {
8491 /* [HGM] ignore GNUShogi noises */
8493 } else if (strncmp(message, "White", 5) == 0 &&
8494 message[5] != '(' &&
8495 StrStr(message, "Black") == NULL) {
8496 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8498 } else if (strncmp(message, "Black", 5) == 0 &&
8499 message[5] != '(') {
8500 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8502 } else if (strcmp(message, "resign") == 0 ||
8503 strcmp(message, "computer resigns") == 0) {
8505 case MachinePlaysBlack:
8506 case IcsPlayingBlack:
8507 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8509 case MachinePlaysWhite:
8510 case IcsPlayingWhite:
8511 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8513 case TwoMachinesPlay:
8514 if (cps->twoMachinesColor[0] == 'w')
8515 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8517 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8524 } else if (strncmp(message, "opponent mates", 14) == 0) {
8526 case MachinePlaysBlack:
8527 case IcsPlayingBlack:
8528 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8530 case MachinePlaysWhite:
8531 case IcsPlayingWhite:
8532 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8534 case TwoMachinesPlay:
8535 if (cps->twoMachinesColor[0] == 'w')
8536 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8538 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8545 } else if (strncmp(message, "computer mates", 14) == 0) {
8547 case MachinePlaysBlack:
8548 case IcsPlayingBlack:
8549 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8551 case MachinePlaysWhite:
8552 case IcsPlayingWhite:
8553 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8555 case TwoMachinesPlay:
8556 if (cps->twoMachinesColor[0] == 'w')
8557 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8559 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8566 } else if (strncmp(message, "checkmate", 9) == 0) {
8567 if (WhiteOnMove(forwardMostMove)) {
8568 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8570 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8573 } else if (strstr(message, "Draw") != NULL ||
8574 strstr(message, "game is a draw") != NULL) {
8575 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8577 } else if (strstr(message, "offer") != NULL &&
8578 strstr(message, "draw") != NULL) {
8580 if (appData.zippyPlay && first.initDone) {
8581 /* Relay offer to ICS */
8582 SendToICS(ics_prefix);
8583 SendToICS("draw\n");
8586 cps->offeredDraw = 2; /* valid until this engine moves twice */
8587 if (gameMode == TwoMachinesPlay) {
8588 if (cps->other->offeredDraw) {
8589 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8590 /* [HGM] in two-machine mode we delay relaying draw offer */
8591 /* until after we also have move, to see if it is really claim */
8593 } else if (gameMode == MachinePlaysWhite ||
8594 gameMode == MachinePlaysBlack) {
8595 if (userOfferedDraw) {
8596 DisplayInformation(_("Machine accepts your draw offer"));
8597 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8599 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8606 * Look for thinking output
8608 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8609 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8611 int plylev, mvleft, mvtot, curscore, time;
8612 char mvname[MOVE_LEN];
8616 int prefixHint = FALSE;
8617 mvname[0] = NULLCHAR;
8620 case MachinePlaysBlack:
8621 case IcsPlayingBlack:
8622 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8624 case MachinePlaysWhite:
8625 case IcsPlayingWhite:
8626 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8631 case IcsObserving: /* [DM] icsEngineAnalyze */
8632 if (!appData.icsEngineAnalyze) ignore = TRUE;
8634 case TwoMachinesPlay:
8635 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8645 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8647 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8648 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8650 if (plyext != ' ' && plyext != '\t') {
8654 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8655 if( cps->scoreIsAbsolute &&
8656 ( gameMode == MachinePlaysBlack ||
8657 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8658 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8659 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8660 !WhiteOnMove(currentMove)
8663 curscore = -curscore;
8666 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8668 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8671 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8672 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8673 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8674 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8675 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8676 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8678 } else DisplayError(_("failed writing PV"), 0);
8681 tempStats.depth = plylev;
8682 tempStats.nodes = nodes;
8683 tempStats.time = time;
8684 tempStats.score = curscore;
8685 tempStats.got_only_move = 0;
8687 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8690 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8691 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8692 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8693 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8694 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8695 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8696 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8697 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8700 /* Buffer overflow protection */
8701 if (pv[0] != NULLCHAR) {
8702 if (strlen(pv) >= sizeof(tempStats.movelist)
8703 && appData.debugMode) {
8705 "PV is too long; using the first %u bytes.\n",
8706 (unsigned) sizeof(tempStats.movelist) - 1);
8709 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8711 sprintf(tempStats.movelist, " no PV\n");
8714 if (tempStats.seen_stat) {
8715 tempStats.ok_to_send = 1;
8718 if (strchr(tempStats.movelist, '(') != NULL) {
8719 tempStats.line_is_book = 1;
8720 tempStats.nr_moves = 0;
8721 tempStats.moves_left = 0;
8723 tempStats.line_is_book = 0;
8726 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8727 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8729 SendProgramStatsToFrontend( cps, &tempStats );
8732 [AS] Protect the thinkOutput buffer from overflow... this
8733 is only useful if buf1 hasn't overflowed first!
8735 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8737 (gameMode == TwoMachinesPlay ?
8738 ToUpper(cps->twoMachinesColor[0]) : ' '),
8739 ((double) curscore) / 100.0,
8740 prefixHint ? lastHint : "",
8741 prefixHint ? " " : "" );
8743 if( buf1[0] != NULLCHAR ) {
8744 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8746 if( strlen(pv) > max_len ) {
8747 if( appData.debugMode) {
8748 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8750 pv[max_len+1] = '\0';
8753 strcat( thinkOutput, pv);
8756 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8757 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8758 DisplayMove(currentMove - 1);
8762 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8763 /* crafty (9.25+) says "(only move) <move>"
8764 * if there is only 1 legal move
8766 sscanf(p, "(only move) %s", buf1);
8767 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8768 sprintf(programStats.movelist, "%s (only move)", buf1);
8769 programStats.depth = 1;
8770 programStats.nr_moves = 1;
8771 programStats.moves_left = 1;
8772 programStats.nodes = 1;
8773 programStats.time = 1;
8774 programStats.got_only_move = 1;
8776 /* Not really, but we also use this member to
8777 mean "line isn't going to change" (Crafty
8778 isn't searching, so stats won't change) */
8779 programStats.line_is_book = 1;
8781 SendProgramStatsToFrontend( cps, &programStats );
8783 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8784 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8785 DisplayMove(currentMove - 1);
8788 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8789 &time, &nodes, &plylev, &mvleft,
8790 &mvtot, mvname) >= 5) {
8791 /* The stat01: line is from Crafty (9.29+) in response
8792 to the "." command */
8793 programStats.seen_stat = 1;
8794 cps->maybeThinking = TRUE;
8796 if (programStats.got_only_move || !appData.periodicUpdates)
8799 programStats.depth = plylev;
8800 programStats.time = time;
8801 programStats.nodes = nodes;
8802 programStats.moves_left = mvleft;
8803 programStats.nr_moves = mvtot;
8804 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8805 programStats.ok_to_send = 1;
8806 programStats.movelist[0] = '\0';
8808 SendProgramStatsToFrontend( cps, &programStats );
8812 } else if (strncmp(message,"++",2) == 0) {
8813 /* Crafty 9.29+ outputs this */
8814 programStats.got_fail = 2;
8817 } else if (strncmp(message,"--",2) == 0) {
8818 /* Crafty 9.29+ outputs this */
8819 programStats.got_fail = 1;
8822 } else if (thinkOutput[0] != NULLCHAR &&
8823 strncmp(message, " ", 4) == 0) {
8824 unsigned message_len;
8827 while (*p && *p == ' ') p++;
8829 message_len = strlen( p );
8831 /* [AS] Avoid buffer overflow */
8832 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8833 strcat(thinkOutput, " ");
8834 strcat(thinkOutput, p);
8837 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8838 strcat(programStats.movelist, " ");
8839 strcat(programStats.movelist, p);
8842 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8843 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8844 DisplayMove(currentMove - 1);
8852 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8853 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8855 ChessProgramStats cpstats;
8857 if (plyext != ' ' && plyext != '\t') {
8861 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8862 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8863 curscore = -curscore;
8866 cpstats.depth = plylev;
8867 cpstats.nodes = nodes;
8868 cpstats.time = time;
8869 cpstats.score = curscore;
8870 cpstats.got_only_move = 0;
8871 cpstats.movelist[0] = '\0';
8873 if (buf1[0] != NULLCHAR) {
8874 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8877 cpstats.ok_to_send = 0;
8878 cpstats.line_is_book = 0;
8879 cpstats.nr_moves = 0;
8880 cpstats.moves_left = 0;
8882 SendProgramStatsToFrontend( cps, &cpstats );
8889 /* Parse a game score from the character string "game", and
8890 record it as the history of the current game. The game
8891 score is NOT assumed to start from the standard position.
8892 The display is not updated in any way.
8895 ParseGameHistory(game)
8899 int fromX, fromY, toX, toY, boardIndex;
8904 if (appData.debugMode)
8905 fprintf(debugFP, "Parsing game history: %s\n", game);
8907 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8908 gameInfo.site = StrSave(appData.icsHost);
8909 gameInfo.date = PGNDate();
8910 gameInfo.round = StrSave("-");
8912 /* Parse out names of players */
8913 while (*game == ' ') game++;
8915 while (*game != ' ') *p++ = *game++;
8917 gameInfo.white = StrSave(buf);
8918 while (*game == ' ') game++;
8920 while (*game != ' ' && *game != '\n') *p++ = *game++;
8922 gameInfo.black = StrSave(buf);
8925 boardIndex = blackPlaysFirst ? 1 : 0;
8928 yyboardindex = boardIndex;
8929 moveType = (ChessMove) Myylex();
8931 case IllegalMove: /* maybe suicide chess, etc. */
8932 if (appData.debugMode) {
8933 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8934 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8935 setbuf(debugFP, NULL);
8937 case WhitePromotion:
8938 case BlackPromotion:
8939 case WhiteNonPromotion:
8940 case BlackNonPromotion:
8942 case WhiteCapturesEnPassant:
8943 case BlackCapturesEnPassant:
8944 case WhiteKingSideCastle:
8945 case WhiteQueenSideCastle:
8946 case BlackKingSideCastle:
8947 case BlackQueenSideCastle:
8948 case WhiteKingSideCastleWild:
8949 case WhiteQueenSideCastleWild:
8950 case BlackKingSideCastleWild:
8951 case BlackQueenSideCastleWild:
8953 case WhiteHSideCastleFR:
8954 case WhiteASideCastleFR:
8955 case BlackHSideCastleFR:
8956 case BlackASideCastleFR:
8958 fromX = currentMoveString[0] - AAA;
8959 fromY = currentMoveString[1] - ONE;
8960 toX = currentMoveString[2] - AAA;
8961 toY = currentMoveString[3] - ONE;
8962 promoChar = currentMoveString[4];
8966 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8967 fromX = moveType == WhiteDrop ?
8968 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8969 (int) CharToPiece(ToLower(currentMoveString[0]));
8971 toX = currentMoveString[2] - AAA;
8972 toY = currentMoveString[3] - ONE;
8973 promoChar = NULLCHAR;
8977 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8978 if (appData.debugMode) {
8979 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8980 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8981 setbuf(debugFP, NULL);
8983 DisplayError(buf, 0);
8985 case ImpossibleMove:
8987 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8988 if (appData.debugMode) {
8989 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8990 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8991 setbuf(debugFP, NULL);
8993 DisplayError(buf, 0);
8996 if (boardIndex < backwardMostMove) {
8997 /* Oops, gap. How did that happen? */
8998 DisplayError(_("Gap in move list"), 0);
9001 backwardMostMove = blackPlaysFirst ? 1 : 0;
9002 if (boardIndex > forwardMostMove) {
9003 forwardMostMove = boardIndex;
9007 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9008 strcat(parseList[boardIndex-1], " ");
9009 strcat(parseList[boardIndex-1], yy_text);
9021 case GameUnfinished:
9022 if (gameMode == IcsExamining) {
9023 if (boardIndex < backwardMostMove) {
9024 /* Oops, gap. How did that happen? */
9027 backwardMostMove = blackPlaysFirst ? 1 : 0;
9030 gameInfo.result = moveType;
9031 p = strchr(yy_text, '{');
9032 if (p == NULL) p = strchr(yy_text, '(');
9035 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9037 q = strchr(p, *p == '{' ? '}' : ')');
9038 if (q != NULL) *q = NULLCHAR;
9041 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9042 gameInfo.resultDetails = StrSave(p);
9045 if (boardIndex >= forwardMostMove &&
9046 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9047 backwardMostMove = blackPlaysFirst ? 1 : 0;
9050 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9051 fromY, fromX, toY, toX, promoChar,
9052 parseList[boardIndex]);
9053 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9054 /* currentMoveString is set as a side-effect of yylex */
9055 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9056 strcat(moveList[boardIndex], "\n");
9058 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9059 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9065 if(gameInfo.variant != VariantShogi)
9066 strcat(parseList[boardIndex - 1], "+");
9070 strcat(parseList[boardIndex - 1], "#");
9077 /* Apply a move to the given board */
9079 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
9080 int fromX, fromY, toX, toY;
9084 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9085 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9087 /* [HGM] compute & store e.p. status and castling rights for new position */
9088 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9090 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9091 oldEP = (signed char)board[EP_STATUS];
9092 board[EP_STATUS] = EP_NONE;
9094 if (fromY == DROP_RANK) {
9096 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9097 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9100 piece = board[toY][toX] = (ChessSquare) fromX;
9104 if( board[toY][toX] != EmptySquare )
9105 board[EP_STATUS] = EP_CAPTURE;
9107 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9108 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9109 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9111 if( board[fromY][fromX] == WhitePawn ) {
9112 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9113 board[EP_STATUS] = EP_PAWN_MOVE;
9115 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9116 gameInfo.variant != VariantBerolina || toX < fromX)
9117 board[EP_STATUS] = toX | berolina;
9118 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9119 gameInfo.variant != VariantBerolina || toX > fromX)
9120 board[EP_STATUS] = toX;
9123 if( board[fromY][fromX] == BlackPawn ) {
9124 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9125 board[EP_STATUS] = EP_PAWN_MOVE;
9126 if( toY-fromY== -2) {
9127 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9128 gameInfo.variant != VariantBerolina || toX < fromX)
9129 board[EP_STATUS] = toX | berolina;
9130 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9131 gameInfo.variant != VariantBerolina || toX > fromX)
9132 board[EP_STATUS] = toX;
9136 for(i=0; i<nrCastlingRights; i++) {
9137 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9138 board[CASTLING][i] == toX && castlingRank[i] == toY
9139 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9142 if (fromX == toX && fromY == toY) return;
9144 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9145 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9146 if(gameInfo.variant == VariantKnightmate)
9147 king += (int) WhiteUnicorn - (int) WhiteKing;
9149 /* Code added by Tord: */
9150 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9151 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9152 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9153 board[fromY][fromX] = EmptySquare;
9154 board[toY][toX] = EmptySquare;
9155 if((toX > fromX) != (piece == WhiteRook)) {
9156 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9158 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9160 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9161 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9162 board[fromY][fromX] = EmptySquare;
9163 board[toY][toX] = EmptySquare;
9164 if((toX > fromX) != (piece == BlackRook)) {
9165 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9167 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9169 /* End of code added by Tord */
9171 } else if (board[fromY][fromX] == king
9172 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9173 && toY == fromY && toX > fromX+1) {
9174 board[fromY][fromX] = EmptySquare;
9175 board[toY][toX] = king;
9176 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9177 board[fromY][BOARD_RGHT-1] = EmptySquare;
9178 } else if (board[fromY][fromX] == king
9179 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9180 && toY == fromY && toX < fromX-1) {
9181 board[fromY][fromX] = EmptySquare;
9182 board[toY][toX] = king;
9183 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9184 board[fromY][BOARD_LEFT] = EmptySquare;
9185 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9186 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9187 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9189 /* white pawn promotion */
9190 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9191 if(gameInfo.variant==VariantBughouse ||
9192 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9193 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9194 board[fromY][fromX] = EmptySquare;
9195 } else if ((fromY >= BOARD_HEIGHT>>1)
9197 && gameInfo.variant != VariantXiangqi
9198 && gameInfo.variant != VariantBerolina
9199 && (board[fromY][fromX] == WhitePawn)
9200 && (board[toY][toX] == EmptySquare)) {
9201 board[fromY][fromX] = EmptySquare;
9202 board[toY][toX] = WhitePawn;
9203 captured = board[toY - 1][toX];
9204 board[toY - 1][toX] = EmptySquare;
9205 } else if ((fromY == BOARD_HEIGHT-4)
9207 && gameInfo.variant == VariantBerolina
9208 && (board[fromY][fromX] == WhitePawn)
9209 && (board[toY][toX] == EmptySquare)) {
9210 board[fromY][fromX] = EmptySquare;
9211 board[toY][toX] = WhitePawn;
9212 if(oldEP & EP_BEROLIN_A) {
9213 captured = board[fromY][fromX-1];
9214 board[fromY][fromX-1] = EmptySquare;
9215 }else{ captured = board[fromY][fromX+1];
9216 board[fromY][fromX+1] = EmptySquare;
9218 } else if (board[fromY][fromX] == king
9219 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9220 && toY == fromY && toX > fromX+1) {
9221 board[fromY][fromX] = EmptySquare;
9222 board[toY][toX] = king;
9223 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9224 board[fromY][BOARD_RGHT-1] = EmptySquare;
9225 } else if (board[fromY][fromX] == king
9226 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9227 && toY == fromY && toX < fromX-1) {
9228 board[fromY][fromX] = EmptySquare;
9229 board[toY][toX] = king;
9230 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9231 board[fromY][BOARD_LEFT] = EmptySquare;
9232 } else if (fromY == 7 && fromX == 3
9233 && board[fromY][fromX] == BlackKing
9234 && toY == 7 && toX == 5) {
9235 board[fromY][fromX] = EmptySquare;
9236 board[toY][toX] = BlackKing;
9237 board[fromY][7] = EmptySquare;
9238 board[toY][4] = BlackRook;
9239 } else if (fromY == 7 && fromX == 3
9240 && board[fromY][fromX] == BlackKing
9241 && toY == 7 && toX == 1) {
9242 board[fromY][fromX] = EmptySquare;
9243 board[toY][toX] = BlackKing;
9244 board[fromY][0] = EmptySquare;
9245 board[toY][2] = BlackRook;
9246 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9247 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9248 && toY < promoRank && promoChar
9250 /* black pawn promotion */
9251 board[toY][toX] = CharToPiece(ToLower(promoChar));
9252 if(gameInfo.variant==VariantBughouse ||
9253 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9254 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9255 board[fromY][fromX] = EmptySquare;
9256 } else if ((fromY < BOARD_HEIGHT>>1)
9258 && gameInfo.variant != VariantXiangqi
9259 && gameInfo.variant != VariantBerolina
9260 && (board[fromY][fromX] == BlackPawn)
9261 && (board[toY][toX] == EmptySquare)) {
9262 board[fromY][fromX] = EmptySquare;
9263 board[toY][toX] = BlackPawn;
9264 captured = board[toY + 1][toX];
9265 board[toY + 1][toX] = EmptySquare;
9266 } else if ((fromY == 3)
9268 && gameInfo.variant == VariantBerolina
9269 && (board[fromY][fromX] == BlackPawn)
9270 && (board[toY][toX] == EmptySquare)) {
9271 board[fromY][fromX] = EmptySquare;
9272 board[toY][toX] = BlackPawn;
9273 if(oldEP & EP_BEROLIN_A) {
9274 captured = board[fromY][fromX-1];
9275 board[fromY][fromX-1] = EmptySquare;
9276 }else{ captured = board[fromY][fromX+1];
9277 board[fromY][fromX+1] = EmptySquare;
9280 board[toY][toX] = board[fromY][fromX];
9281 board[fromY][fromX] = EmptySquare;
9285 if (gameInfo.holdingsWidth != 0) {
9287 /* !!A lot more code needs to be written to support holdings */
9288 /* [HGM] OK, so I have written it. Holdings are stored in the */
9289 /* penultimate board files, so they are automaticlly stored */
9290 /* in the game history. */
9291 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9292 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9293 /* Delete from holdings, by decreasing count */
9294 /* and erasing image if necessary */
9295 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9296 if(p < (int) BlackPawn) { /* white drop */
9297 p -= (int)WhitePawn;
9298 p = PieceToNumber((ChessSquare)p);
9299 if(p >= gameInfo.holdingsSize) p = 0;
9300 if(--board[p][BOARD_WIDTH-2] <= 0)
9301 board[p][BOARD_WIDTH-1] = EmptySquare;
9302 if((int)board[p][BOARD_WIDTH-2] < 0)
9303 board[p][BOARD_WIDTH-2] = 0;
9304 } else { /* black drop */
9305 p -= (int)BlackPawn;
9306 p = PieceToNumber((ChessSquare)p);
9307 if(p >= gameInfo.holdingsSize) p = 0;
9308 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9309 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9310 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9311 board[BOARD_HEIGHT-1-p][1] = 0;
9314 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9315 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9316 /* [HGM] holdings: Add to holdings, if holdings exist */
9317 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9318 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9319 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9322 if (p >= (int) BlackPawn) {
9323 p -= (int)BlackPawn;
9324 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9325 /* in Shogi restore piece to its original first */
9326 captured = (ChessSquare) (DEMOTED captured);
9329 p = PieceToNumber((ChessSquare)p);
9330 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9331 board[p][BOARD_WIDTH-2]++;
9332 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9334 p -= (int)WhitePawn;
9335 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9336 captured = (ChessSquare) (DEMOTED captured);
9339 p = PieceToNumber((ChessSquare)p);
9340 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9341 board[BOARD_HEIGHT-1-p][1]++;
9342 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9345 } else if (gameInfo.variant == VariantAtomic) {
9346 if (captured != EmptySquare) {
9348 for (y = toY-1; y <= toY+1; y++) {
9349 for (x = toX-1; x <= toX+1; x++) {
9350 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9351 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9352 board[y][x] = EmptySquare;
9356 board[toY][toX] = EmptySquare;
9359 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9360 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9362 if(promoChar == '+') {
9363 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9364 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9365 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9366 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9368 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9369 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9370 // [HGM] superchess: take promotion piece out of holdings
9371 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9372 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9373 if(!--board[k][BOARD_WIDTH-2])
9374 board[k][BOARD_WIDTH-1] = EmptySquare;
9376 if(!--board[BOARD_HEIGHT-1-k][1])
9377 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9383 /* Updates forwardMostMove */
9385 MakeMove(fromX, fromY, toX, toY, promoChar)
9386 int fromX, fromY, toX, toY;
9389 // forwardMostMove++; // [HGM] bare: moved downstream
9391 (void) CoordsToAlgebraic(boards[forwardMostMove],
9392 PosFlags(forwardMostMove),
9393 fromY, fromX, toY, toX, promoChar,
9394 parseList[forwardMostMove]);
9396 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9397 int timeLeft; static int lastLoadFlag=0; int king, piece;
9398 piece = boards[forwardMostMove][fromY][fromX];
9399 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9400 if(gameInfo.variant == VariantKnightmate)
9401 king += (int) WhiteUnicorn - (int) WhiteKing;
9402 if(forwardMostMove == 0) {
9403 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9404 fprintf(serverMoves, "%s;", UserName());
9405 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9406 fprintf(serverMoves, "%s;", second.tidy);
9407 fprintf(serverMoves, "%s;", first.tidy);
9408 if(gameMode == MachinePlaysWhite)
9409 fprintf(serverMoves, "%s;", UserName());
9410 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9411 fprintf(serverMoves, "%s;", second.tidy);
9412 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9413 lastLoadFlag = loadFlag;
9415 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9416 // print castling suffix
9417 if( toY == fromY && piece == king ) {
9419 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9421 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9424 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9425 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9426 boards[forwardMostMove][toY][toX] == EmptySquare
9427 && fromX != toX && fromY != toY)
9428 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9430 if(promoChar != NULLCHAR)
9431 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9433 char buf[MOVE_LEN*2], *p; int len;
9434 fprintf(serverMoves, "/%d/%d",
9435 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9436 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9437 else timeLeft = blackTimeRemaining/1000;
9438 fprintf(serverMoves, "/%d", timeLeft);
9439 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9440 if(p = strchr(buf, '=')) *p = NULLCHAR;
9441 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9442 fprintf(serverMoves, "/%s", buf);
9444 fflush(serverMoves);
9447 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9448 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9451 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9452 if (commentList[forwardMostMove+1] != NULL) {
9453 free(commentList[forwardMostMove+1]);
9454 commentList[forwardMostMove+1] = NULL;
9456 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9457 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9458 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9459 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9460 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9461 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9462 adjustedClock = FALSE;
9463 gameInfo.result = GameUnfinished;
9464 if (gameInfo.resultDetails != NULL) {
9465 free(gameInfo.resultDetails);
9466 gameInfo.resultDetails = NULL;
9468 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9469 moveList[forwardMostMove - 1]);
9470 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9476 if(gameInfo.variant != VariantShogi)
9477 strcat(parseList[forwardMostMove - 1], "+");
9481 strcat(parseList[forwardMostMove - 1], "#");
9484 if (appData.debugMode) {
9485 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9490 /* Updates currentMove if not pausing */
9492 ShowMove(fromX, fromY, toX, toY)
9494 int instant = (gameMode == PlayFromGameFile) ?
9495 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9496 if(appData.noGUI) return;
9497 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9499 if (forwardMostMove == currentMove + 1) {
9500 AnimateMove(boards[forwardMostMove - 1],
9501 fromX, fromY, toX, toY);
9503 if (appData.highlightLastMove) {
9504 SetHighlights(fromX, fromY, toX, toY);
9507 currentMove = forwardMostMove;
9510 if (instant) return;
9512 DisplayMove(currentMove - 1);
9513 DrawPosition(FALSE, boards[currentMove]);
9514 DisplayBothClocks();
9515 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9518 void SendEgtPath(ChessProgramState *cps)
9519 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9520 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9522 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9525 char c, *q = name+1, *r, *s;
9527 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9528 while(*p && *p != ',') *q++ = *p++;
9530 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9531 strcmp(name, ",nalimov:") == 0 ) {
9532 // take nalimov path from the menu-changeable option first, if it is defined
9533 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9534 SendToProgram(buf,cps); // send egtbpath command for nalimov
9536 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9537 (s = StrStr(appData.egtFormats, name)) != NULL) {
9538 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9539 s = r = StrStr(s, ":") + 1; // beginning of path info
9540 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9541 c = *r; *r = 0; // temporarily null-terminate path info
9542 *--q = 0; // strip of trailig ':' from name
9543 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9545 SendToProgram(buf,cps); // send egtbpath command for this format
9547 if(*p == ',') p++; // read away comma to position for next format name
9552 InitChessProgram(cps, setup)
9553 ChessProgramState *cps;
9554 int setup; /* [HGM] needed to setup FRC opening position */
9556 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9557 if (appData.noChessProgram) return;
9558 hintRequested = FALSE;
9559 bookRequested = FALSE;
9561 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9562 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9563 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9564 if(cps->memSize) { /* [HGM] memory */
9565 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9566 SendToProgram(buf, cps);
9568 SendEgtPath(cps); /* [HGM] EGT */
9569 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9570 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9571 SendToProgram(buf, cps);
9574 SendToProgram(cps->initString, cps);
9575 if (gameInfo.variant != VariantNormal &&
9576 gameInfo.variant != VariantLoadable
9577 /* [HGM] also send variant if board size non-standard */
9578 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9580 char *v = VariantName(gameInfo.variant);
9581 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9582 /* [HGM] in protocol 1 we have to assume all variants valid */
9583 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9584 DisplayFatalError(buf, 0, 1);
9588 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9589 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9590 if( gameInfo.variant == VariantXiangqi )
9591 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9592 if( gameInfo.variant == VariantShogi )
9593 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9594 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9595 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9596 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9597 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9598 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9599 if( gameInfo.variant == VariantCourier )
9600 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9601 if( gameInfo.variant == VariantSuper )
9602 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9603 if( gameInfo.variant == VariantGreat )
9604 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9605 if( gameInfo.variant == VariantSChess )
9606 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9607 if( gameInfo.variant == VariantGrand )
9608 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9611 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9612 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9613 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9614 if(StrStr(cps->variants, b) == NULL) {
9615 // specific sized variant not known, check if general sizing allowed
9616 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9617 if(StrStr(cps->variants, "boardsize") == NULL) {
9618 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9619 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9620 DisplayFatalError(buf, 0, 1);
9623 /* [HGM] here we really should compare with the maximum supported board size */
9626 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9627 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9628 SendToProgram(buf, cps);
9630 currentlyInitializedVariant = gameInfo.variant;
9632 /* [HGM] send opening position in FRC to first engine */
9634 SendToProgram("force\n", cps);
9636 /* engine is now in force mode! Set flag to wake it up after first move. */
9637 setboardSpoiledMachineBlack = 1;
9641 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9642 SendToProgram(buf, cps);
9644 cps->maybeThinking = FALSE;
9645 cps->offeredDraw = 0;
9646 if (!appData.icsActive) {
9647 SendTimeControl(cps, movesPerSession, timeControl,
9648 timeIncrement, appData.searchDepth,
9651 if (appData.showThinking
9652 // [HGM] thinking: four options require thinking output to be sent
9653 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9655 SendToProgram("post\n", cps);
9657 SendToProgram("hard\n", cps);
9658 if (!appData.ponderNextMove) {
9659 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9660 it without being sure what state we are in first. "hard"
9661 is not a toggle, so that one is OK.
9663 SendToProgram("easy\n", cps);
9666 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9667 SendToProgram(buf, cps);
9669 cps->initDone = TRUE;
9670 ClearEngineOutputPane(cps == &second);
9675 StartChessProgram(cps)
9676 ChessProgramState *cps;
9681 if (appData.noChessProgram) return;
9682 cps->initDone = FALSE;
9684 if (strcmp(cps->host, "localhost") == 0) {
9685 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9686 } else if (*appData.remoteShell == NULLCHAR) {
9687 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9689 if (*appData.remoteUser == NULLCHAR) {
9690 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9693 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9694 cps->host, appData.remoteUser, cps->program);
9696 err = StartChildProcess(buf, "", &cps->pr);
9700 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9701 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9702 if(cps != &first) return;
9703 appData.noChessProgram = TRUE;
9706 // DisplayFatalError(buf, err, 1);
9707 // cps->pr = NoProc;
9712 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9713 if (cps->protocolVersion > 1) {
9714 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9715 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9716 cps->comboCnt = 0; // and values of combo boxes
9717 SendToProgram(buf, cps);
9719 SendToProgram("xboard\n", cps);
9724 TwoMachinesEventIfReady P((void))
9726 static int curMess = 0;
9727 if (first.lastPing != first.lastPong) {
9728 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9729 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9732 if (second.lastPing != second.lastPong) {
9733 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9734 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9737 DisplayMessage("", ""); curMess = 0;
9743 MakeName(char *template)
9747 static char buf[MSG_SIZ];
9751 clock = time((time_t *)NULL);
9752 tm = localtime(&clock);
9754 while(*p++ = *template++) if(p[-1] == '%') {
9755 switch(*template++) {
9756 case 0: *p = 0; return buf;
9757 case 'Y': i = tm->tm_year+1900; break;
9758 case 'y': i = tm->tm_year-100; break;
9759 case 'M': i = tm->tm_mon+1; break;
9760 case 'd': i = tm->tm_mday; break;
9761 case 'h': i = tm->tm_hour; break;
9762 case 'm': i = tm->tm_min; break;
9763 case 's': i = tm->tm_sec; break;
9766 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9772 CountPlayers(char *p)
9775 while(p = strchr(p, '\n')) p++, n++; // count participants
9780 WriteTourneyFile(char *results, FILE *f)
9781 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9782 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9783 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9784 // create a file with tournament description
9785 fprintf(f, "-participants {%s}\n", appData.participants);
9786 fprintf(f, "-seedBase %d\n", appData.seedBase);
9787 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9788 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9789 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9790 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9791 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9792 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9793 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9794 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9795 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9796 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9797 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9798 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9800 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9802 fprintf(f, "-mps %d\n", appData.movesPerSession);
9803 fprintf(f, "-tc %s\n", appData.timeControl);
9804 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9806 fprintf(f, "-results \"%s\"\n", results);
9811 #define MAXENGINES 1000
9812 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9814 void Substitute(char *participants, int expunge)
9816 int i, changed, changes=0, nPlayers=0;
9817 char *p, *q, *r, buf[MSG_SIZ];
9818 if(participants == NULL) return;
9819 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9820 r = p = participants; q = appData.participants;
9821 while(*p && *p == *q) {
9822 if(*p == '\n') r = p+1, nPlayers++;
9825 if(*p) { // difference
9826 while(*p && *p++ != '\n');
9827 while(*q && *q++ != '\n');
9829 changes = 1 + (strcmp(p, q) != 0);
9831 if(changes == 1) { // a single engine mnemonic was changed
9832 q = r; while(*q) nPlayers += (*q++ == '\n');
9833 p = buf; while(*r && (*p = *r++) != '\n') p++;
9835 NamesToList(firstChessProgramNames, command, mnemonic);
9836 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9837 if(mnemonic[i]) { // The substitute is valid
9839 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9840 flock(fileno(f), LOCK_EX);
9841 ParseArgsFromFile(f);
9842 fseek(f, 0, SEEK_SET);
9843 FREE(appData.participants); appData.participants = participants;
9844 if(expunge) { // erase results of replaced engine
9845 int len = strlen(appData.results), w, b, dummy;
9846 for(i=0; i<len; i++) {
9847 Pairing(i, nPlayers, &w, &b, &dummy);
9848 if((w == changed || b == changed) && appData.results[i] == '*') {
9849 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9854 for(i=0; i<len; i++) {
9855 Pairing(i, nPlayers, &w, &b, &dummy);
9856 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9859 WriteTourneyFile(appData.results, f);
9860 fclose(f); // release lock
9863 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9865 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9866 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9872 CreateTourney(char *name)
9875 if(matchMode && strcmp(name, appData.tourneyFile)) {
9876 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9878 if(name[0] == NULLCHAR) {
9879 if(appData.participants[0])
9880 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9883 f = fopen(name, "r");
9884 if(f) { // file exists
9885 ASSIGN(appData.tourneyFile, name);
9886 ParseArgsFromFile(f); // parse it
9888 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9889 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9890 DisplayError(_("Not enough participants"), 0);
9893 ASSIGN(appData.tourneyFile, name);
9894 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9895 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9898 appData.noChessProgram = FALSE;
9899 appData.clockMode = TRUE;
9904 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9906 char buf[MSG_SIZ], *p, *q;
9910 while(*p && *p != '\n') *q++ = *p++;
9912 if(engineList[i]) free(engineList[i]);
9913 engineList[i] = strdup(buf);
9915 TidyProgramName(engineList[i], "localhost", buf);
9916 if(engineMnemonic[i]) free(engineMnemonic[i]);
9917 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9919 sscanf(q + 8, "%s", buf + strlen(buf));
9922 engineMnemonic[i] = strdup(buf);
9924 if(i > MAXENGINES - 2) break;
9926 engineList[i] = engineMnemonic[i] = NULL;
9929 // following implemented as macro to avoid type limitations
9930 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9932 void SwapEngines(int n)
9933 { // swap settings for first engine and other engine (so far only some selected options)
9938 SWAP(chessProgram, p)
9940 SWAP(hasOwnBookUCI, h)
9941 SWAP(protocolVersion, h)
9943 SWAP(scoreIsAbsolute, h)
9952 SetPlayer(int player)
9953 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9955 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9956 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9957 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9958 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9960 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9961 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9962 appData.firstHasOwnBookUCI = !appData.defNoBook;
9963 ParseArgsFromString(buf);
9969 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9970 { // determine players from game number
9971 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9973 if(appData.tourneyType == 0) {
9974 roundsPerCycle = (nPlayers - 1) | 1;
9975 pairingsPerRound = nPlayers / 2;
9976 } else if(appData.tourneyType > 0) {
9977 roundsPerCycle = nPlayers - appData.tourneyType;
9978 pairingsPerRound = appData.tourneyType;
9980 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9981 gamesPerCycle = gamesPerRound * roundsPerCycle;
9982 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9983 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9984 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9985 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9986 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9987 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9989 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9990 if(appData.roundSync) *syncInterval = gamesPerRound;
9992 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9994 if(appData.tourneyType == 0) {
9995 if(curPairing == (nPlayers-1)/2 ) {
9996 *whitePlayer = curRound;
9997 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9999 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10000 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10001 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10002 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10004 } else if(appData.tourneyType > 0) {
10005 *whitePlayer = curPairing;
10006 *blackPlayer = curRound + appData.tourneyType;
10009 // take care of white/black alternation per round.
10010 // For cycles and games this is already taken care of by default, derived from matchGame!
10011 return curRound & 1;
10015 NextTourneyGame(int nr, int *swapColors)
10016 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10018 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10020 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10021 tf = fopen(appData.tourneyFile, "r");
10022 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10023 ParseArgsFromFile(tf); fclose(tf);
10024 InitTimeControls(); // TC might be altered from tourney file
10026 nPlayers = CountPlayers(appData.participants); // count participants
10027 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10028 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10031 p = q = appData.results;
10032 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10033 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10034 DisplayMessage(_("Waiting for other game(s)"),"");
10035 waitingForGame = TRUE;
10036 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10039 waitingForGame = FALSE;
10042 if(appData.tourneyType < 0) {
10043 if(nr>=0 && !pairingReceived) {
10045 if(pairing.pr == NoProc) {
10046 if(!appData.pairingEngine[0]) {
10047 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10050 StartChessProgram(&pairing); // starts the pairing engine
10052 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10053 SendToProgram(buf, &pairing);
10054 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10055 SendToProgram(buf, &pairing);
10056 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10058 pairingReceived = 0; // ... so we continue here
10060 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10061 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10062 matchGame = 1; roundNr = nr / syncInterval + 1;
10065 if(first.pr != NoProc || second.pr != NoProc) return 1; // engines already loaded
10067 // redefine engines, engine dir, etc.
10068 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
10069 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
10071 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
10072 SwapEngines(1); // and make that valid for second engine by swapping
10073 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10074 InitEngine(&second, 1);
10075 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10076 UpdateLogos(FALSE); // leave display to ModeHiglight()
10082 { // performs game initialization that does not invoke engines, and then tries to start the game
10083 int res, firstWhite, swapColors = 0;
10084 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10085 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10086 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10087 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10088 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10089 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10090 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10091 Reset(FALSE, first.pr != NoProc);
10092 res = LoadGameOrPosition(matchGame); // setup game
10093 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10094 if(!res) return; // abort when bad game/pos file
10095 TwoMachinesEvent();
10098 void UserAdjudicationEvent( int result )
10100 ChessMove gameResult = GameIsDrawn;
10103 gameResult = WhiteWins;
10105 else if( result < 0 ) {
10106 gameResult = BlackWins;
10109 if( gameMode == TwoMachinesPlay ) {
10110 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10115 // [HGM] save: calculate checksum of game to make games easily identifiable
10116 int StringCheckSum(char *s)
10119 if(s==NULL) return 0;
10120 while(*s) i = i*259 + *s++;
10127 for(i=backwardMostMove; i<forwardMostMove; i++) {
10128 sum += pvInfoList[i].depth;
10129 sum += StringCheckSum(parseList[i]);
10130 sum += StringCheckSum(commentList[i]);
10133 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10134 return sum + StringCheckSum(commentList[i]);
10135 } // end of save patch
10138 GameEnds(result, resultDetails, whosays)
10140 char *resultDetails;
10143 GameMode nextGameMode;
10145 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10147 if(endingGame) return; /* [HGM] crash: forbid recursion */
10149 if(twoBoards) { // [HGM] dual: switch back to one board
10150 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10151 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10153 if (appData.debugMode) {
10154 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10155 result, resultDetails ? resultDetails : "(null)", whosays);
10158 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10160 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10161 /* If we are playing on ICS, the server decides when the
10162 game is over, but the engine can offer to draw, claim
10166 if (appData.zippyPlay && first.initDone) {
10167 if (result == GameIsDrawn) {
10168 /* In case draw still needs to be claimed */
10169 SendToICS(ics_prefix);
10170 SendToICS("draw\n");
10171 } else if (StrCaseStr(resultDetails, "resign")) {
10172 SendToICS(ics_prefix);
10173 SendToICS("resign\n");
10177 endingGame = 0; /* [HGM] crash */
10181 /* If we're loading the game from a file, stop */
10182 if (whosays == GE_FILE) {
10183 (void) StopLoadGameTimer();
10187 /* Cancel draw offers */
10188 first.offeredDraw = second.offeredDraw = 0;
10190 /* If this is an ICS game, only ICS can really say it's done;
10191 if not, anyone can. */
10192 isIcsGame = (gameMode == IcsPlayingWhite ||
10193 gameMode == IcsPlayingBlack ||
10194 gameMode == IcsObserving ||
10195 gameMode == IcsExamining);
10197 if (!isIcsGame || whosays == GE_ICS) {
10198 /* OK -- not an ICS game, or ICS said it was done */
10200 if (!isIcsGame && !appData.noChessProgram)
10201 SetUserThinkingEnables();
10203 /* [HGM] if a machine claims the game end we verify this claim */
10204 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10205 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10207 ChessMove trueResult = (ChessMove) -1;
10209 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10210 first.twoMachinesColor[0] :
10211 second.twoMachinesColor[0] ;
10213 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10214 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10215 /* [HGM] verify: engine mate claims accepted if they were flagged */
10216 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10218 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10219 /* [HGM] verify: engine mate claims accepted if they were flagged */
10220 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10222 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10223 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10226 // now verify win claims, but not in drop games, as we don't understand those yet
10227 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10228 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10229 (result == WhiteWins && claimer == 'w' ||
10230 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10231 if (appData.debugMode) {
10232 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10233 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10235 if(result != trueResult) {
10236 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10237 result = claimer == 'w' ? BlackWins : WhiteWins;
10238 resultDetails = buf;
10241 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10242 && (forwardMostMove <= backwardMostMove ||
10243 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10244 (claimer=='b')==(forwardMostMove&1))
10246 /* [HGM] verify: draws that were not flagged are false claims */
10247 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10248 result = claimer == 'w' ? BlackWins : WhiteWins;
10249 resultDetails = buf;
10251 /* (Claiming a loss is accepted no questions asked!) */
10253 /* [HGM] bare: don't allow bare King to win */
10254 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10255 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10256 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10257 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10258 && result != GameIsDrawn)
10259 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10260 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10261 int p = (signed char)boards[forwardMostMove][i][j] - color;
10262 if(p >= 0 && p <= (int)WhiteKing) k++;
10264 if (appData.debugMode) {
10265 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10266 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10269 result = GameIsDrawn;
10270 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10271 resultDetails = buf;
10277 if(serverMoves != NULL && !loadFlag) { char c = '=';
10278 if(result==WhiteWins) c = '+';
10279 if(result==BlackWins) c = '-';
10280 if(resultDetails != NULL)
10281 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10283 if (resultDetails != NULL) {
10284 gameInfo.result = result;
10285 gameInfo.resultDetails = StrSave(resultDetails);
10287 /* display last move only if game was not loaded from file */
10288 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10289 DisplayMove(currentMove - 1);
10291 if (forwardMostMove != 0) {
10292 if (gameMode != PlayFromGameFile && gameMode != EditGame
10293 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10295 if (*appData.saveGameFile != NULLCHAR) {
10296 SaveGameToFile(appData.saveGameFile, TRUE);
10297 } else if (appData.autoSaveGames) {
10300 if (*appData.savePositionFile != NULLCHAR) {
10301 SavePositionToFile(appData.savePositionFile);
10306 /* Tell program how game ended in case it is learning */
10307 /* [HGM] Moved this to after saving the PGN, just in case */
10308 /* engine died and we got here through time loss. In that */
10309 /* case we will get a fatal error writing the pipe, which */
10310 /* would otherwise lose us the PGN. */
10311 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10312 /* output during GameEnds should never be fatal anymore */
10313 if (gameMode == MachinePlaysWhite ||
10314 gameMode == MachinePlaysBlack ||
10315 gameMode == TwoMachinesPlay ||
10316 gameMode == IcsPlayingWhite ||
10317 gameMode == IcsPlayingBlack ||
10318 gameMode == BeginningOfGame) {
10320 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10322 if (first.pr != NoProc) {
10323 SendToProgram(buf, &first);
10325 if (second.pr != NoProc &&
10326 gameMode == TwoMachinesPlay) {
10327 SendToProgram(buf, &second);
10332 if (appData.icsActive) {
10333 if (appData.quietPlay &&
10334 (gameMode == IcsPlayingWhite ||
10335 gameMode == IcsPlayingBlack)) {
10336 SendToICS(ics_prefix);
10337 SendToICS("set shout 1\n");
10339 nextGameMode = IcsIdle;
10340 ics_user_moved = FALSE;
10341 /* clean up premove. It's ugly when the game has ended and the
10342 * premove highlights are still on the board.
10345 gotPremove = FALSE;
10346 ClearPremoveHighlights();
10347 DrawPosition(FALSE, boards[currentMove]);
10349 if (whosays == GE_ICS) {
10352 if (gameMode == IcsPlayingWhite)
10354 else if(gameMode == IcsPlayingBlack)
10355 PlayIcsLossSound();
10358 if (gameMode == IcsPlayingBlack)
10360 else if(gameMode == IcsPlayingWhite)
10361 PlayIcsLossSound();
10364 PlayIcsDrawSound();
10367 PlayIcsUnfinishedSound();
10370 } else if (gameMode == EditGame ||
10371 gameMode == PlayFromGameFile ||
10372 gameMode == AnalyzeMode ||
10373 gameMode == AnalyzeFile) {
10374 nextGameMode = gameMode;
10376 nextGameMode = EndOfGame;
10381 nextGameMode = gameMode;
10384 if (appData.noChessProgram) {
10385 gameMode = nextGameMode;
10387 endingGame = 0; /* [HGM] crash */
10392 /* Put first chess program into idle state */
10393 if (first.pr != NoProc &&
10394 (gameMode == MachinePlaysWhite ||
10395 gameMode == MachinePlaysBlack ||
10396 gameMode == TwoMachinesPlay ||
10397 gameMode == IcsPlayingWhite ||
10398 gameMode == IcsPlayingBlack ||
10399 gameMode == BeginningOfGame)) {
10400 SendToProgram("force\n", &first);
10401 if (first.usePing) {
10403 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10404 SendToProgram(buf, &first);
10407 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10408 /* Kill off first chess program */
10409 if (first.isr != NULL)
10410 RemoveInputSource(first.isr);
10413 if (first.pr != NoProc) {
10415 DoSleep( appData.delayBeforeQuit );
10416 SendToProgram("quit\n", &first);
10417 DoSleep( appData.delayAfterQuit );
10418 DestroyChildProcess(first.pr, first.useSigterm);
10422 if (second.reuse) {
10423 /* Put second chess program into idle state */
10424 if (second.pr != NoProc &&
10425 gameMode == TwoMachinesPlay) {
10426 SendToProgram("force\n", &second);
10427 if (second.usePing) {
10429 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10430 SendToProgram(buf, &second);
10433 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10434 /* Kill off second chess program */
10435 if (second.isr != NULL)
10436 RemoveInputSource(second.isr);
10439 if (second.pr != NoProc) {
10440 DoSleep( appData.delayBeforeQuit );
10441 SendToProgram("quit\n", &second);
10442 DoSleep( appData.delayAfterQuit );
10443 DestroyChildProcess(second.pr, second.useSigterm);
10445 second.pr = NoProc;
10448 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10449 char resChar = '=';
10453 if (first.twoMachinesColor[0] == 'w') {
10456 second.matchWins++;
10461 if (first.twoMachinesColor[0] == 'b') {
10464 second.matchWins++;
10467 case GameUnfinished:
10473 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10474 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10475 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10476 ReserveGame(nextGame, resChar); // sets nextGame
10477 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10478 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10479 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10481 if (nextGame <= appData.matchGames && !abortMatch) {
10482 gameMode = nextGameMode;
10483 matchGame = nextGame; // this will be overruled in tourney mode!
10484 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10485 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10486 endingGame = 0; /* [HGM] crash */
10489 gameMode = nextGameMode;
10490 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10491 first.tidy, second.tidy,
10492 first.matchWins, second.matchWins,
10493 appData.matchGames - (first.matchWins + second.matchWins));
10494 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10495 if(strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10496 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10497 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10498 first.twoMachinesColor = "black\n";
10499 second.twoMachinesColor = "white\n";
10501 first.twoMachinesColor = "white\n";
10502 second.twoMachinesColor = "black\n";
10506 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10507 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10509 gameMode = nextGameMode;
10511 endingGame = 0; /* [HGM] crash */
10512 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10513 if(matchMode == TRUE) { // match through command line: exit with or without popup
10515 ToNrEvent(forwardMostMove);
10516 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10518 } else DisplayFatalError(buf, 0, 0);
10519 } else { // match through menu; just stop, with or without popup
10520 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10523 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10524 } else DisplayNote(buf);
10526 if(ranking) free(ranking);
10530 /* Assumes program was just initialized (initString sent).
10531 Leaves program in force mode. */
10533 FeedMovesToProgram(cps, upto)
10534 ChessProgramState *cps;
10539 if (appData.debugMode)
10540 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10541 startedFromSetupPosition ? "position and " : "",
10542 backwardMostMove, upto, cps->which);
10543 if(currentlyInitializedVariant != gameInfo.variant) {
10545 // [HGM] variantswitch: make engine aware of new variant
10546 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10547 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10548 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10549 SendToProgram(buf, cps);
10550 currentlyInitializedVariant = gameInfo.variant;
10552 SendToProgram("force\n", cps);
10553 if (startedFromSetupPosition) {
10554 SendBoard(cps, backwardMostMove);
10555 if (appData.debugMode) {
10556 fprintf(debugFP, "feedMoves\n");
10559 for (i = backwardMostMove; i < upto; i++) {
10560 SendMoveToProgram(i, cps);
10566 ResurrectChessProgram()
10568 /* The chess program may have exited.
10569 If so, restart it and feed it all the moves made so far. */
10570 static int doInit = 0;
10572 if (appData.noChessProgram) return 1;
10574 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10575 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10576 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10577 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10579 if (first.pr != NoProc) return 1;
10580 StartChessProgram(&first);
10582 InitChessProgram(&first, FALSE);
10583 FeedMovesToProgram(&first, currentMove);
10585 if (!first.sendTime) {
10586 /* can't tell gnuchess what its clock should read,
10587 so we bow to its notion. */
10589 timeRemaining[0][currentMove] = whiteTimeRemaining;
10590 timeRemaining[1][currentMove] = blackTimeRemaining;
10593 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10594 appData.icsEngineAnalyze) && first.analysisSupport) {
10595 SendToProgram("analyze\n", &first);
10596 first.analyzing = TRUE;
10602 * Button procedures
10605 Reset(redraw, init)
10610 if (appData.debugMode) {
10611 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10612 redraw, init, gameMode);
10614 CleanupTail(); // [HGM] vari: delete any stored variations
10615 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10616 pausing = pauseExamInvalid = FALSE;
10617 startedFromSetupPosition = blackPlaysFirst = FALSE;
10619 whiteFlag = blackFlag = FALSE;
10620 userOfferedDraw = FALSE;
10621 hintRequested = bookRequested = FALSE;
10622 first.maybeThinking = FALSE;
10623 second.maybeThinking = FALSE;
10624 first.bookSuspend = FALSE; // [HGM] book
10625 second.bookSuspend = FALSE;
10626 thinkOutput[0] = NULLCHAR;
10627 lastHint[0] = NULLCHAR;
10628 ClearGameInfo(&gameInfo);
10629 gameInfo.variant = StringToVariant(appData.variant);
10630 ics_user_moved = ics_clock_paused = FALSE;
10631 ics_getting_history = H_FALSE;
10633 white_holding[0] = black_holding[0] = NULLCHAR;
10634 ClearProgramStats();
10635 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10639 flipView = appData.flipView;
10640 ClearPremoveHighlights();
10641 gotPremove = FALSE;
10642 alarmSounded = FALSE;
10644 GameEnds(EndOfFile, NULL, GE_PLAYER);
10645 if(appData.serverMovesName != NULL) {
10646 /* [HGM] prepare to make moves file for broadcasting */
10647 clock_t t = clock();
10648 if(serverMoves != NULL) fclose(serverMoves);
10649 serverMoves = fopen(appData.serverMovesName, "r");
10650 if(serverMoves != NULL) {
10651 fclose(serverMoves);
10652 /* delay 15 sec before overwriting, so all clients can see end */
10653 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10655 serverMoves = fopen(appData.serverMovesName, "w");
10659 gameMode = BeginningOfGame;
10661 if(appData.icsActive) gameInfo.variant = VariantNormal;
10662 currentMove = forwardMostMove = backwardMostMove = 0;
10663 InitPosition(redraw);
10664 for (i = 0; i < MAX_MOVES; i++) {
10665 if (commentList[i] != NULL) {
10666 free(commentList[i]);
10667 commentList[i] = NULL;
10671 timeRemaining[0][0] = whiteTimeRemaining;
10672 timeRemaining[1][0] = blackTimeRemaining;
10674 if (first.pr == NoProc) {
10675 StartChessProgram(&first);
10678 InitChessProgram(&first, startedFromSetupPosition);
10681 DisplayMessage("", "");
10682 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10683 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10690 if (!AutoPlayOneMove())
10692 if (matchMode || appData.timeDelay == 0)
10694 if (appData.timeDelay < 0)
10696 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10705 int fromX, fromY, toX, toY;
10707 if (appData.debugMode) {
10708 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10711 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10714 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10715 pvInfoList[currentMove].depth = programStats.depth;
10716 pvInfoList[currentMove].score = programStats.score;
10717 pvInfoList[currentMove].time = 0;
10718 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10721 if (currentMove >= forwardMostMove) {
10722 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10723 // gameMode = EndOfGame;
10724 // ModeHighlight();
10726 /* [AS] Clear current move marker at the end of a game */
10727 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10732 toX = moveList[currentMove][2] - AAA;
10733 toY = moveList[currentMove][3] - ONE;
10735 if (moveList[currentMove][1] == '@') {
10736 if (appData.highlightLastMove) {
10737 SetHighlights(-1, -1, toX, toY);
10740 fromX = moveList[currentMove][0] - AAA;
10741 fromY = moveList[currentMove][1] - ONE;
10743 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10745 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10747 if (appData.highlightLastMove) {
10748 SetHighlights(fromX, fromY, toX, toY);
10751 DisplayMove(currentMove);
10752 SendMoveToProgram(currentMove++, &first);
10753 DisplayBothClocks();
10754 DrawPosition(FALSE, boards[currentMove]);
10755 // [HGM] PV info: always display, routine tests if empty
10756 DisplayComment(currentMove - 1, commentList[currentMove]);
10762 LoadGameOneMove(readAhead)
10763 ChessMove readAhead;
10765 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10766 char promoChar = NULLCHAR;
10767 ChessMove moveType;
10768 char move[MSG_SIZ];
10771 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10772 gameMode != AnalyzeMode && gameMode != Training) {
10777 yyboardindex = forwardMostMove;
10778 if (readAhead != EndOfFile) {
10779 moveType = readAhead;
10781 if (gameFileFP == NULL)
10783 moveType = (ChessMove) Myylex();
10787 switch (moveType) {
10789 if (appData.debugMode)
10790 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10793 /* append the comment but don't display it */
10794 AppendComment(currentMove, p, FALSE);
10797 case WhiteCapturesEnPassant:
10798 case BlackCapturesEnPassant:
10799 case WhitePromotion:
10800 case BlackPromotion:
10801 case WhiteNonPromotion:
10802 case BlackNonPromotion:
10804 case WhiteKingSideCastle:
10805 case WhiteQueenSideCastle:
10806 case BlackKingSideCastle:
10807 case BlackQueenSideCastle:
10808 case WhiteKingSideCastleWild:
10809 case WhiteQueenSideCastleWild:
10810 case BlackKingSideCastleWild:
10811 case BlackQueenSideCastleWild:
10813 case WhiteHSideCastleFR:
10814 case WhiteASideCastleFR:
10815 case BlackHSideCastleFR:
10816 case BlackASideCastleFR:
10818 if (appData.debugMode)
10819 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10820 fromX = currentMoveString[0] - AAA;
10821 fromY = currentMoveString[1] - ONE;
10822 toX = currentMoveString[2] - AAA;
10823 toY = currentMoveString[3] - ONE;
10824 promoChar = currentMoveString[4];
10829 if (appData.debugMode)
10830 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10831 fromX = moveType == WhiteDrop ?
10832 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10833 (int) CharToPiece(ToLower(currentMoveString[0]));
10835 toX = currentMoveString[2] - AAA;
10836 toY = currentMoveString[3] - ONE;
10842 case GameUnfinished:
10843 if (appData.debugMode)
10844 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10845 p = strchr(yy_text, '{');
10846 if (p == NULL) p = strchr(yy_text, '(');
10849 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10851 q = strchr(p, *p == '{' ? '}' : ')');
10852 if (q != NULL) *q = NULLCHAR;
10855 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10856 GameEnds(moveType, p, GE_FILE);
10858 if (cmailMsgLoaded) {
10860 flipView = WhiteOnMove(currentMove);
10861 if (moveType == GameUnfinished) flipView = !flipView;
10862 if (appData.debugMode)
10863 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10868 if (appData.debugMode)
10869 fprintf(debugFP, "Parser hit end of file\n");
10870 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10876 if (WhiteOnMove(currentMove)) {
10877 GameEnds(BlackWins, "Black mates", GE_FILE);
10879 GameEnds(WhiteWins, "White mates", GE_FILE);
10883 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10889 case MoveNumberOne:
10890 if (lastLoadGameStart == GNUChessGame) {
10891 /* GNUChessGames have numbers, but they aren't move numbers */
10892 if (appData.debugMode)
10893 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10894 yy_text, (int) moveType);
10895 return LoadGameOneMove(EndOfFile); /* tail recursion */
10897 /* else fall thru */
10902 /* Reached start of next game in file */
10903 if (appData.debugMode)
10904 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10905 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10911 if (WhiteOnMove(currentMove)) {
10912 GameEnds(BlackWins, "Black mates", GE_FILE);
10914 GameEnds(WhiteWins, "White mates", GE_FILE);
10918 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10924 case PositionDiagram: /* should not happen; ignore */
10925 case ElapsedTime: /* ignore */
10926 case NAG: /* ignore */
10927 if (appData.debugMode)
10928 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10929 yy_text, (int) moveType);
10930 return LoadGameOneMove(EndOfFile); /* tail recursion */
10933 if (appData.testLegality) {
10934 if (appData.debugMode)
10935 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10936 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10937 (forwardMostMove / 2) + 1,
10938 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10939 DisplayError(move, 0);
10942 if (appData.debugMode)
10943 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10944 yy_text, currentMoveString);
10945 fromX = currentMoveString[0] - AAA;
10946 fromY = currentMoveString[1] - ONE;
10947 toX = currentMoveString[2] - AAA;
10948 toY = currentMoveString[3] - ONE;
10949 promoChar = currentMoveString[4];
10953 case AmbiguousMove:
10954 if (appData.debugMode)
10955 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10956 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10957 (forwardMostMove / 2) + 1,
10958 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10959 DisplayError(move, 0);
10964 case ImpossibleMove:
10965 if (appData.debugMode)
10966 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10967 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10968 (forwardMostMove / 2) + 1,
10969 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10970 DisplayError(move, 0);
10976 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10977 DrawPosition(FALSE, boards[currentMove]);
10978 DisplayBothClocks();
10979 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10980 DisplayComment(currentMove - 1, commentList[currentMove]);
10982 (void) StopLoadGameTimer();
10984 cmailOldMove = forwardMostMove;
10987 /* currentMoveString is set as a side-effect of yylex */
10989 thinkOutput[0] = NULLCHAR;
10990 MakeMove(fromX, fromY, toX, toY, promoChar);
10991 currentMove = forwardMostMove;
10996 /* Load the nth game from the given file */
10998 LoadGameFromFile(filename, n, title, useList)
11002 /*Boolean*/ int useList;
11007 if (strcmp(filename, "-") == 0) {
11011 f = fopen(filename, "rb");
11013 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11014 DisplayError(buf, errno);
11018 if (fseek(f, 0, 0) == -1) {
11019 /* f is not seekable; probably a pipe */
11022 if (useList && n == 0) {
11023 int error = GameListBuild(f);
11025 DisplayError(_("Cannot build game list"), error);
11026 } else if (!ListEmpty(&gameList) &&
11027 ((ListGame *) gameList.tailPred)->number > 1) {
11028 GameListPopUp(f, title);
11035 return LoadGame(f, n, title, FALSE);
11040 MakeRegisteredMove()
11042 int fromX, fromY, toX, toY;
11044 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11045 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11048 if (appData.debugMode)
11049 fprintf(debugFP, "Restoring %s for game %d\n",
11050 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11052 thinkOutput[0] = NULLCHAR;
11053 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11054 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11055 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11056 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11057 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11058 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11059 MakeMove(fromX, fromY, toX, toY, promoChar);
11060 ShowMove(fromX, fromY, toX, toY);
11062 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11069 if (WhiteOnMove(currentMove)) {
11070 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11072 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11077 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11084 if (WhiteOnMove(currentMove)) {
11085 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11087 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11092 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11103 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11105 CmailLoadGame(f, gameNumber, title, useList)
11113 if (gameNumber > nCmailGames) {
11114 DisplayError(_("No more games in this message"), 0);
11117 if (f == lastLoadGameFP) {
11118 int offset = gameNumber - lastLoadGameNumber;
11120 cmailMsg[0] = NULLCHAR;
11121 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11122 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11123 nCmailMovesRegistered--;
11125 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11126 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11127 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11130 if (! RegisterMove()) return FALSE;
11134 retVal = LoadGame(f, gameNumber, title, useList);
11136 /* Make move registered during previous look at this game, if any */
11137 MakeRegisteredMove();
11139 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11140 commentList[currentMove]
11141 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11142 DisplayComment(currentMove - 1, commentList[currentMove]);
11148 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11153 int gameNumber = lastLoadGameNumber + offset;
11154 if (lastLoadGameFP == NULL) {
11155 DisplayError(_("No game has been loaded yet"), 0);
11158 if (gameNumber <= 0) {
11159 DisplayError(_("Can't back up any further"), 0);
11162 if (cmailMsgLoaded) {
11163 return CmailLoadGame(lastLoadGameFP, gameNumber,
11164 lastLoadGameTitle, lastLoadGameUseList);
11166 return LoadGame(lastLoadGameFP, gameNumber,
11167 lastLoadGameTitle, lastLoadGameUseList);
11171 int keys[EmptySquare+1];
11174 PositionMatches(Board b1, Board b2)
11177 switch(appData.searchMode) {
11178 case 1: return CompareWithRights(b1, b2);
11180 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11181 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11185 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11186 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11187 sum += keys[b1[r][f]] - keys[b2[r][f]];
11191 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11192 sum += keys[b1[r][f]] - keys[b2[r][f]];
11204 int pieceList[256], quickBoard[256];
11205 ChessSquare pieceType[256] = { EmptySquare };
11206 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11207 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11208 int soughtTotal, turn;
11209 Boolean epOK, flipSearch;
11212 unsigned char piece, to;
11215 #define DSIZE (250000)
11217 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11218 Move *moveDatabase = initialSpace;
11219 unsigned int movePtr, dataSize = DSIZE;
11221 int MakePieceList(Board board, int *counts)
11223 int r, f, n=Q_PROMO, total=0;
11224 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11225 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11226 int sq = f + (r<<4);
11227 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11228 quickBoard[sq] = ++n;
11230 pieceType[n] = board[r][f];
11231 counts[board[r][f]]++;
11232 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11233 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11237 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11241 void PackMove(int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11243 int sq = fromX + (fromY<<4);
11244 int piece = quickBoard[sq];
11245 quickBoard[sq] = 0;
11246 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11247 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11248 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11249 moveDatabase[movePtr++].piece = Q_WCASTL;
11250 quickBoard[sq] = piece;
11251 piece = quickBoard[from]; quickBoard[from] = 0;
11252 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11254 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11255 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11256 moveDatabase[movePtr++].piece = Q_BCASTL;
11257 quickBoard[sq] = piece;
11258 piece = quickBoard[from]; quickBoard[from] = 0;
11259 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11261 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11262 quickBoard[(fromY<<4)+toX] = 0;
11263 moveDatabase[movePtr].piece = Q_EP;
11264 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11265 moveDatabase[movePtr].to = sq;
11267 if(promoPiece != pieceType[piece]) {
11268 moveDatabase[movePtr++].piece = Q_PROMO;
11269 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11271 moveDatabase[movePtr].piece = piece;
11272 quickBoard[sq] = piece;
11276 int PackGame(Board board)
11278 Move *newSpace = NULL;
11279 moveDatabase[movePtr].piece = 0; // terminate previous game
11280 if(movePtr > dataSize) {
11281 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11282 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11283 if(dataSize) newSpace = (Move*) calloc(8*dataSize + 1000, sizeof(Move));
11286 Move *p = moveDatabase, *q = newSpace;
11287 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11288 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11289 moveDatabase = newSpace;
11290 } else { // calloc failed, we must be out of memory. Too bad...
11291 dataSize = 0; // prevent calloc events for all subsequent games
11292 return 0; // and signal this one isn't cached
11296 MakePieceList(board, counts);
11300 int QuickCompare(Board board, int *minCounts, int *maxCounts)
11301 { // compare according to search mode
11303 switch(appData.searchMode)
11305 case 1: // exact position match
11306 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11307 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11308 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11311 case 2: // can have extra material on empty squares
11312 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11313 if(board[r][f] == EmptySquare) continue;
11314 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11317 case 3: // material with exact Pawn structure
11318 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11319 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11320 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11321 } // fall through to material comparison
11322 case 4: // exact material
11323 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11325 case 6: // material range with given imbalance
11326 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11327 // fall through to range comparison
11328 case 5: // material range
11329 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11334 int QuickScan(Board board, Move *move)
11335 { // reconstruct game,and compare all positions in it
11336 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11338 int piece = move->piece;
11339 int to = move->to, from = pieceList[piece];
11340 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11341 if(!piece) return -1;
11342 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11343 piece = (++move)->piece;
11344 from = pieceList[piece];
11345 counts[pieceType[piece]]--;
11346 pieceType[piece] = (ChessSquare) move->to;
11347 counts[move->to]++;
11348 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11349 counts[pieceType[quickBoard[to]]]--;
11350 quickBoard[to] = 0; total--;
11353 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11354 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11355 from = pieceList[piece]; // so this must be King
11356 quickBoard[from] = 0;
11357 quickBoard[to] = piece;
11358 pieceList[piece] = to;
11363 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11364 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11365 quickBoard[from] = 0;
11366 quickBoard[to] = piece;
11367 pieceList[piece] = to;
11369 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11370 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11371 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11372 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11374 static int lastCounts[EmptySquare+1];
11376 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11377 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11378 } else stretch = 0;
11379 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11387 flipSearch = FALSE;
11388 CopyBoard(soughtBoard, boards[currentMove]);
11389 soughtTotal = MakePieceList(soughtBoard, maxSought);
11390 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11391 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11392 CopyBoard(reverseBoard, boards[currentMove]);
11393 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11394 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11395 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11396 reverseBoard[r][f] = piece;
11398 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11399 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11400 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11401 || (boards[currentMove][CASTLING][2] == NoRights ||
11402 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11403 && (boards[currentMove][CASTLING][5] == NoRights ||
11404 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11407 CopyBoard(flipBoard, soughtBoard);
11408 CopyBoard(rotateBoard, reverseBoard);
11409 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11410 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11411 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11414 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11415 if(appData.searchMode >= 5) {
11416 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11417 MakePieceList(soughtBoard, minSought);
11418 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11420 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11421 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11424 GameInfo dummyInfo;
11426 int GameContainsPosition(FILE *f, ListGame *lg)
11428 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11429 int fromX, fromY, toX, toY;
11431 static int initDone=FALSE;
11433 // weed out games based on numerical tag comparison
11434 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11435 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11436 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11437 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11439 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11442 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11443 else CopyBoard(boards[scratch], initialPosition); // default start position
11446 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11447 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11450 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11451 fseek(f, lg->offset, 0);
11454 yyboardindex = scratch;
11455 quickFlag = plyNr+1;
11460 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11466 if(plyNr) return -1; // after we have seen moves, this is for new game
11469 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11470 case ImpossibleMove:
11471 case WhiteWins: // game ends here with these four
11474 case GameUnfinished:
11478 if(appData.testLegality) return -1;
11479 case WhiteCapturesEnPassant:
11480 case BlackCapturesEnPassant:
11481 case WhitePromotion:
11482 case BlackPromotion:
11483 case WhiteNonPromotion:
11484 case BlackNonPromotion:
11486 case WhiteKingSideCastle:
11487 case WhiteQueenSideCastle:
11488 case BlackKingSideCastle:
11489 case BlackQueenSideCastle:
11490 case WhiteKingSideCastleWild:
11491 case WhiteQueenSideCastleWild:
11492 case BlackKingSideCastleWild:
11493 case BlackQueenSideCastleWild:
11494 case WhiteHSideCastleFR:
11495 case WhiteASideCastleFR:
11496 case BlackHSideCastleFR:
11497 case BlackASideCastleFR:
11498 fromX = currentMoveString[0] - AAA;
11499 fromY = currentMoveString[1] - ONE;
11500 toX = currentMoveString[2] - AAA;
11501 toY = currentMoveString[3] - ONE;
11502 promoChar = currentMoveString[4];
11506 fromX = next == WhiteDrop ?
11507 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11508 (int) CharToPiece(ToLower(currentMoveString[0]));
11510 toX = currentMoveString[2] - AAA;
11511 toY = currentMoveString[3] - ONE;
11515 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11517 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11518 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11519 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11520 if(appData.findMirror) {
11521 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11522 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11527 /* Load the nth game from open file f */
11529 LoadGame(f, gameNumber, title, useList)
11537 int gn = gameNumber;
11538 ListGame *lg = NULL;
11539 int numPGNTags = 0;
11541 GameMode oldGameMode;
11542 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11544 if (appData.debugMode)
11545 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11547 if (gameMode == Training )
11548 SetTrainingModeOff();
11550 oldGameMode = gameMode;
11551 if (gameMode != BeginningOfGame) {
11552 Reset(FALSE, TRUE);
11556 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11557 fclose(lastLoadGameFP);
11561 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11564 fseek(f, lg->offset, 0);
11565 GameListHighlight(gameNumber);
11566 pos = lg->position;
11570 DisplayError(_("Game number out of range"), 0);
11575 if (fseek(f, 0, 0) == -1) {
11576 if (f == lastLoadGameFP ?
11577 gameNumber == lastLoadGameNumber + 1 :
11581 DisplayError(_("Can't seek on game file"), 0);
11586 lastLoadGameFP = f;
11587 lastLoadGameNumber = gameNumber;
11588 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11589 lastLoadGameUseList = useList;
11593 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11594 snprintf(buf, sizeof(buf), _("%s vs. %s"), lg->gameInfo.white,
11595 lg->gameInfo.black);
11597 } else if (*title != NULLCHAR) {
11598 if (gameNumber > 1) {
11599 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11602 DisplayTitle(title);
11606 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11607 gameMode = PlayFromGameFile;
11611 currentMove = forwardMostMove = backwardMostMove = 0;
11612 CopyBoard(boards[0], initialPosition);
11616 * Skip the first gn-1 games in the file.
11617 * Also skip over anything that precedes an identifiable
11618 * start of game marker, to avoid being confused by
11619 * garbage at the start of the file. Currently
11620 * recognized start of game markers are the move number "1",
11621 * the pattern "gnuchess .* game", the pattern
11622 * "^[#;%] [^ ]* game file", and a PGN tag block.
11623 * A game that starts with one of the latter two patterns
11624 * will also have a move number 1, possibly
11625 * following a position diagram.
11626 * 5-4-02: Let's try being more lenient and allowing a game to
11627 * start with an unnumbered move. Does that break anything?
11629 cm = lastLoadGameStart = EndOfFile;
11631 yyboardindex = forwardMostMove;
11632 cm = (ChessMove) Myylex();
11635 if (cmailMsgLoaded) {
11636 nCmailGames = CMAIL_MAX_GAMES - gn;
11639 DisplayError(_("Game not found in file"), 0);
11646 lastLoadGameStart = cm;
11649 case MoveNumberOne:
11650 switch (lastLoadGameStart) {
11655 case MoveNumberOne:
11657 gn--; /* count this game */
11658 lastLoadGameStart = cm;
11667 switch (lastLoadGameStart) {
11670 case MoveNumberOne:
11672 gn--; /* count this game */
11673 lastLoadGameStart = cm;
11676 lastLoadGameStart = cm; /* game counted already */
11684 yyboardindex = forwardMostMove;
11685 cm = (ChessMove) Myylex();
11686 } while (cm == PGNTag || cm == Comment);
11693 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11694 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11695 != CMAIL_OLD_RESULT) {
11697 cmailResult[ CMAIL_MAX_GAMES
11698 - gn - 1] = CMAIL_OLD_RESULT;
11704 /* Only a NormalMove can be at the start of a game
11705 * without a position diagram. */
11706 if (lastLoadGameStart == EndOfFile ) {
11708 lastLoadGameStart = MoveNumberOne;
11717 if (appData.debugMode)
11718 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11720 if (cm == XBoardGame) {
11721 /* Skip any header junk before position diagram and/or move 1 */
11723 yyboardindex = forwardMostMove;
11724 cm = (ChessMove) Myylex();
11726 if (cm == EndOfFile ||
11727 cm == GNUChessGame || cm == XBoardGame) {
11728 /* Empty game; pretend end-of-file and handle later */
11733 if (cm == MoveNumberOne || cm == PositionDiagram ||
11734 cm == PGNTag || cm == Comment)
11737 } else if (cm == GNUChessGame) {
11738 if (gameInfo.event != NULL) {
11739 free(gameInfo.event);
11741 gameInfo.event = StrSave(yy_text);
11744 startedFromSetupPosition = FALSE;
11745 while (cm == PGNTag) {
11746 if (appData.debugMode)
11747 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11748 err = ParsePGNTag(yy_text, &gameInfo);
11749 if (!err) numPGNTags++;
11751 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11752 if(gameInfo.variant != oldVariant) {
11753 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11754 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11755 InitPosition(TRUE);
11756 oldVariant = gameInfo.variant;
11757 if (appData.debugMode)
11758 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11762 if (gameInfo.fen != NULL) {
11763 Board initial_position;
11764 startedFromSetupPosition = TRUE;
11765 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11767 DisplayError(_("Bad FEN position in file"), 0);
11770 CopyBoard(boards[0], initial_position);
11771 if (blackPlaysFirst) {
11772 currentMove = forwardMostMove = backwardMostMove = 1;
11773 CopyBoard(boards[1], initial_position);
11774 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11775 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11776 timeRemaining[0][1] = whiteTimeRemaining;
11777 timeRemaining[1][1] = blackTimeRemaining;
11778 if (commentList[0] != NULL) {
11779 commentList[1] = commentList[0];
11780 commentList[0] = NULL;
11783 currentMove = forwardMostMove = backwardMostMove = 0;
11785 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11787 initialRulePlies = FENrulePlies;
11788 for( i=0; i< nrCastlingRights; i++ )
11789 initialRights[i] = initial_position[CASTLING][i];
11791 yyboardindex = forwardMostMove;
11792 free(gameInfo.fen);
11793 gameInfo.fen = NULL;
11796 yyboardindex = forwardMostMove;
11797 cm = (ChessMove) Myylex();
11799 /* Handle comments interspersed among the tags */
11800 while (cm == Comment) {
11802 if (appData.debugMode)
11803 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11805 AppendComment(currentMove, p, FALSE);
11806 yyboardindex = forwardMostMove;
11807 cm = (ChessMove) Myylex();
11811 /* don't rely on existence of Event tag since if game was
11812 * pasted from clipboard the Event tag may not exist
11814 if (numPGNTags > 0){
11816 if (gameInfo.variant == VariantNormal) {
11817 VariantClass v = StringToVariant(gameInfo.event);
11818 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11819 if(v < VariantShogi) gameInfo.variant = v;
11822 if( appData.autoDisplayTags ) {
11823 tags = PGNTags(&gameInfo);
11824 TagsPopUp(tags, CmailMsg());
11829 /* Make something up, but don't display it now */
11834 if (cm == PositionDiagram) {
11837 Board initial_position;
11839 if (appData.debugMode)
11840 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11842 if (!startedFromSetupPosition) {
11844 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11845 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11856 initial_position[i][j++] = CharToPiece(*p);
11859 while (*p == ' ' || *p == '\t' ||
11860 *p == '\n' || *p == '\r') p++;
11862 if (strncmp(p, "black", strlen("black"))==0)
11863 blackPlaysFirst = TRUE;
11865 blackPlaysFirst = FALSE;
11866 startedFromSetupPosition = TRUE;
11868 CopyBoard(boards[0], initial_position);
11869 if (blackPlaysFirst) {
11870 currentMove = forwardMostMove = backwardMostMove = 1;
11871 CopyBoard(boards[1], initial_position);
11872 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11873 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11874 timeRemaining[0][1] = whiteTimeRemaining;
11875 timeRemaining[1][1] = blackTimeRemaining;
11876 if (commentList[0] != NULL) {
11877 commentList[1] = commentList[0];
11878 commentList[0] = NULL;
11881 currentMove = forwardMostMove = backwardMostMove = 0;
11884 yyboardindex = forwardMostMove;
11885 cm = (ChessMove) Myylex();
11888 if (first.pr == NoProc) {
11889 StartChessProgram(&first);
11891 InitChessProgram(&first, FALSE);
11892 SendToProgram("force\n", &first);
11893 if (startedFromSetupPosition) {
11894 SendBoard(&first, forwardMostMove);
11895 if (appData.debugMode) {
11896 fprintf(debugFP, "Load Game\n");
11898 DisplayBothClocks();
11901 /* [HGM] server: flag to write setup moves in broadcast file as one */
11902 loadFlag = appData.suppressLoadMoves;
11904 while (cm == Comment) {
11906 if (appData.debugMode)
11907 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11909 AppendComment(currentMove, p, FALSE);
11910 yyboardindex = forwardMostMove;
11911 cm = (ChessMove) Myylex();
11914 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11915 cm == WhiteWins || cm == BlackWins ||
11916 cm == GameIsDrawn || cm == GameUnfinished) {
11917 DisplayMessage("", _("No moves in game"));
11918 if (cmailMsgLoaded) {
11919 if (appData.debugMode)
11920 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11924 DrawPosition(FALSE, boards[currentMove]);
11925 DisplayBothClocks();
11926 gameMode = EditGame;
11933 // [HGM] PV info: routine tests if comment empty
11934 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11935 DisplayComment(currentMove - 1, commentList[currentMove]);
11937 if (!matchMode && appData.timeDelay != 0)
11938 DrawPosition(FALSE, boards[currentMove]);
11940 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11941 programStats.ok_to_send = 1;
11944 /* if the first token after the PGN tags is a move
11945 * and not move number 1, retrieve it from the parser
11947 if (cm != MoveNumberOne)
11948 LoadGameOneMove(cm);
11950 /* load the remaining moves from the file */
11951 while (LoadGameOneMove(EndOfFile)) {
11952 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11953 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11956 /* rewind to the start of the game */
11957 currentMove = backwardMostMove;
11959 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11961 if (oldGameMode == AnalyzeFile ||
11962 oldGameMode == AnalyzeMode) {
11963 AnalyzeFileEvent();
11966 if (!matchMode && pos >= 0) {
11967 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11969 if (matchMode || appData.timeDelay == 0) {
11971 } else if (appData.timeDelay > 0) {
11972 AutoPlayGameLoop();
11975 if (appData.debugMode)
11976 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11978 loadFlag = 0; /* [HGM] true game starts */
11982 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11984 ReloadPosition(offset)
11987 int positionNumber = lastLoadPositionNumber + offset;
11988 if (lastLoadPositionFP == NULL) {
11989 DisplayError(_("No position has been loaded yet"), 0);
11992 if (positionNumber <= 0) {
11993 DisplayError(_("Can't back up any further"), 0);
11996 return LoadPosition(lastLoadPositionFP, positionNumber,
11997 lastLoadPositionTitle);
12000 /* Load the nth position from the given file */
12002 LoadPositionFromFile(filename, n, title)
12010 if (strcmp(filename, "-") == 0) {
12011 return LoadPosition(stdin, n, "stdin");
12013 f = fopen(filename, "rb");
12015 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12016 DisplayError(buf, errno);
12019 return LoadPosition(f, n, title);
12024 /* Load the nth position from the given open file, and close it */
12026 LoadPosition(f, positionNumber, title)
12028 int positionNumber;
12031 char *p, line[MSG_SIZ];
12032 Board initial_position;
12033 int i, j, fenMode, pn;
12035 if (gameMode == Training )
12036 SetTrainingModeOff();
12038 if (gameMode != BeginningOfGame) {
12039 Reset(FALSE, TRUE);
12041 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12042 fclose(lastLoadPositionFP);
12044 if (positionNumber == 0) positionNumber = 1;
12045 lastLoadPositionFP = f;
12046 lastLoadPositionNumber = positionNumber;
12047 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12048 if (first.pr == NoProc && !appData.noChessProgram) {
12049 StartChessProgram(&first);
12050 InitChessProgram(&first, FALSE);
12052 pn = positionNumber;
12053 if (positionNumber < 0) {
12054 /* Negative position number means to seek to that byte offset */
12055 if (fseek(f, -positionNumber, 0) == -1) {
12056 DisplayError(_("Can't seek on position file"), 0);
12061 if (fseek(f, 0, 0) == -1) {
12062 if (f == lastLoadPositionFP ?
12063 positionNumber == lastLoadPositionNumber + 1 :
12064 positionNumber == 1) {
12067 DisplayError(_("Can't seek on position file"), 0);
12072 /* See if this file is FEN or old-style xboard */
12073 if (fgets(line, MSG_SIZ, f) == NULL) {
12074 DisplayError(_("Position not found in file"), 0);
12077 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12078 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12081 if (fenMode || line[0] == '#') pn--;
12083 /* skip positions before number pn */
12084 if (fgets(line, MSG_SIZ, f) == NULL) {
12086 DisplayError(_("Position not found in file"), 0);
12089 if (fenMode || line[0] == '#') pn--;
12094 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12095 DisplayError(_("Bad FEN position in file"), 0);
12099 (void) fgets(line, MSG_SIZ, f);
12100 (void) fgets(line, MSG_SIZ, f);
12102 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12103 (void) fgets(line, MSG_SIZ, f);
12104 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12107 initial_position[i][j++] = CharToPiece(*p);
12111 blackPlaysFirst = FALSE;
12113 (void) fgets(line, MSG_SIZ, f);
12114 if (strncmp(line, "black", strlen("black"))==0)
12115 blackPlaysFirst = TRUE;
12118 startedFromSetupPosition = TRUE;
12120 CopyBoard(boards[0], initial_position);
12121 if (blackPlaysFirst) {
12122 currentMove = forwardMostMove = backwardMostMove = 1;
12123 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12124 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12125 CopyBoard(boards[1], initial_position);
12126 DisplayMessage("", _("Black to play"));
12128 currentMove = forwardMostMove = backwardMostMove = 0;
12129 DisplayMessage("", _("White to play"));
12131 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12132 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12133 SendToProgram("force\n", &first);
12134 SendBoard(&first, forwardMostMove);
12136 if (appData.debugMode) {
12138 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12139 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12140 fprintf(debugFP, "Load Position\n");
12143 if (positionNumber > 1) {
12144 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12145 DisplayTitle(line);
12147 DisplayTitle(title);
12149 gameMode = EditGame;
12152 timeRemaining[0][1] = whiteTimeRemaining;
12153 timeRemaining[1][1] = blackTimeRemaining;
12154 DrawPosition(FALSE, boards[currentMove]);
12161 CopyPlayerNameIntoFileName(dest, src)
12164 while (*src != NULLCHAR && *src != ',') {
12169 *(*dest)++ = *src++;
12174 char *DefaultFileName(ext)
12177 static char def[MSG_SIZ];
12180 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12182 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12184 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12186 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12193 /* Save the current game to the given file */
12195 SaveGameToFile(filename, append)
12201 int result, i, t,tot=0;
12203 if (strcmp(filename, "-") == 0) {
12204 return SaveGame(stdout, 0, NULL);
12206 for(i=0; i<10; i++) { // upto 10 tries
12207 f = fopen(filename, append ? "a" : "w");
12208 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12209 if(f || errno != 13) break;
12210 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12214 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12215 DisplayError(buf, errno);
12218 safeStrCpy(buf, lastMsg, MSG_SIZ);
12219 DisplayMessage(_("Waiting for access to save file"), "");
12220 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12221 DisplayMessage(_("Saving game"), "");
12222 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12223 result = SaveGame(f, 0, NULL);
12224 DisplayMessage(buf, "");
12234 static char buf[MSG_SIZ];
12237 p = strchr(str, ' ');
12238 if (p == NULL) return str;
12239 strncpy(buf, str, p - str);
12240 buf[p - str] = NULLCHAR;
12244 #define PGN_MAX_LINE 75
12246 #define PGN_SIDE_WHITE 0
12247 #define PGN_SIDE_BLACK 1
12250 static int FindFirstMoveOutOfBook( int side )
12254 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12255 int index = backwardMostMove;
12256 int has_book_hit = 0;
12258 if( (index % 2) != side ) {
12262 while( index < forwardMostMove ) {
12263 /* Check to see if engine is in book */
12264 int depth = pvInfoList[index].depth;
12265 int score = pvInfoList[index].score;
12271 else if( score == 0 && depth == 63 ) {
12272 in_book = 1; /* Zappa */
12274 else if( score == 2 && depth == 99 ) {
12275 in_book = 1; /* Abrok */
12278 has_book_hit += in_book;
12294 void GetOutOfBookInfo( char * buf )
12298 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12300 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12301 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12305 if( oob[0] >= 0 || oob[1] >= 0 ) {
12306 for( i=0; i<2; i++ ) {
12310 if( i > 0 && oob[0] >= 0 ) {
12311 strcat( buf, " " );
12314 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12315 sprintf( buf+strlen(buf), "%s%.2f",
12316 pvInfoList[idx].score >= 0 ? "+" : "",
12317 pvInfoList[idx].score / 100.0 );
12323 /* Save game in PGN style and close the file */
12328 int i, offset, linelen, newblock;
12332 int movelen, numlen, blank;
12333 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12335 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12337 tm = time((time_t *) NULL);
12339 PrintPGNTags(f, &gameInfo);
12341 if (backwardMostMove > 0 || startedFromSetupPosition) {
12342 char *fen = PositionToFEN(backwardMostMove, NULL);
12343 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12344 fprintf(f, "\n{--------------\n");
12345 PrintPosition(f, backwardMostMove);
12346 fprintf(f, "--------------}\n");
12350 /* [AS] Out of book annotation */
12351 if( appData.saveOutOfBookInfo ) {
12354 GetOutOfBookInfo( buf );
12356 if( buf[0] != '\0' ) {
12357 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12364 i = backwardMostMove;
12368 while (i < forwardMostMove) {
12369 /* Print comments preceding this move */
12370 if (commentList[i] != NULL) {
12371 if (linelen > 0) fprintf(f, "\n");
12372 fprintf(f, "%s", commentList[i]);
12377 /* Format move number */
12379 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12382 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12384 numtext[0] = NULLCHAR;
12386 numlen = strlen(numtext);
12389 /* Print move number */
12390 blank = linelen > 0 && numlen > 0;
12391 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12400 fprintf(f, "%s", numtext);
12404 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12405 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12408 blank = linelen > 0 && movelen > 0;
12409 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12418 fprintf(f, "%s", move_buffer);
12419 linelen += movelen;
12421 /* [AS] Add PV info if present */
12422 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12423 /* [HGM] add time */
12424 char buf[MSG_SIZ]; int seconds;
12426 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12432 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12435 seconds = (seconds + 4)/10; // round to full seconds
12437 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12439 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12442 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12443 pvInfoList[i].score >= 0 ? "+" : "",
12444 pvInfoList[i].score / 100.0,
12445 pvInfoList[i].depth,
12448 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12450 /* Print score/depth */
12451 blank = linelen > 0 && movelen > 0;
12452 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12461 fprintf(f, "%s", move_buffer);
12462 linelen += movelen;
12468 /* Start a new line */
12469 if (linelen > 0) fprintf(f, "\n");
12471 /* Print comments after last move */
12472 if (commentList[i] != NULL) {
12473 fprintf(f, "%s\n", commentList[i]);
12477 if (gameInfo.resultDetails != NULL &&
12478 gameInfo.resultDetails[0] != NULLCHAR) {
12479 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12480 PGNResult(gameInfo.result));
12482 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12486 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12490 /* Save game in old style and close the file */
12492 SaveGameOldStyle(f)
12498 tm = time((time_t *) NULL);
12500 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12503 if (backwardMostMove > 0 || startedFromSetupPosition) {
12504 fprintf(f, "\n[--------------\n");
12505 PrintPosition(f, backwardMostMove);
12506 fprintf(f, "--------------]\n");
12511 i = backwardMostMove;
12512 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12514 while (i < forwardMostMove) {
12515 if (commentList[i] != NULL) {
12516 fprintf(f, "[%s]\n", commentList[i]);
12519 if ((i % 2) == 1) {
12520 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12523 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12525 if (commentList[i] != NULL) {
12529 if (i >= forwardMostMove) {
12533 fprintf(f, "%s\n", parseList[i]);
12538 if (commentList[i] != NULL) {
12539 fprintf(f, "[%s]\n", commentList[i]);
12542 /* This isn't really the old style, but it's close enough */
12543 if (gameInfo.resultDetails != NULL &&
12544 gameInfo.resultDetails[0] != NULLCHAR) {
12545 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12546 gameInfo.resultDetails);
12548 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12555 /* Save the current game to open file f and close the file */
12557 SaveGame(f, dummy, dummy2)
12562 if (gameMode == EditPosition) EditPositionDone(TRUE);
12563 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12564 if (appData.oldSaveStyle)
12565 return SaveGameOldStyle(f);
12567 return SaveGamePGN(f);
12570 /* Save the current position to the given file */
12572 SavePositionToFile(filename)
12578 if (strcmp(filename, "-") == 0) {
12579 return SavePosition(stdout, 0, NULL);
12581 f = fopen(filename, "a");
12583 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12584 DisplayError(buf, errno);
12587 safeStrCpy(buf, lastMsg, MSG_SIZ);
12588 DisplayMessage(_("Waiting for access to save file"), "");
12589 flock(fileno(f), LOCK_EX); // [HGM] lock
12590 DisplayMessage(_("Saving position"), "");
12591 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12592 SavePosition(f, 0, NULL);
12593 DisplayMessage(buf, "");
12599 /* Save the current position to the given open file and close the file */
12601 SavePosition(f, dummy, dummy2)
12609 if (gameMode == EditPosition) EditPositionDone(TRUE);
12610 if (appData.oldSaveStyle) {
12611 tm = time((time_t *) NULL);
12613 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12615 fprintf(f, "[--------------\n");
12616 PrintPosition(f, currentMove);
12617 fprintf(f, "--------------]\n");
12619 fen = PositionToFEN(currentMove, NULL);
12620 fprintf(f, "%s\n", fen);
12628 ReloadCmailMsgEvent(unregister)
12632 static char *inFilename = NULL;
12633 static char *outFilename;
12635 struct stat inbuf, outbuf;
12638 /* Any registered moves are unregistered if unregister is set, */
12639 /* i.e. invoked by the signal handler */
12641 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12642 cmailMoveRegistered[i] = FALSE;
12643 if (cmailCommentList[i] != NULL) {
12644 free(cmailCommentList[i]);
12645 cmailCommentList[i] = NULL;
12648 nCmailMovesRegistered = 0;
12651 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12652 cmailResult[i] = CMAIL_NOT_RESULT;
12656 if (inFilename == NULL) {
12657 /* Because the filenames are static they only get malloced once */
12658 /* and they never get freed */
12659 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12660 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12662 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12663 sprintf(outFilename, "%s.out", appData.cmailGameName);
12666 status = stat(outFilename, &outbuf);
12668 cmailMailedMove = FALSE;
12670 status = stat(inFilename, &inbuf);
12671 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12674 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12675 counts the games, notes how each one terminated, etc.
12677 It would be nice to remove this kludge and instead gather all
12678 the information while building the game list. (And to keep it
12679 in the game list nodes instead of having a bunch of fixed-size
12680 parallel arrays.) Note this will require getting each game's
12681 termination from the PGN tags, as the game list builder does
12682 not process the game moves. --mann
12684 cmailMsgLoaded = TRUE;
12685 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12687 /* Load first game in the file or popup game menu */
12688 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12690 #endif /* !WIN32 */
12698 char string[MSG_SIZ];
12700 if ( cmailMailedMove
12701 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12702 return TRUE; /* Allow free viewing */
12705 /* Unregister move to ensure that we don't leave RegisterMove */
12706 /* with the move registered when the conditions for registering no */
12708 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12709 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12710 nCmailMovesRegistered --;
12712 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12714 free(cmailCommentList[lastLoadGameNumber - 1]);
12715 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12719 if (cmailOldMove == -1) {
12720 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12724 if (currentMove > cmailOldMove + 1) {
12725 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12729 if (currentMove < cmailOldMove) {
12730 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12734 if (forwardMostMove > currentMove) {
12735 /* Silently truncate extra moves */
12739 if ( (currentMove == cmailOldMove + 1)
12740 || ( (currentMove == cmailOldMove)
12741 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12742 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12743 if (gameInfo.result != GameUnfinished) {
12744 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12747 if (commentList[currentMove] != NULL) {
12748 cmailCommentList[lastLoadGameNumber - 1]
12749 = StrSave(commentList[currentMove]);
12751 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12753 if (appData.debugMode)
12754 fprintf(debugFP, "Saving %s for game %d\n",
12755 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12757 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12759 f = fopen(string, "w");
12760 if (appData.oldSaveStyle) {
12761 SaveGameOldStyle(f); /* also closes the file */
12763 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12764 f = fopen(string, "w");
12765 SavePosition(f, 0, NULL); /* also closes the file */
12767 fprintf(f, "{--------------\n");
12768 PrintPosition(f, currentMove);
12769 fprintf(f, "--------------}\n\n");
12771 SaveGame(f, 0, NULL); /* also closes the file*/
12774 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12775 nCmailMovesRegistered ++;
12776 } else if (nCmailGames == 1) {
12777 DisplayError(_("You have not made a move yet"), 0);
12788 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12789 FILE *commandOutput;
12790 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12791 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12797 if (! cmailMsgLoaded) {
12798 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12802 if (nCmailGames == nCmailResults) {
12803 DisplayError(_("No unfinished games"), 0);
12807 #if CMAIL_PROHIBIT_REMAIL
12808 if (cmailMailedMove) {
12809 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);
12810 DisplayError(msg, 0);
12815 if (! (cmailMailedMove || RegisterMove())) return;
12817 if ( cmailMailedMove
12818 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12819 snprintf(string, MSG_SIZ, partCommandString,
12820 appData.debugMode ? " -v" : "", appData.cmailGameName);
12821 commandOutput = popen(string, "r");
12823 if (commandOutput == NULL) {
12824 DisplayError(_("Failed to invoke cmail"), 0);
12826 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12827 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12829 if (nBuffers > 1) {
12830 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12831 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12832 nBytes = MSG_SIZ - 1;
12834 (void) memcpy(msg, buffer, nBytes);
12836 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12838 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12839 cmailMailedMove = TRUE; /* Prevent >1 moves */
12842 for (i = 0; i < nCmailGames; i ++) {
12843 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12848 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12850 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12852 appData.cmailGameName,
12854 LoadGameFromFile(buffer, 1, buffer, FALSE);
12855 cmailMsgLoaded = FALSE;
12859 DisplayInformation(msg);
12860 pclose(commandOutput);
12863 if ((*cmailMsg) != '\0') {
12864 DisplayInformation(cmailMsg);
12869 #endif /* !WIN32 */
12878 int prependComma = 0;
12880 char string[MSG_SIZ]; /* Space for game-list */
12883 if (!cmailMsgLoaded) return "";
12885 if (cmailMailedMove) {
12886 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12888 /* Create a list of games left */
12889 snprintf(string, MSG_SIZ, "[");
12890 for (i = 0; i < nCmailGames; i ++) {
12891 if (! ( cmailMoveRegistered[i]
12892 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12893 if (prependComma) {
12894 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12896 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12900 strcat(string, number);
12903 strcat(string, "]");
12905 if (nCmailMovesRegistered + nCmailResults == 0) {
12906 switch (nCmailGames) {
12908 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12912 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12916 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12921 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12923 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12928 if (nCmailResults == nCmailGames) {
12929 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12931 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12936 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12948 if (gameMode == Training)
12949 SetTrainingModeOff();
12952 cmailMsgLoaded = FALSE;
12953 if (appData.icsActive) {
12954 SendToICS(ics_prefix);
12955 SendToICS("refresh\n");
12965 /* Give up on clean exit */
12969 /* Keep trying for clean exit */
12973 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12975 if (telnetISR != NULL) {
12976 RemoveInputSource(telnetISR);
12978 if (icsPR != NoProc) {
12979 DestroyChildProcess(icsPR, TRUE);
12982 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12983 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12985 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12986 /* make sure this other one finishes before killing it! */
12987 if(endingGame) { int count = 0;
12988 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12989 while(endingGame && count++ < 10) DoSleep(1);
12990 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12993 /* Kill off chess programs */
12994 if (first.pr != NoProc) {
12997 DoSleep( appData.delayBeforeQuit );
12998 SendToProgram("quit\n", &first);
12999 DoSleep( appData.delayAfterQuit );
13000 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13002 if (second.pr != NoProc) {
13003 DoSleep( appData.delayBeforeQuit );
13004 SendToProgram("quit\n", &second);
13005 DoSleep( appData.delayAfterQuit );
13006 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13008 if (first.isr != NULL) {
13009 RemoveInputSource(first.isr);
13011 if (second.isr != NULL) {
13012 RemoveInputSource(second.isr);
13015 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13016 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13018 ShutDownFrontEnd();
13025 if (appData.debugMode)
13026 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13030 if (gameMode == MachinePlaysWhite ||
13031 gameMode == MachinePlaysBlack) {
13034 DisplayBothClocks();
13036 if (gameMode == PlayFromGameFile) {
13037 if (appData.timeDelay >= 0)
13038 AutoPlayGameLoop();
13039 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13040 Reset(FALSE, TRUE);
13041 SendToICS(ics_prefix);
13042 SendToICS("refresh\n");
13043 } else if (currentMove < forwardMostMove) {
13044 ForwardInner(forwardMostMove);
13046 pauseExamInvalid = FALSE;
13048 switch (gameMode) {
13052 pauseExamForwardMostMove = forwardMostMove;
13053 pauseExamInvalid = FALSE;
13056 case IcsPlayingWhite:
13057 case IcsPlayingBlack:
13061 case PlayFromGameFile:
13062 (void) StopLoadGameTimer();
13066 case BeginningOfGame:
13067 if (appData.icsActive) return;
13068 /* else fall through */
13069 case MachinePlaysWhite:
13070 case MachinePlaysBlack:
13071 case TwoMachinesPlay:
13072 if (forwardMostMove == 0)
13073 return; /* don't pause if no one has moved */
13074 if ((gameMode == MachinePlaysWhite &&
13075 !WhiteOnMove(forwardMostMove)) ||
13076 (gameMode == MachinePlaysBlack &&
13077 WhiteOnMove(forwardMostMove))) {
13090 char title[MSG_SIZ];
13092 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13093 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13095 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13096 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13097 parseList[currentMove - 1]);
13100 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13107 char *tags = PGNTags(&gameInfo);
13109 EditTagsPopUp(tags, NULL);
13116 if (appData.noChessProgram || gameMode == AnalyzeMode)
13119 if (gameMode != AnalyzeFile) {
13120 if (!appData.icsEngineAnalyze) {
13122 if (gameMode != EditGame) return;
13124 ResurrectChessProgram();
13125 SendToProgram("analyze\n", &first);
13126 first.analyzing = TRUE;
13127 /*first.maybeThinking = TRUE;*/
13128 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13129 EngineOutputPopUp();
13131 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13136 StartAnalysisClock();
13137 GetTimeMark(&lastNodeCountTime);
13144 if (appData.noChessProgram || gameMode == AnalyzeFile)
13147 if (gameMode != AnalyzeMode) {
13149 if (gameMode != EditGame) return;
13150 ResurrectChessProgram();
13151 SendToProgram("analyze\n", &first);
13152 first.analyzing = TRUE;
13153 /*first.maybeThinking = TRUE;*/
13154 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13155 EngineOutputPopUp();
13157 gameMode = AnalyzeFile;
13162 StartAnalysisClock();
13163 GetTimeMark(&lastNodeCountTime);
13165 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13169 MachineWhiteEvent()
13172 char *bookHit = NULL;
13174 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13178 if (gameMode == PlayFromGameFile ||
13179 gameMode == TwoMachinesPlay ||
13180 gameMode == Training ||
13181 gameMode == AnalyzeMode ||
13182 gameMode == EndOfGame)
13185 if (gameMode == EditPosition)
13186 EditPositionDone(TRUE);
13188 if (!WhiteOnMove(currentMove)) {
13189 DisplayError(_("It is not White's turn"), 0);
13193 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13196 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13197 gameMode == AnalyzeFile)
13200 ResurrectChessProgram(); /* in case it isn't running */
13201 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13202 gameMode = MachinePlaysWhite;
13205 gameMode = MachinePlaysWhite;
13209 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
13211 if (first.sendName) {
13212 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13213 SendToProgram(buf, &first);
13215 if (first.sendTime) {
13216 if (first.useColors) {
13217 SendToProgram("black\n", &first); /*gnu kludge*/
13219 SendTimeRemaining(&first, TRUE);
13221 if (first.useColors) {
13222 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13224 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13225 SetMachineThinkingEnables();
13226 first.maybeThinking = TRUE;
13230 if (appData.autoFlipView && !flipView) {
13231 flipView = !flipView;
13232 DrawPosition(FALSE, NULL);
13233 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13236 if(bookHit) { // [HGM] book: simulate book reply
13237 static char bookMove[MSG_SIZ]; // a bit generous?
13239 programStats.nodes = programStats.depth = programStats.time =
13240 programStats.score = programStats.got_only_move = 0;
13241 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13243 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13244 strcat(bookMove, bookHit);
13245 HandleMachineMove(bookMove, &first);
13250 MachineBlackEvent()
13253 char *bookHit = NULL;
13255 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13259 if (gameMode == PlayFromGameFile ||
13260 gameMode == TwoMachinesPlay ||
13261 gameMode == Training ||
13262 gameMode == AnalyzeMode ||
13263 gameMode == EndOfGame)
13266 if (gameMode == EditPosition)
13267 EditPositionDone(TRUE);
13269 if (WhiteOnMove(currentMove)) {
13270 DisplayError(_("It is not Black's turn"), 0);
13274 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13277 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13278 gameMode == AnalyzeFile)
13281 ResurrectChessProgram(); /* in case it isn't running */
13282 gameMode = MachinePlaysBlack;
13286 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
13288 if (first.sendName) {
13289 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13290 SendToProgram(buf, &first);
13292 if (first.sendTime) {
13293 if (first.useColors) {
13294 SendToProgram("white\n", &first); /*gnu kludge*/
13296 SendTimeRemaining(&first, FALSE);
13298 if (first.useColors) {
13299 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13301 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13302 SetMachineThinkingEnables();
13303 first.maybeThinking = TRUE;
13306 if (appData.autoFlipView && flipView) {
13307 flipView = !flipView;
13308 DrawPosition(FALSE, NULL);
13309 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13311 if(bookHit) { // [HGM] book: simulate book reply
13312 static char bookMove[MSG_SIZ]; // a bit generous?
13314 programStats.nodes = programStats.depth = programStats.time =
13315 programStats.score = programStats.got_only_move = 0;
13316 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13318 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13319 strcat(bookMove, bookHit);
13320 HandleMachineMove(bookMove, &first);
13326 DisplayTwoMachinesTitle()
13329 if (appData.matchGames > 0) {
13330 if(appData.tourneyFile[0]) {
13331 snprintf(buf, MSG_SIZ, _("%s vs. %s (%d/%d%s)"),
13332 gameInfo.white, gameInfo.black,
13333 nextGame+1, appData.matchGames+1,
13334 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13336 if (first.twoMachinesColor[0] == 'w') {
13337 snprintf(buf, MSG_SIZ, _("%s vs. %s (%d-%d-%d)"),
13338 gameInfo.white, gameInfo.black,
13339 first.matchWins, second.matchWins,
13340 matchGame - 1 - (first.matchWins + second.matchWins));
13342 snprintf(buf, MSG_SIZ, _("%s vs. %s (%d-%d-%d)"),
13343 gameInfo.white, gameInfo.black,
13344 second.matchWins, first.matchWins,
13345 matchGame - 1 - (first.matchWins + second.matchWins));
13348 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
13354 SettingsMenuIfReady()
13356 if (second.lastPing != second.lastPong) {
13357 DisplayMessage("", _("Waiting for second chess program"));
13358 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13362 DisplayMessage("", "");
13363 SettingsPopUp(&second);
13367 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
13370 if (cps->pr == NoProc) {
13371 StartChessProgram(cps);
13372 if (cps->protocolVersion == 1) {
13375 /* kludge: allow timeout for initial "feature" command */
13377 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13378 DisplayMessage("", buf);
13379 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13387 TwoMachinesEvent P((void))
13391 ChessProgramState *onmove;
13392 char *bookHit = NULL;
13393 static int stalling = 0;
13397 if (appData.noChessProgram) return;
13399 switch (gameMode) {
13400 case TwoMachinesPlay:
13402 case MachinePlaysWhite:
13403 case MachinePlaysBlack:
13404 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13405 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13409 case BeginningOfGame:
13410 case PlayFromGameFile:
13413 if (gameMode != EditGame) return;
13416 EditPositionDone(TRUE);
13427 // forwardMostMove = currentMove;
13428 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13430 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13432 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13433 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13434 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13438 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13439 SendToProgram("force\n", &second);
13441 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13444 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13445 if(appData.matchPause>10000 || appData.matchPause<10)
13446 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13447 wait = SubtractTimeMarks(&now, &pauseStart);
13448 if(wait < appData.matchPause) {
13449 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13453 DisplayMessage("", "");
13454 if (startedFromSetupPosition) {
13455 SendBoard(&second, backwardMostMove);
13456 if (appData.debugMode) {
13457 fprintf(debugFP, "Two Machines\n");
13460 for (i = backwardMostMove; i < forwardMostMove; i++) {
13461 SendMoveToProgram(i, &second);
13464 gameMode = TwoMachinesPlay;
13466 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13468 DisplayTwoMachinesTitle();
13470 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13475 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13476 SendToProgram(first.computerString, &first);
13477 if (first.sendName) {
13478 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13479 SendToProgram(buf, &first);
13481 SendToProgram(second.computerString, &second);
13482 if (second.sendName) {
13483 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13484 SendToProgram(buf, &second);
13488 if (!first.sendTime || !second.sendTime) {
13489 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13490 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13492 if (onmove->sendTime) {
13493 if (onmove->useColors) {
13494 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13496 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13498 if (onmove->useColors) {
13499 SendToProgram(onmove->twoMachinesColor, onmove);
13501 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13502 // SendToProgram("go\n", onmove);
13503 onmove->maybeThinking = TRUE;
13504 SetMachineThinkingEnables();
13508 if(bookHit) { // [HGM] book: simulate book reply
13509 static char bookMove[MSG_SIZ]; // a bit generous?
13511 programStats.nodes = programStats.depth = programStats.time =
13512 programStats.score = programStats.got_only_move = 0;
13513 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13515 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13516 strcat(bookMove, bookHit);
13517 savedMessage = bookMove; // args for deferred call
13518 savedState = onmove;
13519 ScheduleDelayedEvent(DeferredBookMove, 1);
13526 if (gameMode == Training) {
13527 SetTrainingModeOff();
13528 gameMode = PlayFromGameFile;
13529 DisplayMessage("", _("Training mode off"));
13531 gameMode = Training;
13532 animateTraining = appData.animate;
13534 /* make sure we are not already at the end of the game */
13535 if (currentMove < forwardMostMove) {
13536 SetTrainingModeOn();
13537 DisplayMessage("", _("Training mode on"));
13539 gameMode = PlayFromGameFile;
13540 DisplayError(_("Already at end of game"), 0);
13549 if (!appData.icsActive) return;
13550 switch (gameMode) {
13551 case IcsPlayingWhite:
13552 case IcsPlayingBlack:
13555 case BeginningOfGame:
13563 EditPositionDone(TRUE);
13576 gameMode = IcsIdle;
13587 switch (gameMode) {
13589 SetTrainingModeOff();
13591 case MachinePlaysWhite:
13592 case MachinePlaysBlack:
13593 case BeginningOfGame:
13594 SendToProgram("force\n", &first);
13595 SetUserThinkingEnables();
13597 case PlayFromGameFile:
13598 (void) StopLoadGameTimer();
13599 if (gameFileFP != NULL) {
13604 EditPositionDone(TRUE);
13609 SendToProgram("force\n", &first);
13611 case TwoMachinesPlay:
13612 GameEnds(EndOfFile, NULL, GE_PLAYER);
13613 ResurrectChessProgram();
13614 SetUserThinkingEnables();
13617 ResurrectChessProgram();
13619 case IcsPlayingBlack:
13620 case IcsPlayingWhite:
13621 DisplayError(_("Warning: You are still playing a game"), 0);
13624 DisplayError(_("Warning: You are still observing a game"), 0);
13627 DisplayError(_("Warning: You are still examining a game"), 0);
13638 first.offeredDraw = second.offeredDraw = 0;
13640 if (gameMode == PlayFromGameFile) {
13641 whiteTimeRemaining = timeRemaining[0][currentMove];
13642 blackTimeRemaining = timeRemaining[1][currentMove];
13646 if (gameMode == MachinePlaysWhite ||
13647 gameMode == MachinePlaysBlack ||
13648 gameMode == TwoMachinesPlay ||
13649 gameMode == EndOfGame) {
13650 i = forwardMostMove;
13651 while (i > currentMove) {
13652 SendToProgram("undo\n", &first);
13655 if(!adjustedClock) {
13656 whiteTimeRemaining = timeRemaining[0][currentMove];
13657 blackTimeRemaining = timeRemaining[1][currentMove];
13658 DisplayBothClocks();
13660 if (whiteFlag || blackFlag) {
13661 whiteFlag = blackFlag = 0;
13666 gameMode = EditGame;
13673 EditPositionEvent()
13675 if (gameMode == EditPosition) {
13681 if (gameMode != EditGame) return;
13683 gameMode = EditPosition;
13686 if (currentMove > 0)
13687 CopyBoard(boards[0], boards[currentMove]);
13689 blackPlaysFirst = !WhiteOnMove(currentMove);
13691 currentMove = forwardMostMove = backwardMostMove = 0;
13692 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13699 /* [DM] icsEngineAnalyze - possible call from other functions */
13700 if (appData.icsEngineAnalyze) {
13701 appData.icsEngineAnalyze = FALSE;
13703 DisplayMessage("",_("Close ICS engine analyze..."));
13705 if (first.analysisSupport && first.analyzing) {
13706 SendToProgram("exit\n", &first);
13707 first.analyzing = FALSE;
13709 thinkOutput[0] = NULLCHAR;
13713 EditPositionDone(Boolean fakeRights)
13715 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13717 startedFromSetupPosition = TRUE;
13718 InitChessProgram(&first, FALSE);
13719 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13720 boards[0][EP_STATUS] = EP_NONE;
13721 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13722 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13723 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13724 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13725 } else boards[0][CASTLING][2] = NoRights;
13726 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13727 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13728 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13729 } else boards[0][CASTLING][5] = NoRights;
13731 SendToProgram("force\n", &first);
13732 if (blackPlaysFirst) {
13733 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13734 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13735 currentMove = forwardMostMove = backwardMostMove = 1;
13736 CopyBoard(boards[1], boards[0]);
13738 currentMove = forwardMostMove = backwardMostMove = 0;
13740 SendBoard(&first, forwardMostMove);
13741 if (appData.debugMode) {
13742 fprintf(debugFP, "EditPosDone\n");
13745 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13746 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13747 gameMode = EditGame;
13749 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13750 ClearHighlights(); /* [AS] */
13753 /* Pause for `ms' milliseconds */
13754 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13764 } while (SubtractTimeMarks(&m2, &m1) < ms);
13767 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13769 SendMultiLineToICS(buf)
13772 char temp[MSG_SIZ+1], *p;
13779 strncpy(temp, buf, len);
13784 if (*p == '\n' || *p == '\r')
13789 strcat(temp, "\n");
13791 SendToPlayer(temp, strlen(temp));
13795 SetWhiteToPlayEvent()
13797 if (gameMode == EditPosition) {
13798 blackPlaysFirst = FALSE;
13799 DisplayBothClocks(); /* works because currentMove is 0 */
13800 } else if (gameMode == IcsExamining) {
13801 SendToICS(ics_prefix);
13802 SendToICS("tomove white\n");
13807 SetBlackToPlayEvent()
13809 if (gameMode == EditPosition) {
13810 blackPlaysFirst = TRUE;
13811 currentMove = 1; /* kludge */
13812 DisplayBothClocks();
13814 } else if (gameMode == IcsExamining) {
13815 SendToICS(ics_prefix);
13816 SendToICS("tomove black\n");
13821 EditPositionMenuEvent(selection, x, y)
13822 ChessSquare selection;
13826 ChessSquare piece = boards[0][y][x];
13828 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13830 switch (selection) {
13832 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13833 SendToICS(ics_prefix);
13834 SendToICS("bsetup clear\n");
13835 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13836 SendToICS(ics_prefix);
13837 SendToICS("clearboard\n");
13839 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13840 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13841 for (y = 0; y < BOARD_HEIGHT; y++) {
13842 if (gameMode == IcsExamining) {
13843 if (boards[currentMove][y][x] != EmptySquare) {
13844 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13849 boards[0][y][x] = p;
13854 if (gameMode == EditPosition) {
13855 DrawPosition(FALSE, boards[0]);
13860 SetWhiteToPlayEvent();
13864 SetBlackToPlayEvent();
13868 if (gameMode == IcsExamining) {
13869 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13870 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13873 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13874 if(x == BOARD_LEFT-2) {
13875 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13876 boards[0][y][1] = 0;
13878 if(x == BOARD_RGHT+1) {
13879 if(y >= gameInfo.holdingsSize) break;
13880 boards[0][y][BOARD_WIDTH-2] = 0;
13883 boards[0][y][x] = EmptySquare;
13884 DrawPosition(FALSE, boards[0]);
13889 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13890 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13891 selection = (ChessSquare) (PROMOTED piece);
13892 } else if(piece == EmptySquare) selection = WhiteSilver;
13893 else selection = (ChessSquare)((int)piece - 1);
13897 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13898 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13899 selection = (ChessSquare) (DEMOTED piece);
13900 } else if(piece == EmptySquare) selection = BlackSilver;
13901 else selection = (ChessSquare)((int)piece + 1);
13906 if(gameInfo.variant == VariantShatranj ||
13907 gameInfo.variant == VariantXiangqi ||
13908 gameInfo.variant == VariantCourier ||
13909 gameInfo.variant == VariantMakruk )
13910 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13915 if(gameInfo.variant == VariantXiangqi)
13916 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13917 if(gameInfo.variant == VariantKnightmate)
13918 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13921 if (gameMode == IcsExamining) {
13922 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13923 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13924 PieceToChar(selection), AAA + x, ONE + y);
13927 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13929 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13930 n = PieceToNumber(selection - BlackPawn);
13931 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13932 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13933 boards[0][BOARD_HEIGHT-1-n][1]++;
13935 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13936 n = PieceToNumber(selection);
13937 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13938 boards[0][n][BOARD_WIDTH-1] = selection;
13939 boards[0][n][BOARD_WIDTH-2]++;
13942 boards[0][y][x] = selection;
13943 DrawPosition(TRUE, boards[0]);
13951 DropMenuEvent(selection, x, y)
13952 ChessSquare selection;
13955 ChessMove moveType;
13957 switch (gameMode) {
13958 case IcsPlayingWhite:
13959 case MachinePlaysBlack:
13960 if (!WhiteOnMove(currentMove)) {
13961 DisplayMoveError(_("It is Black's turn"));
13964 moveType = WhiteDrop;
13966 case IcsPlayingBlack:
13967 case MachinePlaysWhite:
13968 if (WhiteOnMove(currentMove)) {
13969 DisplayMoveError(_("It is White's turn"));
13972 moveType = BlackDrop;
13975 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13981 if (moveType == BlackDrop && selection < BlackPawn) {
13982 selection = (ChessSquare) ((int) selection
13983 + (int) BlackPawn - (int) WhitePawn);
13985 if (boards[currentMove][y][x] != EmptySquare) {
13986 DisplayMoveError(_("That square is occupied"));
13990 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13996 /* Accept a pending offer of any kind from opponent */
13998 if (appData.icsActive) {
13999 SendToICS(ics_prefix);
14000 SendToICS("accept\n");
14001 } else if (cmailMsgLoaded) {
14002 if (currentMove == cmailOldMove &&
14003 commentList[cmailOldMove] != NULL &&
14004 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14005 "Black offers a draw" : "White offers a draw")) {
14007 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14008 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14010 DisplayError(_("There is no pending offer on this move"), 0);
14011 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14014 /* Not used for offers from chess program */
14021 /* Decline a pending offer of any kind from opponent */
14023 if (appData.icsActive) {
14024 SendToICS(ics_prefix);
14025 SendToICS("decline\n");
14026 } else if (cmailMsgLoaded) {
14027 if (currentMove == cmailOldMove &&
14028 commentList[cmailOldMove] != NULL &&
14029 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14030 "Black offers a draw" : "White offers a draw")) {
14032 AppendComment(cmailOldMove, "Draw declined", TRUE);
14033 DisplayComment(cmailOldMove - 1, "Draw declined");
14036 DisplayError(_("There is no pending offer on this move"), 0);
14039 /* Not used for offers from chess program */
14046 /* Issue ICS rematch command */
14047 if (appData.icsActive) {
14048 SendToICS(ics_prefix);
14049 SendToICS("rematch\n");
14056 /* Call your opponent's flag (claim a win on time) */
14057 if (appData.icsActive) {
14058 SendToICS(ics_prefix);
14059 SendToICS("flag\n");
14061 switch (gameMode) {
14064 case MachinePlaysWhite:
14067 GameEnds(GameIsDrawn, "Both players ran out of time",
14070 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14072 DisplayError(_("Your opponent is not out of time"), 0);
14075 case MachinePlaysBlack:
14078 GameEnds(GameIsDrawn, "Both players ran out of time",
14081 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14083 DisplayError(_("Your opponent is not out of time"), 0);
14091 ClockClick(int which)
14092 { // [HGM] code moved to back-end from winboard.c
14093 if(which) { // black clock
14094 if (gameMode == EditPosition || gameMode == IcsExamining) {
14095 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14096 SetBlackToPlayEvent();
14097 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14098 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14099 } else if (shiftKey) {
14100 AdjustClock(which, -1);
14101 } else if (gameMode == IcsPlayingWhite ||
14102 gameMode == MachinePlaysBlack) {
14105 } else { // white clock
14106 if (gameMode == EditPosition || gameMode == IcsExamining) {
14107 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14108 SetWhiteToPlayEvent();
14109 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14110 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14111 } else if (shiftKey) {
14112 AdjustClock(which, -1);
14113 } else if (gameMode == IcsPlayingBlack ||
14114 gameMode == MachinePlaysWhite) {
14123 /* Offer draw or accept pending draw offer from opponent */
14125 if (appData.icsActive) {
14126 /* Note: tournament rules require draw offers to be
14127 made after you make your move but before you punch
14128 your clock. Currently ICS doesn't let you do that;
14129 instead, you immediately punch your clock after making
14130 a move, but you can offer a draw at any time. */
14132 SendToICS(ics_prefix);
14133 SendToICS("draw\n");
14134 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14135 } else if (cmailMsgLoaded) {
14136 if (currentMove == cmailOldMove &&
14137 commentList[cmailOldMove] != NULL &&
14138 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14139 "Black offers a draw" : "White offers a draw")) {
14140 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14141 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14142 } else if (currentMove == cmailOldMove + 1) {
14143 char *offer = WhiteOnMove(cmailOldMove) ?
14144 "White offers a draw" : "Black offers a draw";
14145 AppendComment(currentMove, offer, TRUE);
14146 DisplayComment(currentMove - 1, offer);
14147 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14149 DisplayError(_("You must make your move before offering a draw"), 0);
14150 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14152 } else if (first.offeredDraw) {
14153 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14155 if (first.sendDrawOffers) {
14156 SendToProgram("draw\n", &first);
14157 userOfferedDraw = TRUE;
14165 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14167 if (appData.icsActive) {
14168 SendToICS(ics_prefix);
14169 SendToICS("adjourn\n");
14171 /* Currently GNU Chess doesn't offer or accept Adjourns */
14179 /* Offer Abort or accept pending Abort offer from opponent */
14181 if (appData.icsActive) {
14182 SendToICS(ics_prefix);
14183 SendToICS("abort\n");
14185 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14192 /* Resign. You can do this even if it's not your turn. */
14194 if (appData.icsActive) {
14195 SendToICS(ics_prefix);
14196 SendToICS("resign\n");
14198 switch (gameMode) {
14199 case MachinePlaysWhite:
14200 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14202 case MachinePlaysBlack:
14203 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14206 if (cmailMsgLoaded) {
14208 if (WhiteOnMove(cmailOldMove)) {
14209 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14211 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14213 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14224 StopObservingEvent()
14226 /* Stop observing current games */
14227 SendToICS(ics_prefix);
14228 SendToICS("unobserve\n");
14232 StopExaminingEvent()
14234 /* Stop observing current game */
14235 SendToICS(ics_prefix);
14236 SendToICS("unexamine\n");
14240 ForwardInner(target)
14245 if (appData.debugMode)
14246 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14247 target, currentMove, forwardMostMove);
14249 if (gameMode == EditPosition)
14252 MarkTargetSquares(1);
14254 if (gameMode == PlayFromGameFile && !pausing)
14257 if (gameMode == IcsExamining && pausing)
14258 limit = pauseExamForwardMostMove;
14260 limit = forwardMostMove;
14262 if (target > limit) target = limit;
14264 if (target > 0 && moveList[target - 1][0]) {
14265 int fromX, fromY, toX, toY;
14266 toX = moveList[target - 1][2] - AAA;
14267 toY = moveList[target - 1][3] - ONE;
14268 if (moveList[target - 1][1] == '@') {
14269 if (appData.highlightLastMove) {
14270 SetHighlights(-1, -1, toX, toY);
14273 fromX = moveList[target - 1][0] - AAA;
14274 fromY = moveList[target - 1][1] - ONE;
14275 if (target == currentMove + 1) {
14276 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14278 if (appData.highlightLastMove) {
14279 SetHighlights(fromX, fromY, toX, toY);
14283 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14284 gameMode == Training || gameMode == PlayFromGameFile ||
14285 gameMode == AnalyzeFile) {
14286 while (currentMove < target) {
14287 SendMoveToProgram(currentMove++, &first);
14290 currentMove = target;
14293 if (gameMode == EditGame || gameMode == EndOfGame) {
14294 whiteTimeRemaining = timeRemaining[0][currentMove];
14295 blackTimeRemaining = timeRemaining[1][currentMove];
14297 DisplayBothClocks();
14298 DisplayMove(currentMove - 1);
14299 DrawPosition(FALSE, boards[currentMove]);
14300 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14301 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14302 DisplayComment(currentMove - 1, commentList[currentMove]);
14310 if (gameMode == IcsExamining && !pausing) {
14311 SendToICS(ics_prefix);
14312 SendToICS("forward\n");
14314 ForwardInner(currentMove + 1);
14321 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14322 /* to optimze, we temporarily turn off analysis mode while we feed
14323 * the remaining moves to the engine. Otherwise we get analysis output
14326 if (first.analysisSupport) {
14327 SendToProgram("exit\nforce\n", &first);
14328 first.analyzing = FALSE;
14332 if (gameMode == IcsExamining && !pausing) {
14333 SendToICS(ics_prefix);
14334 SendToICS("forward 999999\n");
14336 ForwardInner(forwardMostMove);
14339 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14340 /* we have fed all the moves, so reactivate analysis mode */
14341 SendToProgram("analyze\n", &first);
14342 first.analyzing = TRUE;
14343 /*first.maybeThinking = TRUE;*/
14344 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14349 BackwardInner(target)
14352 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14354 if (appData.debugMode)
14355 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14356 target, currentMove, forwardMostMove);
14358 if (gameMode == EditPosition) return;
14359 MarkTargetSquares(1);
14360 if (currentMove <= backwardMostMove) {
14362 DrawPosition(full_redraw, boards[currentMove]);
14365 if (gameMode == PlayFromGameFile && !pausing)
14368 if (moveList[target][0]) {
14369 int fromX, fromY, toX, toY;
14370 toX = moveList[target][2] - AAA;
14371 toY = moveList[target][3] - ONE;
14372 if (moveList[target][1] == '@') {
14373 if (appData.highlightLastMove) {
14374 SetHighlights(-1, -1, toX, toY);
14377 fromX = moveList[target][0] - AAA;
14378 fromY = moveList[target][1] - ONE;
14379 if (target == currentMove - 1) {
14380 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14382 if (appData.highlightLastMove) {
14383 SetHighlights(fromX, fromY, toX, toY);
14387 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14388 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14389 while (currentMove > target) {
14390 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14391 // null move cannot be undone. Reload program with move history before it.
14393 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14394 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14396 SendBoard(&first, i);
14397 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14400 SendToProgram("undo\n", &first);
14404 currentMove = target;
14407 if (gameMode == EditGame || gameMode == EndOfGame) {
14408 whiteTimeRemaining = timeRemaining[0][currentMove];
14409 blackTimeRemaining = timeRemaining[1][currentMove];
14411 DisplayBothClocks();
14412 DisplayMove(currentMove - 1);
14413 DrawPosition(full_redraw, boards[currentMove]);
14414 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14415 // [HGM] PV info: routine tests if comment empty
14416 DisplayComment(currentMove - 1, commentList[currentMove]);
14422 if (gameMode == IcsExamining && !pausing) {
14423 SendToICS(ics_prefix);
14424 SendToICS("backward\n");
14426 BackwardInner(currentMove - 1);
14433 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14434 /* to optimize, we temporarily turn off analysis mode while we undo
14435 * all the moves. Otherwise we get analysis output after each undo.
14437 if (first.analysisSupport) {
14438 SendToProgram("exit\nforce\n", &first);
14439 first.analyzing = FALSE;
14443 if (gameMode == IcsExamining && !pausing) {
14444 SendToICS(ics_prefix);
14445 SendToICS("backward 999999\n");
14447 BackwardInner(backwardMostMove);
14450 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14451 /* we have fed all the moves, so reactivate analysis mode */
14452 SendToProgram("analyze\n", &first);
14453 first.analyzing = TRUE;
14454 /*first.maybeThinking = TRUE;*/
14455 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14462 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14463 if (to >= forwardMostMove) to = forwardMostMove;
14464 if (to <= backwardMostMove) to = backwardMostMove;
14465 if (to < currentMove) {
14473 RevertEvent(Boolean annotate)
14475 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14478 if (gameMode != IcsExamining) {
14479 DisplayError(_("You are not examining a game"), 0);
14483 DisplayError(_("You can't revert while pausing"), 0);
14486 SendToICS(ics_prefix);
14487 SendToICS("revert\n");
14493 switch (gameMode) {
14494 case MachinePlaysWhite:
14495 case MachinePlaysBlack:
14496 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14497 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14500 if (forwardMostMove < 2) return;
14501 currentMove = forwardMostMove = forwardMostMove - 2;
14502 whiteTimeRemaining = timeRemaining[0][currentMove];
14503 blackTimeRemaining = timeRemaining[1][currentMove];
14504 DisplayBothClocks();
14505 DisplayMove(currentMove - 1);
14506 ClearHighlights();/*!! could figure this out*/
14507 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14508 SendToProgram("remove\n", &first);
14509 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14512 case BeginningOfGame:
14516 case IcsPlayingWhite:
14517 case IcsPlayingBlack:
14518 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14519 SendToICS(ics_prefix);
14520 SendToICS("takeback 2\n");
14522 SendToICS(ics_prefix);
14523 SendToICS("takeback 1\n");
14532 ChessProgramState *cps;
14534 switch (gameMode) {
14535 case MachinePlaysWhite:
14536 if (!WhiteOnMove(forwardMostMove)) {
14537 DisplayError(_("It is your turn"), 0);
14542 case MachinePlaysBlack:
14543 if (WhiteOnMove(forwardMostMove)) {
14544 DisplayError(_("It is your turn"), 0);
14549 case TwoMachinesPlay:
14550 if (WhiteOnMove(forwardMostMove) ==
14551 (first.twoMachinesColor[0] == 'w')) {
14557 case BeginningOfGame:
14561 SendToProgram("?\n", cps);
14565 TruncateGameEvent()
14568 if (gameMode != EditGame) return;
14575 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14576 if (forwardMostMove > currentMove) {
14577 if (gameInfo.resultDetails != NULL) {
14578 free(gameInfo.resultDetails);
14579 gameInfo.resultDetails = NULL;
14580 gameInfo.result = GameUnfinished;
14582 forwardMostMove = currentMove;
14583 HistorySet(parseList, backwardMostMove, forwardMostMove,
14591 if (appData.noChessProgram) return;
14592 switch (gameMode) {
14593 case MachinePlaysWhite:
14594 if (WhiteOnMove(forwardMostMove)) {
14595 DisplayError(_("Wait until your turn"), 0);
14599 case BeginningOfGame:
14600 case MachinePlaysBlack:
14601 if (!WhiteOnMove(forwardMostMove)) {
14602 DisplayError(_("Wait until your turn"), 0);
14607 DisplayError(_("No hint available"), 0);
14610 SendToProgram("hint\n", &first);
14611 hintRequested = TRUE;
14617 if (appData.noChessProgram) return;
14618 switch (gameMode) {
14619 case MachinePlaysWhite:
14620 if (WhiteOnMove(forwardMostMove)) {
14621 DisplayError(_("Wait until your turn"), 0);
14625 case BeginningOfGame:
14626 case MachinePlaysBlack:
14627 if (!WhiteOnMove(forwardMostMove)) {
14628 DisplayError(_("Wait until your turn"), 0);
14633 EditPositionDone(TRUE);
14635 case TwoMachinesPlay:
14640 SendToProgram("bk\n", &first);
14641 bookOutput[0] = NULLCHAR;
14642 bookRequested = TRUE;
14648 char *tags = PGNTags(&gameInfo);
14649 TagsPopUp(tags, CmailMsg());
14653 /* end button procedures */
14656 PrintPosition(fp, move)
14662 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14663 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14664 char c = PieceToChar(boards[move][i][j]);
14665 fputc(c == 'x' ? '.' : c, fp);
14666 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14669 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14670 fprintf(fp, "white to play\n");
14672 fprintf(fp, "black to play\n");
14679 if (gameInfo.white != NULL) {
14680 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14686 /* Find last component of program's own name, using some heuristics */
14688 TidyProgramName(prog, host, buf)
14689 char *prog, *host, buf[MSG_SIZ];
14692 int local = (strcmp(host, "localhost") == 0);
14693 while (!local && (p = strchr(prog, ';')) != NULL) {
14695 while (*p == ' ') p++;
14698 if (*prog == '"' || *prog == '\'') {
14699 q = strchr(prog + 1, *prog);
14701 q = strchr(prog, ' ');
14703 if (q == NULL) q = prog + strlen(prog);
14705 while (p >= prog && *p != '/' && *p != '\\') p--;
14707 if(p == prog && *p == '"') p++;
14708 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14709 memcpy(buf, p, q - p);
14710 buf[q - p] = NULLCHAR;
14718 TimeControlTagValue()
14721 if (!appData.clockMode) {
14722 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14723 } else if (movesPerSession > 0) {
14724 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14725 } else if (timeIncrement == 0) {
14726 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14728 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14730 return StrSave(buf);
14736 /* This routine is used only for certain modes */
14737 VariantClass v = gameInfo.variant;
14738 ChessMove r = GameUnfinished;
14741 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14742 r = gameInfo.result;
14743 p = gameInfo.resultDetails;
14744 gameInfo.resultDetails = NULL;
14746 ClearGameInfo(&gameInfo);
14747 gameInfo.variant = v;
14749 switch (gameMode) {
14750 case MachinePlaysWhite:
14751 gameInfo.event = StrSave( appData.pgnEventHeader );
14752 gameInfo.site = StrSave(HostName());
14753 gameInfo.date = PGNDate();
14754 gameInfo.round = StrSave("-");
14755 gameInfo.white = StrSave(first.tidy);
14756 gameInfo.black = StrSave(UserName());
14757 gameInfo.timeControl = TimeControlTagValue();
14760 case MachinePlaysBlack:
14761 gameInfo.event = StrSave( appData.pgnEventHeader );
14762 gameInfo.site = StrSave(HostName());
14763 gameInfo.date = PGNDate();
14764 gameInfo.round = StrSave("-");
14765 gameInfo.white = StrSave(UserName());
14766 gameInfo.black = StrSave(first.tidy);
14767 gameInfo.timeControl = TimeControlTagValue();
14770 case TwoMachinesPlay:
14771 gameInfo.event = StrSave( appData.pgnEventHeader );
14772 gameInfo.site = StrSave(HostName());
14773 gameInfo.date = PGNDate();
14776 snprintf(buf, MSG_SIZ, "%d", roundNr);
14777 gameInfo.round = StrSave(buf);
14779 gameInfo.round = StrSave("-");
14781 if (first.twoMachinesColor[0] == 'w') {
14782 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14783 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14785 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14786 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14788 gameInfo.timeControl = TimeControlTagValue();
14792 gameInfo.event = StrSave("Edited game");
14793 gameInfo.site = StrSave(HostName());
14794 gameInfo.date = PGNDate();
14795 gameInfo.round = StrSave("-");
14796 gameInfo.white = StrSave("-");
14797 gameInfo.black = StrSave("-");
14798 gameInfo.result = r;
14799 gameInfo.resultDetails = p;
14803 gameInfo.event = StrSave("Edited position");
14804 gameInfo.site = StrSave(HostName());
14805 gameInfo.date = PGNDate();
14806 gameInfo.round = StrSave("-");
14807 gameInfo.white = StrSave("-");
14808 gameInfo.black = StrSave("-");
14811 case IcsPlayingWhite:
14812 case IcsPlayingBlack:
14817 case PlayFromGameFile:
14818 gameInfo.event = StrSave("Game from non-PGN file");
14819 gameInfo.site = StrSave(HostName());
14820 gameInfo.date = PGNDate();
14821 gameInfo.round = StrSave("-");
14822 gameInfo.white = StrSave("?");
14823 gameInfo.black = StrSave("?");
14832 ReplaceComment(index, text)
14840 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14841 pvInfoList[index-1].depth == len &&
14842 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14843 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14844 while (*text == '\n') text++;
14845 len = strlen(text);
14846 while (len > 0 && text[len - 1] == '\n') len--;
14848 if (commentList[index] != NULL)
14849 free(commentList[index]);
14852 commentList[index] = NULL;
14855 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14856 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14857 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14858 commentList[index] = (char *) malloc(len + 2);
14859 strncpy(commentList[index], text, len);
14860 commentList[index][len] = '\n';
14861 commentList[index][len + 1] = NULLCHAR;
14863 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14865 commentList[index] = (char *) malloc(len + 7);
14866 safeStrCpy(commentList[index], "{\n", 3);
14867 safeStrCpy(commentList[index]+2, text, len+1);
14868 commentList[index][len+2] = NULLCHAR;
14869 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14870 strcat(commentList[index], "\n}\n");
14884 if (ch == '\r') continue;
14886 } while (ch != '\0');
14890 AppendComment(index, text, addBraces)
14893 Boolean addBraces; // [HGM] braces: tells if we should add {}
14898 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14899 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14902 while (*text == '\n') text++;
14903 len = strlen(text);
14904 while (len > 0 && text[len - 1] == '\n') len--;
14906 if (len == 0) return;
14908 if (commentList[index] != NULL) {
14909 Boolean addClosingBrace = addBraces;
14910 old = commentList[index];
14911 oldlen = strlen(old);
14912 while(commentList[index][oldlen-1] == '\n')
14913 commentList[index][--oldlen] = NULLCHAR;
14914 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14915 safeStrCpy(commentList[index], old, oldlen + len + 6);
14917 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14918 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14919 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14920 while (*text == '\n') { text++; len--; }
14921 commentList[index][--oldlen] = NULLCHAR;
14923 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14924 else strcat(commentList[index], "\n");
14925 strcat(commentList[index], text);
14926 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14927 else strcat(commentList[index], "\n");
14929 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14931 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14932 else commentList[index][0] = NULLCHAR;
14933 strcat(commentList[index], text);
14934 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14935 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14939 static char * FindStr( char * text, char * sub_text )
14941 char * result = strstr( text, sub_text );
14943 if( result != NULL ) {
14944 result += strlen( sub_text );
14950 /* [AS] Try to extract PV info from PGN comment */
14951 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14952 char *GetInfoFromComment( int index, char * text )
14954 char * sep = text, *p;
14956 if( text != NULL && index > 0 ) {
14959 int time = -1, sec = 0, deci;
14960 char * s_eval = FindStr( text, "[%eval " );
14961 char * s_emt = FindStr( text, "[%emt " );
14963 if( s_eval != NULL || s_emt != NULL ) {
14967 if( s_eval != NULL ) {
14968 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14972 if( delim != ']' ) {
14977 if( s_emt != NULL ) {
14982 /* We expect something like: [+|-]nnn.nn/dd */
14985 if(*text != '{') return text; // [HGM] braces: must be normal comment
14987 sep = strchr( text, '/' );
14988 if( sep == NULL || sep < (text+4) ) {
14993 if(p[1] == '(') { // comment starts with PV
14994 p = strchr(p, ')'); // locate end of PV
14995 if(p == NULL || sep < p+5) return text;
14996 // at this point we have something like "{(.*) +0.23/6 ..."
14997 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14998 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14999 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15001 time = -1; sec = -1; deci = -1;
15002 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15003 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15004 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15005 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15009 if( score_lo < 0 || score_lo >= 100 ) {
15013 if(sec >= 0) time = 600*time + 10*sec; else
15014 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15016 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15018 /* [HGM] PV time: now locate end of PV info */
15019 while( *++sep >= '0' && *sep <= '9'); // strip depth
15021 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15023 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15025 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15026 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15037 pvInfoList[index-1].depth = depth;
15038 pvInfoList[index-1].score = score;
15039 pvInfoList[index-1].time = 10*time; // centi-sec
15040 if(*sep == '}') *sep = 0; else *--sep = '{';
15041 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15047 SendToProgram(message, cps)
15049 ChessProgramState *cps;
15051 int count, outCount, error;
15054 if (cps->pr == NoProc) return;
15057 if (appData.debugMode) {
15060 fprintf(debugFP, "%ld >%-6s: %s",
15061 SubtractTimeMarks(&now, &programStartTime),
15062 cps->which, message);
15065 count = strlen(message);
15066 outCount = OutputToProcess(cps->pr, message, count, &error);
15067 if (outCount < count && !exiting
15068 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15069 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15070 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15071 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15072 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15073 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15074 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15075 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15077 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15078 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15079 gameInfo.result = res;
15081 gameInfo.resultDetails = StrSave(buf);
15083 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15084 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15089 ReceiveFromProgram(isr, closure, message, count, error)
15090 InputSourceRef isr;
15098 ChessProgramState *cps = (ChessProgramState *)closure;
15100 if (isr != cps->isr) return; /* Killed intentionally */
15103 RemoveInputSource(cps->isr);
15104 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15105 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15106 _(cps->which), cps->program);
15107 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15108 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15109 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15110 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15111 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15113 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15114 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15115 gameInfo.result = res;
15117 gameInfo.resultDetails = StrSave(buf);
15119 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15120 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15122 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15123 _(cps->which), cps->program);
15124 RemoveInputSource(cps->isr);
15126 /* [AS] Program is misbehaving badly... kill it */
15127 if( count == -2 ) {
15128 DestroyChildProcess( cps->pr, 9 );
15132 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15137 if ((end_str = strchr(message, '\r')) != NULL)
15138 *end_str = NULLCHAR;
15139 if ((end_str = strchr(message, '\n')) != NULL)
15140 *end_str = NULLCHAR;
15142 if (appData.debugMode) {
15143 TimeMark now; int print = 1;
15144 char *quote = ""; char c; int i;
15146 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15147 char start = message[0];
15148 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15149 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15150 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15151 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15152 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15153 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15154 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15155 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15156 sscanf(message, "hint: %c", &c)!=1 &&
15157 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15158 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15159 print = (appData.engineComments >= 2);
15161 message[0] = start; // restore original message
15165 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15166 SubtractTimeMarks(&now, &programStartTime), cps->which,
15172 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15173 if (appData.icsEngineAnalyze) {
15174 if (strstr(message, "whisper") != NULL ||
15175 strstr(message, "kibitz") != NULL ||
15176 strstr(message, "tellics") != NULL) return;
15179 HandleMachineMove(message, cps);
15184 SendTimeControl(cps, mps, tc, inc, sd, st)
15185 ChessProgramState *cps;
15186 int mps, inc, sd, st;
15192 if( timeControl_2 > 0 ) {
15193 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15194 tc = timeControl_2;
15197 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15198 inc /= cps->timeOdds;
15199 st /= cps->timeOdds;
15201 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15204 /* Set exact time per move, normally using st command */
15205 if (cps->stKludge) {
15206 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15208 if (seconds == 0) {
15209 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15211 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15214 snprintf(buf, MSG_SIZ, "st %d\n", st);
15217 /* Set conventional or incremental time control, using level command */
15218 if (seconds == 0) {
15219 /* Note old gnuchess bug -- minutes:seconds used to not work.
15220 Fixed in later versions, but still avoid :seconds
15221 when seconds is 0. */
15222 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15224 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15225 seconds, inc/1000.);
15228 SendToProgram(buf, cps);
15230 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15231 /* Orthogonally, limit search to given depth */
15233 if (cps->sdKludge) {
15234 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15236 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15238 SendToProgram(buf, cps);
15241 if(cps->nps >= 0) { /* [HGM] nps */
15242 if(cps->supportsNPS == FALSE)
15243 cps->nps = -1; // don't use if engine explicitly says not supported!
15245 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15246 SendToProgram(buf, cps);
15251 ChessProgramState *WhitePlayer()
15252 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15254 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15255 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15261 SendTimeRemaining(cps, machineWhite)
15262 ChessProgramState *cps;
15263 int /*boolean*/ machineWhite;
15265 char message[MSG_SIZ];
15268 /* Note: this routine must be called when the clocks are stopped
15269 or when they have *just* been set or switched; otherwise
15270 it will be off by the time since the current tick started.
15272 if (machineWhite) {
15273 time = whiteTimeRemaining / 10;
15274 otime = blackTimeRemaining / 10;
15276 time = blackTimeRemaining / 10;
15277 otime = whiteTimeRemaining / 10;
15279 /* [HGM] translate opponent's time by time-odds factor */
15280 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15281 if (appData.debugMode) {
15282 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
15285 if (time <= 0) time = 1;
15286 if (otime <= 0) otime = 1;
15288 snprintf(message, MSG_SIZ, "time %ld\n", time);
15289 SendToProgram(message, cps);
15291 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15292 SendToProgram(message, cps);
15296 BoolFeature(p, name, loc, cps)
15300 ChessProgramState *cps;
15303 int len = strlen(name);
15306 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15308 sscanf(*p, "%d", &val);
15310 while (**p && **p != ' ')
15312 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15313 SendToProgram(buf, cps);
15320 IntFeature(p, name, loc, cps)
15324 ChessProgramState *cps;
15327 int len = strlen(name);
15328 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15330 sscanf(*p, "%d", loc);
15331 while (**p && **p != ' ') (*p)++;
15332 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15333 SendToProgram(buf, cps);
15340 StringFeature(p, name, loc, cps)
15344 ChessProgramState *cps;
15347 int len = strlen(name);
15348 if (strncmp((*p), name, len) == 0
15349 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15351 sscanf(*p, "%[^\"]", loc);
15352 while (**p && **p != '\"') (*p)++;
15353 if (**p == '\"') (*p)++;
15354 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15355 SendToProgram(buf, cps);
15362 ParseOption(Option *opt, ChessProgramState *cps)
15363 // [HGM] options: process the string that defines an engine option, and determine
15364 // name, type, default value, and allowed value range
15366 char *p, *q, buf[MSG_SIZ];
15367 int n, min = (-1)<<31, max = 1<<31, def;
15369 if(p = strstr(opt->name, " -spin ")) {
15370 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15371 if(max < min) max = min; // enforce consistency
15372 if(def < min) def = min;
15373 if(def > max) def = max;
15378 } else if((p = strstr(opt->name, " -slider "))) {
15379 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15380 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15381 if(max < min) max = min; // enforce consistency
15382 if(def < min) def = min;
15383 if(def > max) def = max;
15387 opt->type = Spin; // Slider;
15388 } else if((p = strstr(opt->name, " -string "))) {
15389 opt->textValue = p+9;
15390 opt->type = TextBox;
15391 } else if((p = strstr(opt->name, " -file "))) {
15392 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15393 opt->textValue = p+7;
15394 opt->type = FileName; // FileName;
15395 } else if((p = strstr(opt->name, " -path "))) {
15396 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15397 opt->textValue = p+7;
15398 opt->type = PathName; // PathName;
15399 } else if(p = strstr(opt->name, " -check ")) {
15400 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15401 opt->value = (def != 0);
15402 opt->type = CheckBox;
15403 } else if(p = strstr(opt->name, " -combo ")) {
15404 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15405 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15406 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15407 opt->value = n = 0;
15408 while(q = StrStr(q, " /// ")) {
15409 n++; *q = 0; // count choices, and null-terminate each of them
15411 if(*q == '*') { // remember default, which is marked with * prefix
15415 cps->comboList[cps->comboCnt++] = q;
15417 cps->comboList[cps->comboCnt++] = NULL;
15419 opt->type = ComboBox;
15420 } else if(p = strstr(opt->name, " -button")) {
15421 opt->type = Button;
15422 } else if(p = strstr(opt->name, " -save")) {
15423 opt->type = SaveButton;
15424 } else return FALSE;
15425 *p = 0; // terminate option name
15426 // now look if the command-line options define a setting for this engine option.
15427 if(cps->optionSettings && cps->optionSettings[0])
15428 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15429 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15430 snprintf(buf, MSG_SIZ, "option %s", p);
15431 if(p = strstr(buf, ",")) *p = 0;
15432 if(q = strchr(buf, '=')) switch(opt->type) {
15434 for(n=0; n<opt->max; n++)
15435 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15438 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15442 opt->value = atoi(q+1);
15447 SendToProgram(buf, cps);
15453 FeatureDone(cps, val)
15454 ChessProgramState* cps;
15457 DelayedEventCallback cb = GetDelayedEvent();
15458 if ((cb == InitBackEnd3 && cps == &first) ||
15459 (cb == SettingsMenuIfReady && cps == &second) ||
15460 (cb == LoadEngine) ||
15461 (cb == TwoMachinesEventIfReady)) {
15462 CancelDelayedEvent();
15463 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15465 cps->initDone = val;
15468 /* Parse feature command from engine */
15470 ParseFeatures(args, cps)
15472 ChessProgramState *cps;
15480 while (*p == ' ') p++;
15481 if (*p == NULLCHAR) return;
15483 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15484 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15485 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15486 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15487 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15488 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15489 if (BoolFeature(&p, "reuse", &val, cps)) {
15490 /* Engine can disable reuse, but can't enable it if user said no */
15491 if (!val) cps->reuse = FALSE;
15494 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15495 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
15496 if (gameMode == TwoMachinesPlay) {
15497 DisplayTwoMachinesTitle();
15503 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
15504 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15505 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15506 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15507 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15508 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15509 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15510 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15511 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15512 if (IntFeature(&p, "done", &val, cps)) {
15513 FeatureDone(cps, val);
15516 /* Added by Tord: */
15517 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15518 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15519 /* End of additions by Tord */
15521 /* [HGM] added features: */
15522 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15523 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15524 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15525 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15526 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15527 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
15528 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
15529 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15530 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15531 SendToProgram(buf, cps);
15534 if(cps->nrOptions >= MAX_OPTIONS) {
15536 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15537 DisplayError(buf, 0);
15541 /* End of additions by HGM */
15543 /* unknown feature: complain and skip */
15545 while (*q && *q != '=') q++;
15546 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15547 SendToProgram(buf, cps);
15553 while (*p && *p != '\"') p++;
15554 if (*p == '\"') p++;
15556 while (*p && *p != ' ') p++;
15564 PeriodicUpdatesEvent(newState)
15567 if (newState == appData.periodicUpdates)
15570 appData.periodicUpdates=newState;
15572 /* Display type changes, so update it now */
15573 // DisplayAnalysis();
15575 /* Get the ball rolling again... */
15577 AnalysisPeriodicEvent(1);
15578 StartAnalysisClock();
15583 PonderNextMoveEvent(newState)
15586 if (newState == appData.ponderNextMove) return;
15587 if (gameMode == EditPosition) EditPositionDone(TRUE);
15589 SendToProgram("hard\n", &first);
15590 if (gameMode == TwoMachinesPlay) {
15591 SendToProgram("hard\n", &second);
15594 SendToProgram("easy\n", &first);
15595 thinkOutput[0] = NULLCHAR;
15596 if (gameMode == TwoMachinesPlay) {
15597 SendToProgram("easy\n", &second);
15600 appData.ponderNextMove = newState;
15604 NewSettingEvent(option, feature, command, value)
15606 int option, value, *feature;
15610 if (gameMode == EditPosition) EditPositionDone(TRUE);
15611 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15612 if(feature == NULL || *feature) SendToProgram(buf, &first);
15613 if (gameMode == TwoMachinesPlay) {
15614 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15619 ShowThinkingEvent()
15620 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15622 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15623 int newState = appData.showThinking
15624 // [HGM] thinking: other features now need thinking output as well
15625 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15627 if (oldState == newState) return;
15628 oldState = newState;
15629 if (gameMode == EditPosition) EditPositionDone(TRUE);
15631 SendToProgram("post\n", &first);
15632 if (gameMode == TwoMachinesPlay) {
15633 SendToProgram("post\n", &second);
15636 SendToProgram("nopost\n", &first);
15637 thinkOutput[0] = NULLCHAR;
15638 if (gameMode == TwoMachinesPlay) {
15639 SendToProgram("nopost\n", &second);
15642 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15646 AskQuestionEvent(title, question, replyPrefix, which)
15647 char *title; char *question; char *replyPrefix; char *which;
15649 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15650 if (pr == NoProc) return;
15651 AskQuestion(title, question, replyPrefix, pr);
15655 TypeInEvent(char firstChar)
15657 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15658 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15659 gameMode == AnalyzeMode || gameMode == EditGame ||
15660 gameMode == EditPosition || gameMode == IcsExamining ||
15661 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15662 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15663 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15664 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15665 gameMode == Training) PopUpMoveDialog(firstChar);
15669 TypeInDoneEvent(char *move)
15672 int n, fromX, fromY, toX, toY;
15674 ChessMove moveType;
15677 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15678 EditPositionPasteFEN(move);
15681 // [HGM] movenum: allow move number to be typed in any mode
15682 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15687 if (gameMode != EditGame && currentMove != forwardMostMove &&
15688 gameMode != Training) {
15689 DisplayMoveError(_("Displayed move is not current"));
15691 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15692 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15693 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15694 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15695 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15696 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15698 DisplayMoveError(_("Could not parse move"));
15704 DisplayMove(moveNumber)
15707 char message[MSG_SIZ];
15709 char cpThinkOutput[MSG_SIZ];
15711 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15713 if (moveNumber == forwardMostMove - 1 ||
15714 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15716 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15718 if (strchr(cpThinkOutput, '\n')) {
15719 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15722 *cpThinkOutput = NULLCHAR;
15725 /* [AS] Hide thinking from human user */
15726 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15727 *cpThinkOutput = NULLCHAR;
15728 if( thinkOutput[0] != NULLCHAR ) {
15731 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15732 cpThinkOutput[i] = '.';
15734 cpThinkOutput[i] = NULLCHAR;
15735 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15739 if (moveNumber == forwardMostMove - 1 &&
15740 gameInfo.resultDetails != NULL) {
15741 if (gameInfo.resultDetails[0] == NULLCHAR) {
15742 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15744 snprintf(res, MSG_SIZ, " {%s} %s",
15745 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15751 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15752 DisplayMessage(res, cpThinkOutput);
15754 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15755 WhiteOnMove(moveNumber) ? " " : ".. ",
15756 parseList[moveNumber], res);
15757 DisplayMessage(message, cpThinkOutput);
15762 DisplayComment(moveNumber, text)
15766 char title[MSG_SIZ];
15768 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15769 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15771 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15772 WhiteOnMove(moveNumber) ? " " : ".. ",
15773 parseList[moveNumber]);
15775 if (text != NULL && (appData.autoDisplayComment || commentUp))
15776 CommentPopUp(title, text);
15779 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15780 * might be busy thinking or pondering. It can be omitted if your
15781 * gnuchess is configured to stop thinking immediately on any user
15782 * input. However, that gnuchess feature depends on the FIONREAD
15783 * ioctl, which does not work properly on some flavors of Unix.
15787 ChessProgramState *cps;
15790 if (!cps->useSigint) return;
15791 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15792 switch (gameMode) {
15793 case MachinePlaysWhite:
15794 case MachinePlaysBlack:
15795 case TwoMachinesPlay:
15796 case IcsPlayingWhite:
15797 case IcsPlayingBlack:
15800 /* Skip if we know it isn't thinking */
15801 if (!cps->maybeThinking) return;
15802 if (appData.debugMode)
15803 fprintf(debugFP, "Interrupting %s\n", cps->which);
15804 InterruptChildProcess(cps->pr);
15805 cps->maybeThinking = FALSE;
15810 #endif /*ATTENTION*/
15816 if (whiteTimeRemaining <= 0) {
15819 if (appData.icsActive) {
15820 if (appData.autoCallFlag &&
15821 gameMode == IcsPlayingBlack && !blackFlag) {
15822 SendToICS(ics_prefix);
15823 SendToICS("flag\n");
15827 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15829 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15830 if (appData.autoCallFlag) {
15831 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15838 if (blackTimeRemaining <= 0) {
15841 if (appData.icsActive) {
15842 if (appData.autoCallFlag &&
15843 gameMode == IcsPlayingWhite && !whiteFlag) {
15844 SendToICS(ics_prefix);
15845 SendToICS("flag\n");
15849 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15851 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15852 if (appData.autoCallFlag) {
15853 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15866 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15867 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15870 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15872 if ( !WhiteOnMove(forwardMostMove) ) {
15873 /* White made time control */
15874 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15875 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15876 /* [HGM] time odds: correct new time quota for time odds! */
15877 / WhitePlayer()->timeOdds;
15878 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15880 lastBlack -= blackTimeRemaining;
15881 /* Black made time control */
15882 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15883 / WhitePlayer()->other->timeOdds;
15884 lastWhite = whiteTimeRemaining;
15889 DisplayBothClocks()
15891 int wom = gameMode == EditPosition ?
15892 !blackPlaysFirst : WhiteOnMove(currentMove);
15893 DisplayWhiteClock(whiteTimeRemaining, wom);
15894 DisplayBlackClock(blackTimeRemaining, !wom);
15898 /* Timekeeping seems to be a portability nightmare. I think everyone
15899 has ftime(), but I'm really not sure, so I'm including some ifdefs
15900 to use other calls if you don't. Clocks will be less accurate if
15901 you have neither ftime nor gettimeofday.
15904 /* VS 2008 requires the #include outside of the function */
15905 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15906 #include <sys/timeb.h>
15909 /* Get the current time as a TimeMark */
15914 #if HAVE_GETTIMEOFDAY
15916 struct timeval timeVal;
15917 struct timezone timeZone;
15919 gettimeofday(&timeVal, &timeZone);
15920 tm->sec = (long) timeVal.tv_sec;
15921 tm->ms = (int) (timeVal.tv_usec / 1000L);
15923 #else /*!HAVE_GETTIMEOFDAY*/
15926 // include <sys/timeb.h> / moved to just above start of function
15927 struct timeb timeB;
15930 tm->sec = (long) timeB.time;
15931 tm->ms = (int) timeB.millitm;
15933 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15934 tm->sec = (long) time(NULL);
15940 /* Return the difference in milliseconds between two
15941 time marks. We assume the difference will fit in a long!
15944 SubtractTimeMarks(tm2, tm1)
15945 TimeMark *tm2, *tm1;
15947 return 1000L*(tm2->sec - tm1->sec) +
15948 (long) (tm2->ms - tm1->ms);
15953 * Code to manage the game clocks.
15955 * In tournament play, black starts the clock and then white makes a move.
15956 * We give the human user a slight advantage if he is playing white---the
15957 * clocks don't run until he makes his first move, so it takes zero time.
15958 * Also, we don't account for network lag, so we could get out of sync
15959 * with GNU Chess's clock -- but then, referees are always right.
15962 static TimeMark tickStartTM;
15963 static long intendedTickLength;
15966 NextTickLength(timeRemaining)
15967 long timeRemaining;
15969 long nominalTickLength, nextTickLength;
15971 if (timeRemaining > 0L && timeRemaining <= 10000L)
15972 nominalTickLength = 100L;
15974 nominalTickLength = 1000L;
15975 nextTickLength = timeRemaining % nominalTickLength;
15976 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15978 return nextTickLength;
15981 /* Adjust clock one minute up or down */
15983 AdjustClock(Boolean which, int dir)
15985 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15986 if(which) blackTimeRemaining += 60000*dir;
15987 else whiteTimeRemaining += 60000*dir;
15988 DisplayBothClocks();
15989 adjustedClock = TRUE;
15992 /* Stop clocks and reset to a fresh time control */
15996 (void) StopClockTimer();
15997 if (appData.icsActive) {
15998 whiteTimeRemaining = blackTimeRemaining = 0;
15999 } else if (searchTime) {
16000 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16001 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16002 } else { /* [HGM] correct new time quote for time odds */
16003 whiteTC = blackTC = fullTimeControlString;
16004 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16005 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16007 if (whiteFlag || blackFlag) {
16009 whiteFlag = blackFlag = FALSE;
16011 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16012 DisplayBothClocks();
16013 adjustedClock = FALSE;
16016 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16018 /* Decrement running clock by amount of time that has passed */
16022 long timeRemaining;
16023 long lastTickLength, fudge;
16026 if (!appData.clockMode) return;
16027 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16031 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16033 /* Fudge if we woke up a little too soon */
16034 fudge = intendedTickLength - lastTickLength;
16035 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16037 if (WhiteOnMove(forwardMostMove)) {
16038 if(whiteNPS >= 0) lastTickLength = 0;
16039 timeRemaining = whiteTimeRemaining -= lastTickLength;
16040 if(timeRemaining < 0 && !appData.icsActive) {
16041 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16042 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16043 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16044 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16047 DisplayWhiteClock(whiteTimeRemaining - fudge,
16048 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16050 if(blackNPS >= 0) lastTickLength = 0;
16051 timeRemaining = blackTimeRemaining -= lastTickLength;
16052 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16053 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16055 blackStartMove = forwardMostMove;
16056 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16059 DisplayBlackClock(blackTimeRemaining - fudge,
16060 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16062 if (CheckFlags()) return;
16065 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16066 StartClockTimer(intendedTickLength);
16068 /* if the time remaining has fallen below the alarm threshold, sound the
16069 * alarm. if the alarm has sounded and (due to a takeback or time control
16070 * with increment) the time remaining has increased to a level above the
16071 * threshold, reset the alarm so it can sound again.
16074 if (appData.icsActive && appData.icsAlarm) {
16076 /* make sure we are dealing with the user's clock */
16077 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16078 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16081 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16082 alarmSounded = FALSE;
16083 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16085 alarmSounded = TRUE;
16091 /* A player has just moved, so stop the previously running
16092 clock and (if in clock mode) start the other one.
16093 We redisplay both clocks in case we're in ICS mode, because
16094 ICS gives us an update to both clocks after every move.
16095 Note that this routine is called *after* forwardMostMove
16096 is updated, so the last fractional tick must be subtracted
16097 from the color that is *not* on move now.
16100 SwitchClocks(int newMoveNr)
16102 long lastTickLength;
16104 int flagged = FALSE;
16108 if (StopClockTimer() && appData.clockMode) {
16109 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16110 if (!WhiteOnMove(forwardMostMove)) {
16111 if(blackNPS >= 0) lastTickLength = 0;
16112 blackTimeRemaining -= lastTickLength;
16113 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16114 // if(pvInfoList[forwardMostMove].time == -1)
16115 pvInfoList[forwardMostMove].time = // use GUI time
16116 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16118 if(whiteNPS >= 0) lastTickLength = 0;
16119 whiteTimeRemaining -= lastTickLength;
16120 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16121 // if(pvInfoList[forwardMostMove].time == -1)
16122 pvInfoList[forwardMostMove].time =
16123 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16125 flagged = CheckFlags();
16127 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16128 CheckTimeControl();
16130 if (flagged || !appData.clockMode) return;
16132 switch (gameMode) {
16133 case MachinePlaysBlack:
16134 case MachinePlaysWhite:
16135 case BeginningOfGame:
16136 if (pausing) return;
16140 case PlayFromGameFile:
16148 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16149 if(WhiteOnMove(forwardMostMove))
16150 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16151 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16155 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16156 whiteTimeRemaining : blackTimeRemaining);
16157 StartClockTimer(intendedTickLength);
16161 /* Stop both clocks */
16165 long lastTickLength;
16168 if (!StopClockTimer()) return;
16169 if (!appData.clockMode) return;
16173 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16174 if (WhiteOnMove(forwardMostMove)) {
16175 if(whiteNPS >= 0) lastTickLength = 0;
16176 whiteTimeRemaining -= lastTickLength;
16177 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16179 if(blackNPS >= 0) lastTickLength = 0;
16180 blackTimeRemaining -= lastTickLength;
16181 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16186 /* Start clock of player on move. Time may have been reset, so
16187 if clock is already running, stop and restart it. */
16191 (void) StopClockTimer(); /* in case it was running already */
16192 DisplayBothClocks();
16193 if (CheckFlags()) return;
16195 if (!appData.clockMode) return;
16196 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16198 GetTimeMark(&tickStartTM);
16199 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16200 whiteTimeRemaining : blackTimeRemaining);
16202 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16203 whiteNPS = blackNPS = -1;
16204 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16205 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16206 whiteNPS = first.nps;
16207 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16208 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16209 blackNPS = first.nps;
16210 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16211 whiteNPS = second.nps;
16212 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16213 blackNPS = second.nps;
16214 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16216 StartClockTimer(intendedTickLength);
16223 long second, minute, hour, day;
16225 static char buf[32];
16227 if (ms > 0 && ms <= 9900) {
16228 /* convert milliseconds to tenths, rounding up */
16229 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16231 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16235 /* convert milliseconds to seconds, rounding up */
16236 /* use floating point to avoid strangeness of integer division
16237 with negative dividends on many machines */
16238 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16245 day = second / (60 * 60 * 24);
16246 second = second % (60 * 60 * 24);
16247 hour = second / (60 * 60);
16248 second = second % (60 * 60);
16249 minute = second / 60;
16250 second = second % 60;
16253 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16254 sign, day, hour, minute, second);
16256 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16258 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16265 * This is necessary because some C libraries aren't ANSI C compliant yet.
16268 StrStr(string, match)
16269 char *string, *match;
16273 length = strlen(match);
16275 for (i = strlen(string) - length; i >= 0; i--, string++)
16276 if (!strncmp(match, string, length))
16283 StrCaseStr(string, match)
16284 char *string, *match;
16288 length = strlen(match);
16290 for (i = strlen(string) - length; i >= 0; i--, string++) {
16291 for (j = 0; j < length; j++) {
16292 if (ToLower(match[j]) != ToLower(string[j]))
16295 if (j == length) return string;
16309 c1 = ToLower(*s1++);
16310 c2 = ToLower(*s2++);
16311 if (c1 > c2) return 1;
16312 if (c1 < c2) return -1;
16313 if (c1 == NULLCHAR) return 0;
16322 return isupper(c) ? tolower(c) : c;
16330 return islower(c) ? toupper(c) : c;
16332 #endif /* !_amigados */
16340 if ((ret = (char *) malloc(strlen(s) + 1)))
16342 safeStrCpy(ret, s, strlen(s)+1);
16348 StrSavePtr(s, savePtr)
16349 char *s, **savePtr;
16354 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16355 safeStrCpy(*savePtr, s, strlen(s)+1);
16367 clock = time((time_t *)NULL);
16368 tm = localtime(&clock);
16369 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16370 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16371 return StrSave(buf);
16376 PositionToFEN(move, overrideCastling)
16378 char *overrideCastling;
16380 int i, j, fromX, fromY, toX, toY;
16387 whiteToPlay = (gameMode == EditPosition) ?
16388 !blackPlaysFirst : (move % 2 == 0);
16391 /* Piece placement data */
16392 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16393 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16395 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16396 if (boards[move][i][j] == EmptySquare) {
16398 } else { ChessSquare piece = boards[move][i][j];
16399 if (emptycount > 0) {
16400 if(emptycount<10) /* [HGM] can be >= 10 */
16401 *p++ = '0' + emptycount;
16402 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16405 if(PieceToChar(piece) == '+') {
16406 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16408 piece = (ChessSquare)(DEMOTED piece);
16410 *p++ = PieceToChar(piece);
16412 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16413 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16418 if (emptycount > 0) {
16419 if(emptycount<10) /* [HGM] can be >= 10 */
16420 *p++ = '0' + emptycount;
16421 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16428 /* [HGM] print Crazyhouse or Shogi holdings */
16429 if( gameInfo.holdingsWidth ) {
16430 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16432 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16433 piece = boards[move][i][BOARD_WIDTH-1];
16434 if( piece != EmptySquare )
16435 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16436 *p++ = PieceToChar(piece);
16438 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16439 piece = boards[move][BOARD_HEIGHT-i-1][0];
16440 if( piece != EmptySquare )
16441 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16442 *p++ = PieceToChar(piece);
16445 if( q == p ) *p++ = '-';
16451 *p++ = whiteToPlay ? 'w' : 'b';
16454 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16455 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16457 if(nrCastlingRights) {
16459 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16460 /* [HGM] write directly from rights */
16461 if(boards[move][CASTLING][2] != NoRights &&
16462 boards[move][CASTLING][0] != NoRights )
16463 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16464 if(boards[move][CASTLING][2] != NoRights &&
16465 boards[move][CASTLING][1] != NoRights )
16466 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16467 if(boards[move][CASTLING][5] != NoRights &&
16468 boards[move][CASTLING][3] != NoRights )
16469 *p++ = boards[move][CASTLING][3] + AAA;
16470 if(boards[move][CASTLING][5] != NoRights &&
16471 boards[move][CASTLING][4] != NoRights )
16472 *p++ = boards[move][CASTLING][4] + AAA;
16475 /* [HGM] write true castling rights */
16476 if( nrCastlingRights == 6 ) {
16477 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16478 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16479 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16480 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16481 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16482 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16483 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16484 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16487 if (q == p) *p++ = '-'; /* No castling rights */
16491 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16492 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16493 /* En passant target square */
16494 if (move > backwardMostMove) {
16495 fromX = moveList[move - 1][0] - AAA;
16496 fromY = moveList[move - 1][1] - ONE;
16497 toX = moveList[move - 1][2] - AAA;
16498 toY = moveList[move - 1][3] - ONE;
16499 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16500 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16501 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16503 /* 2-square pawn move just happened */
16505 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16509 } else if(move == backwardMostMove) {
16510 // [HGM] perhaps we should always do it like this, and forget the above?
16511 if((signed char)boards[move][EP_STATUS] >= 0) {
16512 *p++ = boards[move][EP_STATUS] + AAA;
16513 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16524 /* [HGM] find reversible plies */
16525 { int i = 0, j=move;
16527 if (appData.debugMode) { int k;
16528 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16529 for(k=backwardMostMove; k<=forwardMostMove; k++)
16530 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16534 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16535 if( j == backwardMostMove ) i += initialRulePlies;
16536 sprintf(p, "%d ", i);
16537 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16539 /* Fullmove number */
16540 sprintf(p, "%d", (move / 2) + 1);
16542 return StrSave(buf);
16546 ParseFEN(board, blackPlaysFirst, fen)
16548 int *blackPlaysFirst;
16558 /* [HGM] by default clear Crazyhouse holdings, if present */
16559 if(gameInfo.holdingsWidth) {
16560 for(i=0; i<BOARD_HEIGHT; i++) {
16561 board[i][0] = EmptySquare; /* black holdings */
16562 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16563 board[i][1] = (ChessSquare) 0; /* black counts */
16564 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16568 /* Piece placement data */
16569 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16572 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16573 if (*p == '/') p++;
16574 emptycount = gameInfo.boardWidth - j;
16575 while (emptycount--)
16576 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16578 #if(BOARD_FILES >= 10)
16579 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16580 p++; emptycount=10;
16581 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16582 while (emptycount--)
16583 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16585 } else if (isdigit(*p)) {
16586 emptycount = *p++ - '0';
16587 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16588 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16589 while (emptycount--)
16590 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16591 } else if (*p == '+' || isalpha(*p)) {
16592 if (j >= gameInfo.boardWidth) return FALSE;
16594 piece = CharToPiece(*++p);
16595 if(piece == EmptySquare) return FALSE; /* unknown piece */
16596 piece = (ChessSquare) (PROMOTED piece ); p++;
16597 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16598 } else piece = CharToPiece(*p++);
16600 if(piece==EmptySquare) return FALSE; /* unknown piece */
16601 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16602 piece = (ChessSquare) (PROMOTED piece);
16603 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16606 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16612 while (*p == '/' || *p == ' ') p++;
16614 /* [HGM] look for Crazyhouse holdings here */
16615 while(*p==' ') p++;
16616 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16618 if(*p == '-' ) p++; /* empty holdings */ else {
16619 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16620 /* if we would allow FEN reading to set board size, we would */
16621 /* have to add holdings and shift the board read so far here */
16622 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16624 if((int) piece >= (int) BlackPawn ) {
16625 i = (int)piece - (int)BlackPawn;
16626 i = PieceToNumber((ChessSquare)i);
16627 if( i >= gameInfo.holdingsSize ) return FALSE;
16628 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16629 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16631 i = (int)piece - (int)WhitePawn;
16632 i = PieceToNumber((ChessSquare)i);
16633 if( i >= gameInfo.holdingsSize ) return FALSE;
16634 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16635 board[i][BOARD_WIDTH-2]++; /* black holdings */
16642 while(*p == ' ') p++;
16646 if(appData.colorNickNames) {
16647 if( c == appData.colorNickNames[0] ) c = 'w'; else
16648 if( c == appData.colorNickNames[1] ) c = 'b';
16652 *blackPlaysFirst = FALSE;
16655 *blackPlaysFirst = TRUE;
16661 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16662 /* return the extra info in global variiables */
16664 /* set defaults in case FEN is incomplete */
16665 board[EP_STATUS] = EP_UNKNOWN;
16666 for(i=0; i<nrCastlingRights; i++ ) {
16667 board[CASTLING][i] =
16668 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16669 } /* assume possible unless obviously impossible */
16670 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16671 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16672 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16673 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16674 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16675 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16676 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16677 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16680 while(*p==' ') p++;
16681 if(nrCastlingRights) {
16682 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16683 /* castling indicator present, so default becomes no castlings */
16684 for(i=0; i<nrCastlingRights; i++ ) {
16685 board[CASTLING][i] = NoRights;
16688 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16689 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16690 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16691 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16692 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16694 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16695 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16696 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16698 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16699 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16700 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16701 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16702 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16703 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16706 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16707 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16708 board[CASTLING][2] = whiteKingFile;
16711 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16712 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16713 board[CASTLING][2] = whiteKingFile;
16716 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16717 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16718 board[CASTLING][5] = blackKingFile;
16721 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16722 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16723 board[CASTLING][5] = blackKingFile;
16726 default: /* FRC castlings */
16727 if(c >= 'a') { /* black rights */
16728 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16729 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16730 if(i == BOARD_RGHT) break;
16731 board[CASTLING][5] = i;
16733 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16734 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16736 board[CASTLING][3] = c;
16738 board[CASTLING][4] = c;
16739 } else { /* white rights */
16740 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16741 if(board[0][i] == WhiteKing) break;
16742 if(i == BOARD_RGHT) break;
16743 board[CASTLING][2] = i;
16744 c -= AAA - 'a' + 'A';
16745 if(board[0][c] >= WhiteKing) break;
16747 board[CASTLING][0] = c;
16749 board[CASTLING][1] = c;
16753 for(i=0; i<nrCastlingRights; i++)
16754 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16755 if (appData.debugMode) {
16756 fprintf(debugFP, "FEN castling rights:");
16757 for(i=0; i<nrCastlingRights; i++)
16758 fprintf(debugFP, " %d", board[CASTLING][i]);
16759 fprintf(debugFP, "\n");
16762 while(*p==' ') p++;
16765 /* read e.p. field in games that know e.p. capture */
16766 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16767 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16769 p++; board[EP_STATUS] = EP_NONE;
16771 char c = *p++ - AAA;
16773 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16774 if(*p >= '0' && *p <='9') p++;
16775 board[EP_STATUS] = c;
16780 if(sscanf(p, "%d", &i) == 1) {
16781 FENrulePlies = i; /* 50-move ply counter */
16782 /* (The move number is still ignored) */
16789 EditPositionPasteFEN(char *fen)
16792 Board initial_position;
16794 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16795 DisplayError(_("Bad FEN position in clipboard"), 0);
16798 int savedBlackPlaysFirst = blackPlaysFirst;
16799 EditPositionEvent();
16800 blackPlaysFirst = savedBlackPlaysFirst;
16801 CopyBoard(boards[0], initial_position);
16802 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16803 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16804 DisplayBothClocks();
16805 DrawPosition(FALSE, boards[currentMove]);
16810 static char cseq[12] = "\\ ";
16812 Boolean set_cont_sequence(char *new_seq)
16817 // handle bad attempts to set the sequence
16819 return 0; // acceptable error - no debug
16821 len = strlen(new_seq);
16822 ret = (len > 0) && (len < sizeof(cseq));
16824 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16825 else if (appData.debugMode)
16826 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16831 reformat a source message so words don't cross the width boundary. internal
16832 newlines are not removed. returns the wrapped size (no null character unless
16833 included in source message). If dest is NULL, only calculate the size required
16834 for the dest buffer. lp argument indicats line position upon entry, and it's
16835 passed back upon exit.
16837 int wrap(char *dest, char *src, int count, int width, int *lp)
16839 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16841 cseq_len = strlen(cseq);
16842 old_line = line = *lp;
16843 ansi = len = clen = 0;
16845 for (i=0; i < count; i++)
16847 if (src[i] == '\033')
16850 // if we hit the width, back up
16851 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16853 // store i & len in case the word is too long
16854 old_i = i, old_len = len;
16856 // find the end of the last word
16857 while (i && src[i] != ' ' && src[i] != '\n')
16863 // word too long? restore i & len before splitting it
16864 if ((old_i-i+clen) >= width)
16871 if (i && src[i-1] == ' ')
16874 if (src[i] != ' ' && src[i] != '\n')
16881 // now append the newline and continuation sequence
16886 strncpy(dest+len, cseq, cseq_len);
16894 dest[len] = src[i];
16898 if (src[i] == '\n')
16903 if (dest && appData.debugMode)
16905 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16906 count, width, line, len, *lp);
16907 show_bytes(debugFP, src, count);
16908 fprintf(debugFP, "\ndest: ");
16909 show_bytes(debugFP, dest, len);
16910 fprintf(debugFP, "\n");
16912 *lp = dest ? line : old_line;
16917 // [HGM] vari: routines for shelving variations
16918 Boolean modeRestore = FALSE;
16921 PushInner(int firstMove, int lastMove)
16923 int i, j, nrMoves = lastMove - firstMove;
16925 // push current tail of game on stack
16926 savedResult[storedGames] = gameInfo.result;
16927 savedDetails[storedGames] = gameInfo.resultDetails;
16928 gameInfo.resultDetails = NULL;
16929 savedFirst[storedGames] = firstMove;
16930 savedLast [storedGames] = lastMove;
16931 savedFramePtr[storedGames] = framePtr;
16932 framePtr -= nrMoves; // reserve space for the boards
16933 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16934 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16935 for(j=0; j<MOVE_LEN; j++)
16936 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16937 for(j=0; j<2*MOVE_LEN; j++)
16938 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16939 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16940 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16941 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16942 pvInfoList[firstMove+i-1].depth = 0;
16943 commentList[framePtr+i] = commentList[firstMove+i];
16944 commentList[firstMove+i] = NULL;
16948 forwardMostMove = firstMove; // truncate game so we can start variation
16952 PushTail(int firstMove, int lastMove)
16954 if(appData.icsActive) { // only in local mode
16955 forwardMostMove = currentMove; // mimic old ICS behavior
16958 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16960 PushInner(firstMove, lastMove);
16961 if(storedGames == 1) GreyRevert(FALSE);
16962 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16966 PopInner(Boolean annotate)
16969 char buf[8000], moveBuf[20];
16971 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16972 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16973 nrMoves = savedLast[storedGames] - currentMove;
16976 if(!WhiteOnMove(currentMove))
16977 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16978 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16979 for(i=currentMove; i<forwardMostMove; i++) {
16981 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16982 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16983 strcat(buf, moveBuf);
16984 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16985 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16989 for(i=1; i<=nrMoves; i++) { // copy last variation back
16990 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16991 for(j=0; j<MOVE_LEN; j++)
16992 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16993 for(j=0; j<2*MOVE_LEN; j++)
16994 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16995 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16996 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16997 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16998 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16999 commentList[currentMove+i] = commentList[framePtr+i];
17000 commentList[framePtr+i] = NULL;
17002 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17003 framePtr = savedFramePtr[storedGames];
17004 gameInfo.result = savedResult[storedGames];
17005 if(gameInfo.resultDetails != NULL) {
17006 free(gameInfo.resultDetails);
17008 gameInfo.resultDetails = savedDetails[storedGames];
17009 forwardMostMove = currentMove + nrMoves;
17013 PopTail(Boolean annotate)
17015 if(appData.icsActive) return FALSE; // only in local mode
17016 if(!storedGames) return FALSE; // sanity
17017 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17019 PopInner(annotate);
17020 if(currentMove < forwardMostMove) ForwardEvent(); else
17021 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17023 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17029 { // remove all shelved variations
17031 for(i=0; i<storedGames; i++) {
17032 if(savedDetails[i])
17033 free(savedDetails[i]);
17034 savedDetails[i] = NULL;
17036 for(i=framePtr; i<MAX_MOVES; i++) {
17037 if(commentList[i]) free(commentList[i]);
17038 commentList[i] = NULL;
17040 framePtr = MAX_MOVES-1;
17045 LoadVariation(int index, char *text)
17046 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17047 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17048 int level = 0, move;
17050 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17051 // first find outermost bracketing variation
17052 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17053 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17054 if(*p == '{') wait = '}'; else
17055 if(*p == '[') wait = ']'; else
17056 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17057 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17059 if(*p == wait) wait = NULLCHAR; // closing ]} found
17062 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17063 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17064 end[1] = NULLCHAR; // clip off comment beyond variation
17065 ToNrEvent(currentMove-1);
17066 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17067 // kludge: use ParsePV() to append variation to game
17068 move = currentMove;
17069 ParsePV(start, TRUE, TRUE);
17070 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17071 ClearPremoveHighlights();
17073 ToNrEvent(currentMove+1);