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 /* A point in time */
152 long sec; /* Assuming this is >= 32 bits */
153 int ms; /* Assuming this is >= 16 bits */
156 int establish P((void));
157 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
158 char *buf, int count, int error));
159 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
160 char *buf, int count, int error));
161 void ics_printf P((char *format, ...));
162 void SendToICS P((char *s));
163 void SendToICSDelayed P((char *s, long msdelay));
164 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
165 void HandleMachineMove P((char *message, ChessProgramState *cps));
166 int AutoPlayOneMove P((void));
167 int LoadGameOneMove P((ChessMove readAhead));
168 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
169 int LoadPositionFromFile P((char *filename, int n, char *title));
170 int SavePositionToFile P((char *filename));
171 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
172 void ShowMove P((int fromX, int fromY, int toX, int toY));
173 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
174 /*char*/int promoChar));
175 void BackwardInner P((int target));
176 void ForwardInner P((int target));
177 int Adjudicate P((ChessProgramState *cps));
178 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
179 void EditPositionDone P((Boolean fakeRights));
180 void PrintOpponents P((FILE *fp));
181 void PrintPosition P((FILE *fp, int move));
182 void StartChessProgram P((ChessProgramState *cps));
183 void SendToProgram P((char *message, ChessProgramState *cps));
184 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
185 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
186 char *buf, int count, int error));
187 void SendTimeControl P((ChessProgramState *cps,
188 int mps, long tc, int inc, int sd, int st));
189 char *TimeControlTagValue P((void));
190 void Attention P((ChessProgramState *cps));
191 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
192 int ResurrectChessProgram P((void));
193 void DisplayComment P((int moveNumber, char *text));
194 void DisplayMove P((int moveNumber));
196 void ParseGameHistory P((char *game));
197 void ParseBoard12 P((char *string));
198 void KeepAlive P((void));
199 void StartClocks P((void));
200 void SwitchClocks P((int nr));
201 void StopClocks P((void));
202 void ResetClocks P((void));
203 char *PGNDate P((void));
204 void SetGameInfo P((void));
205 int RegisterMove P((void));
206 void MakeRegisteredMove P((void));
207 void TruncateGame P((void));
208 int looking_at P((char *, int *, char *));
209 void CopyPlayerNameIntoFileName P((char **, char *));
210 char *SavePart P((char *));
211 int SaveGameOldStyle P((FILE *));
212 int SaveGamePGN P((FILE *));
213 void GetTimeMark P((TimeMark *));
214 long SubtractTimeMarks P((TimeMark *, TimeMark *));
215 int CheckFlags P((void));
216 long NextTickLength P((long));
217 void CheckTimeControl P((void));
218 void show_bytes P((FILE *, char *, int));
219 int string_to_rating P((char *str));
220 void ParseFeatures P((char* args, ChessProgramState *cps));
221 void InitBackEnd3 P((void));
222 void FeatureDone P((ChessProgramState* cps, int val));
223 void InitChessProgram P((ChessProgramState *cps, int setup));
224 void OutputKibitz(int window, char *text);
225 int PerpetualChase(int first, int last);
226 int EngineOutputIsUp();
227 void InitDrawingSizes(int x, int y);
228 void NextMatchGame P((void));
229 int NextTourneyGame P((int nr, int *swap));
230 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
231 FILE *WriteTourneyFile P((char *results, FILE *f));
232 void DisplayTwoMachinesTitle P(());
235 extern void ConsoleCreate();
238 ChessProgramState *WhitePlayer();
239 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
240 int VerifyDisplayMode P(());
242 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
243 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
244 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
245 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
246 void ics_update_width P((int new_width));
247 extern char installDir[MSG_SIZ];
248 VariantClass startVariant; /* [HGM] nicks: initial variant */
251 extern int tinyLayout, smallLayout;
252 ChessProgramStats programStats;
253 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
255 static int exiting = 0; /* [HGM] moved to top */
256 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
257 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
258 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
259 int partnerHighlight[2];
260 Boolean partnerBoardValid = 0;
261 char partnerStatus[MSG_SIZ];
263 Boolean originalFlip;
264 Boolean twoBoards = 0;
265 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
266 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
267 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
268 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
269 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
270 int opponentKibitzes;
271 int lastSavedGame; /* [HGM] save: ID of game */
272 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
273 extern int chatCount;
275 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
276 char lastMsg[MSG_SIZ];
277 ChessSquare pieceSweep = EmptySquare;
278 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
279 int promoDefaultAltered;
281 /* States for ics_getting_history */
283 #define H_REQUESTED 1
284 #define H_GOT_REQ_HEADER 2
285 #define H_GOT_UNREQ_HEADER 3
286 #define H_GETTING_MOVES 4
287 #define H_GOT_UNWANTED_HEADER 5
289 /* whosays values for GameEnds */
298 /* Maximum number of games in a cmail message */
299 #define CMAIL_MAX_GAMES 20
301 /* Different types of move when calling RegisterMove */
303 #define CMAIL_RESIGN 1
305 #define CMAIL_ACCEPT 3
307 /* Different types of result to remember for each game */
308 #define CMAIL_NOT_RESULT 0
309 #define CMAIL_OLD_RESULT 1
310 #define CMAIL_NEW_RESULT 2
312 /* Telnet protocol constants */
323 safeStrCpy( char *dst, const char *src, size_t count )
326 assert( dst != NULL );
327 assert( src != NULL );
330 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
331 if( i == count && dst[count-1] != NULLCHAR)
333 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
334 if(appData.debugMode)
335 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
341 /* Some compiler can't cast u64 to double
342 * This function do the job for us:
344 * We use the highest bit for cast, this only
345 * works if the highest bit is not
346 * in use (This should not happen)
348 * We used this for all compiler
351 u64ToDouble(u64 value)
354 u64 tmp = value & u64Const(0x7fffffffffffffff);
355 r = (double)(s64)tmp;
356 if (value & u64Const(0x8000000000000000))
357 r += 9.2233720368547758080e18; /* 2^63 */
361 /* Fake up flags for now, as we aren't keeping track of castling
362 availability yet. [HGM] Change of logic: the flag now only
363 indicates the type of castlings allowed by the rule of the game.
364 The actual rights themselves are maintained in the array
365 castlingRights, as part of the game history, and are not probed
371 int flags = F_ALL_CASTLE_OK;
372 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
373 switch (gameInfo.variant) {
375 flags &= ~F_ALL_CASTLE_OK;
376 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
377 flags |= F_IGNORE_CHECK;
379 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
382 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
384 case VariantKriegspiel:
385 flags |= F_KRIEGSPIEL_CAPTURE;
387 case VariantCapaRandom:
388 case VariantFischeRandom:
389 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
390 case VariantNoCastle:
391 case VariantShatranj:
395 flags &= ~F_ALL_CASTLE_OK;
403 FILE *gameFileFP, *debugFP;
406 [AS] Note: sometimes, the sscanf() function is used to parse the input
407 into a fixed-size buffer. Because of this, we must be prepared to
408 receive strings as long as the size of the input buffer, which is currently
409 set to 4K for Windows and 8K for the rest.
410 So, we must either allocate sufficiently large buffers here, or
411 reduce the size of the input buffer in the input reading part.
414 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
415 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
416 char thinkOutput1[MSG_SIZ*10];
418 ChessProgramState first, second, pairing;
420 /* premove variables */
423 int premoveFromX = 0;
424 int premoveFromY = 0;
425 int premovePromoChar = 0;
427 Boolean alarmSounded;
428 /* end premove variables */
430 char *ics_prefix = "$";
431 int ics_type = ICS_GENERIC;
433 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
434 int pauseExamForwardMostMove = 0;
435 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
436 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
437 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
438 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
439 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
440 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
441 int whiteFlag = FALSE, blackFlag = FALSE;
442 int userOfferedDraw = FALSE;
443 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
444 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
445 int cmailMoveType[CMAIL_MAX_GAMES];
446 long ics_clock_paused = 0;
447 ProcRef icsPR = NoProc, cmailPR = NoProc;
448 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
449 GameMode gameMode = BeginningOfGame;
450 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
451 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
452 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
453 int hiddenThinkOutputState = 0; /* [AS] */
454 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
455 int adjudicateLossPlies = 6;
456 char white_holding[64], black_holding[64];
457 TimeMark lastNodeCountTime;
458 long lastNodeCount=0;
459 int shiftKey; // [HGM] set by mouse handler
461 int have_sent_ICS_logon = 0;
463 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
464 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
465 Boolean adjustedClock;
466 long timeControl_2; /* [AS] Allow separate time controls */
467 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
468 long timeRemaining[2][MAX_MOVES];
469 int matchGame = 0, nextGame = 0, roundNr = 0;
470 Boolean waitingForGame = FALSE;
471 TimeMark programStartTime, pauseStart;
472 char ics_handle[MSG_SIZ];
473 int have_set_title = 0;
475 /* animateTraining preserves the state of appData.animate
476 * when Training mode is activated. This allows the
477 * response to be animated when appData.animate == TRUE and
478 * appData.animateDragging == TRUE.
480 Boolean animateTraining;
486 Board boards[MAX_MOVES];
487 /* [HGM] Following 7 needed for accurate legality tests: */
488 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
489 signed char initialRights[BOARD_FILES];
490 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
491 int initialRulePlies, FENrulePlies;
492 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
494 Boolean shuffleOpenings;
495 int mute; // mute all sounds
497 // [HGM] vari: next 12 to save and restore variations
498 #define MAX_VARIATIONS 10
499 int framePtr = MAX_MOVES-1; // points to free stack entry
501 int savedFirst[MAX_VARIATIONS];
502 int savedLast[MAX_VARIATIONS];
503 int savedFramePtr[MAX_VARIATIONS];
504 char *savedDetails[MAX_VARIATIONS];
505 ChessMove savedResult[MAX_VARIATIONS];
507 void PushTail P((int firstMove, int lastMove));
508 Boolean PopTail P((Boolean annotate));
509 void PushInner P((int firstMove, int lastMove));
510 void PopInner P((Boolean annotate));
511 void CleanupTail P((void));
513 ChessSquare FIDEArray[2][BOARD_FILES] = {
514 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
515 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
516 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
517 BlackKing, BlackBishop, BlackKnight, BlackRook }
520 ChessSquare twoKingsArray[2][BOARD_FILES] = {
521 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
522 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
523 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
524 BlackKing, BlackKing, BlackKnight, BlackRook }
527 ChessSquare KnightmateArray[2][BOARD_FILES] = {
528 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
529 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
530 { BlackRook, BlackMan, BlackBishop, BlackQueen,
531 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
534 ChessSquare SpartanArray[2][BOARD_FILES] = {
535 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
536 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
537 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
538 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
541 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
542 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
543 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
544 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
545 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
548 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
549 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
550 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
551 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
552 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
555 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
556 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
557 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
558 { BlackRook, BlackKnight, BlackMan, BlackFerz,
559 BlackKing, BlackMan, BlackKnight, BlackRook }
563 #if (BOARD_FILES>=10)
564 ChessSquare ShogiArray[2][BOARD_FILES] = {
565 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
566 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
567 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
568 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
571 ChessSquare XiangqiArray[2][BOARD_FILES] = {
572 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
573 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
574 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
575 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
578 ChessSquare CapablancaArray[2][BOARD_FILES] = {
579 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
580 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
581 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
582 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
585 ChessSquare GreatArray[2][BOARD_FILES] = {
586 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
587 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
588 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
589 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
592 ChessSquare JanusArray[2][BOARD_FILES] = {
593 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
594 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
595 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
596 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
599 ChessSquare GrandArray[2][BOARD_FILES] = {
600 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
601 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
602 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
603 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
607 ChessSquare GothicArray[2][BOARD_FILES] = {
608 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
609 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
610 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
611 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
614 #define GothicArray CapablancaArray
618 ChessSquare FalconArray[2][BOARD_FILES] = {
619 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
620 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
621 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
622 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
625 #define FalconArray CapablancaArray
628 #else // !(BOARD_FILES>=10)
629 #define XiangqiPosition FIDEArray
630 #define CapablancaArray FIDEArray
631 #define GothicArray FIDEArray
632 #define GreatArray FIDEArray
633 #endif // !(BOARD_FILES>=10)
635 #if (BOARD_FILES>=12)
636 ChessSquare CourierArray[2][BOARD_FILES] = {
637 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
638 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
639 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
640 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
642 #else // !(BOARD_FILES>=12)
643 #define CourierArray CapablancaArray
644 #endif // !(BOARD_FILES>=12)
647 Board initialPosition;
650 /* Convert str to a rating. Checks for special cases of "----",
652 "++++", etc. Also strips ()'s */
654 string_to_rating(str)
657 while(*str && !isdigit(*str)) ++str;
659 return 0; /* One of the special "no rating" cases */
667 /* Init programStats */
668 programStats.movelist[0] = 0;
669 programStats.depth = 0;
670 programStats.nr_moves = 0;
671 programStats.moves_left = 0;
672 programStats.nodes = 0;
673 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
674 programStats.score = 0;
675 programStats.got_only_move = 0;
676 programStats.got_fail = 0;
677 programStats.line_is_book = 0;
682 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
683 if (appData.firstPlaysBlack) {
684 first.twoMachinesColor = "black\n";
685 second.twoMachinesColor = "white\n";
687 first.twoMachinesColor = "white\n";
688 second.twoMachinesColor = "black\n";
691 first.other = &second;
692 second.other = &first;
695 if(appData.timeOddsMode) {
696 norm = appData.timeOdds[0];
697 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
699 first.timeOdds = appData.timeOdds[0]/norm;
700 second.timeOdds = appData.timeOdds[1]/norm;
703 if(programVersion) free(programVersion);
704 if (appData.noChessProgram) {
705 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
706 sprintf(programVersion, "%s", PACKAGE_STRING);
708 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
709 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
710 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
715 UnloadEngine(ChessProgramState *cps)
717 /* Kill off first chess program */
718 if (cps->isr != NULL)
719 RemoveInputSource(cps->isr);
722 if (cps->pr != NoProc) {
724 DoSleep( appData.delayBeforeQuit );
725 SendToProgram("quit\n", cps);
726 DoSleep( appData.delayAfterQuit );
727 DestroyChildProcess(cps->pr, cps->useSigterm);
730 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
734 ClearOptions(ChessProgramState *cps)
737 cps->nrOptions = cps->comboCnt = 0;
738 for(i=0; i<MAX_OPTIONS; i++) {
739 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
740 cps->option[i].textValue = 0;
744 char *engineNames[] = {
750 InitEngine(ChessProgramState *cps, int n)
751 { // [HGM] all engine initialiation put in a function that does one engine
755 cps->which = engineNames[n];
756 cps->maybeThinking = FALSE;
760 cps->sendDrawOffers = 1;
762 cps->program = appData.chessProgram[n];
763 cps->host = appData.host[n];
764 cps->dir = appData.directory[n];
765 cps->initString = appData.engInitString[n];
766 cps->computerString = appData.computerString[n];
767 cps->useSigint = TRUE;
768 cps->useSigterm = TRUE;
769 cps->reuse = appData.reuse[n];
770 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
771 cps->useSetboard = FALSE;
773 cps->usePing = FALSE;
776 cps->usePlayother = FALSE;
777 cps->useColors = TRUE;
778 cps->useUsermove = FALSE;
779 cps->sendICS = FALSE;
780 cps->sendName = appData.icsActive;
781 cps->sdKludge = FALSE;
782 cps->stKludge = FALSE;
783 TidyProgramName(cps->program, cps->host, cps->tidy);
785 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
786 cps->analysisSupport = 2; /* detect */
787 cps->analyzing = FALSE;
788 cps->initDone = FALSE;
790 /* New features added by Tord: */
791 cps->useFEN960 = FALSE;
792 cps->useOOCastle = TRUE;
793 /* End of new features added by Tord. */
794 cps->fenOverride = appData.fenOverride[n];
796 /* [HGM] time odds: set factor for each machine */
797 cps->timeOdds = appData.timeOdds[n];
799 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
800 cps->accumulateTC = appData.accumulateTC[n];
801 cps->maxNrOfSessions = 1;
806 cps->supportsNPS = UNKNOWN;
807 cps->memSize = FALSE;
808 cps->maxCores = FALSE;
809 cps->egtFormats[0] = NULLCHAR;
812 cps->optionSettings = appData.engOptions[n];
814 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
815 cps->isUCI = appData.isUCI[n]; /* [AS] */
816 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
818 if (appData.protocolVersion[n] > PROTOVER
819 || appData.protocolVersion[n] < 1)
824 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
825 appData.protocolVersion[n]);
826 if( (len > MSG_SIZ) && appData.debugMode )
827 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
829 DisplayFatalError(buf, 0, 2);
833 cps->protocolVersion = appData.protocolVersion[n];
836 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
839 ChessProgramState *savCps;
845 if(WaitForEngine(savCps, LoadEngine)) return;
846 CommonEngineInit(); // recalculate time odds
847 if(gameInfo.variant != StringToVariant(appData.variant)) {
848 // we changed variant when loading the engine; this forces us to reset
849 Reset(TRUE, savCps != &first);
850 EditGameEvent(); // for consistency with other path, as Reset changes mode
852 InitChessProgram(savCps, FALSE);
853 SendToProgram("force\n", savCps);
854 DisplayMessage("", "");
855 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
856 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
862 ReplaceEngine(ChessProgramState *cps, int n)
866 appData.noChessProgram = FALSE;
867 appData.clockMode = TRUE;
870 if(n) return; // only startup first engine immediately; second can wait
871 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
875 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
876 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
878 static char resetOptions[] =
879 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
880 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
881 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
884 Load(ChessProgramState *cps, int i)
886 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
887 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
888 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
889 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
890 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
891 ParseArgsFromString(buf);
893 ReplaceEngine(cps, i);
897 while(q = strchr(p, SLASH)) p = q+1;
898 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
899 if(engineDir[0] != NULLCHAR)
900 appData.directory[i] = engineDir;
901 else if(p != engineName) { // derive directory from engine path, when not given
903 appData.directory[i] = strdup(engineName);
905 } else appData.directory[i] = ".";
907 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
908 snprintf(command, MSG_SIZ, "%s %s", p, params);
911 appData.chessProgram[i] = strdup(p);
912 appData.isUCI[i] = isUCI;
913 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
914 appData.hasOwnBookUCI[i] = hasBook;
915 if(!nickName[0]) useNick = FALSE;
916 if(useNick) ASSIGN(appData.pgnName[i], nickName);
920 q = firstChessProgramNames;
921 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
922 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
923 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
924 quote, p, quote, appData.directory[i],
925 useNick ? " -fn \"" : "",
926 useNick ? nickName : "",
928 v1 ? " -firstProtocolVersion 1" : "",
929 hasBook ? "" : " -fNoOwnBookUCI",
930 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
931 storeVariant ? " -variant " : "",
932 storeVariant ? VariantName(gameInfo.variant) : "");
933 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
934 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
937 ReplaceEngine(cps, i);
943 int matched, min, sec;
945 * Parse timeControl resource
947 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
948 appData.movesPerSession)) {
950 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
951 DisplayFatalError(buf, 0, 2);
955 * Parse searchTime resource
957 if (*appData.searchTime != NULLCHAR) {
958 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
960 searchTime = min * 60;
961 } else if (matched == 2) {
962 searchTime = min * 60 + sec;
965 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
966 DisplayFatalError(buf, 0, 2);
975 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
976 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
978 GetTimeMark(&programStartTime);
979 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
980 appData.seedBase = random() + (random()<<15);
981 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
984 programStats.ok_to_send = 1;
985 programStats.seen_stat = 0;
988 * Initialize game list
994 * Internet chess server status
996 if (appData.icsActive) {
997 appData.matchMode = FALSE;
998 appData.matchGames = 0;
1000 appData.noChessProgram = !appData.zippyPlay;
1002 appData.zippyPlay = FALSE;
1003 appData.zippyTalk = FALSE;
1004 appData.noChessProgram = TRUE;
1006 if (*appData.icsHelper != NULLCHAR) {
1007 appData.useTelnet = TRUE;
1008 appData.telnetProgram = appData.icsHelper;
1011 appData.zippyTalk = appData.zippyPlay = FALSE;
1014 /* [AS] Initialize pv info list [HGM] and game state */
1018 for( i=0; i<=framePtr; i++ ) {
1019 pvInfoList[i].depth = -1;
1020 boards[i][EP_STATUS] = EP_NONE;
1021 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1027 /* [AS] Adjudication threshold */
1028 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1030 InitEngine(&first, 0);
1031 InitEngine(&second, 1);
1034 pairing.which = "pairing"; // pairing engine
1035 pairing.pr = NoProc;
1037 pairing.program = appData.pairingEngine;
1038 pairing.host = "localhost";
1041 if (appData.icsActive) {
1042 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1043 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1044 appData.clockMode = FALSE;
1045 first.sendTime = second.sendTime = 0;
1049 /* Override some settings from environment variables, for backward
1050 compatibility. Unfortunately it's not feasible to have the env
1051 vars just set defaults, at least in xboard. Ugh.
1053 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1058 if (!appData.icsActive) {
1062 /* Check for variants that are supported only in ICS mode,
1063 or not at all. Some that are accepted here nevertheless
1064 have bugs; see comments below.
1066 VariantClass variant = StringToVariant(appData.variant);
1068 case VariantBughouse: /* need four players and two boards */
1069 case VariantKriegspiel: /* need to hide pieces and move details */
1070 /* case VariantFischeRandom: (Fabien: moved below) */
1071 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1072 if( (len > MSG_SIZ) && appData.debugMode )
1073 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1075 DisplayFatalError(buf, 0, 2);
1078 case VariantUnknown:
1079 case VariantLoadable:
1089 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1090 if( (len > MSG_SIZ) && appData.debugMode )
1091 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1093 DisplayFatalError(buf, 0, 2);
1096 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1097 case VariantFairy: /* [HGM] TestLegality definitely off! */
1098 case VariantGothic: /* [HGM] should work */
1099 case VariantCapablanca: /* [HGM] should work */
1100 case VariantCourier: /* [HGM] initial forced moves not implemented */
1101 case VariantShogi: /* [HGM] could still mate with pawn drop */
1102 case VariantKnightmate: /* [HGM] should work */
1103 case VariantCylinder: /* [HGM] untested */
1104 case VariantFalcon: /* [HGM] untested */
1105 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1106 offboard interposition not understood */
1107 case VariantNormal: /* definitely works! */
1108 case VariantWildCastle: /* pieces not automatically shuffled */
1109 case VariantNoCastle: /* pieces not automatically shuffled */
1110 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1111 case VariantLosers: /* should work except for win condition,
1112 and doesn't know captures are mandatory */
1113 case VariantSuicide: /* should work except for win condition,
1114 and doesn't know captures are mandatory */
1115 case VariantGiveaway: /* should work except for win condition,
1116 and doesn't know captures are mandatory */
1117 case VariantTwoKings: /* should work */
1118 case VariantAtomic: /* should work except for win condition */
1119 case Variant3Check: /* should work except for win condition */
1120 case VariantShatranj: /* should work except for all win conditions */
1121 case VariantMakruk: /* should work except for draw countdown */
1122 case VariantBerolina: /* might work if TestLegality is off */
1123 case VariantCapaRandom: /* should work */
1124 case VariantJanus: /* should work */
1125 case VariantSuper: /* experimental */
1126 case VariantGreat: /* experimental, requires legality testing to be off */
1127 case VariantSChess: /* S-Chess, should work */
1128 case VariantGrand: /* should work */
1129 case VariantSpartan: /* should work */
1136 int NextIntegerFromString( char ** str, long * value )
1141 while( *s == ' ' || *s == '\t' ) {
1147 if( *s >= '0' && *s <= '9' ) {
1148 while( *s >= '0' && *s <= '9' ) {
1149 *value = *value * 10 + (*s - '0');
1161 int NextTimeControlFromString( char ** str, long * value )
1164 int result = NextIntegerFromString( str, &temp );
1167 *value = temp * 60; /* Minutes */
1168 if( **str == ':' ) {
1170 result = NextIntegerFromString( str, &temp );
1171 *value += temp; /* Seconds */
1178 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1179 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1180 int result = -1, type = 0; long temp, temp2;
1182 if(**str != ':') return -1; // old params remain in force!
1184 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1185 if( NextIntegerFromString( str, &temp ) ) return -1;
1186 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1189 /* time only: incremental or sudden-death time control */
1190 if(**str == '+') { /* increment follows; read it */
1192 if(**str == '!') type = *(*str)++; // Bronstein TC
1193 if(result = NextIntegerFromString( str, &temp2)) return -1;
1194 *inc = temp2 * 1000;
1195 if(**str == '.') { // read fraction of increment
1196 char *start = ++(*str);
1197 if(result = NextIntegerFromString( str, &temp2)) return -1;
1199 while(start++ < *str) temp2 /= 10;
1203 *moves = 0; *tc = temp * 1000; *incType = type;
1207 (*str)++; /* classical time control */
1208 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1219 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1220 { /* [HGM] get time to add from the multi-session time-control string */
1221 int incType, moves=1; /* kludge to force reading of first session */
1222 long time, increment;
1225 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1226 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1228 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1229 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1230 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1231 if(movenr == -1) return time; /* last move before new session */
1232 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1233 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1234 if(!moves) return increment; /* current session is incremental */
1235 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1236 } while(movenr >= -1); /* try again for next session */
1238 return 0; // no new time quota on this move
1242 ParseTimeControl(tc, ti, mps)
1249 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1252 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1253 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1254 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1258 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1260 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1263 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1265 snprintf(buf, MSG_SIZ, ":%s", mytc);
1267 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1269 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1274 /* Parse second time control */
1277 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1285 timeControl_2 = tc2 * 1000;
1295 timeControl = tc1 * 1000;
1298 timeIncrement = ti * 1000; /* convert to ms */
1299 movesPerSession = 0;
1302 movesPerSession = mps;
1310 if (appData.debugMode) {
1311 fprintf(debugFP, "%s\n", programVersion);
1314 set_cont_sequence(appData.wrapContSeq);
1315 if (appData.matchGames > 0) {
1316 appData.matchMode = TRUE;
1317 } else if (appData.matchMode) {
1318 appData.matchGames = 1;
1320 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1321 appData.matchGames = appData.sameColorGames;
1322 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1323 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1324 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1327 if (appData.noChessProgram || first.protocolVersion == 1) {
1330 /* kludge: allow timeout for initial "feature" commands */
1332 DisplayMessage("", _("Starting chess program"));
1333 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1338 CalculateIndex(int index, int gameNr)
1339 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1341 if(index > 0) return index; // fixed nmber
1342 if(index == 0) return 1;
1343 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1344 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1349 LoadGameOrPosition(int gameNr)
1350 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1351 if (*appData.loadGameFile != NULLCHAR) {
1352 if (!LoadGameFromFile(appData.loadGameFile,
1353 CalculateIndex(appData.loadGameIndex, gameNr),
1354 appData.loadGameFile, FALSE)) {
1355 DisplayFatalError(_("Bad game file"), 0, 1);
1358 } else if (*appData.loadPositionFile != NULLCHAR) {
1359 if (!LoadPositionFromFile(appData.loadPositionFile,
1360 CalculateIndex(appData.loadPositionIndex, gameNr),
1361 appData.loadPositionFile)) {
1362 DisplayFatalError(_("Bad position file"), 0, 1);
1370 ReserveGame(int gameNr, char resChar)
1372 FILE *tf = fopen(appData.tourneyFile, "r+");
1373 char *p, *q, c, buf[MSG_SIZ];
1374 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1375 safeStrCpy(buf, lastMsg, MSG_SIZ);
1376 DisplayMessage(_("Pick new game"), "");
1377 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1378 ParseArgsFromFile(tf);
1379 p = q = appData.results;
1380 if(appData.debugMode) {
1381 char *r = appData.participants;
1382 fprintf(debugFP, "results = '%s'\n", p);
1383 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1384 fprintf(debugFP, "\n");
1386 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1388 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1389 safeStrCpy(q, p, strlen(p) + 2);
1390 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1391 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1392 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1393 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1396 fseek(tf, -(strlen(p)+4), SEEK_END);
1398 if(c != '"') // depending on DOS or Unix line endings we can be one off
1399 fseek(tf, -(strlen(p)+2), SEEK_END);
1400 else fseek(tf, -(strlen(p)+3), SEEK_END);
1401 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1402 DisplayMessage(buf, "");
1403 free(p); appData.results = q;
1404 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1405 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1406 UnloadEngine(&first); // next game belongs to other pairing;
1407 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1412 MatchEvent(int mode)
1413 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1415 if(matchMode) { // already in match mode: switch it off
1417 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1420 // if(gameMode != BeginningOfGame) {
1421 // DisplayError(_("You can only start a match from the initial position."), 0);
1425 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1426 /* Set up machine vs. machine match */
1428 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1429 if(appData.tourneyFile[0]) {
1431 if(nextGame > appData.matchGames) {
1433 if(strchr(appData.results, '*') == NULL) {
1435 appData.tourneyCycles++;
1436 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1438 NextTourneyGame(-1, &dummy);
1440 if(nextGame <= appData.matchGames) {
1441 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1443 ScheduleDelayedEvent(NextMatchGame, 10000);
1448 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1449 DisplayError(buf, 0);
1450 appData.tourneyFile[0] = 0;
1454 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1455 DisplayFatalError(_("Can't have a match with no chess programs"),
1460 matchGame = roundNr = 1;
1461 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1466 InitBackEnd3 P((void))
1468 GameMode initialMode;
1472 InitChessProgram(&first, startedFromSetupPosition);
1474 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1475 free(programVersion);
1476 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1477 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1480 if (appData.icsActive) {
1482 /* [DM] Make a console window if needed [HGM] merged ifs */
1488 if (*appData.icsCommPort != NULLCHAR)
1489 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1490 appData.icsCommPort);
1492 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1493 appData.icsHost, appData.icsPort);
1495 if( (len > MSG_SIZ) && appData.debugMode )
1496 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1498 DisplayFatalError(buf, err, 1);
1503 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1505 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1506 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1507 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1508 } else if (appData.noChessProgram) {
1514 if (*appData.cmailGameName != NULLCHAR) {
1516 OpenLoopback(&cmailPR);
1518 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1522 DisplayMessage("", "");
1523 if (StrCaseCmp(appData.initialMode, "") == 0) {
1524 initialMode = BeginningOfGame;
1525 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1526 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1527 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1528 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1531 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1532 initialMode = TwoMachinesPlay;
1533 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1534 initialMode = AnalyzeFile;
1535 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1536 initialMode = AnalyzeMode;
1537 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1538 initialMode = MachinePlaysWhite;
1539 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1540 initialMode = MachinePlaysBlack;
1541 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1542 initialMode = EditGame;
1543 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1544 initialMode = EditPosition;
1545 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1546 initialMode = Training;
1548 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1549 if( (len > MSG_SIZ) && appData.debugMode )
1550 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1552 DisplayFatalError(buf, 0, 2);
1556 if (appData.matchMode) {
1557 if(appData.tourneyFile[0]) { // start tourney from command line
1559 if(f = fopen(appData.tourneyFile, "r")) {
1560 ParseArgsFromFile(f); // make sure tourney parmeters re known
1562 appData.clockMode = TRUE;
1564 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1567 } else if (*appData.cmailGameName != NULLCHAR) {
1568 /* Set up cmail mode */
1569 ReloadCmailMsgEvent(TRUE);
1571 /* Set up other modes */
1572 if (initialMode == AnalyzeFile) {
1573 if (*appData.loadGameFile == NULLCHAR) {
1574 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1578 if (*appData.loadGameFile != NULLCHAR) {
1579 (void) LoadGameFromFile(appData.loadGameFile,
1580 appData.loadGameIndex,
1581 appData.loadGameFile, TRUE);
1582 } else if (*appData.loadPositionFile != NULLCHAR) {
1583 (void) LoadPositionFromFile(appData.loadPositionFile,
1584 appData.loadPositionIndex,
1585 appData.loadPositionFile);
1586 /* [HGM] try to make self-starting even after FEN load */
1587 /* to allow automatic setup of fairy variants with wtm */
1588 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1589 gameMode = BeginningOfGame;
1590 setboardSpoiledMachineBlack = 1;
1592 /* [HGM] loadPos: make that every new game uses the setup */
1593 /* from file as long as we do not switch variant */
1594 if(!blackPlaysFirst) {
1595 startedFromPositionFile = TRUE;
1596 CopyBoard(filePosition, boards[0]);
1599 if (initialMode == AnalyzeMode) {
1600 if (appData.noChessProgram) {
1601 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1604 if (appData.icsActive) {
1605 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1609 } else if (initialMode == AnalyzeFile) {
1610 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1611 ShowThinkingEvent();
1613 AnalysisPeriodicEvent(1);
1614 } else if (initialMode == MachinePlaysWhite) {
1615 if (appData.noChessProgram) {
1616 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1620 if (appData.icsActive) {
1621 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1625 MachineWhiteEvent();
1626 } else if (initialMode == MachinePlaysBlack) {
1627 if (appData.noChessProgram) {
1628 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1632 if (appData.icsActive) {
1633 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1637 MachineBlackEvent();
1638 } else if (initialMode == TwoMachinesPlay) {
1639 if (appData.noChessProgram) {
1640 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1644 if (appData.icsActive) {
1645 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1650 } else if (initialMode == EditGame) {
1652 } else if (initialMode == EditPosition) {
1653 EditPositionEvent();
1654 } else if (initialMode == Training) {
1655 if (*appData.loadGameFile == NULLCHAR) {
1656 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1665 HistorySet( char movelist[][2*MOVE_LEN], int first, int last, int current )
1667 DisplayBook(current+1);
1669 MoveHistorySet( movelist, first, last, current, pvInfoList );
1671 EvalGraphSet( first, last, current, pvInfoList );
1673 MakeEngineOutputTitle();
1677 * Establish will establish a contact to a remote host.port.
1678 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1679 * used to talk to the host.
1680 * Returns 0 if okay, error code if not.
1687 if (*appData.icsCommPort != NULLCHAR) {
1688 /* Talk to the host through a serial comm port */
1689 return OpenCommPort(appData.icsCommPort, &icsPR);
1691 } else if (*appData.gateway != NULLCHAR) {
1692 if (*appData.remoteShell == NULLCHAR) {
1693 /* Use the rcmd protocol to run telnet program on a gateway host */
1694 snprintf(buf, sizeof(buf), "%s %s %s",
1695 appData.telnetProgram, appData.icsHost, appData.icsPort);
1696 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1699 /* Use the rsh program to run telnet program on a gateway host */
1700 if (*appData.remoteUser == NULLCHAR) {
1701 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1702 appData.gateway, appData.telnetProgram,
1703 appData.icsHost, appData.icsPort);
1705 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1706 appData.remoteShell, appData.gateway,
1707 appData.remoteUser, appData.telnetProgram,
1708 appData.icsHost, appData.icsPort);
1710 return StartChildProcess(buf, "", &icsPR);
1713 } else if (appData.useTelnet) {
1714 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1717 /* TCP socket interface differs somewhat between
1718 Unix and NT; handle details in the front end.
1720 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1724 void EscapeExpand(char *p, char *q)
1725 { // [HGM] initstring: routine to shape up string arguments
1726 while(*p++ = *q++) if(p[-1] == '\\')
1728 case 'n': p[-1] = '\n'; break;
1729 case 'r': p[-1] = '\r'; break;
1730 case 't': p[-1] = '\t'; break;
1731 case '\\': p[-1] = '\\'; break;
1732 case 0: *p = 0; return;
1733 default: p[-1] = q[-1]; break;
1738 show_bytes(fp, buf, count)
1744 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1745 fprintf(fp, "\\%03o", *buf & 0xff);
1754 /* Returns an errno value */
1756 OutputMaybeTelnet(pr, message, count, outError)
1762 char buf[8192], *p, *q, *buflim;
1763 int left, newcount, outcount;
1765 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1766 *appData.gateway != NULLCHAR) {
1767 if (appData.debugMode) {
1768 fprintf(debugFP, ">ICS: ");
1769 show_bytes(debugFP, message, count);
1770 fprintf(debugFP, "\n");
1772 return OutputToProcess(pr, message, count, outError);
1775 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1782 if (appData.debugMode) {
1783 fprintf(debugFP, ">ICS: ");
1784 show_bytes(debugFP, buf, newcount);
1785 fprintf(debugFP, "\n");
1787 outcount = OutputToProcess(pr, buf, newcount, outError);
1788 if (outcount < newcount) return -1; /* to be sure */
1795 } else if (((unsigned char) *p) == TN_IAC) {
1796 *q++ = (char) TN_IAC;
1803 if (appData.debugMode) {
1804 fprintf(debugFP, ">ICS: ");
1805 show_bytes(debugFP, buf, newcount);
1806 fprintf(debugFP, "\n");
1808 outcount = OutputToProcess(pr, buf, newcount, outError);
1809 if (outcount < newcount) return -1; /* to be sure */
1814 read_from_player(isr, closure, message, count, error)
1821 int outError, outCount;
1822 static int gotEof = 0;
1824 /* Pass data read from player on to ICS */
1827 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1828 if (outCount < count) {
1829 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1831 } else if (count < 0) {
1832 RemoveInputSource(isr);
1833 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1834 } else if (gotEof++ > 0) {
1835 RemoveInputSource(isr);
1836 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1842 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1843 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1844 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1845 SendToICS("date\n");
1846 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1849 /* added routine for printf style output to ics */
1850 void ics_printf(char *format, ...)
1852 char buffer[MSG_SIZ];
1855 va_start(args, format);
1856 vsnprintf(buffer, sizeof(buffer), format, args);
1857 buffer[sizeof(buffer)-1] = '\0';
1866 int count, outCount, outError;
1868 if (icsPR == NoProc) return;
1871 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1872 if (outCount < count) {
1873 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1877 /* This is used for sending logon scripts to the ICS. Sending
1878 without a delay causes problems when using timestamp on ICC
1879 (at least on my machine). */
1881 SendToICSDelayed(s,msdelay)
1885 int count, outCount, outError;
1887 if (icsPR == NoProc) return;
1890 if (appData.debugMode) {
1891 fprintf(debugFP, ">ICS: ");
1892 show_bytes(debugFP, s, count);
1893 fprintf(debugFP, "\n");
1895 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1897 if (outCount < count) {
1898 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1903 /* Remove all highlighting escape sequences in s
1904 Also deletes any suffix starting with '('
1907 StripHighlightAndTitle(s)
1910 static char retbuf[MSG_SIZ];
1913 while (*s != NULLCHAR) {
1914 while (*s == '\033') {
1915 while (*s != NULLCHAR && !isalpha(*s)) s++;
1916 if (*s != NULLCHAR) s++;
1918 while (*s != NULLCHAR && *s != '\033') {
1919 if (*s == '(' || *s == '[') {
1930 /* Remove all highlighting escape sequences in s */
1935 static char retbuf[MSG_SIZ];
1938 while (*s != NULLCHAR) {
1939 while (*s == '\033') {
1940 while (*s != NULLCHAR && !isalpha(*s)) s++;
1941 if (*s != NULLCHAR) s++;
1943 while (*s != NULLCHAR && *s != '\033') {
1951 char *variantNames[] = VARIANT_NAMES;
1956 return variantNames[v];
1960 /* Identify a variant from the strings the chess servers use or the
1961 PGN Variant tag names we use. */
1968 VariantClass v = VariantNormal;
1969 int i, found = FALSE;
1975 /* [HGM] skip over optional board-size prefixes */
1976 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1977 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1978 while( *e++ != '_');
1981 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1985 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1986 if (StrCaseStr(e, variantNames[i])) {
1987 v = (VariantClass) i;
1994 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1995 || StrCaseStr(e, "wild/fr")
1996 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1997 v = VariantFischeRandom;
1998 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1999 (i = 1, p = StrCaseStr(e, "w"))) {
2001 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2008 case 0: /* FICS only, actually */
2010 /* Castling legal even if K starts on d-file */
2011 v = VariantWildCastle;
2016 /* Castling illegal even if K & R happen to start in
2017 normal positions. */
2018 v = VariantNoCastle;
2031 /* Castling legal iff K & R start in normal positions */
2037 /* Special wilds for position setup; unclear what to do here */
2038 v = VariantLoadable;
2041 /* Bizarre ICC game */
2042 v = VariantTwoKings;
2045 v = VariantKriegspiel;
2051 v = VariantFischeRandom;
2054 v = VariantCrazyhouse;
2057 v = VariantBughouse;
2063 /* Not quite the same as FICS suicide! */
2064 v = VariantGiveaway;
2070 v = VariantShatranj;
2073 /* Temporary names for future ICC types. The name *will* change in
2074 the next xboard/WinBoard release after ICC defines it. */
2112 v = VariantCapablanca;
2115 v = VariantKnightmate;
2121 v = VariantCylinder;
2127 v = VariantCapaRandom;
2130 v = VariantBerolina;
2142 /* Found "wild" or "w" in the string but no number;
2143 must assume it's normal chess. */
2147 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2148 if( (len > MSG_SIZ) && appData.debugMode )
2149 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2151 DisplayError(buf, 0);
2157 if (appData.debugMode) {
2158 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2159 e, wnum, VariantName(v));
2164 static int leftover_start = 0, leftover_len = 0;
2165 char star_match[STAR_MATCH_N][MSG_SIZ];
2167 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2168 advance *index beyond it, and set leftover_start to the new value of
2169 *index; else return FALSE. If pattern contains the character '*', it
2170 matches any sequence of characters not containing '\r', '\n', or the
2171 character following the '*' (if any), and the matched sequence(s) are
2172 copied into star_match.
2175 looking_at(buf, index, pattern)
2180 char *bufp = &buf[*index], *patternp = pattern;
2182 char *matchp = star_match[0];
2185 if (*patternp == NULLCHAR) {
2186 *index = leftover_start = bufp - buf;
2190 if (*bufp == NULLCHAR) return FALSE;
2191 if (*patternp == '*') {
2192 if (*bufp == *(patternp + 1)) {
2194 matchp = star_match[++star_count];
2198 } else if (*bufp == '\n' || *bufp == '\r') {
2200 if (*patternp == NULLCHAR)
2205 *matchp++ = *bufp++;
2209 if (*patternp != *bufp) return FALSE;
2216 SendToPlayer(data, length)
2220 int error, outCount;
2221 outCount = OutputToProcess(NoProc, data, length, &error);
2222 if (outCount < length) {
2223 DisplayFatalError(_("Error writing to display"), error, 1);
2228 PackHolding(packed, holding)
2240 switch (runlength) {
2251 sprintf(q, "%d", runlength);
2263 /* Telnet protocol requests from the front end */
2265 TelnetRequest(ddww, option)
2266 unsigned char ddww, option;
2268 unsigned char msg[3];
2269 int outCount, outError;
2271 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2273 if (appData.debugMode) {
2274 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2290 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2299 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2302 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2307 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2309 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2316 if (!appData.icsActive) return;
2317 TelnetRequest(TN_DO, TN_ECHO);
2323 if (!appData.icsActive) return;
2324 TelnetRequest(TN_DONT, TN_ECHO);
2328 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2330 /* put the holdings sent to us by the server on the board holdings area */
2331 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2335 if(gameInfo.holdingsWidth < 2) return;
2336 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2337 return; // prevent overwriting by pre-board holdings
2339 if( (int)lowestPiece >= BlackPawn ) {
2342 holdingsStartRow = BOARD_HEIGHT-1;
2345 holdingsColumn = BOARD_WIDTH-1;
2346 countsColumn = BOARD_WIDTH-2;
2347 holdingsStartRow = 0;
2351 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2352 board[i][holdingsColumn] = EmptySquare;
2353 board[i][countsColumn] = (ChessSquare) 0;
2355 while( (p=*holdings++) != NULLCHAR ) {
2356 piece = CharToPiece( ToUpper(p) );
2357 if(piece == EmptySquare) continue;
2358 /*j = (int) piece - (int) WhitePawn;*/
2359 j = PieceToNumber(piece);
2360 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2361 if(j < 0) continue; /* should not happen */
2362 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2363 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2364 board[holdingsStartRow+j*direction][countsColumn]++;
2370 VariantSwitch(Board board, VariantClass newVariant)
2372 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2373 static Board oldBoard;
2375 startedFromPositionFile = FALSE;
2376 if(gameInfo.variant == newVariant) return;
2378 /* [HGM] This routine is called each time an assignment is made to
2379 * gameInfo.variant during a game, to make sure the board sizes
2380 * are set to match the new variant. If that means adding or deleting
2381 * holdings, we shift the playing board accordingly
2382 * This kludge is needed because in ICS observe mode, we get boards
2383 * of an ongoing game without knowing the variant, and learn about the
2384 * latter only later. This can be because of the move list we requested,
2385 * in which case the game history is refilled from the beginning anyway,
2386 * but also when receiving holdings of a crazyhouse game. In the latter
2387 * case we want to add those holdings to the already received position.
2391 if (appData.debugMode) {
2392 fprintf(debugFP, "Switch board from %s to %s\n",
2393 VariantName(gameInfo.variant), VariantName(newVariant));
2394 setbuf(debugFP, NULL);
2396 shuffleOpenings = 0; /* [HGM] shuffle */
2397 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2401 newWidth = 9; newHeight = 9;
2402 gameInfo.holdingsSize = 7;
2403 case VariantBughouse:
2404 case VariantCrazyhouse:
2405 newHoldingsWidth = 2; break;
2409 newHoldingsWidth = 2;
2410 gameInfo.holdingsSize = 8;
2413 case VariantCapablanca:
2414 case VariantCapaRandom:
2417 newHoldingsWidth = gameInfo.holdingsSize = 0;
2420 if(newWidth != gameInfo.boardWidth ||
2421 newHeight != gameInfo.boardHeight ||
2422 newHoldingsWidth != gameInfo.holdingsWidth ) {
2424 /* shift position to new playing area, if needed */
2425 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2426 for(i=0; i<BOARD_HEIGHT; i++)
2427 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2428 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2430 for(i=0; i<newHeight; i++) {
2431 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2432 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2434 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2435 for(i=0; i<BOARD_HEIGHT; i++)
2436 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2437 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2440 gameInfo.boardWidth = newWidth;
2441 gameInfo.boardHeight = newHeight;
2442 gameInfo.holdingsWidth = newHoldingsWidth;
2443 gameInfo.variant = newVariant;
2444 InitDrawingSizes(-2, 0);
2445 } else gameInfo.variant = newVariant;
2446 CopyBoard(oldBoard, board); // remember correctly formatted board
2447 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2448 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2451 static int loggedOn = FALSE;
2453 /*-- Game start info cache: --*/
2455 char gs_kind[MSG_SIZ];
2456 static char player1Name[128] = "";
2457 static char player2Name[128] = "";
2458 static char cont_seq[] = "\n\\ ";
2459 static int player1Rating = -1;
2460 static int player2Rating = -1;
2461 /*----------------------------*/
2463 ColorClass curColor = ColorNormal;
2464 int suppressKibitz = 0;
2467 Boolean soughtPending = FALSE;
2468 Boolean seekGraphUp;
2469 #define MAX_SEEK_ADS 200
2471 char *seekAdList[MAX_SEEK_ADS];
2472 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2473 float tcList[MAX_SEEK_ADS];
2474 char colorList[MAX_SEEK_ADS];
2475 int nrOfSeekAds = 0;
2476 int minRating = 1010, maxRating = 2800;
2477 int hMargin = 10, vMargin = 20, h, w;
2478 extern int squareSize, lineGap;
2483 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2484 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2485 if(r < minRating+100 && r >=0 ) r = minRating+100;
2486 if(r > maxRating) r = maxRating;
2487 if(tc < 1.) tc = 1.;
2488 if(tc > 95.) tc = 95.;
2489 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2490 y = ((double)r - minRating)/(maxRating - minRating)
2491 * (h-vMargin-squareSize/8-1) + vMargin;
2492 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2493 if(strstr(seekAdList[i], " u ")) color = 1;
2494 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2495 !strstr(seekAdList[i], "bullet") &&
2496 !strstr(seekAdList[i], "blitz") &&
2497 !strstr(seekAdList[i], "standard") ) color = 2;
2498 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2499 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2503 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2505 char buf[MSG_SIZ], *ext = "";
2506 VariantClass v = StringToVariant(type);
2507 if(strstr(type, "wild")) {
2508 ext = type + 4; // append wild number
2509 if(v == VariantFischeRandom) type = "chess960"; else
2510 if(v == VariantLoadable) type = "setup"; else
2511 type = VariantName(v);
2513 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2514 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2515 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2516 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2517 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2518 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2519 seekNrList[nrOfSeekAds] = nr;
2520 zList[nrOfSeekAds] = 0;
2521 seekAdList[nrOfSeekAds++] = StrSave(buf);
2522 if(plot) PlotSeekAd(nrOfSeekAds-1);
2529 int x = xList[i], y = yList[i], d=squareSize/4, k;
2530 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2531 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2532 // now replot every dot that overlapped
2533 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2534 int xx = xList[k], yy = yList[k];
2535 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2536 DrawSeekDot(xx, yy, colorList[k]);
2541 RemoveSeekAd(int nr)
2544 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2546 if(seekAdList[i]) free(seekAdList[i]);
2547 seekAdList[i] = seekAdList[--nrOfSeekAds];
2548 seekNrList[i] = seekNrList[nrOfSeekAds];
2549 ratingList[i] = ratingList[nrOfSeekAds];
2550 colorList[i] = colorList[nrOfSeekAds];
2551 tcList[i] = tcList[nrOfSeekAds];
2552 xList[i] = xList[nrOfSeekAds];
2553 yList[i] = yList[nrOfSeekAds];
2554 zList[i] = zList[nrOfSeekAds];
2555 seekAdList[nrOfSeekAds] = NULL;
2561 MatchSoughtLine(char *line)
2563 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2564 int nr, base, inc, u=0; char dummy;
2566 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2567 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2569 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2570 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2571 // match: compact and save the line
2572 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2582 if(!seekGraphUp) return FALSE;
2583 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2584 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2586 DrawSeekBackground(0, 0, w, h);
2587 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2588 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2589 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2590 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2592 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2595 snprintf(buf, MSG_SIZ, "%d", i);
2596 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2599 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2600 for(i=1; i<100; i+=(i<10?1:5)) {
2601 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2602 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2603 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2605 snprintf(buf, MSG_SIZ, "%d", i);
2606 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2609 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2613 int SeekGraphClick(ClickType click, int x, int y, int moving)
2615 static int lastDown = 0, displayed = 0, lastSecond;
2616 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2617 if(click == Release || moving) return FALSE;
2619 soughtPending = TRUE;
2620 SendToICS(ics_prefix);
2621 SendToICS("sought\n"); // should this be "sought all"?
2622 } else { // issue challenge based on clicked ad
2623 int dist = 10000; int i, closest = 0, second = 0;
2624 for(i=0; i<nrOfSeekAds; i++) {
2625 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2626 if(d < dist) { dist = d; closest = i; }
2627 second += (d - zList[i] < 120); // count in-range ads
2628 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2632 second = (second > 1);
2633 if(displayed != closest || second != lastSecond) {
2634 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2635 lastSecond = second; displayed = closest;
2637 if(click == Press) {
2638 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2641 } // on press 'hit', only show info
2642 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2643 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2644 SendToICS(ics_prefix);
2646 return TRUE; // let incoming board of started game pop down the graph
2647 } else if(click == Release) { // release 'miss' is ignored
2648 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2649 if(moving == 2) { // right up-click
2650 nrOfSeekAds = 0; // refresh graph
2651 soughtPending = TRUE;
2652 SendToICS(ics_prefix);
2653 SendToICS("sought\n"); // should this be "sought all"?
2656 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2657 // press miss or release hit 'pop down' seek graph
2658 seekGraphUp = FALSE;
2659 DrawPosition(TRUE, NULL);
2665 read_from_ics(isr, closure, data, count, error)
2672 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2673 #define STARTED_NONE 0
2674 #define STARTED_MOVES 1
2675 #define STARTED_BOARD 2
2676 #define STARTED_OBSERVE 3
2677 #define STARTED_HOLDINGS 4
2678 #define STARTED_CHATTER 5
2679 #define STARTED_COMMENT 6
2680 #define STARTED_MOVES_NOHIDE 7
2682 static int started = STARTED_NONE;
2683 static char parse[20000];
2684 static int parse_pos = 0;
2685 static char buf[BUF_SIZE + 1];
2686 static int firstTime = TRUE, intfSet = FALSE;
2687 static ColorClass prevColor = ColorNormal;
2688 static int savingComment = FALSE;
2689 static int cmatch = 0; // continuation sequence match
2696 int backup; /* [DM] For zippy color lines */
2698 char talker[MSG_SIZ]; // [HGM] chat
2701 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2703 if (appData.debugMode) {
2705 fprintf(debugFP, "<ICS: ");
2706 show_bytes(debugFP, data, count);
2707 fprintf(debugFP, "\n");
2711 if (appData.debugMode) { int f = forwardMostMove;
2712 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2713 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2714 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2717 /* If last read ended with a partial line that we couldn't parse,
2718 prepend it to the new read and try again. */
2719 if (leftover_len > 0) {
2720 for (i=0; i<leftover_len; i++)
2721 buf[i] = buf[leftover_start + i];
2724 /* copy new characters into the buffer */
2725 bp = buf + leftover_len;
2726 buf_len=leftover_len;
2727 for (i=0; i<count; i++)
2730 if (data[i] == '\r')
2733 // join lines split by ICS?
2734 if (!appData.noJoin)
2737 Joining just consists of finding matches against the
2738 continuation sequence, and discarding that sequence
2739 if found instead of copying it. So, until a match
2740 fails, there's nothing to do since it might be the
2741 complete sequence, and thus, something we don't want
2744 if (data[i] == cont_seq[cmatch])
2747 if (cmatch == strlen(cont_seq))
2749 cmatch = 0; // complete match. just reset the counter
2752 it's possible for the ICS to not include the space
2753 at the end of the last word, making our [correct]
2754 join operation fuse two separate words. the server
2755 does this when the space occurs at the width setting.
2757 if (!buf_len || buf[buf_len-1] != ' ')
2768 match failed, so we have to copy what matched before
2769 falling through and copying this character. In reality,
2770 this will only ever be just the newline character, but
2771 it doesn't hurt to be precise.
2773 strncpy(bp, cont_seq, cmatch);
2785 buf[buf_len] = NULLCHAR;
2786 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2791 while (i < buf_len) {
2792 /* Deal with part of the TELNET option negotiation
2793 protocol. We refuse to do anything beyond the
2794 defaults, except that we allow the WILL ECHO option,
2795 which ICS uses to turn off password echoing when we are
2796 directly connected to it. We reject this option
2797 if localLineEditing mode is on (always on in xboard)
2798 and we are talking to port 23, which might be a real
2799 telnet server that will try to keep WILL ECHO on permanently.
2801 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2802 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2803 unsigned char option;
2805 switch ((unsigned char) buf[++i]) {
2807 if (appData.debugMode)
2808 fprintf(debugFP, "\n<WILL ");
2809 switch (option = (unsigned char) buf[++i]) {
2811 if (appData.debugMode)
2812 fprintf(debugFP, "ECHO ");
2813 /* Reply only if this is a change, according
2814 to the protocol rules. */
2815 if (remoteEchoOption) break;
2816 if (appData.localLineEditing &&
2817 atoi(appData.icsPort) == TN_PORT) {
2818 TelnetRequest(TN_DONT, TN_ECHO);
2821 TelnetRequest(TN_DO, TN_ECHO);
2822 remoteEchoOption = TRUE;
2826 if (appData.debugMode)
2827 fprintf(debugFP, "%d ", option);
2828 /* Whatever this is, we don't want it. */
2829 TelnetRequest(TN_DONT, option);
2834 if (appData.debugMode)
2835 fprintf(debugFP, "\n<WONT ");
2836 switch (option = (unsigned char) buf[++i]) {
2838 if (appData.debugMode)
2839 fprintf(debugFP, "ECHO ");
2840 /* Reply only if this is a change, according
2841 to the protocol rules. */
2842 if (!remoteEchoOption) break;
2844 TelnetRequest(TN_DONT, TN_ECHO);
2845 remoteEchoOption = FALSE;
2848 if (appData.debugMode)
2849 fprintf(debugFP, "%d ", (unsigned char) option);
2850 /* Whatever this is, it must already be turned
2851 off, because we never agree to turn on
2852 anything non-default, so according to the
2853 protocol rules, we don't reply. */
2858 if (appData.debugMode)
2859 fprintf(debugFP, "\n<DO ");
2860 switch (option = (unsigned char) buf[++i]) {
2862 /* Whatever this is, we refuse to do it. */
2863 if (appData.debugMode)
2864 fprintf(debugFP, "%d ", option);
2865 TelnetRequest(TN_WONT, option);
2870 if (appData.debugMode)
2871 fprintf(debugFP, "\n<DONT ");
2872 switch (option = (unsigned char) buf[++i]) {
2874 if (appData.debugMode)
2875 fprintf(debugFP, "%d ", option);
2876 /* Whatever this is, we are already not doing
2877 it, because we never agree to do anything
2878 non-default, so according to the protocol
2879 rules, we don't reply. */
2884 if (appData.debugMode)
2885 fprintf(debugFP, "\n<IAC ");
2886 /* Doubled IAC; pass it through */
2890 if (appData.debugMode)
2891 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2892 /* Drop all other telnet commands on the floor */
2895 if (oldi > next_out)
2896 SendToPlayer(&buf[next_out], oldi - next_out);
2902 /* OK, this at least will *usually* work */
2903 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2907 if (loggedOn && !intfSet) {
2908 if (ics_type == ICS_ICC) {
2909 snprintf(str, MSG_SIZ,
2910 "/set-quietly interface %s\n/set-quietly style 12\n",
2912 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2913 strcat(str, "/set-2 51 1\n/set seek 1\n");
2914 } else if (ics_type == ICS_CHESSNET) {
2915 snprintf(str, MSG_SIZ, "/style 12\n");
2917 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2918 strcat(str, programVersion);
2919 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2920 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2921 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2923 strcat(str, "$iset nohighlight 1\n");
2925 strcat(str, "$iset lock 1\n$style 12\n");
2928 NotifyFrontendLogin();
2932 if (started == STARTED_COMMENT) {
2933 /* Accumulate characters in comment */
2934 parse[parse_pos++] = buf[i];
2935 if (buf[i] == '\n') {
2936 parse[parse_pos] = NULLCHAR;
2937 if(chattingPartner>=0) {
2939 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2940 OutputChatMessage(chattingPartner, mess);
2941 chattingPartner = -1;
2942 next_out = i+1; // [HGM] suppress printing in ICS window
2944 if(!suppressKibitz) // [HGM] kibitz
2945 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2946 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2947 int nrDigit = 0, nrAlph = 0, j;
2948 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2949 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2950 parse[parse_pos] = NULLCHAR;
2951 // try to be smart: if it does not look like search info, it should go to
2952 // ICS interaction window after all, not to engine-output window.
2953 for(j=0; j<parse_pos; j++) { // count letters and digits
2954 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2955 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2956 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2958 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2959 int depth=0; float score;
2960 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2961 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2962 pvInfoList[forwardMostMove-1].depth = depth;
2963 pvInfoList[forwardMostMove-1].score = 100*score;
2965 OutputKibitz(suppressKibitz, parse);
2968 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2969 SendToPlayer(tmp, strlen(tmp));
2971 next_out = i+1; // [HGM] suppress printing in ICS window
2973 started = STARTED_NONE;
2975 /* Don't match patterns against characters in comment */
2980 if (started == STARTED_CHATTER) {
2981 if (buf[i] != '\n') {
2982 /* Don't match patterns against characters in chatter */
2986 started = STARTED_NONE;
2987 if(suppressKibitz) next_out = i+1;
2990 /* Kludge to deal with rcmd protocol */
2991 if (firstTime && looking_at(buf, &i, "\001*")) {
2992 DisplayFatalError(&buf[1], 0, 1);
2998 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3001 if (appData.debugMode)
3002 fprintf(debugFP, "ics_type %d\n", ics_type);
3005 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3006 ics_type = ICS_FICS;
3008 if (appData.debugMode)
3009 fprintf(debugFP, "ics_type %d\n", ics_type);
3012 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3013 ics_type = ICS_CHESSNET;
3015 if (appData.debugMode)
3016 fprintf(debugFP, "ics_type %d\n", ics_type);
3021 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3022 looking_at(buf, &i, "Logging you in as \"*\"") ||
3023 looking_at(buf, &i, "will be \"*\""))) {
3024 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3028 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3030 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3031 DisplayIcsInteractionTitle(buf);
3032 have_set_title = TRUE;
3035 /* skip finger notes */
3036 if (started == STARTED_NONE &&
3037 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3038 (buf[i] == '1' && buf[i+1] == '0')) &&
3039 buf[i+2] == ':' && buf[i+3] == ' ') {
3040 started = STARTED_CHATTER;
3046 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3047 if(appData.seekGraph) {
3048 if(soughtPending && MatchSoughtLine(buf+i)) {
3049 i = strstr(buf+i, "rated") - buf;
3050 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3051 next_out = leftover_start = i;
3052 started = STARTED_CHATTER;
3053 suppressKibitz = TRUE;
3056 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3057 && looking_at(buf, &i, "* ads displayed")) {
3058 soughtPending = FALSE;
3063 if(appData.autoRefresh) {
3064 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3065 int s = (ics_type == ICS_ICC); // ICC format differs
3067 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3068 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3069 looking_at(buf, &i, "*% "); // eat prompt
3070 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3071 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3072 next_out = i; // suppress
3075 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3076 char *p = star_match[0];
3078 if(seekGraphUp) RemoveSeekAd(atoi(p));
3079 while(*p && *p++ != ' '); // next
3081 looking_at(buf, &i, "*% "); // eat prompt
3082 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3089 /* skip formula vars */
3090 if (started == STARTED_NONE &&
3091 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3092 started = STARTED_CHATTER;
3097 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3098 if (appData.autoKibitz && started == STARTED_NONE &&
3099 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3100 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3101 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3102 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3103 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3104 suppressKibitz = TRUE;
3105 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3107 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3108 && (gameMode == IcsPlayingWhite)) ||
3109 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3110 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3111 started = STARTED_CHATTER; // own kibitz we simply discard
3113 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3114 parse_pos = 0; parse[0] = NULLCHAR;
3115 savingComment = TRUE;
3116 suppressKibitz = gameMode != IcsObserving ? 2 :
3117 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3121 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3122 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3123 && atoi(star_match[0])) {
3124 // suppress the acknowledgements of our own autoKibitz
3126 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3127 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3128 SendToPlayer(star_match[0], strlen(star_match[0]));
3129 if(looking_at(buf, &i, "*% ")) // eat prompt
3130 suppressKibitz = FALSE;
3134 } // [HGM] kibitz: end of patch
3136 // [HGM] chat: intercept tells by users for which we have an open chat window
3138 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3139 looking_at(buf, &i, "* whispers:") ||
3140 looking_at(buf, &i, "* kibitzes:") ||
3141 looking_at(buf, &i, "* shouts:") ||
3142 looking_at(buf, &i, "* c-shouts:") ||
3143 looking_at(buf, &i, "--> * ") ||
3144 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3145 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3146 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3147 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3149 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3150 chattingPartner = -1;
3152 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3153 for(p=0; p<MAX_CHAT; p++) {
3154 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3155 talker[0] = '['; strcat(talker, "] ");
3156 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3157 chattingPartner = p; break;
3160 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3161 for(p=0; p<MAX_CHAT; p++) {
3162 if(!strcmp("kibitzes", chatPartner[p])) {
3163 talker[0] = '['; strcat(talker, "] ");
3164 chattingPartner = p; break;
3167 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3168 for(p=0; p<MAX_CHAT; p++) {
3169 if(!strcmp("whispers", chatPartner[p])) {
3170 talker[0] = '['; strcat(talker, "] ");
3171 chattingPartner = p; break;
3174 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3175 if(buf[i-8] == '-' && buf[i-3] == 't')
3176 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3177 if(!strcmp("c-shouts", chatPartner[p])) {
3178 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3179 chattingPartner = p; break;
3182 if(chattingPartner < 0)
3183 for(p=0; p<MAX_CHAT; p++) {
3184 if(!strcmp("shouts", chatPartner[p])) {
3185 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3186 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3187 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3188 chattingPartner = p; break;
3192 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3193 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3194 talker[0] = 0; Colorize(ColorTell, FALSE);
3195 chattingPartner = p; break;
3197 if(chattingPartner<0) i = oldi; else {
3198 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3199 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3200 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3201 started = STARTED_COMMENT;
3202 parse_pos = 0; parse[0] = NULLCHAR;
3203 savingComment = 3 + chattingPartner; // counts as TRUE
3204 suppressKibitz = TRUE;
3207 } // [HGM] chat: end of patch
3210 if (appData.zippyTalk || appData.zippyPlay) {
3211 /* [DM] Backup address for color zippy lines */
3213 if (loggedOn == TRUE)
3214 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3215 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3217 } // [DM] 'else { ' deleted
3219 /* Regular tells and says */
3220 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3221 looking_at(buf, &i, "* (your partner) tells you: ") ||
3222 looking_at(buf, &i, "* says: ") ||
3223 /* Don't color "message" or "messages" output */
3224 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3225 looking_at(buf, &i, "*. * at *:*: ") ||
3226 looking_at(buf, &i, "--* (*:*): ") ||
3227 /* Message notifications (same color as tells) */
3228 looking_at(buf, &i, "* has left a message ") ||
3229 looking_at(buf, &i, "* just sent you a message:\n") ||
3230 /* Whispers and kibitzes */
3231 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3232 looking_at(buf, &i, "* kibitzes: ") ||
3234 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3236 if (tkind == 1 && strchr(star_match[0], ':')) {
3237 /* Avoid "tells you:" spoofs in channels */
3240 if (star_match[0][0] == NULLCHAR ||
3241 strchr(star_match[0], ' ') ||
3242 (tkind == 3 && strchr(star_match[1], ' '))) {
3243 /* Reject bogus matches */
3246 if (appData.colorize) {
3247 if (oldi > next_out) {
3248 SendToPlayer(&buf[next_out], oldi - next_out);
3253 Colorize(ColorTell, FALSE);
3254 curColor = ColorTell;
3257 Colorize(ColorKibitz, FALSE);
3258 curColor = ColorKibitz;
3261 p = strrchr(star_match[1], '(');
3268 Colorize(ColorChannel1, FALSE);
3269 curColor = ColorChannel1;
3271 Colorize(ColorChannel, FALSE);
3272 curColor = ColorChannel;
3276 curColor = ColorNormal;
3280 if (started == STARTED_NONE && appData.autoComment &&
3281 (gameMode == IcsObserving ||
3282 gameMode == IcsPlayingWhite ||
3283 gameMode == IcsPlayingBlack)) {
3284 parse_pos = i - oldi;
3285 memcpy(parse, &buf[oldi], parse_pos);
3286 parse[parse_pos] = NULLCHAR;
3287 started = STARTED_COMMENT;
3288 savingComment = TRUE;
3290 started = STARTED_CHATTER;
3291 savingComment = FALSE;
3298 if (looking_at(buf, &i, "* s-shouts: ") ||
3299 looking_at(buf, &i, "* c-shouts: ")) {
3300 if (appData.colorize) {
3301 if (oldi > next_out) {
3302 SendToPlayer(&buf[next_out], oldi - next_out);
3305 Colorize(ColorSShout, FALSE);
3306 curColor = ColorSShout;
3309 started = STARTED_CHATTER;
3313 if (looking_at(buf, &i, "--->")) {
3318 if (looking_at(buf, &i, "* shouts: ") ||
3319 looking_at(buf, &i, "--> ")) {
3320 if (appData.colorize) {
3321 if (oldi > next_out) {
3322 SendToPlayer(&buf[next_out], oldi - next_out);
3325 Colorize(ColorShout, FALSE);
3326 curColor = ColorShout;
3329 started = STARTED_CHATTER;
3333 if (looking_at( buf, &i, "Challenge:")) {
3334 if (appData.colorize) {
3335 if (oldi > next_out) {
3336 SendToPlayer(&buf[next_out], oldi - next_out);
3339 Colorize(ColorChallenge, FALSE);
3340 curColor = ColorChallenge;
3346 if (looking_at(buf, &i, "* offers you") ||
3347 looking_at(buf, &i, "* offers to be") ||
3348 looking_at(buf, &i, "* would like to") ||
3349 looking_at(buf, &i, "* requests to") ||
3350 looking_at(buf, &i, "Your opponent offers") ||
3351 looking_at(buf, &i, "Your opponent requests")) {
3353 if (appData.colorize) {
3354 if (oldi > next_out) {
3355 SendToPlayer(&buf[next_out], oldi - next_out);
3358 Colorize(ColorRequest, FALSE);
3359 curColor = ColorRequest;
3364 if (looking_at(buf, &i, "* (*) seeking")) {
3365 if (appData.colorize) {
3366 if (oldi > next_out) {
3367 SendToPlayer(&buf[next_out], oldi - next_out);
3370 Colorize(ColorSeek, FALSE);
3371 curColor = ColorSeek;
3376 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3378 if (looking_at(buf, &i, "\\ ")) {
3379 if (prevColor != ColorNormal) {
3380 if (oldi > next_out) {
3381 SendToPlayer(&buf[next_out], oldi - next_out);
3384 Colorize(prevColor, TRUE);
3385 curColor = prevColor;
3387 if (savingComment) {
3388 parse_pos = i - oldi;
3389 memcpy(parse, &buf[oldi], parse_pos);
3390 parse[parse_pos] = NULLCHAR;
3391 started = STARTED_COMMENT;
3392 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3393 chattingPartner = savingComment - 3; // kludge to remember the box
3395 started = STARTED_CHATTER;
3400 if (looking_at(buf, &i, "Black Strength :") ||
3401 looking_at(buf, &i, "<<< style 10 board >>>") ||
3402 looking_at(buf, &i, "<10>") ||
3403 looking_at(buf, &i, "#@#")) {
3404 /* Wrong board style */
3406 SendToICS(ics_prefix);
3407 SendToICS("set style 12\n");
3408 SendToICS(ics_prefix);
3409 SendToICS("refresh\n");
3413 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3415 have_sent_ICS_logon = 1;
3419 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3420 (looking_at(buf, &i, "\n<12> ") ||
3421 looking_at(buf, &i, "<12> "))) {
3423 if (oldi > next_out) {
3424 SendToPlayer(&buf[next_out], oldi - next_out);
3427 started = STARTED_BOARD;
3432 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3433 looking_at(buf, &i, "<b1> ")) {
3434 if (oldi > next_out) {
3435 SendToPlayer(&buf[next_out], oldi - next_out);
3438 started = STARTED_HOLDINGS;
3443 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3445 /* Header for a move list -- first line */
3447 switch (ics_getting_history) {
3451 case BeginningOfGame:
3452 /* User typed "moves" or "oldmoves" while we
3453 were idle. Pretend we asked for these
3454 moves and soak them up so user can step
3455 through them and/or save them.
3458 gameMode = IcsObserving;
3461 ics_getting_history = H_GOT_UNREQ_HEADER;
3463 case EditGame: /*?*/
3464 case EditPosition: /*?*/
3465 /* Should above feature work in these modes too? */
3466 /* For now it doesn't */
3467 ics_getting_history = H_GOT_UNWANTED_HEADER;
3470 ics_getting_history = H_GOT_UNWANTED_HEADER;
3475 /* Is this the right one? */
3476 if (gameInfo.white && gameInfo.black &&
3477 strcmp(gameInfo.white, star_match[0]) == 0 &&
3478 strcmp(gameInfo.black, star_match[2]) == 0) {
3480 ics_getting_history = H_GOT_REQ_HEADER;
3483 case H_GOT_REQ_HEADER:
3484 case H_GOT_UNREQ_HEADER:
3485 case H_GOT_UNWANTED_HEADER:
3486 case H_GETTING_MOVES:
3487 /* Should not happen */
3488 DisplayError(_("Error gathering move list: two headers"), 0);
3489 ics_getting_history = H_FALSE;
3493 /* Save player ratings into gameInfo if needed */
3494 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3495 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3496 (gameInfo.whiteRating == -1 ||
3497 gameInfo.blackRating == -1)) {
3499 gameInfo.whiteRating = string_to_rating(star_match[1]);
3500 gameInfo.blackRating = string_to_rating(star_match[3]);
3501 if (appData.debugMode)
3502 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3503 gameInfo.whiteRating, gameInfo.blackRating);
3508 if (looking_at(buf, &i,
3509 "* * match, initial time: * minute*, increment: * second")) {
3510 /* Header for a move list -- second line */
3511 /* Initial board will follow if this is a wild game */
3512 if (gameInfo.event != NULL) free(gameInfo.event);
3513 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3514 gameInfo.event = StrSave(str);
3515 /* [HGM] we switched variant. Translate boards if needed. */
3516 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3520 if (looking_at(buf, &i, "Move ")) {
3521 /* Beginning of a move list */
3522 switch (ics_getting_history) {
3524 /* Normally should not happen */
3525 /* Maybe user hit reset while we were parsing */
3528 /* Happens if we are ignoring a move list that is not
3529 * the one we just requested. Common if the user
3530 * tries to observe two games without turning off
3533 case H_GETTING_MOVES:
3534 /* Should not happen */
3535 DisplayError(_("Error gathering move list: nested"), 0);
3536 ics_getting_history = H_FALSE;
3538 case H_GOT_REQ_HEADER:
3539 ics_getting_history = H_GETTING_MOVES;
3540 started = STARTED_MOVES;
3542 if (oldi > next_out) {
3543 SendToPlayer(&buf[next_out], oldi - next_out);
3546 case H_GOT_UNREQ_HEADER:
3547 ics_getting_history = H_GETTING_MOVES;
3548 started = STARTED_MOVES_NOHIDE;
3551 case H_GOT_UNWANTED_HEADER:
3552 ics_getting_history = H_FALSE;
3558 if (looking_at(buf, &i, "% ") ||
3559 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3560 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3561 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3562 soughtPending = FALSE;
3566 if(suppressKibitz) next_out = i;
3567 savingComment = FALSE;
3571 case STARTED_MOVES_NOHIDE:
3572 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3573 parse[parse_pos + i - oldi] = NULLCHAR;
3574 ParseGameHistory(parse);
3576 if (appData.zippyPlay && first.initDone) {
3577 FeedMovesToProgram(&first, forwardMostMove);
3578 if (gameMode == IcsPlayingWhite) {
3579 if (WhiteOnMove(forwardMostMove)) {
3580 if (first.sendTime) {
3581 if (first.useColors) {
3582 SendToProgram("black\n", &first);
3584 SendTimeRemaining(&first, TRUE);
3586 if (first.useColors) {
3587 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3589 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3590 first.maybeThinking = TRUE;
3592 if (first.usePlayother) {
3593 if (first.sendTime) {
3594 SendTimeRemaining(&first, TRUE);
3596 SendToProgram("playother\n", &first);
3602 } else if (gameMode == IcsPlayingBlack) {
3603 if (!WhiteOnMove(forwardMostMove)) {
3604 if (first.sendTime) {
3605 if (first.useColors) {
3606 SendToProgram("white\n", &first);
3608 SendTimeRemaining(&first, FALSE);
3610 if (first.useColors) {
3611 SendToProgram("black\n", &first);
3613 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3614 first.maybeThinking = TRUE;
3616 if (first.usePlayother) {
3617 if (first.sendTime) {
3618 SendTimeRemaining(&first, FALSE);
3620 SendToProgram("playother\n", &first);
3629 if (gameMode == IcsObserving && ics_gamenum == -1) {
3630 /* Moves came from oldmoves or moves command
3631 while we weren't doing anything else.
3633 currentMove = forwardMostMove;
3634 ClearHighlights();/*!!could figure this out*/
3635 flipView = appData.flipView;
3636 DrawPosition(TRUE, boards[currentMove]);
3637 DisplayBothClocks();
3638 snprintf(str, MSG_SIZ, "%s vs. %s",
3639 gameInfo.white, gameInfo.black);
3643 /* Moves were history of an active game */
3644 if (gameInfo.resultDetails != NULL) {
3645 free(gameInfo.resultDetails);
3646 gameInfo.resultDetails = NULL;
3649 HistorySet(parseList, backwardMostMove,
3650 forwardMostMove, currentMove-1);
3651 DisplayMove(currentMove - 1);
3652 if (started == STARTED_MOVES) next_out = i;
3653 started = STARTED_NONE;
3654 ics_getting_history = H_FALSE;
3657 case STARTED_OBSERVE:
3658 started = STARTED_NONE;
3659 SendToICS(ics_prefix);
3660 SendToICS("refresh\n");
3666 if(bookHit) { // [HGM] book: simulate book reply
3667 static char bookMove[MSG_SIZ]; // a bit generous?
3669 programStats.nodes = programStats.depth = programStats.time =
3670 programStats.score = programStats.got_only_move = 0;
3671 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3673 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3674 strcat(bookMove, bookHit);
3675 HandleMachineMove(bookMove, &first);
3680 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3681 started == STARTED_HOLDINGS ||
3682 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3683 /* Accumulate characters in move list or board */
3684 parse[parse_pos++] = buf[i];
3687 /* Start of game messages. Mostly we detect start of game
3688 when the first board image arrives. On some versions
3689 of the ICS, though, we need to do a "refresh" after starting
3690 to observe in order to get the current board right away. */
3691 if (looking_at(buf, &i, "Adding game * to observation list")) {
3692 started = STARTED_OBSERVE;
3696 /* Handle auto-observe */
3697 if (appData.autoObserve &&
3698 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3699 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3701 /* Choose the player that was highlighted, if any. */
3702 if (star_match[0][0] == '\033' ||
3703 star_match[1][0] != '\033') {
3704 player = star_match[0];
3706 player = star_match[2];
3708 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3709 ics_prefix, StripHighlightAndTitle(player));
3712 /* Save ratings from notify string */
3713 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3714 player1Rating = string_to_rating(star_match[1]);
3715 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3716 player2Rating = string_to_rating(star_match[3]);
3718 if (appData.debugMode)
3720 "Ratings from 'Game notification:' %s %d, %s %d\n",
3721 player1Name, player1Rating,
3722 player2Name, player2Rating);
3727 /* Deal with automatic examine mode after a game,
3728 and with IcsObserving -> IcsExamining transition */
3729 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3730 looking_at(buf, &i, "has made you an examiner of game *")) {
3732 int gamenum = atoi(star_match[0]);
3733 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3734 gamenum == ics_gamenum) {
3735 /* We were already playing or observing this game;
3736 no need to refetch history */
3737 gameMode = IcsExamining;
3739 pauseExamForwardMostMove = forwardMostMove;
3740 } else if (currentMove < forwardMostMove) {
3741 ForwardInner(forwardMostMove);
3744 /* I don't think this case really can happen */
3745 SendToICS(ics_prefix);
3746 SendToICS("refresh\n");
3751 /* Error messages */
3752 // if (ics_user_moved) {
3753 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3754 if (looking_at(buf, &i, "Illegal move") ||
3755 looking_at(buf, &i, "Not a legal move") ||
3756 looking_at(buf, &i, "Your king is in check") ||
3757 looking_at(buf, &i, "It isn't your turn") ||
3758 looking_at(buf, &i, "It is not your move")) {
3760 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3761 currentMove = forwardMostMove-1;
3762 DisplayMove(currentMove - 1); /* before DMError */
3763 DrawPosition(FALSE, boards[currentMove]);
3764 SwitchClocks(forwardMostMove-1); // [HGM] race
3765 DisplayBothClocks();
3767 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3773 if (looking_at(buf, &i, "still have time") ||
3774 looking_at(buf, &i, "not out of time") ||
3775 looking_at(buf, &i, "either player is out of time") ||
3776 looking_at(buf, &i, "has timeseal; checking")) {
3777 /* We must have called his flag a little too soon */
3778 whiteFlag = blackFlag = FALSE;
3782 if (looking_at(buf, &i, "added * seconds to") ||
3783 looking_at(buf, &i, "seconds were added to")) {
3784 /* Update the clocks */
3785 SendToICS(ics_prefix);
3786 SendToICS("refresh\n");
3790 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3791 ics_clock_paused = TRUE;
3796 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3797 ics_clock_paused = FALSE;
3802 /* Grab player ratings from the Creating: message.
3803 Note we have to check for the special case when
3804 the ICS inserts things like [white] or [black]. */
3805 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3806 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3808 0 player 1 name (not necessarily white)
3810 2 empty, white, or black (IGNORED)
3811 3 player 2 name (not necessarily black)
3814 The names/ratings are sorted out when the game
3815 actually starts (below).
3817 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3818 player1Rating = string_to_rating(star_match[1]);
3819 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3820 player2Rating = string_to_rating(star_match[4]);
3822 if (appData.debugMode)
3824 "Ratings from 'Creating:' %s %d, %s %d\n",
3825 player1Name, player1Rating,
3826 player2Name, player2Rating);
3831 /* Improved generic start/end-of-game messages */
3832 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3833 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3834 /* If tkind == 0: */
3835 /* star_match[0] is the game number */
3836 /* [1] is the white player's name */
3837 /* [2] is the black player's name */
3838 /* For end-of-game: */
3839 /* [3] is the reason for the game end */
3840 /* [4] is a PGN end game-token, preceded by " " */
3841 /* For start-of-game: */
3842 /* [3] begins with "Creating" or "Continuing" */
3843 /* [4] is " *" or empty (don't care). */
3844 int gamenum = atoi(star_match[0]);
3845 char *whitename, *blackname, *why, *endtoken;
3846 ChessMove endtype = EndOfFile;
3849 whitename = star_match[1];
3850 blackname = star_match[2];
3851 why = star_match[3];
3852 endtoken = star_match[4];
3854 whitename = star_match[1];
3855 blackname = star_match[3];
3856 why = star_match[5];
3857 endtoken = star_match[6];
3860 /* Game start messages */
3861 if (strncmp(why, "Creating ", 9) == 0 ||
3862 strncmp(why, "Continuing ", 11) == 0) {
3863 gs_gamenum = gamenum;
3864 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3865 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3867 if (appData.zippyPlay) {
3868 ZippyGameStart(whitename, blackname);
3871 partnerBoardValid = FALSE; // [HGM] bughouse
3875 /* Game end messages */
3876 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3877 ics_gamenum != gamenum) {
3880 while (endtoken[0] == ' ') endtoken++;
3881 switch (endtoken[0]) {
3884 endtype = GameUnfinished;
3887 endtype = BlackWins;
3890 if (endtoken[1] == '/')
3891 endtype = GameIsDrawn;
3893 endtype = WhiteWins;
3896 GameEnds(endtype, why, GE_ICS);
3898 if (appData.zippyPlay && first.initDone) {
3899 ZippyGameEnd(endtype, why);
3900 if (first.pr == NoProc) {
3901 /* Start the next process early so that we'll
3902 be ready for the next challenge */
3903 StartChessProgram(&first);
3905 /* Send "new" early, in case this command takes
3906 a long time to finish, so that we'll be ready
3907 for the next challenge. */
3908 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3912 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3916 if (looking_at(buf, &i, "Removing game * from observation") ||
3917 looking_at(buf, &i, "no longer observing game *") ||
3918 looking_at(buf, &i, "Game * (*) has no examiners")) {
3919 if (gameMode == IcsObserving &&
3920 atoi(star_match[0]) == ics_gamenum)
3922 /* icsEngineAnalyze */
3923 if (appData.icsEngineAnalyze) {
3930 ics_user_moved = FALSE;
3935 if (looking_at(buf, &i, "no longer examining game *")) {
3936 if (gameMode == IcsExamining &&
3937 atoi(star_match[0]) == ics_gamenum)
3941 ics_user_moved = FALSE;
3946 /* Advance leftover_start past any newlines we find,
3947 so only partial lines can get reparsed */
3948 if (looking_at(buf, &i, "\n")) {
3949 prevColor = curColor;
3950 if (curColor != ColorNormal) {
3951 if (oldi > next_out) {
3952 SendToPlayer(&buf[next_out], oldi - next_out);
3955 Colorize(ColorNormal, FALSE);
3956 curColor = ColorNormal;
3958 if (started == STARTED_BOARD) {
3959 started = STARTED_NONE;
3960 parse[parse_pos] = NULLCHAR;
3961 ParseBoard12(parse);
3964 /* Send premove here */
3965 if (appData.premove) {
3967 if (currentMove == 0 &&
3968 gameMode == IcsPlayingWhite &&
3969 appData.premoveWhite) {
3970 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3971 if (appData.debugMode)
3972 fprintf(debugFP, "Sending premove:\n");
3974 } else if (currentMove == 1 &&
3975 gameMode == IcsPlayingBlack &&
3976 appData.premoveBlack) {
3977 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3978 if (appData.debugMode)
3979 fprintf(debugFP, "Sending premove:\n");
3981 } else if (gotPremove) {
3983 ClearPremoveHighlights();
3984 if (appData.debugMode)
3985 fprintf(debugFP, "Sending premove:\n");
3986 UserMoveEvent(premoveFromX, premoveFromY,
3987 premoveToX, premoveToY,
3992 /* Usually suppress following prompt */
3993 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3994 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3995 if (looking_at(buf, &i, "*% ")) {
3996 savingComment = FALSE;
4001 } else if (started == STARTED_HOLDINGS) {
4003 char new_piece[MSG_SIZ];
4004 started = STARTED_NONE;
4005 parse[parse_pos] = NULLCHAR;
4006 if (appData.debugMode)
4007 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4008 parse, currentMove);
4009 if (sscanf(parse, " game %d", &gamenum) == 1) {
4010 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4011 if (gameInfo.variant == VariantNormal) {
4012 /* [HGM] We seem to switch variant during a game!
4013 * Presumably no holdings were displayed, so we have
4014 * to move the position two files to the right to
4015 * create room for them!
4017 VariantClass newVariant;
4018 switch(gameInfo.boardWidth) { // base guess on board width
4019 case 9: newVariant = VariantShogi; break;
4020 case 10: newVariant = VariantGreat; break;
4021 default: newVariant = VariantCrazyhouse; break;
4023 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4024 /* Get a move list just to see the header, which
4025 will tell us whether this is really bug or zh */
4026 if (ics_getting_history == H_FALSE) {
4027 ics_getting_history = H_REQUESTED;
4028 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4032 new_piece[0] = NULLCHAR;
4033 sscanf(parse, "game %d white [%s black [%s <- %s",
4034 &gamenum, white_holding, black_holding,
4036 white_holding[strlen(white_holding)-1] = NULLCHAR;
4037 black_holding[strlen(black_holding)-1] = NULLCHAR;
4038 /* [HGM] copy holdings to board holdings area */
4039 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4040 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4041 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4043 if (appData.zippyPlay && first.initDone) {
4044 ZippyHoldings(white_holding, black_holding,
4048 if (tinyLayout || smallLayout) {
4049 char wh[16], bh[16];
4050 PackHolding(wh, white_holding);
4051 PackHolding(bh, black_holding);
4052 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
4053 gameInfo.white, gameInfo.black);
4055 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
4056 gameInfo.white, white_holding,
4057 gameInfo.black, black_holding);
4059 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4060 DrawPosition(FALSE, boards[currentMove]);
4062 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4063 sscanf(parse, "game %d white [%s black [%s <- %s",
4064 &gamenum, white_holding, black_holding,
4066 white_holding[strlen(white_holding)-1] = NULLCHAR;
4067 black_holding[strlen(black_holding)-1] = NULLCHAR;
4068 /* [HGM] copy holdings to partner-board holdings area */
4069 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4070 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4071 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4072 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4073 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4076 /* Suppress following prompt */
4077 if (looking_at(buf, &i, "*% ")) {
4078 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4079 savingComment = FALSE;
4087 i++; /* skip unparsed character and loop back */
4090 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4091 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4092 // SendToPlayer(&buf[next_out], i - next_out);
4093 started != STARTED_HOLDINGS && leftover_start > next_out) {
4094 SendToPlayer(&buf[next_out], leftover_start - next_out);
4098 leftover_len = buf_len - leftover_start;
4099 /* if buffer ends with something we couldn't parse,
4100 reparse it after appending the next read */
4102 } else if (count == 0) {
4103 RemoveInputSource(isr);
4104 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4106 DisplayFatalError(_("Error reading from ICS"), error, 1);
4111 /* Board style 12 looks like this:
4113 <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
4115 * The "<12> " is stripped before it gets to this routine. The two
4116 * trailing 0's (flip state and clock ticking) are later addition, and
4117 * some chess servers may not have them, or may have only the first.
4118 * Additional trailing fields may be added in the future.
4121 #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"
4123 #define RELATION_OBSERVING_PLAYED 0
4124 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4125 #define RELATION_PLAYING_MYMOVE 1
4126 #define RELATION_PLAYING_NOTMYMOVE -1
4127 #define RELATION_EXAMINING 2
4128 #define RELATION_ISOLATED_BOARD -3
4129 #define RELATION_STARTING_POSITION -4 /* FICS only */
4132 ParseBoard12(string)
4135 GameMode newGameMode;
4136 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4137 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4138 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4139 char to_play, board_chars[200];
4140 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4141 char black[32], white[32];
4143 int prevMove = currentMove;
4146 int fromX, fromY, toX, toY;
4148 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4149 char *bookHit = NULL; // [HGM] book
4150 Boolean weird = FALSE, reqFlag = FALSE;
4152 fromX = fromY = toX = toY = -1;
4156 if (appData.debugMode)
4157 fprintf(debugFP, _("Parsing board: %s\n"), string);
4159 move_str[0] = NULLCHAR;
4160 elapsed_time[0] = NULLCHAR;
4161 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4163 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4164 if(string[i] == ' ') { ranks++; files = 0; }
4166 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4169 for(j = 0; j <i; j++) board_chars[j] = string[j];
4170 board_chars[i] = '\0';
4173 n = sscanf(string, PATTERN, &to_play, &double_push,
4174 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4175 &gamenum, white, black, &relation, &basetime, &increment,
4176 &white_stren, &black_stren, &white_time, &black_time,
4177 &moveNum, str, elapsed_time, move_str, &ics_flip,
4181 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4182 DisplayError(str, 0);
4186 /* Convert the move number to internal form */
4187 moveNum = (moveNum - 1) * 2;
4188 if (to_play == 'B') moveNum++;
4189 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4190 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4196 case RELATION_OBSERVING_PLAYED:
4197 case RELATION_OBSERVING_STATIC:
4198 if (gamenum == -1) {
4199 /* Old ICC buglet */
4200 relation = RELATION_OBSERVING_STATIC;
4202 newGameMode = IcsObserving;
4204 case RELATION_PLAYING_MYMOVE:
4205 case RELATION_PLAYING_NOTMYMOVE:
4207 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4208 IcsPlayingWhite : IcsPlayingBlack;
4210 case RELATION_EXAMINING:
4211 newGameMode = IcsExamining;
4213 case RELATION_ISOLATED_BOARD:
4215 /* Just display this board. If user was doing something else,
4216 we will forget about it until the next board comes. */
4217 newGameMode = IcsIdle;
4219 case RELATION_STARTING_POSITION:
4220 newGameMode = gameMode;
4224 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4225 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4226 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4228 for (k = 0; k < ranks; k++) {
4229 for (j = 0; j < files; j++)
4230 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4231 if(gameInfo.holdingsWidth > 1) {
4232 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4233 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4236 CopyBoard(partnerBoard, board);
4237 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4238 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4239 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4240 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4241 if(toSqr = strchr(str, '-')) {
4242 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4243 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4244 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4245 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4246 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4247 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4248 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4249 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4250 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4251 DisplayMessage(partnerStatus, "");
4252 partnerBoardValid = TRUE;
4256 /* Modify behavior for initial board display on move listing
4259 switch (ics_getting_history) {
4263 case H_GOT_REQ_HEADER:
4264 case H_GOT_UNREQ_HEADER:
4265 /* This is the initial position of the current game */
4266 gamenum = ics_gamenum;
4267 moveNum = 0; /* old ICS bug workaround */
4268 if (to_play == 'B') {
4269 startedFromSetupPosition = TRUE;
4270 blackPlaysFirst = TRUE;
4272 if (forwardMostMove == 0) forwardMostMove = 1;
4273 if (backwardMostMove == 0) backwardMostMove = 1;
4274 if (currentMove == 0) currentMove = 1;
4276 newGameMode = gameMode;
4277 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4279 case H_GOT_UNWANTED_HEADER:
4280 /* This is an initial board that we don't want */
4282 case H_GETTING_MOVES:
4283 /* Should not happen */
4284 DisplayError(_("Error gathering move list: extra board"), 0);
4285 ics_getting_history = H_FALSE;
4289 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4290 weird && (int)gameInfo.variant < (int)VariantShogi) {
4291 /* [HGM] We seem to have switched variant unexpectedly
4292 * Try to guess new variant from board size
4294 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4295 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4296 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4297 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4298 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4299 if(!weird) newVariant = VariantNormal;
4300 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4301 /* Get a move list just to see the header, which
4302 will tell us whether this is really bug or zh */
4303 if (ics_getting_history == H_FALSE) {
4304 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4305 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4310 /* Take action if this is the first board of a new game, or of a
4311 different game than is currently being displayed. */
4312 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4313 relation == RELATION_ISOLATED_BOARD) {
4315 /* Forget the old game and get the history (if any) of the new one */
4316 if (gameMode != BeginningOfGame) {
4320 if (appData.autoRaiseBoard) BoardToTop();
4322 if (gamenum == -1) {
4323 newGameMode = IcsIdle;
4324 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4325 appData.getMoveList && !reqFlag) {
4326 /* Need to get game history */
4327 ics_getting_history = H_REQUESTED;
4328 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4332 /* Initially flip the board to have black on the bottom if playing
4333 black or if the ICS flip flag is set, but let the user change
4334 it with the Flip View button. */
4335 flipView = appData.autoFlipView ?
4336 (newGameMode == IcsPlayingBlack) || ics_flip :
4339 /* Done with values from previous mode; copy in new ones */
4340 gameMode = newGameMode;
4342 ics_gamenum = gamenum;
4343 if (gamenum == gs_gamenum) {
4344 int klen = strlen(gs_kind);
4345 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4346 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4347 gameInfo.event = StrSave(str);
4349 gameInfo.event = StrSave("ICS game");
4351 gameInfo.site = StrSave(appData.icsHost);
4352 gameInfo.date = PGNDate();
4353 gameInfo.round = StrSave("-");
4354 gameInfo.white = StrSave(white);
4355 gameInfo.black = StrSave(black);
4356 timeControl = basetime * 60 * 1000;
4358 timeIncrement = increment * 1000;
4359 movesPerSession = 0;
4360 gameInfo.timeControl = TimeControlTagValue();
4361 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4362 if (appData.debugMode) {
4363 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4364 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4365 setbuf(debugFP, NULL);
4368 gameInfo.outOfBook = NULL;
4370 /* Do we have the ratings? */
4371 if (strcmp(player1Name, white) == 0 &&
4372 strcmp(player2Name, black) == 0) {
4373 if (appData.debugMode)
4374 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4375 player1Rating, player2Rating);
4376 gameInfo.whiteRating = player1Rating;
4377 gameInfo.blackRating = player2Rating;
4378 } else if (strcmp(player2Name, white) == 0 &&
4379 strcmp(player1Name, black) == 0) {
4380 if (appData.debugMode)
4381 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4382 player2Rating, player1Rating);
4383 gameInfo.whiteRating = player2Rating;
4384 gameInfo.blackRating = player1Rating;
4386 player1Name[0] = player2Name[0] = NULLCHAR;
4388 /* Silence shouts if requested */
4389 if (appData.quietPlay &&
4390 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4391 SendToICS(ics_prefix);
4392 SendToICS("set shout 0\n");
4396 /* Deal with midgame name changes */
4398 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4399 if (gameInfo.white) free(gameInfo.white);
4400 gameInfo.white = StrSave(white);
4402 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4403 if (gameInfo.black) free(gameInfo.black);
4404 gameInfo.black = StrSave(black);
4408 /* Throw away game result if anything actually changes in examine mode */
4409 if (gameMode == IcsExamining && !newGame) {
4410 gameInfo.result = GameUnfinished;
4411 if (gameInfo.resultDetails != NULL) {
4412 free(gameInfo.resultDetails);
4413 gameInfo.resultDetails = NULL;
4417 /* In pausing && IcsExamining mode, we ignore boards coming
4418 in if they are in a different variation than we are. */
4419 if (pauseExamInvalid) return;
4420 if (pausing && gameMode == IcsExamining) {
4421 if (moveNum <= pauseExamForwardMostMove) {
4422 pauseExamInvalid = TRUE;
4423 forwardMostMove = pauseExamForwardMostMove;
4428 if (appData.debugMode) {
4429 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4431 /* Parse the board */
4432 for (k = 0; k < ranks; k++) {
4433 for (j = 0; j < files; j++)
4434 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4435 if(gameInfo.holdingsWidth > 1) {
4436 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4437 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4440 CopyBoard(boards[moveNum], board);
4441 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4443 startedFromSetupPosition =
4444 !CompareBoards(board, initialPosition);
4445 if(startedFromSetupPosition)
4446 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4449 /* [HGM] Set castling rights. Take the outermost Rooks,
4450 to make it also work for FRC opening positions. Note that board12
4451 is really defective for later FRC positions, as it has no way to
4452 indicate which Rook can castle if they are on the same side of King.
4453 For the initial position we grant rights to the outermost Rooks,
4454 and remember thos rights, and we then copy them on positions
4455 later in an FRC game. This means WB might not recognize castlings with
4456 Rooks that have moved back to their original position as illegal,
4457 but in ICS mode that is not its job anyway.
4459 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4460 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4462 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4463 if(board[0][i] == WhiteRook) j = i;
4464 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4465 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4466 if(board[0][i] == WhiteRook) j = i;
4467 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4468 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4469 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4470 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4471 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4472 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4473 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4475 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4476 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4477 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4478 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4479 if(board[BOARD_HEIGHT-1][k] == bKing)
4480 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4481 if(gameInfo.variant == VariantTwoKings) {
4482 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4483 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4484 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4487 r = boards[moveNum][CASTLING][0] = initialRights[0];
4488 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4489 r = boards[moveNum][CASTLING][1] = initialRights[1];
4490 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4491 r = boards[moveNum][CASTLING][3] = initialRights[3];
4492 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4493 r = boards[moveNum][CASTLING][4] = initialRights[4];
4494 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4495 /* wildcastle kludge: always assume King has rights */
4496 r = boards[moveNum][CASTLING][2] = initialRights[2];
4497 r = boards[moveNum][CASTLING][5] = initialRights[5];
4499 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4500 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4503 if (ics_getting_history == H_GOT_REQ_HEADER ||
4504 ics_getting_history == H_GOT_UNREQ_HEADER) {
4505 /* This was an initial position from a move list, not
4506 the current position */
4510 /* Update currentMove and known move number limits */
4511 newMove = newGame || moveNum > forwardMostMove;
4514 forwardMostMove = backwardMostMove = currentMove = moveNum;
4515 if (gameMode == IcsExamining && moveNum == 0) {
4516 /* Workaround for ICS limitation: we are not told the wild
4517 type when starting to examine a game. But if we ask for
4518 the move list, the move list header will tell us */
4519 ics_getting_history = H_REQUESTED;
4520 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4523 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4524 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4526 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4527 /* [HGM] applied this also to an engine that is silently watching */
4528 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4529 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4530 gameInfo.variant == currentlyInitializedVariant) {
4531 takeback = forwardMostMove - moveNum;
4532 for (i = 0; i < takeback; i++) {
4533 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4534 SendToProgram("undo\n", &first);
4539 forwardMostMove = moveNum;
4540 if (!pausing || currentMove > forwardMostMove)
4541 currentMove = forwardMostMove;
4543 /* New part of history that is not contiguous with old part */
4544 if (pausing && gameMode == IcsExamining) {
4545 pauseExamInvalid = TRUE;
4546 forwardMostMove = pauseExamForwardMostMove;
4549 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4551 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4552 // [HGM] when we will receive the move list we now request, it will be
4553 // fed to the engine from the first move on. So if the engine is not
4554 // in the initial position now, bring it there.
4555 InitChessProgram(&first, 0);
4558 ics_getting_history = H_REQUESTED;
4559 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4562 forwardMostMove = backwardMostMove = currentMove = moveNum;
4565 /* Update the clocks */
4566 if (strchr(elapsed_time, '.')) {
4568 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4569 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4571 /* Time is in seconds */
4572 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4573 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4578 if (appData.zippyPlay && newGame &&
4579 gameMode != IcsObserving && gameMode != IcsIdle &&
4580 gameMode != IcsExamining)
4581 ZippyFirstBoard(moveNum, basetime, increment);
4584 /* Put the move on the move list, first converting
4585 to canonical algebraic form. */
4587 if (appData.debugMode) {
4588 if (appData.debugMode) { int f = forwardMostMove;
4589 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4590 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4591 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4593 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4594 fprintf(debugFP, "moveNum = %d\n", moveNum);
4595 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4596 setbuf(debugFP, NULL);
4598 if (moveNum <= backwardMostMove) {
4599 /* We don't know what the board looked like before
4601 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4602 strcat(parseList[moveNum - 1], " ");
4603 strcat(parseList[moveNum - 1], elapsed_time);
4604 moveList[moveNum - 1][0] = NULLCHAR;
4605 } else if (strcmp(move_str, "none") == 0) {
4606 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4607 /* Again, we don't know what the board looked like;
4608 this is really the start of the game. */
4609 parseList[moveNum - 1][0] = NULLCHAR;
4610 moveList[moveNum - 1][0] = NULLCHAR;
4611 backwardMostMove = moveNum;
4612 startedFromSetupPosition = TRUE;
4613 fromX = fromY = toX = toY = -1;
4615 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4616 // So we parse the long-algebraic move string in stead of the SAN move
4617 int valid; char buf[MSG_SIZ], *prom;
4619 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4620 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4621 // str looks something like "Q/a1-a2"; kill the slash
4623 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4624 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4625 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4626 strcat(buf, prom); // long move lacks promo specification!
4627 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4628 if(appData.debugMode)
4629 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4630 safeStrCpy(move_str, buf, MSG_SIZ);
4632 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4633 &fromX, &fromY, &toX, &toY, &promoChar)
4634 || ParseOneMove(buf, moveNum - 1, &moveType,
4635 &fromX, &fromY, &toX, &toY, &promoChar);
4636 // end of long SAN patch
4638 (void) CoordsToAlgebraic(boards[moveNum - 1],
4639 PosFlags(moveNum - 1),
4640 fromY, fromX, toY, toX, promoChar,
4641 parseList[moveNum-1]);
4642 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4648 if(gameInfo.variant != VariantShogi)
4649 strcat(parseList[moveNum - 1], "+");
4652 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4653 strcat(parseList[moveNum - 1], "#");
4656 strcat(parseList[moveNum - 1], " ");
4657 strcat(parseList[moveNum - 1], elapsed_time);
4658 /* currentMoveString is set as a side-effect of ParseOneMove */
4659 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4660 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4661 strcat(moveList[moveNum - 1], "\n");
4663 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4664 && gameInfo.variant != VariantGrand) // inherit info that ICS does not give from previous board
4665 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4666 ChessSquare old, new = boards[moveNum][k][j];
4667 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4668 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4669 if(old == new) continue;
4670 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4671 else if(new == WhiteWazir || new == BlackWazir) {
4672 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4673 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4674 else boards[moveNum][k][j] = old; // preserve type of Gold
4675 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4676 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4679 /* Move from ICS was illegal!? Punt. */
4680 if (appData.debugMode) {
4681 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4682 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4684 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4685 strcat(parseList[moveNum - 1], " ");
4686 strcat(parseList[moveNum - 1], elapsed_time);
4687 moveList[moveNum - 1][0] = NULLCHAR;
4688 fromX = fromY = toX = toY = -1;
4691 if (appData.debugMode) {
4692 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4693 setbuf(debugFP, NULL);
4697 /* Send move to chess program (BEFORE animating it). */
4698 if (appData.zippyPlay && !newGame && newMove &&
4699 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4701 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4702 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4703 if (moveList[moveNum - 1][0] == NULLCHAR) {
4704 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4706 DisplayError(str, 0);
4708 if (first.sendTime) {
4709 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4711 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4712 if (firstMove && !bookHit) {
4714 if (first.useColors) {
4715 SendToProgram(gameMode == IcsPlayingWhite ?
4717 "black\ngo\n", &first);
4719 SendToProgram("go\n", &first);
4721 first.maybeThinking = TRUE;
4724 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4725 if (moveList[moveNum - 1][0] == NULLCHAR) {
4726 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4727 DisplayError(str, 0);
4729 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4730 SendMoveToProgram(moveNum - 1, &first);
4737 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4738 /* If move comes from a remote source, animate it. If it
4739 isn't remote, it will have already been animated. */
4740 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4741 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4743 if (!pausing && appData.highlightLastMove) {
4744 SetHighlights(fromX, fromY, toX, toY);
4748 /* Start the clocks */
4749 whiteFlag = blackFlag = FALSE;
4750 appData.clockMode = !(basetime == 0 && increment == 0);
4752 ics_clock_paused = TRUE;
4754 } else if (ticking == 1) {
4755 ics_clock_paused = FALSE;
4757 if (gameMode == IcsIdle ||
4758 relation == RELATION_OBSERVING_STATIC ||
4759 relation == RELATION_EXAMINING ||
4761 DisplayBothClocks();
4765 /* Display opponents and material strengths */
4766 if (gameInfo.variant != VariantBughouse &&
4767 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4768 if (tinyLayout || smallLayout) {
4769 if(gameInfo.variant == VariantNormal)
4770 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4771 gameInfo.white, white_stren, gameInfo.black, black_stren,
4772 basetime, increment);
4774 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4775 gameInfo.white, white_stren, gameInfo.black, black_stren,
4776 basetime, increment, (int) gameInfo.variant);
4778 if(gameInfo.variant == VariantNormal)
4779 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4780 gameInfo.white, white_stren, gameInfo.black, black_stren,
4781 basetime, increment);
4783 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4784 gameInfo.white, white_stren, gameInfo.black, black_stren,
4785 basetime, increment, VariantName(gameInfo.variant));
4788 if (appData.debugMode) {
4789 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4794 /* Display the board */
4795 if (!pausing && !appData.noGUI) {
4797 if (appData.premove)
4799 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4800 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4801 ClearPremoveHighlights();
4803 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4804 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4805 DrawPosition(j, boards[currentMove]);
4807 DisplayMove(moveNum - 1);
4808 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4809 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4810 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4811 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4815 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4817 if(bookHit) { // [HGM] book: simulate book reply
4818 static char bookMove[MSG_SIZ]; // a bit generous?
4820 programStats.nodes = programStats.depth = programStats.time =
4821 programStats.score = programStats.got_only_move = 0;
4822 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4824 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4825 strcat(bookMove, bookHit);
4826 HandleMachineMove(bookMove, &first);
4835 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4836 ics_getting_history = H_REQUESTED;
4837 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4843 AnalysisPeriodicEvent(force)
4846 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4847 && !force) || !appData.periodicUpdates)
4850 /* Send . command to Crafty to collect stats */
4851 SendToProgram(".\n", &first);
4853 /* Don't send another until we get a response (this makes
4854 us stop sending to old Crafty's which don't understand
4855 the "." command (sending illegal cmds resets node count & time,
4856 which looks bad)) */
4857 programStats.ok_to_send = 0;
4860 void ics_update_width(new_width)
4863 ics_printf("set width %d\n", new_width);
4867 SendMoveToProgram(moveNum, cps)
4869 ChessProgramState *cps;
4873 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4874 // null move in variant where engine does not understand it (for analysis purposes)
4875 SendBoard(cps, moveNum + 1); // send position after move in stead.
4878 if (cps->useUsermove) {
4879 SendToProgram("usermove ", cps);
4883 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4884 int len = space - parseList[moveNum];
4885 memcpy(buf, parseList[moveNum], len);
4887 buf[len] = NULLCHAR;
4889 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4891 SendToProgram(buf, cps);
4893 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4894 AlphaRank(moveList[moveNum], 4);
4895 SendToProgram(moveList[moveNum], cps);
4896 AlphaRank(moveList[moveNum], 4); // and back
4898 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4899 * the engine. It would be nice to have a better way to identify castle
4901 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4902 && cps->useOOCastle) {
4903 int fromX = moveList[moveNum][0] - AAA;
4904 int fromY = moveList[moveNum][1] - ONE;
4905 int toX = moveList[moveNum][2] - AAA;
4906 int toY = moveList[moveNum][3] - ONE;
4907 if((boards[moveNum][fromY][fromX] == WhiteKing
4908 && boards[moveNum][toY][toX] == WhiteRook)
4909 || (boards[moveNum][fromY][fromX] == BlackKing
4910 && boards[moveNum][toY][toX] == BlackRook)) {
4911 if(toX > fromX) SendToProgram("O-O\n", cps);
4912 else SendToProgram("O-O-O\n", cps);
4914 else SendToProgram(moveList[moveNum], cps);
4916 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4917 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4918 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4919 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4920 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4922 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4923 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4924 SendToProgram(buf, cps);
4926 else SendToProgram(moveList[moveNum], cps);
4927 /* End of additions by Tord */
4930 /* [HGM] setting up the opening has brought engine in force mode! */
4931 /* Send 'go' if we are in a mode where machine should play. */
4932 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4933 (gameMode == TwoMachinesPlay ||
4935 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4937 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4938 SendToProgram("go\n", cps);
4939 if (appData.debugMode) {
4940 fprintf(debugFP, "(extra)\n");
4943 setboardSpoiledMachineBlack = 0;
4947 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4949 int fromX, fromY, toX, toY;
4952 char user_move[MSG_SIZ];
4956 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4957 (int)moveType, fromX, fromY, toX, toY);
4958 DisplayError(user_move + strlen("say "), 0);
4960 case WhiteKingSideCastle:
4961 case BlackKingSideCastle:
4962 case WhiteQueenSideCastleWild:
4963 case BlackQueenSideCastleWild:
4965 case WhiteHSideCastleFR:
4966 case BlackHSideCastleFR:
4968 snprintf(user_move, MSG_SIZ, "o-o\n");
4970 case WhiteQueenSideCastle:
4971 case BlackQueenSideCastle:
4972 case WhiteKingSideCastleWild:
4973 case BlackKingSideCastleWild:
4975 case WhiteASideCastleFR:
4976 case BlackASideCastleFR:
4978 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4980 case WhiteNonPromotion:
4981 case BlackNonPromotion:
4982 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4984 case WhitePromotion:
4985 case BlackPromotion:
4986 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4987 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4988 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4989 PieceToChar(WhiteFerz));
4990 else if(gameInfo.variant == VariantGreat)
4991 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4992 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4993 PieceToChar(WhiteMan));
4995 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4996 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5002 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5003 ToUpper(PieceToChar((ChessSquare) fromX)),
5004 AAA + toX, ONE + toY);
5006 case IllegalMove: /* could be a variant we don't quite understand */
5007 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5009 case WhiteCapturesEnPassant:
5010 case BlackCapturesEnPassant:
5011 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5012 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5015 SendToICS(user_move);
5016 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5017 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5022 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5023 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5024 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5025 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5026 DisplayError("You cannot do this while you are playing or observing", 0);
5029 if(gameMode != IcsExamining) { // is this ever not the case?
5030 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5032 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5033 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5034 } else { // on FICS we must first go to general examine mode
5035 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5037 if(gameInfo.variant != VariantNormal) {
5038 // try figure out wild number, as xboard names are not always valid on ICS
5039 for(i=1; i<=36; i++) {
5040 snprintf(buf, MSG_SIZ, "wild/%d", i);
5041 if(StringToVariant(buf) == gameInfo.variant) break;
5043 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5044 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5045 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5046 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5047 SendToICS(ics_prefix);
5049 if(startedFromSetupPosition || backwardMostMove != 0) {
5050 fen = PositionToFEN(backwardMostMove, NULL);
5051 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5052 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5054 } else { // FICS: everything has to set by separate bsetup commands
5055 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5056 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5058 if(!WhiteOnMove(backwardMostMove)) {
5059 SendToICS("bsetup tomove black\n");
5061 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5062 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5064 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5065 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5067 i = boards[backwardMostMove][EP_STATUS];
5068 if(i >= 0) { // set e.p.
5069 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5075 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5076 SendToICS("bsetup done\n"); // switch to normal examining.
5078 for(i = backwardMostMove; i<last; i++) {
5080 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5083 SendToICS(ics_prefix);
5084 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5088 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5093 if (rf == DROP_RANK) {
5094 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5095 sprintf(move, "%c@%c%c\n",
5096 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5098 if (promoChar == 'x' || promoChar == NULLCHAR) {
5099 sprintf(move, "%c%c%c%c\n",
5100 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5102 sprintf(move, "%c%c%c%c%c\n",
5103 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5109 ProcessICSInitScript(f)
5114 while (fgets(buf, MSG_SIZ, f)) {
5115 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5122 static int lastX, lastY, selectFlag, dragging;
5127 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5128 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5129 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5130 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5131 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5132 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5135 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5136 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5137 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5138 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5140 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5141 appData.testLegality && (promoSweep == king ||
5142 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5143 ChangeDragPiece(promoSweep);
5146 int PromoScroll(int x, int y)
5150 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5151 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5152 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5153 if(!step) return FALSE;
5154 lastX = x; lastY = y;
5155 if((promoSweep < BlackPawn) == flipView) step = -step;
5156 if(step > 0) selectFlag = 1;
5157 if(!selectFlag) Sweep(step);
5164 ChessSquare piece = boards[currentMove][toY][toX];
5167 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5168 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5169 if(!step) step = -1;
5170 } while(PieceToChar(pieceSweep) == '.');
5171 boards[currentMove][toY][toX] = pieceSweep;
5172 DrawPosition(FALSE, boards[currentMove]);
5173 boards[currentMove][toY][toX] = piece;
5175 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5177 AlphaRank(char *move, int n)
5179 // char *p = move, c; int x, y;
5181 if (appData.debugMode) {
5182 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5186 move[2]>='0' && move[2]<='9' &&
5187 move[3]>='a' && move[3]<='x' ) {
5189 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5190 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5192 if(move[0]>='0' && move[0]<='9' &&
5193 move[1]>='a' && move[1]<='x' &&
5194 move[2]>='0' && move[2]<='9' &&
5195 move[3]>='a' && move[3]<='x' ) {
5196 /* input move, Shogi -> normal */
5197 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5198 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5199 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5200 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5203 move[3]>='0' && move[3]<='9' &&
5204 move[2]>='a' && move[2]<='x' ) {
5206 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5207 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5210 move[0]>='a' && move[0]<='x' &&
5211 move[3]>='0' && move[3]<='9' &&
5212 move[2]>='a' && move[2]<='x' ) {
5213 /* output move, normal -> Shogi */
5214 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5215 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5216 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5217 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5218 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5220 if (appData.debugMode) {
5221 fprintf(debugFP, " out = '%s'\n", move);
5225 char yy_textstr[8000];
5227 /* Parser for moves from gnuchess, ICS, or user typein box */
5229 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5232 ChessMove *moveType;
5233 int *fromX, *fromY, *toX, *toY;
5236 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5238 switch (*moveType) {
5239 case WhitePromotion:
5240 case BlackPromotion:
5241 case WhiteNonPromotion:
5242 case BlackNonPromotion:
5244 case WhiteCapturesEnPassant:
5245 case BlackCapturesEnPassant:
5246 case WhiteKingSideCastle:
5247 case WhiteQueenSideCastle:
5248 case BlackKingSideCastle:
5249 case BlackQueenSideCastle:
5250 case WhiteKingSideCastleWild:
5251 case WhiteQueenSideCastleWild:
5252 case BlackKingSideCastleWild:
5253 case BlackQueenSideCastleWild:
5254 /* Code added by Tord: */
5255 case WhiteHSideCastleFR:
5256 case WhiteASideCastleFR:
5257 case BlackHSideCastleFR:
5258 case BlackASideCastleFR:
5259 /* End of code added by Tord */
5260 case IllegalMove: /* bug or odd chess variant */
5261 *fromX = currentMoveString[0] - AAA;
5262 *fromY = currentMoveString[1] - ONE;
5263 *toX = currentMoveString[2] - AAA;
5264 *toY = currentMoveString[3] - ONE;
5265 *promoChar = currentMoveString[4];
5266 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5267 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5268 if (appData.debugMode) {
5269 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5271 *fromX = *fromY = *toX = *toY = 0;
5274 if (appData.testLegality) {
5275 return (*moveType != IllegalMove);
5277 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5278 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5283 *fromX = *moveType == WhiteDrop ?
5284 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5285 (int) CharToPiece(ToLower(currentMoveString[0]));
5287 *toX = currentMoveString[2] - AAA;
5288 *toY = currentMoveString[3] - ONE;
5289 *promoChar = NULLCHAR;
5293 case ImpossibleMove:
5303 if (appData.debugMode) {
5304 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5307 *fromX = *fromY = *toX = *toY = 0;
5308 *promoChar = NULLCHAR;
5313 Boolean pushed = FALSE;
5314 char *lastParseAttempt;
5317 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5318 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5319 int fromX, fromY, toX, toY; char promoChar;
5324 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5325 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5328 endPV = forwardMostMove;
5330 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5331 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5332 lastParseAttempt = pv;
5333 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5334 if(appData.debugMode){
5335 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
5337 if(!valid && nr == 0 &&
5338 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5339 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5340 // Hande case where played move is different from leading PV move
5341 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5342 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5343 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5344 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5345 endPV += 2; // if position different, keep this
5346 moveList[endPV-1][0] = fromX + AAA;
5347 moveList[endPV-1][1] = fromY + ONE;
5348 moveList[endPV-1][2] = toX + AAA;
5349 moveList[endPV-1][3] = toY + ONE;
5350 parseList[endPV-1][0] = NULLCHAR;
5351 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5354 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5355 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5356 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5357 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5358 valid++; // allow comments in PV
5362 if(endPV+1 > framePtr) break; // no space, truncate
5365 CopyBoard(boards[endPV], boards[endPV-1]);
5366 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5367 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5368 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5369 CoordsToAlgebraic(boards[endPV - 1],
5370 PosFlags(endPV - 1),
5371 fromY, fromX, toY, toX, promoChar,
5372 parseList[endPV - 1]);
5374 if(atEnd == 2) return; // used hidden, for PV conversion
5375 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5376 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5377 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5378 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5379 DrawPosition(TRUE, boards[currentMove]);
5383 MultiPV(ChessProgramState *cps)
5384 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5386 for(i=0; i<cps->nrOptions; i++)
5387 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5393 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5395 int startPV, multi, lineStart, origIndex = index;
5396 char *p, buf2[MSG_SIZ];
5398 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5399 lastX = x; lastY = y;
5400 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5401 lineStart = startPV = index;
5402 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5403 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5405 do{ while(buf[index] && buf[index] != '\n') index++;
5406 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5408 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5409 int n = first.option[multi].value;
5410 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5411 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5412 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5413 first.option[multi].value = n;
5417 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5418 *start = startPV; *end = index-1;
5425 static char buf[10*MSG_SIZ];
5426 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5428 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5429 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5430 for(i = forwardMostMove; i<endPV; i++){
5431 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5432 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5435 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5436 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5442 LoadPV(int x, int y)
5443 { // called on right mouse click to load PV
5444 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5445 lastX = x; lastY = y;
5446 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5453 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5454 if(endPV < 0) return;
5456 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5457 Boolean saveAnimate = appData.animate;
5459 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5460 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5461 } else storedGames--; // abandon shelved tail of original game
5464 forwardMostMove = currentMove;
5465 currentMove = oldFMM;
5466 appData.animate = FALSE;
5467 ToNrEvent(forwardMostMove);
5468 appData.animate = saveAnimate;
5470 currentMove = forwardMostMove;
5471 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5472 ClearPremoveHighlights();
5473 DrawPosition(TRUE, boards[currentMove]);
5477 MovePV(int x, int y, int h)
5478 { // step through PV based on mouse coordinates (called on mouse move)
5479 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5481 // we must somehow check if right button is still down (might be released off board!)
5482 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5483 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5484 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5486 lastX = x; lastY = y;
5488 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5489 if(endPV < 0) return;
5490 if(y < margin) step = 1; else
5491 if(y > h - margin) step = -1;
5492 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5493 currentMove += step;
5494 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5495 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5496 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5497 DrawPosition(FALSE, boards[currentMove]);
5501 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5502 // All positions will have equal probability, but the current method will not provide a unique
5503 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5509 int piecesLeft[(int)BlackPawn];
5510 int seed, nrOfShuffles;
5512 void GetPositionNumber()
5513 { // sets global variable seed
5516 seed = appData.defaultFrcPosition;
5517 if(seed < 0) { // randomize based on time for negative FRC position numbers
5518 for(i=0; i<50; i++) seed += random();
5519 seed = random() ^ random() >> 8 ^ random() << 8;
5520 if(seed<0) seed = -seed;
5524 int put(Board board, int pieceType, int rank, int n, int shade)
5525 // put the piece on the (n-1)-th empty squares of the given shade
5529 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5530 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5531 board[rank][i] = (ChessSquare) pieceType;
5532 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5534 piecesLeft[pieceType]--;
5542 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5543 // calculate where the next piece goes, (any empty square), and put it there
5547 i = seed % squaresLeft[shade];
5548 nrOfShuffles *= squaresLeft[shade];
5549 seed /= squaresLeft[shade];
5550 put(board, pieceType, rank, i, shade);
5553 void AddTwoPieces(Board board, int pieceType, int rank)
5554 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5556 int i, n=squaresLeft[ANY], j=n-1, k;
5558 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5559 i = seed % k; // pick one
5562 while(i >= j) i -= j--;
5563 j = n - 1 - j; i += j;
5564 put(board, pieceType, rank, j, ANY);
5565 put(board, pieceType, rank, i, ANY);
5568 void SetUpShuffle(Board board, int number)
5572 GetPositionNumber(); nrOfShuffles = 1;
5574 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5575 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5576 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5578 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5580 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5581 p = (int) board[0][i];
5582 if(p < (int) BlackPawn) piecesLeft[p] ++;
5583 board[0][i] = EmptySquare;
5586 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5587 // shuffles restricted to allow normal castling put KRR first
5588 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5589 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5590 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5591 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5592 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5593 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5594 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5595 put(board, WhiteRook, 0, 0, ANY);
5596 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5599 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5600 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5601 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5602 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5603 while(piecesLeft[p] >= 2) {
5604 AddOnePiece(board, p, 0, LITE);
5605 AddOnePiece(board, p, 0, DARK);
5607 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5610 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5611 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5612 // but we leave King and Rooks for last, to possibly obey FRC restriction
5613 if(p == (int)WhiteRook) continue;
5614 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5615 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5618 // now everything is placed, except perhaps King (Unicorn) and Rooks
5620 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5621 // Last King gets castling rights
5622 while(piecesLeft[(int)WhiteUnicorn]) {
5623 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5624 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5627 while(piecesLeft[(int)WhiteKing]) {
5628 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5629 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5634 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5635 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5638 // Only Rooks can be left; simply place them all
5639 while(piecesLeft[(int)WhiteRook]) {
5640 i = put(board, WhiteRook, 0, 0, ANY);
5641 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5644 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5646 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5649 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5650 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5653 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5656 int SetCharTable( char *table, const char * map )
5657 /* [HGM] moved here from winboard.c because of its general usefulness */
5658 /* Basically a safe strcpy that uses the last character as King */
5660 int result = FALSE; int NrPieces;
5662 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5663 && NrPieces >= 12 && !(NrPieces&1)) {
5664 int i; /* [HGM] Accept even length from 12 to 34 */
5666 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5667 for( i=0; i<NrPieces/2-1; i++ ) {
5669 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5671 table[(int) WhiteKing] = map[NrPieces/2-1];
5672 table[(int) BlackKing] = map[NrPieces-1];
5680 void Prelude(Board board)
5681 { // [HGM] superchess: random selection of exo-pieces
5682 int i, j, k; ChessSquare p;
5683 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5685 GetPositionNumber(); // use FRC position number
5687 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5688 SetCharTable(pieceToChar, appData.pieceToCharTable);
5689 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5690 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5693 j = seed%4; seed /= 4;
5694 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5695 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5696 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5697 j = seed%3 + (seed%3 >= j); seed /= 3;
5698 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5699 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5700 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5701 j = seed%3; seed /= 3;
5702 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5703 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5704 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5705 j = seed%2 + (seed%2 >= j); seed /= 2;
5706 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5707 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5708 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5709 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5710 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5711 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5712 put(board, exoPieces[0], 0, 0, ANY);
5713 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5717 InitPosition(redraw)
5720 ChessSquare (* pieces)[BOARD_FILES];
5721 int i, j, pawnRow, overrule,
5722 oldx = gameInfo.boardWidth,
5723 oldy = gameInfo.boardHeight,
5724 oldh = gameInfo.holdingsWidth;
5727 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5729 /* [AS] Initialize pv info list [HGM] and game status */
5731 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5732 pvInfoList[i].depth = 0;
5733 boards[i][EP_STATUS] = EP_NONE;
5734 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5737 initialRulePlies = 0; /* 50-move counter start */
5739 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5740 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5744 /* [HGM] logic here is completely changed. In stead of full positions */
5745 /* the initialized data only consist of the two backranks. The switch */
5746 /* selects which one we will use, which is than copied to the Board */
5747 /* initialPosition, which for the rest is initialized by Pawns and */
5748 /* empty squares. This initial position is then copied to boards[0], */
5749 /* possibly after shuffling, so that it remains available. */
5751 gameInfo.holdingsWidth = 0; /* default board sizes */
5752 gameInfo.boardWidth = 8;
5753 gameInfo.boardHeight = 8;
5754 gameInfo.holdingsSize = 0;
5755 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5756 for(i=0; i<BOARD_FILES-2; i++)
5757 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5758 initialPosition[EP_STATUS] = EP_NONE;
5759 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5760 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5761 SetCharTable(pieceNickName, appData.pieceNickNames);
5762 else SetCharTable(pieceNickName, "............");
5765 switch (gameInfo.variant) {
5766 case VariantFischeRandom:
5767 shuffleOpenings = TRUE;
5770 case VariantShatranj:
5771 pieces = ShatranjArray;
5772 nrCastlingRights = 0;
5773 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5776 pieces = makrukArray;
5777 nrCastlingRights = 0;
5778 startedFromSetupPosition = TRUE;
5779 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5781 case VariantTwoKings:
5782 pieces = twoKingsArray;
5785 pieces = GrandArray;
5786 nrCastlingRights = 0;
5787 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5788 gameInfo.boardWidth = 10;
5789 gameInfo.boardHeight = 10;
5790 gameInfo.holdingsSize = 7;
5792 case VariantCapaRandom:
5793 shuffleOpenings = TRUE;
5794 case VariantCapablanca:
5795 pieces = CapablancaArray;
5796 gameInfo.boardWidth = 10;
5797 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5800 pieces = GothicArray;
5801 gameInfo.boardWidth = 10;
5802 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5805 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5806 gameInfo.holdingsSize = 7;
5809 pieces = JanusArray;
5810 gameInfo.boardWidth = 10;
5811 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5812 nrCastlingRights = 6;
5813 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5814 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5815 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5816 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5817 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5818 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5821 pieces = FalconArray;
5822 gameInfo.boardWidth = 10;
5823 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5825 case VariantXiangqi:
5826 pieces = XiangqiArray;
5827 gameInfo.boardWidth = 9;
5828 gameInfo.boardHeight = 10;
5829 nrCastlingRights = 0;
5830 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5833 pieces = ShogiArray;
5834 gameInfo.boardWidth = 9;
5835 gameInfo.boardHeight = 9;
5836 gameInfo.holdingsSize = 7;
5837 nrCastlingRights = 0;
5838 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5840 case VariantCourier:
5841 pieces = CourierArray;
5842 gameInfo.boardWidth = 12;
5843 nrCastlingRights = 0;
5844 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5846 case VariantKnightmate:
5847 pieces = KnightmateArray;
5848 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5850 case VariantSpartan:
5851 pieces = SpartanArray;
5852 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5855 pieces = fairyArray;
5856 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5859 pieces = GreatArray;
5860 gameInfo.boardWidth = 10;
5861 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5862 gameInfo.holdingsSize = 8;
5866 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5867 gameInfo.holdingsSize = 8;
5868 startedFromSetupPosition = TRUE;
5870 case VariantCrazyhouse:
5871 case VariantBughouse:
5873 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5874 gameInfo.holdingsSize = 5;
5876 case VariantWildCastle:
5878 /* !!?shuffle with kings guaranteed to be on d or e file */
5879 shuffleOpenings = 1;
5881 case VariantNoCastle:
5883 nrCastlingRights = 0;
5884 /* !!?unconstrained back-rank shuffle */
5885 shuffleOpenings = 1;
5890 if(appData.NrFiles >= 0) {
5891 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5892 gameInfo.boardWidth = appData.NrFiles;
5894 if(appData.NrRanks >= 0) {
5895 gameInfo.boardHeight = appData.NrRanks;
5897 if(appData.holdingsSize >= 0) {
5898 i = appData.holdingsSize;
5899 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5900 gameInfo.holdingsSize = i;
5902 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5903 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5904 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5906 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5907 if(pawnRow < 1) pawnRow = 1;
5908 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5910 /* User pieceToChar list overrules defaults */
5911 if(appData.pieceToCharTable != NULL)
5912 SetCharTable(pieceToChar, appData.pieceToCharTable);
5914 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5916 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5917 s = (ChessSquare) 0; /* account holding counts in guard band */
5918 for( i=0; i<BOARD_HEIGHT; i++ )
5919 initialPosition[i][j] = s;
5921 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5922 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5923 initialPosition[pawnRow][j] = WhitePawn;
5924 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5925 if(gameInfo.variant == VariantXiangqi) {
5927 initialPosition[pawnRow][j] =
5928 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5929 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5930 initialPosition[2][j] = WhiteCannon;
5931 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5935 if(gameInfo.variant == VariantGrand) {
5936 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5937 initialPosition[0][j] = WhiteRook;
5938 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5941 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5943 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5946 initialPosition[1][j] = WhiteBishop;
5947 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5949 initialPosition[1][j] = WhiteRook;
5950 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5953 if( nrCastlingRights == -1) {
5954 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5955 /* This sets default castling rights from none to normal corners */
5956 /* Variants with other castling rights must set them themselves above */
5957 nrCastlingRights = 6;
5959 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5960 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5961 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5962 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5963 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5964 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5967 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5968 if(gameInfo.variant == VariantGreat) { // promotion commoners
5969 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5970 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5971 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5972 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5974 if( gameInfo.variant == VariantSChess ) {
5975 initialPosition[1][0] = BlackMarshall;
5976 initialPosition[2][0] = BlackAngel;
5977 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5978 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5979 initialPosition[1][1] = initialPosition[2][1] =
5980 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5982 if (appData.debugMode) {
5983 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5985 if(shuffleOpenings) {
5986 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5987 startedFromSetupPosition = TRUE;
5989 if(startedFromPositionFile) {
5990 /* [HGM] loadPos: use PositionFile for every new game */
5991 CopyBoard(initialPosition, filePosition);
5992 for(i=0; i<nrCastlingRights; i++)
5993 initialRights[i] = filePosition[CASTLING][i];
5994 startedFromSetupPosition = TRUE;
5997 CopyBoard(boards[0], initialPosition);
5999 if(oldx != gameInfo.boardWidth ||
6000 oldy != gameInfo.boardHeight ||
6001 oldv != gameInfo.variant ||
6002 oldh != gameInfo.holdingsWidth
6004 InitDrawingSizes(-2 ,0);
6006 oldv = gameInfo.variant;
6008 DrawPosition(TRUE, boards[currentMove]);
6012 SendBoard(cps, moveNum)
6013 ChessProgramState *cps;
6016 char message[MSG_SIZ];
6018 if (cps->useSetboard) {
6019 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6020 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6021 SendToProgram(message, cps);
6027 /* Kludge to set black to move, avoiding the troublesome and now
6028 * deprecated "black" command.
6030 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6031 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6033 SendToProgram("edit\n", cps);
6034 SendToProgram("#\n", cps);
6035 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6036 bp = &boards[moveNum][i][BOARD_LEFT];
6037 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6038 if ((int) *bp < (int) BlackPawn) {
6039 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
6041 if(message[0] == '+' || message[0] == '~') {
6042 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6043 PieceToChar((ChessSquare)(DEMOTED *bp)),
6046 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6047 message[1] = BOARD_RGHT - 1 - j + '1';
6048 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6050 SendToProgram(message, cps);
6055 SendToProgram("c\n", cps);
6056 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6057 bp = &boards[moveNum][i][BOARD_LEFT];
6058 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6059 if (((int) *bp != (int) EmptySquare)
6060 && ((int) *bp >= (int) BlackPawn)) {
6061 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6063 if(message[0] == '+' || message[0] == '~') {
6064 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6065 PieceToChar((ChessSquare)(DEMOTED *bp)),
6068 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6069 message[1] = BOARD_RGHT - 1 - j + '1';
6070 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6072 SendToProgram(message, cps);
6077 SendToProgram(".\n", cps);
6079 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6083 DefaultPromoChoice(int white)
6086 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6087 result = WhiteFerz; // no choice
6088 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6089 result= WhiteKing; // in Suicide Q is the last thing we want
6090 else if(gameInfo.variant == VariantSpartan)
6091 result = white ? WhiteQueen : WhiteAngel;
6092 else result = WhiteQueen;
6093 if(!white) result = WHITE_TO_BLACK result;
6097 static int autoQueen; // [HGM] oneclick
6100 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6102 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6103 /* [HGM] add Shogi promotions */
6104 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6109 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6110 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6112 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6113 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6116 piece = boards[currentMove][fromY][fromX];
6117 if(gameInfo.variant == VariantShogi) {
6118 promotionZoneSize = BOARD_HEIGHT/3;
6119 highestPromotingPiece = (int)WhiteFerz;
6120 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6121 promotionZoneSize = 3;
6124 // Treat Lance as Pawn when it is not representing Amazon
6125 if(gameInfo.variant != VariantSuper) {
6126 if(piece == WhiteLance) piece = WhitePawn; else
6127 if(piece == BlackLance) piece = BlackPawn;
6130 // next weed out all moves that do not touch the promotion zone at all
6131 if((int)piece >= BlackPawn) {
6132 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6134 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6136 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6137 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6140 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6142 // weed out mandatory Shogi promotions
6143 if(gameInfo.variant == VariantShogi) {
6144 if(piece >= BlackPawn) {
6145 if(toY == 0 && piece == BlackPawn ||
6146 toY == 0 && piece == BlackQueen ||
6147 toY <= 1 && piece == BlackKnight) {
6152 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6153 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6154 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6161 // weed out obviously illegal Pawn moves
6162 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6163 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6164 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6165 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6166 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6167 // note we are not allowed to test for valid (non-)capture, due to premove
6170 // we either have a choice what to promote to, or (in Shogi) whether to promote
6171 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6172 *promoChoice = PieceToChar(BlackFerz); // no choice
6175 // no sense asking what we must promote to if it is going to explode...
6176 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6177 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6180 // give caller the default choice even if we will not make it
6181 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6182 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6183 if( sweepSelect && gameInfo.variant != VariantGreat
6184 && gameInfo.variant != VariantGrand
6185 && gameInfo.variant != VariantSuper) return FALSE;
6186 if(autoQueen) return FALSE; // predetermined
6188 // suppress promotion popup on illegal moves that are not premoves
6189 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6190 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6191 if(appData.testLegality && !premove) {
6192 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6193 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6194 if(moveType != WhitePromotion && moveType != BlackPromotion)
6202 InPalace(row, column)
6204 { /* [HGM] for Xiangqi */
6205 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6206 column < (BOARD_WIDTH + 4)/2 &&
6207 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6212 PieceForSquare (x, y)
6216 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6219 return boards[currentMove][y][x];
6223 OKToStartUserMove(x, y)
6226 ChessSquare from_piece;
6229 if (matchMode) return FALSE;
6230 if (gameMode == EditPosition) return TRUE;
6232 if (x >= 0 && y >= 0)
6233 from_piece = boards[currentMove][y][x];
6235 from_piece = EmptySquare;
6237 if (from_piece == EmptySquare) return FALSE;
6239 white_piece = (int)from_piece >= (int)WhitePawn &&
6240 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6244 case TwoMachinesPlay:
6252 case MachinePlaysWhite:
6253 case IcsPlayingBlack:
6254 if (appData.zippyPlay) return FALSE;
6256 DisplayMoveError(_("You are playing Black"));
6261 case MachinePlaysBlack:
6262 case IcsPlayingWhite:
6263 if (appData.zippyPlay) return FALSE;
6265 DisplayMoveError(_("You are playing White"));
6270 case PlayFromGameFile:
6271 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6273 if (!white_piece && WhiteOnMove(currentMove)) {
6274 DisplayMoveError(_("It is White's turn"));
6277 if (white_piece && !WhiteOnMove(currentMove)) {
6278 DisplayMoveError(_("It is Black's turn"));
6281 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6282 /* Editing correspondence game history */
6283 /* Could disallow this or prompt for confirmation */
6288 case BeginningOfGame:
6289 if (appData.icsActive) return FALSE;
6290 if (!appData.noChessProgram) {
6292 DisplayMoveError(_("You are playing White"));
6299 if (!white_piece && WhiteOnMove(currentMove)) {
6300 DisplayMoveError(_("It is White's turn"));
6303 if (white_piece && !WhiteOnMove(currentMove)) {
6304 DisplayMoveError(_("It is Black's turn"));
6313 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6314 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6315 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6316 && gameMode != AnalyzeFile && gameMode != Training) {
6317 DisplayMoveError(_("Displayed position is not current"));
6324 OnlyMove(int *x, int *y, Boolean captures) {
6325 DisambiguateClosure cl;
6326 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6328 case MachinePlaysBlack:
6329 case IcsPlayingWhite:
6330 case BeginningOfGame:
6331 if(!WhiteOnMove(currentMove)) return FALSE;
6333 case MachinePlaysWhite:
6334 case IcsPlayingBlack:
6335 if(WhiteOnMove(currentMove)) return FALSE;
6342 cl.pieceIn = EmptySquare;
6347 cl.promoCharIn = NULLCHAR;
6348 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6349 if( cl.kind == NormalMove ||
6350 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6351 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6352 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6359 if(cl.kind != ImpossibleMove) return FALSE;
6360 cl.pieceIn = EmptySquare;
6365 cl.promoCharIn = NULLCHAR;
6366 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6367 if( cl.kind == NormalMove ||
6368 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6369 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6370 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6375 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6381 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6382 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6383 int lastLoadGameUseList = FALSE;
6384 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6385 ChessMove lastLoadGameStart = EndOfFile;
6388 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6389 int fromX, fromY, toX, toY;
6393 ChessSquare pdown, pup;
6395 /* Check if the user is playing in turn. This is complicated because we
6396 let the user "pick up" a piece before it is his turn. So the piece he
6397 tried to pick up may have been captured by the time he puts it down!
6398 Therefore we use the color the user is supposed to be playing in this
6399 test, not the color of the piece that is currently on the starting
6400 square---except in EditGame mode, where the user is playing both
6401 sides; fortunately there the capture race can't happen. (It can
6402 now happen in IcsExamining mode, but that's just too bad. The user
6403 will get a somewhat confusing message in that case.)
6408 case TwoMachinesPlay:
6412 /* We switched into a game mode where moves are not accepted,
6413 perhaps while the mouse button was down. */
6416 case MachinePlaysWhite:
6417 /* User is moving for Black */
6418 if (WhiteOnMove(currentMove)) {
6419 DisplayMoveError(_("It is White's turn"));
6424 case MachinePlaysBlack:
6425 /* User is moving for White */
6426 if (!WhiteOnMove(currentMove)) {
6427 DisplayMoveError(_("It is Black's turn"));
6432 case PlayFromGameFile:
6433 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6436 case BeginningOfGame:
6439 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6440 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6441 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6442 /* User is moving for Black */
6443 if (WhiteOnMove(currentMove)) {
6444 DisplayMoveError(_("It is White's turn"));
6448 /* User is moving for White */
6449 if (!WhiteOnMove(currentMove)) {
6450 DisplayMoveError(_("It is Black's turn"));
6456 case IcsPlayingBlack:
6457 /* User is moving for Black */
6458 if (WhiteOnMove(currentMove)) {
6459 if (!appData.premove) {
6460 DisplayMoveError(_("It is White's turn"));
6461 } else if (toX >= 0 && toY >= 0) {
6464 premoveFromX = fromX;
6465 premoveFromY = fromY;
6466 premovePromoChar = promoChar;
6468 if (appData.debugMode)
6469 fprintf(debugFP, "Got premove: fromX %d,"
6470 "fromY %d, toX %d, toY %d\n",
6471 fromX, fromY, toX, toY);
6477 case IcsPlayingWhite:
6478 /* User is moving for White */
6479 if (!WhiteOnMove(currentMove)) {
6480 if (!appData.premove) {
6481 DisplayMoveError(_("It is Black's turn"));
6482 } else if (toX >= 0 && toY >= 0) {
6485 premoveFromX = fromX;
6486 premoveFromY = fromY;
6487 premovePromoChar = promoChar;
6489 if (appData.debugMode)
6490 fprintf(debugFP, "Got premove: fromX %d,"
6491 "fromY %d, toX %d, toY %d\n",
6492 fromX, fromY, toX, toY);
6502 /* EditPosition, empty square, or different color piece;
6503 click-click move is possible */
6504 if (toX == -2 || toY == -2) {
6505 boards[0][fromY][fromX] = EmptySquare;
6506 DrawPosition(FALSE, boards[currentMove]);
6508 } else if (toX >= 0 && toY >= 0) {
6509 boards[0][toY][toX] = boards[0][fromY][fromX];
6510 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6511 if(boards[0][fromY][0] != EmptySquare) {
6512 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6513 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6516 if(fromX == BOARD_RGHT+1) {
6517 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6518 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6519 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6522 boards[0][fromY][fromX] = EmptySquare;
6523 DrawPosition(FALSE, boards[currentMove]);
6529 if(toX < 0 || toY < 0) return;
6530 pdown = boards[currentMove][fromY][fromX];
6531 pup = boards[currentMove][toY][toX];
6533 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6534 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6535 if( pup != EmptySquare ) return;
6536 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6537 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6538 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6539 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6540 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6541 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6542 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6546 /* [HGM] always test for legality, to get promotion info */
6547 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6548 fromY, fromX, toY, toX, promoChar);
6550 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6552 /* [HGM] but possibly ignore an IllegalMove result */
6553 if (appData.testLegality) {
6554 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6555 DisplayMoveError(_("Illegal move"));
6560 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6563 /* Common tail of UserMoveEvent and DropMenuEvent */
6565 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6567 int fromX, fromY, toX, toY;
6568 /*char*/int promoChar;
6572 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6573 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6574 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6575 if(WhiteOnMove(currentMove)) {
6576 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6578 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6582 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6583 move type in caller when we know the move is a legal promotion */
6584 if(moveType == NormalMove && promoChar)
6585 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6587 /* [HGM] <popupFix> The following if has been moved here from
6588 UserMoveEvent(). Because it seemed to belong here (why not allow
6589 piece drops in training games?), and because it can only be
6590 performed after it is known to what we promote. */
6591 if (gameMode == Training) {
6592 /* compare the move played on the board to the next move in the
6593 * game. If they match, display the move and the opponent's response.
6594 * If they don't match, display an error message.
6598 CopyBoard(testBoard, boards[currentMove]);
6599 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6601 if (CompareBoards(testBoard, boards[currentMove+1])) {
6602 ForwardInner(currentMove+1);
6604 /* Autoplay the opponent's response.
6605 * if appData.animate was TRUE when Training mode was entered,
6606 * the response will be animated.
6608 saveAnimate = appData.animate;
6609 appData.animate = animateTraining;
6610 ForwardInner(currentMove+1);
6611 appData.animate = saveAnimate;
6613 /* check for the end of the game */
6614 if (currentMove >= forwardMostMove) {
6615 gameMode = PlayFromGameFile;
6617 SetTrainingModeOff();
6618 DisplayInformation(_("End of game"));
6621 DisplayError(_("Incorrect move"), 0);
6626 /* Ok, now we know that the move is good, so we can kill
6627 the previous line in Analysis Mode */
6628 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6629 && currentMove < forwardMostMove) {
6630 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6631 else forwardMostMove = currentMove;
6634 /* If we need the chess program but it's dead, restart it */
6635 ResurrectChessProgram();
6637 /* A user move restarts a paused game*/
6641 thinkOutput[0] = NULLCHAR;
6643 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6645 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6646 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6650 if (gameMode == BeginningOfGame) {
6651 if (appData.noChessProgram) {
6652 gameMode = EditGame;
6656 gameMode = MachinePlaysBlack;
6659 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6661 if (first.sendName) {
6662 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6663 SendToProgram(buf, &first);
6670 /* Relay move to ICS or chess engine */
6671 if (appData.icsActive) {
6672 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6673 gameMode == IcsExamining) {
6674 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6675 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6677 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6679 // also send plain move, in case ICS does not understand atomic claims
6680 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6684 if (first.sendTime && (gameMode == BeginningOfGame ||
6685 gameMode == MachinePlaysWhite ||
6686 gameMode == MachinePlaysBlack)) {
6687 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6689 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6690 // [HGM] book: if program might be playing, let it use book
6691 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6692 first.maybeThinking = TRUE;
6693 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6694 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6695 SendBoard(&first, currentMove+1);
6696 } else SendMoveToProgram(forwardMostMove-1, &first);
6697 if (currentMove == cmailOldMove + 1) {
6698 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6702 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6706 if(appData.testLegality)
6707 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6713 if (WhiteOnMove(currentMove)) {
6714 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6716 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6720 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6725 case MachinePlaysBlack:
6726 case MachinePlaysWhite:
6727 /* disable certain menu options while machine is thinking */
6728 SetMachineThinkingEnables();
6735 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6736 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6738 if(bookHit) { // [HGM] book: simulate book reply
6739 static char bookMove[MSG_SIZ]; // a bit generous?
6741 programStats.nodes = programStats.depth = programStats.time =
6742 programStats.score = programStats.got_only_move = 0;
6743 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6745 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6746 strcat(bookMove, bookHit);
6747 HandleMachineMove(bookMove, &first);
6753 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6760 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6761 Markers *m = (Markers *) closure;
6762 if(rf == fromY && ff == fromX)
6763 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6764 || kind == WhiteCapturesEnPassant
6765 || kind == BlackCapturesEnPassant);
6766 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6770 MarkTargetSquares(int clear)
6773 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6774 !appData.testLegality || gameMode == EditPosition) return;
6776 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6779 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6780 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6781 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6783 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6786 DrawPosition(TRUE, NULL);
6790 Explode(Board board, int fromX, int fromY, int toX, int toY)
6792 if(gameInfo.variant == VariantAtomic &&
6793 (board[toY][toX] != EmptySquare || // capture?
6794 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6795 board[fromY][fromX] == BlackPawn )
6797 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6803 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6805 int CanPromote(ChessSquare piece, int y)
6807 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6808 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6809 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6810 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6811 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6812 gameInfo.variant == VariantMakruk) return FALSE;
6813 return (piece == BlackPawn && y == 1 ||
6814 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6815 piece == BlackLance && y == 1 ||
6816 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6819 void LeftClick(ClickType clickType, int xPix, int yPix)
6822 Boolean saveAnimate;
6823 static int second = 0, promotionChoice = 0, clearFlag = 0;
6824 char promoChoice = NULLCHAR;
6827 if(appData.seekGraph && appData.icsActive && loggedOn &&
6828 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6829 SeekGraphClick(clickType, xPix, yPix, 0);
6833 if (clickType == Press) ErrorPopDown();
6835 x = EventToSquare(xPix, BOARD_WIDTH);
6836 y = EventToSquare(yPix, BOARD_HEIGHT);
6837 if (!flipView && y >= 0) {
6838 y = BOARD_HEIGHT - 1 - y;
6840 if (flipView && x >= 0) {
6841 x = BOARD_WIDTH - 1 - x;
6844 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6845 defaultPromoChoice = promoSweep;
6846 promoSweep = EmptySquare; // terminate sweep
6847 promoDefaultAltered = TRUE;
6848 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6851 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6852 if(clickType == Release) return; // ignore upclick of click-click destination
6853 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6854 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6855 if(gameInfo.holdingsWidth &&
6856 (WhiteOnMove(currentMove)
6857 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6858 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6859 // click in right holdings, for determining promotion piece
6860 ChessSquare p = boards[currentMove][y][x];
6861 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6862 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6863 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6864 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6869 DrawPosition(FALSE, boards[currentMove]);
6873 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6874 if(clickType == Press
6875 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6876 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6877 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6880 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6881 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6883 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6884 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6885 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6886 defaultPromoChoice = DefaultPromoChoice(side);
6889 autoQueen = appData.alwaysPromoteToQueen;
6893 gatingPiece = EmptySquare;
6894 if (clickType != Press) {
6895 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6896 DragPieceEnd(xPix, yPix); dragging = 0;
6897 DrawPosition(FALSE, NULL);
6901 fromX = x; fromY = y; toX = toY = -1;
6902 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6903 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6904 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6906 if (OKToStartUserMove(fromX, fromY)) {
6908 MarkTargetSquares(0);
6909 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6910 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6911 promoSweep = defaultPromoChoice;
6912 selectFlag = 0; lastX = xPix; lastY = yPix;
6913 Sweep(0); // Pawn that is going to promote: preview promotion piece
6914 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6916 if (appData.highlightDragging) {
6917 SetHighlights(fromX, fromY, -1, -1);
6919 } else fromX = fromY = -1;
6925 if (clickType == Press && gameMode != EditPosition) {
6930 // ignore off-board to clicks
6931 if(y < 0 || x < 0) return;
6933 /* Check if clicking again on the same color piece */
6934 fromP = boards[currentMove][fromY][fromX];
6935 toP = boards[currentMove][y][x];
6936 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6937 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6938 WhitePawn <= toP && toP <= WhiteKing &&
6939 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6940 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6941 (BlackPawn <= fromP && fromP <= BlackKing &&
6942 BlackPawn <= toP && toP <= BlackKing &&
6943 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6944 !(fromP == BlackKing && toP == BlackRook && frc))) {
6945 /* Clicked again on same color piece -- changed his mind */
6946 second = (x == fromX && y == fromY);
6947 promoDefaultAltered = FALSE;
6948 MarkTargetSquares(1);
6949 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6950 if (appData.highlightDragging) {
6951 SetHighlights(x, y, -1, -1);
6955 if (OKToStartUserMove(x, y)) {
6956 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6957 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6958 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6959 gatingPiece = boards[currentMove][fromY][fromX];
6960 else gatingPiece = EmptySquare;
6962 fromY = y; dragging = 1;
6963 MarkTargetSquares(0);
6964 DragPieceBegin(xPix, yPix, FALSE);
6965 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6966 promoSweep = defaultPromoChoice;
6967 selectFlag = 0; lastX = xPix; lastY = yPix;
6968 Sweep(0); // Pawn that is going to promote: preview promotion piece
6972 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6975 // ignore clicks on holdings
6976 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6979 if (clickType == Release && x == fromX && y == fromY) {
6980 DragPieceEnd(xPix, yPix); dragging = 0;
6982 // a deferred attempt to click-click move an empty square on top of a piece
6983 boards[currentMove][y][x] = EmptySquare;
6985 DrawPosition(FALSE, boards[currentMove]);
6986 fromX = fromY = -1; clearFlag = 0;
6989 if (appData.animateDragging) {
6990 /* Undo animation damage if any */
6991 DrawPosition(FALSE, NULL);
6994 /* Second up/down in same square; just abort move */
6997 gatingPiece = EmptySquare;
7000 ClearPremoveHighlights();
7002 /* First upclick in same square; start click-click mode */
7003 SetHighlights(x, y, -1, -1);
7010 /* we now have a different from- and (possibly off-board) to-square */
7011 /* Completed move */
7014 saveAnimate = appData.animate;
7015 MarkTargetSquares(1);
7016 if (clickType == Press) {
7017 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7018 // must be Edit Position mode with empty-square selected
7019 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7020 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7023 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7024 ChessSquare piece = boards[currentMove][fromY][fromX];
7025 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7026 promoSweep = defaultPromoChoice;
7027 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7028 selectFlag = 0; lastX = xPix; lastY = yPix;
7029 Sweep(0); // Pawn that is going to promote: preview promotion piece
7030 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7031 DrawPosition(FALSE, boards[currentMove]);
7034 /* Finish clickclick move */
7035 if (appData.animate || appData.highlightLastMove) {
7036 SetHighlights(fromX, fromY, toX, toY);
7041 /* Finish drag move */
7042 if (appData.highlightLastMove) {
7043 SetHighlights(fromX, fromY, toX, toY);
7047 DragPieceEnd(xPix, yPix); dragging = 0;
7048 /* Don't animate move and drag both */
7049 appData.animate = FALSE;
7052 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7053 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7054 ChessSquare piece = boards[currentMove][fromY][fromX];
7055 if(gameMode == EditPosition && piece != EmptySquare &&
7056 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7059 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7060 n = PieceToNumber(piece - (int)BlackPawn);
7061 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7062 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7063 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7065 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7066 n = PieceToNumber(piece);
7067 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7068 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7069 boards[currentMove][n][BOARD_WIDTH-2]++;
7071 boards[currentMove][fromY][fromX] = EmptySquare;
7075 DrawPosition(TRUE, boards[currentMove]);
7079 // off-board moves should not be highlighted
7080 if(x < 0 || y < 0) ClearHighlights();
7082 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7084 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7085 SetHighlights(fromX, fromY, toX, toY);
7086 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7087 // [HGM] super: promotion to captured piece selected from holdings
7088 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7089 promotionChoice = TRUE;
7090 // kludge follows to temporarily execute move on display, without promoting yet
7091 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7092 boards[currentMove][toY][toX] = p;
7093 DrawPosition(FALSE, boards[currentMove]);
7094 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7095 boards[currentMove][toY][toX] = q;
7096 DisplayMessage("Click in holdings to choose piece", "");
7101 int oldMove = currentMove;
7102 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7103 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7104 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7105 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7106 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7107 DrawPosition(TRUE, boards[currentMove]);
7110 appData.animate = saveAnimate;
7111 if (appData.animate || appData.animateDragging) {
7112 /* Undo animation damage if needed */
7113 DrawPosition(FALSE, NULL);
7117 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7118 { // front-end-free part taken out of PieceMenuPopup
7119 int whichMenu; int xSqr, ySqr;
7121 if(seekGraphUp) { // [HGM] seekgraph
7122 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7123 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7127 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7128 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7129 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7130 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7131 if(action == Press) {
7132 originalFlip = flipView;
7133 flipView = !flipView; // temporarily flip board to see game from partners perspective
7134 DrawPosition(TRUE, partnerBoard);
7135 DisplayMessage(partnerStatus, "");
7137 } else if(action == Release) {
7138 flipView = originalFlip;
7139 DrawPosition(TRUE, boards[currentMove]);
7145 xSqr = EventToSquare(x, BOARD_WIDTH);
7146 ySqr = EventToSquare(y, BOARD_HEIGHT);
7147 if (action == Release) {
7148 if(pieceSweep != EmptySquare) {
7149 EditPositionMenuEvent(pieceSweep, toX, toY);
7150 pieceSweep = EmptySquare;
7151 } else UnLoadPV(); // [HGM] pv
7153 if (action != Press) return -2; // return code to be ignored
7156 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7158 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7159 if (xSqr < 0 || ySqr < 0) return -1;
7160 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7161 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7162 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7163 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7167 if(!appData.icsEngineAnalyze) return -1;
7168 case IcsPlayingWhite:
7169 case IcsPlayingBlack:
7170 if(!appData.zippyPlay) goto noZip;
7173 case MachinePlaysWhite:
7174 case MachinePlaysBlack:
7175 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7176 if (!appData.dropMenu) {
7178 return 2; // flag front-end to grab mouse events
7180 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7181 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7184 if (xSqr < 0 || ySqr < 0) return -1;
7185 if (!appData.dropMenu || appData.testLegality &&
7186 gameInfo.variant != VariantBughouse &&
7187 gameInfo.variant != VariantCrazyhouse) return -1;
7188 whichMenu = 1; // drop menu
7194 if (((*fromX = xSqr) < 0) ||
7195 ((*fromY = ySqr) < 0)) {
7196 *fromX = *fromY = -1;
7200 *fromX = BOARD_WIDTH - 1 - *fromX;
7202 *fromY = BOARD_HEIGHT - 1 - *fromY;
7207 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7209 // char * hint = lastHint;
7210 FrontEndProgramStats stats;
7212 stats.which = cps == &first ? 0 : 1;
7213 stats.depth = cpstats->depth;
7214 stats.nodes = cpstats->nodes;
7215 stats.score = cpstats->score;
7216 stats.time = cpstats->time;
7217 stats.pv = cpstats->movelist;
7218 stats.hint = lastHint;
7219 stats.an_move_index = 0;
7220 stats.an_move_count = 0;
7222 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7223 stats.hint = cpstats->move_name;
7224 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7225 stats.an_move_count = cpstats->nr_moves;
7228 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
7230 SetProgramStats( &stats );
7234 ClearEngineOutputPane(int which)
7236 static FrontEndProgramStats dummyStats;
7237 dummyStats.which = which;
7238 dummyStats.pv = "#";
7239 SetProgramStats( &dummyStats );
7242 #define MAXPLAYERS 500
7245 TourneyStandings(int display)
7247 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7248 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7249 char result, *p, *names[MAXPLAYERS];
7251 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7252 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7253 names[0] = p = strdup(appData.participants);
7254 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7256 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7258 while(result = appData.results[nr]) {
7259 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7260 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7261 wScore = bScore = 0;
7263 case '+': wScore = 2; break;
7264 case '-': bScore = 2; break;
7265 case '=': wScore = bScore = 1; break;
7267 case '*': return strdup("busy"); // tourney not finished
7275 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7276 for(w=0; w<nPlayers; w++) {
7278 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7279 ranking[w] = b; points[w] = bScore; score[b] = -2;
7281 p = malloc(nPlayers*34+1);
7282 for(w=0; w<nPlayers && w<display; w++)
7283 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7289 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7290 { // count all piece types
7292 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7293 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7294 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7297 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7298 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7299 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7300 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7301 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7302 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7307 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7309 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7310 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7312 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7313 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7314 if(myPawns == 2 && nMine == 3) // KPP
7315 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7316 if(myPawns == 1 && nMine == 2) // KP
7317 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7318 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7319 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7320 if(myPawns) return FALSE;
7321 if(pCnt[WhiteRook+side])
7322 return pCnt[BlackRook-side] ||
7323 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7324 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7325 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7326 if(pCnt[WhiteCannon+side]) {
7327 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7328 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7330 if(pCnt[WhiteKnight+side])
7331 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7336 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7338 VariantClass v = gameInfo.variant;
7340 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7341 if(v == VariantShatranj) return TRUE; // always winnable through baring
7342 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7343 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7345 if(v == VariantXiangqi) {
7346 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7348 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7349 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7350 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7351 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7352 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7353 if(stale) // we have at least one last-rank P plus perhaps C
7354 return majors // KPKX
7355 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7357 return pCnt[WhiteFerz+side] // KCAK
7358 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7359 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7360 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7362 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7363 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7365 if(nMine == 1) return FALSE; // bare King
7366 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
7367 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7368 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7369 // by now we have King + 1 piece (or multiple Bishops on the same color)
7370 if(pCnt[WhiteKnight+side])
7371 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7372 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7373 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7375 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7376 if(pCnt[WhiteAlfil+side])
7377 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7378 if(pCnt[WhiteWazir+side])
7379 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7386 CompareWithRights(Board b1, Board b2)
7389 if(!CompareBoards(b1, b2)) return FALSE;
7390 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7391 /* compare castling rights */
7392 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7393 rights++; /* King lost rights, while rook still had them */
7394 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7395 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7396 rights++; /* but at least one rook lost them */
7398 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7400 if( b1[CASTLING][5] != NoRights ) {
7401 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7408 Adjudicate(ChessProgramState *cps)
7409 { // [HGM] some adjudications useful with buggy engines
7410 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7411 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7412 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7413 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7414 int k, count = 0; static int bare = 1;
7415 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7416 Boolean canAdjudicate = !appData.icsActive;
7418 // most tests only when we understand the game, i.e. legality-checking on
7419 if( appData.testLegality )
7420 { /* [HGM] Some more adjudications for obstinate engines */
7421 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7422 static int moveCount = 6;
7424 char *reason = NULL;
7426 /* Count what is on board. */
7427 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7429 /* Some material-based adjudications that have to be made before stalemate test */
7430 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7431 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7432 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7433 if(canAdjudicate && appData.checkMates) {
7435 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7436 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7437 "Xboard adjudication: King destroyed", GE_XBOARD );
7442 /* Bare King in Shatranj (loses) or Losers (wins) */
7443 if( nrW == 1 || nrB == 1) {
7444 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7445 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7446 if(canAdjudicate && appData.checkMates) {
7448 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7449 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7450 "Xboard adjudication: Bare king", GE_XBOARD );
7454 if( gameInfo.variant == VariantShatranj && --bare < 0)
7456 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7457 if(canAdjudicate && appData.checkMates) {
7458 /* but only adjudicate if adjudication enabled */
7460 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7461 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7462 "Xboard adjudication: Bare king", GE_XBOARD );
7469 // don't wait for engine to announce game end if we can judge ourselves
7470 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7472 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7473 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7474 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7475 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7478 reason = "Xboard adjudication: 3rd check";
7479 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7489 reason = "Xboard adjudication: Stalemate";
7490 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7491 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7492 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7493 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7494 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7495 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7496 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7497 EP_CHECKMATE : EP_WINS);
7498 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7499 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7503 reason = "Xboard adjudication: Checkmate";
7504 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7508 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7510 result = GameIsDrawn; break;
7512 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7514 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7518 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7520 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7521 GameEnds( result, reason, GE_XBOARD );
7525 /* Next absolutely insufficient mating material. */
7526 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7527 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7528 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7530 /* always flag draws, for judging claims */
7531 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7533 if(canAdjudicate && appData.materialDraws) {
7534 /* but only adjudicate them if adjudication enabled */
7535 if(engineOpponent) {
7536 SendToProgram("force\n", engineOpponent); // suppress reply
7537 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7539 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7544 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7545 if(gameInfo.variant == VariantXiangqi ?
7546 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7548 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7549 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7550 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7551 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7553 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7554 { /* if the first 3 moves do not show a tactical win, declare draw */
7555 if(engineOpponent) {
7556 SendToProgram("force\n", engineOpponent); // suppress reply
7557 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7559 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7562 } else moveCount = 6;
7564 if (appData.debugMode) { int i;
7565 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7566 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7567 appData.drawRepeats);
7568 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7569 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7573 // Repetition draws and 50-move rule can be applied independently of legality testing
7575 /* Check for rep-draws */
7577 for(k = forwardMostMove-2;
7578 k>=backwardMostMove && k>=forwardMostMove-100 &&
7579 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7580 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7583 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7584 /* compare castling rights */
7585 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7586 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7587 rights++; /* King lost rights, while rook still had them */
7588 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7589 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7590 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7591 rights++; /* but at least one rook lost them */
7593 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7594 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7596 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7597 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7598 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7601 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7602 && appData.drawRepeats > 1) {
7603 /* adjudicate after user-specified nr of repeats */
7604 int result = GameIsDrawn;
7605 char *details = "XBoard adjudication: repetition draw";
7606 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7607 // [HGM] xiangqi: check for forbidden perpetuals
7608 int m, ourPerpetual = 1, hisPerpetual = 1;
7609 for(m=forwardMostMove; m>k; m-=2) {
7610 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7611 ourPerpetual = 0; // the current mover did not always check
7612 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7613 hisPerpetual = 0; // the opponent did not always check
7615 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7616 ourPerpetual, hisPerpetual);
7617 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7618 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7619 details = "Xboard adjudication: perpetual checking";
7621 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7622 break; // (or we would have caught him before). Abort repetition-checking loop.
7624 // Now check for perpetual chases
7625 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7626 hisPerpetual = PerpetualChase(k, forwardMostMove);
7627 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7628 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7629 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7630 details = "Xboard adjudication: perpetual chasing";
7632 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7633 break; // Abort repetition-checking loop.
7635 // if neither of us is checking or chasing all the time, or both are, it is draw
7637 if(engineOpponent) {
7638 SendToProgram("force\n", engineOpponent); // suppress reply
7639 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7641 GameEnds( result, details, GE_XBOARD );
7644 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7645 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7649 /* Now we test for 50-move draws. Determine ply count */
7650 count = forwardMostMove;
7651 /* look for last irreversble move */
7652 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7654 /* if we hit starting position, add initial plies */
7655 if( count == backwardMostMove )
7656 count -= initialRulePlies;
7657 count = forwardMostMove - count;
7658 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7659 // adjust reversible move counter for checks in Xiangqi
7660 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7661 if(i < backwardMostMove) i = backwardMostMove;
7662 while(i <= forwardMostMove) {
7663 lastCheck = inCheck; // check evasion does not count
7664 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7665 if(inCheck || lastCheck) count--; // check does not count
7670 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7671 /* this is used to judge if draw claims are legal */
7672 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7673 if(engineOpponent) {
7674 SendToProgram("force\n", engineOpponent); // suppress reply
7675 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7677 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7681 /* if draw offer is pending, treat it as a draw claim
7682 * when draw condition present, to allow engines a way to
7683 * claim draws before making their move to avoid a race
7684 * condition occurring after their move
7686 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7688 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7689 p = "Draw claim: 50-move rule";
7690 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7691 p = "Draw claim: 3-fold repetition";
7692 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7693 p = "Draw claim: insufficient mating material";
7694 if( p != NULL && canAdjudicate) {
7695 if(engineOpponent) {
7696 SendToProgram("force\n", engineOpponent); // suppress reply
7697 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7699 GameEnds( GameIsDrawn, p, GE_XBOARD );
7704 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7705 if(engineOpponent) {
7706 SendToProgram("force\n", engineOpponent); // suppress reply
7707 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7709 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7715 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7716 { // [HGM] book: this routine intercepts moves to simulate book replies
7717 char *bookHit = NULL;
7719 //first determine if the incoming move brings opponent into his book
7720 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7721 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7722 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7723 if(bookHit != NULL && !cps->bookSuspend) {
7724 // make sure opponent is not going to reply after receiving move to book position
7725 SendToProgram("force\n", cps);
7726 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7728 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7729 // now arrange restart after book miss
7731 // after a book hit we never send 'go', and the code after the call to this routine
7732 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7733 char buf[MSG_SIZ], *move = bookHit;
7735 int fromX, fromY, toX, toY;
7739 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7740 &fromX, &fromY, &toX, &toY, &promoChar)) {
7741 (void) CoordsToAlgebraic(boards[forwardMostMove],
7742 PosFlags(forwardMostMove),
7743 fromY, fromX, toY, toX, promoChar, move);
7745 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7749 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7750 SendToProgram(buf, cps);
7751 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7752 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7753 SendToProgram("go\n", cps);
7754 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7755 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7756 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7757 SendToProgram("go\n", cps);
7758 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7760 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7764 ChessProgramState *savedState;
7765 void DeferredBookMove(void)
7767 if(savedState->lastPing != savedState->lastPong)
7768 ScheduleDelayedEvent(DeferredBookMove, 10);
7770 HandleMachineMove(savedMessage, savedState);
7773 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7776 HandleMachineMove(message, cps)
7778 ChessProgramState *cps;
7780 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7781 char realname[MSG_SIZ];
7782 int fromX, fromY, toX, toY;
7789 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7790 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7791 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7792 DisplayError(_("Invalid pairing from pairing engine"), 0);
7795 pairingReceived = 1;
7797 return; // Skim the pairing messages here.
7802 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7804 * Kludge to ignore BEL characters
7806 while (*message == '\007') message++;
7809 * [HGM] engine debug message: ignore lines starting with '#' character
7811 if(cps->debug && *message == '#') return;
7814 * Look for book output
7816 if (cps == &first && bookRequested) {
7817 if (message[0] == '\t' || message[0] == ' ') {
7818 /* Part of the book output is here; append it */
7819 strcat(bookOutput, message);
7820 strcat(bookOutput, " \n");
7822 } else if (bookOutput[0] != NULLCHAR) {
7823 /* All of book output has arrived; display it */
7824 char *p = bookOutput;
7825 while (*p != NULLCHAR) {
7826 if (*p == '\t') *p = ' ';
7829 DisplayInformation(bookOutput);
7830 bookRequested = FALSE;
7831 /* Fall through to parse the current output */
7836 * Look for machine move.
7838 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7839 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7841 /* This method is only useful on engines that support ping */
7842 if (cps->lastPing != cps->lastPong) {
7843 if (gameMode == BeginningOfGame) {
7844 /* Extra move from before last new; ignore */
7845 if (appData.debugMode) {
7846 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7849 if (appData.debugMode) {
7850 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7851 cps->which, gameMode);
7854 SendToProgram("undo\n", cps);
7860 case BeginningOfGame:
7861 /* Extra move from before last reset; ignore */
7862 if (appData.debugMode) {
7863 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7870 /* Extra move after we tried to stop. The mode test is
7871 not a reliable way of detecting this problem, but it's
7872 the best we can do on engines that don't support ping.
7874 if (appData.debugMode) {
7875 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7876 cps->which, gameMode);
7878 SendToProgram("undo\n", cps);
7881 case MachinePlaysWhite:
7882 case IcsPlayingWhite:
7883 machineWhite = TRUE;
7886 case MachinePlaysBlack:
7887 case IcsPlayingBlack:
7888 machineWhite = FALSE;
7891 case TwoMachinesPlay:
7892 machineWhite = (cps->twoMachinesColor[0] == 'w');
7895 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7896 if (appData.debugMode) {
7898 "Ignoring move out of turn by %s, gameMode %d"
7899 ", forwardMost %d\n",
7900 cps->which, gameMode, forwardMostMove);
7905 if (appData.debugMode) { int f = forwardMostMove;
7906 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7907 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7908 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7910 if(cps->alphaRank) AlphaRank(machineMove, 4);
7911 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7912 &fromX, &fromY, &toX, &toY, &promoChar)) {
7913 /* Machine move could not be parsed; ignore it. */
7914 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7915 machineMove, _(cps->which));
7916 DisplayError(buf1, 0);
7917 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7918 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7919 if (gameMode == TwoMachinesPlay) {
7920 GameEnds(machineWhite ? BlackWins : WhiteWins,
7926 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7927 /* So we have to redo legality test with true e.p. status here, */
7928 /* to make sure an illegal e.p. capture does not slip through, */
7929 /* to cause a forfeit on a justified illegal-move complaint */
7930 /* of the opponent. */
7931 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7933 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7934 fromY, fromX, toY, toX, promoChar);
7935 if (appData.debugMode) {
7937 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7938 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7939 fprintf(debugFP, "castling rights\n");
7941 if(moveType == IllegalMove) {
7942 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7943 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7944 GameEnds(machineWhite ? BlackWins : WhiteWins,
7947 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7948 /* [HGM] Kludge to handle engines that send FRC-style castling
7949 when they shouldn't (like TSCP-Gothic) */
7951 case WhiteASideCastleFR:
7952 case BlackASideCastleFR:
7954 currentMoveString[2]++;
7956 case WhiteHSideCastleFR:
7957 case BlackHSideCastleFR:
7959 currentMoveString[2]--;
7961 default: ; // nothing to do, but suppresses warning of pedantic compilers
7964 hintRequested = FALSE;
7965 lastHint[0] = NULLCHAR;
7966 bookRequested = FALSE;
7967 /* Program may be pondering now */
7968 cps->maybeThinking = TRUE;
7969 if (cps->sendTime == 2) cps->sendTime = 1;
7970 if (cps->offeredDraw) cps->offeredDraw--;
7972 /* [AS] Save move info*/
7973 pvInfoList[ forwardMostMove ].score = programStats.score;
7974 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7975 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7977 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7979 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7980 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7983 while( count < adjudicateLossPlies ) {
7984 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7987 score = -score; /* Flip score for winning side */
7990 if( score > adjudicateLossThreshold ) {
7997 if( count >= adjudicateLossPlies ) {
7998 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8000 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8001 "Xboard adjudication",
8008 if(Adjudicate(cps)) {
8009 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8010 return; // [HGM] adjudicate: for all automatic game ends
8014 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8016 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8017 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8019 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8021 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8023 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8024 char buf[3*MSG_SIZ];
8026 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8027 programStats.score / 100.,
8029 programStats.time / 100.,
8030 (unsigned int)programStats.nodes,
8031 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8032 programStats.movelist);
8034 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8039 /* [AS] Clear stats for next move */
8040 ClearProgramStats();
8041 thinkOutput[0] = NULLCHAR;
8042 hiddenThinkOutputState = 0;
8045 if (gameMode == TwoMachinesPlay) {
8046 /* [HGM] relaying draw offers moved to after reception of move */
8047 /* and interpreting offer as claim if it brings draw condition */
8048 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8049 SendToProgram("draw\n", cps->other);
8051 if (cps->other->sendTime) {
8052 SendTimeRemaining(cps->other,
8053 cps->other->twoMachinesColor[0] == 'w');
8055 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8056 if (firstMove && !bookHit) {
8058 if (cps->other->useColors) {
8059 SendToProgram(cps->other->twoMachinesColor, cps->other);
8061 SendToProgram("go\n", cps->other);
8063 cps->other->maybeThinking = TRUE;
8066 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8068 if (!pausing && appData.ringBellAfterMoves) {
8073 * Reenable menu items that were disabled while
8074 * machine was thinking
8076 if (gameMode != TwoMachinesPlay)
8077 SetUserThinkingEnables();
8079 // [HGM] book: after book hit opponent has received move and is now in force mode
8080 // force the book reply into it, and then fake that it outputted this move by jumping
8081 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8083 static char bookMove[MSG_SIZ]; // a bit generous?
8085 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8086 strcat(bookMove, bookHit);
8089 programStats.nodes = programStats.depth = programStats.time =
8090 programStats.score = programStats.got_only_move = 0;
8091 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8093 if(cps->lastPing != cps->lastPong) {
8094 savedMessage = message; // args for deferred call
8096 ScheduleDelayedEvent(DeferredBookMove, 10);
8105 /* Set special modes for chess engines. Later something general
8106 * could be added here; for now there is just one kludge feature,
8107 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8108 * when "xboard" is given as an interactive command.
8110 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8111 cps->useSigint = FALSE;
8112 cps->useSigterm = FALSE;
8114 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8115 ParseFeatures(message+8, cps);
8116 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8119 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8120 int dummy, s=6; char buf[MSG_SIZ];
8121 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
8122 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8123 ParseFEN(boards[0], &dummy, message+s);
8124 DrawPosition(TRUE, boards[0]);
8125 startedFromSetupPosition = TRUE;
8128 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8129 * want this, I was asked to put it in, and obliged.
8131 if (!strncmp(message, "setboard ", 9)) {
8132 Board initial_position;
8134 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8136 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8137 DisplayError(_("Bad FEN received from engine"), 0);
8141 CopyBoard(boards[0], initial_position);
8142 initialRulePlies = FENrulePlies;
8143 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8144 else gameMode = MachinePlaysBlack;
8145 DrawPosition(FALSE, boards[currentMove]);
8151 * Look for communication commands
8153 if (!strncmp(message, "telluser ", 9)) {
8154 if(message[9] == '\\' && message[10] == '\\')
8155 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8157 DisplayNote(message + 9);
8160 if (!strncmp(message, "tellusererror ", 14)) {
8162 if(message[14] == '\\' && message[15] == '\\')
8163 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8165 DisplayError(message + 14, 0);
8168 if (!strncmp(message, "tellopponent ", 13)) {
8169 if (appData.icsActive) {
8171 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8175 DisplayNote(message + 13);
8179 if (!strncmp(message, "tellothers ", 11)) {
8180 if (appData.icsActive) {
8182 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8188 if (!strncmp(message, "tellall ", 8)) {
8189 if (appData.icsActive) {
8191 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8195 DisplayNote(message + 8);
8199 if (strncmp(message, "warning", 7) == 0) {
8200 /* Undocumented feature, use tellusererror in new code */
8201 DisplayError(message, 0);
8204 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8205 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8206 strcat(realname, " query");
8207 AskQuestion(realname, buf2, buf1, cps->pr);
8210 /* Commands from the engine directly to ICS. We don't allow these to be
8211 * sent until we are logged on. Crafty kibitzes have been known to
8212 * interfere with the login process.
8215 if (!strncmp(message, "tellics ", 8)) {
8216 SendToICS(message + 8);
8220 if (!strncmp(message, "tellicsnoalias ", 15)) {
8221 SendToICS(ics_prefix);
8222 SendToICS(message + 15);
8226 /* The following are for backward compatibility only */
8227 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8228 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8229 SendToICS(ics_prefix);
8235 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8239 * If the move is illegal, cancel it and redraw the board.
8240 * Also deal with other error cases. Matching is rather loose
8241 * here to accommodate engines written before the spec.
8243 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8244 strncmp(message, "Error", 5) == 0) {
8245 if (StrStr(message, "name") ||
8246 StrStr(message, "rating") || StrStr(message, "?") ||
8247 StrStr(message, "result") || StrStr(message, "board") ||
8248 StrStr(message, "bk") || StrStr(message, "computer") ||
8249 StrStr(message, "variant") || StrStr(message, "hint") ||
8250 StrStr(message, "random") || StrStr(message, "depth") ||
8251 StrStr(message, "accepted")) {
8254 if (StrStr(message, "protover")) {
8255 /* Program is responding to input, so it's apparently done
8256 initializing, and this error message indicates it is
8257 protocol version 1. So we don't need to wait any longer
8258 for it to initialize and send feature commands. */
8259 FeatureDone(cps, 1);
8260 cps->protocolVersion = 1;
8263 cps->maybeThinking = FALSE;
8265 if (StrStr(message, "draw")) {
8266 /* Program doesn't have "draw" command */
8267 cps->sendDrawOffers = 0;
8270 if (cps->sendTime != 1 &&
8271 (StrStr(message, "time") || StrStr(message, "otim"))) {
8272 /* Program apparently doesn't have "time" or "otim" command */
8276 if (StrStr(message, "analyze")) {
8277 cps->analysisSupport = FALSE;
8278 cps->analyzing = FALSE;
8279 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8280 EditGameEvent(); // [HGM] try to preserve loaded game
8281 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8282 DisplayError(buf2, 0);
8285 if (StrStr(message, "(no matching move)st")) {
8286 /* Special kludge for GNU Chess 4 only */
8287 cps->stKludge = TRUE;
8288 SendTimeControl(cps, movesPerSession, timeControl,
8289 timeIncrement, appData.searchDepth,
8293 if (StrStr(message, "(no matching move)sd")) {
8294 /* Special kludge for GNU Chess 4 only */
8295 cps->sdKludge = TRUE;
8296 SendTimeControl(cps, movesPerSession, timeControl,
8297 timeIncrement, appData.searchDepth,
8301 if (!StrStr(message, "llegal")) {
8304 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8305 gameMode == IcsIdle) return;
8306 if (forwardMostMove <= backwardMostMove) return;
8307 if (pausing) PauseEvent();
8308 if(appData.forceIllegal) {
8309 // [HGM] illegal: machine refused move; force position after move into it
8310 SendToProgram("force\n", cps);
8311 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8312 // we have a real problem now, as SendBoard will use the a2a3 kludge
8313 // when black is to move, while there might be nothing on a2 or black
8314 // might already have the move. So send the board as if white has the move.
8315 // But first we must change the stm of the engine, as it refused the last move
8316 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8317 if(WhiteOnMove(forwardMostMove)) {
8318 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8319 SendBoard(cps, forwardMostMove); // kludgeless board
8321 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8322 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8323 SendBoard(cps, forwardMostMove+1); // kludgeless board
8325 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8326 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8327 gameMode == TwoMachinesPlay)
8328 SendToProgram("go\n", cps);
8331 if (gameMode == PlayFromGameFile) {
8332 /* Stop reading this game file */
8333 gameMode = EditGame;
8336 /* [HGM] illegal-move claim should forfeit game when Xboard */
8337 /* only passes fully legal moves */
8338 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8339 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8340 "False illegal-move claim", GE_XBOARD );
8341 return; // do not take back move we tested as valid
8343 currentMove = forwardMostMove-1;
8344 DisplayMove(currentMove-1); /* before DisplayMoveError */
8345 SwitchClocks(forwardMostMove-1); // [HGM] race
8346 DisplayBothClocks();
8347 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8348 parseList[currentMove], _(cps->which));
8349 DisplayMoveError(buf1);
8350 DrawPosition(FALSE, boards[currentMove]);
8353 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8354 /* Program has a broken "time" command that
8355 outputs a string not ending in newline.
8361 * If chess program startup fails, exit with an error message.
8362 * Attempts to recover here are futile.
8364 if ((StrStr(message, "unknown host") != NULL)
8365 || (StrStr(message, "No remote directory") != NULL)
8366 || (StrStr(message, "not found") != NULL)
8367 || (StrStr(message, "No such file") != NULL)
8368 || (StrStr(message, "can't alloc") != NULL)
8369 || (StrStr(message, "Permission denied") != NULL)) {
8371 cps->maybeThinking = FALSE;
8372 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8373 _(cps->which), cps->program, cps->host, message);
8374 RemoveInputSource(cps->isr);
8375 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8376 if(cps == &first) appData.noChessProgram = TRUE;
8377 DisplayError(buf1, 0);
8383 * Look for hint output
8385 if (sscanf(message, "Hint: %s", buf1) == 1) {
8386 if (cps == &first && hintRequested) {
8387 hintRequested = FALSE;
8388 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8389 &fromX, &fromY, &toX, &toY, &promoChar)) {
8390 (void) CoordsToAlgebraic(boards[forwardMostMove],
8391 PosFlags(forwardMostMove),
8392 fromY, fromX, toY, toX, promoChar, buf1);
8393 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8394 DisplayInformation(buf2);
8396 /* Hint move could not be parsed!? */
8397 snprintf(buf2, sizeof(buf2),
8398 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8399 buf1, _(cps->which));
8400 DisplayError(buf2, 0);
8403 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8409 * Ignore other messages if game is not in progress
8411 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8412 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8415 * look for win, lose, draw, or draw offer
8417 if (strncmp(message, "1-0", 3) == 0) {
8418 char *p, *q, *r = "";
8419 p = strchr(message, '{');
8427 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8429 } else if (strncmp(message, "0-1", 3) == 0) {
8430 char *p, *q, *r = "";
8431 p = strchr(message, '{');
8439 /* Kludge for Arasan 4.1 bug */
8440 if (strcmp(r, "Black resigns") == 0) {
8441 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8444 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8446 } else if (strncmp(message, "1/2", 3) == 0) {
8447 char *p, *q, *r = "";
8448 p = strchr(message, '{');
8457 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8460 } else if (strncmp(message, "White resign", 12) == 0) {
8461 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8463 } else if (strncmp(message, "Black resign", 12) == 0) {
8464 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8466 } else if (strncmp(message, "White matches", 13) == 0 ||
8467 strncmp(message, "Black matches", 13) == 0 ) {
8468 /* [HGM] ignore GNUShogi noises */
8470 } else if (strncmp(message, "White", 5) == 0 &&
8471 message[5] != '(' &&
8472 StrStr(message, "Black") == NULL) {
8473 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8475 } else if (strncmp(message, "Black", 5) == 0 &&
8476 message[5] != '(') {
8477 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8479 } else if (strcmp(message, "resign") == 0 ||
8480 strcmp(message, "computer resigns") == 0) {
8482 case MachinePlaysBlack:
8483 case IcsPlayingBlack:
8484 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8486 case MachinePlaysWhite:
8487 case IcsPlayingWhite:
8488 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8490 case TwoMachinesPlay:
8491 if (cps->twoMachinesColor[0] == 'w')
8492 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8494 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8501 } else if (strncmp(message, "opponent mates", 14) == 0) {
8503 case MachinePlaysBlack:
8504 case IcsPlayingBlack:
8505 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8507 case MachinePlaysWhite:
8508 case IcsPlayingWhite:
8509 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8511 case TwoMachinesPlay:
8512 if (cps->twoMachinesColor[0] == 'w')
8513 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8515 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8522 } else if (strncmp(message, "computer mates", 14) == 0) {
8524 case MachinePlaysBlack:
8525 case IcsPlayingBlack:
8526 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8528 case MachinePlaysWhite:
8529 case IcsPlayingWhite:
8530 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8532 case TwoMachinesPlay:
8533 if (cps->twoMachinesColor[0] == 'w')
8534 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8536 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8543 } else if (strncmp(message, "checkmate", 9) == 0) {
8544 if (WhiteOnMove(forwardMostMove)) {
8545 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8547 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8550 } else if (strstr(message, "Draw") != NULL ||
8551 strstr(message, "game is a draw") != NULL) {
8552 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8554 } else if (strstr(message, "offer") != NULL &&
8555 strstr(message, "draw") != NULL) {
8557 if (appData.zippyPlay && first.initDone) {
8558 /* Relay offer to ICS */
8559 SendToICS(ics_prefix);
8560 SendToICS("draw\n");
8563 cps->offeredDraw = 2; /* valid until this engine moves twice */
8564 if (gameMode == TwoMachinesPlay) {
8565 if (cps->other->offeredDraw) {
8566 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8567 /* [HGM] in two-machine mode we delay relaying draw offer */
8568 /* until after we also have move, to see if it is really claim */
8570 } else if (gameMode == MachinePlaysWhite ||
8571 gameMode == MachinePlaysBlack) {
8572 if (userOfferedDraw) {
8573 DisplayInformation(_("Machine accepts your draw offer"));
8574 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8576 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8583 * Look for thinking output
8585 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8586 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8588 int plylev, mvleft, mvtot, curscore, time;
8589 char mvname[MOVE_LEN];
8593 int prefixHint = FALSE;
8594 mvname[0] = NULLCHAR;
8597 case MachinePlaysBlack:
8598 case IcsPlayingBlack:
8599 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8601 case MachinePlaysWhite:
8602 case IcsPlayingWhite:
8603 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8608 case IcsObserving: /* [DM] icsEngineAnalyze */
8609 if (!appData.icsEngineAnalyze) ignore = TRUE;
8611 case TwoMachinesPlay:
8612 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8622 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8624 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8625 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8627 if (plyext != ' ' && plyext != '\t') {
8631 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8632 if( cps->scoreIsAbsolute &&
8633 ( gameMode == MachinePlaysBlack ||
8634 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8635 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8636 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8637 !WhiteOnMove(currentMove)
8640 curscore = -curscore;
8643 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8645 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8648 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8649 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8650 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8651 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8652 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8653 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8655 } else DisplayError("failed writing PV", 0);
8658 tempStats.depth = plylev;
8659 tempStats.nodes = nodes;
8660 tempStats.time = time;
8661 tempStats.score = curscore;
8662 tempStats.got_only_move = 0;
8664 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8667 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8668 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8669 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8670 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8671 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8672 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8673 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8674 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8677 /* Buffer overflow protection */
8678 if (pv[0] != NULLCHAR) {
8679 if (strlen(pv) >= sizeof(tempStats.movelist)
8680 && appData.debugMode) {
8682 "PV is too long; using the first %u bytes.\n",
8683 (unsigned) sizeof(tempStats.movelist) - 1);
8686 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8688 sprintf(tempStats.movelist, " no PV\n");
8691 if (tempStats.seen_stat) {
8692 tempStats.ok_to_send = 1;
8695 if (strchr(tempStats.movelist, '(') != NULL) {
8696 tempStats.line_is_book = 1;
8697 tempStats.nr_moves = 0;
8698 tempStats.moves_left = 0;
8700 tempStats.line_is_book = 0;
8703 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8704 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8706 SendProgramStatsToFrontend( cps, &tempStats );
8709 [AS] Protect the thinkOutput buffer from overflow... this
8710 is only useful if buf1 hasn't overflowed first!
8712 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8714 (gameMode == TwoMachinesPlay ?
8715 ToUpper(cps->twoMachinesColor[0]) : ' '),
8716 ((double) curscore) / 100.0,
8717 prefixHint ? lastHint : "",
8718 prefixHint ? " " : "" );
8720 if( buf1[0] != NULLCHAR ) {
8721 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8723 if( strlen(pv) > max_len ) {
8724 if( appData.debugMode) {
8725 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8727 pv[max_len+1] = '\0';
8730 strcat( thinkOutput, pv);
8733 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8734 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8735 DisplayMove(currentMove - 1);
8739 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8740 /* crafty (9.25+) says "(only move) <move>"
8741 * if there is only 1 legal move
8743 sscanf(p, "(only move) %s", buf1);
8744 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8745 sprintf(programStats.movelist, "%s (only move)", buf1);
8746 programStats.depth = 1;
8747 programStats.nr_moves = 1;
8748 programStats.moves_left = 1;
8749 programStats.nodes = 1;
8750 programStats.time = 1;
8751 programStats.got_only_move = 1;
8753 /* Not really, but we also use this member to
8754 mean "line isn't going to change" (Crafty
8755 isn't searching, so stats won't change) */
8756 programStats.line_is_book = 1;
8758 SendProgramStatsToFrontend( cps, &programStats );
8760 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8761 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8762 DisplayMove(currentMove - 1);
8765 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8766 &time, &nodes, &plylev, &mvleft,
8767 &mvtot, mvname) >= 5) {
8768 /* The stat01: line is from Crafty (9.29+) in response
8769 to the "." command */
8770 programStats.seen_stat = 1;
8771 cps->maybeThinking = TRUE;
8773 if (programStats.got_only_move || !appData.periodicUpdates)
8776 programStats.depth = plylev;
8777 programStats.time = time;
8778 programStats.nodes = nodes;
8779 programStats.moves_left = mvleft;
8780 programStats.nr_moves = mvtot;
8781 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8782 programStats.ok_to_send = 1;
8783 programStats.movelist[0] = '\0';
8785 SendProgramStatsToFrontend( cps, &programStats );
8789 } else if (strncmp(message,"++",2) == 0) {
8790 /* Crafty 9.29+ outputs this */
8791 programStats.got_fail = 2;
8794 } else if (strncmp(message,"--",2) == 0) {
8795 /* Crafty 9.29+ outputs this */
8796 programStats.got_fail = 1;
8799 } else if (thinkOutput[0] != NULLCHAR &&
8800 strncmp(message, " ", 4) == 0) {
8801 unsigned message_len;
8804 while (*p && *p == ' ') p++;
8806 message_len = strlen( p );
8808 /* [AS] Avoid buffer overflow */
8809 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8810 strcat(thinkOutput, " ");
8811 strcat(thinkOutput, p);
8814 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8815 strcat(programStats.movelist, " ");
8816 strcat(programStats.movelist, p);
8819 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8820 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8821 DisplayMove(currentMove - 1);
8829 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8830 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8832 ChessProgramStats cpstats;
8834 if (plyext != ' ' && plyext != '\t') {
8838 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8839 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8840 curscore = -curscore;
8843 cpstats.depth = plylev;
8844 cpstats.nodes = nodes;
8845 cpstats.time = time;
8846 cpstats.score = curscore;
8847 cpstats.got_only_move = 0;
8848 cpstats.movelist[0] = '\0';
8850 if (buf1[0] != NULLCHAR) {
8851 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8854 cpstats.ok_to_send = 0;
8855 cpstats.line_is_book = 0;
8856 cpstats.nr_moves = 0;
8857 cpstats.moves_left = 0;
8859 SendProgramStatsToFrontend( cps, &cpstats );
8866 /* Parse a game score from the character string "game", and
8867 record it as the history of the current game. The game
8868 score is NOT assumed to start from the standard position.
8869 The display is not updated in any way.
8872 ParseGameHistory(game)
8876 int fromX, fromY, toX, toY, boardIndex;
8881 if (appData.debugMode)
8882 fprintf(debugFP, "Parsing game history: %s\n", game);
8884 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8885 gameInfo.site = StrSave(appData.icsHost);
8886 gameInfo.date = PGNDate();
8887 gameInfo.round = StrSave("-");
8889 /* Parse out names of players */
8890 while (*game == ' ') game++;
8892 while (*game != ' ') *p++ = *game++;
8894 gameInfo.white = StrSave(buf);
8895 while (*game == ' ') game++;
8897 while (*game != ' ' && *game != '\n') *p++ = *game++;
8899 gameInfo.black = StrSave(buf);
8902 boardIndex = blackPlaysFirst ? 1 : 0;
8905 yyboardindex = boardIndex;
8906 moveType = (ChessMove) Myylex();
8908 case IllegalMove: /* maybe suicide chess, etc. */
8909 if (appData.debugMode) {
8910 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8911 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8912 setbuf(debugFP, NULL);
8914 case WhitePromotion:
8915 case BlackPromotion:
8916 case WhiteNonPromotion:
8917 case BlackNonPromotion:
8919 case WhiteCapturesEnPassant:
8920 case BlackCapturesEnPassant:
8921 case WhiteKingSideCastle:
8922 case WhiteQueenSideCastle:
8923 case BlackKingSideCastle:
8924 case BlackQueenSideCastle:
8925 case WhiteKingSideCastleWild:
8926 case WhiteQueenSideCastleWild:
8927 case BlackKingSideCastleWild:
8928 case BlackQueenSideCastleWild:
8930 case WhiteHSideCastleFR:
8931 case WhiteASideCastleFR:
8932 case BlackHSideCastleFR:
8933 case BlackASideCastleFR:
8935 fromX = currentMoveString[0] - AAA;
8936 fromY = currentMoveString[1] - ONE;
8937 toX = currentMoveString[2] - AAA;
8938 toY = currentMoveString[3] - ONE;
8939 promoChar = currentMoveString[4];
8943 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8944 fromX = moveType == WhiteDrop ?
8945 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8946 (int) CharToPiece(ToLower(currentMoveString[0]));
8948 toX = currentMoveString[2] - AAA;
8949 toY = currentMoveString[3] - ONE;
8950 promoChar = NULLCHAR;
8954 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8955 if (appData.debugMode) {
8956 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8957 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8958 setbuf(debugFP, NULL);
8960 DisplayError(buf, 0);
8962 case ImpossibleMove:
8964 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8965 if (appData.debugMode) {
8966 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8967 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8968 setbuf(debugFP, NULL);
8970 DisplayError(buf, 0);
8973 if (boardIndex < backwardMostMove) {
8974 /* Oops, gap. How did that happen? */
8975 DisplayError(_("Gap in move list"), 0);
8978 backwardMostMove = blackPlaysFirst ? 1 : 0;
8979 if (boardIndex > forwardMostMove) {
8980 forwardMostMove = boardIndex;
8984 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8985 strcat(parseList[boardIndex-1], " ");
8986 strcat(parseList[boardIndex-1], yy_text);
8998 case GameUnfinished:
8999 if (gameMode == IcsExamining) {
9000 if (boardIndex < backwardMostMove) {
9001 /* Oops, gap. How did that happen? */
9004 backwardMostMove = blackPlaysFirst ? 1 : 0;
9007 gameInfo.result = moveType;
9008 p = strchr(yy_text, '{');
9009 if (p == NULL) p = strchr(yy_text, '(');
9012 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9014 q = strchr(p, *p == '{' ? '}' : ')');
9015 if (q != NULL) *q = NULLCHAR;
9018 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9019 gameInfo.resultDetails = StrSave(p);
9022 if (boardIndex >= forwardMostMove &&
9023 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9024 backwardMostMove = blackPlaysFirst ? 1 : 0;
9027 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9028 fromY, fromX, toY, toX, promoChar,
9029 parseList[boardIndex]);
9030 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9031 /* currentMoveString is set as a side-effect of yylex */
9032 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9033 strcat(moveList[boardIndex], "\n");
9035 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9036 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9042 if(gameInfo.variant != VariantShogi)
9043 strcat(parseList[boardIndex - 1], "+");
9047 strcat(parseList[boardIndex - 1], "#");
9054 /* Apply a move to the given board */
9056 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
9057 int fromX, fromY, toX, toY;
9061 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9062 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9064 /* [HGM] compute & store e.p. status and castling rights for new position */
9065 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9067 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9068 oldEP = (signed char)board[EP_STATUS];
9069 board[EP_STATUS] = EP_NONE;
9071 if (fromY == DROP_RANK) {
9073 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9074 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9077 piece = board[toY][toX] = (ChessSquare) fromX;
9081 if( board[toY][toX] != EmptySquare )
9082 board[EP_STATUS] = EP_CAPTURE;
9084 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9085 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9086 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9088 if( board[fromY][fromX] == WhitePawn ) {
9089 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9090 board[EP_STATUS] = EP_PAWN_MOVE;
9092 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9093 gameInfo.variant != VariantBerolina || toX < fromX)
9094 board[EP_STATUS] = toX | berolina;
9095 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9096 gameInfo.variant != VariantBerolina || toX > fromX)
9097 board[EP_STATUS] = toX;
9100 if( board[fromY][fromX] == BlackPawn ) {
9101 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9102 board[EP_STATUS] = EP_PAWN_MOVE;
9103 if( toY-fromY== -2) {
9104 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9105 gameInfo.variant != VariantBerolina || toX < fromX)
9106 board[EP_STATUS] = toX | berolina;
9107 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9108 gameInfo.variant != VariantBerolina || toX > fromX)
9109 board[EP_STATUS] = toX;
9113 for(i=0; i<nrCastlingRights; i++) {
9114 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9115 board[CASTLING][i] == toX && castlingRank[i] == toY
9116 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9119 if (fromX == toX && fromY == toY) return;
9121 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9122 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9123 if(gameInfo.variant == VariantKnightmate)
9124 king += (int) WhiteUnicorn - (int) WhiteKing;
9126 /* Code added by Tord: */
9127 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9128 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9129 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9130 board[fromY][fromX] = EmptySquare;
9131 board[toY][toX] = EmptySquare;
9132 if((toX > fromX) != (piece == WhiteRook)) {
9133 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9135 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9137 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9138 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9139 board[fromY][fromX] = EmptySquare;
9140 board[toY][toX] = EmptySquare;
9141 if((toX > fromX) != (piece == BlackRook)) {
9142 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9144 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9146 /* End of code added by Tord */
9148 } else if (board[fromY][fromX] == king
9149 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9150 && toY == fromY && toX > fromX+1) {
9151 board[fromY][fromX] = EmptySquare;
9152 board[toY][toX] = king;
9153 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9154 board[fromY][BOARD_RGHT-1] = EmptySquare;
9155 } else if (board[fromY][fromX] == king
9156 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9157 && toY == fromY && toX < fromX-1) {
9158 board[fromY][fromX] = EmptySquare;
9159 board[toY][toX] = king;
9160 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9161 board[fromY][BOARD_LEFT] = EmptySquare;
9162 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9163 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9164 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9166 /* white pawn promotion */
9167 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9168 if(gameInfo.variant==VariantBughouse ||
9169 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9170 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9171 board[fromY][fromX] = EmptySquare;
9172 } else if ((fromY >= BOARD_HEIGHT>>1)
9174 && gameInfo.variant != VariantXiangqi
9175 && gameInfo.variant != VariantBerolina
9176 && (board[fromY][fromX] == WhitePawn)
9177 && (board[toY][toX] == EmptySquare)) {
9178 board[fromY][fromX] = EmptySquare;
9179 board[toY][toX] = WhitePawn;
9180 captured = board[toY - 1][toX];
9181 board[toY - 1][toX] = EmptySquare;
9182 } else if ((fromY == BOARD_HEIGHT-4)
9184 && gameInfo.variant == VariantBerolina
9185 && (board[fromY][fromX] == WhitePawn)
9186 && (board[toY][toX] == EmptySquare)) {
9187 board[fromY][fromX] = EmptySquare;
9188 board[toY][toX] = WhitePawn;
9189 if(oldEP & EP_BEROLIN_A) {
9190 captured = board[fromY][fromX-1];
9191 board[fromY][fromX-1] = EmptySquare;
9192 }else{ captured = board[fromY][fromX+1];
9193 board[fromY][fromX+1] = EmptySquare;
9195 } else if (board[fromY][fromX] == king
9196 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9197 && toY == fromY && toX > fromX+1) {
9198 board[fromY][fromX] = EmptySquare;
9199 board[toY][toX] = king;
9200 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9201 board[fromY][BOARD_RGHT-1] = EmptySquare;
9202 } else if (board[fromY][fromX] == king
9203 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9204 && toY == fromY && toX < fromX-1) {
9205 board[fromY][fromX] = EmptySquare;
9206 board[toY][toX] = king;
9207 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9208 board[fromY][BOARD_LEFT] = EmptySquare;
9209 } else if (fromY == 7 && fromX == 3
9210 && board[fromY][fromX] == BlackKing
9211 && toY == 7 && toX == 5) {
9212 board[fromY][fromX] = EmptySquare;
9213 board[toY][toX] = BlackKing;
9214 board[fromY][7] = EmptySquare;
9215 board[toY][4] = BlackRook;
9216 } else if (fromY == 7 && fromX == 3
9217 && board[fromY][fromX] == BlackKing
9218 && toY == 7 && toX == 1) {
9219 board[fromY][fromX] = EmptySquare;
9220 board[toY][toX] = BlackKing;
9221 board[fromY][0] = EmptySquare;
9222 board[toY][2] = BlackRook;
9223 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9224 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9225 && toY < promoRank && promoChar
9227 /* black pawn promotion */
9228 board[toY][toX] = CharToPiece(ToLower(promoChar));
9229 if(gameInfo.variant==VariantBughouse ||
9230 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9231 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9232 board[fromY][fromX] = EmptySquare;
9233 } else if ((fromY < BOARD_HEIGHT>>1)
9235 && gameInfo.variant != VariantXiangqi
9236 && gameInfo.variant != VariantBerolina
9237 && (board[fromY][fromX] == BlackPawn)
9238 && (board[toY][toX] == EmptySquare)) {
9239 board[fromY][fromX] = EmptySquare;
9240 board[toY][toX] = BlackPawn;
9241 captured = board[toY + 1][toX];
9242 board[toY + 1][toX] = EmptySquare;
9243 } else if ((fromY == 3)
9245 && gameInfo.variant == VariantBerolina
9246 && (board[fromY][fromX] == BlackPawn)
9247 && (board[toY][toX] == EmptySquare)) {
9248 board[fromY][fromX] = EmptySquare;
9249 board[toY][toX] = BlackPawn;
9250 if(oldEP & EP_BEROLIN_A) {
9251 captured = board[fromY][fromX-1];
9252 board[fromY][fromX-1] = EmptySquare;
9253 }else{ captured = board[fromY][fromX+1];
9254 board[fromY][fromX+1] = EmptySquare;
9257 board[toY][toX] = board[fromY][fromX];
9258 board[fromY][fromX] = EmptySquare;
9262 if (gameInfo.holdingsWidth != 0) {
9264 /* !!A lot more code needs to be written to support holdings */
9265 /* [HGM] OK, so I have written it. Holdings are stored in the */
9266 /* penultimate board files, so they are automaticlly stored */
9267 /* in the game history. */
9268 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9269 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9270 /* Delete from holdings, by decreasing count */
9271 /* and erasing image if necessary */
9272 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9273 if(p < (int) BlackPawn) { /* white drop */
9274 p -= (int)WhitePawn;
9275 p = PieceToNumber((ChessSquare)p);
9276 if(p >= gameInfo.holdingsSize) p = 0;
9277 if(--board[p][BOARD_WIDTH-2] <= 0)
9278 board[p][BOARD_WIDTH-1] = EmptySquare;
9279 if((int)board[p][BOARD_WIDTH-2] < 0)
9280 board[p][BOARD_WIDTH-2] = 0;
9281 } else { /* black drop */
9282 p -= (int)BlackPawn;
9283 p = PieceToNumber((ChessSquare)p);
9284 if(p >= gameInfo.holdingsSize) p = 0;
9285 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9286 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9287 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9288 board[BOARD_HEIGHT-1-p][1] = 0;
9291 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9292 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9293 /* [HGM] holdings: Add to holdings, if holdings exist */
9294 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9295 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9296 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9299 if (p >= (int) BlackPawn) {
9300 p -= (int)BlackPawn;
9301 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9302 /* in Shogi restore piece to its original first */
9303 captured = (ChessSquare) (DEMOTED captured);
9306 p = PieceToNumber((ChessSquare)p);
9307 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9308 board[p][BOARD_WIDTH-2]++;
9309 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9311 p -= (int)WhitePawn;
9312 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9313 captured = (ChessSquare) (DEMOTED captured);
9316 p = PieceToNumber((ChessSquare)p);
9317 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9318 board[BOARD_HEIGHT-1-p][1]++;
9319 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9322 } else if (gameInfo.variant == VariantAtomic) {
9323 if (captured != EmptySquare) {
9325 for (y = toY-1; y <= toY+1; y++) {
9326 for (x = toX-1; x <= toX+1; x++) {
9327 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9328 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9329 board[y][x] = EmptySquare;
9333 board[toY][toX] = EmptySquare;
9336 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9337 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9339 if(promoChar == '+') {
9340 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9341 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9342 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9343 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9345 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9346 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9347 // [HGM] superchess: take promotion piece out of holdings
9348 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9349 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9350 if(!--board[k][BOARD_WIDTH-2])
9351 board[k][BOARD_WIDTH-1] = EmptySquare;
9353 if(!--board[BOARD_HEIGHT-1-k][1])
9354 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9360 /* Updates forwardMostMove */
9362 MakeMove(fromX, fromY, toX, toY, promoChar)
9363 int fromX, fromY, toX, toY;
9366 // forwardMostMove++; // [HGM] bare: moved downstream
9368 (void) CoordsToAlgebraic(boards[forwardMostMove],
9369 PosFlags(forwardMostMove),
9370 fromY, fromX, toY, toX, promoChar,
9371 parseList[forwardMostMove]);
9373 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9374 int timeLeft; static int lastLoadFlag=0; int king, piece;
9375 piece = boards[forwardMostMove][fromY][fromX];
9376 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9377 if(gameInfo.variant == VariantKnightmate)
9378 king += (int) WhiteUnicorn - (int) WhiteKing;
9379 if(forwardMostMove == 0) {
9380 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9381 fprintf(serverMoves, "%s;", UserName());
9382 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9383 fprintf(serverMoves, "%s;", second.tidy);
9384 fprintf(serverMoves, "%s;", first.tidy);
9385 if(gameMode == MachinePlaysWhite)
9386 fprintf(serverMoves, "%s;", UserName());
9387 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9388 fprintf(serverMoves, "%s;", second.tidy);
9389 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9390 lastLoadFlag = loadFlag;
9392 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9393 // print castling suffix
9394 if( toY == fromY && piece == king ) {
9396 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9398 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9401 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9402 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9403 boards[forwardMostMove][toY][toX] == EmptySquare
9404 && fromX != toX && fromY != toY)
9405 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9407 if(promoChar != NULLCHAR)
9408 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9410 char buf[MOVE_LEN*2], *p; int len;
9411 fprintf(serverMoves, "/%d/%d",
9412 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9413 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9414 else timeLeft = blackTimeRemaining/1000;
9415 fprintf(serverMoves, "/%d", timeLeft);
9416 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9417 if(p = strchr(buf, '=')) *p = NULLCHAR;
9418 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9419 fprintf(serverMoves, "/%s", buf);
9421 fflush(serverMoves);
9424 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9425 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9428 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9429 if (commentList[forwardMostMove+1] != NULL) {
9430 free(commentList[forwardMostMove+1]);
9431 commentList[forwardMostMove+1] = NULL;
9433 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9434 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9435 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9436 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9437 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9438 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9439 adjustedClock = FALSE;
9440 gameInfo.result = GameUnfinished;
9441 if (gameInfo.resultDetails != NULL) {
9442 free(gameInfo.resultDetails);
9443 gameInfo.resultDetails = NULL;
9445 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9446 moveList[forwardMostMove - 1]);
9447 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9453 if(gameInfo.variant != VariantShogi)
9454 strcat(parseList[forwardMostMove - 1], "+");
9458 strcat(parseList[forwardMostMove - 1], "#");
9461 if (appData.debugMode) {
9462 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9467 /* Updates currentMove if not pausing */
9469 ShowMove(fromX, fromY, toX, toY)
9471 int instant = (gameMode == PlayFromGameFile) ?
9472 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9473 if(appData.noGUI) return;
9474 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9476 if (forwardMostMove == currentMove + 1) {
9477 AnimateMove(boards[forwardMostMove - 1],
9478 fromX, fromY, toX, toY);
9480 if (appData.highlightLastMove) {
9481 SetHighlights(fromX, fromY, toX, toY);
9484 currentMove = forwardMostMove;
9487 if (instant) return;
9489 DisplayMove(currentMove - 1);
9490 DrawPosition(FALSE, boards[currentMove]);
9491 DisplayBothClocks();
9492 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9495 void SendEgtPath(ChessProgramState *cps)
9496 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9497 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9499 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9502 char c, *q = name+1, *r, *s;
9504 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9505 while(*p && *p != ',') *q++ = *p++;
9507 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9508 strcmp(name, ",nalimov:") == 0 ) {
9509 // take nalimov path from the menu-changeable option first, if it is defined
9510 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9511 SendToProgram(buf,cps); // send egtbpath command for nalimov
9513 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9514 (s = StrStr(appData.egtFormats, name)) != NULL) {
9515 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9516 s = r = StrStr(s, ":") + 1; // beginning of path info
9517 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9518 c = *r; *r = 0; // temporarily null-terminate path info
9519 *--q = 0; // strip of trailig ':' from name
9520 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9522 SendToProgram(buf,cps); // send egtbpath command for this format
9524 if(*p == ',') p++; // read away comma to position for next format name
9529 InitChessProgram(cps, setup)
9530 ChessProgramState *cps;
9531 int setup; /* [HGM] needed to setup FRC opening position */
9533 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9534 if (appData.noChessProgram) return;
9535 hintRequested = FALSE;
9536 bookRequested = FALSE;
9538 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9539 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9540 if(cps->memSize) { /* [HGM] memory */
9541 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9542 SendToProgram(buf, cps);
9544 SendEgtPath(cps); /* [HGM] EGT */
9545 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9546 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9547 SendToProgram(buf, cps);
9550 SendToProgram(cps->initString, cps);
9551 if (gameInfo.variant != VariantNormal &&
9552 gameInfo.variant != VariantLoadable
9553 /* [HGM] also send variant if board size non-standard */
9554 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9556 char *v = VariantName(gameInfo.variant);
9557 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9558 /* [HGM] in protocol 1 we have to assume all variants valid */
9559 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9560 DisplayFatalError(buf, 0, 1);
9564 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9565 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9566 if( gameInfo.variant == VariantXiangqi )
9567 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9568 if( gameInfo.variant == VariantShogi )
9569 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9570 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9571 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9572 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9573 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9574 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9575 if( gameInfo.variant == VariantCourier )
9576 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9577 if( gameInfo.variant == VariantSuper )
9578 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9579 if( gameInfo.variant == VariantGreat )
9580 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9581 if( gameInfo.variant == VariantSChess )
9582 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9583 if( gameInfo.variant == VariantGrand )
9584 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9587 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9588 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9589 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9590 if(StrStr(cps->variants, b) == NULL) {
9591 // specific sized variant not known, check if general sizing allowed
9592 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9593 if(StrStr(cps->variants, "boardsize") == NULL) {
9594 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9595 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9596 DisplayFatalError(buf, 0, 1);
9599 /* [HGM] here we really should compare with the maximum supported board size */
9602 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9603 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9604 SendToProgram(buf, cps);
9606 currentlyInitializedVariant = gameInfo.variant;
9608 /* [HGM] send opening position in FRC to first engine */
9610 SendToProgram("force\n", cps);
9612 /* engine is now in force mode! Set flag to wake it up after first move. */
9613 setboardSpoiledMachineBlack = 1;
9617 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9618 SendToProgram(buf, cps);
9620 cps->maybeThinking = FALSE;
9621 cps->offeredDraw = 0;
9622 if (!appData.icsActive) {
9623 SendTimeControl(cps, movesPerSession, timeControl,
9624 timeIncrement, appData.searchDepth,
9627 if (appData.showThinking
9628 // [HGM] thinking: four options require thinking output to be sent
9629 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9631 SendToProgram("post\n", cps);
9633 SendToProgram("hard\n", cps);
9634 if (!appData.ponderNextMove) {
9635 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9636 it without being sure what state we are in first. "hard"
9637 is not a toggle, so that one is OK.
9639 SendToProgram("easy\n", cps);
9642 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9643 SendToProgram(buf, cps);
9645 cps->initDone = TRUE;
9646 ClearEngineOutputPane(cps == &second);
9651 StartChessProgram(cps)
9652 ChessProgramState *cps;
9657 if (appData.noChessProgram) return;
9658 cps->initDone = FALSE;
9660 if (strcmp(cps->host, "localhost") == 0) {
9661 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9662 } else if (*appData.remoteShell == NULLCHAR) {
9663 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9665 if (*appData.remoteUser == NULLCHAR) {
9666 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9669 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9670 cps->host, appData.remoteUser, cps->program);
9672 err = StartChildProcess(buf, "", &cps->pr);
9676 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9677 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9678 if(cps != &first) return;
9679 appData.noChessProgram = TRUE;
9682 // DisplayFatalError(buf, err, 1);
9683 // cps->pr = NoProc;
9688 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9689 if (cps->protocolVersion > 1) {
9690 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9691 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9692 cps->comboCnt = 0; // and values of combo boxes
9693 SendToProgram(buf, cps);
9695 SendToProgram("xboard\n", cps);
9700 TwoMachinesEventIfReady P((void))
9702 static int curMess = 0;
9703 if (first.lastPing != first.lastPong) {
9704 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9705 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9708 if (second.lastPing != second.lastPong) {
9709 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9710 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9713 DisplayMessage("", ""); curMess = 0;
9719 MakeName(char *template)
9723 static char buf[MSG_SIZ];
9727 clock = time((time_t *)NULL);
9728 tm = localtime(&clock);
9730 while(*p++ = *template++) if(p[-1] == '%') {
9731 switch(*template++) {
9732 case 0: *p = 0; return buf;
9733 case 'Y': i = tm->tm_year+1900; break;
9734 case 'y': i = tm->tm_year-100; break;
9735 case 'M': i = tm->tm_mon+1; break;
9736 case 'd': i = tm->tm_mday; break;
9737 case 'h': i = tm->tm_hour; break;
9738 case 'm': i = tm->tm_min; break;
9739 case 's': i = tm->tm_sec; break;
9742 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9748 CountPlayers(char *p)
9751 while(p = strchr(p, '\n')) p++, n++; // count participants
9756 WriteTourneyFile(char *results, FILE *f)
9757 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9758 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9759 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9760 // create a file with tournament description
9761 fprintf(f, "-participants {%s}\n", appData.participants);
9762 fprintf(f, "-seedBase %d\n", appData.seedBase);
9763 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9764 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9765 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9766 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9767 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9768 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9769 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9770 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9771 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9772 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9773 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9774 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9776 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9778 fprintf(f, "-mps %d\n", appData.movesPerSession);
9779 fprintf(f, "-tc %s\n", appData.timeControl);
9780 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9782 fprintf(f, "-results \"%s\"\n", results);
9787 #define MAXENGINES 1000
9788 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9790 void Substitute(char *participants, int expunge)
9792 int i, changed, changes=0, nPlayers=0;
9793 char *p, *q, *r, buf[MSG_SIZ];
9794 if(participants == NULL) return;
9795 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9796 r = p = participants; q = appData.participants;
9797 while(*p && *p == *q) {
9798 if(*p == '\n') r = p+1, nPlayers++;
9801 if(*p) { // difference
9802 while(*p && *p++ != '\n');
9803 while(*q && *q++ != '\n');
9805 changes = 1 + (strcmp(p, q) != 0);
9807 if(changes == 1) { // a single engine mnemonic was changed
9808 q = r; while(*q) nPlayers += (*q++ == '\n');
9809 p = buf; while(*r && (*p = *r++) != '\n') p++;
9811 NamesToList(firstChessProgramNames, command, mnemonic);
9812 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9813 if(mnemonic[i]) { // The substitute is valid
9815 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9816 flock(fileno(f), LOCK_EX);
9817 ParseArgsFromFile(f);
9818 fseek(f, 0, SEEK_SET);
9819 FREE(appData.participants); appData.participants = participants;
9820 if(expunge) { // erase results of replaced engine
9821 int len = strlen(appData.results), w, b, dummy;
9822 for(i=0; i<len; i++) {
9823 Pairing(i, nPlayers, &w, &b, &dummy);
9824 if((w == changed || b == changed) && appData.results[i] == '*') {
9825 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9830 for(i=0; i<len; i++) {
9831 Pairing(i, nPlayers, &w, &b, &dummy);
9832 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9835 WriteTourneyFile(appData.results, f);
9836 fclose(f); // release lock
9839 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9841 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9842 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9848 CreateTourney(char *name)
9851 if(matchMode && strcmp(name, appData.tourneyFile)) {
9852 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9854 if(name[0] == NULLCHAR) {
9855 if(appData.participants[0])
9856 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9859 f = fopen(name, "r");
9860 if(f) { // file exists
9861 ASSIGN(appData.tourneyFile, name);
9862 ParseArgsFromFile(f); // parse it
9864 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9865 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9866 DisplayError(_("Not enough participants"), 0);
9869 ASSIGN(appData.tourneyFile, name);
9870 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9871 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9874 appData.noChessProgram = FALSE;
9875 appData.clockMode = TRUE;
9880 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9882 char buf[MSG_SIZ], *p, *q;
9886 while(*p && *p != '\n') *q++ = *p++;
9888 if(engineList[i]) free(engineList[i]);
9889 engineList[i] = strdup(buf);
9891 TidyProgramName(engineList[i], "localhost", buf);
9892 if(engineMnemonic[i]) free(engineMnemonic[i]);
9893 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9895 sscanf(q + 8, "%s", buf + strlen(buf));
9898 engineMnemonic[i] = strdup(buf);
9900 if(i > MAXENGINES - 2) break;
9902 engineList[i] = engineMnemonic[i] = NULL;
9905 // following implemented as macro to avoid type limitations
9906 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9908 void SwapEngines(int n)
9909 { // swap settings for first engine and other engine (so far only some selected options)
9914 SWAP(chessProgram, p)
9916 SWAP(hasOwnBookUCI, h)
9917 SWAP(protocolVersion, h)
9919 SWAP(scoreIsAbsolute, h)
9927 SetPlayer(int player)
9928 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9930 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9931 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9932 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9933 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9935 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9936 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9937 appData.firstHasOwnBookUCI = !appData.defNoBook;
9938 ParseArgsFromString(buf);
9944 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9945 { // determine players from game number
9946 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9948 if(appData.tourneyType == 0) {
9949 roundsPerCycle = (nPlayers - 1) | 1;
9950 pairingsPerRound = nPlayers / 2;
9951 } else if(appData.tourneyType > 0) {
9952 roundsPerCycle = nPlayers - appData.tourneyType;
9953 pairingsPerRound = appData.tourneyType;
9955 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9956 gamesPerCycle = gamesPerRound * roundsPerCycle;
9957 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9958 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9959 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9960 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9961 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9962 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9964 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9965 if(appData.roundSync) *syncInterval = gamesPerRound;
9967 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9969 if(appData.tourneyType == 0) {
9970 if(curPairing == (nPlayers-1)/2 ) {
9971 *whitePlayer = curRound;
9972 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9974 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9975 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9976 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9977 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9979 } else if(appData.tourneyType > 0) {
9980 *whitePlayer = curPairing;
9981 *blackPlayer = curRound + appData.tourneyType;
9984 // take care of white/black alternation per round.
9985 // For cycles and games this is already taken care of by default, derived from matchGame!
9986 return curRound & 1;
9990 NextTourneyGame(int nr, int *swapColors)
9991 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9993 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
9995 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
9996 tf = fopen(appData.tourneyFile, "r");
9997 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
9998 ParseArgsFromFile(tf); fclose(tf);
9999 InitTimeControls(); // TC might be altered from tourney file
10001 nPlayers = CountPlayers(appData.participants); // count participants
10002 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10003 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10006 p = q = appData.results;
10007 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10008 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10009 DisplayMessage(_("Waiting for other game(s)"),"");
10010 waitingForGame = TRUE;
10011 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10014 waitingForGame = FALSE;
10017 if(appData.tourneyType < 0) {
10018 if(nr>=0 && !pairingReceived) {
10020 if(pairing.pr == NoProc) {
10021 if(!appData.pairingEngine[0]) {
10022 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10025 StartChessProgram(&pairing); // starts the pairing engine
10027 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10028 SendToProgram(buf, &pairing);
10029 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10030 SendToProgram(buf, &pairing);
10031 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10033 pairingReceived = 0; // ... so we continue here
10035 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10036 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10037 matchGame = 1; roundNr = nr / syncInterval + 1;
10040 if(first.pr != NoProc || second.pr != NoProc) return 1; // engines already loaded
10042 // redefine engines, engine dir, etc.
10043 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
10044 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
10046 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
10047 SwapEngines(1); // and make that valid for second engine by swapping
10048 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10049 InitEngine(&second, 1);
10050 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10051 UpdateLogos(FALSE); // leave display to ModeHiglight()
10057 { // performs game initialization that does not invoke engines, and then tries to start the game
10058 int res, firstWhite, swapColors = 0;
10059 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10060 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10061 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10062 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10063 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10064 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10065 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10066 Reset(FALSE, first.pr != NoProc);
10067 res = LoadGameOrPosition(matchGame); // setup game
10068 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10069 if(!res) return; // abort when bad game/pos file
10070 TwoMachinesEvent();
10073 void UserAdjudicationEvent( int result )
10075 ChessMove gameResult = GameIsDrawn;
10078 gameResult = WhiteWins;
10080 else if( result < 0 ) {
10081 gameResult = BlackWins;
10084 if( gameMode == TwoMachinesPlay ) {
10085 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10090 // [HGM] save: calculate checksum of game to make games easily identifiable
10091 int StringCheckSum(char *s)
10094 if(s==NULL) return 0;
10095 while(*s) i = i*259 + *s++;
10102 for(i=backwardMostMove; i<forwardMostMove; i++) {
10103 sum += pvInfoList[i].depth;
10104 sum += StringCheckSum(parseList[i]);
10105 sum += StringCheckSum(commentList[i]);
10108 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10109 return sum + StringCheckSum(commentList[i]);
10110 } // end of save patch
10113 GameEnds(result, resultDetails, whosays)
10115 char *resultDetails;
10118 GameMode nextGameMode;
10120 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10122 if(endingGame) return; /* [HGM] crash: forbid recursion */
10124 if(twoBoards) { // [HGM] dual: switch back to one board
10125 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10126 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10128 if (appData.debugMode) {
10129 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10130 result, resultDetails ? resultDetails : "(null)", whosays);
10133 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10135 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10136 /* If we are playing on ICS, the server decides when the
10137 game is over, but the engine can offer to draw, claim
10141 if (appData.zippyPlay && first.initDone) {
10142 if (result == GameIsDrawn) {
10143 /* In case draw still needs to be claimed */
10144 SendToICS(ics_prefix);
10145 SendToICS("draw\n");
10146 } else if (StrCaseStr(resultDetails, "resign")) {
10147 SendToICS(ics_prefix);
10148 SendToICS("resign\n");
10152 endingGame = 0; /* [HGM] crash */
10156 /* If we're loading the game from a file, stop */
10157 if (whosays == GE_FILE) {
10158 (void) StopLoadGameTimer();
10162 /* Cancel draw offers */
10163 first.offeredDraw = second.offeredDraw = 0;
10165 /* If this is an ICS game, only ICS can really say it's done;
10166 if not, anyone can. */
10167 isIcsGame = (gameMode == IcsPlayingWhite ||
10168 gameMode == IcsPlayingBlack ||
10169 gameMode == IcsObserving ||
10170 gameMode == IcsExamining);
10172 if (!isIcsGame || whosays == GE_ICS) {
10173 /* OK -- not an ICS game, or ICS said it was done */
10175 if (!isIcsGame && !appData.noChessProgram)
10176 SetUserThinkingEnables();
10178 /* [HGM] if a machine claims the game end we verify this claim */
10179 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10180 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10182 ChessMove trueResult = (ChessMove) -1;
10184 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10185 first.twoMachinesColor[0] :
10186 second.twoMachinesColor[0] ;
10188 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10189 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10190 /* [HGM] verify: engine mate claims accepted if they were flagged */
10191 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10193 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10194 /* [HGM] verify: engine mate claims accepted if they were flagged */
10195 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10197 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10198 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10201 // now verify win claims, but not in drop games, as we don't understand those yet
10202 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10203 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10204 (result == WhiteWins && claimer == 'w' ||
10205 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10206 if (appData.debugMode) {
10207 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10208 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10210 if(result != trueResult) {
10211 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10212 result = claimer == 'w' ? BlackWins : WhiteWins;
10213 resultDetails = buf;
10216 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10217 && (forwardMostMove <= backwardMostMove ||
10218 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10219 (claimer=='b')==(forwardMostMove&1))
10221 /* [HGM] verify: draws that were not flagged are false claims */
10222 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10223 result = claimer == 'w' ? BlackWins : WhiteWins;
10224 resultDetails = buf;
10226 /* (Claiming a loss is accepted no questions asked!) */
10228 /* [HGM] bare: don't allow bare King to win */
10229 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10230 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10231 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10232 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10233 && result != GameIsDrawn)
10234 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10235 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10236 int p = (signed char)boards[forwardMostMove][i][j] - color;
10237 if(p >= 0 && p <= (int)WhiteKing) k++;
10239 if (appData.debugMode) {
10240 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10241 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10244 result = GameIsDrawn;
10245 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10246 resultDetails = buf;
10252 if(serverMoves != NULL && !loadFlag) { char c = '=';
10253 if(result==WhiteWins) c = '+';
10254 if(result==BlackWins) c = '-';
10255 if(resultDetails != NULL)
10256 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10258 if (resultDetails != NULL) {
10259 gameInfo.result = result;
10260 gameInfo.resultDetails = StrSave(resultDetails);
10262 /* display last move only if game was not loaded from file */
10263 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10264 DisplayMove(currentMove - 1);
10266 if (forwardMostMove != 0) {
10267 if (gameMode != PlayFromGameFile && gameMode != EditGame
10268 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10270 if (*appData.saveGameFile != NULLCHAR) {
10271 SaveGameToFile(appData.saveGameFile, TRUE);
10272 } else if (appData.autoSaveGames) {
10275 if (*appData.savePositionFile != NULLCHAR) {
10276 SavePositionToFile(appData.savePositionFile);
10281 /* Tell program how game ended in case it is learning */
10282 /* [HGM] Moved this to after saving the PGN, just in case */
10283 /* engine died and we got here through time loss. In that */
10284 /* case we will get a fatal error writing the pipe, which */
10285 /* would otherwise lose us the PGN. */
10286 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10287 /* output during GameEnds should never be fatal anymore */
10288 if (gameMode == MachinePlaysWhite ||
10289 gameMode == MachinePlaysBlack ||
10290 gameMode == TwoMachinesPlay ||
10291 gameMode == IcsPlayingWhite ||
10292 gameMode == IcsPlayingBlack ||
10293 gameMode == BeginningOfGame) {
10295 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10297 if (first.pr != NoProc) {
10298 SendToProgram(buf, &first);
10300 if (second.pr != NoProc &&
10301 gameMode == TwoMachinesPlay) {
10302 SendToProgram(buf, &second);
10307 if (appData.icsActive) {
10308 if (appData.quietPlay &&
10309 (gameMode == IcsPlayingWhite ||
10310 gameMode == IcsPlayingBlack)) {
10311 SendToICS(ics_prefix);
10312 SendToICS("set shout 1\n");
10314 nextGameMode = IcsIdle;
10315 ics_user_moved = FALSE;
10316 /* clean up premove. It's ugly when the game has ended and the
10317 * premove highlights are still on the board.
10320 gotPremove = FALSE;
10321 ClearPremoveHighlights();
10322 DrawPosition(FALSE, boards[currentMove]);
10324 if (whosays == GE_ICS) {
10327 if (gameMode == IcsPlayingWhite)
10329 else if(gameMode == IcsPlayingBlack)
10330 PlayIcsLossSound();
10333 if (gameMode == IcsPlayingBlack)
10335 else if(gameMode == IcsPlayingWhite)
10336 PlayIcsLossSound();
10339 PlayIcsDrawSound();
10342 PlayIcsUnfinishedSound();
10345 } else if (gameMode == EditGame ||
10346 gameMode == PlayFromGameFile ||
10347 gameMode == AnalyzeMode ||
10348 gameMode == AnalyzeFile) {
10349 nextGameMode = gameMode;
10351 nextGameMode = EndOfGame;
10356 nextGameMode = gameMode;
10359 if (appData.noChessProgram) {
10360 gameMode = nextGameMode;
10362 endingGame = 0; /* [HGM] crash */
10367 /* Put first chess program into idle state */
10368 if (first.pr != NoProc &&
10369 (gameMode == MachinePlaysWhite ||
10370 gameMode == MachinePlaysBlack ||
10371 gameMode == TwoMachinesPlay ||
10372 gameMode == IcsPlayingWhite ||
10373 gameMode == IcsPlayingBlack ||
10374 gameMode == BeginningOfGame)) {
10375 SendToProgram("force\n", &first);
10376 if (first.usePing) {
10378 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10379 SendToProgram(buf, &first);
10382 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10383 /* Kill off first chess program */
10384 if (first.isr != NULL)
10385 RemoveInputSource(first.isr);
10388 if (first.pr != NoProc) {
10390 DoSleep( appData.delayBeforeQuit );
10391 SendToProgram("quit\n", &first);
10392 DoSleep( appData.delayAfterQuit );
10393 DestroyChildProcess(first.pr, first.useSigterm);
10397 if (second.reuse) {
10398 /* Put second chess program into idle state */
10399 if (second.pr != NoProc &&
10400 gameMode == TwoMachinesPlay) {
10401 SendToProgram("force\n", &second);
10402 if (second.usePing) {
10404 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10405 SendToProgram(buf, &second);
10408 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10409 /* Kill off second chess program */
10410 if (second.isr != NULL)
10411 RemoveInputSource(second.isr);
10414 if (second.pr != NoProc) {
10415 DoSleep( appData.delayBeforeQuit );
10416 SendToProgram("quit\n", &second);
10417 DoSleep( appData.delayAfterQuit );
10418 DestroyChildProcess(second.pr, second.useSigterm);
10420 second.pr = NoProc;
10423 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10424 char resChar = '=';
10428 if (first.twoMachinesColor[0] == 'w') {
10431 second.matchWins++;
10436 if (first.twoMachinesColor[0] == 'b') {
10439 second.matchWins++;
10442 case GameUnfinished:
10448 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10449 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10450 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10451 ReserveGame(nextGame, resChar); // sets nextGame
10452 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10453 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10454 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10456 if (nextGame <= appData.matchGames && !abortMatch) {
10457 gameMode = nextGameMode;
10458 matchGame = nextGame; // this will be overruled in tourney mode!
10459 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10460 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10461 endingGame = 0; /* [HGM] crash */
10464 gameMode = nextGameMode;
10465 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10466 first.tidy, second.tidy,
10467 first.matchWins, second.matchWins,
10468 appData.matchGames - (first.matchWins + second.matchWins));
10469 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10470 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10471 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10472 first.twoMachinesColor = "black\n";
10473 second.twoMachinesColor = "white\n";
10475 first.twoMachinesColor = "white\n";
10476 second.twoMachinesColor = "black\n";
10480 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10481 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10483 gameMode = nextGameMode;
10485 endingGame = 0; /* [HGM] crash */
10486 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10487 if(matchMode == TRUE) { // match through command line: exit with or without popup
10489 ToNrEvent(forwardMostMove);
10490 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10492 } else DisplayFatalError(buf, 0, 0);
10493 } else { // match through menu; just stop, with or without popup
10494 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10497 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10498 } else DisplayNote(buf);
10500 if(ranking) free(ranking);
10504 /* Assumes program was just initialized (initString sent).
10505 Leaves program in force mode. */
10507 FeedMovesToProgram(cps, upto)
10508 ChessProgramState *cps;
10513 if (appData.debugMode)
10514 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10515 startedFromSetupPosition ? "position and " : "",
10516 backwardMostMove, upto, cps->which);
10517 if(currentlyInitializedVariant != gameInfo.variant) {
10519 // [HGM] variantswitch: make engine aware of new variant
10520 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10521 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10522 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10523 SendToProgram(buf, cps);
10524 currentlyInitializedVariant = gameInfo.variant;
10526 SendToProgram("force\n", cps);
10527 if (startedFromSetupPosition) {
10528 SendBoard(cps, backwardMostMove);
10529 if (appData.debugMode) {
10530 fprintf(debugFP, "feedMoves\n");
10533 for (i = backwardMostMove; i < upto; i++) {
10534 SendMoveToProgram(i, cps);
10540 ResurrectChessProgram()
10542 /* The chess program may have exited.
10543 If so, restart it and feed it all the moves made so far. */
10544 static int doInit = 0;
10546 if (appData.noChessProgram) return 1;
10548 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10549 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10550 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10551 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10553 if (first.pr != NoProc) return 1;
10554 StartChessProgram(&first);
10556 InitChessProgram(&first, FALSE);
10557 FeedMovesToProgram(&first, currentMove);
10559 if (!first.sendTime) {
10560 /* can't tell gnuchess what its clock should read,
10561 so we bow to its notion. */
10563 timeRemaining[0][currentMove] = whiteTimeRemaining;
10564 timeRemaining[1][currentMove] = blackTimeRemaining;
10567 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10568 appData.icsEngineAnalyze) && first.analysisSupport) {
10569 SendToProgram("analyze\n", &first);
10570 first.analyzing = TRUE;
10576 * Button procedures
10579 Reset(redraw, init)
10584 if (appData.debugMode) {
10585 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10586 redraw, init, gameMode);
10588 CleanupTail(); // [HGM] vari: delete any stored variations
10589 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10590 pausing = pauseExamInvalid = FALSE;
10591 startedFromSetupPosition = blackPlaysFirst = FALSE;
10593 whiteFlag = blackFlag = FALSE;
10594 userOfferedDraw = FALSE;
10595 hintRequested = bookRequested = FALSE;
10596 first.maybeThinking = FALSE;
10597 second.maybeThinking = FALSE;
10598 first.bookSuspend = FALSE; // [HGM] book
10599 second.bookSuspend = FALSE;
10600 thinkOutput[0] = NULLCHAR;
10601 lastHint[0] = NULLCHAR;
10602 ClearGameInfo(&gameInfo);
10603 gameInfo.variant = StringToVariant(appData.variant);
10604 ics_user_moved = ics_clock_paused = FALSE;
10605 ics_getting_history = H_FALSE;
10607 white_holding[0] = black_holding[0] = NULLCHAR;
10608 ClearProgramStats();
10609 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10613 flipView = appData.flipView;
10614 ClearPremoveHighlights();
10615 gotPremove = FALSE;
10616 alarmSounded = FALSE;
10618 GameEnds(EndOfFile, NULL, GE_PLAYER);
10619 if(appData.serverMovesName != NULL) {
10620 /* [HGM] prepare to make moves file for broadcasting */
10621 clock_t t = clock();
10622 if(serverMoves != NULL) fclose(serverMoves);
10623 serverMoves = fopen(appData.serverMovesName, "r");
10624 if(serverMoves != NULL) {
10625 fclose(serverMoves);
10626 /* delay 15 sec before overwriting, so all clients can see end */
10627 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10629 serverMoves = fopen(appData.serverMovesName, "w");
10633 gameMode = BeginningOfGame;
10635 if(appData.icsActive) gameInfo.variant = VariantNormal;
10636 currentMove = forwardMostMove = backwardMostMove = 0;
10637 InitPosition(redraw);
10638 for (i = 0; i < MAX_MOVES; i++) {
10639 if (commentList[i] != NULL) {
10640 free(commentList[i]);
10641 commentList[i] = NULL;
10645 timeRemaining[0][0] = whiteTimeRemaining;
10646 timeRemaining[1][0] = blackTimeRemaining;
10648 if (first.pr == NoProc) {
10649 StartChessProgram(&first);
10652 InitChessProgram(&first, startedFromSetupPosition);
10655 DisplayMessage("", "");
10656 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10657 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10664 if (!AutoPlayOneMove())
10666 if (matchMode || appData.timeDelay == 0)
10668 if (appData.timeDelay < 0)
10670 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10679 int fromX, fromY, toX, toY;
10681 if (appData.debugMode) {
10682 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10685 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10688 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10689 pvInfoList[currentMove].depth = programStats.depth;
10690 pvInfoList[currentMove].score = programStats.score;
10691 pvInfoList[currentMove].time = 0;
10692 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10695 if (currentMove >= forwardMostMove) {
10696 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10697 // gameMode = EndOfGame;
10698 // ModeHighlight();
10700 /* [AS] Clear current move marker at the end of a game */
10701 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10706 toX = moveList[currentMove][2] - AAA;
10707 toY = moveList[currentMove][3] - ONE;
10709 if (moveList[currentMove][1] == '@') {
10710 if (appData.highlightLastMove) {
10711 SetHighlights(-1, -1, toX, toY);
10714 fromX = moveList[currentMove][0] - AAA;
10715 fromY = moveList[currentMove][1] - ONE;
10717 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10719 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10721 if (appData.highlightLastMove) {
10722 SetHighlights(fromX, fromY, toX, toY);
10725 DisplayMove(currentMove);
10726 SendMoveToProgram(currentMove++, &first);
10727 DisplayBothClocks();
10728 DrawPosition(FALSE, boards[currentMove]);
10729 // [HGM] PV info: always display, routine tests if empty
10730 DisplayComment(currentMove - 1, commentList[currentMove]);
10736 LoadGameOneMove(readAhead)
10737 ChessMove readAhead;
10739 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10740 char promoChar = NULLCHAR;
10741 ChessMove moveType;
10742 char move[MSG_SIZ];
10745 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10746 gameMode != AnalyzeMode && gameMode != Training) {
10751 yyboardindex = forwardMostMove;
10752 if (readAhead != EndOfFile) {
10753 moveType = readAhead;
10755 if (gameFileFP == NULL)
10757 moveType = (ChessMove) Myylex();
10761 switch (moveType) {
10763 if (appData.debugMode)
10764 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10767 /* append the comment but don't display it */
10768 AppendComment(currentMove, p, FALSE);
10771 case WhiteCapturesEnPassant:
10772 case BlackCapturesEnPassant:
10773 case WhitePromotion:
10774 case BlackPromotion:
10775 case WhiteNonPromotion:
10776 case BlackNonPromotion:
10778 case WhiteKingSideCastle:
10779 case WhiteQueenSideCastle:
10780 case BlackKingSideCastle:
10781 case BlackQueenSideCastle:
10782 case WhiteKingSideCastleWild:
10783 case WhiteQueenSideCastleWild:
10784 case BlackKingSideCastleWild:
10785 case BlackQueenSideCastleWild:
10787 case WhiteHSideCastleFR:
10788 case WhiteASideCastleFR:
10789 case BlackHSideCastleFR:
10790 case BlackASideCastleFR:
10792 if (appData.debugMode)
10793 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10794 fromX = currentMoveString[0] - AAA;
10795 fromY = currentMoveString[1] - ONE;
10796 toX = currentMoveString[2] - AAA;
10797 toY = currentMoveString[3] - ONE;
10798 promoChar = currentMoveString[4];
10803 if (appData.debugMode)
10804 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10805 fromX = moveType == WhiteDrop ?
10806 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10807 (int) CharToPiece(ToLower(currentMoveString[0]));
10809 toX = currentMoveString[2] - AAA;
10810 toY = currentMoveString[3] - ONE;
10816 case GameUnfinished:
10817 if (appData.debugMode)
10818 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10819 p = strchr(yy_text, '{');
10820 if (p == NULL) p = strchr(yy_text, '(');
10823 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10825 q = strchr(p, *p == '{' ? '}' : ')');
10826 if (q != NULL) *q = NULLCHAR;
10829 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10830 GameEnds(moveType, p, GE_FILE);
10832 if (cmailMsgLoaded) {
10834 flipView = WhiteOnMove(currentMove);
10835 if (moveType == GameUnfinished) flipView = !flipView;
10836 if (appData.debugMode)
10837 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10842 if (appData.debugMode)
10843 fprintf(debugFP, "Parser hit end of file\n");
10844 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10850 if (WhiteOnMove(currentMove)) {
10851 GameEnds(BlackWins, "Black mates", GE_FILE);
10853 GameEnds(WhiteWins, "White mates", GE_FILE);
10857 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10863 case MoveNumberOne:
10864 if (lastLoadGameStart == GNUChessGame) {
10865 /* GNUChessGames have numbers, but they aren't move numbers */
10866 if (appData.debugMode)
10867 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10868 yy_text, (int) moveType);
10869 return LoadGameOneMove(EndOfFile); /* tail recursion */
10871 /* else fall thru */
10876 /* Reached start of next game in file */
10877 if (appData.debugMode)
10878 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10879 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10885 if (WhiteOnMove(currentMove)) {
10886 GameEnds(BlackWins, "Black mates", GE_FILE);
10888 GameEnds(WhiteWins, "White mates", GE_FILE);
10892 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10898 case PositionDiagram: /* should not happen; ignore */
10899 case ElapsedTime: /* ignore */
10900 case NAG: /* ignore */
10901 if (appData.debugMode)
10902 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10903 yy_text, (int) moveType);
10904 return LoadGameOneMove(EndOfFile); /* tail recursion */
10907 if (appData.testLegality) {
10908 if (appData.debugMode)
10909 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10910 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10911 (forwardMostMove / 2) + 1,
10912 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10913 DisplayError(move, 0);
10916 if (appData.debugMode)
10917 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10918 yy_text, currentMoveString);
10919 fromX = currentMoveString[0] - AAA;
10920 fromY = currentMoveString[1] - ONE;
10921 toX = currentMoveString[2] - AAA;
10922 toY = currentMoveString[3] - ONE;
10923 promoChar = currentMoveString[4];
10927 case AmbiguousMove:
10928 if (appData.debugMode)
10929 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10930 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10931 (forwardMostMove / 2) + 1,
10932 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10933 DisplayError(move, 0);
10938 case ImpossibleMove:
10939 if (appData.debugMode)
10940 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10941 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10942 (forwardMostMove / 2) + 1,
10943 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10944 DisplayError(move, 0);
10950 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10951 DrawPosition(FALSE, boards[currentMove]);
10952 DisplayBothClocks();
10953 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10954 DisplayComment(currentMove - 1, commentList[currentMove]);
10956 (void) StopLoadGameTimer();
10958 cmailOldMove = forwardMostMove;
10961 /* currentMoveString is set as a side-effect of yylex */
10963 thinkOutput[0] = NULLCHAR;
10964 MakeMove(fromX, fromY, toX, toY, promoChar);
10965 currentMove = forwardMostMove;
10970 /* Load the nth game from the given file */
10972 LoadGameFromFile(filename, n, title, useList)
10976 /*Boolean*/ int useList;
10981 if (strcmp(filename, "-") == 0) {
10985 f = fopen(filename, "rb");
10987 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10988 DisplayError(buf, errno);
10992 if (fseek(f, 0, 0) == -1) {
10993 /* f is not seekable; probably a pipe */
10996 if (useList && n == 0) {
10997 int error = GameListBuild(f);
10999 DisplayError(_("Cannot build game list"), error);
11000 } else if (!ListEmpty(&gameList) &&
11001 ((ListGame *) gameList.tailPred)->number > 1) {
11002 GameListPopUp(f, title);
11009 return LoadGame(f, n, title, FALSE);
11014 MakeRegisteredMove()
11016 int fromX, fromY, toX, toY;
11018 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11019 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11022 if (appData.debugMode)
11023 fprintf(debugFP, "Restoring %s for game %d\n",
11024 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11026 thinkOutput[0] = NULLCHAR;
11027 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11028 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11029 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11030 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11031 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11032 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11033 MakeMove(fromX, fromY, toX, toY, promoChar);
11034 ShowMove(fromX, fromY, toX, toY);
11036 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11043 if (WhiteOnMove(currentMove)) {
11044 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11046 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11051 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11058 if (WhiteOnMove(currentMove)) {
11059 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11061 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11066 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11077 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11079 CmailLoadGame(f, gameNumber, title, useList)
11087 if (gameNumber > nCmailGames) {
11088 DisplayError(_("No more games in this message"), 0);
11091 if (f == lastLoadGameFP) {
11092 int offset = gameNumber - lastLoadGameNumber;
11094 cmailMsg[0] = NULLCHAR;
11095 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11096 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11097 nCmailMovesRegistered--;
11099 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11100 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11101 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11104 if (! RegisterMove()) return FALSE;
11108 retVal = LoadGame(f, gameNumber, title, useList);
11110 /* Make move registered during previous look at this game, if any */
11111 MakeRegisteredMove();
11113 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11114 commentList[currentMove]
11115 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11116 DisplayComment(currentMove - 1, commentList[currentMove]);
11122 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11127 int gameNumber = lastLoadGameNumber + offset;
11128 if (lastLoadGameFP == NULL) {
11129 DisplayError(_("No game has been loaded yet"), 0);
11132 if (gameNumber <= 0) {
11133 DisplayError(_("Can't back up any further"), 0);
11136 if (cmailMsgLoaded) {
11137 return CmailLoadGame(lastLoadGameFP, gameNumber,
11138 lastLoadGameTitle, lastLoadGameUseList);
11140 return LoadGame(lastLoadGameFP, gameNumber,
11141 lastLoadGameTitle, lastLoadGameUseList);
11145 int keys[EmptySquare+1];
11148 PositionMatches(Board b1, Board b2)
11151 switch(appData.searchMode) {
11152 case 1: return CompareWithRights(b1, b2);
11154 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11155 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11159 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11160 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11161 sum += keys[b1[r][f]] - keys[b2[r][f]];
11165 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11166 sum += keys[b1[r][f]] - keys[b2[r][f]];
11178 int pieceList[256], quickBoard[256];
11179 ChessSquare pieceType[256] = { EmptySquare };
11180 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11181 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11182 int soughtTotal, turn;
11183 Boolean epOK, flipSearch;
11186 unsigned char piece, to;
11189 #define DSIZE (250000)
11191 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11192 Move *moveDatabase = initialSpace;
11193 unsigned int movePtr, dataSize = DSIZE;
11195 int MakePieceList(Board board, int *counts)
11197 int r, f, n=Q_PROMO, total=0;
11198 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11199 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11200 int sq = f + (r<<4);
11201 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11202 quickBoard[sq] = ++n;
11204 pieceType[n] = board[r][f];
11205 counts[board[r][f]]++;
11206 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11207 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11211 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11215 void PackMove(int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11217 int sq = fromX + (fromY<<4);
11218 int piece = quickBoard[sq];
11219 quickBoard[sq] = 0;
11220 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11221 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11222 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11223 moveDatabase[movePtr++].piece = Q_WCASTL;
11224 quickBoard[sq] = piece;
11225 piece = quickBoard[from]; quickBoard[from] = 0;
11226 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11228 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11229 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11230 moveDatabase[movePtr++].piece = Q_BCASTL;
11231 quickBoard[sq] = piece;
11232 piece = quickBoard[from]; quickBoard[from] = 0;
11233 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11235 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11236 quickBoard[(fromY<<4)+toX] = 0;
11237 moveDatabase[movePtr].piece = Q_EP;
11238 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11239 moveDatabase[movePtr].to = sq;
11241 if(promoPiece != pieceType[piece]) {
11242 moveDatabase[movePtr++].piece = Q_PROMO;
11243 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11245 moveDatabase[movePtr].piece = piece;
11246 quickBoard[sq] = piece;
11250 int PackGame(Board board)
11252 Move *newSpace = NULL;
11253 moveDatabase[movePtr].piece = 0; // terminate previous game
11254 if(movePtr > dataSize) {
11255 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11256 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11257 if(dataSize) newSpace = (Move*) calloc(8*dataSize + 1000, sizeof(Move));
11260 Move *p = moveDatabase, *q = newSpace;
11261 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11262 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11263 moveDatabase = newSpace;
11264 } else { // calloc failed, we must be out of memory. Too bad...
11265 dataSize = 0; // prevent calloc events for all subsequent games
11266 return 0; // and signal this one isn't cached
11270 MakePieceList(board, counts);
11274 int QuickCompare(Board board, int *minCounts, int *maxCounts)
11275 { // compare according to search mode
11277 switch(appData.searchMode)
11279 case 1: // exact position match
11280 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11281 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11282 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11285 case 2: // can have extra material on empty squares
11286 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11287 if(board[r][f] == EmptySquare) continue;
11288 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11291 case 3: // material with exact Pawn structure
11292 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11293 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11294 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11295 } // fall through to material comparison
11296 case 4: // exact material
11297 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11299 case 6: // material range with given imbalance
11300 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11301 // fall through to range comparison
11302 case 5: // material range
11303 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11308 int QuickScan(Board board, Move *move)
11309 { // reconstruct game,and compare all positions in it
11310 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11312 int piece = move->piece;
11313 int to = move->to, from = pieceList[piece];
11314 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11315 if(!piece) return -1;
11316 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11317 piece = (++move)->piece;
11318 from = pieceList[piece];
11319 counts[pieceType[piece]]--;
11320 pieceType[piece] = (ChessSquare) move->to;
11321 counts[move->to]++;
11322 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11323 counts[pieceType[quickBoard[to]]]--;
11324 quickBoard[to] = 0; total--;
11327 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11328 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11329 from = pieceList[piece]; // so this must be King
11330 quickBoard[from] = 0;
11331 quickBoard[to] = piece;
11332 pieceList[piece] = to;
11337 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11338 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11339 quickBoard[from] = 0;
11340 quickBoard[to] = piece;
11341 pieceList[piece] = to;
11343 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11344 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11345 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11346 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11348 static int lastCounts[EmptySquare+1];
11350 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11351 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11352 } else stretch = 0;
11353 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11361 flipSearch = FALSE;
11362 CopyBoard(soughtBoard, boards[currentMove]);
11363 soughtTotal = MakePieceList(soughtBoard, maxSought);
11364 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11365 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11366 CopyBoard(reverseBoard, boards[currentMove]);
11367 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11368 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11369 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11370 reverseBoard[r][f] = piece;
11372 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11373 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11374 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11375 || (boards[currentMove][CASTLING][2] == NoRights ||
11376 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11377 && (boards[currentMove][CASTLING][5] == NoRights ||
11378 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11381 CopyBoard(flipBoard, soughtBoard);
11382 CopyBoard(rotateBoard, reverseBoard);
11383 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11384 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11385 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11388 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11389 if(appData.searchMode >= 5) {
11390 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11391 MakePieceList(soughtBoard, minSought);
11392 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11394 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11395 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11398 GameInfo dummyInfo;
11400 int GameContainsPosition(FILE *f, ListGame *lg)
11402 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11403 int fromX, fromY, toX, toY;
11405 static int initDone=FALSE;
11407 // weed out games based on numerical tag comparison
11408 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11409 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11410 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11411 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11413 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11416 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11417 else CopyBoard(boards[scratch], initialPosition); // default start position
11420 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11421 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11424 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11425 fseek(f, lg->offset, 0);
11428 yyboardindex = scratch;
11429 quickFlag = plyNr+1;
11434 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11440 if(plyNr) return -1; // after we have seen moves, this is for new game
11443 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11444 case ImpossibleMove:
11445 case WhiteWins: // game ends here with these four
11448 case GameUnfinished:
11452 if(appData.testLegality) return -1;
11453 case WhiteCapturesEnPassant:
11454 case BlackCapturesEnPassant:
11455 case WhitePromotion:
11456 case BlackPromotion:
11457 case WhiteNonPromotion:
11458 case BlackNonPromotion:
11460 case WhiteKingSideCastle:
11461 case WhiteQueenSideCastle:
11462 case BlackKingSideCastle:
11463 case BlackQueenSideCastle:
11464 case WhiteKingSideCastleWild:
11465 case WhiteQueenSideCastleWild:
11466 case BlackKingSideCastleWild:
11467 case BlackQueenSideCastleWild:
11468 case WhiteHSideCastleFR:
11469 case WhiteASideCastleFR:
11470 case BlackHSideCastleFR:
11471 case BlackASideCastleFR:
11472 fromX = currentMoveString[0] - AAA;
11473 fromY = currentMoveString[1] - ONE;
11474 toX = currentMoveString[2] - AAA;
11475 toY = currentMoveString[3] - ONE;
11476 promoChar = currentMoveString[4];
11480 fromX = next == WhiteDrop ?
11481 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11482 (int) CharToPiece(ToLower(currentMoveString[0]));
11484 toX = currentMoveString[2] - AAA;
11485 toY = currentMoveString[3] - ONE;
11488 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11490 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11491 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11492 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11493 if(appData.findMirror) {
11494 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11495 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11500 /* Load the nth game from open file f */
11502 LoadGame(f, gameNumber, title, useList)
11510 int gn = gameNumber;
11511 ListGame *lg = NULL;
11512 int numPGNTags = 0;
11514 GameMode oldGameMode;
11515 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11517 if (appData.debugMode)
11518 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11520 if (gameMode == Training )
11521 SetTrainingModeOff();
11523 oldGameMode = gameMode;
11524 if (gameMode != BeginningOfGame) {
11525 Reset(FALSE, TRUE);
11529 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11530 fclose(lastLoadGameFP);
11534 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11537 fseek(f, lg->offset, 0);
11538 GameListHighlight(gameNumber);
11539 pos = lg->position;
11543 DisplayError(_("Game number out of range"), 0);
11548 if (fseek(f, 0, 0) == -1) {
11549 if (f == lastLoadGameFP ?
11550 gameNumber == lastLoadGameNumber + 1 :
11554 DisplayError(_("Can't seek on game file"), 0);
11559 lastLoadGameFP = f;
11560 lastLoadGameNumber = gameNumber;
11561 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11562 lastLoadGameUseList = useList;
11566 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11567 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
11568 lg->gameInfo.black);
11570 } else if (*title != NULLCHAR) {
11571 if (gameNumber > 1) {
11572 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11575 DisplayTitle(title);
11579 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11580 gameMode = PlayFromGameFile;
11584 currentMove = forwardMostMove = backwardMostMove = 0;
11585 CopyBoard(boards[0], initialPosition);
11589 * Skip the first gn-1 games in the file.
11590 * Also skip over anything that precedes an identifiable
11591 * start of game marker, to avoid being confused by
11592 * garbage at the start of the file. Currently
11593 * recognized start of game markers are the move number "1",
11594 * the pattern "gnuchess .* game", the pattern
11595 * "^[#;%] [^ ]* game file", and a PGN tag block.
11596 * A game that starts with one of the latter two patterns
11597 * will also have a move number 1, possibly
11598 * following a position diagram.
11599 * 5-4-02: Let's try being more lenient and allowing a game to
11600 * start with an unnumbered move. Does that break anything?
11602 cm = lastLoadGameStart = EndOfFile;
11604 yyboardindex = forwardMostMove;
11605 cm = (ChessMove) Myylex();
11608 if (cmailMsgLoaded) {
11609 nCmailGames = CMAIL_MAX_GAMES - gn;
11612 DisplayError(_("Game not found in file"), 0);
11619 lastLoadGameStart = cm;
11622 case MoveNumberOne:
11623 switch (lastLoadGameStart) {
11628 case MoveNumberOne:
11630 gn--; /* count this game */
11631 lastLoadGameStart = cm;
11640 switch (lastLoadGameStart) {
11643 case MoveNumberOne:
11645 gn--; /* count this game */
11646 lastLoadGameStart = cm;
11649 lastLoadGameStart = cm; /* game counted already */
11657 yyboardindex = forwardMostMove;
11658 cm = (ChessMove) Myylex();
11659 } while (cm == PGNTag || cm == Comment);
11666 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11667 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11668 != CMAIL_OLD_RESULT) {
11670 cmailResult[ CMAIL_MAX_GAMES
11671 - gn - 1] = CMAIL_OLD_RESULT;
11677 /* Only a NormalMove can be at the start of a game
11678 * without a position diagram. */
11679 if (lastLoadGameStart == EndOfFile ) {
11681 lastLoadGameStart = MoveNumberOne;
11690 if (appData.debugMode)
11691 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11693 if (cm == XBoardGame) {
11694 /* Skip any header junk before position diagram and/or move 1 */
11696 yyboardindex = forwardMostMove;
11697 cm = (ChessMove) Myylex();
11699 if (cm == EndOfFile ||
11700 cm == GNUChessGame || cm == XBoardGame) {
11701 /* Empty game; pretend end-of-file and handle later */
11706 if (cm == MoveNumberOne || cm == PositionDiagram ||
11707 cm == PGNTag || cm == Comment)
11710 } else if (cm == GNUChessGame) {
11711 if (gameInfo.event != NULL) {
11712 free(gameInfo.event);
11714 gameInfo.event = StrSave(yy_text);
11717 startedFromSetupPosition = FALSE;
11718 while (cm == PGNTag) {
11719 if (appData.debugMode)
11720 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11721 err = ParsePGNTag(yy_text, &gameInfo);
11722 if (!err) numPGNTags++;
11724 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11725 if(gameInfo.variant != oldVariant) {
11726 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11727 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11728 InitPosition(TRUE);
11729 oldVariant = gameInfo.variant;
11730 if (appData.debugMode)
11731 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11735 if (gameInfo.fen != NULL) {
11736 Board initial_position;
11737 startedFromSetupPosition = TRUE;
11738 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11740 DisplayError(_("Bad FEN position in file"), 0);
11743 CopyBoard(boards[0], initial_position);
11744 if (blackPlaysFirst) {
11745 currentMove = forwardMostMove = backwardMostMove = 1;
11746 CopyBoard(boards[1], initial_position);
11747 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11748 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11749 timeRemaining[0][1] = whiteTimeRemaining;
11750 timeRemaining[1][1] = blackTimeRemaining;
11751 if (commentList[0] != NULL) {
11752 commentList[1] = commentList[0];
11753 commentList[0] = NULL;
11756 currentMove = forwardMostMove = backwardMostMove = 0;
11758 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11760 initialRulePlies = FENrulePlies;
11761 for( i=0; i< nrCastlingRights; i++ )
11762 initialRights[i] = initial_position[CASTLING][i];
11764 yyboardindex = forwardMostMove;
11765 free(gameInfo.fen);
11766 gameInfo.fen = NULL;
11769 yyboardindex = forwardMostMove;
11770 cm = (ChessMove) Myylex();
11772 /* Handle comments interspersed among the tags */
11773 while (cm == Comment) {
11775 if (appData.debugMode)
11776 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11778 AppendComment(currentMove, p, FALSE);
11779 yyboardindex = forwardMostMove;
11780 cm = (ChessMove) Myylex();
11784 /* don't rely on existence of Event tag since if game was
11785 * pasted from clipboard the Event tag may not exist
11787 if (numPGNTags > 0){
11789 if (gameInfo.variant == VariantNormal) {
11790 VariantClass v = StringToVariant(gameInfo.event);
11791 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11792 if(v < VariantShogi) gameInfo.variant = v;
11795 if( appData.autoDisplayTags ) {
11796 tags = PGNTags(&gameInfo);
11797 TagsPopUp(tags, CmailMsg());
11802 /* Make something up, but don't display it now */
11807 if (cm == PositionDiagram) {
11810 Board initial_position;
11812 if (appData.debugMode)
11813 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11815 if (!startedFromSetupPosition) {
11817 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11818 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11829 initial_position[i][j++] = CharToPiece(*p);
11832 while (*p == ' ' || *p == '\t' ||
11833 *p == '\n' || *p == '\r') p++;
11835 if (strncmp(p, "black", strlen("black"))==0)
11836 blackPlaysFirst = TRUE;
11838 blackPlaysFirst = FALSE;
11839 startedFromSetupPosition = TRUE;
11841 CopyBoard(boards[0], initial_position);
11842 if (blackPlaysFirst) {
11843 currentMove = forwardMostMove = backwardMostMove = 1;
11844 CopyBoard(boards[1], initial_position);
11845 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11846 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11847 timeRemaining[0][1] = whiteTimeRemaining;
11848 timeRemaining[1][1] = blackTimeRemaining;
11849 if (commentList[0] != NULL) {
11850 commentList[1] = commentList[0];
11851 commentList[0] = NULL;
11854 currentMove = forwardMostMove = backwardMostMove = 0;
11857 yyboardindex = forwardMostMove;
11858 cm = (ChessMove) Myylex();
11861 if (first.pr == NoProc) {
11862 StartChessProgram(&first);
11864 InitChessProgram(&first, FALSE);
11865 SendToProgram("force\n", &first);
11866 if (startedFromSetupPosition) {
11867 SendBoard(&first, forwardMostMove);
11868 if (appData.debugMode) {
11869 fprintf(debugFP, "Load Game\n");
11871 DisplayBothClocks();
11874 /* [HGM] server: flag to write setup moves in broadcast file as one */
11875 loadFlag = appData.suppressLoadMoves;
11877 while (cm == Comment) {
11879 if (appData.debugMode)
11880 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11882 AppendComment(currentMove, p, FALSE);
11883 yyboardindex = forwardMostMove;
11884 cm = (ChessMove) Myylex();
11887 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11888 cm == WhiteWins || cm == BlackWins ||
11889 cm == GameIsDrawn || cm == GameUnfinished) {
11890 DisplayMessage("", _("No moves in game"));
11891 if (cmailMsgLoaded) {
11892 if (appData.debugMode)
11893 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11897 DrawPosition(FALSE, boards[currentMove]);
11898 DisplayBothClocks();
11899 gameMode = EditGame;
11906 // [HGM] PV info: routine tests if comment empty
11907 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11908 DisplayComment(currentMove - 1, commentList[currentMove]);
11910 if (!matchMode && appData.timeDelay != 0)
11911 DrawPosition(FALSE, boards[currentMove]);
11913 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11914 programStats.ok_to_send = 1;
11917 /* if the first token after the PGN tags is a move
11918 * and not move number 1, retrieve it from the parser
11920 if (cm != MoveNumberOne)
11921 LoadGameOneMove(cm);
11923 /* load the remaining moves from the file */
11924 while (LoadGameOneMove(EndOfFile)) {
11925 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11926 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11929 /* rewind to the start of the game */
11930 currentMove = backwardMostMove;
11932 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11934 if (oldGameMode == AnalyzeFile ||
11935 oldGameMode == AnalyzeMode) {
11936 AnalyzeFileEvent();
11939 if (!matchMode && pos >= 0) {
11940 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11942 if (matchMode || appData.timeDelay == 0) {
11944 } else if (appData.timeDelay > 0) {
11945 AutoPlayGameLoop();
11948 if (appData.debugMode)
11949 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11951 loadFlag = 0; /* [HGM] true game starts */
11955 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11957 ReloadPosition(offset)
11960 int positionNumber = lastLoadPositionNumber + offset;
11961 if (lastLoadPositionFP == NULL) {
11962 DisplayError(_("No position has been loaded yet"), 0);
11965 if (positionNumber <= 0) {
11966 DisplayError(_("Can't back up any further"), 0);
11969 return LoadPosition(lastLoadPositionFP, positionNumber,
11970 lastLoadPositionTitle);
11973 /* Load the nth position from the given file */
11975 LoadPositionFromFile(filename, n, title)
11983 if (strcmp(filename, "-") == 0) {
11984 return LoadPosition(stdin, n, "stdin");
11986 f = fopen(filename, "rb");
11988 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11989 DisplayError(buf, errno);
11992 return LoadPosition(f, n, title);
11997 /* Load the nth position from the given open file, and close it */
11999 LoadPosition(f, positionNumber, title)
12001 int positionNumber;
12004 char *p, line[MSG_SIZ];
12005 Board initial_position;
12006 int i, j, fenMode, pn;
12008 if (gameMode == Training )
12009 SetTrainingModeOff();
12011 if (gameMode != BeginningOfGame) {
12012 Reset(FALSE, TRUE);
12014 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12015 fclose(lastLoadPositionFP);
12017 if (positionNumber == 0) positionNumber = 1;
12018 lastLoadPositionFP = f;
12019 lastLoadPositionNumber = positionNumber;
12020 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12021 if (first.pr == NoProc && !appData.noChessProgram) {
12022 StartChessProgram(&first);
12023 InitChessProgram(&first, FALSE);
12025 pn = positionNumber;
12026 if (positionNumber < 0) {
12027 /* Negative position number means to seek to that byte offset */
12028 if (fseek(f, -positionNumber, 0) == -1) {
12029 DisplayError(_("Can't seek on position file"), 0);
12034 if (fseek(f, 0, 0) == -1) {
12035 if (f == lastLoadPositionFP ?
12036 positionNumber == lastLoadPositionNumber + 1 :
12037 positionNumber == 1) {
12040 DisplayError(_("Can't seek on position file"), 0);
12045 /* See if this file is FEN or old-style xboard */
12046 if (fgets(line, MSG_SIZ, f) == NULL) {
12047 DisplayError(_("Position not found in file"), 0);
12050 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12051 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12054 if (fenMode || line[0] == '#') pn--;
12056 /* skip positions before number pn */
12057 if (fgets(line, MSG_SIZ, f) == NULL) {
12059 DisplayError(_("Position not found in file"), 0);
12062 if (fenMode || line[0] == '#') pn--;
12067 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12068 DisplayError(_("Bad FEN position in file"), 0);
12072 (void) fgets(line, MSG_SIZ, f);
12073 (void) fgets(line, MSG_SIZ, f);
12075 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12076 (void) fgets(line, MSG_SIZ, f);
12077 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12080 initial_position[i][j++] = CharToPiece(*p);
12084 blackPlaysFirst = FALSE;
12086 (void) fgets(line, MSG_SIZ, f);
12087 if (strncmp(line, "black", strlen("black"))==0)
12088 blackPlaysFirst = TRUE;
12091 startedFromSetupPosition = TRUE;
12093 CopyBoard(boards[0], initial_position);
12094 if (blackPlaysFirst) {
12095 currentMove = forwardMostMove = backwardMostMove = 1;
12096 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12097 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12098 CopyBoard(boards[1], initial_position);
12099 DisplayMessage("", _("Black to play"));
12101 currentMove = forwardMostMove = backwardMostMove = 0;
12102 DisplayMessage("", _("White to play"));
12104 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12105 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12106 SendToProgram("force\n", &first);
12107 SendBoard(&first, forwardMostMove);
12109 if (appData.debugMode) {
12111 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12112 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12113 fprintf(debugFP, "Load Position\n");
12116 if (positionNumber > 1) {
12117 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12118 DisplayTitle(line);
12120 DisplayTitle(title);
12122 gameMode = EditGame;
12125 timeRemaining[0][1] = whiteTimeRemaining;
12126 timeRemaining[1][1] = blackTimeRemaining;
12127 DrawPosition(FALSE, boards[currentMove]);
12134 CopyPlayerNameIntoFileName(dest, src)
12137 while (*src != NULLCHAR && *src != ',') {
12142 *(*dest)++ = *src++;
12147 char *DefaultFileName(ext)
12150 static char def[MSG_SIZ];
12153 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12155 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12157 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12159 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12166 /* Save the current game to the given file */
12168 SaveGameToFile(filename, append)
12174 int result, i, t,tot=0;
12176 if (strcmp(filename, "-") == 0) {
12177 return SaveGame(stdout, 0, NULL);
12179 for(i=0; i<10; i++) { // upto 10 tries
12180 f = fopen(filename, append ? "a" : "w");
12181 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12182 if(f || errno != 13) break;
12183 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12187 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12188 DisplayError(buf, errno);
12191 safeStrCpy(buf, lastMsg, MSG_SIZ);
12192 DisplayMessage(_("Waiting for access to save file"), "");
12193 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12194 DisplayMessage(_("Saving game"), "");
12195 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
12196 result = SaveGame(f, 0, NULL);
12197 DisplayMessage(buf, "");
12207 static char buf[MSG_SIZ];
12210 p = strchr(str, ' ');
12211 if (p == NULL) return str;
12212 strncpy(buf, str, p - str);
12213 buf[p - str] = NULLCHAR;
12217 #define PGN_MAX_LINE 75
12219 #define PGN_SIDE_WHITE 0
12220 #define PGN_SIDE_BLACK 1
12223 static int FindFirstMoveOutOfBook( int side )
12227 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12228 int index = backwardMostMove;
12229 int has_book_hit = 0;
12231 if( (index % 2) != side ) {
12235 while( index < forwardMostMove ) {
12236 /* Check to see if engine is in book */
12237 int depth = pvInfoList[index].depth;
12238 int score = pvInfoList[index].score;
12244 else if( score == 0 && depth == 63 ) {
12245 in_book = 1; /* Zappa */
12247 else if( score == 2 && depth == 99 ) {
12248 in_book = 1; /* Abrok */
12251 has_book_hit += in_book;
12267 void GetOutOfBookInfo( char * buf )
12271 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12273 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12274 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12278 if( oob[0] >= 0 || oob[1] >= 0 ) {
12279 for( i=0; i<2; i++ ) {
12283 if( i > 0 && oob[0] >= 0 ) {
12284 strcat( buf, " " );
12287 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12288 sprintf( buf+strlen(buf), "%s%.2f",
12289 pvInfoList[idx].score >= 0 ? "+" : "",
12290 pvInfoList[idx].score / 100.0 );
12296 /* Save game in PGN style and close the file */
12301 int i, offset, linelen, newblock;
12305 int movelen, numlen, blank;
12306 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12308 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12310 tm = time((time_t *) NULL);
12312 PrintPGNTags(f, &gameInfo);
12314 if (backwardMostMove > 0 || startedFromSetupPosition) {
12315 char *fen = PositionToFEN(backwardMostMove, NULL);
12316 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12317 fprintf(f, "\n{--------------\n");
12318 PrintPosition(f, backwardMostMove);
12319 fprintf(f, "--------------}\n");
12323 /* [AS] Out of book annotation */
12324 if( appData.saveOutOfBookInfo ) {
12327 GetOutOfBookInfo( buf );
12329 if( buf[0] != '\0' ) {
12330 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12337 i = backwardMostMove;
12341 while (i < forwardMostMove) {
12342 /* Print comments preceding this move */
12343 if (commentList[i] != NULL) {
12344 if (linelen > 0) fprintf(f, "\n");
12345 fprintf(f, "%s", commentList[i]);
12350 /* Format move number */
12352 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12355 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12357 numtext[0] = NULLCHAR;
12359 numlen = strlen(numtext);
12362 /* Print move number */
12363 blank = linelen > 0 && numlen > 0;
12364 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12373 fprintf(f, "%s", numtext);
12377 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12378 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12381 blank = linelen > 0 && movelen > 0;
12382 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12391 fprintf(f, "%s", move_buffer);
12392 linelen += movelen;
12394 /* [AS] Add PV info if present */
12395 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12396 /* [HGM] add time */
12397 char buf[MSG_SIZ]; int seconds;
12399 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12405 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12408 seconds = (seconds + 4)/10; // round to full seconds
12410 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12412 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12415 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12416 pvInfoList[i].score >= 0 ? "+" : "",
12417 pvInfoList[i].score / 100.0,
12418 pvInfoList[i].depth,
12421 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12423 /* Print score/depth */
12424 blank = linelen > 0 && movelen > 0;
12425 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12434 fprintf(f, "%s", move_buffer);
12435 linelen += movelen;
12441 /* Start a new line */
12442 if (linelen > 0) fprintf(f, "\n");
12444 /* Print comments after last move */
12445 if (commentList[i] != NULL) {
12446 fprintf(f, "%s\n", commentList[i]);
12450 if (gameInfo.resultDetails != NULL &&
12451 gameInfo.resultDetails[0] != NULLCHAR) {
12452 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12453 PGNResult(gameInfo.result));
12455 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12459 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12463 /* Save game in old style and close the file */
12465 SaveGameOldStyle(f)
12471 tm = time((time_t *) NULL);
12473 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12476 if (backwardMostMove > 0 || startedFromSetupPosition) {
12477 fprintf(f, "\n[--------------\n");
12478 PrintPosition(f, backwardMostMove);
12479 fprintf(f, "--------------]\n");
12484 i = backwardMostMove;
12485 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12487 while (i < forwardMostMove) {
12488 if (commentList[i] != NULL) {
12489 fprintf(f, "[%s]\n", commentList[i]);
12492 if ((i % 2) == 1) {
12493 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12496 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12498 if (commentList[i] != NULL) {
12502 if (i >= forwardMostMove) {
12506 fprintf(f, "%s\n", parseList[i]);
12511 if (commentList[i] != NULL) {
12512 fprintf(f, "[%s]\n", commentList[i]);
12515 /* This isn't really the old style, but it's close enough */
12516 if (gameInfo.resultDetails != NULL &&
12517 gameInfo.resultDetails[0] != NULLCHAR) {
12518 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12519 gameInfo.resultDetails);
12521 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12528 /* Save the current game to open file f and close the file */
12530 SaveGame(f, dummy, dummy2)
12535 if (gameMode == EditPosition) EditPositionDone(TRUE);
12536 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12537 if (appData.oldSaveStyle)
12538 return SaveGameOldStyle(f);
12540 return SaveGamePGN(f);
12543 /* Save the current position to the given file */
12545 SavePositionToFile(filename)
12551 if (strcmp(filename, "-") == 0) {
12552 return SavePosition(stdout, 0, NULL);
12554 f = fopen(filename, "a");
12556 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12557 DisplayError(buf, errno);
12560 safeStrCpy(buf, lastMsg, MSG_SIZ);
12561 DisplayMessage(_("Waiting for access to save file"), "");
12562 flock(fileno(f), LOCK_EX); // [HGM] lock
12563 DisplayMessage(_("Saving position"), "");
12564 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12565 SavePosition(f, 0, NULL);
12566 DisplayMessage(buf, "");
12572 /* Save the current position to the given open file and close the file */
12574 SavePosition(f, dummy, dummy2)
12582 if (gameMode == EditPosition) EditPositionDone(TRUE);
12583 if (appData.oldSaveStyle) {
12584 tm = time((time_t *) NULL);
12586 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12588 fprintf(f, "[--------------\n");
12589 PrintPosition(f, currentMove);
12590 fprintf(f, "--------------]\n");
12592 fen = PositionToFEN(currentMove, NULL);
12593 fprintf(f, "%s\n", fen);
12601 ReloadCmailMsgEvent(unregister)
12605 static char *inFilename = NULL;
12606 static char *outFilename;
12608 struct stat inbuf, outbuf;
12611 /* Any registered moves are unregistered if unregister is set, */
12612 /* i.e. invoked by the signal handler */
12614 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12615 cmailMoveRegistered[i] = FALSE;
12616 if (cmailCommentList[i] != NULL) {
12617 free(cmailCommentList[i]);
12618 cmailCommentList[i] = NULL;
12621 nCmailMovesRegistered = 0;
12624 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12625 cmailResult[i] = CMAIL_NOT_RESULT;
12629 if (inFilename == NULL) {
12630 /* Because the filenames are static they only get malloced once */
12631 /* and they never get freed */
12632 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12633 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12635 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12636 sprintf(outFilename, "%s.out", appData.cmailGameName);
12639 status = stat(outFilename, &outbuf);
12641 cmailMailedMove = FALSE;
12643 status = stat(inFilename, &inbuf);
12644 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12647 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12648 counts the games, notes how each one terminated, etc.
12650 It would be nice to remove this kludge and instead gather all
12651 the information while building the game list. (And to keep it
12652 in the game list nodes instead of having a bunch of fixed-size
12653 parallel arrays.) Note this will require getting each game's
12654 termination from the PGN tags, as the game list builder does
12655 not process the game moves. --mann
12657 cmailMsgLoaded = TRUE;
12658 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12660 /* Load first game in the file or popup game menu */
12661 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12663 #endif /* !WIN32 */
12671 char string[MSG_SIZ];
12673 if ( cmailMailedMove
12674 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12675 return TRUE; /* Allow free viewing */
12678 /* Unregister move to ensure that we don't leave RegisterMove */
12679 /* with the move registered when the conditions for registering no */
12681 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12682 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12683 nCmailMovesRegistered --;
12685 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12687 free(cmailCommentList[lastLoadGameNumber - 1]);
12688 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12692 if (cmailOldMove == -1) {
12693 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12697 if (currentMove > cmailOldMove + 1) {
12698 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12702 if (currentMove < cmailOldMove) {
12703 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12707 if (forwardMostMove > currentMove) {
12708 /* Silently truncate extra moves */
12712 if ( (currentMove == cmailOldMove + 1)
12713 || ( (currentMove == cmailOldMove)
12714 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12715 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12716 if (gameInfo.result != GameUnfinished) {
12717 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12720 if (commentList[currentMove] != NULL) {
12721 cmailCommentList[lastLoadGameNumber - 1]
12722 = StrSave(commentList[currentMove]);
12724 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12726 if (appData.debugMode)
12727 fprintf(debugFP, "Saving %s for game %d\n",
12728 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12730 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12732 f = fopen(string, "w");
12733 if (appData.oldSaveStyle) {
12734 SaveGameOldStyle(f); /* also closes the file */
12736 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12737 f = fopen(string, "w");
12738 SavePosition(f, 0, NULL); /* also closes the file */
12740 fprintf(f, "{--------------\n");
12741 PrintPosition(f, currentMove);
12742 fprintf(f, "--------------}\n\n");
12744 SaveGame(f, 0, NULL); /* also closes the file*/
12747 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12748 nCmailMovesRegistered ++;
12749 } else if (nCmailGames == 1) {
12750 DisplayError(_("You have not made a move yet"), 0);
12761 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12762 FILE *commandOutput;
12763 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12764 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12770 if (! cmailMsgLoaded) {
12771 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12775 if (nCmailGames == nCmailResults) {
12776 DisplayError(_("No unfinished games"), 0);
12780 #if CMAIL_PROHIBIT_REMAIL
12781 if (cmailMailedMove) {
12782 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);
12783 DisplayError(msg, 0);
12788 if (! (cmailMailedMove || RegisterMove())) return;
12790 if ( cmailMailedMove
12791 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12792 snprintf(string, MSG_SIZ, partCommandString,
12793 appData.debugMode ? " -v" : "", appData.cmailGameName);
12794 commandOutput = popen(string, "r");
12796 if (commandOutput == NULL) {
12797 DisplayError(_("Failed to invoke cmail"), 0);
12799 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12800 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12802 if (nBuffers > 1) {
12803 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12804 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12805 nBytes = MSG_SIZ - 1;
12807 (void) memcpy(msg, buffer, nBytes);
12809 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12811 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12812 cmailMailedMove = TRUE; /* Prevent >1 moves */
12815 for (i = 0; i < nCmailGames; i ++) {
12816 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12821 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12823 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12825 appData.cmailGameName,
12827 LoadGameFromFile(buffer, 1, buffer, FALSE);
12828 cmailMsgLoaded = FALSE;
12832 DisplayInformation(msg);
12833 pclose(commandOutput);
12836 if ((*cmailMsg) != '\0') {
12837 DisplayInformation(cmailMsg);
12842 #endif /* !WIN32 */
12851 int prependComma = 0;
12853 char string[MSG_SIZ]; /* Space for game-list */
12856 if (!cmailMsgLoaded) return "";
12858 if (cmailMailedMove) {
12859 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12861 /* Create a list of games left */
12862 snprintf(string, MSG_SIZ, "[");
12863 for (i = 0; i < nCmailGames; i ++) {
12864 if (! ( cmailMoveRegistered[i]
12865 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12866 if (prependComma) {
12867 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12869 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12873 strcat(string, number);
12876 strcat(string, "]");
12878 if (nCmailMovesRegistered + nCmailResults == 0) {
12879 switch (nCmailGames) {
12881 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12885 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12889 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12894 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12896 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12901 if (nCmailResults == nCmailGames) {
12902 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12904 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12909 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12921 if (gameMode == Training)
12922 SetTrainingModeOff();
12925 cmailMsgLoaded = FALSE;
12926 if (appData.icsActive) {
12927 SendToICS(ics_prefix);
12928 SendToICS("refresh\n");
12938 /* Give up on clean exit */
12942 /* Keep trying for clean exit */
12946 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12948 if (telnetISR != NULL) {
12949 RemoveInputSource(telnetISR);
12951 if (icsPR != NoProc) {
12952 DestroyChildProcess(icsPR, TRUE);
12955 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12956 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12958 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12959 /* make sure this other one finishes before killing it! */
12960 if(endingGame) { int count = 0;
12961 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12962 while(endingGame && count++ < 10) DoSleep(1);
12963 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12966 /* Kill off chess programs */
12967 if (first.pr != NoProc) {
12970 DoSleep( appData.delayBeforeQuit );
12971 SendToProgram("quit\n", &first);
12972 DoSleep( appData.delayAfterQuit );
12973 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12975 if (second.pr != NoProc) {
12976 DoSleep( appData.delayBeforeQuit );
12977 SendToProgram("quit\n", &second);
12978 DoSleep( appData.delayAfterQuit );
12979 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12981 if (first.isr != NULL) {
12982 RemoveInputSource(first.isr);
12984 if (second.isr != NULL) {
12985 RemoveInputSource(second.isr);
12988 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12989 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12991 ShutDownFrontEnd();
12998 if (appData.debugMode)
12999 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13003 if (gameMode == MachinePlaysWhite ||
13004 gameMode == MachinePlaysBlack) {
13007 DisplayBothClocks();
13009 if (gameMode == PlayFromGameFile) {
13010 if (appData.timeDelay >= 0)
13011 AutoPlayGameLoop();
13012 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13013 Reset(FALSE, TRUE);
13014 SendToICS(ics_prefix);
13015 SendToICS("refresh\n");
13016 } else if (currentMove < forwardMostMove) {
13017 ForwardInner(forwardMostMove);
13019 pauseExamInvalid = FALSE;
13021 switch (gameMode) {
13025 pauseExamForwardMostMove = forwardMostMove;
13026 pauseExamInvalid = FALSE;
13029 case IcsPlayingWhite:
13030 case IcsPlayingBlack:
13034 case PlayFromGameFile:
13035 (void) StopLoadGameTimer();
13039 case BeginningOfGame:
13040 if (appData.icsActive) return;
13041 /* else fall through */
13042 case MachinePlaysWhite:
13043 case MachinePlaysBlack:
13044 case TwoMachinesPlay:
13045 if (forwardMostMove == 0)
13046 return; /* don't pause if no one has moved */
13047 if ((gameMode == MachinePlaysWhite &&
13048 !WhiteOnMove(forwardMostMove)) ||
13049 (gameMode == MachinePlaysBlack &&
13050 WhiteOnMove(forwardMostMove))) {
13063 char title[MSG_SIZ];
13065 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13066 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13068 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13069 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13070 parseList[currentMove - 1]);
13073 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13080 char *tags = PGNTags(&gameInfo);
13082 EditTagsPopUp(tags, NULL);
13089 if (appData.noChessProgram || gameMode == AnalyzeMode)
13092 if (gameMode != AnalyzeFile) {
13093 if (!appData.icsEngineAnalyze) {
13095 if (gameMode != EditGame) return;
13097 ResurrectChessProgram();
13098 SendToProgram("analyze\n", &first);
13099 first.analyzing = TRUE;
13100 /*first.maybeThinking = TRUE;*/
13101 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13102 EngineOutputPopUp();
13104 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13109 StartAnalysisClock();
13110 GetTimeMark(&lastNodeCountTime);
13117 if (appData.noChessProgram || gameMode == AnalyzeFile)
13120 if (gameMode != AnalyzeMode) {
13122 if (gameMode != EditGame) return;
13123 ResurrectChessProgram();
13124 SendToProgram("analyze\n", &first);
13125 first.analyzing = TRUE;
13126 /*first.maybeThinking = TRUE;*/
13127 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13128 EngineOutputPopUp();
13130 gameMode = AnalyzeFile;
13135 StartAnalysisClock();
13136 GetTimeMark(&lastNodeCountTime);
13138 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13142 MachineWhiteEvent()
13145 char *bookHit = NULL;
13147 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13151 if (gameMode == PlayFromGameFile ||
13152 gameMode == TwoMachinesPlay ||
13153 gameMode == Training ||
13154 gameMode == AnalyzeMode ||
13155 gameMode == EndOfGame)
13158 if (gameMode == EditPosition)
13159 EditPositionDone(TRUE);
13161 if (!WhiteOnMove(currentMove)) {
13162 DisplayError(_("It is not White's turn"), 0);
13166 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13169 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13170 gameMode == AnalyzeFile)
13173 ResurrectChessProgram(); /* in case it isn't running */
13174 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13175 gameMode = MachinePlaysWhite;
13178 gameMode = MachinePlaysWhite;
13182 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13184 if (first.sendName) {
13185 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13186 SendToProgram(buf, &first);
13188 if (first.sendTime) {
13189 if (first.useColors) {
13190 SendToProgram("black\n", &first); /*gnu kludge*/
13192 SendTimeRemaining(&first, TRUE);
13194 if (first.useColors) {
13195 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13197 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13198 SetMachineThinkingEnables();
13199 first.maybeThinking = TRUE;
13203 if (appData.autoFlipView && !flipView) {
13204 flipView = !flipView;
13205 DrawPosition(FALSE, NULL);
13206 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13209 if(bookHit) { // [HGM] book: simulate book reply
13210 static char bookMove[MSG_SIZ]; // a bit generous?
13212 programStats.nodes = programStats.depth = programStats.time =
13213 programStats.score = programStats.got_only_move = 0;
13214 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13216 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13217 strcat(bookMove, bookHit);
13218 HandleMachineMove(bookMove, &first);
13223 MachineBlackEvent()
13226 char *bookHit = NULL;
13228 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13232 if (gameMode == PlayFromGameFile ||
13233 gameMode == TwoMachinesPlay ||
13234 gameMode == Training ||
13235 gameMode == AnalyzeMode ||
13236 gameMode == EndOfGame)
13239 if (gameMode == EditPosition)
13240 EditPositionDone(TRUE);
13242 if (WhiteOnMove(currentMove)) {
13243 DisplayError(_("It is not Black's turn"), 0);
13247 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13250 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13251 gameMode == AnalyzeFile)
13254 ResurrectChessProgram(); /* in case it isn't running */
13255 gameMode = MachinePlaysBlack;
13259 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13261 if (first.sendName) {
13262 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13263 SendToProgram(buf, &first);
13265 if (first.sendTime) {
13266 if (first.useColors) {
13267 SendToProgram("white\n", &first); /*gnu kludge*/
13269 SendTimeRemaining(&first, FALSE);
13271 if (first.useColors) {
13272 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13274 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13275 SetMachineThinkingEnables();
13276 first.maybeThinking = TRUE;
13279 if (appData.autoFlipView && flipView) {
13280 flipView = !flipView;
13281 DrawPosition(FALSE, NULL);
13282 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13284 if(bookHit) { // [HGM] book: simulate book reply
13285 static char bookMove[MSG_SIZ]; // a bit generous?
13287 programStats.nodes = programStats.depth = programStats.time =
13288 programStats.score = programStats.got_only_move = 0;
13289 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13291 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13292 strcat(bookMove, bookHit);
13293 HandleMachineMove(bookMove, &first);
13299 DisplayTwoMachinesTitle()
13302 if (appData.matchGames > 0) {
13303 if(appData.tourneyFile[0]) {
13304 snprintf(buf, MSG_SIZ, "%s vs. %s (%d/%d%s)",
13305 gameInfo.white, gameInfo.black,
13306 nextGame+1, appData.matchGames+1,
13307 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13309 if (first.twoMachinesColor[0] == 'w') {
13310 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13311 gameInfo.white, gameInfo.black,
13312 first.matchWins, second.matchWins,
13313 matchGame - 1 - (first.matchWins + second.matchWins));
13315 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13316 gameInfo.white, gameInfo.black,
13317 second.matchWins, first.matchWins,
13318 matchGame - 1 - (first.matchWins + second.matchWins));
13321 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13327 SettingsMenuIfReady()
13329 if (second.lastPing != second.lastPong) {
13330 DisplayMessage("", _("Waiting for second chess program"));
13331 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13335 DisplayMessage("", "");
13336 SettingsPopUp(&second);
13340 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
13343 if (cps->pr == NoProc) {
13344 StartChessProgram(cps);
13345 if (cps->protocolVersion == 1) {
13348 /* kludge: allow timeout for initial "feature" command */
13350 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13351 DisplayMessage("", buf);
13352 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13360 TwoMachinesEvent P((void))
13364 ChessProgramState *onmove;
13365 char *bookHit = NULL;
13366 static int stalling = 0;
13370 if (appData.noChessProgram) return;
13372 switch (gameMode) {
13373 case TwoMachinesPlay:
13375 case MachinePlaysWhite:
13376 case MachinePlaysBlack:
13377 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13378 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13382 case BeginningOfGame:
13383 case PlayFromGameFile:
13386 if (gameMode != EditGame) return;
13389 EditPositionDone(TRUE);
13400 // forwardMostMove = currentMove;
13401 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13403 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13405 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13406 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13407 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13411 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13412 SendToProgram("force\n", &second);
13414 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13417 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13418 if(appData.matchPause>10000 || appData.matchPause<10)
13419 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13420 wait = SubtractTimeMarks(&now, &pauseStart);
13421 if(wait < appData.matchPause) {
13422 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13426 DisplayMessage("", "");
13427 if (startedFromSetupPosition) {
13428 SendBoard(&second, backwardMostMove);
13429 if (appData.debugMode) {
13430 fprintf(debugFP, "Two Machines\n");
13433 for (i = backwardMostMove; i < forwardMostMove; i++) {
13434 SendMoveToProgram(i, &second);
13437 gameMode = TwoMachinesPlay;
13439 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13441 DisplayTwoMachinesTitle();
13443 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13448 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13449 SendToProgram(first.computerString, &first);
13450 if (first.sendName) {
13451 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13452 SendToProgram(buf, &first);
13454 SendToProgram(second.computerString, &second);
13455 if (second.sendName) {
13456 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13457 SendToProgram(buf, &second);
13461 if (!first.sendTime || !second.sendTime) {
13462 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13463 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13465 if (onmove->sendTime) {
13466 if (onmove->useColors) {
13467 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13469 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13471 if (onmove->useColors) {
13472 SendToProgram(onmove->twoMachinesColor, onmove);
13474 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13475 // SendToProgram("go\n", onmove);
13476 onmove->maybeThinking = TRUE;
13477 SetMachineThinkingEnables();
13481 if(bookHit) { // [HGM] book: simulate book reply
13482 static char bookMove[MSG_SIZ]; // a bit generous?
13484 programStats.nodes = programStats.depth = programStats.time =
13485 programStats.score = programStats.got_only_move = 0;
13486 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13488 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13489 strcat(bookMove, bookHit);
13490 savedMessage = bookMove; // args for deferred call
13491 savedState = onmove;
13492 ScheduleDelayedEvent(DeferredBookMove, 1);
13499 if (gameMode == Training) {
13500 SetTrainingModeOff();
13501 gameMode = PlayFromGameFile;
13502 DisplayMessage("", _("Training mode off"));
13504 gameMode = Training;
13505 animateTraining = appData.animate;
13507 /* make sure we are not already at the end of the game */
13508 if (currentMove < forwardMostMove) {
13509 SetTrainingModeOn();
13510 DisplayMessage("", _("Training mode on"));
13512 gameMode = PlayFromGameFile;
13513 DisplayError(_("Already at end of game"), 0);
13522 if (!appData.icsActive) return;
13523 switch (gameMode) {
13524 case IcsPlayingWhite:
13525 case IcsPlayingBlack:
13528 case BeginningOfGame:
13536 EditPositionDone(TRUE);
13549 gameMode = IcsIdle;
13560 switch (gameMode) {
13562 SetTrainingModeOff();
13564 case MachinePlaysWhite:
13565 case MachinePlaysBlack:
13566 case BeginningOfGame:
13567 SendToProgram("force\n", &first);
13568 SetUserThinkingEnables();
13570 case PlayFromGameFile:
13571 (void) StopLoadGameTimer();
13572 if (gameFileFP != NULL) {
13577 EditPositionDone(TRUE);
13582 SendToProgram("force\n", &first);
13584 case TwoMachinesPlay:
13585 GameEnds(EndOfFile, NULL, GE_PLAYER);
13586 ResurrectChessProgram();
13587 SetUserThinkingEnables();
13590 ResurrectChessProgram();
13592 case IcsPlayingBlack:
13593 case IcsPlayingWhite:
13594 DisplayError(_("Warning: You are still playing a game"), 0);
13597 DisplayError(_("Warning: You are still observing a game"), 0);
13600 DisplayError(_("Warning: You are still examining a game"), 0);
13611 first.offeredDraw = second.offeredDraw = 0;
13613 if (gameMode == PlayFromGameFile) {
13614 whiteTimeRemaining = timeRemaining[0][currentMove];
13615 blackTimeRemaining = timeRemaining[1][currentMove];
13619 if (gameMode == MachinePlaysWhite ||
13620 gameMode == MachinePlaysBlack ||
13621 gameMode == TwoMachinesPlay ||
13622 gameMode == EndOfGame) {
13623 i = forwardMostMove;
13624 while (i > currentMove) {
13625 SendToProgram("undo\n", &first);
13628 if(!adjustedClock) {
13629 whiteTimeRemaining = timeRemaining[0][currentMove];
13630 blackTimeRemaining = timeRemaining[1][currentMove];
13631 DisplayBothClocks();
13633 if (whiteFlag || blackFlag) {
13634 whiteFlag = blackFlag = 0;
13639 gameMode = EditGame;
13646 EditPositionEvent()
13648 if (gameMode == EditPosition) {
13654 if (gameMode != EditGame) return;
13656 gameMode = EditPosition;
13659 if (currentMove > 0)
13660 CopyBoard(boards[0], boards[currentMove]);
13662 blackPlaysFirst = !WhiteOnMove(currentMove);
13664 currentMove = forwardMostMove = backwardMostMove = 0;
13665 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13672 /* [DM] icsEngineAnalyze - possible call from other functions */
13673 if (appData.icsEngineAnalyze) {
13674 appData.icsEngineAnalyze = FALSE;
13676 DisplayMessage("",_("Close ICS engine analyze..."));
13678 if (first.analysisSupport && first.analyzing) {
13679 SendToProgram("exit\n", &first);
13680 first.analyzing = FALSE;
13682 thinkOutput[0] = NULLCHAR;
13686 EditPositionDone(Boolean fakeRights)
13688 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13690 startedFromSetupPosition = TRUE;
13691 InitChessProgram(&first, FALSE);
13692 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13693 boards[0][EP_STATUS] = EP_NONE;
13694 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13695 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13696 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13697 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13698 } else boards[0][CASTLING][2] = NoRights;
13699 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13700 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13701 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13702 } else boards[0][CASTLING][5] = NoRights;
13704 SendToProgram("force\n", &first);
13705 if (blackPlaysFirst) {
13706 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13707 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13708 currentMove = forwardMostMove = backwardMostMove = 1;
13709 CopyBoard(boards[1], boards[0]);
13711 currentMove = forwardMostMove = backwardMostMove = 0;
13713 SendBoard(&first, forwardMostMove);
13714 if (appData.debugMode) {
13715 fprintf(debugFP, "EditPosDone\n");
13718 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13719 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13720 gameMode = EditGame;
13722 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13723 ClearHighlights(); /* [AS] */
13726 /* Pause for `ms' milliseconds */
13727 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13737 } while (SubtractTimeMarks(&m2, &m1) < ms);
13740 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13742 SendMultiLineToICS(buf)
13745 char temp[MSG_SIZ+1], *p;
13752 strncpy(temp, buf, len);
13757 if (*p == '\n' || *p == '\r')
13762 strcat(temp, "\n");
13764 SendToPlayer(temp, strlen(temp));
13768 SetWhiteToPlayEvent()
13770 if (gameMode == EditPosition) {
13771 blackPlaysFirst = FALSE;
13772 DisplayBothClocks(); /* works because currentMove is 0 */
13773 } else if (gameMode == IcsExamining) {
13774 SendToICS(ics_prefix);
13775 SendToICS("tomove white\n");
13780 SetBlackToPlayEvent()
13782 if (gameMode == EditPosition) {
13783 blackPlaysFirst = TRUE;
13784 currentMove = 1; /* kludge */
13785 DisplayBothClocks();
13787 } else if (gameMode == IcsExamining) {
13788 SendToICS(ics_prefix);
13789 SendToICS("tomove black\n");
13794 EditPositionMenuEvent(selection, x, y)
13795 ChessSquare selection;
13799 ChessSquare piece = boards[0][y][x];
13801 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13803 switch (selection) {
13805 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13806 SendToICS(ics_prefix);
13807 SendToICS("bsetup clear\n");
13808 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13809 SendToICS(ics_prefix);
13810 SendToICS("clearboard\n");
13812 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13813 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13814 for (y = 0; y < BOARD_HEIGHT; y++) {
13815 if (gameMode == IcsExamining) {
13816 if (boards[currentMove][y][x] != EmptySquare) {
13817 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13822 boards[0][y][x] = p;
13827 if (gameMode == EditPosition) {
13828 DrawPosition(FALSE, boards[0]);
13833 SetWhiteToPlayEvent();
13837 SetBlackToPlayEvent();
13841 if (gameMode == IcsExamining) {
13842 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13843 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13846 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13847 if(x == BOARD_LEFT-2) {
13848 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13849 boards[0][y][1] = 0;
13851 if(x == BOARD_RGHT+1) {
13852 if(y >= gameInfo.holdingsSize) break;
13853 boards[0][y][BOARD_WIDTH-2] = 0;
13856 boards[0][y][x] = EmptySquare;
13857 DrawPosition(FALSE, boards[0]);
13862 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13863 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13864 selection = (ChessSquare) (PROMOTED piece);
13865 } else if(piece == EmptySquare) selection = WhiteSilver;
13866 else selection = (ChessSquare)((int)piece - 1);
13870 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13871 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13872 selection = (ChessSquare) (DEMOTED piece);
13873 } else if(piece == EmptySquare) selection = BlackSilver;
13874 else selection = (ChessSquare)((int)piece + 1);
13879 if(gameInfo.variant == VariantShatranj ||
13880 gameInfo.variant == VariantXiangqi ||
13881 gameInfo.variant == VariantCourier ||
13882 gameInfo.variant == VariantMakruk )
13883 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13888 if(gameInfo.variant == VariantXiangqi)
13889 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13890 if(gameInfo.variant == VariantKnightmate)
13891 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13894 if (gameMode == IcsExamining) {
13895 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13896 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13897 PieceToChar(selection), AAA + x, ONE + y);
13900 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13902 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13903 n = PieceToNumber(selection - BlackPawn);
13904 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13905 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13906 boards[0][BOARD_HEIGHT-1-n][1]++;
13908 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13909 n = PieceToNumber(selection);
13910 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13911 boards[0][n][BOARD_WIDTH-1] = selection;
13912 boards[0][n][BOARD_WIDTH-2]++;
13915 boards[0][y][x] = selection;
13916 DrawPosition(TRUE, boards[0]);
13924 DropMenuEvent(selection, x, y)
13925 ChessSquare selection;
13928 ChessMove moveType;
13930 switch (gameMode) {
13931 case IcsPlayingWhite:
13932 case MachinePlaysBlack:
13933 if (!WhiteOnMove(currentMove)) {
13934 DisplayMoveError(_("It is Black's turn"));
13937 moveType = WhiteDrop;
13939 case IcsPlayingBlack:
13940 case MachinePlaysWhite:
13941 if (WhiteOnMove(currentMove)) {
13942 DisplayMoveError(_("It is White's turn"));
13945 moveType = BlackDrop;
13948 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13954 if (moveType == BlackDrop && selection < BlackPawn) {
13955 selection = (ChessSquare) ((int) selection
13956 + (int) BlackPawn - (int) WhitePawn);
13958 if (boards[currentMove][y][x] != EmptySquare) {
13959 DisplayMoveError(_("That square is occupied"));
13963 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13969 /* Accept a pending offer of any kind from opponent */
13971 if (appData.icsActive) {
13972 SendToICS(ics_prefix);
13973 SendToICS("accept\n");
13974 } else if (cmailMsgLoaded) {
13975 if (currentMove == cmailOldMove &&
13976 commentList[cmailOldMove] != NULL &&
13977 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13978 "Black offers a draw" : "White offers a draw")) {
13980 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13981 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13983 DisplayError(_("There is no pending offer on this move"), 0);
13984 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13987 /* Not used for offers from chess program */
13994 /* Decline a pending offer of any kind from opponent */
13996 if (appData.icsActive) {
13997 SendToICS(ics_prefix);
13998 SendToICS("decline\n");
13999 } else if (cmailMsgLoaded) {
14000 if (currentMove == cmailOldMove &&
14001 commentList[cmailOldMove] != NULL &&
14002 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14003 "Black offers a draw" : "White offers a draw")) {
14005 AppendComment(cmailOldMove, "Draw declined", TRUE);
14006 DisplayComment(cmailOldMove - 1, "Draw declined");
14009 DisplayError(_("There is no pending offer on this move"), 0);
14012 /* Not used for offers from chess program */
14019 /* Issue ICS rematch command */
14020 if (appData.icsActive) {
14021 SendToICS(ics_prefix);
14022 SendToICS("rematch\n");
14029 /* Call your opponent's flag (claim a win on time) */
14030 if (appData.icsActive) {
14031 SendToICS(ics_prefix);
14032 SendToICS("flag\n");
14034 switch (gameMode) {
14037 case MachinePlaysWhite:
14040 GameEnds(GameIsDrawn, "Both players ran out of time",
14043 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14045 DisplayError(_("Your opponent is not out of time"), 0);
14048 case MachinePlaysBlack:
14051 GameEnds(GameIsDrawn, "Both players ran out of time",
14054 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14056 DisplayError(_("Your opponent is not out of time"), 0);
14064 ClockClick(int which)
14065 { // [HGM] code moved to back-end from winboard.c
14066 if(which) { // black clock
14067 if (gameMode == EditPosition || gameMode == IcsExamining) {
14068 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14069 SetBlackToPlayEvent();
14070 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14071 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14072 } else if (shiftKey) {
14073 AdjustClock(which, -1);
14074 } else if (gameMode == IcsPlayingWhite ||
14075 gameMode == MachinePlaysBlack) {
14078 } else { // white clock
14079 if (gameMode == EditPosition || gameMode == IcsExamining) {
14080 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14081 SetWhiteToPlayEvent();
14082 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14083 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14084 } else if (shiftKey) {
14085 AdjustClock(which, -1);
14086 } else if (gameMode == IcsPlayingBlack ||
14087 gameMode == MachinePlaysWhite) {
14096 /* Offer draw or accept pending draw offer from opponent */
14098 if (appData.icsActive) {
14099 /* Note: tournament rules require draw offers to be
14100 made after you make your move but before you punch
14101 your clock. Currently ICS doesn't let you do that;
14102 instead, you immediately punch your clock after making
14103 a move, but you can offer a draw at any time. */
14105 SendToICS(ics_prefix);
14106 SendToICS("draw\n");
14107 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14108 } else if (cmailMsgLoaded) {
14109 if (currentMove == cmailOldMove &&
14110 commentList[cmailOldMove] != NULL &&
14111 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14112 "Black offers a draw" : "White offers a draw")) {
14113 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14114 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14115 } else if (currentMove == cmailOldMove + 1) {
14116 char *offer = WhiteOnMove(cmailOldMove) ?
14117 "White offers a draw" : "Black offers a draw";
14118 AppendComment(currentMove, offer, TRUE);
14119 DisplayComment(currentMove - 1, offer);
14120 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14122 DisplayError(_("You must make your move before offering a draw"), 0);
14123 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14125 } else if (first.offeredDraw) {
14126 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14128 if (first.sendDrawOffers) {
14129 SendToProgram("draw\n", &first);
14130 userOfferedDraw = TRUE;
14138 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14140 if (appData.icsActive) {
14141 SendToICS(ics_prefix);
14142 SendToICS("adjourn\n");
14144 /* Currently GNU Chess doesn't offer or accept Adjourns */
14152 /* Offer Abort or accept pending Abort offer from opponent */
14154 if (appData.icsActive) {
14155 SendToICS(ics_prefix);
14156 SendToICS("abort\n");
14158 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14165 /* Resign. You can do this even if it's not your turn. */
14167 if (appData.icsActive) {
14168 SendToICS(ics_prefix);
14169 SendToICS("resign\n");
14171 switch (gameMode) {
14172 case MachinePlaysWhite:
14173 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14175 case MachinePlaysBlack:
14176 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14179 if (cmailMsgLoaded) {
14181 if (WhiteOnMove(cmailOldMove)) {
14182 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14184 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14186 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14197 StopObservingEvent()
14199 /* Stop observing current games */
14200 SendToICS(ics_prefix);
14201 SendToICS("unobserve\n");
14205 StopExaminingEvent()
14207 /* Stop observing current game */
14208 SendToICS(ics_prefix);
14209 SendToICS("unexamine\n");
14213 ForwardInner(target)
14218 if (appData.debugMode)
14219 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14220 target, currentMove, forwardMostMove);
14222 if (gameMode == EditPosition)
14225 if (gameMode == PlayFromGameFile && !pausing)
14228 if (gameMode == IcsExamining && pausing)
14229 limit = pauseExamForwardMostMove;
14231 limit = forwardMostMove;
14233 if (target > limit) target = limit;
14235 if (target > 0 && moveList[target - 1][0]) {
14236 int fromX, fromY, toX, toY;
14237 toX = moveList[target - 1][2] - AAA;
14238 toY = moveList[target - 1][3] - ONE;
14239 if (moveList[target - 1][1] == '@') {
14240 if (appData.highlightLastMove) {
14241 SetHighlights(-1, -1, toX, toY);
14244 fromX = moveList[target - 1][0] - AAA;
14245 fromY = moveList[target - 1][1] - ONE;
14246 if (target == currentMove + 1) {
14247 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14249 if (appData.highlightLastMove) {
14250 SetHighlights(fromX, fromY, toX, toY);
14254 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14255 gameMode == Training || gameMode == PlayFromGameFile ||
14256 gameMode == AnalyzeFile) {
14257 while (currentMove < target) {
14258 SendMoveToProgram(currentMove++, &first);
14261 currentMove = target;
14264 if (gameMode == EditGame || gameMode == EndOfGame) {
14265 whiteTimeRemaining = timeRemaining[0][currentMove];
14266 blackTimeRemaining = timeRemaining[1][currentMove];
14268 DisplayBothClocks();
14269 DisplayMove(currentMove - 1);
14270 DrawPosition(FALSE, boards[currentMove]);
14271 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14272 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14273 DisplayComment(currentMove - 1, commentList[currentMove]);
14281 if (gameMode == IcsExamining && !pausing) {
14282 SendToICS(ics_prefix);
14283 SendToICS("forward\n");
14285 ForwardInner(currentMove + 1);
14292 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14293 /* to optimze, we temporarily turn off analysis mode while we feed
14294 * the remaining moves to the engine. Otherwise we get analysis output
14297 if (first.analysisSupport) {
14298 SendToProgram("exit\nforce\n", &first);
14299 first.analyzing = FALSE;
14303 if (gameMode == IcsExamining && !pausing) {
14304 SendToICS(ics_prefix);
14305 SendToICS("forward 999999\n");
14307 ForwardInner(forwardMostMove);
14310 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14311 /* we have fed all the moves, so reactivate analysis mode */
14312 SendToProgram("analyze\n", &first);
14313 first.analyzing = TRUE;
14314 /*first.maybeThinking = TRUE;*/
14315 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14320 BackwardInner(target)
14323 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14325 if (appData.debugMode)
14326 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14327 target, currentMove, forwardMostMove);
14329 if (gameMode == EditPosition) return;
14330 if (currentMove <= backwardMostMove) {
14332 DrawPosition(full_redraw, boards[currentMove]);
14335 if (gameMode == PlayFromGameFile && !pausing)
14338 if (moveList[target][0]) {
14339 int fromX, fromY, toX, toY;
14340 toX = moveList[target][2] - AAA;
14341 toY = moveList[target][3] - ONE;
14342 if (moveList[target][1] == '@') {
14343 if (appData.highlightLastMove) {
14344 SetHighlights(-1, -1, toX, toY);
14347 fromX = moveList[target][0] - AAA;
14348 fromY = moveList[target][1] - ONE;
14349 if (target == currentMove - 1) {
14350 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14352 if (appData.highlightLastMove) {
14353 SetHighlights(fromX, fromY, toX, toY);
14357 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14358 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14359 while (currentMove > target) {
14360 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14361 // null move cannot be undone. Reload program with move history before it.
14363 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14364 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14366 SendBoard(&first, i);
14367 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14370 SendToProgram("undo\n", &first);
14374 currentMove = target;
14377 if (gameMode == EditGame || gameMode == EndOfGame) {
14378 whiteTimeRemaining = timeRemaining[0][currentMove];
14379 blackTimeRemaining = timeRemaining[1][currentMove];
14381 DisplayBothClocks();
14382 DisplayMove(currentMove - 1);
14383 DrawPosition(full_redraw, boards[currentMove]);
14384 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14385 // [HGM] PV info: routine tests if comment empty
14386 DisplayComment(currentMove - 1, commentList[currentMove]);
14392 if (gameMode == IcsExamining && !pausing) {
14393 SendToICS(ics_prefix);
14394 SendToICS("backward\n");
14396 BackwardInner(currentMove - 1);
14403 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14404 /* to optimize, we temporarily turn off analysis mode while we undo
14405 * all the moves. Otherwise we get analysis output after each undo.
14407 if (first.analysisSupport) {
14408 SendToProgram("exit\nforce\n", &first);
14409 first.analyzing = FALSE;
14413 if (gameMode == IcsExamining && !pausing) {
14414 SendToICS(ics_prefix);
14415 SendToICS("backward 999999\n");
14417 BackwardInner(backwardMostMove);
14420 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14421 /* we have fed all the moves, so reactivate analysis mode */
14422 SendToProgram("analyze\n", &first);
14423 first.analyzing = TRUE;
14424 /*first.maybeThinking = TRUE;*/
14425 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14432 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14433 if (to >= forwardMostMove) to = forwardMostMove;
14434 if (to <= backwardMostMove) to = backwardMostMove;
14435 if (to < currentMove) {
14443 RevertEvent(Boolean annotate)
14445 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14448 if (gameMode != IcsExamining) {
14449 DisplayError(_("You are not examining a game"), 0);
14453 DisplayError(_("You can't revert while pausing"), 0);
14456 SendToICS(ics_prefix);
14457 SendToICS("revert\n");
14463 switch (gameMode) {
14464 case MachinePlaysWhite:
14465 case MachinePlaysBlack:
14466 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14467 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14470 if (forwardMostMove < 2) return;
14471 currentMove = forwardMostMove = forwardMostMove - 2;
14472 whiteTimeRemaining = timeRemaining[0][currentMove];
14473 blackTimeRemaining = timeRemaining[1][currentMove];
14474 DisplayBothClocks();
14475 DisplayMove(currentMove - 1);
14476 ClearHighlights();/*!! could figure this out*/
14477 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14478 SendToProgram("remove\n", &first);
14479 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14482 case BeginningOfGame:
14486 case IcsPlayingWhite:
14487 case IcsPlayingBlack:
14488 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14489 SendToICS(ics_prefix);
14490 SendToICS("takeback 2\n");
14492 SendToICS(ics_prefix);
14493 SendToICS("takeback 1\n");
14502 ChessProgramState *cps;
14504 switch (gameMode) {
14505 case MachinePlaysWhite:
14506 if (!WhiteOnMove(forwardMostMove)) {
14507 DisplayError(_("It is your turn"), 0);
14512 case MachinePlaysBlack:
14513 if (WhiteOnMove(forwardMostMove)) {
14514 DisplayError(_("It is your turn"), 0);
14519 case TwoMachinesPlay:
14520 if (WhiteOnMove(forwardMostMove) ==
14521 (first.twoMachinesColor[0] == 'w')) {
14527 case BeginningOfGame:
14531 SendToProgram("?\n", cps);
14535 TruncateGameEvent()
14538 if (gameMode != EditGame) return;
14545 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14546 if (forwardMostMove > currentMove) {
14547 if (gameInfo.resultDetails != NULL) {
14548 free(gameInfo.resultDetails);
14549 gameInfo.resultDetails = NULL;
14550 gameInfo.result = GameUnfinished;
14552 forwardMostMove = currentMove;
14553 HistorySet(parseList, backwardMostMove, forwardMostMove,
14561 if (appData.noChessProgram) return;
14562 switch (gameMode) {
14563 case MachinePlaysWhite:
14564 if (WhiteOnMove(forwardMostMove)) {
14565 DisplayError(_("Wait until your turn"), 0);
14569 case BeginningOfGame:
14570 case MachinePlaysBlack:
14571 if (!WhiteOnMove(forwardMostMove)) {
14572 DisplayError(_("Wait until your turn"), 0);
14577 DisplayError(_("No hint available"), 0);
14580 SendToProgram("hint\n", &first);
14581 hintRequested = TRUE;
14587 if (appData.noChessProgram) return;
14588 switch (gameMode) {
14589 case MachinePlaysWhite:
14590 if (WhiteOnMove(forwardMostMove)) {
14591 DisplayError(_("Wait until your turn"), 0);
14595 case BeginningOfGame:
14596 case MachinePlaysBlack:
14597 if (!WhiteOnMove(forwardMostMove)) {
14598 DisplayError(_("Wait until your turn"), 0);
14603 EditPositionDone(TRUE);
14605 case TwoMachinesPlay:
14610 SendToProgram("bk\n", &first);
14611 bookOutput[0] = NULLCHAR;
14612 bookRequested = TRUE;
14618 char *tags = PGNTags(&gameInfo);
14619 TagsPopUp(tags, CmailMsg());
14623 /* end button procedures */
14626 PrintPosition(fp, move)
14632 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14633 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14634 char c = PieceToChar(boards[move][i][j]);
14635 fputc(c == 'x' ? '.' : c, fp);
14636 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14639 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14640 fprintf(fp, "white to play\n");
14642 fprintf(fp, "black to play\n");
14649 if (gameInfo.white != NULL) {
14650 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14656 /* Find last component of program's own name, using some heuristics */
14658 TidyProgramName(prog, host, buf)
14659 char *prog, *host, buf[MSG_SIZ];
14662 int local = (strcmp(host, "localhost") == 0);
14663 while (!local && (p = strchr(prog, ';')) != NULL) {
14665 while (*p == ' ') p++;
14668 if (*prog == '"' || *prog == '\'') {
14669 q = strchr(prog + 1, *prog);
14671 q = strchr(prog, ' ');
14673 if (q == NULL) q = prog + strlen(prog);
14675 while (p >= prog && *p != '/' && *p != '\\') p--;
14677 if(p == prog && *p == '"') p++;
14678 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14679 memcpy(buf, p, q - p);
14680 buf[q - p] = NULLCHAR;
14688 TimeControlTagValue()
14691 if (!appData.clockMode) {
14692 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14693 } else if (movesPerSession > 0) {
14694 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14695 } else if (timeIncrement == 0) {
14696 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14698 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14700 return StrSave(buf);
14706 /* This routine is used only for certain modes */
14707 VariantClass v = gameInfo.variant;
14708 ChessMove r = GameUnfinished;
14711 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14712 r = gameInfo.result;
14713 p = gameInfo.resultDetails;
14714 gameInfo.resultDetails = NULL;
14716 ClearGameInfo(&gameInfo);
14717 gameInfo.variant = v;
14719 switch (gameMode) {
14720 case MachinePlaysWhite:
14721 gameInfo.event = StrSave( appData.pgnEventHeader );
14722 gameInfo.site = StrSave(HostName());
14723 gameInfo.date = PGNDate();
14724 gameInfo.round = StrSave("-");
14725 gameInfo.white = StrSave(first.tidy);
14726 gameInfo.black = StrSave(UserName());
14727 gameInfo.timeControl = TimeControlTagValue();
14730 case MachinePlaysBlack:
14731 gameInfo.event = StrSave( appData.pgnEventHeader );
14732 gameInfo.site = StrSave(HostName());
14733 gameInfo.date = PGNDate();
14734 gameInfo.round = StrSave("-");
14735 gameInfo.white = StrSave(UserName());
14736 gameInfo.black = StrSave(first.tidy);
14737 gameInfo.timeControl = TimeControlTagValue();
14740 case TwoMachinesPlay:
14741 gameInfo.event = StrSave( appData.pgnEventHeader );
14742 gameInfo.site = StrSave(HostName());
14743 gameInfo.date = PGNDate();
14746 snprintf(buf, MSG_SIZ, "%d", roundNr);
14747 gameInfo.round = StrSave(buf);
14749 gameInfo.round = StrSave("-");
14751 if (first.twoMachinesColor[0] == 'w') {
14752 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14753 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14755 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14756 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14758 gameInfo.timeControl = TimeControlTagValue();
14762 gameInfo.event = StrSave("Edited game");
14763 gameInfo.site = StrSave(HostName());
14764 gameInfo.date = PGNDate();
14765 gameInfo.round = StrSave("-");
14766 gameInfo.white = StrSave("-");
14767 gameInfo.black = StrSave("-");
14768 gameInfo.result = r;
14769 gameInfo.resultDetails = p;
14773 gameInfo.event = StrSave("Edited position");
14774 gameInfo.site = StrSave(HostName());
14775 gameInfo.date = PGNDate();
14776 gameInfo.round = StrSave("-");
14777 gameInfo.white = StrSave("-");
14778 gameInfo.black = StrSave("-");
14781 case IcsPlayingWhite:
14782 case IcsPlayingBlack:
14787 case PlayFromGameFile:
14788 gameInfo.event = StrSave("Game from non-PGN file");
14789 gameInfo.site = StrSave(HostName());
14790 gameInfo.date = PGNDate();
14791 gameInfo.round = StrSave("-");
14792 gameInfo.white = StrSave("?");
14793 gameInfo.black = StrSave("?");
14802 ReplaceComment(index, text)
14810 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14811 pvInfoList[index-1].depth == len &&
14812 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14813 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14814 while (*text == '\n') text++;
14815 len = strlen(text);
14816 while (len > 0 && text[len - 1] == '\n') len--;
14818 if (commentList[index] != NULL)
14819 free(commentList[index]);
14822 commentList[index] = NULL;
14825 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14826 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14827 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14828 commentList[index] = (char *) malloc(len + 2);
14829 strncpy(commentList[index], text, len);
14830 commentList[index][len] = '\n';
14831 commentList[index][len + 1] = NULLCHAR;
14833 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14835 commentList[index] = (char *) malloc(len + 7);
14836 safeStrCpy(commentList[index], "{\n", 3);
14837 safeStrCpy(commentList[index]+2, text, len+1);
14838 commentList[index][len+2] = NULLCHAR;
14839 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14840 strcat(commentList[index], "\n}\n");
14854 if (ch == '\r') continue;
14856 } while (ch != '\0');
14860 AppendComment(index, text, addBraces)
14863 Boolean addBraces; // [HGM] braces: tells if we should add {}
14868 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14869 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14872 while (*text == '\n') text++;
14873 len = strlen(text);
14874 while (len > 0 && text[len - 1] == '\n') len--;
14876 if (len == 0) return;
14878 if (commentList[index] != NULL) {
14879 Boolean addClosingBrace = addBraces;
14880 old = commentList[index];
14881 oldlen = strlen(old);
14882 while(commentList[index][oldlen-1] == '\n')
14883 commentList[index][--oldlen] = NULLCHAR;
14884 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14885 safeStrCpy(commentList[index], old, oldlen + len + 6);
14887 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14888 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14889 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14890 while (*text == '\n') { text++; len--; }
14891 commentList[index][--oldlen] = NULLCHAR;
14893 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14894 else strcat(commentList[index], "\n");
14895 strcat(commentList[index], text);
14896 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14897 else strcat(commentList[index], "\n");
14899 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14901 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14902 else commentList[index][0] = NULLCHAR;
14903 strcat(commentList[index], text);
14904 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14905 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14909 static char * FindStr( char * text, char * sub_text )
14911 char * result = strstr( text, sub_text );
14913 if( result != NULL ) {
14914 result += strlen( sub_text );
14920 /* [AS] Try to extract PV info from PGN comment */
14921 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14922 char *GetInfoFromComment( int index, char * text )
14924 char * sep = text, *p;
14926 if( text != NULL && index > 0 ) {
14929 int time = -1, sec = 0, deci;
14930 char * s_eval = FindStr( text, "[%eval " );
14931 char * s_emt = FindStr( text, "[%emt " );
14933 if( s_eval != NULL || s_emt != NULL ) {
14937 if( s_eval != NULL ) {
14938 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14942 if( delim != ']' ) {
14947 if( s_emt != NULL ) {
14952 /* We expect something like: [+|-]nnn.nn/dd */
14955 if(*text != '{') return text; // [HGM] braces: must be normal comment
14957 sep = strchr( text, '/' );
14958 if( sep == NULL || sep < (text+4) ) {
14963 if(p[1] == '(') { // comment starts with PV
14964 p = strchr(p, ')'); // locate end of PV
14965 if(p == NULL || sep < p+5) return text;
14966 // at this point we have something like "{(.*) +0.23/6 ..."
14967 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14968 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14969 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14971 time = -1; sec = -1; deci = -1;
14972 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14973 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14974 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14975 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14979 if( score_lo < 0 || score_lo >= 100 ) {
14983 if(sec >= 0) time = 600*time + 10*sec; else
14984 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14986 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14988 /* [HGM] PV time: now locate end of PV info */
14989 while( *++sep >= '0' && *sep <= '9'); // strip depth
14991 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14993 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14995 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14996 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15007 pvInfoList[index-1].depth = depth;
15008 pvInfoList[index-1].score = score;
15009 pvInfoList[index-1].time = 10*time; // centi-sec
15010 if(*sep == '}') *sep = 0; else *--sep = '{';
15011 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15017 SendToProgram(message, cps)
15019 ChessProgramState *cps;
15021 int count, outCount, error;
15024 if (cps->pr == NoProc) return;
15027 if (appData.debugMode) {
15030 fprintf(debugFP, "%ld >%-6s: %s",
15031 SubtractTimeMarks(&now, &programStartTime),
15032 cps->which, message);
15035 count = strlen(message);
15036 outCount = OutputToProcess(cps->pr, message, count, &error);
15037 if (outCount < count && !exiting
15038 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15039 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15040 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15041 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15042 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15043 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15044 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15045 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15047 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15048 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15049 gameInfo.result = res;
15051 gameInfo.resultDetails = StrSave(buf);
15053 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15054 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15059 ReceiveFromProgram(isr, closure, message, count, error)
15060 InputSourceRef isr;
15068 ChessProgramState *cps = (ChessProgramState *)closure;
15070 if (isr != cps->isr) return; /* Killed intentionally */
15073 RemoveInputSource(cps->isr);
15074 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15075 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15076 _(cps->which), cps->program);
15077 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15078 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15079 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15080 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15081 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15083 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15084 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15085 gameInfo.result = res;
15087 gameInfo.resultDetails = StrSave(buf);
15089 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15090 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15092 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15093 _(cps->which), cps->program);
15094 RemoveInputSource(cps->isr);
15096 /* [AS] Program is misbehaving badly... kill it */
15097 if( count == -2 ) {
15098 DestroyChildProcess( cps->pr, 9 );
15102 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15107 if ((end_str = strchr(message, '\r')) != NULL)
15108 *end_str = NULLCHAR;
15109 if ((end_str = strchr(message, '\n')) != NULL)
15110 *end_str = NULLCHAR;
15112 if (appData.debugMode) {
15113 TimeMark now; int print = 1;
15114 char *quote = ""; char c; int i;
15116 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15117 char start = message[0];
15118 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15119 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15120 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15121 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15122 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15123 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15124 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15125 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15126 sscanf(message, "hint: %c", &c)!=1 &&
15127 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15128 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15129 print = (appData.engineComments >= 2);
15131 message[0] = start; // restore original message
15135 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15136 SubtractTimeMarks(&now, &programStartTime), cps->which,
15142 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15143 if (appData.icsEngineAnalyze) {
15144 if (strstr(message, "whisper") != NULL ||
15145 strstr(message, "kibitz") != NULL ||
15146 strstr(message, "tellics") != NULL) return;
15149 HandleMachineMove(message, cps);
15154 SendTimeControl(cps, mps, tc, inc, sd, st)
15155 ChessProgramState *cps;
15156 int mps, inc, sd, st;
15162 if( timeControl_2 > 0 ) {
15163 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15164 tc = timeControl_2;
15167 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15168 inc /= cps->timeOdds;
15169 st /= cps->timeOdds;
15171 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15174 /* Set exact time per move, normally using st command */
15175 if (cps->stKludge) {
15176 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15178 if (seconds == 0) {
15179 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15181 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15184 snprintf(buf, MSG_SIZ, "st %d\n", st);
15187 /* Set conventional or incremental time control, using level command */
15188 if (seconds == 0) {
15189 /* Note old gnuchess bug -- minutes:seconds used to not work.
15190 Fixed in later versions, but still avoid :seconds
15191 when seconds is 0. */
15192 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15194 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15195 seconds, inc/1000.);
15198 SendToProgram(buf, cps);
15200 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15201 /* Orthogonally, limit search to given depth */
15203 if (cps->sdKludge) {
15204 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15206 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15208 SendToProgram(buf, cps);
15211 if(cps->nps >= 0) { /* [HGM] nps */
15212 if(cps->supportsNPS == FALSE)
15213 cps->nps = -1; // don't use if engine explicitly says not supported!
15215 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15216 SendToProgram(buf, cps);
15221 ChessProgramState *WhitePlayer()
15222 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15224 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15225 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15231 SendTimeRemaining(cps, machineWhite)
15232 ChessProgramState *cps;
15233 int /*boolean*/ machineWhite;
15235 char message[MSG_SIZ];
15238 /* Note: this routine must be called when the clocks are stopped
15239 or when they have *just* been set or switched; otherwise
15240 it will be off by the time since the current tick started.
15242 if (machineWhite) {
15243 time = whiteTimeRemaining / 10;
15244 otime = blackTimeRemaining / 10;
15246 time = blackTimeRemaining / 10;
15247 otime = whiteTimeRemaining / 10;
15249 /* [HGM] translate opponent's time by time-odds factor */
15250 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15251 if (appData.debugMode) {
15252 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
15255 if (time <= 0) time = 1;
15256 if (otime <= 0) otime = 1;
15258 snprintf(message, MSG_SIZ, "time %ld\n", time);
15259 SendToProgram(message, cps);
15261 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15262 SendToProgram(message, cps);
15266 BoolFeature(p, name, loc, cps)
15270 ChessProgramState *cps;
15273 int len = strlen(name);
15276 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15278 sscanf(*p, "%d", &val);
15280 while (**p && **p != ' ')
15282 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15283 SendToProgram(buf, cps);
15290 IntFeature(p, name, loc, cps)
15294 ChessProgramState *cps;
15297 int len = strlen(name);
15298 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15300 sscanf(*p, "%d", loc);
15301 while (**p && **p != ' ') (*p)++;
15302 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15303 SendToProgram(buf, cps);
15310 StringFeature(p, name, loc, cps)
15314 ChessProgramState *cps;
15317 int len = strlen(name);
15318 if (strncmp((*p), name, len) == 0
15319 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15321 sscanf(*p, "%[^\"]", loc);
15322 while (**p && **p != '\"') (*p)++;
15323 if (**p == '\"') (*p)++;
15324 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15325 SendToProgram(buf, cps);
15332 ParseOption(Option *opt, ChessProgramState *cps)
15333 // [HGM] options: process the string that defines an engine option, and determine
15334 // name, type, default value, and allowed value range
15336 char *p, *q, buf[MSG_SIZ];
15337 int n, min = (-1)<<31, max = 1<<31, def;
15339 if(p = strstr(opt->name, " -spin ")) {
15340 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15341 if(max < min) max = min; // enforce consistency
15342 if(def < min) def = min;
15343 if(def > max) def = max;
15348 } else if((p = strstr(opt->name, " -slider "))) {
15349 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15350 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15351 if(max < min) max = min; // enforce consistency
15352 if(def < min) def = min;
15353 if(def > max) def = max;
15357 opt->type = Spin; // Slider;
15358 } else if((p = strstr(opt->name, " -string "))) {
15359 opt->textValue = p+9;
15360 opt->type = TextBox;
15361 } else if((p = strstr(opt->name, " -file "))) {
15362 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15363 opt->textValue = p+7;
15364 opt->type = FileName; // FileName;
15365 } else if((p = strstr(opt->name, " -path "))) {
15366 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15367 opt->textValue = p+7;
15368 opt->type = PathName; // PathName;
15369 } else if(p = strstr(opt->name, " -check ")) {
15370 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15371 opt->value = (def != 0);
15372 opt->type = CheckBox;
15373 } else if(p = strstr(opt->name, " -combo ")) {
15374 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15375 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15376 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15377 opt->value = n = 0;
15378 while(q = StrStr(q, " /// ")) {
15379 n++; *q = 0; // count choices, and null-terminate each of them
15381 if(*q == '*') { // remember default, which is marked with * prefix
15385 cps->comboList[cps->comboCnt++] = q;
15387 cps->comboList[cps->comboCnt++] = NULL;
15389 opt->type = ComboBox;
15390 } else if(p = strstr(opt->name, " -button")) {
15391 opt->type = Button;
15392 } else if(p = strstr(opt->name, " -save")) {
15393 opt->type = SaveButton;
15394 } else return FALSE;
15395 *p = 0; // terminate option name
15396 // now look if the command-line options define a setting for this engine option.
15397 if(cps->optionSettings && cps->optionSettings[0])
15398 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15399 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15400 snprintf(buf, MSG_SIZ, "option %s", p);
15401 if(p = strstr(buf, ",")) *p = 0;
15402 if(q = strchr(buf, '=')) switch(opt->type) {
15404 for(n=0; n<opt->max; n++)
15405 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15408 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15412 opt->value = atoi(q+1);
15417 SendToProgram(buf, cps);
15423 FeatureDone(cps, val)
15424 ChessProgramState* cps;
15427 DelayedEventCallback cb = GetDelayedEvent();
15428 if ((cb == InitBackEnd3 && cps == &first) ||
15429 (cb == SettingsMenuIfReady && cps == &second) ||
15430 (cb == LoadEngine) ||
15431 (cb == TwoMachinesEventIfReady)) {
15432 CancelDelayedEvent();
15433 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15435 cps->initDone = val;
15438 /* Parse feature command from engine */
15440 ParseFeatures(args, cps)
15442 ChessProgramState *cps;
15450 while (*p == ' ') p++;
15451 if (*p == NULLCHAR) return;
15453 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15454 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15455 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15456 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15457 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15458 if (BoolFeature(&p, "reuse", &val, cps)) {
15459 /* Engine can disable reuse, but can't enable it if user said no */
15460 if (!val) cps->reuse = FALSE;
15463 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15464 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
15465 if (gameMode == TwoMachinesPlay) {
15466 DisplayTwoMachinesTitle();
15472 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
15473 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15474 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15475 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15476 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15477 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15478 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15479 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15480 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15481 if (IntFeature(&p, "done", &val, cps)) {
15482 FeatureDone(cps, val);
15485 /* Added by Tord: */
15486 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15487 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15488 /* End of additions by Tord */
15490 /* [HGM] added features: */
15491 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15492 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15493 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15494 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15495 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15496 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
15497 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
15498 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15499 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15500 SendToProgram(buf, cps);
15503 if(cps->nrOptions >= MAX_OPTIONS) {
15505 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15506 DisplayError(buf, 0);
15510 /* End of additions by HGM */
15512 /* unknown feature: complain and skip */
15514 while (*q && *q != '=') q++;
15515 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15516 SendToProgram(buf, cps);
15522 while (*p && *p != '\"') p++;
15523 if (*p == '\"') p++;
15525 while (*p && *p != ' ') p++;
15533 PeriodicUpdatesEvent(newState)
15536 if (newState == appData.periodicUpdates)
15539 appData.periodicUpdates=newState;
15541 /* Display type changes, so update it now */
15542 // DisplayAnalysis();
15544 /* Get the ball rolling again... */
15546 AnalysisPeriodicEvent(1);
15547 StartAnalysisClock();
15552 PonderNextMoveEvent(newState)
15555 if (newState == appData.ponderNextMove) return;
15556 if (gameMode == EditPosition) EditPositionDone(TRUE);
15558 SendToProgram("hard\n", &first);
15559 if (gameMode == TwoMachinesPlay) {
15560 SendToProgram("hard\n", &second);
15563 SendToProgram("easy\n", &first);
15564 thinkOutput[0] = NULLCHAR;
15565 if (gameMode == TwoMachinesPlay) {
15566 SendToProgram("easy\n", &second);
15569 appData.ponderNextMove = newState;
15573 NewSettingEvent(option, feature, command, value)
15575 int option, value, *feature;
15579 if (gameMode == EditPosition) EditPositionDone(TRUE);
15580 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15581 if(feature == NULL || *feature) SendToProgram(buf, &first);
15582 if (gameMode == TwoMachinesPlay) {
15583 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15588 ShowThinkingEvent()
15589 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15591 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15592 int newState = appData.showThinking
15593 // [HGM] thinking: other features now need thinking output as well
15594 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15596 if (oldState == newState) return;
15597 oldState = newState;
15598 if (gameMode == EditPosition) EditPositionDone(TRUE);
15600 SendToProgram("post\n", &first);
15601 if (gameMode == TwoMachinesPlay) {
15602 SendToProgram("post\n", &second);
15605 SendToProgram("nopost\n", &first);
15606 thinkOutput[0] = NULLCHAR;
15607 if (gameMode == TwoMachinesPlay) {
15608 SendToProgram("nopost\n", &second);
15611 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15615 AskQuestionEvent(title, question, replyPrefix, which)
15616 char *title; char *question; char *replyPrefix; char *which;
15618 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15619 if (pr == NoProc) return;
15620 AskQuestion(title, question, replyPrefix, pr);
15624 TypeInEvent(char firstChar)
15626 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15627 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15628 gameMode == AnalyzeMode || gameMode == EditGame ||
15629 gameMode == EditPosition || gameMode == IcsExamining ||
15630 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15631 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15632 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15633 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15634 gameMode == Training) PopUpMoveDialog(firstChar);
15638 TypeInDoneEvent(char *move)
15641 int n, fromX, fromY, toX, toY;
15643 ChessMove moveType;
15646 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15647 EditPositionPasteFEN(move);
15650 // [HGM] movenum: allow move number to be typed in any mode
15651 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15656 if (gameMode != EditGame && currentMove != forwardMostMove &&
15657 gameMode != Training) {
15658 DisplayMoveError(_("Displayed move is not current"));
15660 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15661 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15662 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15663 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15664 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15665 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15667 DisplayMoveError(_("Could not parse move"));
15673 DisplayMove(moveNumber)
15676 char message[MSG_SIZ];
15678 char cpThinkOutput[MSG_SIZ];
15680 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15682 if (moveNumber == forwardMostMove - 1 ||
15683 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15685 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15687 if (strchr(cpThinkOutput, '\n')) {
15688 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15691 *cpThinkOutput = NULLCHAR;
15694 /* [AS] Hide thinking from human user */
15695 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15696 *cpThinkOutput = NULLCHAR;
15697 if( thinkOutput[0] != NULLCHAR ) {
15700 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15701 cpThinkOutput[i] = '.';
15703 cpThinkOutput[i] = NULLCHAR;
15704 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15708 if (moveNumber == forwardMostMove - 1 &&
15709 gameInfo.resultDetails != NULL) {
15710 if (gameInfo.resultDetails[0] == NULLCHAR) {
15711 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15713 snprintf(res, MSG_SIZ, " {%s} %s",
15714 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15720 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15721 DisplayMessage(res, cpThinkOutput);
15723 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15724 WhiteOnMove(moveNumber) ? " " : ".. ",
15725 parseList[moveNumber], res);
15726 DisplayMessage(message, cpThinkOutput);
15731 DisplayComment(moveNumber, text)
15735 char title[MSG_SIZ];
15737 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15738 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15740 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15741 WhiteOnMove(moveNumber) ? " " : ".. ",
15742 parseList[moveNumber]);
15744 if (text != NULL && (appData.autoDisplayComment || commentUp))
15745 CommentPopUp(title, text);
15748 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15749 * might be busy thinking or pondering. It can be omitted if your
15750 * gnuchess is configured to stop thinking immediately on any user
15751 * input. However, that gnuchess feature depends on the FIONREAD
15752 * ioctl, which does not work properly on some flavors of Unix.
15756 ChessProgramState *cps;
15759 if (!cps->useSigint) return;
15760 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15761 switch (gameMode) {
15762 case MachinePlaysWhite:
15763 case MachinePlaysBlack:
15764 case TwoMachinesPlay:
15765 case IcsPlayingWhite:
15766 case IcsPlayingBlack:
15769 /* Skip if we know it isn't thinking */
15770 if (!cps->maybeThinking) return;
15771 if (appData.debugMode)
15772 fprintf(debugFP, "Interrupting %s\n", cps->which);
15773 InterruptChildProcess(cps->pr);
15774 cps->maybeThinking = FALSE;
15779 #endif /*ATTENTION*/
15785 if (whiteTimeRemaining <= 0) {
15788 if (appData.icsActive) {
15789 if (appData.autoCallFlag &&
15790 gameMode == IcsPlayingBlack && !blackFlag) {
15791 SendToICS(ics_prefix);
15792 SendToICS("flag\n");
15796 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15798 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15799 if (appData.autoCallFlag) {
15800 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15807 if (blackTimeRemaining <= 0) {
15810 if (appData.icsActive) {
15811 if (appData.autoCallFlag &&
15812 gameMode == IcsPlayingWhite && !whiteFlag) {
15813 SendToICS(ics_prefix);
15814 SendToICS("flag\n");
15818 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15820 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15821 if (appData.autoCallFlag) {
15822 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15835 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15836 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15839 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15841 if ( !WhiteOnMove(forwardMostMove) ) {
15842 /* White made time control */
15843 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15844 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15845 /* [HGM] time odds: correct new time quota for time odds! */
15846 / WhitePlayer()->timeOdds;
15847 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15849 lastBlack -= blackTimeRemaining;
15850 /* Black made time control */
15851 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15852 / WhitePlayer()->other->timeOdds;
15853 lastWhite = whiteTimeRemaining;
15858 DisplayBothClocks()
15860 int wom = gameMode == EditPosition ?
15861 !blackPlaysFirst : WhiteOnMove(currentMove);
15862 DisplayWhiteClock(whiteTimeRemaining, wom);
15863 DisplayBlackClock(blackTimeRemaining, !wom);
15867 /* Timekeeping seems to be a portability nightmare. I think everyone
15868 has ftime(), but I'm really not sure, so I'm including some ifdefs
15869 to use other calls if you don't. Clocks will be less accurate if
15870 you have neither ftime nor gettimeofday.
15873 /* VS 2008 requires the #include outside of the function */
15874 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15875 #include <sys/timeb.h>
15878 /* Get the current time as a TimeMark */
15883 #if HAVE_GETTIMEOFDAY
15885 struct timeval timeVal;
15886 struct timezone timeZone;
15888 gettimeofday(&timeVal, &timeZone);
15889 tm->sec = (long) timeVal.tv_sec;
15890 tm->ms = (int) (timeVal.tv_usec / 1000L);
15892 #else /*!HAVE_GETTIMEOFDAY*/
15895 // include <sys/timeb.h> / moved to just above start of function
15896 struct timeb timeB;
15899 tm->sec = (long) timeB.time;
15900 tm->ms = (int) timeB.millitm;
15902 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15903 tm->sec = (long) time(NULL);
15909 /* Return the difference in milliseconds between two
15910 time marks. We assume the difference will fit in a long!
15913 SubtractTimeMarks(tm2, tm1)
15914 TimeMark *tm2, *tm1;
15916 return 1000L*(tm2->sec - tm1->sec) +
15917 (long) (tm2->ms - tm1->ms);
15922 * Code to manage the game clocks.
15924 * In tournament play, black starts the clock and then white makes a move.
15925 * We give the human user a slight advantage if he is playing white---the
15926 * clocks don't run until he makes his first move, so it takes zero time.
15927 * Also, we don't account for network lag, so we could get out of sync
15928 * with GNU Chess's clock -- but then, referees are always right.
15931 static TimeMark tickStartTM;
15932 static long intendedTickLength;
15935 NextTickLength(timeRemaining)
15936 long timeRemaining;
15938 long nominalTickLength, nextTickLength;
15940 if (timeRemaining > 0L && timeRemaining <= 10000L)
15941 nominalTickLength = 100L;
15943 nominalTickLength = 1000L;
15944 nextTickLength = timeRemaining % nominalTickLength;
15945 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15947 return nextTickLength;
15950 /* Adjust clock one minute up or down */
15952 AdjustClock(Boolean which, int dir)
15954 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15955 if(which) blackTimeRemaining += 60000*dir;
15956 else whiteTimeRemaining += 60000*dir;
15957 DisplayBothClocks();
15958 adjustedClock = TRUE;
15961 /* Stop clocks and reset to a fresh time control */
15965 (void) StopClockTimer();
15966 if (appData.icsActive) {
15967 whiteTimeRemaining = blackTimeRemaining = 0;
15968 } else if (searchTime) {
15969 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15970 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15971 } else { /* [HGM] correct new time quote for time odds */
15972 whiteTC = blackTC = fullTimeControlString;
15973 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15974 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15976 if (whiteFlag || blackFlag) {
15978 whiteFlag = blackFlag = FALSE;
15980 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15981 DisplayBothClocks();
15982 adjustedClock = FALSE;
15985 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15987 /* Decrement running clock by amount of time that has passed */
15991 long timeRemaining;
15992 long lastTickLength, fudge;
15995 if (!appData.clockMode) return;
15996 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16000 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16002 /* Fudge if we woke up a little too soon */
16003 fudge = intendedTickLength - lastTickLength;
16004 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16006 if (WhiteOnMove(forwardMostMove)) {
16007 if(whiteNPS >= 0) lastTickLength = 0;
16008 timeRemaining = whiteTimeRemaining -= lastTickLength;
16009 if(timeRemaining < 0 && !appData.icsActive) {
16010 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16011 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16012 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16013 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16016 DisplayWhiteClock(whiteTimeRemaining - fudge,
16017 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16019 if(blackNPS >= 0) lastTickLength = 0;
16020 timeRemaining = blackTimeRemaining -= lastTickLength;
16021 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16022 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16024 blackStartMove = forwardMostMove;
16025 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16028 DisplayBlackClock(blackTimeRemaining - fudge,
16029 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16031 if (CheckFlags()) return;
16034 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16035 StartClockTimer(intendedTickLength);
16037 /* if the time remaining has fallen below the alarm threshold, sound the
16038 * alarm. if the alarm has sounded and (due to a takeback or time control
16039 * with increment) the time remaining has increased to a level above the
16040 * threshold, reset the alarm so it can sound again.
16043 if (appData.icsActive && appData.icsAlarm) {
16045 /* make sure we are dealing with the user's clock */
16046 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16047 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16050 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16051 alarmSounded = FALSE;
16052 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16054 alarmSounded = TRUE;
16060 /* A player has just moved, so stop the previously running
16061 clock and (if in clock mode) start the other one.
16062 We redisplay both clocks in case we're in ICS mode, because
16063 ICS gives us an update to both clocks after every move.
16064 Note that this routine is called *after* forwardMostMove
16065 is updated, so the last fractional tick must be subtracted
16066 from the color that is *not* on move now.
16069 SwitchClocks(int newMoveNr)
16071 long lastTickLength;
16073 int flagged = FALSE;
16077 if (StopClockTimer() && appData.clockMode) {
16078 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16079 if (!WhiteOnMove(forwardMostMove)) {
16080 if(blackNPS >= 0) lastTickLength = 0;
16081 blackTimeRemaining -= lastTickLength;
16082 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16083 // if(pvInfoList[forwardMostMove].time == -1)
16084 pvInfoList[forwardMostMove].time = // use GUI time
16085 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16087 if(whiteNPS >= 0) lastTickLength = 0;
16088 whiteTimeRemaining -= lastTickLength;
16089 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16090 // if(pvInfoList[forwardMostMove].time == -1)
16091 pvInfoList[forwardMostMove].time =
16092 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16094 flagged = CheckFlags();
16096 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16097 CheckTimeControl();
16099 if (flagged || !appData.clockMode) return;
16101 switch (gameMode) {
16102 case MachinePlaysBlack:
16103 case MachinePlaysWhite:
16104 case BeginningOfGame:
16105 if (pausing) return;
16109 case PlayFromGameFile:
16117 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16118 if(WhiteOnMove(forwardMostMove))
16119 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16120 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16124 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16125 whiteTimeRemaining : blackTimeRemaining);
16126 StartClockTimer(intendedTickLength);
16130 /* Stop both clocks */
16134 long lastTickLength;
16137 if (!StopClockTimer()) return;
16138 if (!appData.clockMode) return;
16142 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16143 if (WhiteOnMove(forwardMostMove)) {
16144 if(whiteNPS >= 0) lastTickLength = 0;
16145 whiteTimeRemaining -= lastTickLength;
16146 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16148 if(blackNPS >= 0) lastTickLength = 0;
16149 blackTimeRemaining -= lastTickLength;
16150 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16155 /* Start clock of player on move. Time may have been reset, so
16156 if clock is already running, stop and restart it. */
16160 (void) StopClockTimer(); /* in case it was running already */
16161 DisplayBothClocks();
16162 if (CheckFlags()) return;
16164 if (!appData.clockMode) return;
16165 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16167 GetTimeMark(&tickStartTM);
16168 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16169 whiteTimeRemaining : blackTimeRemaining);
16171 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16172 whiteNPS = blackNPS = -1;
16173 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16174 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16175 whiteNPS = first.nps;
16176 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16177 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16178 blackNPS = first.nps;
16179 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16180 whiteNPS = second.nps;
16181 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16182 blackNPS = second.nps;
16183 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16185 StartClockTimer(intendedTickLength);
16192 long second, minute, hour, day;
16194 static char buf[32];
16196 if (ms > 0 && ms <= 9900) {
16197 /* convert milliseconds to tenths, rounding up */
16198 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16200 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16204 /* convert milliseconds to seconds, rounding up */
16205 /* use floating point to avoid strangeness of integer division
16206 with negative dividends on many machines */
16207 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16214 day = second / (60 * 60 * 24);
16215 second = second % (60 * 60 * 24);
16216 hour = second / (60 * 60);
16217 second = second % (60 * 60);
16218 minute = second / 60;
16219 second = second % 60;
16222 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16223 sign, day, hour, minute, second);
16225 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16227 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16234 * This is necessary because some C libraries aren't ANSI C compliant yet.
16237 StrStr(string, match)
16238 char *string, *match;
16242 length = strlen(match);
16244 for (i = strlen(string) - length; i >= 0; i--, string++)
16245 if (!strncmp(match, string, length))
16252 StrCaseStr(string, match)
16253 char *string, *match;
16257 length = strlen(match);
16259 for (i = strlen(string) - length; i >= 0; i--, string++) {
16260 for (j = 0; j < length; j++) {
16261 if (ToLower(match[j]) != ToLower(string[j]))
16264 if (j == length) return string;
16278 c1 = ToLower(*s1++);
16279 c2 = ToLower(*s2++);
16280 if (c1 > c2) return 1;
16281 if (c1 < c2) return -1;
16282 if (c1 == NULLCHAR) return 0;
16291 return isupper(c) ? tolower(c) : c;
16299 return islower(c) ? toupper(c) : c;
16301 #endif /* !_amigados */
16309 if ((ret = (char *) malloc(strlen(s) + 1)))
16311 safeStrCpy(ret, s, strlen(s)+1);
16317 StrSavePtr(s, savePtr)
16318 char *s, **savePtr;
16323 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16324 safeStrCpy(*savePtr, s, strlen(s)+1);
16336 clock = time((time_t *)NULL);
16337 tm = localtime(&clock);
16338 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16339 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16340 return StrSave(buf);
16345 PositionToFEN(move, overrideCastling)
16347 char *overrideCastling;
16349 int i, j, fromX, fromY, toX, toY;
16356 whiteToPlay = (gameMode == EditPosition) ?
16357 !blackPlaysFirst : (move % 2 == 0);
16360 /* Piece placement data */
16361 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16362 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16364 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16365 if (boards[move][i][j] == EmptySquare) {
16367 } else { ChessSquare piece = boards[move][i][j];
16368 if (emptycount > 0) {
16369 if(emptycount<10) /* [HGM] can be >= 10 */
16370 *p++ = '0' + emptycount;
16371 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16374 if(PieceToChar(piece) == '+') {
16375 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16377 piece = (ChessSquare)(DEMOTED piece);
16379 *p++ = PieceToChar(piece);
16381 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16382 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16387 if (emptycount > 0) {
16388 if(emptycount<10) /* [HGM] can be >= 10 */
16389 *p++ = '0' + emptycount;
16390 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16397 /* [HGM] print Crazyhouse or Shogi holdings */
16398 if( gameInfo.holdingsWidth ) {
16399 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16401 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16402 piece = boards[move][i][BOARD_WIDTH-1];
16403 if( piece != EmptySquare )
16404 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16405 *p++ = PieceToChar(piece);
16407 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16408 piece = boards[move][BOARD_HEIGHT-i-1][0];
16409 if( piece != EmptySquare )
16410 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16411 *p++ = PieceToChar(piece);
16414 if( q == p ) *p++ = '-';
16420 *p++ = whiteToPlay ? 'w' : 'b';
16423 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16424 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16426 if(nrCastlingRights) {
16428 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16429 /* [HGM] write directly from rights */
16430 if(boards[move][CASTLING][2] != NoRights &&
16431 boards[move][CASTLING][0] != NoRights )
16432 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16433 if(boards[move][CASTLING][2] != NoRights &&
16434 boards[move][CASTLING][1] != NoRights )
16435 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16436 if(boards[move][CASTLING][5] != NoRights &&
16437 boards[move][CASTLING][3] != NoRights )
16438 *p++ = boards[move][CASTLING][3] + AAA;
16439 if(boards[move][CASTLING][5] != NoRights &&
16440 boards[move][CASTLING][4] != NoRights )
16441 *p++ = boards[move][CASTLING][4] + AAA;
16444 /* [HGM] write true castling rights */
16445 if( nrCastlingRights == 6 ) {
16446 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16447 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16448 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16449 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16450 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16451 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16452 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16453 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16456 if (q == p) *p++ = '-'; /* No castling rights */
16460 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16461 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16462 /* En passant target square */
16463 if (move > backwardMostMove) {
16464 fromX = moveList[move - 1][0] - AAA;
16465 fromY = moveList[move - 1][1] - ONE;
16466 toX = moveList[move - 1][2] - AAA;
16467 toY = moveList[move - 1][3] - ONE;
16468 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16469 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16470 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16472 /* 2-square pawn move just happened */
16474 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16478 } else if(move == backwardMostMove) {
16479 // [HGM] perhaps we should always do it like this, and forget the above?
16480 if((signed char)boards[move][EP_STATUS] >= 0) {
16481 *p++ = boards[move][EP_STATUS] + AAA;
16482 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16493 /* [HGM] find reversible plies */
16494 { int i = 0, j=move;
16496 if (appData.debugMode) { int k;
16497 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16498 for(k=backwardMostMove; k<=forwardMostMove; k++)
16499 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16503 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16504 if( j == backwardMostMove ) i += initialRulePlies;
16505 sprintf(p, "%d ", i);
16506 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16508 /* Fullmove number */
16509 sprintf(p, "%d", (move / 2) + 1);
16511 return StrSave(buf);
16515 ParseFEN(board, blackPlaysFirst, fen)
16517 int *blackPlaysFirst;
16527 /* [HGM] by default clear Crazyhouse holdings, if present */
16528 if(gameInfo.holdingsWidth) {
16529 for(i=0; i<BOARD_HEIGHT; i++) {
16530 board[i][0] = EmptySquare; /* black holdings */
16531 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16532 board[i][1] = (ChessSquare) 0; /* black counts */
16533 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16537 /* Piece placement data */
16538 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16541 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16542 if (*p == '/') p++;
16543 emptycount = gameInfo.boardWidth - j;
16544 while (emptycount--)
16545 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16547 #if(BOARD_FILES >= 10)
16548 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16549 p++; emptycount=10;
16550 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16551 while (emptycount--)
16552 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16554 } else if (isdigit(*p)) {
16555 emptycount = *p++ - '0';
16556 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16557 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16558 while (emptycount--)
16559 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16560 } else if (*p == '+' || isalpha(*p)) {
16561 if (j >= gameInfo.boardWidth) return FALSE;
16563 piece = CharToPiece(*++p);
16564 if(piece == EmptySquare) return FALSE; /* unknown piece */
16565 piece = (ChessSquare) (PROMOTED piece ); p++;
16566 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16567 } else piece = CharToPiece(*p++);
16569 if(piece==EmptySquare) return FALSE; /* unknown piece */
16570 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16571 piece = (ChessSquare) (PROMOTED piece);
16572 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16575 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16581 while (*p == '/' || *p == ' ') p++;
16583 /* [HGM] look for Crazyhouse holdings here */
16584 while(*p==' ') p++;
16585 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16587 if(*p == '-' ) p++; /* empty holdings */ else {
16588 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16589 /* if we would allow FEN reading to set board size, we would */
16590 /* have to add holdings and shift the board read so far here */
16591 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16593 if((int) piece >= (int) BlackPawn ) {
16594 i = (int)piece - (int)BlackPawn;
16595 i = PieceToNumber((ChessSquare)i);
16596 if( i >= gameInfo.holdingsSize ) return FALSE;
16597 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16598 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16600 i = (int)piece - (int)WhitePawn;
16601 i = PieceToNumber((ChessSquare)i);
16602 if( i >= gameInfo.holdingsSize ) return FALSE;
16603 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16604 board[i][BOARD_WIDTH-2]++; /* black holdings */
16611 while(*p == ' ') p++;
16615 if(appData.colorNickNames) {
16616 if( c == appData.colorNickNames[0] ) c = 'w'; else
16617 if( c == appData.colorNickNames[1] ) c = 'b';
16621 *blackPlaysFirst = FALSE;
16624 *blackPlaysFirst = TRUE;
16630 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16631 /* return the extra info in global variiables */
16633 /* set defaults in case FEN is incomplete */
16634 board[EP_STATUS] = EP_UNKNOWN;
16635 for(i=0; i<nrCastlingRights; i++ ) {
16636 board[CASTLING][i] =
16637 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16638 } /* assume possible unless obviously impossible */
16639 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16640 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16641 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16642 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16643 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16644 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16645 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16646 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16649 while(*p==' ') p++;
16650 if(nrCastlingRights) {
16651 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16652 /* castling indicator present, so default becomes no castlings */
16653 for(i=0; i<nrCastlingRights; i++ ) {
16654 board[CASTLING][i] = NoRights;
16657 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16658 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16659 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16660 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16661 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16663 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16664 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16665 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16667 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16668 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16669 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16670 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16671 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16672 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16675 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16676 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16677 board[CASTLING][2] = whiteKingFile;
16680 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16681 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16682 board[CASTLING][2] = whiteKingFile;
16685 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16686 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16687 board[CASTLING][5] = blackKingFile;
16690 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16691 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16692 board[CASTLING][5] = blackKingFile;
16695 default: /* FRC castlings */
16696 if(c >= 'a') { /* black rights */
16697 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16698 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16699 if(i == BOARD_RGHT) break;
16700 board[CASTLING][5] = i;
16702 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16703 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16705 board[CASTLING][3] = c;
16707 board[CASTLING][4] = c;
16708 } else { /* white rights */
16709 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16710 if(board[0][i] == WhiteKing) break;
16711 if(i == BOARD_RGHT) break;
16712 board[CASTLING][2] = i;
16713 c -= AAA - 'a' + 'A';
16714 if(board[0][c] >= WhiteKing) break;
16716 board[CASTLING][0] = c;
16718 board[CASTLING][1] = c;
16722 for(i=0; i<nrCastlingRights; i++)
16723 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16724 if (appData.debugMode) {
16725 fprintf(debugFP, "FEN castling rights:");
16726 for(i=0; i<nrCastlingRights; i++)
16727 fprintf(debugFP, " %d", board[CASTLING][i]);
16728 fprintf(debugFP, "\n");
16731 while(*p==' ') p++;
16734 /* read e.p. field in games that know e.p. capture */
16735 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16736 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16738 p++; board[EP_STATUS] = EP_NONE;
16740 char c = *p++ - AAA;
16742 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16743 if(*p >= '0' && *p <='9') p++;
16744 board[EP_STATUS] = c;
16749 if(sscanf(p, "%d", &i) == 1) {
16750 FENrulePlies = i; /* 50-move ply counter */
16751 /* (The move number is still ignored) */
16758 EditPositionPasteFEN(char *fen)
16761 Board initial_position;
16763 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16764 DisplayError(_("Bad FEN position in clipboard"), 0);
16767 int savedBlackPlaysFirst = blackPlaysFirst;
16768 EditPositionEvent();
16769 blackPlaysFirst = savedBlackPlaysFirst;
16770 CopyBoard(boards[0], initial_position);
16771 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16772 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16773 DisplayBothClocks();
16774 DrawPosition(FALSE, boards[currentMove]);
16779 static char cseq[12] = "\\ ";
16781 Boolean set_cont_sequence(char *new_seq)
16786 // handle bad attempts to set the sequence
16788 return 0; // acceptable error - no debug
16790 len = strlen(new_seq);
16791 ret = (len > 0) && (len < sizeof(cseq));
16793 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16794 else if (appData.debugMode)
16795 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16800 reformat a source message so words don't cross the width boundary. internal
16801 newlines are not removed. returns the wrapped size (no null character unless
16802 included in source message). If dest is NULL, only calculate the size required
16803 for the dest buffer. lp argument indicats line position upon entry, and it's
16804 passed back upon exit.
16806 int wrap(char *dest, char *src, int count, int width, int *lp)
16808 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16810 cseq_len = strlen(cseq);
16811 old_line = line = *lp;
16812 ansi = len = clen = 0;
16814 for (i=0; i < count; i++)
16816 if (src[i] == '\033')
16819 // if we hit the width, back up
16820 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16822 // store i & len in case the word is too long
16823 old_i = i, old_len = len;
16825 // find the end of the last word
16826 while (i && src[i] != ' ' && src[i] != '\n')
16832 // word too long? restore i & len before splitting it
16833 if ((old_i-i+clen) >= width)
16840 if (i && src[i-1] == ' ')
16843 if (src[i] != ' ' && src[i] != '\n')
16850 // now append the newline and continuation sequence
16855 strncpy(dest+len, cseq, cseq_len);
16863 dest[len] = src[i];
16867 if (src[i] == '\n')
16872 if (dest && appData.debugMode)
16874 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16875 count, width, line, len, *lp);
16876 show_bytes(debugFP, src, count);
16877 fprintf(debugFP, "\ndest: ");
16878 show_bytes(debugFP, dest, len);
16879 fprintf(debugFP, "\n");
16881 *lp = dest ? line : old_line;
16886 // [HGM] vari: routines for shelving variations
16887 Boolean modeRestore = FALSE;
16890 PushInner(int firstMove, int lastMove)
16892 int i, j, nrMoves = lastMove - firstMove;
16894 // push current tail of game on stack
16895 savedResult[storedGames] = gameInfo.result;
16896 savedDetails[storedGames] = gameInfo.resultDetails;
16897 gameInfo.resultDetails = NULL;
16898 savedFirst[storedGames] = firstMove;
16899 savedLast [storedGames] = lastMove;
16900 savedFramePtr[storedGames] = framePtr;
16901 framePtr -= nrMoves; // reserve space for the boards
16902 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16903 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16904 for(j=0; j<MOVE_LEN; j++)
16905 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16906 for(j=0; j<2*MOVE_LEN; j++)
16907 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16908 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16909 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16910 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16911 pvInfoList[firstMove+i-1].depth = 0;
16912 commentList[framePtr+i] = commentList[firstMove+i];
16913 commentList[firstMove+i] = NULL;
16917 forwardMostMove = firstMove; // truncate game so we can start variation
16921 PushTail(int firstMove, int lastMove)
16923 if(appData.icsActive) { // only in local mode
16924 forwardMostMove = currentMove; // mimic old ICS behavior
16927 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16929 PushInner(firstMove, lastMove);
16930 if(storedGames == 1) GreyRevert(FALSE);
16931 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16935 PopInner(Boolean annotate)
16938 char buf[8000], moveBuf[20];
16940 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16941 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16942 nrMoves = savedLast[storedGames] - currentMove;
16945 if(!WhiteOnMove(currentMove))
16946 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16947 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16948 for(i=currentMove; i<forwardMostMove; i++) {
16950 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16951 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16952 strcat(buf, moveBuf);
16953 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16954 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16958 for(i=1; i<=nrMoves; i++) { // copy last variation back
16959 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16960 for(j=0; j<MOVE_LEN; j++)
16961 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16962 for(j=0; j<2*MOVE_LEN; j++)
16963 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16964 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16965 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16966 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16967 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16968 commentList[currentMove+i] = commentList[framePtr+i];
16969 commentList[framePtr+i] = NULL;
16971 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16972 framePtr = savedFramePtr[storedGames];
16973 gameInfo.result = savedResult[storedGames];
16974 if(gameInfo.resultDetails != NULL) {
16975 free(gameInfo.resultDetails);
16977 gameInfo.resultDetails = savedDetails[storedGames];
16978 forwardMostMove = currentMove + nrMoves;
16982 PopTail(Boolean annotate)
16984 if(appData.icsActive) return FALSE; // only in local mode
16985 if(!storedGames) return FALSE; // sanity
16986 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16988 PopInner(annotate);
16989 if(currentMove < forwardMostMove) ForwardEvent(); else
16990 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
16992 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
16998 { // remove all shelved variations
17000 for(i=0; i<storedGames; i++) {
17001 if(savedDetails[i])
17002 free(savedDetails[i]);
17003 savedDetails[i] = NULL;
17005 for(i=framePtr; i<MAX_MOVES; i++) {
17006 if(commentList[i]) free(commentList[i]);
17007 commentList[i] = NULL;
17009 framePtr = MAX_MOVES-1;
17014 LoadVariation(int index, char *text)
17015 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17016 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17017 int level = 0, move;
17019 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17020 // first find outermost bracketing variation
17021 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17022 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17023 if(*p == '{') wait = '}'; else
17024 if(*p == '[') wait = ']'; else
17025 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17026 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17028 if(*p == wait) wait = NULLCHAR; // closing ]} found
17031 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17032 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17033 end[1] = NULLCHAR; // clip off comment beyond variation
17034 ToNrEvent(currentMove-1);
17035 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17036 // kludge: use ParsePV() to append variation to game
17037 move = currentMove;
17038 ParsePV(start, TRUE, TRUE);
17039 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17040 ClearPremoveHighlights();
17042 ToNrEvent(currentMove+1);