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;
5139 if(!step) step = -1;
5140 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5141 appData.testLegality && (promoSweep == king ||
5142 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5143 ChangeDragPiece(promoSweep);
5146 int PromoScroll(int x, int y)
5150 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5151 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5152 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5153 if(!step) return FALSE;
5154 lastX = x; lastY = y;
5155 if((promoSweep < BlackPawn) == flipView) step = -step;
5156 if(step > 0) selectFlag = 1;
5157 if(!selectFlag) Sweep(step);
5164 ChessSquare piece = boards[currentMove][toY][toX];
5167 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5168 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5169 if(!step) step = -1;
5170 } while(PieceToChar(pieceSweep) == '.');
5171 boards[currentMove][toY][toX] = pieceSweep;
5172 DrawPosition(FALSE, boards[currentMove]);
5173 boards[currentMove][toY][toX] = piece;
5175 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5177 AlphaRank(char *move, int n)
5179 // char *p = move, c; int x, y;
5181 if (appData.debugMode) {
5182 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5186 move[2]>='0' && move[2]<='9' &&
5187 move[3]>='a' && move[3]<='x' ) {
5189 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5190 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5192 if(move[0]>='0' && move[0]<='9' &&
5193 move[1]>='a' && move[1]<='x' &&
5194 move[2]>='0' && move[2]<='9' &&
5195 move[3]>='a' && move[3]<='x' ) {
5196 /* input move, Shogi -> normal */
5197 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5198 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5199 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5200 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5203 move[3]>='0' && move[3]<='9' &&
5204 move[2]>='a' && move[2]<='x' ) {
5206 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5207 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5210 move[0]>='a' && move[0]<='x' &&
5211 move[3]>='0' && move[3]<='9' &&
5212 move[2]>='a' && move[2]<='x' ) {
5213 /* output move, normal -> Shogi */
5214 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5215 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5216 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5217 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5218 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5220 if (appData.debugMode) {
5221 fprintf(debugFP, " out = '%s'\n", move);
5225 char yy_textstr[8000];
5227 /* Parser for moves from gnuchess, ICS, or user typein box */
5229 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5232 ChessMove *moveType;
5233 int *fromX, *fromY, *toX, *toY;
5236 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5238 switch (*moveType) {
5239 case WhitePromotion:
5240 case BlackPromotion:
5241 case WhiteNonPromotion:
5242 case BlackNonPromotion:
5244 case WhiteCapturesEnPassant:
5245 case BlackCapturesEnPassant:
5246 case WhiteKingSideCastle:
5247 case WhiteQueenSideCastle:
5248 case BlackKingSideCastle:
5249 case BlackQueenSideCastle:
5250 case WhiteKingSideCastleWild:
5251 case WhiteQueenSideCastleWild:
5252 case BlackKingSideCastleWild:
5253 case BlackQueenSideCastleWild:
5254 /* Code added by Tord: */
5255 case WhiteHSideCastleFR:
5256 case WhiteASideCastleFR:
5257 case BlackHSideCastleFR:
5258 case BlackASideCastleFR:
5259 /* End of code added by Tord */
5260 case IllegalMove: /* bug or odd chess variant */
5261 *fromX = currentMoveString[0] - AAA;
5262 *fromY = currentMoveString[1] - ONE;
5263 *toX = currentMoveString[2] - AAA;
5264 *toY = currentMoveString[3] - ONE;
5265 *promoChar = currentMoveString[4];
5266 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5267 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5268 if (appData.debugMode) {
5269 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5271 *fromX = *fromY = *toX = *toY = 0;
5274 if (appData.testLegality) {
5275 return (*moveType != IllegalMove);
5277 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5278 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5283 *fromX = *moveType == WhiteDrop ?
5284 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5285 (int) CharToPiece(ToLower(currentMoveString[0]));
5287 *toX = currentMoveString[2] - AAA;
5288 *toY = currentMoveString[3] - ONE;
5289 *promoChar = NULLCHAR;
5293 case ImpossibleMove:
5303 if (appData.debugMode) {
5304 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5307 *fromX = *fromY = *toX = *toY = 0;
5308 *promoChar = NULLCHAR;
5313 Boolean pushed = FALSE;
5314 char *lastParseAttempt;
5317 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5318 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5319 int fromX, fromY, toX, toY; char promoChar;
5324 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5325 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5328 endPV = forwardMostMove;
5330 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5331 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5332 lastParseAttempt = pv;
5333 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5334 if(appData.debugMode){
5335 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
5337 if(!valid && nr == 0 &&
5338 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5339 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5340 // Hande case where played move is different from leading PV move
5341 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5342 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5343 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5344 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5345 endPV += 2; // if position different, keep this
5346 moveList[endPV-1][0] = fromX + AAA;
5347 moveList[endPV-1][1] = fromY + ONE;
5348 moveList[endPV-1][2] = toX + AAA;
5349 moveList[endPV-1][3] = toY + ONE;
5350 parseList[endPV-1][0] = NULLCHAR;
5351 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5354 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5355 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5356 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5357 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5358 valid++; // allow comments in PV
5362 if(endPV+1 > framePtr) break; // no space, truncate
5365 CopyBoard(boards[endPV], boards[endPV-1]);
5366 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5367 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5368 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5369 CoordsToAlgebraic(boards[endPV - 1],
5370 PosFlags(endPV - 1),
5371 fromY, fromX, toY, toX, promoChar,
5372 parseList[endPV - 1]);
5374 if(atEnd == 2) return; // used hidden, for PV conversion
5375 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5376 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5377 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5378 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5379 DrawPosition(TRUE, boards[currentMove]);
5383 MultiPV(ChessProgramState *cps)
5384 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5386 for(i=0; i<cps->nrOptions; i++)
5387 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5393 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5395 int startPV, multi, lineStart, origIndex = index;
5396 char *p, buf2[MSG_SIZ];
5398 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5399 lastX = x; lastY = y;
5400 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5401 lineStart = startPV = index;
5402 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5403 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5405 do{ while(buf[index] && buf[index] != '\n') index++;
5406 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5408 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5409 int n = first.option[multi].value;
5410 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5411 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5412 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5413 first.option[multi].value = n;
5417 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5418 *start = startPV; *end = index-1;
5425 static char buf[10*MSG_SIZ];
5426 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5428 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5429 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5430 for(i = forwardMostMove; i<endPV; i++){
5431 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5432 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5435 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5436 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5442 LoadPV(int x, int y)
5443 { // called on right mouse click to load PV
5444 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5445 lastX = x; lastY = y;
5446 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5453 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5454 if(endPV < 0) return;
5456 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5457 Boolean saveAnimate = appData.animate;
5459 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5460 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5461 } else storedGames--; // abandon shelved tail of original game
5464 forwardMostMove = currentMove;
5465 currentMove = oldFMM;
5466 appData.animate = FALSE;
5467 ToNrEvent(forwardMostMove);
5468 appData.animate = saveAnimate;
5470 currentMove = forwardMostMove;
5471 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5472 ClearPremoveHighlights();
5473 DrawPosition(TRUE, boards[currentMove]);
5477 MovePV(int x, int y, int h)
5478 { // step through PV based on mouse coordinates (called on mouse move)
5479 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5481 // we must somehow check if right button is still down (might be released off board!)
5482 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5483 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5484 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5486 lastX = x; lastY = y;
5488 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5489 if(endPV < 0) return;
5490 if(y < margin) step = 1; else
5491 if(y > h - margin) step = -1;
5492 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5493 currentMove += step;
5494 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5495 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5496 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5497 DrawPosition(FALSE, boards[currentMove]);
5501 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5502 // All positions will have equal probability, but the current method will not provide a unique
5503 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5509 int piecesLeft[(int)BlackPawn];
5510 int seed, nrOfShuffles;
5512 void GetPositionNumber()
5513 { // sets global variable seed
5516 seed = appData.defaultFrcPosition;
5517 if(seed < 0) { // randomize based on time for negative FRC position numbers
5518 for(i=0; i<50; i++) seed += random();
5519 seed = random() ^ random() >> 8 ^ random() << 8;
5520 if(seed<0) seed = -seed;
5524 int put(Board board, int pieceType, int rank, int n, int shade)
5525 // put the piece on the (n-1)-th empty squares of the given shade
5529 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5530 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5531 board[rank][i] = (ChessSquare) pieceType;
5532 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5534 piecesLeft[pieceType]--;
5542 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5543 // calculate where the next piece goes, (any empty square), and put it there
5547 i = seed % squaresLeft[shade];
5548 nrOfShuffles *= squaresLeft[shade];
5549 seed /= squaresLeft[shade];
5550 put(board, pieceType, rank, i, shade);
5553 void AddTwoPieces(Board board, int pieceType, int rank)
5554 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5556 int i, n=squaresLeft[ANY], j=n-1, k;
5558 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5559 i = seed % k; // pick one
5562 while(i >= j) i -= j--;
5563 j = n - 1 - j; i += j;
5564 put(board, pieceType, rank, j, ANY);
5565 put(board, pieceType, rank, i, ANY);
5568 void SetUpShuffle(Board board, int number)
5572 GetPositionNumber(); nrOfShuffles = 1;
5574 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5575 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5576 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5578 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5580 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5581 p = (int) board[0][i];
5582 if(p < (int) BlackPawn) piecesLeft[p] ++;
5583 board[0][i] = EmptySquare;
5586 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5587 // shuffles restricted to allow normal castling put KRR first
5588 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5589 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5590 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5591 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5592 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5593 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5594 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5595 put(board, WhiteRook, 0, 0, ANY);
5596 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5599 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5600 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5601 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5602 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5603 while(piecesLeft[p] >= 2) {
5604 AddOnePiece(board, p, 0, LITE);
5605 AddOnePiece(board, p, 0, DARK);
5607 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5610 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5611 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5612 // but we leave King and Rooks for last, to possibly obey FRC restriction
5613 if(p == (int)WhiteRook) continue;
5614 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5615 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5618 // now everything is placed, except perhaps King (Unicorn) and Rooks
5620 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5621 // Last King gets castling rights
5622 while(piecesLeft[(int)WhiteUnicorn]) {
5623 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5624 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5627 while(piecesLeft[(int)WhiteKing]) {
5628 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5629 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5634 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5635 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5638 // Only Rooks can be left; simply place them all
5639 while(piecesLeft[(int)WhiteRook]) {
5640 i = put(board, WhiteRook, 0, 0, ANY);
5641 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5644 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5646 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5649 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5650 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5653 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5656 int SetCharTable( char *table, const char * map )
5657 /* [HGM] moved here from winboard.c because of its general usefulness */
5658 /* Basically a safe strcpy that uses the last character as King */
5660 int result = FALSE; int NrPieces;
5662 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5663 && NrPieces >= 12 && !(NrPieces&1)) {
5664 int i; /* [HGM] Accept even length from 12 to 34 */
5666 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5667 for( i=0; i<NrPieces/2-1; i++ ) {
5669 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5671 table[(int) WhiteKing] = map[NrPieces/2-1];
5672 table[(int) BlackKing] = map[NrPieces-1];
5680 void Prelude(Board board)
5681 { // [HGM] superchess: random selection of exo-pieces
5682 int i, j, k; ChessSquare p;
5683 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5685 GetPositionNumber(); // use FRC position number
5687 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5688 SetCharTable(pieceToChar, appData.pieceToCharTable);
5689 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5690 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5693 j = seed%4; seed /= 4;
5694 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5695 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5696 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5697 j = seed%3 + (seed%3 >= j); seed /= 3;
5698 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5699 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5700 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5701 j = seed%3; seed /= 3;
5702 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5703 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5704 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5705 j = seed%2 + (seed%2 >= j); seed /= 2;
5706 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5707 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5708 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5709 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5710 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5711 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5712 put(board, exoPieces[0], 0, 0, ANY);
5713 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5717 InitPosition(redraw)
5720 ChessSquare (* pieces)[BOARD_FILES];
5721 int i, j, pawnRow, overrule,
5722 oldx = gameInfo.boardWidth,
5723 oldy = gameInfo.boardHeight,
5724 oldh = gameInfo.holdingsWidth;
5727 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5729 /* [AS] Initialize pv info list [HGM] and game status */
5731 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5732 pvInfoList[i].depth = 0;
5733 boards[i][EP_STATUS] = EP_NONE;
5734 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5737 initialRulePlies = 0; /* 50-move counter start */
5739 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5740 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5744 /* [HGM] logic here is completely changed. In stead of full positions */
5745 /* the initialized data only consist of the two backranks. The switch */
5746 /* selects which one we will use, which is than copied to the Board */
5747 /* initialPosition, which for the rest is initialized by Pawns and */
5748 /* empty squares. This initial position is then copied to boards[0], */
5749 /* possibly after shuffling, so that it remains available. */
5751 gameInfo.holdingsWidth = 0; /* default board sizes */
5752 gameInfo.boardWidth = 8;
5753 gameInfo.boardHeight = 8;
5754 gameInfo.holdingsSize = 0;
5755 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5756 for(i=0; i<BOARD_FILES-2; i++)
5757 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5758 initialPosition[EP_STATUS] = EP_NONE;
5759 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5760 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5761 SetCharTable(pieceNickName, appData.pieceNickNames);
5762 else SetCharTable(pieceNickName, "............");
5765 switch (gameInfo.variant) {
5766 case VariantFischeRandom:
5767 shuffleOpenings = TRUE;
5770 case VariantShatranj:
5771 pieces = ShatranjArray;
5772 nrCastlingRights = 0;
5773 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5776 pieces = makrukArray;
5777 nrCastlingRights = 0;
5778 startedFromSetupPosition = TRUE;
5779 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5781 case VariantTwoKings:
5782 pieces = twoKingsArray;
5785 pieces = GrandArray;
5786 nrCastlingRights = 0;
5787 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5788 gameInfo.boardWidth = 10;
5789 gameInfo.boardHeight = 10;
5790 gameInfo.holdingsSize = 7;
5792 case VariantCapaRandom:
5793 shuffleOpenings = TRUE;
5794 case VariantCapablanca:
5795 pieces = CapablancaArray;
5796 gameInfo.boardWidth = 10;
5797 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5800 pieces = GothicArray;
5801 gameInfo.boardWidth = 10;
5802 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5805 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5806 gameInfo.holdingsSize = 7;
5809 pieces = JanusArray;
5810 gameInfo.boardWidth = 10;
5811 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5812 nrCastlingRights = 6;
5813 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5814 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5815 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5816 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5817 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5818 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5821 pieces = FalconArray;
5822 gameInfo.boardWidth = 10;
5823 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5825 case VariantXiangqi:
5826 pieces = XiangqiArray;
5827 gameInfo.boardWidth = 9;
5828 gameInfo.boardHeight = 10;
5829 nrCastlingRights = 0;
5830 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5833 pieces = ShogiArray;
5834 gameInfo.boardWidth = 9;
5835 gameInfo.boardHeight = 9;
5836 gameInfo.holdingsSize = 7;
5837 nrCastlingRights = 0;
5838 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5840 case VariantCourier:
5841 pieces = CourierArray;
5842 gameInfo.boardWidth = 12;
5843 nrCastlingRights = 0;
5844 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5846 case VariantKnightmate:
5847 pieces = KnightmateArray;
5848 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5850 case VariantSpartan:
5851 pieces = SpartanArray;
5852 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5855 pieces = fairyArray;
5856 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5859 pieces = GreatArray;
5860 gameInfo.boardWidth = 10;
5861 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5862 gameInfo.holdingsSize = 8;
5866 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5867 gameInfo.holdingsSize = 8;
5868 startedFromSetupPosition = TRUE;
5870 case VariantCrazyhouse:
5871 case VariantBughouse:
5873 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5874 gameInfo.holdingsSize = 5;
5876 case VariantWildCastle:
5878 /* !!?shuffle with kings guaranteed to be on d or e file */
5879 shuffleOpenings = 1;
5881 case VariantNoCastle:
5883 nrCastlingRights = 0;
5884 /* !!?unconstrained back-rank shuffle */
5885 shuffleOpenings = 1;
5890 if(appData.NrFiles >= 0) {
5891 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5892 gameInfo.boardWidth = appData.NrFiles;
5894 if(appData.NrRanks >= 0) {
5895 gameInfo.boardHeight = appData.NrRanks;
5897 if(appData.holdingsSize >= 0) {
5898 i = appData.holdingsSize;
5899 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5900 gameInfo.holdingsSize = i;
5902 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5903 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5904 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5906 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5907 if(pawnRow < 1) pawnRow = 1;
5908 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5910 /* User pieceToChar list overrules defaults */
5911 if(appData.pieceToCharTable != NULL)
5912 SetCharTable(pieceToChar, appData.pieceToCharTable);
5914 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5916 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5917 s = (ChessSquare) 0; /* account holding counts in guard band */
5918 for( i=0; i<BOARD_HEIGHT; i++ )
5919 initialPosition[i][j] = s;
5921 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5922 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5923 initialPosition[pawnRow][j] = WhitePawn;
5924 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5925 if(gameInfo.variant == VariantXiangqi) {
5927 initialPosition[pawnRow][j] =
5928 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5929 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5930 initialPosition[2][j] = WhiteCannon;
5931 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5935 if(gameInfo.variant == VariantGrand) {
5936 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5937 initialPosition[0][j] = WhiteRook;
5938 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5941 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5943 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5946 initialPosition[1][j] = WhiteBishop;
5947 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5949 initialPosition[1][j] = WhiteRook;
5950 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5953 if( nrCastlingRights == -1) {
5954 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5955 /* This sets default castling rights from none to normal corners */
5956 /* Variants with other castling rights must set them themselves above */
5957 nrCastlingRights = 6;
5959 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5960 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5961 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5962 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5963 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5964 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5967 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5968 if(gameInfo.variant == VariantGreat) { // promotion commoners
5969 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5970 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5971 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5972 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5974 if( gameInfo.variant == VariantSChess ) {
5975 initialPosition[1][0] = BlackMarshall;
5976 initialPosition[2][0] = BlackAngel;
5977 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5978 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5979 initialPosition[1][1] = initialPosition[2][1] =
5980 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5982 if (appData.debugMode) {
5983 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5985 if(shuffleOpenings) {
5986 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5987 startedFromSetupPosition = TRUE;
5989 if(startedFromPositionFile) {
5990 /* [HGM] loadPos: use PositionFile for every new game */
5991 CopyBoard(initialPosition, filePosition);
5992 for(i=0; i<nrCastlingRights; i++)
5993 initialRights[i] = filePosition[CASTLING][i];
5994 startedFromSetupPosition = TRUE;
5997 CopyBoard(boards[0], initialPosition);
5999 if(oldx != gameInfo.boardWidth ||
6000 oldy != gameInfo.boardHeight ||
6001 oldv != gameInfo.variant ||
6002 oldh != gameInfo.holdingsWidth
6004 InitDrawingSizes(-2 ,0);
6006 oldv = gameInfo.variant;
6008 DrawPosition(TRUE, boards[currentMove]);
6012 SendBoard(cps, moveNum)
6013 ChessProgramState *cps;
6016 char message[MSG_SIZ];
6018 if (cps->useSetboard) {
6019 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6020 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6021 SendToProgram(message, cps);
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 static char resdet[MSG_SIZ];
7630 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7632 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7634 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7635 break; // Abort repetition-checking loop.
7637 // if neither of us is checking or chasing all the time, or both are, it is draw
7639 if(engineOpponent) {
7640 SendToProgram("force\n", engineOpponent); // suppress reply
7641 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7643 GameEnds( result, details, GE_XBOARD );
7646 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7647 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7651 /* Now we test for 50-move draws. Determine ply count */
7652 count = forwardMostMove;
7653 /* look for last irreversble move */
7654 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7656 /* if we hit starting position, add initial plies */
7657 if( count == backwardMostMove )
7658 count -= initialRulePlies;
7659 count = forwardMostMove - count;
7660 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7661 // adjust reversible move counter for checks in Xiangqi
7662 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7663 if(i < backwardMostMove) i = backwardMostMove;
7664 while(i <= forwardMostMove) {
7665 lastCheck = inCheck; // check evasion does not count
7666 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7667 if(inCheck || lastCheck) count--; // check does not count
7672 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7673 /* this is used to judge if draw claims are legal */
7674 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7675 if(engineOpponent) {
7676 SendToProgram("force\n", engineOpponent); // suppress reply
7677 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7679 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7683 /* if draw offer is pending, treat it as a draw claim
7684 * when draw condition present, to allow engines a way to
7685 * claim draws before making their move to avoid a race
7686 * condition occurring after their move
7688 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7690 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7691 p = "Draw claim: 50-move rule";
7692 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7693 p = "Draw claim: 3-fold repetition";
7694 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7695 p = "Draw claim: insufficient mating material";
7696 if( p != NULL && canAdjudicate) {
7697 if(engineOpponent) {
7698 SendToProgram("force\n", engineOpponent); // suppress reply
7699 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7701 GameEnds( GameIsDrawn, p, GE_XBOARD );
7706 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7707 if(engineOpponent) {
7708 SendToProgram("force\n", engineOpponent); // suppress reply
7709 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7711 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7717 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7718 { // [HGM] book: this routine intercepts moves to simulate book replies
7719 char *bookHit = NULL;
7721 //first determine if the incoming move brings opponent into his book
7722 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7723 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7724 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7725 if(bookHit != NULL && !cps->bookSuspend) {
7726 // make sure opponent is not going to reply after receiving move to book position
7727 SendToProgram("force\n", cps);
7728 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7730 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7731 // now arrange restart after book miss
7733 // after a book hit we never send 'go', and the code after the call to this routine
7734 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7735 char buf[MSG_SIZ], *move = bookHit;
7737 int fromX, fromY, toX, toY;
7741 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7742 &fromX, &fromY, &toX, &toY, &promoChar)) {
7743 (void) CoordsToAlgebraic(boards[forwardMostMove],
7744 PosFlags(forwardMostMove),
7745 fromY, fromX, toY, toX, promoChar, move);
7747 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7751 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7752 SendToProgram(buf, cps);
7753 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7754 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7755 SendToProgram("go\n", cps);
7756 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7757 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7758 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7759 SendToProgram("go\n", cps);
7760 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7762 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7766 ChessProgramState *savedState;
7767 void DeferredBookMove(void)
7769 if(savedState->lastPing != savedState->lastPong)
7770 ScheduleDelayedEvent(DeferredBookMove, 10);
7772 HandleMachineMove(savedMessage, savedState);
7775 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7778 HandleMachineMove(message, cps)
7780 ChessProgramState *cps;
7782 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7783 char realname[MSG_SIZ];
7784 int fromX, fromY, toX, toY;
7791 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7792 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7793 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7794 DisplayError(_("Invalid pairing from pairing engine"), 0);
7797 pairingReceived = 1;
7799 return; // Skim the pairing messages here.
7804 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7806 * Kludge to ignore BEL characters
7808 while (*message == '\007') message++;
7811 * [HGM] engine debug message: ignore lines starting with '#' character
7813 if(cps->debug && *message == '#') return;
7816 * Look for book output
7818 if (cps == &first && bookRequested) {
7819 if (message[0] == '\t' || message[0] == ' ') {
7820 /* Part of the book output is here; append it */
7821 strcat(bookOutput, message);
7822 strcat(bookOutput, " \n");
7824 } else if (bookOutput[0] != NULLCHAR) {
7825 /* All of book output has arrived; display it */
7826 char *p = bookOutput;
7827 while (*p != NULLCHAR) {
7828 if (*p == '\t') *p = ' ';
7831 DisplayInformation(bookOutput);
7832 bookRequested = FALSE;
7833 /* Fall through to parse the current output */
7838 * Look for machine move.
7840 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7841 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7843 /* This method is only useful on engines that support ping */
7844 if (cps->lastPing != cps->lastPong) {
7845 if (gameMode == BeginningOfGame) {
7846 /* Extra move from before last new; ignore */
7847 if (appData.debugMode) {
7848 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7851 if (appData.debugMode) {
7852 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7853 cps->which, gameMode);
7856 SendToProgram("undo\n", cps);
7862 case BeginningOfGame:
7863 /* Extra move from before last reset; ignore */
7864 if (appData.debugMode) {
7865 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7872 /* Extra move after we tried to stop. The mode test is
7873 not a reliable way of detecting this problem, but it's
7874 the best we can do on engines that don't support ping.
7876 if (appData.debugMode) {
7877 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7878 cps->which, gameMode);
7880 SendToProgram("undo\n", cps);
7883 case MachinePlaysWhite:
7884 case IcsPlayingWhite:
7885 machineWhite = TRUE;
7888 case MachinePlaysBlack:
7889 case IcsPlayingBlack:
7890 machineWhite = FALSE;
7893 case TwoMachinesPlay:
7894 machineWhite = (cps->twoMachinesColor[0] == 'w');
7897 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7898 if (appData.debugMode) {
7900 "Ignoring move out of turn by %s, gameMode %d"
7901 ", forwardMost %d\n",
7902 cps->which, gameMode, forwardMostMove);
7907 if (appData.debugMode) { int f = forwardMostMove;
7908 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7909 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7910 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7912 if(cps->alphaRank) AlphaRank(machineMove, 4);
7913 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7914 &fromX, &fromY, &toX, &toY, &promoChar)) {
7915 /* Machine move could not be parsed; ignore it. */
7916 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7917 machineMove, _(cps->which));
7918 DisplayError(buf1, 0);
7919 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7920 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7921 if (gameMode == TwoMachinesPlay) {
7922 GameEnds(machineWhite ? BlackWins : WhiteWins,
7928 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7929 /* So we have to redo legality test with true e.p. status here, */
7930 /* to make sure an illegal e.p. capture does not slip through, */
7931 /* to cause a forfeit on a justified illegal-move complaint */
7932 /* of the opponent. */
7933 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7935 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7936 fromY, fromX, toY, toX, promoChar);
7937 if (appData.debugMode) {
7939 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7940 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7941 fprintf(debugFP, "castling rights\n");
7943 if(moveType == IllegalMove) {
7944 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7945 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7946 GameEnds(machineWhite ? BlackWins : WhiteWins,
7949 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7950 /* [HGM] Kludge to handle engines that send FRC-style castling
7951 when they shouldn't (like TSCP-Gothic) */
7953 case WhiteASideCastleFR:
7954 case BlackASideCastleFR:
7956 currentMoveString[2]++;
7958 case WhiteHSideCastleFR:
7959 case BlackHSideCastleFR:
7961 currentMoveString[2]--;
7963 default: ; // nothing to do, but suppresses warning of pedantic compilers
7966 hintRequested = FALSE;
7967 lastHint[0] = NULLCHAR;
7968 bookRequested = FALSE;
7969 /* Program may be pondering now */
7970 cps->maybeThinking = TRUE;
7971 if (cps->sendTime == 2) cps->sendTime = 1;
7972 if (cps->offeredDraw) cps->offeredDraw--;
7974 /* [AS] Save move info*/
7975 pvInfoList[ forwardMostMove ].score = programStats.score;
7976 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7977 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7979 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7981 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7982 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7985 while( count < adjudicateLossPlies ) {
7986 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7989 score = -score; /* Flip score for winning side */
7992 if( score > adjudicateLossThreshold ) {
7999 if( count >= adjudicateLossPlies ) {
8000 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8002 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8003 "Xboard adjudication",
8010 if(Adjudicate(cps)) {
8011 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8012 return; // [HGM] adjudicate: for all automatic game ends
8016 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8018 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8019 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8021 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8023 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8025 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8026 char buf[3*MSG_SIZ];
8028 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8029 programStats.score / 100.,
8031 programStats.time / 100.,
8032 (unsigned int)programStats.nodes,
8033 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8034 programStats.movelist);
8036 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8041 /* [AS] Clear stats for next move */
8042 ClearProgramStats();
8043 thinkOutput[0] = NULLCHAR;
8044 hiddenThinkOutputState = 0;
8047 if (gameMode == TwoMachinesPlay) {
8048 /* [HGM] relaying draw offers moved to after reception of move */
8049 /* and interpreting offer as claim if it brings draw condition */
8050 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8051 SendToProgram("draw\n", cps->other);
8053 if (cps->other->sendTime) {
8054 SendTimeRemaining(cps->other,
8055 cps->other->twoMachinesColor[0] == 'w');
8057 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8058 if (firstMove && !bookHit) {
8060 if (cps->other->useColors) {
8061 SendToProgram(cps->other->twoMachinesColor, cps->other);
8063 SendToProgram("go\n", cps->other);
8065 cps->other->maybeThinking = TRUE;
8068 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8070 if (!pausing && appData.ringBellAfterMoves) {
8075 * Reenable menu items that were disabled while
8076 * machine was thinking
8078 if (gameMode != TwoMachinesPlay)
8079 SetUserThinkingEnables();
8081 // [HGM] book: after book hit opponent has received move and is now in force mode
8082 // force the book reply into it, and then fake that it outputted this move by jumping
8083 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8085 static char bookMove[MSG_SIZ]; // a bit generous?
8087 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8088 strcat(bookMove, bookHit);
8091 programStats.nodes = programStats.depth = programStats.time =
8092 programStats.score = programStats.got_only_move = 0;
8093 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8095 if(cps->lastPing != cps->lastPong) {
8096 savedMessage = message; // args for deferred call
8098 ScheduleDelayedEvent(DeferredBookMove, 10);
8107 /* Set special modes for chess engines. Later something general
8108 * could be added here; for now there is just one kludge feature,
8109 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8110 * when "xboard" is given as an interactive command.
8112 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8113 cps->useSigint = FALSE;
8114 cps->useSigterm = FALSE;
8116 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8117 ParseFeatures(message+8, cps);
8118 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8121 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8122 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8123 int dummy, s=6; char buf[MSG_SIZ];
8124 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8125 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8126 if(startedFromSetupPosition) return;
8127 ParseFEN(boards[0], &dummy, message+s);
8128 DrawPosition(TRUE, boards[0]);
8129 startedFromSetupPosition = TRUE;
8132 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8133 * want this, I was asked to put it in, and obliged.
8135 if (!strncmp(message, "setboard ", 9)) {
8136 Board initial_position;
8138 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8140 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8141 DisplayError(_("Bad FEN received from engine"), 0);
8145 CopyBoard(boards[0], initial_position);
8146 initialRulePlies = FENrulePlies;
8147 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8148 else gameMode = MachinePlaysBlack;
8149 DrawPosition(FALSE, boards[currentMove]);
8155 * Look for communication commands
8157 if (!strncmp(message, "telluser ", 9)) {
8158 if(message[9] == '\\' && message[10] == '\\')
8159 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8161 DisplayNote(message + 9);
8164 if (!strncmp(message, "tellusererror ", 14)) {
8166 if(message[14] == '\\' && message[15] == '\\')
8167 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8169 DisplayError(message + 14, 0);
8172 if (!strncmp(message, "tellopponent ", 13)) {
8173 if (appData.icsActive) {
8175 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8179 DisplayNote(message + 13);
8183 if (!strncmp(message, "tellothers ", 11)) {
8184 if (appData.icsActive) {
8186 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8192 if (!strncmp(message, "tellall ", 8)) {
8193 if (appData.icsActive) {
8195 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8199 DisplayNote(message + 8);
8203 if (strncmp(message, "warning", 7) == 0) {
8204 /* Undocumented feature, use tellusererror in new code */
8205 DisplayError(message, 0);
8208 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8209 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8210 strcat(realname, " query");
8211 AskQuestion(realname, buf2, buf1, cps->pr);
8214 /* Commands from the engine directly to ICS. We don't allow these to be
8215 * sent until we are logged on. Crafty kibitzes have been known to
8216 * interfere with the login process.
8219 if (!strncmp(message, "tellics ", 8)) {
8220 SendToICS(message + 8);
8224 if (!strncmp(message, "tellicsnoalias ", 15)) {
8225 SendToICS(ics_prefix);
8226 SendToICS(message + 15);
8230 /* The following are for backward compatibility only */
8231 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8232 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8233 SendToICS(ics_prefix);
8239 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8243 * If the move is illegal, cancel it and redraw the board.
8244 * Also deal with other error cases. Matching is rather loose
8245 * here to accommodate engines written before the spec.
8247 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8248 strncmp(message, "Error", 5) == 0) {
8249 if (StrStr(message, "name") ||
8250 StrStr(message, "rating") || StrStr(message, "?") ||
8251 StrStr(message, "result") || StrStr(message, "board") ||
8252 StrStr(message, "bk") || StrStr(message, "computer") ||
8253 StrStr(message, "variant") || StrStr(message, "hint") ||
8254 StrStr(message, "random") || StrStr(message, "depth") ||
8255 StrStr(message, "accepted")) {
8258 if (StrStr(message, "protover")) {
8259 /* Program is responding to input, so it's apparently done
8260 initializing, and this error message indicates it is
8261 protocol version 1. So we don't need to wait any longer
8262 for it to initialize and send feature commands. */
8263 FeatureDone(cps, 1);
8264 cps->protocolVersion = 1;
8267 cps->maybeThinking = FALSE;
8269 if (StrStr(message, "draw")) {
8270 /* Program doesn't have "draw" command */
8271 cps->sendDrawOffers = 0;
8274 if (cps->sendTime != 1 &&
8275 (StrStr(message, "time") || StrStr(message, "otim"))) {
8276 /* Program apparently doesn't have "time" or "otim" command */
8280 if (StrStr(message, "analyze")) {
8281 cps->analysisSupport = FALSE;
8282 cps->analyzing = FALSE;
8283 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8284 EditGameEvent(); // [HGM] try to preserve loaded game
8285 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8286 DisplayError(buf2, 0);
8289 if (StrStr(message, "(no matching move)st")) {
8290 /* Special kludge for GNU Chess 4 only */
8291 cps->stKludge = TRUE;
8292 SendTimeControl(cps, movesPerSession, timeControl,
8293 timeIncrement, appData.searchDepth,
8297 if (StrStr(message, "(no matching move)sd")) {
8298 /* Special kludge for GNU Chess 4 only */
8299 cps->sdKludge = TRUE;
8300 SendTimeControl(cps, movesPerSession, timeControl,
8301 timeIncrement, appData.searchDepth,
8305 if (!StrStr(message, "llegal")) {
8308 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8309 gameMode == IcsIdle) return;
8310 if (forwardMostMove <= backwardMostMove) return;
8311 if (pausing) PauseEvent();
8312 if(appData.forceIllegal) {
8313 // [HGM] illegal: machine refused move; force position after move into it
8314 SendToProgram("force\n", cps);
8315 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8316 // we have a real problem now, as SendBoard will use the a2a3 kludge
8317 // when black is to move, while there might be nothing on a2 or black
8318 // might already have the move. So send the board as if white has the move.
8319 // But first we must change the stm of the engine, as it refused the last move
8320 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8321 if(WhiteOnMove(forwardMostMove)) {
8322 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8323 SendBoard(cps, forwardMostMove); // kludgeless board
8325 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8326 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8327 SendBoard(cps, forwardMostMove+1); // kludgeless board
8329 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8330 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8331 gameMode == TwoMachinesPlay)
8332 SendToProgram("go\n", cps);
8335 if (gameMode == PlayFromGameFile) {
8336 /* Stop reading this game file */
8337 gameMode = EditGame;
8340 /* [HGM] illegal-move claim should forfeit game when Xboard */
8341 /* only passes fully legal moves */
8342 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8343 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8344 "False illegal-move claim", GE_XBOARD );
8345 return; // do not take back move we tested as valid
8347 currentMove = forwardMostMove-1;
8348 DisplayMove(currentMove-1); /* before DisplayMoveError */
8349 SwitchClocks(forwardMostMove-1); // [HGM] race
8350 DisplayBothClocks();
8351 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8352 parseList[currentMove], _(cps->which));
8353 DisplayMoveError(buf1);
8354 DrawPosition(FALSE, boards[currentMove]);
8357 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8358 /* Program has a broken "time" command that
8359 outputs a string not ending in newline.
8365 * If chess program startup fails, exit with an error message.
8366 * Attempts to recover here are futile.
8368 if ((StrStr(message, "unknown host") != NULL)
8369 || (StrStr(message, "No remote directory") != NULL)
8370 || (StrStr(message, "not found") != NULL)
8371 || (StrStr(message, "No such file") != NULL)
8372 || (StrStr(message, "can't alloc") != NULL)
8373 || (StrStr(message, "Permission denied") != NULL)) {
8375 cps->maybeThinking = FALSE;
8376 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8377 _(cps->which), cps->program, cps->host, message);
8378 RemoveInputSource(cps->isr);
8379 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8380 if(cps == &first) appData.noChessProgram = TRUE;
8381 DisplayError(buf1, 0);
8387 * Look for hint output
8389 if (sscanf(message, "Hint: %s", buf1) == 1) {
8390 if (cps == &first && hintRequested) {
8391 hintRequested = FALSE;
8392 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8393 &fromX, &fromY, &toX, &toY, &promoChar)) {
8394 (void) CoordsToAlgebraic(boards[forwardMostMove],
8395 PosFlags(forwardMostMove),
8396 fromY, fromX, toY, toX, promoChar, buf1);
8397 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8398 DisplayInformation(buf2);
8400 /* Hint move could not be parsed!? */
8401 snprintf(buf2, sizeof(buf2),
8402 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8403 buf1, _(cps->which));
8404 DisplayError(buf2, 0);
8407 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8413 * Ignore other messages if game is not in progress
8415 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8416 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8419 * look for win, lose, draw, or draw offer
8421 if (strncmp(message, "1-0", 3) == 0) {
8422 char *p, *q, *r = "";
8423 p = strchr(message, '{');
8431 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8433 } else if (strncmp(message, "0-1", 3) == 0) {
8434 char *p, *q, *r = "";
8435 p = strchr(message, '{');
8443 /* Kludge for Arasan 4.1 bug */
8444 if (strcmp(r, "Black resigns") == 0) {
8445 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8448 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8450 } else if (strncmp(message, "1/2", 3) == 0) {
8451 char *p, *q, *r = "";
8452 p = strchr(message, '{');
8461 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8464 } else if (strncmp(message, "White resign", 12) == 0) {
8465 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8467 } else if (strncmp(message, "Black resign", 12) == 0) {
8468 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8470 } else if (strncmp(message, "White matches", 13) == 0 ||
8471 strncmp(message, "Black matches", 13) == 0 ) {
8472 /* [HGM] ignore GNUShogi noises */
8474 } else if (strncmp(message, "White", 5) == 0 &&
8475 message[5] != '(' &&
8476 StrStr(message, "Black") == NULL) {
8477 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8479 } else if (strncmp(message, "Black", 5) == 0 &&
8480 message[5] != '(') {
8481 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8483 } else if (strcmp(message, "resign") == 0 ||
8484 strcmp(message, "computer resigns") == 0) {
8486 case MachinePlaysBlack:
8487 case IcsPlayingBlack:
8488 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8490 case MachinePlaysWhite:
8491 case IcsPlayingWhite:
8492 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8494 case TwoMachinesPlay:
8495 if (cps->twoMachinesColor[0] == 'w')
8496 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8498 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8505 } else if (strncmp(message, "opponent mates", 14) == 0) {
8507 case MachinePlaysBlack:
8508 case IcsPlayingBlack:
8509 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8511 case MachinePlaysWhite:
8512 case IcsPlayingWhite:
8513 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8515 case TwoMachinesPlay:
8516 if (cps->twoMachinesColor[0] == 'w')
8517 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8519 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8526 } else if (strncmp(message, "computer mates", 14) == 0) {
8528 case MachinePlaysBlack:
8529 case IcsPlayingBlack:
8530 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8532 case MachinePlaysWhite:
8533 case IcsPlayingWhite:
8534 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8536 case TwoMachinesPlay:
8537 if (cps->twoMachinesColor[0] == 'w')
8538 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8540 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8547 } else if (strncmp(message, "checkmate", 9) == 0) {
8548 if (WhiteOnMove(forwardMostMove)) {
8549 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8551 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8554 } else if (strstr(message, "Draw") != NULL ||
8555 strstr(message, "game is a draw") != NULL) {
8556 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8558 } else if (strstr(message, "offer") != NULL &&
8559 strstr(message, "draw") != NULL) {
8561 if (appData.zippyPlay && first.initDone) {
8562 /* Relay offer to ICS */
8563 SendToICS(ics_prefix);
8564 SendToICS("draw\n");
8567 cps->offeredDraw = 2; /* valid until this engine moves twice */
8568 if (gameMode == TwoMachinesPlay) {
8569 if (cps->other->offeredDraw) {
8570 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8571 /* [HGM] in two-machine mode we delay relaying draw offer */
8572 /* until after we also have move, to see if it is really claim */
8574 } else if (gameMode == MachinePlaysWhite ||
8575 gameMode == MachinePlaysBlack) {
8576 if (userOfferedDraw) {
8577 DisplayInformation(_("Machine accepts your draw offer"));
8578 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8580 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8587 * Look for thinking output
8589 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8590 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8592 int plylev, mvleft, mvtot, curscore, time;
8593 char mvname[MOVE_LEN];
8597 int prefixHint = FALSE;
8598 mvname[0] = NULLCHAR;
8601 case MachinePlaysBlack:
8602 case IcsPlayingBlack:
8603 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8605 case MachinePlaysWhite:
8606 case IcsPlayingWhite:
8607 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8612 case IcsObserving: /* [DM] icsEngineAnalyze */
8613 if (!appData.icsEngineAnalyze) ignore = TRUE;
8615 case TwoMachinesPlay:
8616 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8626 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8628 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8629 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8631 if (plyext != ' ' && plyext != '\t') {
8635 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8636 if( cps->scoreIsAbsolute &&
8637 ( gameMode == MachinePlaysBlack ||
8638 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8639 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8640 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8641 !WhiteOnMove(currentMove)
8644 curscore = -curscore;
8647 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8649 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8652 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8653 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8654 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8655 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8656 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8657 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8659 } else DisplayError("failed writing PV", 0);
8662 tempStats.depth = plylev;
8663 tempStats.nodes = nodes;
8664 tempStats.time = time;
8665 tempStats.score = curscore;
8666 tempStats.got_only_move = 0;
8668 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8671 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8672 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8673 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8674 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8675 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8676 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8677 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8678 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8681 /* Buffer overflow protection */
8682 if (pv[0] != NULLCHAR) {
8683 if (strlen(pv) >= sizeof(tempStats.movelist)
8684 && appData.debugMode) {
8686 "PV is too long; using the first %u bytes.\n",
8687 (unsigned) sizeof(tempStats.movelist) - 1);
8690 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8692 sprintf(tempStats.movelist, " no PV\n");
8695 if (tempStats.seen_stat) {
8696 tempStats.ok_to_send = 1;
8699 if (strchr(tempStats.movelist, '(') != NULL) {
8700 tempStats.line_is_book = 1;
8701 tempStats.nr_moves = 0;
8702 tempStats.moves_left = 0;
8704 tempStats.line_is_book = 0;
8707 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8708 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8710 SendProgramStatsToFrontend( cps, &tempStats );
8713 [AS] Protect the thinkOutput buffer from overflow... this
8714 is only useful if buf1 hasn't overflowed first!
8716 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8718 (gameMode == TwoMachinesPlay ?
8719 ToUpper(cps->twoMachinesColor[0]) : ' '),
8720 ((double) curscore) / 100.0,
8721 prefixHint ? lastHint : "",
8722 prefixHint ? " " : "" );
8724 if( buf1[0] != NULLCHAR ) {
8725 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8727 if( strlen(pv) > max_len ) {
8728 if( appData.debugMode) {
8729 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8731 pv[max_len+1] = '\0';
8734 strcat( thinkOutput, pv);
8737 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8738 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8739 DisplayMove(currentMove - 1);
8743 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8744 /* crafty (9.25+) says "(only move) <move>"
8745 * if there is only 1 legal move
8747 sscanf(p, "(only move) %s", buf1);
8748 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8749 sprintf(programStats.movelist, "%s (only move)", buf1);
8750 programStats.depth = 1;
8751 programStats.nr_moves = 1;
8752 programStats.moves_left = 1;
8753 programStats.nodes = 1;
8754 programStats.time = 1;
8755 programStats.got_only_move = 1;
8757 /* Not really, but we also use this member to
8758 mean "line isn't going to change" (Crafty
8759 isn't searching, so stats won't change) */
8760 programStats.line_is_book = 1;
8762 SendProgramStatsToFrontend( cps, &programStats );
8764 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8765 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8766 DisplayMove(currentMove - 1);
8769 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8770 &time, &nodes, &plylev, &mvleft,
8771 &mvtot, mvname) >= 5) {
8772 /* The stat01: line is from Crafty (9.29+) in response
8773 to the "." command */
8774 programStats.seen_stat = 1;
8775 cps->maybeThinking = TRUE;
8777 if (programStats.got_only_move || !appData.periodicUpdates)
8780 programStats.depth = plylev;
8781 programStats.time = time;
8782 programStats.nodes = nodes;
8783 programStats.moves_left = mvleft;
8784 programStats.nr_moves = mvtot;
8785 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8786 programStats.ok_to_send = 1;
8787 programStats.movelist[0] = '\0';
8789 SendProgramStatsToFrontend( cps, &programStats );
8793 } else if (strncmp(message,"++",2) == 0) {
8794 /* Crafty 9.29+ outputs this */
8795 programStats.got_fail = 2;
8798 } else if (strncmp(message,"--",2) == 0) {
8799 /* Crafty 9.29+ outputs this */
8800 programStats.got_fail = 1;
8803 } else if (thinkOutput[0] != NULLCHAR &&
8804 strncmp(message, " ", 4) == 0) {
8805 unsigned message_len;
8808 while (*p && *p == ' ') p++;
8810 message_len = strlen( p );
8812 /* [AS] Avoid buffer overflow */
8813 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8814 strcat(thinkOutput, " ");
8815 strcat(thinkOutput, p);
8818 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8819 strcat(programStats.movelist, " ");
8820 strcat(programStats.movelist, p);
8823 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8824 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8825 DisplayMove(currentMove - 1);
8833 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8834 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8836 ChessProgramStats cpstats;
8838 if (plyext != ' ' && plyext != '\t') {
8842 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8843 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8844 curscore = -curscore;
8847 cpstats.depth = plylev;
8848 cpstats.nodes = nodes;
8849 cpstats.time = time;
8850 cpstats.score = curscore;
8851 cpstats.got_only_move = 0;
8852 cpstats.movelist[0] = '\0';
8854 if (buf1[0] != NULLCHAR) {
8855 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8858 cpstats.ok_to_send = 0;
8859 cpstats.line_is_book = 0;
8860 cpstats.nr_moves = 0;
8861 cpstats.moves_left = 0;
8863 SendProgramStatsToFrontend( cps, &cpstats );
8870 /* Parse a game score from the character string "game", and
8871 record it as the history of the current game. The game
8872 score is NOT assumed to start from the standard position.
8873 The display is not updated in any way.
8876 ParseGameHistory(game)
8880 int fromX, fromY, toX, toY, boardIndex;
8885 if (appData.debugMode)
8886 fprintf(debugFP, "Parsing game history: %s\n", game);
8888 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8889 gameInfo.site = StrSave(appData.icsHost);
8890 gameInfo.date = PGNDate();
8891 gameInfo.round = StrSave("-");
8893 /* Parse out names of players */
8894 while (*game == ' ') game++;
8896 while (*game != ' ') *p++ = *game++;
8898 gameInfo.white = StrSave(buf);
8899 while (*game == ' ') game++;
8901 while (*game != ' ' && *game != '\n') *p++ = *game++;
8903 gameInfo.black = StrSave(buf);
8906 boardIndex = blackPlaysFirst ? 1 : 0;
8909 yyboardindex = boardIndex;
8910 moveType = (ChessMove) Myylex();
8912 case IllegalMove: /* maybe suicide chess, etc. */
8913 if (appData.debugMode) {
8914 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8915 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8916 setbuf(debugFP, NULL);
8918 case WhitePromotion:
8919 case BlackPromotion:
8920 case WhiteNonPromotion:
8921 case BlackNonPromotion:
8923 case WhiteCapturesEnPassant:
8924 case BlackCapturesEnPassant:
8925 case WhiteKingSideCastle:
8926 case WhiteQueenSideCastle:
8927 case BlackKingSideCastle:
8928 case BlackQueenSideCastle:
8929 case WhiteKingSideCastleWild:
8930 case WhiteQueenSideCastleWild:
8931 case BlackKingSideCastleWild:
8932 case BlackQueenSideCastleWild:
8934 case WhiteHSideCastleFR:
8935 case WhiteASideCastleFR:
8936 case BlackHSideCastleFR:
8937 case BlackASideCastleFR:
8939 fromX = currentMoveString[0] - AAA;
8940 fromY = currentMoveString[1] - ONE;
8941 toX = currentMoveString[2] - AAA;
8942 toY = currentMoveString[3] - ONE;
8943 promoChar = currentMoveString[4];
8947 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8948 fromX = moveType == WhiteDrop ?
8949 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8950 (int) CharToPiece(ToLower(currentMoveString[0]));
8952 toX = currentMoveString[2] - AAA;
8953 toY = currentMoveString[3] - ONE;
8954 promoChar = NULLCHAR;
8958 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8959 if (appData.debugMode) {
8960 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8961 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8962 setbuf(debugFP, NULL);
8964 DisplayError(buf, 0);
8966 case ImpossibleMove:
8968 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8969 if (appData.debugMode) {
8970 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8971 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8972 setbuf(debugFP, NULL);
8974 DisplayError(buf, 0);
8977 if (boardIndex < backwardMostMove) {
8978 /* Oops, gap. How did that happen? */
8979 DisplayError(_("Gap in move list"), 0);
8982 backwardMostMove = blackPlaysFirst ? 1 : 0;
8983 if (boardIndex > forwardMostMove) {
8984 forwardMostMove = boardIndex;
8988 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8989 strcat(parseList[boardIndex-1], " ");
8990 strcat(parseList[boardIndex-1], yy_text);
9002 case GameUnfinished:
9003 if (gameMode == IcsExamining) {
9004 if (boardIndex < backwardMostMove) {
9005 /* Oops, gap. How did that happen? */
9008 backwardMostMove = blackPlaysFirst ? 1 : 0;
9011 gameInfo.result = moveType;
9012 p = strchr(yy_text, '{');
9013 if (p == NULL) p = strchr(yy_text, '(');
9016 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9018 q = strchr(p, *p == '{' ? '}' : ')');
9019 if (q != NULL) *q = NULLCHAR;
9022 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9023 gameInfo.resultDetails = StrSave(p);
9026 if (boardIndex >= forwardMostMove &&
9027 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9028 backwardMostMove = blackPlaysFirst ? 1 : 0;
9031 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9032 fromY, fromX, toY, toX, promoChar,
9033 parseList[boardIndex]);
9034 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9035 /* currentMoveString is set as a side-effect of yylex */
9036 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9037 strcat(moveList[boardIndex], "\n");
9039 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9040 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9046 if(gameInfo.variant != VariantShogi)
9047 strcat(parseList[boardIndex - 1], "+");
9051 strcat(parseList[boardIndex - 1], "#");
9058 /* Apply a move to the given board */
9060 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
9061 int fromX, fromY, toX, toY;
9065 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9066 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9068 /* [HGM] compute & store e.p. status and castling rights for new position */
9069 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9071 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9072 oldEP = (signed char)board[EP_STATUS];
9073 board[EP_STATUS] = EP_NONE;
9075 if (fromY == DROP_RANK) {
9077 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9078 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9081 piece = board[toY][toX] = (ChessSquare) fromX;
9085 if( board[toY][toX] != EmptySquare )
9086 board[EP_STATUS] = EP_CAPTURE;
9088 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9089 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9090 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9092 if( board[fromY][fromX] == WhitePawn ) {
9093 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9094 board[EP_STATUS] = EP_PAWN_MOVE;
9096 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9097 gameInfo.variant != VariantBerolina || toX < fromX)
9098 board[EP_STATUS] = toX | berolina;
9099 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9100 gameInfo.variant != VariantBerolina || toX > fromX)
9101 board[EP_STATUS] = toX;
9104 if( board[fromY][fromX] == BlackPawn ) {
9105 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9106 board[EP_STATUS] = EP_PAWN_MOVE;
9107 if( toY-fromY== -2) {
9108 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9109 gameInfo.variant != VariantBerolina || toX < fromX)
9110 board[EP_STATUS] = toX | berolina;
9111 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9112 gameInfo.variant != VariantBerolina || toX > fromX)
9113 board[EP_STATUS] = toX;
9117 for(i=0; i<nrCastlingRights; i++) {
9118 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9119 board[CASTLING][i] == toX && castlingRank[i] == toY
9120 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9123 if (fromX == toX && fromY == toY) return;
9125 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9126 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9127 if(gameInfo.variant == VariantKnightmate)
9128 king += (int) WhiteUnicorn - (int) WhiteKing;
9130 /* Code added by Tord: */
9131 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9132 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9133 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9134 board[fromY][fromX] = EmptySquare;
9135 board[toY][toX] = EmptySquare;
9136 if((toX > fromX) != (piece == WhiteRook)) {
9137 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9139 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9141 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9142 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9143 board[fromY][fromX] = EmptySquare;
9144 board[toY][toX] = EmptySquare;
9145 if((toX > fromX) != (piece == BlackRook)) {
9146 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9148 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9150 /* End of code added by Tord */
9152 } else if (board[fromY][fromX] == king
9153 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9154 && toY == fromY && toX > fromX+1) {
9155 board[fromY][fromX] = EmptySquare;
9156 board[toY][toX] = king;
9157 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9158 board[fromY][BOARD_RGHT-1] = EmptySquare;
9159 } else if (board[fromY][fromX] == king
9160 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9161 && toY == fromY && toX < fromX-1) {
9162 board[fromY][fromX] = EmptySquare;
9163 board[toY][toX] = king;
9164 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9165 board[fromY][BOARD_LEFT] = EmptySquare;
9166 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9167 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9168 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9170 /* white pawn promotion */
9171 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9172 if(gameInfo.variant==VariantBughouse ||
9173 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9174 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9175 board[fromY][fromX] = EmptySquare;
9176 } else if ((fromY >= BOARD_HEIGHT>>1)
9178 && gameInfo.variant != VariantXiangqi
9179 && gameInfo.variant != VariantBerolina
9180 && (board[fromY][fromX] == WhitePawn)
9181 && (board[toY][toX] == EmptySquare)) {
9182 board[fromY][fromX] = EmptySquare;
9183 board[toY][toX] = WhitePawn;
9184 captured = board[toY - 1][toX];
9185 board[toY - 1][toX] = EmptySquare;
9186 } else if ((fromY == BOARD_HEIGHT-4)
9188 && gameInfo.variant == VariantBerolina
9189 && (board[fromY][fromX] == WhitePawn)
9190 && (board[toY][toX] == EmptySquare)) {
9191 board[fromY][fromX] = EmptySquare;
9192 board[toY][toX] = WhitePawn;
9193 if(oldEP & EP_BEROLIN_A) {
9194 captured = board[fromY][fromX-1];
9195 board[fromY][fromX-1] = EmptySquare;
9196 }else{ captured = board[fromY][fromX+1];
9197 board[fromY][fromX+1] = EmptySquare;
9199 } else if (board[fromY][fromX] == king
9200 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9201 && toY == fromY && toX > fromX+1) {
9202 board[fromY][fromX] = EmptySquare;
9203 board[toY][toX] = king;
9204 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9205 board[fromY][BOARD_RGHT-1] = EmptySquare;
9206 } else if (board[fromY][fromX] == king
9207 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9208 && toY == fromY && toX < fromX-1) {
9209 board[fromY][fromX] = EmptySquare;
9210 board[toY][toX] = king;
9211 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9212 board[fromY][BOARD_LEFT] = EmptySquare;
9213 } else if (fromY == 7 && fromX == 3
9214 && board[fromY][fromX] == BlackKing
9215 && toY == 7 && toX == 5) {
9216 board[fromY][fromX] = EmptySquare;
9217 board[toY][toX] = BlackKing;
9218 board[fromY][7] = EmptySquare;
9219 board[toY][4] = BlackRook;
9220 } else if (fromY == 7 && fromX == 3
9221 && board[fromY][fromX] == BlackKing
9222 && toY == 7 && toX == 1) {
9223 board[fromY][fromX] = EmptySquare;
9224 board[toY][toX] = BlackKing;
9225 board[fromY][0] = EmptySquare;
9226 board[toY][2] = BlackRook;
9227 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9228 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9229 && toY < promoRank && promoChar
9231 /* black pawn promotion */
9232 board[toY][toX] = CharToPiece(ToLower(promoChar));
9233 if(gameInfo.variant==VariantBughouse ||
9234 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9235 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9236 board[fromY][fromX] = EmptySquare;
9237 } else if ((fromY < BOARD_HEIGHT>>1)
9239 && gameInfo.variant != VariantXiangqi
9240 && gameInfo.variant != VariantBerolina
9241 && (board[fromY][fromX] == BlackPawn)
9242 && (board[toY][toX] == EmptySquare)) {
9243 board[fromY][fromX] = EmptySquare;
9244 board[toY][toX] = BlackPawn;
9245 captured = board[toY + 1][toX];
9246 board[toY + 1][toX] = EmptySquare;
9247 } else if ((fromY == 3)
9249 && gameInfo.variant == VariantBerolina
9250 && (board[fromY][fromX] == BlackPawn)
9251 && (board[toY][toX] == EmptySquare)) {
9252 board[fromY][fromX] = EmptySquare;
9253 board[toY][toX] = BlackPawn;
9254 if(oldEP & EP_BEROLIN_A) {
9255 captured = board[fromY][fromX-1];
9256 board[fromY][fromX-1] = EmptySquare;
9257 }else{ captured = board[fromY][fromX+1];
9258 board[fromY][fromX+1] = EmptySquare;
9261 board[toY][toX] = board[fromY][fromX];
9262 board[fromY][fromX] = EmptySquare;
9266 if (gameInfo.holdingsWidth != 0) {
9268 /* !!A lot more code needs to be written to support holdings */
9269 /* [HGM] OK, so I have written it. Holdings are stored in the */
9270 /* penultimate board files, so they are automaticlly stored */
9271 /* in the game history. */
9272 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9273 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9274 /* Delete from holdings, by decreasing count */
9275 /* and erasing image if necessary */
9276 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9277 if(p < (int) BlackPawn) { /* white drop */
9278 p -= (int)WhitePawn;
9279 p = PieceToNumber((ChessSquare)p);
9280 if(p >= gameInfo.holdingsSize) p = 0;
9281 if(--board[p][BOARD_WIDTH-2] <= 0)
9282 board[p][BOARD_WIDTH-1] = EmptySquare;
9283 if((int)board[p][BOARD_WIDTH-2] < 0)
9284 board[p][BOARD_WIDTH-2] = 0;
9285 } else { /* black drop */
9286 p -= (int)BlackPawn;
9287 p = PieceToNumber((ChessSquare)p);
9288 if(p >= gameInfo.holdingsSize) p = 0;
9289 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9290 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9291 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9292 board[BOARD_HEIGHT-1-p][1] = 0;
9295 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9296 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9297 /* [HGM] holdings: Add to holdings, if holdings exist */
9298 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9299 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9300 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9303 if (p >= (int) BlackPawn) {
9304 p -= (int)BlackPawn;
9305 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9306 /* in Shogi restore piece to its original first */
9307 captured = (ChessSquare) (DEMOTED captured);
9310 p = PieceToNumber((ChessSquare)p);
9311 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9312 board[p][BOARD_WIDTH-2]++;
9313 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9315 p -= (int)WhitePawn;
9316 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9317 captured = (ChessSquare) (DEMOTED captured);
9320 p = PieceToNumber((ChessSquare)p);
9321 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9322 board[BOARD_HEIGHT-1-p][1]++;
9323 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9326 } else if (gameInfo.variant == VariantAtomic) {
9327 if (captured != EmptySquare) {
9329 for (y = toY-1; y <= toY+1; y++) {
9330 for (x = toX-1; x <= toX+1; x++) {
9331 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9332 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9333 board[y][x] = EmptySquare;
9337 board[toY][toX] = EmptySquare;
9340 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9341 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9343 if(promoChar == '+') {
9344 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9345 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9346 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9347 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9349 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9350 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9351 // [HGM] superchess: take promotion piece out of holdings
9352 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9353 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9354 if(!--board[k][BOARD_WIDTH-2])
9355 board[k][BOARD_WIDTH-1] = EmptySquare;
9357 if(!--board[BOARD_HEIGHT-1-k][1])
9358 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9364 /* Updates forwardMostMove */
9366 MakeMove(fromX, fromY, toX, toY, promoChar)
9367 int fromX, fromY, toX, toY;
9370 // forwardMostMove++; // [HGM] bare: moved downstream
9372 (void) CoordsToAlgebraic(boards[forwardMostMove],
9373 PosFlags(forwardMostMove),
9374 fromY, fromX, toY, toX, promoChar,
9375 parseList[forwardMostMove]);
9377 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9378 int timeLeft; static int lastLoadFlag=0; int king, piece;
9379 piece = boards[forwardMostMove][fromY][fromX];
9380 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9381 if(gameInfo.variant == VariantKnightmate)
9382 king += (int) WhiteUnicorn - (int) WhiteKing;
9383 if(forwardMostMove == 0) {
9384 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9385 fprintf(serverMoves, "%s;", UserName());
9386 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9387 fprintf(serverMoves, "%s;", second.tidy);
9388 fprintf(serverMoves, "%s;", first.tidy);
9389 if(gameMode == MachinePlaysWhite)
9390 fprintf(serverMoves, "%s;", UserName());
9391 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9392 fprintf(serverMoves, "%s;", second.tidy);
9393 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9394 lastLoadFlag = loadFlag;
9396 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9397 // print castling suffix
9398 if( toY == fromY && piece == king ) {
9400 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9402 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9405 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9406 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9407 boards[forwardMostMove][toY][toX] == EmptySquare
9408 && fromX != toX && fromY != toY)
9409 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9411 if(promoChar != NULLCHAR)
9412 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9414 char buf[MOVE_LEN*2], *p; int len;
9415 fprintf(serverMoves, "/%d/%d",
9416 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9417 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9418 else timeLeft = blackTimeRemaining/1000;
9419 fprintf(serverMoves, "/%d", timeLeft);
9420 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9421 if(p = strchr(buf, '=')) *p = NULLCHAR;
9422 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9423 fprintf(serverMoves, "/%s", buf);
9425 fflush(serverMoves);
9428 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9429 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9432 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9433 if (commentList[forwardMostMove+1] != NULL) {
9434 free(commentList[forwardMostMove+1]);
9435 commentList[forwardMostMove+1] = NULL;
9437 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9438 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9439 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9440 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9441 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9442 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9443 adjustedClock = FALSE;
9444 gameInfo.result = GameUnfinished;
9445 if (gameInfo.resultDetails != NULL) {
9446 free(gameInfo.resultDetails);
9447 gameInfo.resultDetails = NULL;
9449 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9450 moveList[forwardMostMove - 1]);
9451 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9457 if(gameInfo.variant != VariantShogi)
9458 strcat(parseList[forwardMostMove - 1], "+");
9462 strcat(parseList[forwardMostMove - 1], "#");
9465 if (appData.debugMode) {
9466 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9471 /* Updates currentMove if not pausing */
9473 ShowMove(fromX, fromY, toX, toY)
9475 int instant = (gameMode == PlayFromGameFile) ?
9476 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9477 if(appData.noGUI) return;
9478 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9480 if (forwardMostMove == currentMove + 1) {
9481 AnimateMove(boards[forwardMostMove - 1],
9482 fromX, fromY, toX, toY);
9484 if (appData.highlightLastMove) {
9485 SetHighlights(fromX, fromY, toX, toY);
9488 currentMove = forwardMostMove;
9491 if (instant) return;
9493 DisplayMove(currentMove - 1);
9494 DrawPosition(FALSE, boards[currentMove]);
9495 DisplayBothClocks();
9496 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9499 void SendEgtPath(ChessProgramState *cps)
9500 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9501 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9503 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9506 char c, *q = name+1, *r, *s;
9508 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9509 while(*p && *p != ',') *q++ = *p++;
9511 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9512 strcmp(name, ",nalimov:") == 0 ) {
9513 // take nalimov path from the menu-changeable option first, if it is defined
9514 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9515 SendToProgram(buf,cps); // send egtbpath command for nalimov
9517 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9518 (s = StrStr(appData.egtFormats, name)) != NULL) {
9519 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9520 s = r = StrStr(s, ":") + 1; // beginning of path info
9521 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9522 c = *r; *r = 0; // temporarily null-terminate path info
9523 *--q = 0; // strip of trailig ':' from name
9524 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9526 SendToProgram(buf,cps); // send egtbpath command for this format
9528 if(*p == ',') p++; // read away comma to position for next format name
9533 InitChessProgram(cps, setup)
9534 ChessProgramState *cps;
9535 int setup; /* [HGM] needed to setup FRC opening position */
9537 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9538 if (appData.noChessProgram) return;
9539 hintRequested = FALSE;
9540 bookRequested = FALSE;
9542 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9543 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9544 if(cps->memSize) { /* [HGM] memory */
9545 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9546 SendToProgram(buf, cps);
9548 SendEgtPath(cps); /* [HGM] EGT */
9549 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9550 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9551 SendToProgram(buf, cps);
9554 SendToProgram(cps->initString, cps);
9555 if (gameInfo.variant != VariantNormal &&
9556 gameInfo.variant != VariantLoadable
9557 /* [HGM] also send variant if board size non-standard */
9558 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9560 char *v = VariantName(gameInfo.variant);
9561 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9562 /* [HGM] in protocol 1 we have to assume all variants valid */
9563 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9564 DisplayFatalError(buf, 0, 1);
9568 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9569 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9570 if( gameInfo.variant == VariantXiangqi )
9571 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9572 if( gameInfo.variant == VariantShogi )
9573 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9574 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9575 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9576 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9577 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9578 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9579 if( gameInfo.variant == VariantCourier )
9580 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9581 if( gameInfo.variant == VariantSuper )
9582 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9583 if( gameInfo.variant == VariantGreat )
9584 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9585 if( gameInfo.variant == VariantSChess )
9586 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9587 if( gameInfo.variant == VariantGrand )
9588 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9591 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9592 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9593 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9594 if(StrStr(cps->variants, b) == NULL) {
9595 // specific sized variant not known, check if general sizing allowed
9596 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9597 if(StrStr(cps->variants, "boardsize") == NULL) {
9598 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9599 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9600 DisplayFatalError(buf, 0, 1);
9603 /* [HGM] here we really should compare with the maximum supported board size */
9606 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9607 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9608 SendToProgram(buf, cps);
9610 currentlyInitializedVariant = gameInfo.variant;
9612 /* [HGM] send opening position in FRC to first engine */
9614 SendToProgram("force\n", cps);
9616 /* engine is now in force mode! Set flag to wake it up after first move. */
9617 setboardSpoiledMachineBlack = 1;
9621 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9622 SendToProgram(buf, cps);
9624 cps->maybeThinking = FALSE;
9625 cps->offeredDraw = 0;
9626 if (!appData.icsActive) {
9627 SendTimeControl(cps, movesPerSession, timeControl,
9628 timeIncrement, appData.searchDepth,
9631 if (appData.showThinking
9632 // [HGM] thinking: four options require thinking output to be sent
9633 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9635 SendToProgram("post\n", cps);
9637 SendToProgram("hard\n", cps);
9638 if (!appData.ponderNextMove) {
9639 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9640 it without being sure what state we are in first. "hard"
9641 is not a toggle, so that one is OK.
9643 SendToProgram("easy\n", cps);
9646 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9647 SendToProgram(buf, cps);
9649 cps->initDone = TRUE;
9650 ClearEngineOutputPane(cps == &second);
9655 StartChessProgram(cps)
9656 ChessProgramState *cps;
9661 if (appData.noChessProgram) return;
9662 cps->initDone = FALSE;
9664 if (strcmp(cps->host, "localhost") == 0) {
9665 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9666 } else if (*appData.remoteShell == NULLCHAR) {
9667 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9669 if (*appData.remoteUser == NULLCHAR) {
9670 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9673 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9674 cps->host, appData.remoteUser, cps->program);
9676 err = StartChildProcess(buf, "", &cps->pr);
9680 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9681 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9682 if(cps != &first) return;
9683 appData.noChessProgram = TRUE;
9686 // DisplayFatalError(buf, err, 1);
9687 // cps->pr = NoProc;
9692 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9693 if (cps->protocolVersion > 1) {
9694 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9695 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9696 cps->comboCnt = 0; // and values of combo boxes
9697 SendToProgram(buf, cps);
9699 SendToProgram("xboard\n", cps);
9704 TwoMachinesEventIfReady P((void))
9706 static int curMess = 0;
9707 if (first.lastPing != first.lastPong) {
9708 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9709 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9712 if (second.lastPing != second.lastPong) {
9713 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9714 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9717 DisplayMessage("", ""); curMess = 0;
9723 MakeName(char *template)
9727 static char buf[MSG_SIZ];
9731 clock = time((time_t *)NULL);
9732 tm = localtime(&clock);
9734 while(*p++ = *template++) if(p[-1] == '%') {
9735 switch(*template++) {
9736 case 0: *p = 0; return buf;
9737 case 'Y': i = tm->tm_year+1900; break;
9738 case 'y': i = tm->tm_year-100; break;
9739 case 'M': i = tm->tm_mon+1; break;
9740 case 'd': i = tm->tm_mday; break;
9741 case 'h': i = tm->tm_hour; break;
9742 case 'm': i = tm->tm_min; break;
9743 case 's': i = tm->tm_sec; break;
9746 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9752 CountPlayers(char *p)
9755 while(p = strchr(p, '\n')) p++, n++; // count participants
9760 WriteTourneyFile(char *results, FILE *f)
9761 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9762 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9763 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9764 // create a file with tournament description
9765 fprintf(f, "-participants {%s}\n", appData.participants);
9766 fprintf(f, "-seedBase %d\n", appData.seedBase);
9767 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9768 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9769 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9770 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9771 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9772 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9773 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9774 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9775 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9776 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9777 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9778 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9780 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9782 fprintf(f, "-mps %d\n", appData.movesPerSession);
9783 fprintf(f, "-tc %s\n", appData.timeControl);
9784 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9786 fprintf(f, "-results \"%s\"\n", results);
9791 #define MAXENGINES 1000
9792 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9794 void Substitute(char *participants, int expunge)
9796 int i, changed, changes=0, nPlayers=0;
9797 char *p, *q, *r, buf[MSG_SIZ];
9798 if(participants == NULL) return;
9799 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9800 r = p = participants; q = appData.participants;
9801 while(*p && *p == *q) {
9802 if(*p == '\n') r = p+1, nPlayers++;
9805 if(*p) { // difference
9806 while(*p && *p++ != '\n');
9807 while(*q && *q++ != '\n');
9809 changes = 1 + (strcmp(p, q) != 0);
9811 if(changes == 1) { // a single engine mnemonic was changed
9812 q = r; while(*q) nPlayers += (*q++ == '\n');
9813 p = buf; while(*r && (*p = *r++) != '\n') p++;
9815 NamesToList(firstChessProgramNames, command, mnemonic);
9816 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9817 if(mnemonic[i]) { // The substitute is valid
9819 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9820 flock(fileno(f), LOCK_EX);
9821 ParseArgsFromFile(f);
9822 fseek(f, 0, SEEK_SET);
9823 FREE(appData.participants); appData.participants = participants;
9824 if(expunge) { // erase results of replaced engine
9825 int len = strlen(appData.results), w, b, dummy;
9826 for(i=0; i<len; i++) {
9827 Pairing(i, nPlayers, &w, &b, &dummy);
9828 if((w == changed || b == changed) && appData.results[i] == '*') {
9829 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9834 for(i=0; i<len; i++) {
9835 Pairing(i, nPlayers, &w, &b, &dummy);
9836 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9839 WriteTourneyFile(appData.results, f);
9840 fclose(f); // release lock
9843 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9845 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9846 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9852 CreateTourney(char *name)
9855 if(matchMode && strcmp(name, appData.tourneyFile)) {
9856 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9858 if(name[0] == NULLCHAR) {
9859 if(appData.participants[0])
9860 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9863 f = fopen(name, "r");
9864 if(f) { // file exists
9865 ASSIGN(appData.tourneyFile, name);
9866 ParseArgsFromFile(f); // parse it
9868 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9869 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9870 DisplayError(_("Not enough participants"), 0);
9873 ASSIGN(appData.tourneyFile, name);
9874 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9875 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9878 appData.noChessProgram = FALSE;
9879 appData.clockMode = TRUE;
9884 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9886 char buf[MSG_SIZ], *p, *q;
9890 while(*p && *p != '\n') *q++ = *p++;
9892 if(engineList[i]) free(engineList[i]);
9893 engineList[i] = strdup(buf);
9895 TidyProgramName(engineList[i], "localhost", buf);
9896 if(engineMnemonic[i]) free(engineMnemonic[i]);
9897 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9899 sscanf(q + 8, "%s", buf + strlen(buf));
9902 engineMnemonic[i] = strdup(buf);
9904 if(i > MAXENGINES - 2) break;
9906 engineList[i] = engineMnemonic[i] = NULL;
9909 // following implemented as macro to avoid type limitations
9910 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9912 void SwapEngines(int n)
9913 { // swap settings for first engine and other engine (so far only some selected options)
9918 SWAP(chessProgram, p)
9920 SWAP(hasOwnBookUCI, h)
9921 SWAP(protocolVersion, h)
9923 SWAP(scoreIsAbsolute, h)
9931 SetPlayer(int player)
9932 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9934 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9935 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9936 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9937 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9939 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9940 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9941 appData.firstHasOwnBookUCI = !appData.defNoBook;
9942 ParseArgsFromString(buf);
9948 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9949 { // determine players from game number
9950 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9952 if(appData.tourneyType == 0) {
9953 roundsPerCycle = (nPlayers - 1) | 1;
9954 pairingsPerRound = nPlayers / 2;
9955 } else if(appData.tourneyType > 0) {
9956 roundsPerCycle = nPlayers - appData.tourneyType;
9957 pairingsPerRound = appData.tourneyType;
9959 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9960 gamesPerCycle = gamesPerRound * roundsPerCycle;
9961 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9962 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9963 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9964 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9965 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9966 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9968 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9969 if(appData.roundSync) *syncInterval = gamesPerRound;
9971 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9973 if(appData.tourneyType == 0) {
9974 if(curPairing == (nPlayers-1)/2 ) {
9975 *whitePlayer = curRound;
9976 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9978 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9979 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9980 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9981 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9983 } else if(appData.tourneyType > 0) {
9984 *whitePlayer = curPairing;
9985 *blackPlayer = curRound + appData.tourneyType;
9988 // take care of white/black alternation per round.
9989 // For cycles and games this is already taken care of by default, derived from matchGame!
9990 return curRound & 1;
9994 NextTourneyGame(int nr, int *swapColors)
9995 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9997 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
9999 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10000 tf = fopen(appData.tourneyFile, "r");
10001 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10002 ParseArgsFromFile(tf); fclose(tf);
10003 InitTimeControls(); // TC might be altered from tourney file
10005 nPlayers = CountPlayers(appData.participants); // count participants
10006 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10007 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10010 p = q = appData.results;
10011 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10012 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10013 DisplayMessage(_("Waiting for other game(s)"),"");
10014 waitingForGame = TRUE;
10015 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10018 waitingForGame = FALSE;
10021 if(appData.tourneyType < 0) {
10022 if(nr>=0 && !pairingReceived) {
10024 if(pairing.pr == NoProc) {
10025 if(!appData.pairingEngine[0]) {
10026 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10029 StartChessProgram(&pairing); // starts the pairing engine
10031 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10032 SendToProgram(buf, &pairing);
10033 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10034 SendToProgram(buf, &pairing);
10035 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10037 pairingReceived = 0; // ... so we continue here
10039 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10040 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10041 matchGame = 1; roundNr = nr / syncInterval + 1;
10044 if(first.pr != NoProc || second.pr != NoProc) return 1; // engines already loaded
10046 // redefine engines, engine dir, etc.
10047 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
10048 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
10050 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
10051 SwapEngines(1); // and make that valid for second engine by swapping
10052 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10053 InitEngine(&second, 1);
10054 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10055 UpdateLogos(FALSE); // leave display to ModeHiglight()
10061 { // performs game initialization that does not invoke engines, and then tries to start the game
10062 int res, firstWhite, swapColors = 0;
10063 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10064 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10065 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10066 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10067 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10068 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10069 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10070 Reset(FALSE, first.pr != NoProc);
10071 res = LoadGameOrPosition(matchGame); // setup game
10072 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10073 if(!res) return; // abort when bad game/pos file
10074 TwoMachinesEvent();
10077 void UserAdjudicationEvent( int result )
10079 ChessMove gameResult = GameIsDrawn;
10082 gameResult = WhiteWins;
10084 else if( result < 0 ) {
10085 gameResult = BlackWins;
10088 if( gameMode == TwoMachinesPlay ) {
10089 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10094 // [HGM] save: calculate checksum of game to make games easily identifiable
10095 int StringCheckSum(char *s)
10098 if(s==NULL) return 0;
10099 while(*s) i = i*259 + *s++;
10106 for(i=backwardMostMove; i<forwardMostMove; i++) {
10107 sum += pvInfoList[i].depth;
10108 sum += StringCheckSum(parseList[i]);
10109 sum += StringCheckSum(commentList[i]);
10112 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10113 return sum + StringCheckSum(commentList[i]);
10114 } // end of save patch
10117 GameEnds(result, resultDetails, whosays)
10119 char *resultDetails;
10122 GameMode nextGameMode;
10124 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10126 if(endingGame) return; /* [HGM] crash: forbid recursion */
10128 if(twoBoards) { // [HGM] dual: switch back to one board
10129 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10130 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10132 if (appData.debugMode) {
10133 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10134 result, resultDetails ? resultDetails : "(null)", whosays);
10137 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10139 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10140 /* If we are playing on ICS, the server decides when the
10141 game is over, but the engine can offer to draw, claim
10145 if (appData.zippyPlay && first.initDone) {
10146 if (result == GameIsDrawn) {
10147 /* In case draw still needs to be claimed */
10148 SendToICS(ics_prefix);
10149 SendToICS("draw\n");
10150 } else if (StrCaseStr(resultDetails, "resign")) {
10151 SendToICS(ics_prefix);
10152 SendToICS("resign\n");
10156 endingGame = 0; /* [HGM] crash */
10160 /* If we're loading the game from a file, stop */
10161 if (whosays == GE_FILE) {
10162 (void) StopLoadGameTimer();
10166 /* Cancel draw offers */
10167 first.offeredDraw = second.offeredDraw = 0;
10169 /* If this is an ICS game, only ICS can really say it's done;
10170 if not, anyone can. */
10171 isIcsGame = (gameMode == IcsPlayingWhite ||
10172 gameMode == IcsPlayingBlack ||
10173 gameMode == IcsObserving ||
10174 gameMode == IcsExamining);
10176 if (!isIcsGame || whosays == GE_ICS) {
10177 /* OK -- not an ICS game, or ICS said it was done */
10179 if (!isIcsGame && !appData.noChessProgram)
10180 SetUserThinkingEnables();
10182 /* [HGM] if a machine claims the game end we verify this claim */
10183 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10184 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10186 ChessMove trueResult = (ChessMove) -1;
10188 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10189 first.twoMachinesColor[0] :
10190 second.twoMachinesColor[0] ;
10192 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10193 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10194 /* [HGM] verify: engine mate claims accepted if they were flagged */
10195 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10197 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10198 /* [HGM] verify: engine mate claims accepted if they were flagged */
10199 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10201 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10202 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10205 // now verify win claims, but not in drop games, as we don't understand those yet
10206 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10207 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10208 (result == WhiteWins && claimer == 'w' ||
10209 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10210 if (appData.debugMode) {
10211 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10212 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10214 if(result != trueResult) {
10215 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10216 result = claimer == 'w' ? BlackWins : WhiteWins;
10217 resultDetails = buf;
10220 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10221 && (forwardMostMove <= backwardMostMove ||
10222 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10223 (claimer=='b')==(forwardMostMove&1))
10225 /* [HGM] verify: draws that were not flagged are false claims */
10226 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10227 result = claimer == 'w' ? BlackWins : WhiteWins;
10228 resultDetails = buf;
10230 /* (Claiming a loss is accepted no questions asked!) */
10232 /* [HGM] bare: don't allow bare King to win */
10233 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10234 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10235 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10236 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10237 && result != GameIsDrawn)
10238 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10239 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10240 int p = (signed char)boards[forwardMostMove][i][j] - color;
10241 if(p >= 0 && p <= (int)WhiteKing) k++;
10243 if (appData.debugMode) {
10244 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10245 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10248 result = GameIsDrawn;
10249 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10250 resultDetails = buf;
10256 if(serverMoves != NULL && !loadFlag) { char c = '=';
10257 if(result==WhiteWins) c = '+';
10258 if(result==BlackWins) c = '-';
10259 if(resultDetails != NULL)
10260 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10262 if (resultDetails != NULL) {
10263 gameInfo.result = result;
10264 gameInfo.resultDetails = StrSave(resultDetails);
10266 /* display last move only if game was not loaded from file */
10267 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10268 DisplayMove(currentMove - 1);
10270 if (forwardMostMove != 0) {
10271 if (gameMode != PlayFromGameFile && gameMode != EditGame
10272 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10274 if (*appData.saveGameFile != NULLCHAR) {
10275 SaveGameToFile(appData.saveGameFile, TRUE);
10276 } else if (appData.autoSaveGames) {
10279 if (*appData.savePositionFile != NULLCHAR) {
10280 SavePositionToFile(appData.savePositionFile);
10285 /* Tell program how game ended in case it is learning */
10286 /* [HGM] Moved this to after saving the PGN, just in case */
10287 /* engine died and we got here through time loss. In that */
10288 /* case we will get a fatal error writing the pipe, which */
10289 /* would otherwise lose us the PGN. */
10290 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10291 /* output during GameEnds should never be fatal anymore */
10292 if (gameMode == MachinePlaysWhite ||
10293 gameMode == MachinePlaysBlack ||
10294 gameMode == TwoMachinesPlay ||
10295 gameMode == IcsPlayingWhite ||
10296 gameMode == IcsPlayingBlack ||
10297 gameMode == BeginningOfGame) {
10299 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10301 if (first.pr != NoProc) {
10302 SendToProgram(buf, &first);
10304 if (second.pr != NoProc &&
10305 gameMode == TwoMachinesPlay) {
10306 SendToProgram(buf, &second);
10311 if (appData.icsActive) {
10312 if (appData.quietPlay &&
10313 (gameMode == IcsPlayingWhite ||
10314 gameMode == IcsPlayingBlack)) {
10315 SendToICS(ics_prefix);
10316 SendToICS("set shout 1\n");
10318 nextGameMode = IcsIdle;
10319 ics_user_moved = FALSE;
10320 /* clean up premove. It's ugly when the game has ended and the
10321 * premove highlights are still on the board.
10324 gotPremove = FALSE;
10325 ClearPremoveHighlights();
10326 DrawPosition(FALSE, boards[currentMove]);
10328 if (whosays == GE_ICS) {
10331 if (gameMode == IcsPlayingWhite)
10333 else if(gameMode == IcsPlayingBlack)
10334 PlayIcsLossSound();
10337 if (gameMode == IcsPlayingBlack)
10339 else if(gameMode == IcsPlayingWhite)
10340 PlayIcsLossSound();
10343 PlayIcsDrawSound();
10346 PlayIcsUnfinishedSound();
10349 } else if (gameMode == EditGame ||
10350 gameMode == PlayFromGameFile ||
10351 gameMode == AnalyzeMode ||
10352 gameMode == AnalyzeFile) {
10353 nextGameMode = gameMode;
10355 nextGameMode = EndOfGame;
10360 nextGameMode = gameMode;
10363 if (appData.noChessProgram) {
10364 gameMode = nextGameMode;
10366 endingGame = 0; /* [HGM] crash */
10371 /* Put first chess program into idle state */
10372 if (first.pr != NoProc &&
10373 (gameMode == MachinePlaysWhite ||
10374 gameMode == MachinePlaysBlack ||
10375 gameMode == TwoMachinesPlay ||
10376 gameMode == IcsPlayingWhite ||
10377 gameMode == IcsPlayingBlack ||
10378 gameMode == BeginningOfGame)) {
10379 SendToProgram("force\n", &first);
10380 if (first.usePing) {
10382 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10383 SendToProgram(buf, &first);
10386 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10387 /* Kill off first chess program */
10388 if (first.isr != NULL)
10389 RemoveInputSource(first.isr);
10392 if (first.pr != NoProc) {
10394 DoSleep( appData.delayBeforeQuit );
10395 SendToProgram("quit\n", &first);
10396 DoSleep( appData.delayAfterQuit );
10397 DestroyChildProcess(first.pr, first.useSigterm);
10401 if (second.reuse) {
10402 /* Put second chess program into idle state */
10403 if (second.pr != NoProc &&
10404 gameMode == TwoMachinesPlay) {
10405 SendToProgram("force\n", &second);
10406 if (second.usePing) {
10408 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10409 SendToProgram(buf, &second);
10412 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10413 /* Kill off second chess program */
10414 if (second.isr != NULL)
10415 RemoveInputSource(second.isr);
10418 if (second.pr != NoProc) {
10419 DoSleep( appData.delayBeforeQuit );
10420 SendToProgram("quit\n", &second);
10421 DoSleep( appData.delayAfterQuit );
10422 DestroyChildProcess(second.pr, second.useSigterm);
10424 second.pr = NoProc;
10427 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10428 char resChar = '=';
10432 if (first.twoMachinesColor[0] == 'w') {
10435 second.matchWins++;
10440 if (first.twoMachinesColor[0] == 'b') {
10443 second.matchWins++;
10446 case GameUnfinished:
10452 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10453 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10454 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10455 ReserveGame(nextGame, resChar); // sets nextGame
10456 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10457 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10458 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10460 if (nextGame <= appData.matchGames && !abortMatch) {
10461 gameMode = nextGameMode;
10462 matchGame = nextGame; // this will be overruled in tourney mode!
10463 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10464 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10465 endingGame = 0; /* [HGM] crash */
10468 gameMode = nextGameMode;
10469 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10470 first.tidy, second.tidy,
10471 first.matchWins, second.matchWins,
10472 appData.matchGames - (first.matchWins + second.matchWins));
10473 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10474 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10475 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10476 first.twoMachinesColor = "black\n";
10477 second.twoMachinesColor = "white\n";
10479 first.twoMachinesColor = "white\n";
10480 second.twoMachinesColor = "black\n";
10484 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10485 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10487 gameMode = nextGameMode;
10489 endingGame = 0; /* [HGM] crash */
10490 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10491 if(matchMode == TRUE) { // match through command line: exit with or without popup
10493 ToNrEvent(forwardMostMove);
10494 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10496 } else DisplayFatalError(buf, 0, 0);
10497 } else { // match through menu; just stop, with or without popup
10498 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10501 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10502 } else DisplayNote(buf);
10504 if(ranking) free(ranking);
10508 /* Assumes program was just initialized (initString sent).
10509 Leaves program in force mode. */
10511 FeedMovesToProgram(cps, upto)
10512 ChessProgramState *cps;
10517 if (appData.debugMode)
10518 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10519 startedFromSetupPosition ? "position and " : "",
10520 backwardMostMove, upto, cps->which);
10521 if(currentlyInitializedVariant != gameInfo.variant) {
10523 // [HGM] variantswitch: make engine aware of new variant
10524 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10525 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10526 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10527 SendToProgram(buf, cps);
10528 currentlyInitializedVariant = gameInfo.variant;
10530 SendToProgram("force\n", cps);
10531 if (startedFromSetupPosition) {
10532 SendBoard(cps, backwardMostMove);
10533 if (appData.debugMode) {
10534 fprintf(debugFP, "feedMoves\n");
10537 for (i = backwardMostMove; i < upto; i++) {
10538 SendMoveToProgram(i, cps);
10544 ResurrectChessProgram()
10546 /* The chess program may have exited.
10547 If so, restart it and feed it all the moves made so far. */
10548 static int doInit = 0;
10550 if (appData.noChessProgram) return 1;
10552 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10553 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10554 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10555 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10557 if (first.pr != NoProc) return 1;
10558 StartChessProgram(&first);
10560 InitChessProgram(&first, FALSE);
10561 FeedMovesToProgram(&first, currentMove);
10563 if (!first.sendTime) {
10564 /* can't tell gnuchess what its clock should read,
10565 so we bow to its notion. */
10567 timeRemaining[0][currentMove] = whiteTimeRemaining;
10568 timeRemaining[1][currentMove] = blackTimeRemaining;
10571 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10572 appData.icsEngineAnalyze) && first.analysisSupport) {
10573 SendToProgram("analyze\n", &first);
10574 first.analyzing = TRUE;
10580 * Button procedures
10583 Reset(redraw, init)
10588 if (appData.debugMode) {
10589 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10590 redraw, init, gameMode);
10592 CleanupTail(); // [HGM] vari: delete any stored variations
10593 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10594 pausing = pauseExamInvalid = FALSE;
10595 startedFromSetupPosition = blackPlaysFirst = FALSE;
10597 whiteFlag = blackFlag = FALSE;
10598 userOfferedDraw = FALSE;
10599 hintRequested = bookRequested = FALSE;
10600 first.maybeThinking = FALSE;
10601 second.maybeThinking = FALSE;
10602 first.bookSuspend = FALSE; // [HGM] book
10603 second.bookSuspend = FALSE;
10604 thinkOutput[0] = NULLCHAR;
10605 lastHint[0] = NULLCHAR;
10606 ClearGameInfo(&gameInfo);
10607 gameInfo.variant = StringToVariant(appData.variant);
10608 ics_user_moved = ics_clock_paused = FALSE;
10609 ics_getting_history = H_FALSE;
10611 white_holding[0] = black_holding[0] = NULLCHAR;
10612 ClearProgramStats();
10613 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10617 flipView = appData.flipView;
10618 ClearPremoveHighlights();
10619 gotPremove = FALSE;
10620 alarmSounded = FALSE;
10622 GameEnds(EndOfFile, NULL, GE_PLAYER);
10623 if(appData.serverMovesName != NULL) {
10624 /* [HGM] prepare to make moves file for broadcasting */
10625 clock_t t = clock();
10626 if(serverMoves != NULL) fclose(serverMoves);
10627 serverMoves = fopen(appData.serverMovesName, "r");
10628 if(serverMoves != NULL) {
10629 fclose(serverMoves);
10630 /* delay 15 sec before overwriting, so all clients can see end */
10631 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10633 serverMoves = fopen(appData.serverMovesName, "w");
10637 gameMode = BeginningOfGame;
10639 if(appData.icsActive) gameInfo.variant = VariantNormal;
10640 currentMove = forwardMostMove = backwardMostMove = 0;
10641 InitPosition(redraw);
10642 for (i = 0; i < MAX_MOVES; i++) {
10643 if (commentList[i] != NULL) {
10644 free(commentList[i]);
10645 commentList[i] = NULL;
10649 timeRemaining[0][0] = whiteTimeRemaining;
10650 timeRemaining[1][0] = blackTimeRemaining;
10652 if (first.pr == NoProc) {
10653 StartChessProgram(&first);
10656 InitChessProgram(&first, startedFromSetupPosition);
10659 DisplayMessage("", "");
10660 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10661 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10668 if (!AutoPlayOneMove())
10670 if (matchMode || appData.timeDelay == 0)
10672 if (appData.timeDelay < 0)
10674 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10683 int fromX, fromY, toX, toY;
10685 if (appData.debugMode) {
10686 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10689 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10692 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10693 pvInfoList[currentMove].depth = programStats.depth;
10694 pvInfoList[currentMove].score = programStats.score;
10695 pvInfoList[currentMove].time = 0;
10696 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10699 if (currentMove >= forwardMostMove) {
10700 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10701 // gameMode = EndOfGame;
10702 // ModeHighlight();
10704 /* [AS] Clear current move marker at the end of a game */
10705 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10710 toX = moveList[currentMove][2] - AAA;
10711 toY = moveList[currentMove][3] - ONE;
10713 if (moveList[currentMove][1] == '@') {
10714 if (appData.highlightLastMove) {
10715 SetHighlights(-1, -1, toX, toY);
10718 fromX = moveList[currentMove][0] - AAA;
10719 fromY = moveList[currentMove][1] - ONE;
10721 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10723 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10725 if (appData.highlightLastMove) {
10726 SetHighlights(fromX, fromY, toX, toY);
10729 DisplayMove(currentMove);
10730 SendMoveToProgram(currentMove++, &first);
10731 DisplayBothClocks();
10732 DrawPosition(FALSE, boards[currentMove]);
10733 // [HGM] PV info: always display, routine tests if empty
10734 DisplayComment(currentMove - 1, commentList[currentMove]);
10740 LoadGameOneMove(readAhead)
10741 ChessMove readAhead;
10743 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10744 char promoChar = NULLCHAR;
10745 ChessMove moveType;
10746 char move[MSG_SIZ];
10749 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10750 gameMode != AnalyzeMode && gameMode != Training) {
10755 yyboardindex = forwardMostMove;
10756 if (readAhead != EndOfFile) {
10757 moveType = readAhead;
10759 if (gameFileFP == NULL)
10761 moveType = (ChessMove) Myylex();
10765 switch (moveType) {
10767 if (appData.debugMode)
10768 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10771 /* append the comment but don't display it */
10772 AppendComment(currentMove, p, FALSE);
10775 case WhiteCapturesEnPassant:
10776 case BlackCapturesEnPassant:
10777 case WhitePromotion:
10778 case BlackPromotion:
10779 case WhiteNonPromotion:
10780 case BlackNonPromotion:
10782 case WhiteKingSideCastle:
10783 case WhiteQueenSideCastle:
10784 case BlackKingSideCastle:
10785 case BlackQueenSideCastle:
10786 case WhiteKingSideCastleWild:
10787 case WhiteQueenSideCastleWild:
10788 case BlackKingSideCastleWild:
10789 case BlackQueenSideCastleWild:
10791 case WhiteHSideCastleFR:
10792 case WhiteASideCastleFR:
10793 case BlackHSideCastleFR:
10794 case BlackASideCastleFR:
10796 if (appData.debugMode)
10797 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10798 fromX = currentMoveString[0] - AAA;
10799 fromY = currentMoveString[1] - ONE;
10800 toX = currentMoveString[2] - AAA;
10801 toY = currentMoveString[3] - ONE;
10802 promoChar = currentMoveString[4];
10807 if (appData.debugMode)
10808 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10809 fromX = moveType == WhiteDrop ?
10810 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10811 (int) CharToPiece(ToLower(currentMoveString[0]));
10813 toX = currentMoveString[2] - AAA;
10814 toY = currentMoveString[3] - ONE;
10820 case GameUnfinished:
10821 if (appData.debugMode)
10822 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10823 p = strchr(yy_text, '{');
10824 if (p == NULL) p = strchr(yy_text, '(');
10827 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10829 q = strchr(p, *p == '{' ? '}' : ')');
10830 if (q != NULL) *q = NULLCHAR;
10833 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10834 GameEnds(moveType, p, GE_FILE);
10836 if (cmailMsgLoaded) {
10838 flipView = WhiteOnMove(currentMove);
10839 if (moveType == GameUnfinished) flipView = !flipView;
10840 if (appData.debugMode)
10841 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10846 if (appData.debugMode)
10847 fprintf(debugFP, "Parser hit end of file\n");
10848 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10854 if (WhiteOnMove(currentMove)) {
10855 GameEnds(BlackWins, "Black mates", GE_FILE);
10857 GameEnds(WhiteWins, "White mates", GE_FILE);
10861 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10867 case MoveNumberOne:
10868 if (lastLoadGameStart == GNUChessGame) {
10869 /* GNUChessGames have numbers, but they aren't move numbers */
10870 if (appData.debugMode)
10871 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10872 yy_text, (int) moveType);
10873 return LoadGameOneMove(EndOfFile); /* tail recursion */
10875 /* else fall thru */
10880 /* Reached start of next game in file */
10881 if (appData.debugMode)
10882 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10883 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10889 if (WhiteOnMove(currentMove)) {
10890 GameEnds(BlackWins, "Black mates", GE_FILE);
10892 GameEnds(WhiteWins, "White mates", GE_FILE);
10896 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10902 case PositionDiagram: /* should not happen; ignore */
10903 case ElapsedTime: /* ignore */
10904 case NAG: /* ignore */
10905 if (appData.debugMode)
10906 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10907 yy_text, (int) moveType);
10908 return LoadGameOneMove(EndOfFile); /* tail recursion */
10911 if (appData.testLegality) {
10912 if (appData.debugMode)
10913 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10914 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10915 (forwardMostMove / 2) + 1,
10916 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10917 DisplayError(move, 0);
10920 if (appData.debugMode)
10921 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10922 yy_text, currentMoveString);
10923 fromX = currentMoveString[0] - AAA;
10924 fromY = currentMoveString[1] - ONE;
10925 toX = currentMoveString[2] - AAA;
10926 toY = currentMoveString[3] - ONE;
10927 promoChar = currentMoveString[4];
10931 case AmbiguousMove:
10932 if (appData.debugMode)
10933 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10934 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10935 (forwardMostMove / 2) + 1,
10936 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10937 DisplayError(move, 0);
10942 case ImpossibleMove:
10943 if (appData.debugMode)
10944 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10945 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10946 (forwardMostMove / 2) + 1,
10947 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10948 DisplayError(move, 0);
10954 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10955 DrawPosition(FALSE, boards[currentMove]);
10956 DisplayBothClocks();
10957 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10958 DisplayComment(currentMove - 1, commentList[currentMove]);
10960 (void) StopLoadGameTimer();
10962 cmailOldMove = forwardMostMove;
10965 /* currentMoveString is set as a side-effect of yylex */
10967 thinkOutput[0] = NULLCHAR;
10968 MakeMove(fromX, fromY, toX, toY, promoChar);
10969 currentMove = forwardMostMove;
10974 /* Load the nth game from the given file */
10976 LoadGameFromFile(filename, n, title, useList)
10980 /*Boolean*/ int useList;
10985 if (strcmp(filename, "-") == 0) {
10989 f = fopen(filename, "rb");
10991 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10992 DisplayError(buf, errno);
10996 if (fseek(f, 0, 0) == -1) {
10997 /* f is not seekable; probably a pipe */
11000 if (useList && n == 0) {
11001 int error = GameListBuild(f);
11003 DisplayError(_("Cannot build game list"), error);
11004 } else if (!ListEmpty(&gameList) &&
11005 ((ListGame *) gameList.tailPred)->number > 1) {
11006 GameListPopUp(f, title);
11013 return LoadGame(f, n, title, FALSE);
11018 MakeRegisteredMove()
11020 int fromX, fromY, toX, toY;
11022 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11023 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11026 if (appData.debugMode)
11027 fprintf(debugFP, "Restoring %s for game %d\n",
11028 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11030 thinkOutput[0] = NULLCHAR;
11031 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11032 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11033 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11034 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11035 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11036 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11037 MakeMove(fromX, fromY, toX, toY, promoChar);
11038 ShowMove(fromX, fromY, toX, toY);
11040 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11047 if (WhiteOnMove(currentMove)) {
11048 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11050 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11055 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11062 if (WhiteOnMove(currentMove)) {
11063 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11065 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11070 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11081 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11083 CmailLoadGame(f, gameNumber, title, useList)
11091 if (gameNumber > nCmailGames) {
11092 DisplayError(_("No more games in this message"), 0);
11095 if (f == lastLoadGameFP) {
11096 int offset = gameNumber - lastLoadGameNumber;
11098 cmailMsg[0] = NULLCHAR;
11099 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11100 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11101 nCmailMovesRegistered--;
11103 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11104 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11105 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11108 if (! RegisterMove()) return FALSE;
11112 retVal = LoadGame(f, gameNumber, title, useList);
11114 /* Make move registered during previous look at this game, if any */
11115 MakeRegisteredMove();
11117 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11118 commentList[currentMove]
11119 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11120 DisplayComment(currentMove - 1, commentList[currentMove]);
11126 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11131 int gameNumber = lastLoadGameNumber + offset;
11132 if (lastLoadGameFP == NULL) {
11133 DisplayError(_("No game has been loaded yet"), 0);
11136 if (gameNumber <= 0) {
11137 DisplayError(_("Can't back up any further"), 0);
11140 if (cmailMsgLoaded) {
11141 return CmailLoadGame(lastLoadGameFP, gameNumber,
11142 lastLoadGameTitle, lastLoadGameUseList);
11144 return LoadGame(lastLoadGameFP, gameNumber,
11145 lastLoadGameTitle, lastLoadGameUseList);
11149 int keys[EmptySquare+1];
11152 PositionMatches(Board b1, Board b2)
11155 switch(appData.searchMode) {
11156 case 1: return CompareWithRights(b1, b2);
11158 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11159 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11163 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11164 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11165 sum += keys[b1[r][f]] - keys[b2[r][f]];
11169 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11170 sum += keys[b1[r][f]] - keys[b2[r][f]];
11182 int pieceList[256], quickBoard[256];
11183 ChessSquare pieceType[256] = { EmptySquare };
11184 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11185 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11186 int soughtTotal, turn;
11187 Boolean epOK, flipSearch;
11190 unsigned char piece, to;
11193 #define DSIZE (250000)
11195 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11196 Move *moveDatabase = initialSpace;
11197 unsigned int movePtr, dataSize = DSIZE;
11199 int MakePieceList(Board board, int *counts)
11201 int r, f, n=Q_PROMO, total=0;
11202 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11203 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11204 int sq = f + (r<<4);
11205 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11206 quickBoard[sq] = ++n;
11208 pieceType[n] = board[r][f];
11209 counts[board[r][f]]++;
11210 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11211 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11215 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11219 void PackMove(int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11221 int sq = fromX + (fromY<<4);
11222 int piece = quickBoard[sq];
11223 quickBoard[sq] = 0;
11224 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11225 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11226 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11227 moveDatabase[movePtr++].piece = Q_WCASTL;
11228 quickBoard[sq] = piece;
11229 piece = quickBoard[from]; quickBoard[from] = 0;
11230 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11232 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11233 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11234 moveDatabase[movePtr++].piece = Q_BCASTL;
11235 quickBoard[sq] = piece;
11236 piece = quickBoard[from]; quickBoard[from] = 0;
11237 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11239 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11240 quickBoard[(fromY<<4)+toX] = 0;
11241 moveDatabase[movePtr].piece = Q_EP;
11242 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11243 moveDatabase[movePtr].to = sq;
11245 if(promoPiece != pieceType[piece]) {
11246 moveDatabase[movePtr++].piece = Q_PROMO;
11247 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11249 moveDatabase[movePtr].piece = piece;
11250 quickBoard[sq] = piece;
11254 int PackGame(Board board)
11256 Move *newSpace = NULL;
11257 moveDatabase[movePtr].piece = 0; // terminate previous game
11258 if(movePtr > dataSize) {
11259 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11260 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11261 if(dataSize) newSpace = (Move*) calloc(8*dataSize + 1000, sizeof(Move));
11264 Move *p = moveDatabase, *q = newSpace;
11265 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11266 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11267 moveDatabase = newSpace;
11268 } else { // calloc failed, we must be out of memory. Too bad...
11269 dataSize = 0; // prevent calloc events for all subsequent games
11270 return 0; // and signal this one isn't cached
11274 MakePieceList(board, counts);
11278 int QuickCompare(Board board, int *minCounts, int *maxCounts)
11279 { // compare according to search mode
11281 switch(appData.searchMode)
11283 case 1: // exact position match
11284 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11285 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11286 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11289 case 2: // can have extra material on empty squares
11290 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11291 if(board[r][f] == EmptySquare) continue;
11292 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11295 case 3: // material with exact Pawn structure
11296 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11297 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11298 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11299 } // fall through to material comparison
11300 case 4: // exact material
11301 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11303 case 6: // material range with given imbalance
11304 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11305 // fall through to range comparison
11306 case 5: // material range
11307 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11312 int QuickScan(Board board, Move *move)
11313 { // reconstruct game,and compare all positions in it
11314 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11316 int piece = move->piece;
11317 int to = move->to, from = pieceList[piece];
11318 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11319 if(!piece) return -1;
11320 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11321 piece = (++move)->piece;
11322 from = pieceList[piece];
11323 counts[pieceType[piece]]--;
11324 pieceType[piece] = (ChessSquare) move->to;
11325 counts[move->to]++;
11326 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11327 counts[pieceType[quickBoard[to]]]--;
11328 quickBoard[to] = 0; total--;
11331 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11332 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11333 from = pieceList[piece]; // so this must be King
11334 quickBoard[from] = 0;
11335 quickBoard[to] = piece;
11336 pieceList[piece] = to;
11341 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11342 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11343 quickBoard[from] = 0;
11344 quickBoard[to] = piece;
11345 pieceList[piece] = to;
11347 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11348 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11349 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11350 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11352 static int lastCounts[EmptySquare+1];
11354 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11355 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11356 } else stretch = 0;
11357 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11365 flipSearch = FALSE;
11366 CopyBoard(soughtBoard, boards[currentMove]);
11367 soughtTotal = MakePieceList(soughtBoard, maxSought);
11368 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11369 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11370 CopyBoard(reverseBoard, boards[currentMove]);
11371 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11372 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11373 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11374 reverseBoard[r][f] = piece;
11376 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11377 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11378 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11379 || (boards[currentMove][CASTLING][2] == NoRights ||
11380 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11381 && (boards[currentMove][CASTLING][5] == NoRights ||
11382 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11385 CopyBoard(flipBoard, soughtBoard);
11386 CopyBoard(rotateBoard, reverseBoard);
11387 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11388 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11389 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11392 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11393 if(appData.searchMode >= 5) {
11394 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11395 MakePieceList(soughtBoard, minSought);
11396 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11398 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11399 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11402 GameInfo dummyInfo;
11404 int GameContainsPosition(FILE *f, ListGame *lg)
11406 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11407 int fromX, fromY, toX, toY;
11409 static int initDone=FALSE;
11411 // weed out games based on numerical tag comparison
11412 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11413 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11414 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11415 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11417 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11420 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11421 else CopyBoard(boards[scratch], initialPosition); // default start position
11424 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11425 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11428 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11429 fseek(f, lg->offset, 0);
11432 yyboardindex = scratch;
11433 quickFlag = plyNr+1;
11438 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11444 if(plyNr) return -1; // after we have seen moves, this is for new game
11447 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11448 case ImpossibleMove:
11449 case WhiteWins: // game ends here with these four
11452 case GameUnfinished:
11456 if(appData.testLegality) return -1;
11457 case WhiteCapturesEnPassant:
11458 case BlackCapturesEnPassant:
11459 case WhitePromotion:
11460 case BlackPromotion:
11461 case WhiteNonPromotion:
11462 case BlackNonPromotion:
11464 case WhiteKingSideCastle:
11465 case WhiteQueenSideCastle:
11466 case BlackKingSideCastle:
11467 case BlackQueenSideCastle:
11468 case WhiteKingSideCastleWild:
11469 case WhiteQueenSideCastleWild:
11470 case BlackKingSideCastleWild:
11471 case BlackQueenSideCastleWild:
11472 case WhiteHSideCastleFR:
11473 case WhiteASideCastleFR:
11474 case BlackHSideCastleFR:
11475 case BlackASideCastleFR:
11476 fromX = currentMoveString[0] - AAA;
11477 fromY = currentMoveString[1] - ONE;
11478 toX = currentMoveString[2] - AAA;
11479 toY = currentMoveString[3] - ONE;
11480 promoChar = currentMoveString[4];
11484 fromX = next == WhiteDrop ?
11485 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11486 (int) CharToPiece(ToLower(currentMoveString[0]));
11488 toX = currentMoveString[2] - AAA;
11489 toY = currentMoveString[3] - ONE;
11493 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11495 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11496 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11497 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11498 if(appData.findMirror) {
11499 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11500 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11505 /* Load the nth game from open file f */
11507 LoadGame(f, gameNumber, title, useList)
11515 int gn = gameNumber;
11516 ListGame *lg = NULL;
11517 int numPGNTags = 0;
11519 GameMode oldGameMode;
11520 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11522 if (appData.debugMode)
11523 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11525 if (gameMode == Training )
11526 SetTrainingModeOff();
11528 oldGameMode = gameMode;
11529 if (gameMode != BeginningOfGame) {
11530 Reset(FALSE, TRUE);
11534 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11535 fclose(lastLoadGameFP);
11539 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11542 fseek(f, lg->offset, 0);
11543 GameListHighlight(gameNumber);
11544 pos = lg->position;
11548 DisplayError(_("Game number out of range"), 0);
11553 if (fseek(f, 0, 0) == -1) {
11554 if (f == lastLoadGameFP ?
11555 gameNumber == lastLoadGameNumber + 1 :
11559 DisplayError(_("Can't seek on game file"), 0);
11564 lastLoadGameFP = f;
11565 lastLoadGameNumber = gameNumber;
11566 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11567 lastLoadGameUseList = useList;
11571 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11572 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
11573 lg->gameInfo.black);
11575 } else if (*title != NULLCHAR) {
11576 if (gameNumber > 1) {
11577 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11580 DisplayTitle(title);
11584 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11585 gameMode = PlayFromGameFile;
11589 currentMove = forwardMostMove = backwardMostMove = 0;
11590 CopyBoard(boards[0], initialPosition);
11594 * Skip the first gn-1 games in the file.
11595 * Also skip over anything that precedes an identifiable
11596 * start of game marker, to avoid being confused by
11597 * garbage at the start of the file. Currently
11598 * recognized start of game markers are the move number "1",
11599 * the pattern "gnuchess .* game", the pattern
11600 * "^[#;%] [^ ]* game file", and a PGN tag block.
11601 * A game that starts with one of the latter two patterns
11602 * will also have a move number 1, possibly
11603 * following a position diagram.
11604 * 5-4-02: Let's try being more lenient and allowing a game to
11605 * start with an unnumbered move. Does that break anything?
11607 cm = lastLoadGameStart = EndOfFile;
11609 yyboardindex = forwardMostMove;
11610 cm = (ChessMove) Myylex();
11613 if (cmailMsgLoaded) {
11614 nCmailGames = CMAIL_MAX_GAMES - gn;
11617 DisplayError(_("Game not found in file"), 0);
11624 lastLoadGameStart = cm;
11627 case MoveNumberOne:
11628 switch (lastLoadGameStart) {
11633 case MoveNumberOne:
11635 gn--; /* count this game */
11636 lastLoadGameStart = cm;
11645 switch (lastLoadGameStart) {
11648 case MoveNumberOne:
11650 gn--; /* count this game */
11651 lastLoadGameStart = cm;
11654 lastLoadGameStart = cm; /* game counted already */
11662 yyboardindex = forwardMostMove;
11663 cm = (ChessMove) Myylex();
11664 } while (cm == PGNTag || cm == Comment);
11671 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11672 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11673 != CMAIL_OLD_RESULT) {
11675 cmailResult[ CMAIL_MAX_GAMES
11676 - gn - 1] = CMAIL_OLD_RESULT;
11682 /* Only a NormalMove can be at the start of a game
11683 * without a position diagram. */
11684 if (lastLoadGameStart == EndOfFile ) {
11686 lastLoadGameStart = MoveNumberOne;
11695 if (appData.debugMode)
11696 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11698 if (cm == XBoardGame) {
11699 /* Skip any header junk before position diagram and/or move 1 */
11701 yyboardindex = forwardMostMove;
11702 cm = (ChessMove) Myylex();
11704 if (cm == EndOfFile ||
11705 cm == GNUChessGame || cm == XBoardGame) {
11706 /* Empty game; pretend end-of-file and handle later */
11711 if (cm == MoveNumberOne || cm == PositionDiagram ||
11712 cm == PGNTag || cm == Comment)
11715 } else if (cm == GNUChessGame) {
11716 if (gameInfo.event != NULL) {
11717 free(gameInfo.event);
11719 gameInfo.event = StrSave(yy_text);
11722 startedFromSetupPosition = FALSE;
11723 while (cm == PGNTag) {
11724 if (appData.debugMode)
11725 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11726 err = ParsePGNTag(yy_text, &gameInfo);
11727 if (!err) numPGNTags++;
11729 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11730 if(gameInfo.variant != oldVariant) {
11731 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11732 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11733 InitPosition(TRUE);
11734 oldVariant = gameInfo.variant;
11735 if (appData.debugMode)
11736 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11740 if (gameInfo.fen != NULL) {
11741 Board initial_position;
11742 startedFromSetupPosition = TRUE;
11743 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11745 DisplayError(_("Bad FEN position in file"), 0);
11748 CopyBoard(boards[0], initial_position);
11749 if (blackPlaysFirst) {
11750 currentMove = forwardMostMove = backwardMostMove = 1;
11751 CopyBoard(boards[1], initial_position);
11752 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11753 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11754 timeRemaining[0][1] = whiteTimeRemaining;
11755 timeRemaining[1][1] = blackTimeRemaining;
11756 if (commentList[0] != NULL) {
11757 commentList[1] = commentList[0];
11758 commentList[0] = NULL;
11761 currentMove = forwardMostMove = backwardMostMove = 0;
11763 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11765 initialRulePlies = FENrulePlies;
11766 for( i=0; i< nrCastlingRights; i++ )
11767 initialRights[i] = initial_position[CASTLING][i];
11769 yyboardindex = forwardMostMove;
11770 free(gameInfo.fen);
11771 gameInfo.fen = NULL;
11774 yyboardindex = forwardMostMove;
11775 cm = (ChessMove) Myylex();
11777 /* Handle comments interspersed among the tags */
11778 while (cm == Comment) {
11780 if (appData.debugMode)
11781 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11783 AppendComment(currentMove, p, FALSE);
11784 yyboardindex = forwardMostMove;
11785 cm = (ChessMove) Myylex();
11789 /* don't rely on existence of Event tag since if game was
11790 * pasted from clipboard the Event tag may not exist
11792 if (numPGNTags > 0){
11794 if (gameInfo.variant == VariantNormal) {
11795 VariantClass v = StringToVariant(gameInfo.event);
11796 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11797 if(v < VariantShogi) gameInfo.variant = v;
11800 if( appData.autoDisplayTags ) {
11801 tags = PGNTags(&gameInfo);
11802 TagsPopUp(tags, CmailMsg());
11807 /* Make something up, but don't display it now */
11812 if (cm == PositionDiagram) {
11815 Board initial_position;
11817 if (appData.debugMode)
11818 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11820 if (!startedFromSetupPosition) {
11822 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11823 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11834 initial_position[i][j++] = CharToPiece(*p);
11837 while (*p == ' ' || *p == '\t' ||
11838 *p == '\n' || *p == '\r') p++;
11840 if (strncmp(p, "black", strlen("black"))==0)
11841 blackPlaysFirst = TRUE;
11843 blackPlaysFirst = FALSE;
11844 startedFromSetupPosition = TRUE;
11846 CopyBoard(boards[0], initial_position);
11847 if (blackPlaysFirst) {
11848 currentMove = forwardMostMove = backwardMostMove = 1;
11849 CopyBoard(boards[1], initial_position);
11850 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11851 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11852 timeRemaining[0][1] = whiteTimeRemaining;
11853 timeRemaining[1][1] = blackTimeRemaining;
11854 if (commentList[0] != NULL) {
11855 commentList[1] = commentList[0];
11856 commentList[0] = NULL;
11859 currentMove = forwardMostMove = backwardMostMove = 0;
11862 yyboardindex = forwardMostMove;
11863 cm = (ChessMove) Myylex();
11866 if (first.pr == NoProc) {
11867 StartChessProgram(&first);
11869 InitChessProgram(&first, FALSE);
11870 SendToProgram("force\n", &first);
11871 if (startedFromSetupPosition) {
11872 SendBoard(&first, forwardMostMove);
11873 if (appData.debugMode) {
11874 fprintf(debugFP, "Load Game\n");
11876 DisplayBothClocks();
11879 /* [HGM] server: flag to write setup moves in broadcast file as one */
11880 loadFlag = appData.suppressLoadMoves;
11882 while (cm == Comment) {
11884 if (appData.debugMode)
11885 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11887 AppendComment(currentMove, p, FALSE);
11888 yyboardindex = forwardMostMove;
11889 cm = (ChessMove) Myylex();
11892 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11893 cm == WhiteWins || cm == BlackWins ||
11894 cm == GameIsDrawn || cm == GameUnfinished) {
11895 DisplayMessage("", _("No moves in game"));
11896 if (cmailMsgLoaded) {
11897 if (appData.debugMode)
11898 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11902 DrawPosition(FALSE, boards[currentMove]);
11903 DisplayBothClocks();
11904 gameMode = EditGame;
11911 // [HGM] PV info: routine tests if comment empty
11912 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11913 DisplayComment(currentMove - 1, commentList[currentMove]);
11915 if (!matchMode && appData.timeDelay != 0)
11916 DrawPosition(FALSE, boards[currentMove]);
11918 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11919 programStats.ok_to_send = 1;
11922 /* if the first token after the PGN tags is a move
11923 * and not move number 1, retrieve it from the parser
11925 if (cm != MoveNumberOne)
11926 LoadGameOneMove(cm);
11928 /* load the remaining moves from the file */
11929 while (LoadGameOneMove(EndOfFile)) {
11930 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11931 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11934 /* rewind to the start of the game */
11935 currentMove = backwardMostMove;
11937 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11939 if (oldGameMode == AnalyzeFile ||
11940 oldGameMode == AnalyzeMode) {
11941 AnalyzeFileEvent();
11944 if (!matchMode && pos >= 0) {
11945 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11947 if (matchMode || appData.timeDelay == 0) {
11949 } else if (appData.timeDelay > 0) {
11950 AutoPlayGameLoop();
11953 if (appData.debugMode)
11954 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11956 loadFlag = 0; /* [HGM] true game starts */
11960 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11962 ReloadPosition(offset)
11965 int positionNumber = lastLoadPositionNumber + offset;
11966 if (lastLoadPositionFP == NULL) {
11967 DisplayError(_("No position has been loaded yet"), 0);
11970 if (positionNumber <= 0) {
11971 DisplayError(_("Can't back up any further"), 0);
11974 return LoadPosition(lastLoadPositionFP, positionNumber,
11975 lastLoadPositionTitle);
11978 /* Load the nth position from the given file */
11980 LoadPositionFromFile(filename, n, title)
11988 if (strcmp(filename, "-") == 0) {
11989 return LoadPosition(stdin, n, "stdin");
11991 f = fopen(filename, "rb");
11993 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11994 DisplayError(buf, errno);
11997 return LoadPosition(f, n, title);
12002 /* Load the nth position from the given open file, and close it */
12004 LoadPosition(f, positionNumber, title)
12006 int positionNumber;
12009 char *p, line[MSG_SIZ];
12010 Board initial_position;
12011 int i, j, fenMode, pn;
12013 if (gameMode == Training )
12014 SetTrainingModeOff();
12016 if (gameMode != BeginningOfGame) {
12017 Reset(FALSE, TRUE);
12019 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12020 fclose(lastLoadPositionFP);
12022 if (positionNumber == 0) positionNumber = 1;
12023 lastLoadPositionFP = f;
12024 lastLoadPositionNumber = positionNumber;
12025 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12026 if (first.pr == NoProc && !appData.noChessProgram) {
12027 StartChessProgram(&first);
12028 InitChessProgram(&first, FALSE);
12030 pn = positionNumber;
12031 if (positionNumber < 0) {
12032 /* Negative position number means to seek to that byte offset */
12033 if (fseek(f, -positionNumber, 0) == -1) {
12034 DisplayError(_("Can't seek on position file"), 0);
12039 if (fseek(f, 0, 0) == -1) {
12040 if (f == lastLoadPositionFP ?
12041 positionNumber == lastLoadPositionNumber + 1 :
12042 positionNumber == 1) {
12045 DisplayError(_("Can't seek on position file"), 0);
12050 /* See if this file is FEN or old-style xboard */
12051 if (fgets(line, MSG_SIZ, f) == NULL) {
12052 DisplayError(_("Position not found in file"), 0);
12055 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12056 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12059 if (fenMode || line[0] == '#') pn--;
12061 /* skip positions before number pn */
12062 if (fgets(line, MSG_SIZ, f) == NULL) {
12064 DisplayError(_("Position not found in file"), 0);
12067 if (fenMode || line[0] == '#') pn--;
12072 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12073 DisplayError(_("Bad FEN position in file"), 0);
12077 (void) fgets(line, MSG_SIZ, f);
12078 (void) fgets(line, MSG_SIZ, f);
12080 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12081 (void) fgets(line, MSG_SIZ, f);
12082 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12085 initial_position[i][j++] = CharToPiece(*p);
12089 blackPlaysFirst = FALSE;
12091 (void) fgets(line, MSG_SIZ, f);
12092 if (strncmp(line, "black", strlen("black"))==0)
12093 blackPlaysFirst = TRUE;
12096 startedFromSetupPosition = TRUE;
12098 CopyBoard(boards[0], initial_position);
12099 if (blackPlaysFirst) {
12100 currentMove = forwardMostMove = backwardMostMove = 1;
12101 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12102 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12103 CopyBoard(boards[1], initial_position);
12104 DisplayMessage("", _("Black to play"));
12106 currentMove = forwardMostMove = backwardMostMove = 0;
12107 DisplayMessage("", _("White to play"));
12109 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12110 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12111 SendToProgram("force\n", &first);
12112 SendBoard(&first, forwardMostMove);
12114 if (appData.debugMode) {
12116 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12117 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12118 fprintf(debugFP, "Load Position\n");
12121 if (positionNumber > 1) {
12122 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12123 DisplayTitle(line);
12125 DisplayTitle(title);
12127 gameMode = EditGame;
12130 timeRemaining[0][1] = whiteTimeRemaining;
12131 timeRemaining[1][1] = blackTimeRemaining;
12132 DrawPosition(FALSE, boards[currentMove]);
12139 CopyPlayerNameIntoFileName(dest, src)
12142 while (*src != NULLCHAR && *src != ',') {
12147 *(*dest)++ = *src++;
12152 char *DefaultFileName(ext)
12155 static char def[MSG_SIZ];
12158 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12160 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12162 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12164 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12171 /* Save the current game to the given file */
12173 SaveGameToFile(filename, append)
12179 int result, i, t,tot=0;
12181 if (strcmp(filename, "-") == 0) {
12182 return SaveGame(stdout, 0, NULL);
12184 for(i=0; i<10; i++) { // upto 10 tries
12185 f = fopen(filename, append ? "a" : "w");
12186 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12187 if(f || errno != 13) break;
12188 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12192 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12193 DisplayError(buf, errno);
12196 safeStrCpy(buf, lastMsg, MSG_SIZ);
12197 DisplayMessage(_("Waiting for access to save file"), "");
12198 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12199 DisplayMessage(_("Saving game"), "");
12200 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
12201 result = SaveGame(f, 0, NULL);
12202 DisplayMessage(buf, "");
12212 static char buf[MSG_SIZ];
12215 p = strchr(str, ' ');
12216 if (p == NULL) return str;
12217 strncpy(buf, str, p - str);
12218 buf[p - str] = NULLCHAR;
12222 #define PGN_MAX_LINE 75
12224 #define PGN_SIDE_WHITE 0
12225 #define PGN_SIDE_BLACK 1
12228 static int FindFirstMoveOutOfBook( int side )
12232 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12233 int index = backwardMostMove;
12234 int has_book_hit = 0;
12236 if( (index % 2) != side ) {
12240 while( index < forwardMostMove ) {
12241 /* Check to see if engine is in book */
12242 int depth = pvInfoList[index].depth;
12243 int score = pvInfoList[index].score;
12249 else if( score == 0 && depth == 63 ) {
12250 in_book = 1; /* Zappa */
12252 else if( score == 2 && depth == 99 ) {
12253 in_book = 1; /* Abrok */
12256 has_book_hit += in_book;
12272 void GetOutOfBookInfo( char * buf )
12276 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12278 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12279 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12283 if( oob[0] >= 0 || oob[1] >= 0 ) {
12284 for( i=0; i<2; i++ ) {
12288 if( i > 0 && oob[0] >= 0 ) {
12289 strcat( buf, " " );
12292 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12293 sprintf( buf+strlen(buf), "%s%.2f",
12294 pvInfoList[idx].score >= 0 ? "+" : "",
12295 pvInfoList[idx].score / 100.0 );
12301 /* Save game in PGN style and close the file */
12306 int i, offset, linelen, newblock;
12310 int movelen, numlen, blank;
12311 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12313 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12315 tm = time((time_t *) NULL);
12317 PrintPGNTags(f, &gameInfo);
12319 if (backwardMostMove > 0 || startedFromSetupPosition) {
12320 char *fen = PositionToFEN(backwardMostMove, NULL);
12321 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12322 fprintf(f, "\n{--------------\n");
12323 PrintPosition(f, backwardMostMove);
12324 fprintf(f, "--------------}\n");
12328 /* [AS] Out of book annotation */
12329 if( appData.saveOutOfBookInfo ) {
12332 GetOutOfBookInfo( buf );
12334 if( buf[0] != '\0' ) {
12335 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12342 i = backwardMostMove;
12346 while (i < forwardMostMove) {
12347 /* Print comments preceding this move */
12348 if (commentList[i] != NULL) {
12349 if (linelen > 0) fprintf(f, "\n");
12350 fprintf(f, "%s", commentList[i]);
12355 /* Format move number */
12357 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12360 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12362 numtext[0] = NULLCHAR;
12364 numlen = strlen(numtext);
12367 /* Print move number */
12368 blank = linelen > 0 && numlen > 0;
12369 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12378 fprintf(f, "%s", numtext);
12382 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12383 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12386 blank = linelen > 0 && movelen > 0;
12387 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12396 fprintf(f, "%s", move_buffer);
12397 linelen += movelen;
12399 /* [AS] Add PV info if present */
12400 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12401 /* [HGM] add time */
12402 char buf[MSG_SIZ]; int seconds;
12404 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12410 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12413 seconds = (seconds + 4)/10; // round to full seconds
12415 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12417 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12420 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12421 pvInfoList[i].score >= 0 ? "+" : "",
12422 pvInfoList[i].score / 100.0,
12423 pvInfoList[i].depth,
12426 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12428 /* Print score/depth */
12429 blank = linelen > 0 && movelen > 0;
12430 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12439 fprintf(f, "%s", move_buffer);
12440 linelen += movelen;
12446 /* Start a new line */
12447 if (linelen > 0) fprintf(f, "\n");
12449 /* Print comments after last move */
12450 if (commentList[i] != NULL) {
12451 fprintf(f, "%s\n", commentList[i]);
12455 if (gameInfo.resultDetails != NULL &&
12456 gameInfo.resultDetails[0] != NULLCHAR) {
12457 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12458 PGNResult(gameInfo.result));
12460 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12464 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12468 /* Save game in old style and close the file */
12470 SaveGameOldStyle(f)
12476 tm = time((time_t *) NULL);
12478 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12481 if (backwardMostMove > 0 || startedFromSetupPosition) {
12482 fprintf(f, "\n[--------------\n");
12483 PrintPosition(f, backwardMostMove);
12484 fprintf(f, "--------------]\n");
12489 i = backwardMostMove;
12490 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12492 while (i < forwardMostMove) {
12493 if (commentList[i] != NULL) {
12494 fprintf(f, "[%s]\n", commentList[i]);
12497 if ((i % 2) == 1) {
12498 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12501 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12503 if (commentList[i] != NULL) {
12507 if (i >= forwardMostMove) {
12511 fprintf(f, "%s\n", parseList[i]);
12516 if (commentList[i] != NULL) {
12517 fprintf(f, "[%s]\n", commentList[i]);
12520 /* This isn't really the old style, but it's close enough */
12521 if (gameInfo.resultDetails != NULL &&
12522 gameInfo.resultDetails[0] != NULLCHAR) {
12523 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12524 gameInfo.resultDetails);
12526 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12533 /* Save the current game to open file f and close the file */
12535 SaveGame(f, dummy, dummy2)
12540 if (gameMode == EditPosition) EditPositionDone(TRUE);
12541 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12542 if (appData.oldSaveStyle)
12543 return SaveGameOldStyle(f);
12545 return SaveGamePGN(f);
12548 /* Save the current position to the given file */
12550 SavePositionToFile(filename)
12556 if (strcmp(filename, "-") == 0) {
12557 return SavePosition(stdout, 0, NULL);
12559 f = fopen(filename, "a");
12561 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12562 DisplayError(buf, errno);
12565 safeStrCpy(buf, lastMsg, MSG_SIZ);
12566 DisplayMessage(_("Waiting for access to save file"), "");
12567 flock(fileno(f), LOCK_EX); // [HGM] lock
12568 DisplayMessage(_("Saving position"), "");
12569 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12570 SavePosition(f, 0, NULL);
12571 DisplayMessage(buf, "");
12577 /* Save the current position to the given open file and close the file */
12579 SavePosition(f, dummy, dummy2)
12587 if (gameMode == EditPosition) EditPositionDone(TRUE);
12588 if (appData.oldSaveStyle) {
12589 tm = time((time_t *) NULL);
12591 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12593 fprintf(f, "[--------------\n");
12594 PrintPosition(f, currentMove);
12595 fprintf(f, "--------------]\n");
12597 fen = PositionToFEN(currentMove, NULL);
12598 fprintf(f, "%s\n", fen);
12606 ReloadCmailMsgEvent(unregister)
12610 static char *inFilename = NULL;
12611 static char *outFilename;
12613 struct stat inbuf, outbuf;
12616 /* Any registered moves are unregistered if unregister is set, */
12617 /* i.e. invoked by the signal handler */
12619 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12620 cmailMoveRegistered[i] = FALSE;
12621 if (cmailCommentList[i] != NULL) {
12622 free(cmailCommentList[i]);
12623 cmailCommentList[i] = NULL;
12626 nCmailMovesRegistered = 0;
12629 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12630 cmailResult[i] = CMAIL_NOT_RESULT;
12634 if (inFilename == NULL) {
12635 /* Because the filenames are static they only get malloced once */
12636 /* and they never get freed */
12637 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12638 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12640 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12641 sprintf(outFilename, "%s.out", appData.cmailGameName);
12644 status = stat(outFilename, &outbuf);
12646 cmailMailedMove = FALSE;
12648 status = stat(inFilename, &inbuf);
12649 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12652 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12653 counts the games, notes how each one terminated, etc.
12655 It would be nice to remove this kludge and instead gather all
12656 the information while building the game list. (And to keep it
12657 in the game list nodes instead of having a bunch of fixed-size
12658 parallel arrays.) Note this will require getting each game's
12659 termination from the PGN tags, as the game list builder does
12660 not process the game moves. --mann
12662 cmailMsgLoaded = TRUE;
12663 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12665 /* Load first game in the file or popup game menu */
12666 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12668 #endif /* !WIN32 */
12676 char string[MSG_SIZ];
12678 if ( cmailMailedMove
12679 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12680 return TRUE; /* Allow free viewing */
12683 /* Unregister move to ensure that we don't leave RegisterMove */
12684 /* with the move registered when the conditions for registering no */
12686 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12687 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12688 nCmailMovesRegistered --;
12690 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12692 free(cmailCommentList[lastLoadGameNumber - 1]);
12693 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12697 if (cmailOldMove == -1) {
12698 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12702 if (currentMove > cmailOldMove + 1) {
12703 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12707 if (currentMove < cmailOldMove) {
12708 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12712 if (forwardMostMove > currentMove) {
12713 /* Silently truncate extra moves */
12717 if ( (currentMove == cmailOldMove + 1)
12718 || ( (currentMove == cmailOldMove)
12719 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12720 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12721 if (gameInfo.result != GameUnfinished) {
12722 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12725 if (commentList[currentMove] != NULL) {
12726 cmailCommentList[lastLoadGameNumber - 1]
12727 = StrSave(commentList[currentMove]);
12729 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12731 if (appData.debugMode)
12732 fprintf(debugFP, "Saving %s for game %d\n",
12733 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12735 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12737 f = fopen(string, "w");
12738 if (appData.oldSaveStyle) {
12739 SaveGameOldStyle(f); /* also closes the file */
12741 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12742 f = fopen(string, "w");
12743 SavePosition(f, 0, NULL); /* also closes the file */
12745 fprintf(f, "{--------------\n");
12746 PrintPosition(f, currentMove);
12747 fprintf(f, "--------------}\n\n");
12749 SaveGame(f, 0, NULL); /* also closes the file*/
12752 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12753 nCmailMovesRegistered ++;
12754 } else if (nCmailGames == 1) {
12755 DisplayError(_("You have not made a move yet"), 0);
12766 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12767 FILE *commandOutput;
12768 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12769 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12775 if (! cmailMsgLoaded) {
12776 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12780 if (nCmailGames == nCmailResults) {
12781 DisplayError(_("No unfinished games"), 0);
12785 #if CMAIL_PROHIBIT_REMAIL
12786 if (cmailMailedMove) {
12787 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);
12788 DisplayError(msg, 0);
12793 if (! (cmailMailedMove || RegisterMove())) return;
12795 if ( cmailMailedMove
12796 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12797 snprintf(string, MSG_SIZ, partCommandString,
12798 appData.debugMode ? " -v" : "", appData.cmailGameName);
12799 commandOutput = popen(string, "r");
12801 if (commandOutput == NULL) {
12802 DisplayError(_("Failed to invoke cmail"), 0);
12804 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12805 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12807 if (nBuffers > 1) {
12808 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12809 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12810 nBytes = MSG_SIZ - 1;
12812 (void) memcpy(msg, buffer, nBytes);
12814 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12816 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12817 cmailMailedMove = TRUE; /* Prevent >1 moves */
12820 for (i = 0; i < nCmailGames; i ++) {
12821 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12826 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12828 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12830 appData.cmailGameName,
12832 LoadGameFromFile(buffer, 1, buffer, FALSE);
12833 cmailMsgLoaded = FALSE;
12837 DisplayInformation(msg);
12838 pclose(commandOutput);
12841 if ((*cmailMsg) != '\0') {
12842 DisplayInformation(cmailMsg);
12847 #endif /* !WIN32 */
12856 int prependComma = 0;
12858 char string[MSG_SIZ]; /* Space for game-list */
12861 if (!cmailMsgLoaded) return "";
12863 if (cmailMailedMove) {
12864 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12866 /* Create a list of games left */
12867 snprintf(string, MSG_SIZ, "[");
12868 for (i = 0; i < nCmailGames; i ++) {
12869 if (! ( cmailMoveRegistered[i]
12870 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12871 if (prependComma) {
12872 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12874 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12878 strcat(string, number);
12881 strcat(string, "]");
12883 if (nCmailMovesRegistered + nCmailResults == 0) {
12884 switch (nCmailGames) {
12886 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12890 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12894 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12899 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12901 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12906 if (nCmailResults == nCmailGames) {
12907 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12909 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12914 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12926 if (gameMode == Training)
12927 SetTrainingModeOff();
12930 cmailMsgLoaded = FALSE;
12931 if (appData.icsActive) {
12932 SendToICS(ics_prefix);
12933 SendToICS("refresh\n");
12943 /* Give up on clean exit */
12947 /* Keep trying for clean exit */
12951 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12953 if (telnetISR != NULL) {
12954 RemoveInputSource(telnetISR);
12956 if (icsPR != NoProc) {
12957 DestroyChildProcess(icsPR, TRUE);
12960 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12961 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12963 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12964 /* make sure this other one finishes before killing it! */
12965 if(endingGame) { int count = 0;
12966 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12967 while(endingGame && count++ < 10) DoSleep(1);
12968 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12971 /* Kill off chess programs */
12972 if (first.pr != NoProc) {
12975 DoSleep( appData.delayBeforeQuit );
12976 SendToProgram("quit\n", &first);
12977 DoSleep( appData.delayAfterQuit );
12978 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12980 if (second.pr != NoProc) {
12981 DoSleep( appData.delayBeforeQuit );
12982 SendToProgram("quit\n", &second);
12983 DoSleep( appData.delayAfterQuit );
12984 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12986 if (first.isr != NULL) {
12987 RemoveInputSource(first.isr);
12989 if (second.isr != NULL) {
12990 RemoveInputSource(second.isr);
12993 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12994 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12996 ShutDownFrontEnd();
13003 if (appData.debugMode)
13004 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13008 if (gameMode == MachinePlaysWhite ||
13009 gameMode == MachinePlaysBlack) {
13012 DisplayBothClocks();
13014 if (gameMode == PlayFromGameFile) {
13015 if (appData.timeDelay >= 0)
13016 AutoPlayGameLoop();
13017 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13018 Reset(FALSE, TRUE);
13019 SendToICS(ics_prefix);
13020 SendToICS("refresh\n");
13021 } else if (currentMove < forwardMostMove) {
13022 ForwardInner(forwardMostMove);
13024 pauseExamInvalid = FALSE;
13026 switch (gameMode) {
13030 pauseExamForwardMostMove = forwardMostMove;
13031 pauseExamInvalid = FALSE;
13034 case IcsPlayingWhite:
13035 case IcsPlayingBlack:
13039 case PlayFromGameFile:
13040 (void) StopLoadGameTimer();
13044 case BeginningOfGame:
13045 if (appData.icsActive) return;
13046 /* else fall through */
13047 case MachinePlaysWhite:
13048 case MachinePlaysBlack:
13049 case TwoMachinesPlay:
13050 if (forwardMostMove == 0)
13051 return; /* don't pause if no one has moved */
13052 if ((gameMode == MachinePlaysWhite &&
13053 !WhiteOnMove(forwardMostMove)) ||
13054 (gameMode == MachinePlaysBlack &&
13055 WhiteOnMove(forwardMostMove))) {
13068 char title[MSG_SIZ];
13070 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13071 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13073 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13074 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13075 parseList[currentMove - 1]);
13078 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13085 char *tags = PGNTags(&gameInfo);
13087 EditTagsPopUp(tags, NULL);
13094 if (appData.noChessProgram || gameMode == AnalyzeMode)
13097 if (gameMode != AnalyzeFile) {
13098 if (!appData.icsEngineAnalyze) {
13100 if (gameMode != EditGame) return;
13102 ResurrectChessProgram();
13103 SendToProgram("analyze\n", &first);
13104 first.analyzing = TRUE;
13105 /*first.maybeThinking = TRUE;*/
13106 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13107 EngineOutputPopUp();
13109 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13114 StartAnalysisClock();
13115 GetTimeMark(&lastNodeCountTime);
13122 if (appData.noChessProgram || gameMode == AnalyzeFile)
13125 if (gameMode != AnalyzeMode) {
13127 if (gameMode != EditGame) return;
13128 ResurrectChessProgram();
13129 SendToProgram("analyze\n", &first);
13130 first.analyzing = TRUE;
13131 /*first.maybeThinking = TRUE;*/
13132 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13133 EngineOutputPopUp();
13135 gameMode = AnalyzeFile;
13140 StartAnalysisClock();
13141 GetTimeMark(&lastNodeCountTime);
13143 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13147 MachineWhiteEvent()
13150 char *bookHit = NULL;
13152 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13156 if (gameMode == PlayFromGameFile ||
13157 gameMode == TwoMachinesPlay ||
13158 gameMode == Training ||
13159 gameMode == AnalyzeMode ||
13160 gameMode == EndOfGame)
13163 if (gameMode == EditPosition)
13164 EditPositionDone(TRUE);
13166 if (!WhiteOnMove(currentMove)) {
13167 DisplayError(_("It is not White's turn"), 0);
13171 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13174 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13175 gameMode == AnalyzeFile)
13178 ResurrectChessProgram(); /* in case it isn't running */
13179 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13180 gameMode = MachinePlaysWhite;
13183 gameMode = MachinePlaysWhite;
13187 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13189 if (first.sendName) {
13190 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13191 SendToProgram(buf, &first);
13193 if (first.sendTime) {
13194 if (first.useColors) {
13195 SendToProgram("black\n", &first); /*gnu kludge*/
13197 SendTimeRemaining(&first, TRUE);
13199 if (first.useColors) {
13200 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13202 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13203 SetMachineThinkingEnables();
13204 first.maybeThinking = TRUE;
13208 if (appData.autoFlipView && !flipView) {
13209 flipView = !flipView;
13210 DrawPosition(FALSE, NULL);
13211 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13214 if(bookHit) { // [HGM] book: simulate book reply
13215 static char bookMove[MSG_SIZ]; // a bit generous?
13217 programStats.nodes = programStats.depth = programStats.time =
13218 programStats.score = programStats.got_only_move = 0;
13219 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13221 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13222 strcat(bookMove, bookHit);
13223 HandleMachineMove(bookMove, &first);
13228 MachineBlackEvent()
13231 char *bookHit = NULL;
13233 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13237 if (gameMode == PlayFromGameFile ||
13238 gameMode == TwoMachinesPlay ||
13239 gameMode == Training ||
13240 gameMode == AnalyzeMode ||
13241 gameMode == EndOfGame)
13244 if (gameMode == EditPosition)
13245 EditPositionDone(TRUE);
13247 if (WhiteOnMove(currentMove)) {
13248 DisplayError(_("It is not Black's turn"), 0);
13252 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13255 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13256 gameMode == AnalyzeFile)
13259 ResurrectChessProgram(); /* in case it isn't running */
13260 gameMode = MachinePlaysBlack;
13264 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13266 if (first.sendName) {
13267 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13268 SendToProgram(buf, &first);
13270 if (first.sendTime) {
13271 if (first.useColors) {
13272 SendToProgram("white\n", &first); /*gnu kludge*/
13274 SendTimeRemaining(&first, FALSE);
13276 if (first.useColors) {
13277 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13279 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13280 SetMachineThinkingEnables();
13281 first.maybeThinking = TRUE;
13284 if (appData.autoFlipView && flipView) {
13285 flipView = !flipView;
13286 DrawPosition(FALSE, NULL);
13287 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13289 if(bookHit) { // [HGM] book: simulate book reply
13290 static char bookMove[MSG_SIZ]; // a bit generous?
13292 programStats.nodes = programStats.depth = programStats.time =
13293 programStats.score = programStats.got_only_move = 0;
13294 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13296 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13297 strcat(bookMove, bookHit);
13298 HandleMachineMove(bookMove, &first);
13304 DisplayTwoMachinesTitle()
13307 if (appData.matchGames > 0) {
13308 if(appData.tourneyFile[0]) {
13309 snprintf(buf, MSG_SIZ, "%s vs. %s (%d/%d%s)",
13310 gameInfo.white, gameInfo.black,
13311 nextGame+1, appData.matchGames+1,
13312 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13314 if (first.twoMachinesColor[0] == 'w') {
13315 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13316 gameInfo.white, gameInfo.black,
13317 first.matchWins, second.matchWins,
13318 matchGame - 1 - (first.matchWins + second.matchWins));
13320 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13321 gameInfo.white, gameInfo.black,
13322 second.matchWins, first.matchWins,
13323 matchGame - 1 - (first.matchWins + second.matchWins));
13326 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13332 SettingsMenuIfReady()
13334 if (second.lastPing != second.lastPong) {
13335 DisplayMessage("", _("Waiting for second chess program"));
13336 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13340 DisplayMessage("", "");
13341 SettingsPopUp(&second);
13345 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
13348 if (cps->pr == NoProc) {
13349 StartChessProgram(cps);
13350 if (cps->protocolVersion == 1) {
13353 /* kludge: allow timeout for initial "feature" command */
13355 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13356 DisplayMessage("", buf);
13357 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13365 TwoMachinesEvent P((void))
13369 ChessProgramState *onmove;
13370 char *bookHit = NULL;
13371 static int stalling = 0;
13375 if (appData.noChessProgram) return;
13377 switch (gameMode) {
13378 case TwoMachinesPlay:
13380 case MachinePlaysWhite:
13381 case MachinePlaysBlack:
13382 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13383 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13387 case BeginningOfGame:
13388 case PlayFromGameFile:
13391 if (gameMode != EditGame) return;
13394 EditPositionDone(TRUE);
13405 // forwardMostMove = currentMove;
13406 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13408 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13410 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13411 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13412 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13416 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13417 SendToProgram("force\n", &second);
13419 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13422 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13423 if(appData.matchPause>10000 || appData.matchPause<10)
13424 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13425 wait = SubtractTimeMarks(&now, &pauseStart);
13426 if(wait < appData.matchPause) {
13427 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13431 DisplayMessage("", "");
13432 if (startedFromSetupPosition) {
13433 SendBoard(&second, backwardMostMove);
13434 if (appData.debugMode) {
13435 fprintf(debugFP, "Two Machines\n");
13438 for (i = backwardMostMove; i < forwardMostMove; i++) {
13439 SendMoveToProgram(i, &second);
13442 gameMode = TwoMachinesPlay;
13444 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13446 DisplayTwoMachinesTitle();
13448 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13453 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13454 SendToProgram(first.computerString, &first);
13455 if (first.sendName) {
13456 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13457 SendToProgram(buf, &first);
13459 SendToProgram(second.computerString, &second);
13460 if (second.sendName) {
13461 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13462 SendToProgram(buf, &second);
13466 if (!first.sendTime || !second.sendTime) {
13467 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13468 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13470 if (onmove->sendTime) {
13471 if (onmove->useColors) {
13472 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13474 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13476 if (onmove->useColors) {
13477 SendToProgram(onmove->twoMachinesColor, onmove);
13479 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13480 // SendToProgram("go\n", onmove);
13481 onmove->maybeThinking = TRUE;
13482 SetMachineThinkingEnables();
13486 if(bookHit) { // [HGM] book: simulate book reply
13487 static char bookMove[MSG_SIZ]; // a bit generous?
13489 programStats.nodes = programStats.depth = programStats.time =
13490 programStats.score = programStats.got_only_move = 0;
13491 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13493 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13494 strcat(bookMove, bookHit);
13495 savedMessage = bookMove; // args for deferred call
13496 savedState = onmove;
13497 ScheduleDelayedEvent(DeferredBookMove, 1);
13504 if (gameMode == Training) {
13505 SetTrainingModeOff();
13506 gameMode = PlayFromGameFile;
13507 DisplayMessage("", _("Training mode off"));
13509 gameMode = Training;
13510 animateTraining = appData.animate;
13512 /* make sure we are not already at the end of the game */
13513 if (currentMove < forwardMostMove) {
13514 SetTrainingModeOn();
13515 DisplayMessage("", _("Training mode on"));
13517 gameMode = PlayFromGameFile;
13518 DisplayError(_("Already at end of game"), 0);
13527 if (!appData.icsActive) return;
13528 switch (gameMode) {
13529 case IcsPlayingWhite:
13530 case IcsPlayingBlack:
13533 case BeginningOfGame:
13541 EditPositionDone(TRUE);
13554 gameMode = IcsIdle;
13565 switch (gameMode) {
13567 SetTrainingModeOff();
13569 case MachinePlaysWhite:
13570 case MachinePlaysBlack:
13571 case BeginningOfGame:
13572 SendToProgram("force\n", &first);
13573 SetUserThinkingEnables();
13575 case PlayFromGameFile:
13576 (void) StopLoadGameTimer();
13577 if (gameFileFP != NULL) {
13582 EditPositionDone(TRUE);
13587 SendToProgram("force\n", &first);
13589 case TwoMachinesPlay:
13590 GameEnds(EndOfFile, NULL, GE_PLAYER);
13591 ResurrectChessProgram();
13592 SetUserThinkingEnables();
13595 ResurrectChessProgram();
13597 case IcsPlayingBlack:
13598 case IcsPlayingWhite:
13599 DisplayError(_("Warning: You are still playing a game"), 0);
13602 DisplayError(_("Warning: You are still observing a game"), 0);
13605 DisplayError(_("Warning: You are still examining a game"), 0);
13616 first.offeredDraw = second.offeredDraw = 0;
13618 if (gameMode == PlayFromGameFile) {
13619 whiteTimeRemaining = timeRemaining[0][currentMove];
13620 blackTimeRemaining = timeRemaining[1][currentMove];
13624 if (gameMode == MachinePlaysWhite ||
13625 gameMode == MachinePlaysBlack ||
13626 gameMode == TwoMachinesPlay ||
13627 gameMode == EndOfGame) {
13628 i = forwardMostMove;
13629 while (i > currentMove) {
13630 SendToProgram("undo\n", &first);
13633 if(!adjustedClock) {
13634 whiteTimeRemaining = timeRemaining[0][currentMove];
13635 blackTimeRemaining = timeRemaining[1][currentMove];
13636 DisplayBothClocks();
13638 if (whiteFlag || blackFlag) {
13639 whiteFlag = blackFlag = 0;
13644 gameMode = EditGame;
13651 EditPositionEvent()
13653 if (gameMode == EditPosition) {
13659 if (gameMode != EditGame) return;
13661 gameMode = EditPosition;
13664 if (currentMove > 0)
13665 CopyBoard(boards[0], boards[currentMove]);
13667 blackPlaysFirst = !WhiteOnMove(currentMove);
13669 currentMove = forwardMostMove = backwardMostMove = 0;
13670 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13677 /* [DM] icsEngineAnalyze - possible call from other functions */
13678 if (appData.icsEngineAnalyze) {
13679 appData.icsEngineAnalyze = FALSE;
13681 DisplayMessage("",_("Close ICS engine analyze..."));
13683 if (first.analysisSupport && first.analyzing) {
13684 SendToProgram("exit\n", &first);
13685 first.analyzing = FALSE;
13687 thinkOutput[0] = NULLCHAR;
13691 EditPositionDone(Boolean fakeRights)
13693 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13695 startedFromSetupPosition = TRUE;
13696 InitChessProgram(&first, FALSE);
13697 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13698 boards[0][EP_STATUS] = EP_NONE;
13699 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13700 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13701 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13702 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13703 } else boards[0][CASTLING][2] = NoRights;
13704 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13705 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13706 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13707 } else boards[0][CASTLING][5] = NoRights;
13709 SendToProgram("force\n", &first);
13710 if (blackPlaysFirst) {
13711 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13712 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13713 currentMove = forwardMostMove = backwardMostMove = 1;
13714 CopyBoard(boards[1], boards[0]);
13716 currentMove = forwardMostMove = backwardMostMove = 0;
13718 SendBoard(&first, forwardMostMove);
13719 if (appData.debugMode) {
13720 fprintf(debugFP, "EditPosDone\n");
13723 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13724 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13725 gameMode = EditGame;
13727 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13728 ClearHighlights(); /* [AS] */
13731 /* Pause for `ms' milliseconds */
13732 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13742 } while (SubtractTimeMarks(&m2, &m1) < ms);
13745 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13747 SendMultiLineToICS(buf)
13750 char temp[MSG_SIZ+1], *p;
13757 strncpy(temp, buf, len);
13762 if (*p == '\n' || *p == '\r')
13767 strcat(temp, "\n");
13769 SendToPlayer(temp, strlen(temp));
13773 SetWhiteToPlayEvent()
13775 if (gameMode == EditPosition) {
13776 blackPlaysFirst = FALSE;
13777 DisplayBothClocks(); /* works because currentMove is 0 */
13778 } else if (gameMode == IcsExamining) {
13779 SendToICS(ics_prefix);
13780 SendToICS("tomove white\n");
13785 SetBlackToPlayEvent()
13787 if (gameMode == EditPosition) {
13788 blackPlaysFirst = TRUE;
13789 currentMove = 1; /* kludge */
13790 DisplayBothClocks();
13792 } else if (gameMode == IcsExamining) {
13793 SendToICS(ics_prefix);
13794 SendToICS("tomove black\n");
13799 EditPositionMenuEvent(selection, x, y)
13800 ChessSquare selection;
13804 ChessSquare piece = boards[0][y][x];
13806 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13808 switch (selection) {
13810 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13811 SendToICS(ics_prefix);
13812 SendToICS("bsetup clear\n");
13813 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13814 SendToICS(ics_prefix);
13815 SendToICS("clearboard\n");
13817 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13818 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13819 for (y = 0; y < BOARD_HEIGHT; y++) {
13820 if (gameMode == IcsExamining) {
13821 if (boards[currentMove][y][x] != EmptySquare) {
13822 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13827 boards[0][y][x] = p;
13832 if (gameMode == EditPosition) {
13833 DrawPosition(FALSE, boards[0]);
13838 SetWhiteToPlayEvent();
13842 SetBlackToPlayEvent();
13846 if (gameMode == IcsExamining) {
13847 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13848 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13851 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13852 if(x == BOARD_LEFT-2) {
13853 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13854 boards[0][y][1] = 0;
13856 if(x == BOARD_RGHT+1) {
13857 if(y >= gameInfo.holdingsSize) break;
13858 boards[0][y][BOARD_WIDTH-2] = 0;
13861 boards[0][y][x] = EmptySquare;
13862 DrawPosition(FALSE, boards[0]);
13867 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13868 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13869 selection = (ChessSquare) (PROMOTED piece);
13870 } else if(piece == EmptySquare) selection = WhiteSilver;
13871 else selection = (ChessSquare)((int)piece - 1);
13875 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13876 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13877 selection = (ChessSquare) (DEMOTED piece);
13878 } else if(piece == EmptySquare) selection = BlackSilver;
13879 else selection = (ChessSquare)((int)piece + 1);
13884 if(gameInfo.variant == VariantShatranj ||
13885 gameInfo.variant == VariantXiangqi ||
13886 gameInfo.variant == VariantCourier ||
13887 gameInfo.variant == VariantMakruk )
13888 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13893 if(gameInfo.variant == VariantXiangqi)
13894 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13895 if(gameInfo.variant == VariantKnightmate)
13896 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13899 if (gameMode == IcsExamining) {
13900 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13901 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13902 PieceToChar(selection), AAA + x, ONE + y);
13905 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13907 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13908 n = PieceToNumber(selection - BlackPawn);
13909 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13910 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13911 boards[0][BOARD_HEIGHT-1-n][1]++;
13913 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13914 n = PieceToNumber(selection);
13915 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13916 boards[0][n][BOARD_WIDTH-1] = selection;
13917 boards[0][n][BOARD_WIDTH-2]++;
13920 boards[0][y][x] = selection;
13921 DrawPosition(TRUE, boards[0]);
13929 DropMenuEvent(selection, x, y)
13930 ChessSquare selection;
13933 ChessMove moveType;
13935 switch (gameMode) {
13936 case IcsPlayingWhite:
13937 case MachinePlaysBlack:
13938 if (!WhiteOnMove(currentMove)) {
13939 DisplayMoveError(_("It is Black's turn"));
13942 moveType = WhiteDrop;
13944 case IcsPlayingBlack:
13945 case MachinePlaysWhite:
13946 if (WhiteOnMove(currentMove)) {
13947 DisplayMoveError(_("It is White's turn"));
13950 moveType = BlackDrop;
13953 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13959 if (moveType == BlackDrop && selection < BlackPawn) {
13960 selection = (ChessSquare) ((int) selection
13961 + (int) BlackPawn - (int) WhitePawn);
13963 if (boards[currentMove][y][x] != EmptySquare) {
13964 DisplayMoveError(_("That square is occupied"));
13968 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13974 /* Accept a pending offer of any kind from opponent */
13976 if (appData.icsActive) {
13977 SendToICS(ics_prefix);
13978 SendToICS("accept\n");
13979 } else if (cmailMsgLoaded) {
13980 if (currentMove == cmailOldMove &&
13981 commentList[cmailOldMove] != NULL &&
13982 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13983 "Black offers a draw" : "White offers a draw")) {
13985 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13986 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13988 DisplayError(_("There is no pending offer on this move"), 0);
13989 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13992 /* Not used for offers from chess program */
13999 /* Decline a pending offer of any kind from opponent */
14001 if (appData.icsActive) {
14002 SendToICS(ics_prefix);
14003 SendToICS("decline\n");
14004 } else if (cmailMsgLoaded) {
14005 if (currentMove == cmailOldMove &&
14006 commentList[cmailOldMove] != NULL &&
14007 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14008 "Black offers a draw" : "White offers a draw")) {
14010 AppendComment(cmailOldMove, "Draw declined", TRUE);
14011 DisplayComment(cmailOldMove - 1, "Draw declined");
14014 DisplayError(_("There is no pending offer on this move"), 0);
14017 /* Not used for offers from chess program */
14024 /* Issue ICS rematch command */
14025 if (appData.icsActive) {
14026 SendToICS(ics_prefix);
14027 SendToICS("rematch\n");
14034 /* Call your opponent's flag (claim a win on time) */
14035 if (appData.icsActive) {
14036 SendToICS(ics_prefix);
14037 SendToICS("flag\n");
14039 switch (gameMode) {
14042 case MachinePlaysWhite:
14045 GameEnds(GameIsDrawn, "Both players ran out of time",
14048 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14050 DisplayError(_("Your opponent is not out of time"), 0);
14053 case MachinePlaysBlack:
14056 GameEnds(GameIsDrawn, "Both players ran out of time",
14059 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14061 DisplayError(_("Your opponent is not out of time"), 0);
14069 ClockClick(int which)
14070 { // [HGM] code moved to back-end from winboard.c
14071 if(which) { // black clock
14072 if (gameMode == EditPosition || gameMode == IcsExamining) {
14073 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14074 SetBlackToPlayEvent();
14075 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14076 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14077 } else if (shiftKey) {
14078 AdjustClock(which, -1);
14079 } else if (gameMode == IcsPlayingWhite ||
14080 gameMode == MachinePlaysBlack) {
14083 } else { // white clock
14084 if (gameMode == EditPosition || gameMode == IcsExamining) {
14085 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14086 SetWhiteToPlayEvent();
14087 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14088 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14089 } else if (shiftKey) {
14090 AdjustClock(which, -1);
14091 } else if (gameMode == IcsPlayingBlack ||
14092 gameMode == MachinePlaysWhite) {
14101 /* Offer draw or accept pending draw offer from opponent */
14103 if (appData.icsActive) {
14104 /* Note: tournament rules require draw offers to be
14105 made after you make your move but before you punch
14106 your clock. Currently ICS doesn't let you do that;
14107 instead, you immediately punch your clock after making
14108 a move, but you can offer a draw at any time. */
14110 SendToICS(ics_prefix);
14111 SendToICS("draw\n");
14112 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14113 } else if (cmailMsgLoaded) {
14114 if (currentMove == cmailOldMove &&
14115 commentList[cmailOldMove] != NULL &&
14116 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14117 "Black offers a draw" : "White offers a draw")) {
14118 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14119 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14120 } else if (currentMove == cmailOldMove + 1) {
14121 char *offer = WhiteOnMove(cmailOldMove) ?
14122 "White offers a draw" : "Black offers a draw";
14123 AppendComment(currentMove, offer, TRUE);
14124 DisplayComment(currentMove - 1, offer);
14125 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14127 DisplayError(_("You must make your move before offering a draw"), 0);
14128 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14130 } else if (first.offeredDraw) {
14131 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14133 if (first.sendDrawOffers) {
14134 SendToProgram("draw\n", &first);
14135 userOfferedDraw = TRUE;
14143 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14145 if (appData.icsActive) {
14146 SendToICS(ics_prefix);
14147 SendToICS("adjourn\n");
14149 /* Currently GNU Chess doesn't offer or accept Adjourns */
14157 /* Offer Abort or accept pending Abort offer from opponent */
14159 if (appData.icsActive) {
14160 SendToICS(ics_prefix);
14161 SendToICS("abort\n");
14163 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14170 /* Resign. You can do this even if it's not your turn. */
14172 if (appData.icsActive) {
14173 SendToICS(ics_prefix);
14174 SendToICS("resign\n");
14176 switch (gameMode) {
14177 case MachinePlaysWhite:
14178 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14180 case MachinePlaysBlack:
14181 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14184 if (cmailMsgLoaded) {
14186 if (WhiteOnMove(cmailOldMove)) {
14187 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14189 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14191 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14202 StopObservingEvent()
14204 /* Stop observing current games */
14205 SendToICS(ics_prefix);
14206 SendToICS("unobserve\n");
14210 StopExaminingEvent()
14212 /* Stop observing current game */
14213 SendToICS(ics_prefix);
14214 SendToICS("unexamine\n");
14218 ForwardInner(target)
14223 if (appData.debugMode)
14224 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14225 target, currentMove, forwardMostMove);
14227 if (gameMode == EditPosition)
14230 MarkTargetSquares(1);
14232 if (gameMode == PlayFromGameFile && !pausing)
14235 if (gameMode == IcsExamining && pausing)
14236 limit = pauseExamForwardMostMove;
14238 limit = forwardMostMove;
14240 if (target > limit) target = limit;
14242 if (target > 0 && moveList[target - 1][0]) {
14243 int fromX, fromY, toX, toY;
14244 toX = moveList[target - 1][2] - AAA;
14245 toY = moveList[target - 1][3] - ONE;
14246 if (moveList[target - 1][1] == '@') {
14247 if (appData.highlightLastMove) {
14248 SetHighlights(-1, -1, toX, toY);
14251 fromX = moveList[target - 1][0] - AAA;
14252 fromY = moveList[target - 1][1] - ONE;
14253 if (target == currentMove + 1) {
14254 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14256 if (appData.highlightLastMove) {
14257 SetHighlights(fromX, fromY, toX, toY);
14261 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14262 gameMode == Training || gameMode == PlayFromGameFile ||
14263 gameMode == AnalyzeFile) {
14264 while (currentMove < target) {
14265 SendMoveToProgram(currentMove++, &first);
14268 currentMove = target;
14271 if (gameMode == EditGame || gameMode == EndOfGame) {
14272 whiteTimeRemaining = timeRemaining[0][currentMove];
14273 blackTimeRemaining = timeRemaining[1][currentMove];
14275 DisplayBothClocks();
14276 DisplayMove(currentMove - 1);
14277 DrawPosition(FALSE, boards[currentMove]);
14278 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14279 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14280 DisplayComment(currentMove - 1, commentList[currentMove]);
14288 if (gameMode == IcsExamining && !pausing) {
14289 SendToICS(ics_prefix);
14290 SendToICS("forward\n");
14292 ForwardInner(currentMove + 1);
14299 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14300 /* to optimze, we temporarily turn off analysis mode while we feed
14301 * the remaining moves to the engine. Otherwise we get analysis output
14304 if (first.analysisSupport) {
14305 SendToProgram("exit\nforce\n", &first);
14306 first.analyzing = FALSE;
14310 if (gameMode == IcsExamining && !pausing) {
14311 SendToICS(ics_prefix);
14312 SendToICS("forward 999999\n");
14314 ForwardInner(forwardMostMove);
14317 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14318 /* we have fed all the moves, so reactivate analysis mode */
14319 SendToProgram("analyze\n", &first);
14320 first.analyzing = TRUE;
14321 /*first.maybeThinking = TRUE;*/
14322 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14327 BackwardInner(target)
14330 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14332 if (appData.debugMode)
14333 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14334 target, currentMove, forwardMostMove);
14336 if (gameMode == EditPosition) return;
14337 MarkTargetSquares(1);
14338 if (currentMove <= backwardMostMove) {
14340 DrawPosition(full_redraw, boards[currentMove]);
14343 if (gameMode == PlayFromGameFile && !pausing)
14346 if (moveList[target][0]) {
14347 int fromX, fromY, toX, toY;
14348 toX = moveList[target][2] - AAA;
14349 toY = moveList[target][3] - ONE;
14350 if (moveList[target][1] == '@') {
14351 if (appData.highlightLastMove) {
14352 SetHighlights(-1, -1, toX, toY);
14355 fromX = moveList[target][0] - AAA;
14356 fromY = moveList[target][1] - ONE;
14357 if (target == currentMove - 1) {
14358 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14360 if (appData.highlightLastMove) {
14361 SetHighlights(fromX, fromY, toX, toY);
14365 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14366 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14367 while (currentMove > target) {
14368 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14369 // null move cannot be undone. Reload program with move history before it.
14371 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14372 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14374 SendBoard(&first, i);
14375 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14378 SendToProgram("undo\n", &first);
14382 currentMove = target;
14385 if (gameMode == EditGame || gameMode == EndOfGame) {
14386 whiteTimeRemaining = timeRemaining[0][currentMove];
14387 blackTimeRemaining = timeRemaining[1][currentMove];
14389 DisplayBothClocks();
14390 DisplayMove(currentMove - 1);
14391 DrawPosition(full_redraw, boards[currentMove]);
14392 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14393 // [HGM] PV info: routine tests if comment empty
14394 DisplayComment(currentMove - 1, commentList[currentMove]);
14400 if (gameMode == IcsExamining && !pausing) {
14401 SendToICS(ics_prefix);
14402 SendToICS("backward\n");
14404 BackwardInner(currentMove - 1);
14411 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14412 /* to optimize, we temporarily turn off analysis mode while we undo
14413 * all the moves. Otherwise we get analysis output after each undo.
14415 if (first.analysisSupport) {
14416 SendToProgram("exit\nforce\n", &first);
14417 first.analyzing = FALSE;
14421 if (gameMode == IcsExamining && !pausing) {
14422 SendToICS(ics_prefix);
14423 SendToICS("backward 999999\n");
14425 BackwardInner(backwardMostMove);
14428 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14429 /* we have fed all the moves, so reactivate analysis mode */
14430 SendToProgram("analyze\n", &first);
14431 first.analyzing = TRUE;
14432 /*first.maybeThinking = TRUE;*/
14433 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14440 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14441 if (to >= forwardMostMove) to = forwardMostMove;
14442 if (to <= backwardMostMove) to = backwardMostMove;
14443 if (to < currentMove) {
14451 RevertEvent(Boolean annotate)
14453 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14456 if (gameMode != IcsExamining) {
14457 DisplayError(_("You are not examining a game"), 0);
14461 DisplayError(_("You can't revert while pausing"), 0);
14464 SendToICS(ics_prefix);
14465 SendToICS("revert\n");
14471 switch (gameMode) {
14472 case MachinePlaysWhite:
14473 case MachinePlaysBlack:
14474 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14475 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14478 if (forwardMostMove < 2) return;
14479 currentMove = forwardMostMove = forwardMostMove - 2;
14480 whiteTimeRemaining = timeRemaining[0][currentMove];
14481 blackTimeRemaining = timeRemaining[1][currentMove];
14482 DisplayBothClocks();
14483 DisplayMove(currentMove - 1);
14484 ClearHighlights();/*!! could figure this out*/
14485 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14486 SendToProgram("remove\n", &first);
14487 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14490 case BeginningOfGame:
14494 case IcsPlayingWhite:
14495 case IcsPlayingBlack:
14496 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14497 SendToICS(ics_prefix);
14498 SendToICS("takeback 2\n");
14500 SendToICS(ics_prefix);
14501 SendToICS("takeback 1\n");
14510 ChessProgramState *cps;
14512 switch (gameMode) {
14513 case MachinePlaysWhite:
14514 if (!WhiteOnMove(forwardMostMove)) {
14515 DisplayError(_("It is your turn"), 0);
14520 case MachinePlaysBlack:
14521 if (WhiteOnMove(forwardMostMove)) {
14522 DisplayError(_("It is your turn"), 0);
14527 case TwoMachinesPlay:
14528 if (WhiteOnMove(forwardMostMove) ==
14529 (first.twoMachinesColor[0] == 'w')) {
14535 case BeginningOfGame:
14539 SendToProgram("?\n", cps);
14543 TruncateGameEvent()
14546 if (gameMode != EditGame) return;
14553 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14554 if (forwardMostMove > currentMove) {
14555 if (gameInfo.resultDetails != NULL) {
14556 free(gameInfo.resultDetails);
14557 gameInfo.resultDetails = NULL;
14558 gameInfo.result = GameUnfinished;
14560 forwardMostMove = currentMove;
14561 HistorySet(parseList, backwardMostMove, forwardMostMove,
14569 if (appData.noChessProgram) return;
14570 switch (gameMode) {
14571 case MachinePlaysWhite:
14572 if (WhiteOnMove(forwardMostMove)) {
14573 DisplayError(_("Wait until your turn"), 0);
14577 case BeginningOfGame:
14578 case MachinePlaysBlack:
14579 if (!WhiteOnMove(forwardMostMove)) {
14580 DisplayError(_("Wait until your turn"), 0);
14585 DisplayError(_("No hint available"), 0);
14588 SendToProgram("hint\n", &first);
14589 hintRequested = TRUE;
14595 if (appData.noChessProgram) return;
14596 switch (gameMode) {
14597 case MachinePlaysWhite:
14598 if (WhiteOnMove(forwardMostMove)) {
14599 DisplayError(_("Wait until your turn"), 0);
14603 case BeginningOfGame:
14604 case MachinePlaysBlack:
14605 if (!WhiteOnMove(forwardMostMove)) {
14606 DisplayError(_("Wait until your turn"), 0);
14611 EditPositionDone(TRUE);
14613 case TwoMachinesPlay:
14618 SendToProgram("bk\n", &first);
14619 bookOutput[0] = NULLCHAR;
14620 bookRequested = TRUE;
14626 char *tags = PGNTags(&gameInfo);
14627 TagsPopUp(tags, CmailMsg());
14631 /* end button procedures */
14634 PrintPosition(fp, move)
14640 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14641 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14642 char c = PieceToChar(boards[move][i][j]);
14643 fputc(c == 'x' ? '.' : c, fp);
14644 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14647 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14648 fprintf(fp, "white to play\n");
14650 fprintf(fp, "black to play\n");
14657 if (gameInfo.white != NULL) {
14658 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14664 /* Find last component of program's own name, using some heuristics */
14666 TidyProgramName(prog, host, buf)
14667 char *prog, *host, buf[MSG_SIZ];
14670 int local = (strcmp(host, "localhost") == 0);
14671 while (!local && (p = strchr(prog, ';')) != NULL) {
14673 while (*p == ' ') p++;
14676 if (*prog == '"' || *prog == '\'') {
14677 q = strchr(prog + 1, *prog);
14679 q = strchr(prog, ' ');
14681 if (q == NULL) q = prog + strlen(prog);
14683 while (p >= prog && *p != '/' && *p != '\\') p--;
14685 if(p == prog && *p == '"') p++;
14686 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14687 memcpy(buf, p, q - p);
14688 buf[q - p] = NULLCHAR;
14696 TimeControlTagValue()
14699 if (!appData.clockMode) {
14700 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14701 } else if (movesPerSession > 0) {
14702 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14703 } else if (timeIncrement == 0) {
14704 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14706 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14708 return StrSave(buf);
14714 /* This routine is used only for certain modes */
14715 VariantClass v = gameInfo.variant;
14716 ChessMove r = GameUnfinished;
14719 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14720 r = gameInfo.result;
14721 p = gameInfo.resultDetails;
14722 gameInfo.resultDetails = NULL;
14724 ClearGameInfo(&gameInfo);
14725 gameInfo.variant = v;
14727 switch (gameMode) {
14728 case MachinePlaysWhite:
14729 gameInfo.event = StrSave( appData.pgnEventHeader );
14730 gameInfo.site = StrSave(HostName());
14731 gameInfo.date = PGNDate();
14732 gameInfo.round = StrSave("-");
14733 gameInfo.white = StrSave(first.tidy);
14734 gameInfo.black = StrSave(UserName());
14735 gameInfo.timeControl = TimeControlTagValue();
14738 case MachinePlaysBlack:
14739 gameInfo.event = StrSave( appData.pgnEventHeader );
14740 gameInfo.site = StrSave(HostName());
14741 gameInfo.date = PGNDate();
14742 gameInfo.round = StrSave("-");
14743 gameInfo.white = StrSave(UserName());
14744 gameInfo.black = StrSave(first.tidy);
14745 gameInfo.timeControl = TimeControlTagValue();
14748 case TwoMachinesPlay:
14749 gameInfo.event = StrSave( appData.pgnEventHeader );
14750 gameInfo.site = StrSave(HostName());
14751 gameInfo.date = PGNDate();
14754 snprintf(buf, MSG_SIZ, "%d", roundNr);
14755 gameInfo.round = StrSave(buf);
14757 gameInfo.round = StrSave("-");
14759 if (first.twoMachinesColor[0] == 'w') {
14760 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14761 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14763 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14764 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14766 gameInfo.timeControl = TimeControlTagValue();
14770 gameInfo.event = StrSave("Edited game");
14771 gameInfo.site = StrSave(HostName());
14772 gameInfo.date = PGNDate();
14773 gameInfo.round = StrSave("-");
14774 gameInfo.white = StrSave("-");
14775 gameInfo.black = StrSave("-");
14776 gameInfo.result = r;
14777 gameInfo.resultDetails = p;
14781 gameInfo.event = StrSave("Edited position");
14782 gameInfo.site = StrSave(HostName());
14783 gameInfo.date = PGNDate();
14784 gameInfo.round = StrSave("-");
14785 gameInfo.white = StrSave("-");
14786 gameInfo.black = StrSave("-");
14789 case IcsPlayingWhite:
14790 case IcsPlayingBlack:
14795 case PlayFromGameFile:
14796 gameInfo.event = StrSave("Game from non-PGN file");
14797 gameInfo.site = StrSave(HostName());
14798 gameInfo.date = PGNDate();
14799 gameInfo.round = StrSave("-");
14800 gameInfo.white = StrSave("?");
14801 gameInfo.black = StrSave("?");
14810 ReplaceComment(index, text)
14818 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14819 pvInfoList[index-1].depth == len &&
14820 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14821 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14822 while (*text == '\n') text++;
14823 len = strlen(text);
14824 while (len > 0 && text[len - 1] == '\n') len--;
14826 if (commentList[index] != NULL)
14827 free(commentList[index]);
14830 commentList[index] = NULL;
14833 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14834 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14835 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14836 commentList[index] = (char *) malloc(len + 2);
14837 strncpy(commentList[index], text, len);
14838 commentList[index][len] = '\n';
14839 commentList[index][len + 1] = NULLCHAR;
14841 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14843 commentList[index] = (char *) malloc(len + 7);
14844 safeStrCpy(commentList[index], "{\n", 3);
14845 safeStrCpy(commentList[index]+2, text, len+1);
14846 commentList[index][len+2] = NULLCHAR;
14847 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14848 strcat(commentList[index], "\n}\n");
14862 if (ch == '\r') continue;
14864 } while (ch != '\0');
14868 AppendComment(index, text, addBraces)
14871 Boolean addBraces; // [HGM] braces: tells if we should add {}
14876 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14877 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14880 while (*text == '\n') text++;
14881 len = strlen(text);
14882 while (len > 0 && text[len - 1] == '\n') len--;
14884 if (len == 0) return;
14886 if (commentList[index] != NULL) {
14887 Boolean addClosingBrace = addBraces;
14888 old = commentList[index];
14889 oldlen = strlen(old);
14890 while(commentList[index][oldlen-1] == '\n')
14891 commentList[index][--oldlen] = NULLCHAR;
14892 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14893 safeStrCpy(commentList[index], old, oldlen + len + 6);
14895 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14896 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14897 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14898 while (*text == '\n') { text++; len--; }
14899 commentList[index][--oldlen] = NULLCHAR;
14901 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14902 else strcat(commentList[index], "\n");
14903 strcat(commentList[index], text);
14904 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14905 else strcat(commentList[index], "\n");
14907 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14909 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14910 else commentList[index][0] = NULLCHAR;
14911 strcat(commentList[index], text);
14912 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14913 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14917 static char * FindStr( char * text, char * sub_text )
14919 char * result = strstr( text, sub_text );
14921 if( result != NULL ) {
14922 result += strlen( sub_text );
14928 /* [AS] Try to extract PV info from PGN comment */
14929 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14930 char *GetInfoFromComment( int index, char * text )
14932 char * sep = text, *p;
14934 if( text != NULL && index > 0 ) {
14937 int time = -1, sec = 0, deci;
14938 char * s_eval = FindStr( text, "[%eval " );
14939 char * s_emt = FindStr( text, "[%emt " );
14941 if( s_eval != NULL || s_emt != NULL ) {
14945 if( s_eval != NULL ) {
14946 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14950 if( delim != ']' ) {
14955 if( s_emt != NULL ) {
14960 /* We expect something like: [+|-]nnn.nn/dd */
14963 if(*text != '{') return text; // [HGM] braces: must be normal comment
14965 sep = strchr( text, '/' );
14966 if( sep == NULL || sep < (text+4) ) {
14971 if(p[1] == '(') { // comment starts with PV
14972 p = strchr(p, ')'); // locate end of PV
14973 if(p == NULL || sep < p+5) return text;
14974 // at this point we have something like "{(.*) +0.23/6 ..."
14975 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14976 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14977 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14979 time = -1; sec = -1; deci = -1;
14980 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14981 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14982 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14983 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14987 if( score_lo < 0 || score_lo >= 100 ) {
14991 if(sec >= 0) time = 600*time + 10*sec; else
14992 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14994 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14996 /* [HGM] PV time: now locate end of PV info */
14997 while( *++sep >= '0' && *sep <= '9'); // strip depth
14999 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15001 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15003 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15004 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15015 pvInfoList[index-1].depth = depth;
15016 pvInfoList[index-1].score = score;
15017 pvInfoList[index-1].time = 10*time; // centi-sec
15018 if(*sep == '}') *sep = 0; else *--sep = '{';
15019 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15025 SendToProgram(message, cps)
15027 ChessProgramState *cps;
15029 int count, outCount, error;
15032 if (cps->pr == NoProc) return;
15035 if (appData.debugMode) {
15038 fprintf(debugFP, "%ld >%-6s: %s",
15039 SubtractTimeMarks(&now, &programStartTime),
15040 cps->which, message);
15043 count = strlen(message);
15044 outCount = OutputToProcess(cps->pr, message, count, &error);
15045 if (outCount < count && !exiting
15046 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15047 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15048 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15049 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15050 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15051 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15052 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15053 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15055 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15056 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15057 gameInfo.result = res;
15059 gameInfo.resultDetails = StrSave(buf);
15061 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15062 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15067 ReceiveFromProgram(isr, closure, message, count, error)
15068 InputSourceRef isr;
15076 ChessProgramState *cps = (ChessProgramState *)closure;
15078 if (isr != cps->isr) return; /* Killed intentionally */
15081 RemoveInputSource(cps->isr);
15082 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15083 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15084 _(cps->which), cps->program);
15085 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15086 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15087 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15088 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15089 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15091 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15092 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15093 gameInfo.result = res;
15095 gameInfo.resultDetails = StrSave(buf);
15097 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15098 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15100 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15101 _(cps->which), cps->program);
15102 RemoveInputSource(cps->isr);
15104 /* [AS] Program is misbehaving badly... kill it */
15105 if( count == -2 ) {
15106 DestroyChildProcess( cps->pr, 9 );
15110 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15115 if ((end_str = strchr(message, '\r')) != NULL)
15116 *end_str = NULLCHAR;
15117 if ((end_str = strchr(message, '\n')) != NULL)
15118 *end_str = NULLCHAR;
15120 if (appData.debugMode) {
15121 TimeMark now; int print = 1;
15122 char *quote = ""; char c; int i;
15124 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15125 char start = message[0];
15126 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15127 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15128 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15129 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15130 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15131 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15132 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15133 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15134 sscanf(message, "hint: %c", &c)!=1 &&
15135 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15136 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15137 print = (appData.engineComments >= 2);
15139 message[0] = start; // restore original message
15143 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15144 SubtractTimeMarks(&now, &programStartTime), cps->which,
15150 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15151 if (appData.icsEngineAnalyze) {
15152 if (strstr(message, "whisper") != NULL ||
15153 strstr(message, "kibitz") != NULL ||
15154 strstr(message, "tellics") != NULL) return;
15157 HandleMachineMove(message, cps);
15162 SendTimeControl(cps, mps, tc, inc, sd, st)
15163 ChessProgramState *cps;
15164 int mps, inc, sd, st;
15170 if( timeControl_2 > 0 ) {
15171 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15172 tc = timeControl_2;
15175 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15176 inc /= cps->timeOdds;
15177 st /= cps->timeOdds;
15179 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15182 /* Set exact time per move, normally using st command */
15183 if (cps->stKludge) {
15184 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15186 if (seconds == 0) {
15187 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15189 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15192 snprintf(buf, MSG_SIZ, "st %d\n", st);
15195 /* Set conventional or incremental time control, using level command */
15196 if (seconds == 0) {
15197 /* Note old gnuchess bug -- minutes:seconds used to not work.
15198 Fixed in later versions, but still avoid :seconds
15199 when seconds is 0. */
15200 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15202 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15203 seconds, inc/1000.);
15206 SendToProgram(buf, cps);
15208 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15209 /* Orthogonally, limit search to given depth */
15211 if (cps->sdKludge) {
15212 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15214 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15216 SendToProgram(buf, cps);
15219 if(cps->nps >= 0) { /* [HGM] nps */
15220 if(cps->supportsNPS == FALSE)
15221 cps->nps = -1; // don't use if engine explicitly says not supported!
15223 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15224 SendToProgram(buf, cps);
15229 ChessProgramState *WhitePlayer()
15230 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15232 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15233 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15239 SendTimeRemaining(cps, machineWhite)
15240 ChessProgramState *cps;
15241 int /*boolean*/ machineWhite;
15243 char message[MSG_SIZ];
15246 /* Note: this routine must be called when the clocks are stopped
15247 or when they have *just* been set or switched; otherwise
15248 it will be off by the time since the current tick started.
15250 if (machineWhite) {
15251 time = whiteTimeRemaining / 10;
15252 otime = blackTimeRemaining / 10;
15254 time = blackTimeRemaining / 10;
15255 otime = whiteTimeRemaining / 10;
15257 /* [HGM] translate opponent's time by time-odds factor */
15258 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15259 if (appData.debugMode) {
15260 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
15263 if (time <= 0) time = 1;
15264 if (otime <= 0) otime = 1;
15266 snprintf(message, MSG_SIZ, "time %ld\n", time);
15267 SendToProgram(message, cps);
15269 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15270 SendToProgram(message, cps);
15274 BoolFeature(p, name, loc, cps)
15278 ChessProgramState *cps;
15281 int len = strlen(name);
15284 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15286 sscanf(*p, "%d", &val);
15288 while (**p && **p != ' ')
15290 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15291 SendToProgram(buf, cps);
15298 IntFeature(p, name, loc, cps)
15302 ChessProgramState *cps;
15305 int len = strlen(name);
15306 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15308 sscanf(*p, "%d", loc);
15309 while (**p && **p != ' ') (*p)++;
15310 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15311 SendToProgram(buf, cps);
15318 StringFeature(p, name, loc, cps)
15322 ChessProgramState *cps;
15325 int len = strlen(name);
15326 if (strncmp((*p), name, len) == 0
15327 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15329 sscanf(*p, "%[^\"]", loc);
15330 while (**p && **p != '\"') (*p)++;
15331 if (**p == '\"') (*p)++;
15332 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15333 SendToProgram(buf, cps);
15340 ParseOption(Option *opt, ChessProgramState *cps)
15341 // [HGM] options: process the string that defines an engine option, and determine
15342 // name, type, default value, and allowed value range
15344 char *p, *q, buf[MSG_SIZ];
15345 int n, min = (-1)<<31, max = 1<<31, def;
15347 if(p = strstr(opt->name, " -spin ")) {
15348 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15349 if(max < min) max = min; // enforce consistency
15350 if(def < min) def = min;
15351 if(def > max) def = max;
15356 } else if((p = strstr(opt->name, " -slider "))) {
15357 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15358 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15359 if(max < min) max = min; // enforce consistency
15360 if(def < min) def = min;
15361 if(def > max) def = max;
15365 opt->type = Spin; // Slider;
15366 } else if((p = strstr(opt->name, " -string "))) {
15367 opt->textValue = p+9;
15368 opt->type = TextBox;
15369 } else if((p = strstr(opt->name, " -file "))) {
15370 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15371 opt->textValue = p+7;
15372 opt->type = FileName; // FileName;
15373 } else if((p = strstr(opt->name, " -path "))) {
15374 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15375 opt->textValue = p+7;
15376 opt->type = PathName; // PathName;
15377 } else if(p = strstr(opt->name, " -check ")) {
15378 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15379 opt->value = (def != 0);
15380 opt->type = CheckBox;
15381 } else if(p = strstr(opt->name, " -combo ")) {
15382 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15383 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15384 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15385 opt->value = n = 0;
15386 while(q = StrStr(q, " /// ")) {
15387 n++; *q = 0; // count choices, and null-terminate each of them
15389 if(*q == '*') { // remember default, which is marked with * prefix
15393 cps->comboList[cps->comboCnt++] = q;
15395 cps->comboList[cps->comboCnt++] = NULL;
15397 opt->type = ComboBox;
15398 } else if(p = strstr(opt->name, " -button")) {
15399 opt->type = Button;
15400 } else if(p = strstr(opt->name, " -save")) {
15401 opt->type = SaveButton;
15402 } else return FALSE;
15403 *p = 0; // terminate option name
15404 // now look if the command-line options define a setting for this engine option.
15405 if(cps->optionSettings && cps->optionSettings[0])
15406 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15407 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15408 snprintf(buf, MSG_SIZ, "option %s", p);
15409 if(p = strstr(buf, ",")) *p = 0;
15410 if(q = strchr(buf, '=')) switch(opt->type) {
15412 for(n=0; n<opt->max; n++)
15413 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15416 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15420 opt->value = atoi(q+1);
15425 SendToProgram(buf, cps);
15431 FeatureDone(cps, val)
15432 ChessProgramState* cps;
15435 DelayedEventCallback cb = GetDelayedEvent();
15436 if ((cb == InitBackEnd3 && cps == &first) ||
15437 (cb == SettingsMenuIfReady && cps == &second) ||
15438 (cb == LoadEngine) ||
15439 (cb == TwoMachinesEventIfReady)) {
15440 CancelDelayedEvent();
15441 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15443 cps->initDone = val;
15446 /* Parse feature command from engine */
15448 ParseFeatures(args, cps)
15450 ChessProgramState *cps;
15458 while (*p == ' ') p++;
15459 if (*p == NULLCHAR) return;
15461 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15462 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15463 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15464 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15465 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15466 if (BoolFeature(&p, "reuse", &val, cps)) {
15467 /* Engine can disable reuse, but can't enable it if user said no */
15468 if (!val) cps->reuse = FALSE;
15471 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15472 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
15473 if (gameMode == TwoMachinesPlay) {
15474 DisplayTwoMachinesTitle();
15480 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
15481 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15482 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15483 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15484 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15485 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15486 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15487 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15488 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15489 if (IntFeature(&p, "done", &val, cps)) {
15490 FeatureDone(cps, val);
15493 /* Added by Tord: */
15494 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15495 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15496 /* End of additions by Tord */
15498 /* [HGM] added features: */
15499 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15500 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15501 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15502 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15503 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15504 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
15505 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
15506 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15507 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15508 SendToProgram(buf, cps);
15511 if(cps->nrOptions >= MAX_OPTIONS) {
15513 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15514 DisplayError(buf, 0);
15518 /* End of additions by HGM */
15520 /* unknown feature: complain and skip */
15522 while (*q && *q != '=') q++;
15523 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15524 SendToProgram(buf, cps);
15530 while (*p && *p != '\"') p++;
15531 if (*p == '\"') p++;
15533 while (*p && *p != ' ') p++;
15541 PeriodicUpdatesEvent(newState)
15544 if (newState == appData.periodicUpdates)
15547 appData.periodicUpdates=newState;
15549 /* Display type changes, so update it now */
15550 // DisplayAnalysis();
15552 /* Get the ball rolling again... */
15554 AnalysisPeriodicEvent(1);
15555 StartAnalysisClock();
15560 PonderNextMoveEvent(newState)
15563 if (newState == appData.ponderNextMove) return;
15564 if (gameMode == EditPosition) EditPositionDone(TRUE);
15566 SendToProgram("hard\n", &first);
15567 if (gameMode == TwoMachinesPlay) {
15568 SendToProgram("hard\n", &second);
15571 SendToProgram("easy\n", &first);
15572 thinkOutput[0] = NULLCHAR;
15573 if (gameMode == TwoMachinesPlay) {
15574 SendToProgram("easy\n", &second);
15577 appData.ponderNextMove = newState;
15581 NewSettingEvent(option, feature, command, value)
15583 int option, value, *feature;
15587 if (gameMode == EditPosition) EditPositionDone(TRUE);
15588 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15589 if(feature == NULL || *feature) SendToProgram(buf, &first);
15590 if (gameMode == TwoMachinesPlay) {
15591 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15596 ShowThinkingEvent()
15597 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15599 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15600 int newState = appData.showThinking
15601 // [HGM] thinking: other features now need thinking output as well
15602 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15604 if (oldState == newState) return;
15605 oldState = newState;
15606 if (gameMode == EditPosition) EditPositionDone(TRUE);
15608 SendToProgram("post\n", &first);
15609 if (gameMode == TwoMachinesPlay) {
15610 SendToProgram("post\n", &second);
15613 SendToProgram("nopost\n", &first);
15614 thinkOutput[0] = NULLCHAR;
15615 if (gameMode == TwoMachinesPlay) {
15616 SendToProgram("nopost\n", &second);
15619 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15623 AskQuestionEvent(title, question, replyPrefix, which)
15624 char *title; char *question; char *replyPrefix; char *which;
15626 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15627 if (pr == NoProc) return;
15628 AskQuestion(title, question, replyPrefix, pr);
15632 TypeInEvent(char firstChar)
15634 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15635 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15636 gameMode == AnalyzeMode || gameMode == EditGame ||
15637 gameMode == EditPosition || gameMode == IcsExamining ||
15638 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15639 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15640 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15641 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15642 gameMode == Training) PopUpMoveDialog(firstChar);
15646 TypeInDoneEvent(char *move)
15649 int n, fromX, fromY, toX, toY;
15651 ChessMove moveType;
15654 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15655 EditPositionPasteFEN(move);
15658 // [HGM] movenum: allow move number to be typed in any mode
15659 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15664 if (gameMode != EditGame && currentMove != forwardMostMove &&
15665 gameMode != Training) {
15666 DisplayMoveError(_("Displayed move is not current"));
15668 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15669 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15670 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15671 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15672 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15673 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15675 DisplayMoveError(_("Could not parse move"));
15681 DisplayMove(moveNumber)
15684 char message[MSG_SIZ];
15686 char cpThinkOutput[MSG_SIZ];
15688 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15690 if (moveNumber == forwardMostMove - 1 ||
15691 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15693 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15695 if (strchr(cpThinkOutput, '\n')) {
15696 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15699 *cpThinkOutput = NULLCHAR;
15702 /* [AS] Hide thinking from human user */
15703 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15704 *cpThinkOutput = NULLCHAR;
15705 if( thinkOutput[0] != NULLCHAR ) {
15708 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15709 cpThinkOutput[i] = '.';
15711 cpThinkOutput[i] = NULLCHAR;
15712 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15716 if (moveNumber == forwardMostMove - 1 &&
15717 gameInfo.resultDetails != NULL) {
15718 if (gameInfo.resultDetails[0] == NULLCHAR) {
15719 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15721 snprintf(res, MSG_SIZ, " {%s} %s",
15722 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15728 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15729 DisplayMessage(res, cpThinkOutput);
15731 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15732 WhiteOnMove(moveNumber) ? " " : ".. ",
15733 parseList[moveNumber], res);
15734 DisplayMessage(message, cpThinkOutput);
15739 DisplayComment(moveNumber, text)
15743 char title[MSG_SIZ];
15745 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15746 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15748 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15749 WhiteOnMove(moveNumber) ? " " : ".. ",
15750 parseList[moveNumber]);
15752 if (text != NULL && (appData.autoDisplayComment || commentUp))
15753 CommentPopUp(title, text);
15756 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15757 * might be busy thinking or pondering. It can be omitted if your
15758 * gnuchess is configured to stop thinking immediately on any user
15759 * input. However, that gnuchess feature depends on the FIONREAD
15760 * ioctl, which does not work properly on some flavors of Unix.
15764 ChessProgramState *cps;
15767 if (!cps->useSigint) return;
15768 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15769 switch (gameMode) {
15770 case MachinePlaysWhite:
15771 case MachinePlaysBlack:
15772 case TwoMachinesPlay:
15773 case IcsPlayingWhite:
15774 case IcsPlayingBlack:
15777 /* Skip if we know it isn't thinking */
15778 if (!cps->maybeThinking) return;
15779 if (appData.debugMode)
15780 fprintf(debugFP, "Interrupting %s\n", cps->which);
15781 InterruptChildProcess(cps->pr);
15782 cps->maybeThinking = FALSE;
15787 #endif /*ATTENTION*/
15793 if (whiteTimeRemaining <= 0) {
15796 if (appData.icsActive) {
15797 if (appData.autoCallFlag &&
15798 gameMode == IcsPlayingBlack && !blackFlag) {
15799 SendToICS(ics_prefix);
15800 SendToICS("flag\n");
15804 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15806 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15807 if (appData.autoCallFlag) {
15808 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15815 if (blackTimeRemaining <= 0) {
15818 if (appData.icsActive) {
15819 if (appData.autoCallFlag &&
15820 gameMode == IcsPlayingWhite && !whiteFlag) {
15821 SendToICS(ics_prefix);
15822 SendToICS("flag\n");
15826 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15828 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15829 if (appData.autoCallFlag) {
15830 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15843 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15844 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15847 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15849 if ( !WhiteOnMove(forwardMostMove) ) {
15850 /* White made time control */
15851 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15852 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15853 /* [HGM] time odds: correct new time quota for time odds! */
15854 / WhitePlayer()->timeOdds;
15855 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15857 lastBlack -= blackTimeRemaining;
15858 /* Black made time control */
15859 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15860 / WhitePlayer()->other->timeOdds;
15861 lastWhite = whiteTimeRemaining;
15866 DisplayBothClocks()
15868 int wom = gameMode == EditPosition ?
15869 !blackPlaysFirst : WhiteOnMove(currentMove);
15870 DisplayWhiteClock(whiteTimeRemaining, wom);
15871 DisplayBlackClock(blackTimeRemaining, !wom);
15875 /* Timekeeping seems to be a portability nightmare. I think everyone
15876 has ftime(), but I'm really not sure, so I'm including some ifdefs
15877 to use other calls if you don't. Clocks will be less accurate if
15878 you have neither ftime nor gettimeofday.
15881 /* VS 2008 requires the #include outside of the function */
15882 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15883 #include <sys/timeb.h>
15886 /* Get the current time as a TimeMark */
15891 #if HAVE_GETTIMEOFDAY
15893 struct timeval timeVal;
15894 struct timezone timeZone;
15896 gettimeofday(&timeVal, &timeZone);
15897 tm->sec = (long) timeVal.tv_sec;
15898 tm->ms = (int) (timeVal.tv_usec / 1000L);
15900 #else /*!HAVE_GETTIMEOFDAY*/
15903 // include <sys/timeb.h> / moved to just above start of function
15904 struct timeb timeB;
15907 tm->sec = (long) timeB.time;
15908 tm->ms = (int) timeB.millitm;
15910 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15911 tm->sec = (long) time(NULL);
15917 /* Return the difference in milliseconds between two
15918 time marks. We assume the difference will fit in a long!
15921 SubtractTimeMarks(tm2, tm1)
15922 TimeMark *tm2, *tm1;
15924 return 1000L*(tm2->sec - tm1->sec) +
15925 (long) (tm2->ms - tm1->ms);
15930 * Code to manage the game clocks.
15932 * In tournament play, black starts the clock and then white makes a move.
15933 * We give the human user a slight advantage if he is playing white---the
15934 * clocks don't run until he makes his first move, so it takes zero time.
15935 * Also, we don't account for network lag, so we could get out of sync
15936 * with GNU Chess's clock -- but then, referees are always right.
15939 static TimeMark tickStartTM;
15940 static long intendedTickLength;
15943 NextTickLength(timeRemaining)
15944 long timeRemaining;
15946 long nominalTickLength, nextTickLength;
15948 if (timeRemaining > 0L && timeRemaining <= 10000L)
15949 nominalTickLength = 100L;
15951 nominalTickLength = 1000L;
15952 nextTickLength = timeRemaining % nominalTickLength;
15953 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15955 return nextTickLength;
15958 /* Adjust clock one minute up or down */
15960 AdjustClock(Boolean which, int dir)
15962 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15963 if(which) blackTimeRemaining += 60000*dir;
15964 else whiteTimeRemaining += 60000*dir;
15965 DisplayBothClocks();
15966 adjustedClock = TRUE;
15969 /* Stop clocks and reset to a fresh time control */
15973 (void) StopClockTimer();
15974 if (appData.icsActive) {
15975 whiteTimeRemaining = blackTimeRemaining = 0;
15976 } else if (searchTime) {
15977 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15978 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15979 } else { /* [HGM] correct new time quote for time odds */
15980 whiteTC = blackTC = fullTimeControlString;
15981 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15982 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15984 if (whiteFlag || blackFlag) {
15986 whiteFlag = blackFlag = FALSE;
15988 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15989 DisplayBothClocks();
15990 adjustedClock = FALSE;
15993 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15995 /* Decrement running clock by amount of time that has passed */
15999 long timeRemaining;
16000 long lastTickLength, fudge;
16003 if (!appData.clockMode) return;
16004 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16008 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16010 /* Fudge if we woke up a little too soon */
16011 fudge = intendedTickLength - lastTickLength;
16012 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16014 if (WhiteOnMove(forwardMostMove)) {
16015 if(whiteNPS >= 0) lastTickLength = 0;
16016 timeRemaining = whiteTimeRemaining -= lastTickLength;
16017 if(timeRemaining < 0 && !appData.icsActive) {
16018 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16019 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16020 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16021 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16024 DisplayWhiteClock(whiteTimeRemaining - fudge,
16025 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16027 if(blackNPS >= 0) lastTickLength = 0;
16028 timeRemaining = blackTimeRemaining -= lastTickLength;
16029 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16030 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16032 blackStartMove = forwardMostMove;
16033 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16036 DisplayBlackClock(blackTimeRemaining - fudge,
16037 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16039 if (CheckFlags()) return;
16042 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16043 StartClockTimer(intendedTickLength);
16045 /* if the time remaining has fallen below the alarm threshold, sound the
16046 * alarm. if the alarm has sounded and (due to a takeback or time control
16047 * with increment) the time remaining has increased to a level above the
16048 * threshold, reset the alarm so it can sound again.
16051 if (appData.icsActive && appData.icsAlarm) {
16053 /* make sure we are dealing with the user's clock */
16054 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16055 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16058 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16059 alarmSounded = FALSE;
16060 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16062 alarmSounded = TRUE;
16068 /* A player has just moved, so stop the previously running
16069 clock and (if in clock mode) start the other one.
16070 We redisplay both clocks in case we're in ICS mode, because
16071 ICS gives us an update to both clocks after every move.
16072 Note that this routine is called *after* forwardMostMove
16073 is updated, so the last fractional tick must be subtracted
16074 from the color that is *not* on move now.
16077 SwitchClocks(int newMoveNr)
16079 long lastTickLength;
16081 int flagged = FALSE;
16085 if (StopClockTimer() && appData.clockMode) {
16086 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16087 if (!WhiteOnMove(forwardMostMove)) {
16088 if(blackNPS >= 0) lastTickLength = 0;
16089 blackTimeRemaining -= lastTickLength;
16090 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16091 // if(pvInfoList[forwardMostMove].time == -1)
16092 pvInfoList[forwardMostMove].time = // use GUI time
16093 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16095 if(whiteNPS >= 0) lastTickLength = 0;
16096 whiteTimeRemaining -= lastTickLength;
16097 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16098 // if(pvInfoList[forwardMostMove].time == -1)
16099 pvInfoList[forwardMostMove].time =
16100 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16102 flagged = CheckFlags();
16104 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16105 CheckTimeControl();
16107 if (flagged || !appData.clockMode) return;
16109 switch (gameMode) {
16110 case MachinePlaysBlack:
16111 case MachinePlaysWhite:
16112 case BeginningOfGame:
16113 if (pausing) return;
16117 case PlayFromGameFile:
16125 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16126 if(WhiteOnMove(forwardMostMove))
16127 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16128 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16132 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16133 whiteTimeRemaining : blackTimeRemaining);
16134 StartClockTimer(intendedTickLength);
16138 /* Stop both clocks */
16142 long lastTickLength;
16145 if (!StopClockTimer()) return;
16146 if (!appData.clockMode) return;
16150 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16151 if (WhiteOnMove(forwardMostMove)) {
16152 if(whiteNPS >= 0) lastTickLength = 0;
16153 whiteTimeRemaining -= lastTickLength;
16154 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16156 if(blackNPS >= 0) lastTickLength = 0;
16157 blackTimeRemaining -= lastTickLength;
16158 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16163 /* Start clock of player on move. Time may have been reset, so
16164 if clock is already running, stop and restart it. */
16168 (void) StopClockTimer(); /* in case it was running already */
16169 DisplayBothClocks();
16170 if (CheckFlags()) return;
16172 if (!appData.clockMode) return;
16173 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16175 GetTimeMark(&tickStartTM);
16176 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16177 whiteTimeRemaining : blackTimeRemaining);
16179 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16180 whiteNPS = blackNPS = -1;
16181 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16182 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16183 whiteNPS = first.nps;
16184 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16185 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16186 blackNPS = first.nps;
16187 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16188 whiteNPS = second.nps;
16189 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16190 blackNPS = second.nps;
16191 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16193 StartClockTimer(intendedTickLength);
16200 long second, minute, hour, day;
16202 static char buf[32];
16204 if (ms > 0 && ms <= 9900) {
16205 /* convert milliseconds to tenths, rounding up */
16206 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16208 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16212 /* convert milliseconds to seconds, rounding up */
16213 /* use floating point to avoid strangeness of integer division
16214 with negative dividends on many machines */
16215 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16222 day = second / (60 * 60 * 24);
16223 second = second % (60 * 60 * 24);
16224 hour = second / (60 * 60);
16225 second = second % (60 * 60);
16226 minute = second / 60;
16227 second = second % 60;
16230 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16231 sign, day, hour, minute, second);
16233 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16235 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16242 * This is necessary because some C libraries aren't ANSI C compliant yet.
16245 StrStr(string, match)
16246 char *string, *match;
16250 length = strlen(match);
16252 for (i = strlen(string) - length; i >= 0; i--, string++)
16253 if (!strncmp(match, string, length))
16260 StrCaseStr(string, match)
16261 char *string, *match;
16265 length = strlen(match);
16267 for (i = strlen(string) - length; i >= 0; i--, string++) {
16268 for (j = 0; j < length; j++) {
16269 if (ToLower(match[j]) != ToLower(string[j]))
16272 if (j == length) return string;
16286 c1 = ToLower(*s1++);
16287 c2 = ToLower(*s2++);
16288 if (c1 > c2) return 1;
16289 if (c1 < c2) return -1;
16290 if (c1 == NULLCHAR) return 0;
16299 return isupper(c) ? tolower(c) : c;
16307 return islower(c) ? toupper(c) : c;
16309 #endif /* !_amigados */
16317 if ((ret = (char *) malloc(strlen(s) + 1)))
16319 safeStrCpy(ret, s, strlen(s)+1);
16325 StrSavePtr(s, savePtr)
16326 char *s, **savePtr;
16331 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16332 safeStrCpy(*savePtr, s, strlen(s)+1);
16344 clock = time((time_t *)NULL);
16345 tm = localtime(&clock);
16346 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16347 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16348 return StrSave(buf);
16353 PositionToFEN(move, overrideCastling)
16355 char *overrideCastling;
16357 int i, j, fromX, fromY, toX, toY;
16364 whiteToPlay = (gameMode == EditPosition) ?
16365 !blackPlaysFirst : (move % 2 == 0);
16368 /* Piece placement data */
16369 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16370 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16372 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16373 if (boards[move][i][j] == EmptySquare) {
16375 } else { ChessSquare piece = boards[move][i][j];
16376 if (emptycount > 0) {
16377 if(emptycount<10) /* [HGM] can be >= 10 */
16378 *p++ = '0' + emptycount;
16379 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16382 if(PieceToChar(piece) == '+') {
16383 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16385 piece = (ChessSquare)(DEMOTED piece);
16387 *p++ = PieceToChar(piece);
16389 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16390 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16395 if (emptycount > 0) {
16396 if(emptycount<10) /* [HGM] can be >= 10 */
16397 *p++ = '0' + emptycount;
16398 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16405 /* [HGM] print Crazyhouse or Shogi holdings */
16406 if( gameInfo.holdingsWidth ) {
16407 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16409 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16410 piece = boards[move][i][BOARD_WIDTH-1];
16411 if( piece != EmptySquare )
16412 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16413 *p++ = PieceToChar(piece);
16415 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16416 piece = boards[move][BOARD_HEIGHT-i-1][0];
16417 if( piece != EmptySquare )
16418 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16419 *p++ = PieceToChar(piece);
16422 if( q == p ) *p++ = '-';
16428 *p++ = whiteToPlay ? 'w' : 'b';
16431 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16432 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16434 if(nrCastlingRights) {
16436 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16437 /* [HGM] write directly from rights */
16438 if(boards[move][CASTLING][2] != NoRights &&
16439 boards[move][CASTLING][0] != NoRights )
16440 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16441 if(boards[move][CASTLING][2] != NoRights &&
16442 boards[move][CASTLING][1] != NoRights )
16443 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16444 if(boards[move][CASTLING][5] != NoRights &&
16445 boards[move][CASTLING][3] != NoRights )
16446 *p++ = boards[move][CASTLING][3] + AAA;
16447 if(boards[move][CASTLING][5] != NoRights &&
16448 boards[move][CASTLING][4] != NoRights )
16449 *p++ = boards[move][CASTLING][4] + AAA;
16452 /* [HGM] write true castling rights */
16453 if( nrCastlingRights == 6 ) {
16454 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16455 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16456 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16457 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16458 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16459 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16460 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16461 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16464 if (q == p) *p++ = '-'; /* No castling rights */
16468 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16469 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16470 /* En passant target square */
16471 if (move > backwardMostMove) {
16472 fromX = moveList[move - 1][0] - AAA;
16473 fromY = moveList[move - 1][1] - ONE;
16474 toX = moveList[move - 1][2] - AAA;
16475 toY = moveList[move - 1][3] - ONE;
16476 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16477 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16478 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16480 /* 2-square pawn move just happened */
16482 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16486 } else if(move == backwardMostMove) {
16487 // [HGM] perhaps we should always do it like this, and forget the above?
16488 if((signed char)boards[move][EP_STATUS] >= 0) {
16489 *p++ = boards[move][EP_STATUS] + AAA;
16490 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16501 /* [HGM] find reversible plies */
16502 { int i = 0, j=move;
16504 if (appData.debugMode) { int k;
16505 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16506 for(k=backwardMostMove; k<=forwardMostMove; k++)
16507 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16511 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16512 if( j == backwardMostMove ) i += initialRulePlies;
16513 sprintf(p, "%d ", i);
16514 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16516 /* Fullmove number */
16517 sprintf(p, "%d", (move / 2) + 1);
16519 return StrSave(buf);
16523 ParseFEN(board, blackPlaysFirst, fen)
16525 int *blackPlaysFirst;
16535 /* [HGM] by default clear Crazyhouse holdings, if present */
16536 if(gameInfo.holdingsWidth) {
16537 for(i=0; i<BOARD_HEIGHT; i++) {
16538 board[i][0] = EmptySquare; /* black holdings */
16539 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16540 board[i][1] = (ChessSquare) 0; /* black counts */
16541 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16545 /* Piece placement data */
16546 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16549 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16550 if (*p == '/') p++;
16551 emptycount = gameInfo.boardWidth - j;
16552 while (emptycount--)
16553 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16555 #if(BOARD_FILES >= 10)
16556 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16557 p++; emptycount=10;
16558 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16559 while (emptycount--)
16560 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16562 } else if (isdigit(*p)) {
16563 emptycount = *p++ - '0';
16564 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16565 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16566 while (emptycount--)
16567 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16568 } else if (*p == '+' || isalpha(*p)) {
16569 if (j >= gameInfo.boardWidth) return FALSE;
16571 piece = CharToPiece(*++p);
16572 if(piece == EmptySquare) return FALSE; /* unknown piece */
16573 piece = (ChessSquare) (PROMOTED piece ); p++;
16574 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16575 } else piece = CharToPiece(*p++);
16577 if(piece==EmptySquare) return FALSE; /* unknown piece */
16578 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16579 piece = (ChessSquare) (PROMOTED piece);
16580 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16583 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16589 while (*p == '/' || *p == ' ') p++;
16591 /* [HGM] look for Crazyhouse holdings here */
16592 while(*p==' ') p++;
16593 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16595 if(*p == '-' ) p++; /* empty holdings */ else {
16596 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16597 /* if we would allow FEN reading to set board size, we would */
16598 /* have to add holdings and shift the board read so far here */
16599 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16601 if((int) piece >= (int) BlackPawn ) {
16602 i = (int)piece - (int)BlackPawn;
16603 i = PieceToNumber((ChessSquare)i);
16604 if( i >= gameInfo.holdingsSize ) return FALSE;
16605 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16606 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16608 i = (int)piece - (int)WhitePawn;
16609 i = PieceToNumber((ChessSquare)i);
16610 if( i >= gameInfo.holdingsSize ) return FALSE;
16611 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16612 board[i][BOARD_WIDTH-2]++; /* black holdings */
16619 while(*p == ' ') p++;
16623 if(appData.colorNickNames) {
16624 if( c == appData.colorNickNames[0] ) c = 'w'; else
16625 if( c == appData.colorNickNames[1] ) c = 'b';
16629 *blackPlaysFirst = FALSE;
16632 *blackPlaysFirst = TRUE;
16638 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16639 /* return the extra info in global variiables */
16641 /* set defaults in case FEN is incomplete */
16642 board[EP_STATUS] = EP_UNKNOWN;
16643 for(i=0; i<nrCastlingRights; i++ ) {
16644 board[CASTLING][i] =
16645 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16646 } /* assume possible unless obviously impossible */
16647 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16648 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16649 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16650 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16651 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16652 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16653 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16654 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16657 while(*p==' ') p++;
16658 if(nrCastlingRights) {
16659 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16660 /* castling indicator present, so default becomes no castlings */
16661 for(i=0; i<nrCastlingRights; i++ ) {
16662 board[CASTLING][i] = NoRights;
16665 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16666 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16667 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16668 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16669 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16671 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16672 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16673 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16675 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16676 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16677 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16678 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16679 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16680 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16683 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16684 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16685 board[CASTLING][2] = whiteKingFile;
16688 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16689 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16690 board[CASTLING][2] = whiteKingFile;
16693 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16694 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16695 board[CASTLING][5] = blackKingFile;
16698 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16699 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16700 board[CASTLING][5] = blackKingFile;
16703 default: /* FRC castlings */
16704 if(c >= 'a') { /* black rights */
16705 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16706 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16707 if(i == BOARD_RGHT) break;
16708 board[CASTLING][5] = i;
16710 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16711 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16713 board[CASTLING][3] = c;
16715 board[CASTLING][4] = c;
16716 } else { /* white rights */
16717 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16718 if(board[0][i] == WhiteKing) break;
16719 if(i == BOARD_RGHT) break;
16720 board[CASTLING][2] = i;
16721 c -= AAA - 'a' + 'A';
16722 if(board[0][c] >= WhiteKing) break;
16724 board[CASTLING][0] = c;
16726 board[CASTLING][1] = c;
16730 for(i=0; i<nrCastlingRights; i++)
16731 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16732 if (appData.debugMode) {
16733 fprintf(debugFP, "FEN castling rights:");
16734 for(i=0; i<nrCastlingRights; i++)
16735 fprintf(debugFP, " %d", board[CASTLING][i]);
16736 fprintf(debugFP, "\n");
16739 while(*p==' ') p++;
16742 /* read e.p. field in games that know e.p. capture */
16743 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16744 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16746 p++; board[EP_STATUS] = EP_NONE;
16748 char c = *p++ - AAA;
16750 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16751 if(*p >= '0' && *p <='9') p++;
16752 board[EP_STATUS] = c;
16757 if(sscanf(p, "%d", &i) == 1) {
16758 FENrulePlies = i; /* 50-move ply counter */
16759 /* (The move number is still ignored) */
16766 EditPositionPasteFEN(char *fen)
16769 Board initial_position;
16771 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16772 DisplayError(_("Bad FEN position in clipboard"), 0);
16775 int savedBlackPlaysFirst = blackPlaysFirst;
16776 EditPositionEvent();
16777 blackPlaysFirst = savedBlackPlaysFirst;
16778 CopyBoard(boards[0], initial_position);
16779 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16780 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16781 DisplayBothClocks();
16782 DrawPosition(FALSE, boards[currentMove]);
16787 static char cseq[12] = "\\ ";
16789 Boolean set_cont_sequence(char *new_seq)
16794 // handle bad attempts to set the sequence
16796 return 0; // acceptable error - no debug
16798 len = strlen(new_seq);
16799 ret = (len > 0) && (len < sizeof(cseq));
16801 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16802 else if (appData.debugMode)
16803 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16808 reformat a source message so words don't cross the width boundary. internal
16809 newlines are not removed. returns the wrapped size (no null character unless
16810 included in source message). If dest is NULL, only calculate the size required
16811 for the dest buffer. lp argument indicats line position upon entry, and it's
16812 passed back upon exit.
16814 int wrap(char *dest, char *src, int count, int width, int *lp)
16816 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16818 cseq_len = strlen(cseq);
16819 old_line = line = *lp;
16820 ansi = len = clen = 0;
16822 for (i=0; i < count; i++)
16824 if (src[i] == '\033')
16827 // if we hit the width, back up
16828 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16830 // store i & len in case the word is too long
16831 old_i = i, old_len = len;
16833 // find the end of the last word
16834 while (i && src[i] != ' ' && src[i] != '\n')
16840 // word too long? restore i & len before splitting it
16841 if ((old_i-i+clen) >= width)
16848 if (i && src[i-1] == ' ')
16851 if (src[i] != ' ' && src[i] != '\n')
16858 // now append the newline and continuation sequence
16863 strncpy(dest+len, cseq, cseq_len);
16871 dest[len] = src[i];
16875 if (src[i] == '\n')
16880 if (dest && appData.debugMode)
16882 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16883 count, width, line, len, *lp);
16884 show_bytes(debugFP, src, count);
16885 fprintf(debugFP, "\ndest: ");
16886 show_bytes(debugFP, dest, len);
16887 fprintf(debugFP, "\n");
16889 *lp = dest ? line : old_line;
16894 // [HGM] vari: routines for shelving variations
16895 Boolean modeRestore = FALSE;
16898 PushInner(int firstMove, int lastMove)
16900 int i, j, nrMoves = lastMove - firstMove;
16902 // push current tail of game on stack
16903 savedResult[storedGames] = gameInfo.result;
16904 savedDetails[storedGames] = gameInfo.resultDetails;
16905 gameInfo.resultDetails = NULL;
16906 savedFirst[storedGames] = firstMove;
16907 savedLast [storedGames] = lastMove;
16908 savedFramePtr[storedGames] = framePtr;
16909 framePtr -= nrMoves; // reserve space for the boards
16910 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16911 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16912 for(j=0; j<MOVE_LEN; j++)
16913 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16914 for(j=0; j<2*MOVE_LEN; j++)
16915 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16916 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16917 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16918 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16919 pvInfoList[firstMove+i-1].depth = 0;
16920 commentList[framePtr+i] = commentList[firstMove+i];
16921 commentList[firstMove+i] = NULL;
16925 forwardMostMove = firstMove; // truncate game so we can start variation
16929 PushTail(int firstMove, int lastMove)
16931 if(appData.icsActive) { // only in local mode
16932 forwardMostMove = currentMove; // mimic old ICS behavior
16935 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16937 PushInner(firstMove, lastMove);
16938 if(storedGames == 1) GreyRevert(FALSE);
16939 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16943 PopInner(Boolean annotate)
16946 char buf[8000], moveBuf[20];
16948 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16949 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16950 nrMoves = savedLast[storedGames] - currentMove;
16953 if(!WhiteOnMove(currentMove))
16954 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16955 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16956 for(i=currentMove; i<forwardMostMove; i++) {
16958 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16959 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16960 strcat(buf, moveBuf);
16961 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16962 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16966 for(i=1; i<=nrMoves; i++) { // copy last variation back
16967 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16968 for(j=0; j<MOVE_LEN; j++)
16969 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16970 for(j=0; j<2*MOVE_LEN; j++)
16971 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16972 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16973 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16974 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16975 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16976 commentList[currentMove+i] = commentList[framePtr+i];
16977 commentList[framePtr+i] = NULL;
16979 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16980 framePtr = savedFramePtr[storedGames];
16981 gameInfo.result = savedResult[storedGames];
16982 if(gameInfo.resultDetails != NULL) {
16983 free(gameInfo.resultDetails);
16985 gameInfo.resultDetails = savedDetails[storedGames];
16986 forwardMostMove = currentMove + nrMoves;
16990 PopTail(Boolean annotate)
16992 if(appData.icsActive) return FALSE; // only in local mode
16993 if(!storedGames) return FALSE; // sanity
16994 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16996 PopInner(annotate);
16997 if(currentMove < forwardMostMove) ForwardEvent(); else
16998 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17000 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17006 { // remove all shelved variations
17008 for(i=0; i<storedGames; i++) {
17009 if(savedDetails[i])
17010 free(savedDetails[i]);
17011 savedDetails[i] = NULL;
17013 for(i=framePtr; i<MAX_MOVES; i++) {
17014 if(commentList[i]) free(commentList[i]);
17015 commentList[i] = NULL;
17017 framePtr = MAX_MOVES-1;
17022 LoadVariation(int index, char *text)
17023 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17024 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17025 int level = 0, move;
17027 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17028 // first find outermost bracketing variation
17029 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17030 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17031 if(*p == '{') wait = '}'; else
17032 if(*p == '[') wait = ']'; else
17033 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17034 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17036 if(*p == wait) wait = NULLCHAR; // closing ]} found
17039 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17040 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17041 end[1] = NULLCHAR; // clip off comment beyond variation
17042 ToNrEvent(currentMove-1);
17043 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17044 // kludge: use ParsePV() to append variation to game
17045 move = currentMove;
17046 ParsePV(start, TRUE, TRUE);
17047 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17048 ClearPremoveHighlights();
17050 ToNrEvent(currentMove+1);