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 && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8122 int dummy, s=6; char buf[MSG_SIZ];
8123 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8124 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8125 if(startedFromSetupPosition) return;
8126 ParseFEN(boards[0], &dummy, message+s);
8127 DrawPosition(TRUE, boards[0]);
8128 startedFromSetupPosition = TRUE;
8131 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8132 * want this, I was asked to put it in, and obliged.
8134 if (!strncmp(message, "setboard ", 9)) {
8135 Board initial_position;
8137 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8139 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8140 DisplayError(_("Bad FEN received from engine"), 0);
8144 CopyBoard(boards[0], initial_position);
8145 initialRulePlies = FENrulePlies;
8146 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8147 else gameMode = MachinePlaysBlack;
8148 DrawPosition(FALSE, boards[currentMove]);
8154 * Look for communication commands
8156 if (!strncmp(message, "telluser ", 9)) {
8157 if(message[9] == '\\' && message[10] == '\\')
8158 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8160 DisplayNote(message + 9);
8163 if (!strncmp(message, "tellusererror ", 14)) {
8165 if(message[14] == '\\' && message[15] == '\\')
8166 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8168 DisplayError(message + 14, 0);
8171 if (!strncmp(message, "tellopponent ", 13)) {
8172 if (appData.icsActive) {
8174 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8178 DisplayNote(message + 13);
8182 if (!strncmp(message, "tellothers ", 11)) {
8183 if (appData.icsActive) {
8185 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8191 if (!strncmp(message, "tellall ", 8)) {
8192 if (appData.icsActive) {
8194 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8198 DisplayNote(message + 8);
8202 if (strncmp(message, "warning", 7) == 0) {
8203 /* Undocumented feature, use tellusererror in new code */
8204 DisplayError(message, 0);
8207 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8208 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8209 strcat(realname, " query");
8210 AskQuestion(realname, buf2, buf1, cps->pr);
8213 /* Commands from the engine directly to ICS. We don't allow these to be
8214 * sent until we are logged on. Crafty kibitzes have been known to
8215 * interfere with the login process.
8218 if (!strncmp(message, "tellics ", 8)) {
8219 SendToICS(message + 8);
8223 if (!strncmp(message, "tellicsnoalias ", 15)) {
8224 SendToICS(ics_prefix);
8225 SendToICS(message + 15);
8229 /* The following are for backward compatibility only */
8230 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8231 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8232 SendToICS(ics_prefix);
8238 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8242 * If the move is illegal, cancel it and redraw the board.
8243 * Also deal with other error cases. Matching is rather loose
8244 * here to accommodate engines written before the spec.
8246 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8247 strncmp(message, "Error", 5) == 0) {
8248 if (StrStr(message, "name") ||
8249 StrStr(message, "rating") || StrStr(message, "?") ||
8250 StrStr(message, "result") || StrStr(message, "board") ||
8251 StrStr(message, "bk") || StrStr(message, "computer") ||
8252 StrStr(message, "variant") || StrStr(message, "hint") ||
8253 StrStr(message, "random") || StrStr(message, "depth") ||
8254 StrStr(message, "accepted")) {
8257 if (StrStr(message, "protover")) {
8258 /* Program is responding to input, so it's apparently done
8259 initializing, and this error message indicates it is
8260 protocol version 1. So we don't need to wait any longer
8261 for it to initialize and send feature commands. */
8262 FeatureDone(cps, 1);
8263 cps->protocolVersion = 1;
8266 cps->maybeThinking = FALSE;
8268 if (StrStr(message, "draw")) {
8269 /* Program doesn't have "draw" command */
8270 cps->sendDrawOffers = 0;
8273 if (cps->sendTime != 1 &&
8274 (StrStr(message, "time") || StrStr(message, "otim"))) {
8275 /* Program apparently doesn't have "time" or "otim" command */
8279 if (StrStr(message, "analyze")) {
8280 cps->analysisSupport = FALSE;
8281 cps->analyzing = FALSE;
8282 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8283 EditGameEvent(); // [HGM] try to preserve loaded game
8284 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8285 DisplayError(buf2, 0);
8288 if (StrStr(message, "(no matching move)st")) {
8289 /* Special kludge for GNU Chess 4 only */
8290 cps->stKludge = TRUE;
8291 SendTimeControl(cps, movesPerSession, timeControl,
8292 timeIncrement, appData.searchDepth,
8296 if (StrStr(message, "(no matching move)sd")) {
8297 /* Special kludge for GNU Chess 4 only */
8298 cps->sdKludge = TRUE;
8299 SendTimeControl(cps, movesPerSession, timeControl,
8300 timeIncrement, appData.searchDepth,
8304 if (!StrStr(message, "llegal")) {
8307 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8308 gameMode == IcsIdle) return;
8309 if (forwardMostMove <= backwardMostMove) return;
8310 if (pausing) PauseEvent();
8311 if(appData.forceIllegal) {
8312 // [HGM] illegal: machine refused move; force position after move into it
8313 SendToProgram("force\n", cps);
8314 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8315 // we have a real problem now, as SendBoard will use the a2a3 kludge
8316 // when black is to move, while there might be nothing on a2 or black
8317 // might already have the move. So send the board as if white has the move.
8318 // But first we must change the stm of the engine, as it refused the last move
8319 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8320 if(WhiteOnMove(forwardMostMove)) {
8321 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8322 SendBoard(cps, forwardMostMove); // kludgeless board
8324 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8325 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8326 SendBoard(cps, forwardMostMove+1); // kludgeless board
8328 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8329 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8330 gameMode == TwoMachinesPlay)
8331 SendToProgram("go\n", cps);
8334 if (gameMode == PlayFromGameFile) {
8335 /* Stop reading this game file */
8336 gameMode = EditGame;
8339 /* [HGM] illegal-move claim should forfeit game when Xboard */
8340 /* only passes fully legal moves */
8341 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8342 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8343 "False illegal-move claim", GE_XBOARD );
8344 return; // do not take back move we tested as valid
8346 currentMove = forwardMostMove-1;
8347 DisplayMove(currentMove-1); /* before DisplayMoveError */
8348 SwitchClocks(forwardMostMove-1); // [HGM] race
8349 DisplayBothClocks();
8350 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8351 parseList[currentMove], _(cps->which));
8352 DisplayMoveError(buf1);
8353 DrawPosition(FALSE, boards[currentMove]);
8356 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8357 /* Program has a broken "time" command that
8358 outputs a string not ending in newline.
8364 * If chess program startup fails, exit with an error message.
8365 * Attempts to recover here are futile.
8367 if ((StrStr(message, "unknown host") != NULL)
8368 || (StrStr(message, "No remote directory") != NULL)
8369 || (StrStr(message, "not found") != NULL)
8370 || (StrStr(message, "No such file") != NULL)
8371 || (StrStr(message, "can't alloc") != NULL)
8372 || (StrStr(message, "Permission denied") != NULL)) {
8374 cps->maybeThinking = FALSE;
8375 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8376 _(cps->which), cps->program, cps->host, message);
8377 RemoveInputSource(cps->isr);
8378 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8379 if(cps == &first) appData.noChessProgram = TRUE;
8380 DisplayError(buf1, 0);
8386 * Look for hint output
8388 if (sscanf(message, "Hint: %s", buf1) == 1) {
8389 if (cps == &first && hintRequested) {
8390 hintRequested = FALSE;
8391 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8392 &fromX, &fromY, &toX, &toY, &promoChar)) {
8393 (void) CoordsToAlgebraic(boards[forwardMostMove],
8394 PosFlags(forwardMostMove),
8395 fromY, fromX, toY, toX, promoChar, buf1);
8396 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8397 DisplayInformation(buf2);
8399 /* Hint move could not be parsed!? */
8400 snprintf(buf2, sizeof(buf2),
8401 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8402 buf1, _(cps->which));
8403 DisplayError(buf2, 0);
8406 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8412 * Ignore other messages if game is not in progress
8414 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8415 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8418 * look for win, lose, draw, or draw offer
8420 if (strncmp(message, "1-0", 3) == 0) {
8421 char *p, *q, *r = "";
8422 p = strchr(message, '{');
8430 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8432 } else if (strncmp(message, "0-1", 3) == 0) {
8433 char *p, *q, *r = "";
8434 p = strchr(message, '{');
8442 /* Kludge for Arasan 4.1 bug */
8443 if (strcmp(r, "Black resigns") == 0) {
8444 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8447 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8449 } else if (strncmp(message, "1/2", 3) == 0) {
8450 char *p, *q, *r = "";
8451 p = strchr(message, '{');
8460 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8463 } else if (strncmp(message, "White resign", 12) == 0) {
8464 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8466 } else if (strncmp(message, "Black resign", 12) == 0) {
8467 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8469 } else if (strncmp(message, "White matches", 13) == 0 ||
8470 strncmp(message, "Black matches", 13) == 0 ) {
8471 /* [HGM] ignore GNUShogi noises */
8473 } else if (strncmp(message, "White", 5) == 0 &&
8474 message[5] != '(' &&
8475 StrStr(message, "Black") == NULL) {
8476 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8478 } else if (strncmp(message, "Black", 5) == 0 &&
8479 message[5] != '(') {
8480 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8482 } else if (strcmp(message, "resign") == 0 ||
8483 strcmp(message, "computer resigns") == 0) {
8485 case MachinePlaysBlack:
8486 case IcsPlayingBlack:
8487 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8489 case MachinePlaysWhite:
8490 case IcsPlayingWhite:
8491 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8493 case TwoMachinesPlay:
8494 if (cps->twoMachinesColor[0] == 'w')
8495 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8497 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8504 } else if (strncmp(message, "opponent mates", 14) == 0) {
8506 case MachinePlaysBlack:
8507 case IcsPlayingBlack:
8508 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8510 case MachinePlaysWhite:
8511 case IcsPlayingWhite:
8512 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8514 case TwoMachinesPlay:
8515 if (cps->twoMachinesColor[0] == 'w')
8516 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8518 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8525 } else if (strncmp(message, "computer mates", 14) == 0) {
8527 case MachinePlaysBlack:
8528 case IcsPlayingBlack:
8529 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8531 case MachinePlaysWhite:
8532 case IcsPlayingWhite:
8533 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8535 case TwoMachinesPlay:
8536 if (cps->twoMachinesColor[0] == 'w')
8537 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8539 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8546 } else if (strncmp(message, "checkmate", 9) == 0) {
8547 if (WhiteOnMove(forwardMostMove)) {
8548 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8550 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8553 } else if (strstr(message, "Draw") != NULL ||
8554 strstr(message, "game is a draw") != NULL) {
8555 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8557 } else if (strstr(message, "offer") != NULL &&
8558 strstr(message, "draw") != NULL) {
8560 if (appData.zippyPlay && first.initDone) {
8561 /* Relay offer to ICS */
8562 SendToICS(ics_prefix);
8563 SendToICS("draw\n");
8566 cps->offeredDraw = 2; /* valid until this engine moves twice */
8567 if (gameMode == TwoMachinesPlay) {
8568 if (cps->other->offeredDraw) {
8569 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8570 /* [HGM] in two-machine mode we delay relaying draw offer */
8571 /* until after we also have move, to see if it is really claim */
8573 } else if (gameMode == MachinePlaysWhite ||
8574 gameMode == MachinePlaysBlack) {
8575 if (userOfferedDraw) {
8576 DisplayInformation(_("Machine accepts your draw offer"));
8577 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8579 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8586 * Look for thinking output
8588 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8589 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8591 int plylev, mvleft, mvtot, curscore, time;
8592 char mvname[MOVE_LEN];
8596 int prefixHint = FALSE;
8597 mvname[0] = NULLCHAR;
8600 case MachinePlaysBlack:
8601 case IcsPlayingBlack:
8602 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8604 case MachinePlaysWhite:
8605 case IcsPlayingWhite:
8606 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8611 case IcsObserving: /* [DM] icsEngineAnalyze */
8612 if (!appData.icsEngineAnalyze) ignore = TRUE;
8614 case TwoMachinesPlay:
8615 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8625 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8627 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8628 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8630 if (plyext != ' ' && plyext != '\t') {
8634 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8635 if( cps->scoreIsAbsolute &&
8636 ( gameMode == MachinePlaysBlack ||
8637 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8638 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8639 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8640 !WhiteOnMove(currentMove)
8643 curscore = -curscore;
8646 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8648 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8651 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8652 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8653 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8654 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8655 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8656 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8658 } else DisplayError("failed writing PV", 0);
8661 tempStats.depth = plylev;
8662 tempStats.nodes = nodes;
8663 tempStats.time = time;
8664 tempStats.score = curscore;
8665 tempStats.got_only_move = 0;
8667 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8670 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8671 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8672 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8673 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8674 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8675 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8676 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8677 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8680 /* Buffer overflow protection */
8681 if (pv[0] != NULLCHAR) {
8682 if (strlen(pv) >= sizeof(tempStats.movelist)
8683 && appData.debugMode) {
8685 "PV is too long; using the first %u bytes.\n",
8686 (unsigned) sizeof(tempStats.movelist) - 1);
8689 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8691 sprintf(tempStats.movelist, " no PV\n");
8694 if (tempStats.seen_stat) {
8695 tempStats.ok_to_send = 1;
8698 if (strchr(tempStats.movelist, '(') != NULL) {
8699 tempStats.line_is_book = 1;
8700 tempStats.nr_moves = 0;
8701 tempStats.moves_left = 0;
8703 tempStats.line_is_book = 0;
8706 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8707 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8709 SendProgramStatsToFrontend( cps, &tempStats );
8712 [AS] Protect the thinkOutput buffer from overflow... this
8713 is only useful if buf1 hasn't overflowed first!
8715 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8717 (gameMode == TwoMachinesPlay ?
8718 ToUpper(cps->twoMachinesColor[0]) : ' '),
8719 ((double) curscore) / 100.0,
8720 prefixHint ? lastHint : "",
8721 prefixHint ? " " : "" );
8723 if( buf1[0] != NULLCHAR ) {
8724 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8726 if( strlen(pv) > max_len ) {
8727 if( appData.debugMode) {
8728 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8730 pv[max_len+1] = '\0';
8733 strcat( thinkOutput, pv);
8736 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8737 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8738 DisplayMove(currentMove - 1);
8742 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8743 /* crafty (9.25+) says "(only move) <move>"
8744 * if there is only 1 legal move
8746 sscanf(p, "(only move) %s", buf1);
8747 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8748 sprintf(programStats.movelist, "%s (only move)", buf1);
8749 programStats.depth = 1;
8750 programStats.nr_moves = 1;
8751 programStats.moves_left = 1;
8752 programStats.nodes = 1;
8753 programStats.time = 1;
8754 programStats.got_only_move = 1;
8756 /* Not really, but we also use this member to
8757 mean "line isn't going to change" (Crafty
8758 isn't searching, so stats won't change) */
8759 programStats.line_is_book = 1;
8761 SendProgramStatsToFrontend( cps, &programStats );
8763 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8764 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8765 DisplayMove(currentMove - 1);
8768 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8769 &time, &nodes, &plylev, &mvleft,
8770 &mvtot, mvname) >= 5) {
8771 /* The stat01: line is from Crafty (9.29+) in response
8772 to the "." command */
8773 programStats.seen_stat = 1;
8774 cps->maybeThinking = TRUE;
8776 if (programStats.got_only_move || !appData.periodicUpdates)
8779 programStats.depth = plylev;
8780 programStats.time = time;
8781 programStats.nodes = nodes;
8782 programStats.moves_left = mvleft;
8783 programStats.nr_moves = mvtot;
8784 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8785 programStats.ok_to_send = 1;
8786 programStats.movelist[0] = '\0';
8788 SendProgramStatsToFrontend( cps, &programStats );
8792 } else if (strncmp(message,"++",2) == 0) {
8793 /* Crafty 9.29+ outputs this */
8794 programStats.got_fail = 2;
8797 } else if (strncmp(message,"--",2) == 0) {
8798 /* Crafty 9.29+ outputs this */
8799 programStats.got_fail = 1;
8802 } else if (thinkOutput[0] != NULLCHAR &&
8803 strncmp(message, " ", 4) == 0) {
8804 unsigned message_len;
8807 while (*p && *p == ' ') p++;
8809 message_len = strlen( p );
8811 /* [AS] Avoid buffer overflow */
8812 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8813 strcat(thinkOutput, " ");
8814 strcat(thinkOutput, p);
8817 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8818 strcat(programStats.movelist, " ");
8819 strcat(programStats.movelist, p);
8822 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8823 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8824 DisplayMove(currentMove - 1);
8832 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8833 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8835 ChessProgramStats cpstats;
8837 if (plyext != ' ' && plyext != '\t') {
8841 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8842 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8843 curscore = -curscore;
8846 cpstats.depth = plylev;
8847 cpstats.nodes = nodes;
8848 cpstats.time = time;
8849 cpstats.score = curscore;
8850 cpstats.got_only_move = 0;
8851 cpstats.movelist[0] = '\0';
8853 if (buf1[0] != NULLCHAR) {
8854 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8857 cpstats.ok_to_send = 0;
8858 cpstats.line_is_book = 0;
8859 cpstats.nr_moves = 0;
8860 cpstats.moves_left = 0;
8862 SendProgramStatsToFrontend( cps, &cpstats );
8869 /* Parse a game score from the character string "game", and
8870 record it as the history of the current game. The game
8871 score is NOT assumed to start from the standard position.
8872 The display is not updated in any way.
8875 ParseGameHistory(game)
8879 int fromX, fromY, toX, toY, boardIndex;
8884 if (appData.debugMode)
8885 fprintf(debugFP, "Parsing game history: %s\n", game);
8887 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8888 gameInfo.site = StrSave(appData.icsHost);
8889 gameInfo.date = PGNDate();
8890 gameInfo.round = StrSave("-");
8892 /* Parse out names of players */
8893 while (*game == ' ') game++;
8895 while (*game != ' ') *p++ = *game++;
8897 gameInfo.white = StrSave(buf);
8898 while (*game == ' ') game++;
8900 while (*game != ' ' && *game != '\n') *p++ = *game++;
8902 gameInfo.black = StrSave(buf);
8905 boardIndex = blackPlaysFirst ? 1 : 0;
8908 yyboardindex = boardIndex;
8909 moveType = (ChessMove) Myylex();
8911 case IllegalMove: /* maybe suicide chess, etc. */
8912 if (appData.debugMode) {
8913 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8914 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8915 setbuf(debugFP, NULL);
8917 case WhitePromotion:
8918 case BlackPromotion:
8919 case WhiteNonPromotion:
8920 case BlackNonPromotion:
8922 case WhiteCapturesEnPassant:
8923 case BlackCapturesEnPassant:
8924 case WhiteKingSideCastle:
8925 case WhiteQueenSideCastle:
8926 case BlackKingSideCastle:
8927 case BlackQueenSideCastle:
8928 case WhiteKingSideCastleWild:
8929 case WhiteQueenSideCastleWild:
8930 case BlackKingSideCastleWild:
8931 case BlackQueenSideCastleWild:
8933 case WhiteHSideCastleFR:
8934 case WhiteASideCastleFR:
8935 case BlackHSideCastleFR:
8936 case BlackASideCastleFR:
8938 fromX = currentMoveString[0] - AAA;
8939 fromY = currentMoveString[1] - ONE;
8940 toX = currentMoveString[2] - AAA;
8941 toY = currentMoveString[3] - ONE;
8942 promoChar = currentMoveString[4];
8946 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8947 fromX = moveType == WhiteDrop ?
8948 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8949 (int) CharToPiece(ToLower(currentMoveString[0]));
8951 toX = currentMoveString[2] - AAA;
8952 toY = currentMoveString[3] - ONE;
8953 promoChar = NULLCHAR;
8957 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8958 if (appData.debugMode) {
8959 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8960 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8961 setbuf(debugFP, NULL);
8963 DisplayError(buf, 0);
8965 case ImpossibleMove:
8967 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8968 if (appData.debugMode) {
8969 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8970 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8971 setbuf(debugFP, NULL);
8973 DisplayError(buf, 0);
8976 if (boardIndex < backwardMostMove) {
8977 /* Oops, gap. How did that happen? */
8978 DisplayError(_("Gap in move list"), 0);
8981 backwardMostMove = blackPlaysFirst ? 1 : 0;
8982 if (boardIndex > forwardMostMove) {
8983 forwardMostMove = boardIndex;
8987 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8988 strcat(parseList[boardIndex-1], " ");
8989 strcat(parseList[boardIndex-1], yy_text);
9001 case GameUnfinished:
9002 if (gameMode == IcsExamining) {
9003 if (boardIndex < backwardMostMove) {
9004 /* Oops, gap. How did that happen? */
9007 backwardMostMove = blackPlaysFirst ? 1 : 0;
9010 gameInfo.result = moveType;
9011 p = strchr(yy_text, '{');
9012 if (p == NULL) p = strchr(yy_text, '(');
9015 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9017 q = strchr(p, *p == '{' ? '}' : ')');
9018 if (q != NULL) *q = NULLCHAR;
9021 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9022 gameInfo.resultDetails = StrSave(p);
9025 if (boardIndex >= forwardMostMove &&
9026 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9027 backwardMostMove = blackPlaysFirst ? 1 : 0;
9030 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9031 fromY, fromX, toY, toX, promoChar,
9032 parseList[boardIndex]);
9033 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9034 /* currentMoveString is set as a side-effect of yylex */
9035 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9036 strcat(moveList[boardIndex], "\n");
9038 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9039 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9045 if(gameInfo.variant != VariantShogi)
9046 strcat(parseList[boardIndex - 1], "+");
9050 strcat(parseList[boardIndex - 1], "#");
9057 /* Apply a move to the given board */
9059 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
9060 int fromX, fromY, toX, toY;
9064 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9065 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9067 /* [HGM] compute & store e.p. status and castling rights for new position */
9068 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9070 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9071 oldEP = (signed char)board[EP_STATUS];
9072 board[EP_STATUS] = EP_NONE;
9074 if (fromY == DROP_RANK) {
9076 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9077 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9080 piece = board[toY][toX] = (ChessSquare) fromX;
9084 if( board[toY][toX] != EmptySquare )
9085 board[EP_STATUS] = EP_CAPTURE;
9087 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9088 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9089 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9091 if( board[fromY][fromX] == WhitePawn ) {
9092 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9093 board[EP_STATUS] = EP_PAWN_MOVE;
9095 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9096 gameInfo.variant != VariantBerolina || toX < fromX)
9097 board[EP_STATUS] = toX | berolina;
9098 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9099 gameInfo.variant != VariantBerolina || toX > fromX)
9100 board[EP_STATUS] = toX;
9103 if( board[fromY][fromX] == BlackPawn ) {
9104 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9105 board[EP_STATUS] = EP_PAWN_MOVE;
9106 if( toY-fromY== -2) {
9107 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9108 gameInfo.variant != VariantBerolina || toX < fromX)
9109 board[EP_STATUS] = toX | berolina;
9110 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9111 gameInfo.variant != VariantBerolina || toX > fromX)
9112 board[EP_STATUS] = toX;
9116 for(i=0; i<nrCastlingRights; i++) {
9117 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9118 board[CASTLING][i] == toX && castlingRank[i] == toY
9119 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9122 if (fromX == toX && fromY == toY) return;
9124 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9125 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9126 if(gameInfo.variant == VariantKnightmate)
9127 king += (int) WhiteUnicorn - (int) WhiteKing;
9129 /* Code added by Tord: */
9130 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9131 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9132 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9133 board[fromY][fromX] = EmptySquare;
9134 board[toY][toX] = EmptySquare;
9135 if((toX > fromX) != (piece == WhiteRook)) {
9136 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9138 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9140 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9141 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9142 board[fromY][fromX] = EmptySquare;
9143 board[toY][toX] = EmptySquare;
9144 if((toX > fromX) != (piece == BlackRook)) {
9145 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9147 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9149 /* End of code added by Tord */
9151 } else if (board[fromY][fromX] == king
9152 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9153 && toY == fromY && toX > fromX+1) {
9154 board[fromY][fromX] = EmptySquare;
9155 board[toY][toX] = king;
9156 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9157 board[fromY][BOARD_RGHT-1] = EmptySquare;
9158 } else if (board[fromY][fromX] == king
9159 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9160 && toY == fromY && toX < fromX-1) {
9161 board[fromY][fromX] = EmptySquare;
9162 board[toY][toX] = king;
9163 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9164 board[fromY][BOARD_LEFT] = EmptySquare;
9165 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9166 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9167 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9169 /* white pawn promotion */
9170 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9171 if(gameInfo.variant==VariantBughouse ||
9172 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9173 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9174 board[fromY][fromX] = EmptySquare;
9175 } else if ((fromY >= BOARD_HEIGHT>>1)
9177 && gameInfo.variant != VariantXiangqi
9178 && gameInfo.variant != VariantBerolina
9179 && (board[fromY][fromX] == WhitePawn)
9180 && (board[toY][toX] == EmptySquare)) {
9181 board[fromY][fromX] = EmptySquare;
9182 board[toY][toX] = WhitePawn;
9183 captured = board[toY - 1][toX];
9184 board[toY - 1][toX] = EmptySquare;
9185 } else if ((fromY == BOARD_HEIGHT-4)
9187 && gameInfo.variant == VariantBerolina
9188 && (board[fromY][fromX] == WhitePawn)
9189 && (board[toY][toX] == EmptySquare)) {
9190 board[fromY][fromX] = EmptySquare;
9191 board[toY][toX] = WhitePawn;
9192 if(oldEP & EP_BEROLIN_A) {
9193 captured = board[fromY][fromX-1];
9194 board[fromY][fromX-1] = EmptySquare;
9195 }else{ captured = board[fromY][fromX+1];
9196 board[fromY][fromX+1] = EmptySquare;
9198 } else if (board[fromY][fromX] == king
9199 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9200 && toY == fromY && toX > fromX+1) {
9201 board[fromY][fromX] = EmptySquare;
9202 board[toY][toX] = king;
9203 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9204 board[fromY][BOARD_RGHT-1] = EmptySquare;
9205 } else if (board[fromY][fromX] == king
9206 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9207 && toY == fromY && toX < fromX-1) {
9208 board[fromY][fromX] = EmptySquare;
9209 board[toY][toX] = king;
9210 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9211 board[fromY][BOARD_LEFT] = EmptySquare;
9212 } else if (fromY == 7 && fromX == 3
9213 && board[fromY][fromX] == BlackKing
9214 && toY == 7 && toX == 5) {
9215 board[fromY][fromX] = EmptySquare;
9216 board[toY][toX] = BlackKing;
9217 board[fromY][7] = EmptySquare;
9218 board[toY][4] = BlackRook;
9219 } else if (fromY == 7 && fromX == 3
9220 && board[fromY][fromX] == BlackKing
9221 && toY == 7 && toX == 1) {
9222 board[fromY][fromX] = EmptySquare;
9223 board[toY][toX] = BlackKing;
9224 board[fromY][0] = EmptySquare;
9225 board[toY][2] = BlackRook;
9226 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9227 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9228 && toY < promoRank && promoChar
9230 /* black pawn promotion */
9231 board[toY][toX] = CharToPiece(ToLower(promoChar));
9232 if(gameInfo.variant==VariantBughouse ||
9233 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9234 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9235 board[fromY][fromX] = EmptySquare;
9236 } else if ((fromY < BOARD_HEIGHT>>1)
9238 && gameInfo.variant != VariantXiangqi
9239 && gameInfo.variant != VariantBerolina
9240 && (board[fromY][fromX] == BlackPawn)
9241 && (board[toY][toX] == EmptySquare)) {
9242 board[fromY][fromX] = EmptySquare;
9243 board[toY][toX] = BlackPawn;
9244 captured = board[toY + 1][toX];
9245 board[toY + 1][toX] = EmptySquare;
9246 } else if ((fromY == 3)
9248 && gameInfo.variant == VariantBerolina
9249 && (board[fromY][fromX] == BlackPawn)
9250 && (board[toY][toX] == EmptySquare)) {
9251 board[fromY][fromX] = EmptySquare;
9252 board[toY][toX] = BlackPawn;
9253 if(oldEP & EP_BEROLIN_A) {
9254 captured = board[fromY][fromX-1];
9255 board[fromY][fromX-1] = EmptySquare;
9256 }else{ captured = board[fromY][fromX+1];
9257 board[fromY][fromX+1] = EmptySquare;
9260 board[toY][toX] = board[fromY][fromX];
9261 board[fromY][fromX] = EmptySquare;
9265 if (gameInfo.holdingsWidth != 0) {
9267 /* !!A lot more code needs to be written to support holdings */
9268 /* [HGM] OK, so I have written it. Holdings are stored in the */
9269 /* penultimate board files, so they are automaticlly stored */
9270 /* in the game history. */
9271 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9272 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9273 /* Delete from holdings, by decreasing count */
9274 /* and erasing image if necessary */
9275 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9276 if(p < (int) BlackPawn) { /* white drop */
9277 p -= (int)WhitePawn;
9278 p = PieceToNumber((ChessSquare)p);
9279 if(p >= gameInfo.holdingsSize) p = 0;
9280 if(--board[p][BOARD_WIDTH-2] <= 0)
9281 board[p][BOARD_WIDTH-1] = EmptySquare;
9282 if((int)board[p][BOARD_WIDTH-2] < 0)
9283 board[p][BOARD_WIDTH-2] = 0;
9284 } else { /* black drop */
9285 p -= (int)BlackPawn;
9286 p = PieceToNumber((ChessSquare)p);
9287 if(p >= gameInfo.holdingsSize) p = 0;
9288 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9289 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9290 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9291 board[BOARD_HEIGHT-1-p][1] = 0;
9294 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9295 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9296 /* [HGM] holdings: Add to holdings, if holdings exist */
9297 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9298 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9299 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9302 if (p >= (int) BlackPawn) {
9303 p -= (int)BlackPawn;
9304 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9305 /* in Shogi restore piece to its original first */
9306 captured = (ChessSquare) (DEMOTED captured);
9309 p = PieceToNumber((ChessSquare)p);
9310 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9311 board[p][BOARD_WIDTH-2]++;
9312 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9314 p -= (int)WhitePawn;
9315 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9316 captured = (ChessSquare) (DEMOTED captured);
9319 p = PieceToNumber((ChessSquare)p);
9320 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9321 board[BOARD_HEIGHT-1-p][1]++;
9322 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9325 } else if (gameInfo.variant == VariantAtomic) {
9326 if (captured != EmptySquare) {
9328 for (y = toY-1; y <= toY+1; y++) {
9329 for (x = toX-1; x <= toX+1; x++) {
9330 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9331 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9332 board[y][x] = EmptySquare;
9336 board[toY][toX] = EmptySquare;
9339 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9340 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9342 if(promoChar == '+') {
9343 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9344 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9345 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9346 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9348 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9349 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9350 // [HGM] superchess: take promotion piece out of holdings
9351 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9352 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9353 if(!--board[k][BOARD_WIDTH-2])
9354 board[k][BOARD_WIDTH-1] = EmptySquare;
9356 if(!--board[BOARD_HEIGHT-1-k][1])
9357 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9363 /* Updates forwardMostMove */
9365 MakeMove(fromX, fromY, toX, toY, promoChar)
9366 int fromX, fromY, toX, toY;
9369 // forwardMostMove++; // [HGM] bare: moved downstream
9371 (void) CoordsToAlgebraic(boards[forwardMostMove],
9372 PosFlags(forwardMostMove),
9373 fromY, fromX, toY, toX, promoChar,
9374 parseList[forwardMostMove]);
9376 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9377 int timeLeft; static int lastLoadFlag=0; int king, piece;
9378 piece = boards[forwardMostMove][fromY][fromX];
9379 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9380 if(gameInfo.variant == VariantKnightmate)
9381 king += (int) WhiteUnicorn - (int) WhiteKing;
9382 if(forwardMostMove == 0) {
9383 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9384 fprintf(serverMoves, "%s;", UserName());
9385 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9386 fprintf(serverMoves, "%s;", second.tidy);
9387 fprintf(serverMoves, "%s;", first.tidy);
9388 if(gameMode == MachinePlaysWhite)
9389 fprintf(serverMoves, "%s;", UserName());
9390 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9391 fprintf(serverMoves, "%s;", second.tidy);
9392 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9393 lastLoadFlag = loadFlag;
9395 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9396 // print castling suffix
9397 if( toY == fromY && piece == king ) {
9399 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9401 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9404 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9405 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9406 boards[forwardMostMove][toY][toX] == EmptySquare
9407 && fromX != toX && fromY != toY)
9408 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9410 if(promoChar != NULLCHAR)
9411 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9413 char buf[MOVE_LEN*2], *p; int len;
9414 fprintf(serverMoves, "/%d/%d",
9415 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9416 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9417 else timeLeft = blackTimeRemaining/1000;
9418 fprintf(serverMoves, "/%d", timeLeft);
9419 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9420 if(p = strchr(buf, '=')) *p = NULLCHAR;
9421 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9422 fprintf(serverMoves, "/%s", buf);
9424 fflush(serverMoves);
9427 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9428 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9431 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9432 if (commentList[forwardMostMove+1] != NULL) {
9433 free(commentList[forwardMostMove+1]);
9434 commentList[forwardMostMove+1] = NULL;
9436 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9437 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9438 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9439 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9440 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9441 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9442 adjustedClock = FALSE;
9443 gameInfo.result = GameUnfinished;
9444 if (gameInfo.resultDetails != NULL) {
9445 free(gameInfo.resultDetails);
9446 gameInfo.resultDetails = NULL;
9448 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9449 moveList[forwardMostMove - 1]);
9450 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9456 if(gameInfo.variant != VariantShogi)
9457 strcat(parseList[forwardMostMove - 1], "+");
9461 strcat(parseList[forwardMostMove - 1], "#");
9464 if (appData.debugMode) {
9465 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9470 /* Updates currentMove if not pausing */
9472 ShowMove(fromX, fromY, toX, toY)
9474 int instant = (gameMode == PlayFromGameFile) ?
9475 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9476 if(appData.noGUI) return;
9477 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9479 if (forwardMostMove == currentMove + 1) {
9480 AnimateMove(boards[forwardMostMove - 1],
9481 fromX, fromY, toX, toY);
9483 if (appData.highlightLastMove) {
9484 SetHighlights(fromX, fromY, toX, toY);
9487 currentMove = forwardMostMove;
9490 if (instant) return;
9492 DisplayMove(currentMove - 1);
9493 DrawPosition(FALSE, boards[currentMove]);
9494 DisplayBothClocks();
9495 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9498 void SendEgtPath(ChessProgramState *cps)
9499 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9500 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9502 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9505 char c, *q = name+1, *r, *s;
9507 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9508 while(*p && *p != ',') *q++ = *p++;
9510 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9511 strcmp(name, ",nalimov:") == 0 ) {
9512 // take nalimov path from the menu-changeable option first, if it is defined
9513 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9514 SendToProgram(buf,cps); // send egtbpath command for nalimov
9516 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9517 (s = StrStr(appData.egtFormats, name)) != NULL) {
9518 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9519 s = r = StrStr(s, ":") + 1; // beginning of path info
9520 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9521 c = *r; *r = 0; // temporarily null-terminate path info
9522 *--q = 0; // strip of trailig ':' from name
9523 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9525 SendToProgram(buf,cps); // send egtbpath command for this format
9527 if(*p == ',') p++; // read away comma to position for next format name
9532 InitChessProgram(cps, setup)
9533 ChessProgramState *cps;
9534 int setup; /* [HGM] needed to setup FRC opening position */
9536 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9537 if (appData.noChessProgram) return;
9538 hintRequested = FALSE;
9539 bookRequested = FALSE;
9541 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9542 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9543 if(cps->memSize) { /* [HGM] memory */
9544 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9545 SendToProgram(buf, cps);
9547 SendEgtPath(cps); /* [HGM] EGT */
9548 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9549 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9550 SendToProgram(buf, cps);
9553 SendToProgram(cps->initString, cps);
9554 if (gameInfo.variant != VariantNormal &&
9555 gameInfo.variant != VariantLoadable
9556 /* [HGM] also send variant if board size non-standard */
9557 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9559 char *v = VariantName(gameInfo.variant);
9560 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9561 /* [HGM] in protocol 1 we have to assume all variants valid */
9562 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9563 DisplayFatalError(buf, 0, 1);
9567 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9568 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9569 if( gameInfo.variant == VariantXiangqi )
9570 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9571 if( gameInfo.variant == VariantShogi )
9572 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9573 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9574 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9575 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9576 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9577 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9578 if( gameInfo.variant == VariantCourier )
9579 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9580 if( gameInfo.variant == VariantSuper )
9581 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9582 if( gameInfo.variant == VariantGreat )
9583 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9584 if( gameInfo.variant == VariantSChess )
9585 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9586 if( gameInfo.variant == VariantGrand )
9587 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9590 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9591 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9592 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9593 if(StrStr(cps->variants, b) == NULL) {
9594 // specific sized variant not known, check if general sizing allowed
9595 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9596 if(StrStr(cps->variants, "boardsize") == NULL) {
9597 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9598 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9599 DisplayFatalError(buf, 0, 1);
9602 /* [HGM] here we really should compare with the maximum supported board size */
9605 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9606 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9607 SendToProgram(buf, cps);
9609 currentlyInitializedVariant = gameInfo.variant;
9611 /* [HGM] send opening position in FRC to first engine */
9613 SendToProgram("force\n", cps);
9615 /* engine is now in force mode! Set flag to wake it up after first move. */
9616 setboardSpoiledMachineBlack = 1;
9620 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9621 SendToProgram(buf, cps);
9623 cps->maybeThinking = FALSE;
9624 cps->offeredDraw = 0;
9625 if (!appData.icsActive) {
9626 SendTimeControl(cps, movesPerSession, timeControl,
9627 timeIncrement, appData.searchDepth,
9630 if (appData.showThinking
9631 // [HGM] thinking: four options require thinking output to be sent
9632 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9634 SendToProgram("post\n", cps);
9636 SendToProgram("hard\n", cps);
9637 if (!appData.ponderNextMove) {
9638 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9639 it without being sure what state we are in first. "hard"
9640 is not a toggle, so that one is OK.
9642 SendToProgram("easy\n", cps);
9645 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9646 SendToProgram(buf, cps);
9648 cps->initDone = TRUE;
9649 ClearEngineOutputPane(cps == &second);
9654 StartChessProgram(cps)
9655 ChessProgramState *cps;
9660 if (appData.noChessProgram) return;
9661 cps->initDone = FALSE;
9663 if (strcmp(cps->host, "localhost") == 0) {
9664 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9665 } else if (*appData.remoteShell == NULLCHAR) {
9666 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9668 if (*appData.remoteUser == NULLCHAR) {
9669 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9672 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9673 cps->host, appData.remoteUser, cps->program);
9675 err = StartChildProcess(buf, "", &cps->pr);
9679 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9680 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9681 if(cps != &first) return;
9682 appData.noChessProgram = TRUE;
9685 // DisplayFatalError(buf, err, 1);
9686 // cps->pr = NoProc;
9691 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9692 if (cps->protocolVersion > 1) {
9693 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9694 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9695 cps->comboCnt = 0; // and values of combo boxes
9696 SendToProgram(buf, cps);
9698 SendToProgram("xboard\n", cps);
9703 TwoMachinesEventIfReady P((void))
9705 static int curMess = 0;
9706 if (first.lastPing != first.lastPong) {
9707 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9708 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9711 if (second.lastPing != second.lastPong) {
9712 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9713 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9716 DisplayMessage("", ""); curMess = 0;
9722 MakeName(char *template)
9726 static char buf[MSG_SIZ];
9730 clock = time((time_t *)NULL);
9731 tm = localtime(&clock);
9733 while(*p++ = *template++) if(p[-1] == '%') {
9734 switch(*template++) {
9735 case 0: *p = 0; return buf;
9736 case 'Y': i = tm->tm_year+1900; break;
9737 case 'y': i = tm->tm_year-100; break;
9738 case 'M': i = tm->tm_mon+1; break;
9739 case 'd': i = tm->tm_mday; break;
9740 case 'h': i = tm->tm_hour; break;
9741 case 'm': i = tm->tm_min; break;
9742 case 's': i = tm->tm_sec; break;
9745 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9751 CountPlayers(char *p)
9754 while(p = strchr(p, '\n')) p++, n++; // count participants
9759 WriteTourneyFile(char *results, FILE *f)
9760 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9761 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9762 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9763 // create a file with tournament description
9764 fprintf(f, "-participants {%s}\n", appData.participants);
9765 fprintf(f, "-seedBase %d\n", appData.seedBase);
9766 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9767 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9768 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9769 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9770 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9771 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9772 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9773 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9774 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9775 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9776 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9777 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9779 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9781 fprintf(f, "-mps %d\n", appData.movesPerSession);
9782 fprintf(f, "-tc %s\n", appData.timeControl);
9783 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9785 fprintf(f, "-results \"%s\"\n", results);
9790 #define MAXENGINES 1000
9791 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9793 void Substitute(char *participants, int expunge)
9795 int i, changed, changes=0, nPlayers=0;
9796 char *p, *q, *r, buf[MSG_SIZ];
9797 if(participants == NULL) return;
9798 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9799 r = p = participants; q = appData.participants;
9800 while(*p && *p == *q) {
9801 if(*p == '\n') r = p+1, nPlayers++;
9804 if(*p) { // difference
9805 while(*p && *p++ != '\n');
9806 while(*q && *q++ != '\n');
9808 changes = 1 + (strcmp(p, q) != 0);
9810 if(changes == 1) { // a single engine mnemonic was changed
9811 q = r; while(*q) nPlayers += (*q++ == '\n');
9812 p = buf; while(*r && (*p = *r++) != '\n') p++;
9814 NamesToList(firstChessProgramNames, command, mnemonic);
9815 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9816 if(mnemonic[i]) { // The substitute is valid
9818 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9819 flock(fileno(f), LOCK_EX);
9820 ParseArgsFromFile(f);
9821 fseek(f, 0, SEEK_SET);
9822 FREE(appData.participants); appData.participants = participants;
9823 if(expunge) { // erase results of replaced engine
9824 int len = strlen(appData.results), w, b, dummy;
9825 for(i=0; i<len; i++) {
9826 Pairing(i, nPlayers, &w, &b, &dummy);
9827 if((w == changed || b == changed) && appData.results[i] == '*') {
9828 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9833 for(i=0; i<len; i++) {
9834 Pairing(i, nPlayers, &w, &b, &dummy);
9835 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9838 WriteTourneyFile(appData.results, f);
9839 fclose(f); // release lock
9842 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9844 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9845 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9851 CreateTourney(char *name)
9854 if(matchMode && strcmp(name, appData.tourneyFile)) {
9855 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9857 if(name[0] == NULLCHAR) {
9858 if(appData.participants[0])
9859 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9862 f = fopen(name, "r");
9863 if(f) { // file exists
9864 ASSIGN(appData.tourneyFile, name);
9865 ParseArgsFromFile(f); // parse it
9867 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9868 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9869 DisplayError(_("Not enough participants"), 0);
9872 ASSIGN(appData.tourneyFile, name);
9873 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9874 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9877 appData.noChessProgram = FALSE;
9878 appData.clockMode = TRUE;
9883 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9885 char buf[MSG_SIZ], *p, *q;
9889 while(*p && *p != '\n') *q++ = *p++;
9891 if(engineList[i]) free(engineList[i]);
9892 engineList[i] = strdup(buf);
9894 TidyProgramName(engineList[i], "localhost", buf);
9895 if(engineMnemonic[i]) free(engineMnemonic[i]);
9896 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9898 sscanf(q + 8, "%s", buf + strlen(buf));
9901 engineMnemonic[i] = strdup(buf);
9903 if(i > MAXENGINES - 2) break;
9905 engineList[i] = engineMnemonic[i] = NULL;
9908 // following implemented as macro to avoid type limitations
9909 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9911 void SwapEngines(int n)
9912 { // swap settings for first engine and other engine (so far only some selected options)
9917 SWAP(chessProgram, p)
9919 SWAP(hasOwnBookUCI, h)
9920 SWAP(protocolVersion, h)
9922 SWAP(scoreIsAbsolute, h)
9930 SetPlayer(int player)
9931 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9933 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9934 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9935 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9936 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9938 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9939 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9940 appData.firstHasOwnBookUCI = !appData.defNoBook;
9941 ParseArgsFromString(buf);
9947 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9948 { // determine players from game number
9949 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9951 if(appData.tourneyType == 0) {
9952 roundsPerCycle = (nPlayers - 1) | 1;
9953 pairingsPerRound = nPlayers / 2;
9954 } else if(appData.tourneyType > 0) {
9955 roundsPerCycle = nPlayers - appData.tourneyType;
9956 pairingsPerRound = appData.tourneyType;
9958 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9959 gamesPerCycle = gamesPerRound * roundsPerCycle;
9960 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9961 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9962 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9963 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9964 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9965 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9967 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9968 if(appData.roundSync) *syncInterval = gamesPerRound;
9970 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9972 if(appData.tourneyType == 0) {
9973 if(curPairing == (nPlayers-1)/2 ) {
9974 *whitePlayer = curRound;
9975 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9977 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9978 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9979 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9980 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9982 } else if(appData.tourneyType > 0) {
9983 *whitePlayer = curPairing;
9984 *blackPlayer = curRound + appData.tourneyType;
9987 // take care of white/black alternation per round.
9988 // For cycles and games this is already taken care of by default, derived from matchGame!
9989 return curRound & 1;
9993 NextTourneyGame(int nr, int *swapColors)
9994 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9996 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
9998 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
9999 tf = fopen(appData.tourneyFile, "r");
10000 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10001 ParseArgsFromFile(tf); fclose(tf);
10002 InitTimeControls(); // TC might be altered from tourney file
10004 nPlayers = CountPlayers(appData.participants); // count participants
10005 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10006 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10009 p = q = appData.results;
10010 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10011 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10012 DisplayMessage(_("Waiting for other game(s)"),"");
10013 waitingForGame = TRUE;
10014 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10017 waitingForGame = FALSE;
10020 if(appData.tourneyType < 0) {
10021 if(nr>=0 && !pairingReceived) {
10023 if(pairing.pr == NoProc) {
10024 if(!appData.pairingEngine[0]) {
10025 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10028 StartChessProgram(&pairing); // starts the pairing engine
10030 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10031 SendToProgram(buf, &pairing);
10032 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10033 SendToProgram(buf, &pairing);
10034 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10036 pairingReceived = 0; // ... so we continue here
10038 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10039 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10040 matchGame = 1; roundNr = nr / syncInterval + 1;
10043 if(first.pr != NoProc || second.pr != NoProc) return 1; // engines already loaded
10045 // redefine engines, engine dir, etc.
10046 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
10047 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
10049 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
10050 SwapEngines(1); // and make that valid for second engine by swapping
10051 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10052 InitEngine(&second, 1);
10053 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10054 UpdateLogos(FALSE); // leave display to ModeHiglight()
10060 { // performs game initialization that does not invoke engines, and then tries to start the game
10061 int res, firstWhite, swapColors = 0;
10062 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10063 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10064 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10065 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10066 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10067 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10068 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10069 Reset(FALSE, first.pr != NoProc);
10070 res = LoadGameOrPosition(matchGame); // setup game
10071 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10072 if(!res) return; // abort when bad game/pos file
10073 TwoMachinesEvent();
10076 void UserAdjudicationEvent( int result )
10078 ChessMove gameResult = GameIsDrawn;
10081 gameResult = WhiteWins;
10083 else if( result < 0 ) {
10084 gameResult = BlackWins;
10087 if( gameMode == TwoMachinesPlay ) {
10088 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10093 // [HGM] save: calculate checksum of game to make games easily identifiable
10094 int StringCheckSum(char *s)
10097 if(s==NULL) return 0;
10098 while(*s) i = i*259 + *s++;
10105 for(i=backwardMostMove; i<forwardMostMove; i++) {
10106 sum += pvInfoList[i].depth;
10107 sum += StringCheckSum(parseList[i]);
10108 sum += StringCheckSum(commentList[i]);
10111 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10112 return sum + StringCheckSum(commentList[i]);
10113 } // end of save patch
10116 GameEnds(result, resultDetails, whosays)
10118 char *resultDetails;
10121 GameMode nextGameMode;
10123 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10125 if(endingGame) return; /* [HGM] crash: forbid recursion */
10127 if(twoBoards) { // [HGM] dual: switch back to one board
10128 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10129 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10131 if (appData.debugMode) {
10132 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10133 result, resultDetails ? resultDetails : "(null)", whosays);
10136 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10138 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10139 /* If we are playing on ICS, the server decides when the
10140 game is over, but the engine can offer to draw, claim
10144 if (appData.zippyPlay && first.initDone) {
10145 if (result == GameIsDrawn) {
10146 /* In case draw still needs to be claimed */
10147 SendToICS(ics_prefix);
10148 SendToICS("draw\n");
10149 } else if (StrCaseStr(resultDetails, "resign")) {
10150 SendToICS(ics_prefix);
10151 SendToICS("resign\n");
10155 endingGame = 0; /* [HGM] crash */
10159 /* If we're loading the game from a file, stop */
10160 if (whosays == GE_FILE) {
10161 (void) StopLoadGameTimer();
10165 /* Cancel draw offers */
10166 first.offeredDraw = second.offeredDraw = 0;
10168 /* If this is an ICS game, only ICS can really say it's done;
10169 if not, anyone can. */
10170 isIcsGame = (gameMode == IcsPlayingWhite ||
10171 gameMode == IcsPlayingBlack ||
10172 gameMode == IcsObserving ||
10173 gameMode == IcsExamining);
10175 if (!isIcsGame || whosays == GE_ICS) {
10176 /* OK -- not an ICS game, or ICS said it was done */
10178 if (!isIcsGame && !appData.noChessProgram)
10179 SetUserThinkingEnables();
10181 /* [HGM] if a machine claims the game end we verify this claim */
10182 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10183 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10185 ChessMove trueResult = (ChessMove) -1;
10187 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10188 first.twoMachinesColor[0] :
10189 second.twoMachinesColor[0] ;
10191 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10192 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10193 /* [HGM] verify: engine mate claims accepted if they were flagged */
10194 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10196 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10197 /* [HGM] verify: engine mate claims accepted if they were flagged */
10198 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10200 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10201 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10204 // now verify win claims, but not in drop games, as we don't understand those yet
10205 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10206 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10207 (result == WhiteWins && claimer == 'w' ||
10208 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10209 if (appData.debugMode) {
10210 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10211 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10213 if(result != trueResult) {
10214 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10215 result = claimer == 'w' ? BlackWins : WhiteWins;
10216 resultDetails = buf;
10219 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10220 && (forwardMostMove <= backwardMostMove ||
10221 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10222 (claimer=='b')==(forwardMostMove&1))
10224 /* [HGM] verify: draws that were not flagged are false claims */
10225 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10226 result = claimer == 'w' ? BlackWins : WhiteWins;
10227 resultDetails = buf;
10229 /* (Claiming a loss is accepted no questions asked!) */
10231 /* [HGM] bare: don't allow bare King to win */
10232 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10233 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10234 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10235 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10236 && result != GameIsDrawn)
10237 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10238 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10239 int p = (signed char)boards[forwardMostMove][i][j] - color;
10240 if(p >= 0 && p <= (int)WhiteKing) k++;
10242 if (appData.debugMode) {
10243 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10244 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10247 result = GameIsDrawn;
10248 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10249 resultDetails = buf;
10255 if(serverMoves != NULL && !loadFlag) { char c = '=';
10256 if(result==WhiteWins) c = '+';
10257 if(result==BlackWins) c = '-';
10258 if(resultDetails != NULL)
10259 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10261 if (resultDetails != NULL) {
10262 gameInfo.result = result;
10263 gameInfo.resultDetails = StrSave(resultDetails);
10265 /* display last move only if game was not loaded from file */
10266 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10267 DisplayMove(currentMove - 1);
10269 if (forwardMostMove != 0) {
10270 if (gameMode != PlayFromGameFile && gameMode != EditGame
10271 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10273 if (*appData.saveGameFile != NULLCHAR) {
10274 SaveGameToFile(appData.saveGameFile, TRUE);
10275 } else if (appData.autoSaveGames) {
10278 if (*appData.savePositionFile != NULLCHAR) {
10279 SavePositionToFile(appData.savePositionFile);
10284 /* Tell program how game ended in case it is learning */
10285 /* [HGM] Moved this to after saving the PGN, just in case */
10286 /* engine died and we got here through time loss. In that */
10287 /* case we will get a fatal error writing the pipe, which */
10288 /* would otherwise lose us the PGN. */
10289 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10290 /* output during GameEnds should never be fatal anymore */
10291 if (gameMode == MachinePlaysWhite ||
10292 gameMode == MachinePlaysBlack ||
10293 gameMode == TwoMachinesPlay ||
10294 gameMode == IcsPlayingWhite ||
10295 gameMode == IcsPlayingBlack ||
10296 gameMode == BeginningOfGame) {
10298 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10300 if (first.pr != NoProc) {
10301 SendToProgram(buf, &first);
10303 if (second.pr != NoProc &&
10304 gameMode == TwoMachinesPlay) {
10305 SendToProgram(buf, &second);
10310 if (appData.icsActive) {
10311 if (appData.quietPlay &&
10312 (gameMode == IcsPlayingWhite ||
10313 gameMode == IcsPlayingBlack)) {
10314 SendToICS(ics_prefix);
10315 SendToICS("set shout 1\n");
10317 nextGameMode = IcsIdle;
10318 ics_user_moved = FALSE;
10319 /* clean up premove. It's ugly when the game has ended and the
10320 * premove highlights are still on the board.
10323 gotPremove = FALSE;
10324 ClearPremoveHighlights();
10325 DrawPosition(FALSE, boards[currentMove]);
10327 if (whosays == GE_ICS) {
10330 if (gameMode == IcsPlayingWhite)
10332 else if(gameMode == IcsPlayingBlack)
10333 PlayIcsLossSound();
10336 if (gameMode == IcsPlayingBlack)
10338 else if(gameMode == IcsPlayingWhite)
10339 PlayIcsLossSound();
10342 PlayIcsDrawSound();
10345 PlayIcsUnfinishedSound();
10348 } else if (gameMode == EditGame ||
10349 gameMode == PlayFromGameFile ||
10350 gameMode == AnalyzeMode ||
10351 gameMode == AnalyzeFile) {
10352 nextGameMode = gameMode;
10354 nextGameMode = EndOfGame;
10359 nextGameMode = gameMode;
10362 if (appData.noChessProgram) {
10363 gameMode = nextGameMode;
10365 endingGame = 0; /* [HGM] crash */
10370 /* Put first chess program into idle state */
10371 if (first.pr != NoProc &&
10372 (gameMode == MachinePlaysWhite ||
10373 gameMode == MachinePlaysBlack ||
10374 gameMode == TwoMachinesPlay ||
10375 gameMode == IcsPlayingWhite ||
10376 gameMode == IcsPlayingBlack ||
10377 gameMode == BeginningOfGame)) {
10378 SendToProgram("force\n", &first);
10379 if (first.usePing) {
10381 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10382 SendToProgram(buf, &first);
10385 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10386 /* Kill off first chess program */
10387 if (first.isr != NULL)
10388 RemoveInputSource(first.isr);
10391 if (first.pr != NoProc) {
10393 DoSleep( appData.delayBeforeQuit );
10394 SendToProgram("quit\n", &first);
10395 DoSleep( appData.delayAfterQuit );
10396 DestroyChildProcess(first.pr, first.useSigterm);
10400 if (second.reuse) {
10401 /* Put second chess program into idle state */
10402 if (second.pr != NoProc &&
10403 gameMode == TwoMachinesPlay) {
10404 SendToProgram("force\n", &second);
10405 if (second.usePing) {
10407 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10408 SendToProgram(buf, &second);
10411 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10412 /* Kill off second chess program */
10413 if (second.isr != NULL)
10414 RemoveInputSource(second.isr);
10417 if (second.pr != NoProc) {
10418 DoSleep( appData.delayBeforeQuit );
10419 SendToProgram("quit\n", &second);
10420 DoSleep( appData.delayAfterQuit );
10421 DestroyChildProcess(second.pr, second.useSigterm);
10423 second.pr = NoProc;
10426 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10427 char resChar = '=';
10431 if (first.twoMachinesColor[0] == 'w') {
10434 second.matchWins++;
10439 if (first.twoMachinesColor[0] == 'b') {
10442 second.matchWins++;
10445 case GameUnfinished:
10451 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10452 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10453 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10454 ReserveGame(nextGame, resChar); // sets nextGame
10455 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10456 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10457 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10459 if (nextGame <= appData.matchGames && !abortMatch) {
10460 gameMode = nextGameMode;
10461 matchGame = nextGame; // this will be overruled in tourney mode!
10462 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10463 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10464 endingGame = 0; /* [HGM] crash */
10467 gameMode = nextGameMode;
10468 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10469 first.tidy, second.tidy,
10470 first.matchWins, second.matchWins,
10471 appData.matchGames - (first.matchWins + second.matchWins));
10472 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10473 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10474 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10475 first.twoMachinesColor = "black\n";
10476 second.twoMachinesColor = "white\n";
10478 first.twoMachinesColor = "white\n";
10479 second.twoMachinesColor = "black\n";
10483 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10484 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10486 gameMode = nextGameMode;
10488 endingGame = 0; /* [HGM] crash */
10489 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10490 if(matchMode == TRUE) { // match through command line: exit with or without popup
10492 ToNrEvent(forwardMostMove);
10493 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10495 } else DisplayFatalError(buf, 0, 0);
10496 } else { // match through menu; just stop, with or without popup
10497 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10500 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10501 } else DisplayNote(buf);
10503 if(ranking) free(ranking);
10507 /* Assumes program was just initialized (initString sent).
10508 Leaves program in force mode. */
10510 FeedMovesToProgram(cps, upto)
10511 ChessProgramState *cps;
10516 if (appData.debugMode)
10517 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10518 startedFromSetupPosition ? "position and " : "",
10519 backwardMostMove, upto, cps->which);
10520 if(currentlyInitializedVariant != gameInfo.variant) {
10522 // [HGM] variantswitch: make engine aware of new variant
10523 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10524 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10525 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10526 SendToProgram(buf, cps);
10527 currentlyInitializedVariant = gameInfo.variant;
10529 SendToProgram("force\n", cps);
10530 if (startedFromSetupPosition) {
10531 SendBoard(cps, backwardMostMove);
10532 if (appData.debugMode) {
10533 fprintf(debugFP, "feedMoves\n");
10536 for (i = backwardMostMove; i < upto; i++) {
10537 SendMoveToProgram(i, cps);
10543 ResurrectChessProgram()
10545 /* The chess program may have exited.
10546 If so, restart it and feed it all the moves made so far. */
10547 static int doInit = 0;
10549 if (appData.noChessProgram) return 1;
10551 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10552 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10553 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10554 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10556 if (first.pr != NoProc) return 1;
10557 StartChessProgram(&first);
10559 InitChessProgram(&first, FALSE);
10560 FeedMovesToProgram(&first, currentMove);
10562 if (!first.sendTime) {
10563 /* can't tell gnuchess what its clock should read,
10564 so we bow to its notion. */
10566 timeRemaining[0][currentMove] = whiteTimeRemaining;
10567 timeRemaining[1][currentMove] = blackTimeRemaining;
10570 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10571 appData.icsEngineAnalyze) && first.analysisSupport) {
10572 SendToProgram("analyze\n", &first);
10573 first.analyzing = TRUE;
10579 * Button procedures
10582 Reset(redraw, init)
10587 if (appData.debugMode) {
10588 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10589 redraw, init, gameMode);
10591 CleanupTail(); // [HGM] vari: delete any stored variations
10592 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10593 pausing = pauseExamInvalid = FALSE;
10594 startedFromSetupPosition = blackPlaysFirst = FALSE;
10596 whiteFlag = blackFlag = FALSE;
10597 userOfferedDraw = FALSE;
10598 hintRequested = bookRequested = FALSE;
10599 first.maybeThinking = FALSE;
10600 second.maybeThinking = FALSE;
10601 first.bookSuspend = FALSE; // [HGM] book
10602 second.bookSuspend = FALSE;
10603 thinkOutput[0] = NULLCHAR;
10604 lastHint[0] = NULLCHAR;
10605 ClearGameInfo(&gameInfo);
10606 gameInfo.variant = StringToVariant(appData.variant);
10607 ics_user_moved = ics_clock_paused = FALSE;
10608 ics_getting_history = H_FALSE;
10610 white_holding[0] = black_holding[0] = NULLCHAR;
10611 ClearProgramStats();
10612 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10616 flipView = appData.flipView;
10617 ClearPremoveHighlights();
10618 gotPremove = FALSE;
10619 alarmSounded = FALSE;
10621 GameEnds(EndOfFile, NULL, GE_PLAYER);
10622 if(appData.serverMovesName != NULL) {
10623 /* [HGM] prepare to make moves file for broadcasting */
10624 clock_t t = clock();
10625 if(serverMoves != NULL) fclose(serverMoves);
10626 serverMoves = fopen(appData.serverMovesName, "r");
10627 if(serverMoves != NULL) {
10628 fclose(serverMoves);
10629 /* delay 15 sec before overwriting, so all clients can see end */
10630 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10632 serverMoves = fopen(appData.serverMovesName, "w");
10636 gameMode = BeginningOfGame;
10638 if(appData.icsActive) gameInfo.variant = VariantNormal;
10639 currentMove = forwardMostMove = backwardMostMove = 0;
10640 InitPosition(redraw);
10641 for (i = 0; i < MAX_MOVES; i++) {
10642 if (commentList[i] != NULL) {
10643 free(commentList[i]);
10644 commentList[i] = NULL;
10648 timeRemaining[0][0] = whiteTimeRemaining;
10649 timeRemaining[1][0] = blackTimeRemaining;
10651 if (first.pr == NoProc) {
10652 StartChessProgram(&first);
10655 InitChessProgram(&first, startedFromSetupPosition);
10658 DisplayMessage("", "");
10659 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10660 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10667 if (!AutoPlayOneMove())
10669 if (matchMode || appData.timeDelay == 0)
10671 if (appData.timeDelay < 0)
10673 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10682 int fromX, fromY, toX, toY;
10684 if (appData.debugMode) {
10685 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10688 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10691 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10692 pvInfoList[currentMove].depth = programStats.depth;
10693 pvInfoList[currentMove].score = programStats.score;
10694 pvInfoList[currentMove].time = 0;
10695 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10698 if (currentMove >= forwardMostMove) {
10699 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10700 // gameMode = EndOfGame;
10701 // ModeHighlight();
10703 /* [AS] Clear current move marker at the end of a game */
10704 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10709 toX = moveList[currentMove][2] - AAA;
10710 toY = moveList[currentMove][3] - ONE;
10712 if (moveList[currentMove][1] == '@') {
10713 if (appData.highlightLastMove) {
10714 SetHighlights(-1, -1, toX, toY);
10717 fromX = moveList[currentMove][0] - AAA;
10718 fromY = moveList[currentMove][1] - ONE;
10720 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10722 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10724 if (appData.highlightLastMove) {
10725 SetHighlights(fromX, fromY, toX, toY);
10728 DisplayMove(currentMove);
10729 SendMoveToProgram(currentMove++, &first);
10730 DisplayBothClocks();
10731 DrawPosition(FALSE, boards[currentMove]);
10732 // [HGM] PV info: always display, routine tests if empty
10733 DisplayComment(currentMove - 1, commentList[currentMove]);
10739 LoadGameOneMove(readAhead)
10740 ChessMove readAhead;
10742 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10743 char promoChar = NULLCHAR;
10744 ChessMove moveType;
10745 char move[MSG_SIZ];
10748 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10749 gameMode != AnalyzeMode && gameMode != Training) {
10754 yyboardindex = forwardMostMove;
10755 if (readAhead != EndOfFile) {
10756 moveType = readAhead;
10758 if (gameFileFP == NULL)
10760 moveType = (ChessMove) Myylex();
10764 switch (moveType) {
10766 if (appData.debugMode)
10767 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10770 /* append the comment but don't display it */
10771 AppendComment(currentMove, p, FALSE);
10774 case WhiteCapturesEnPassant:
10775 case BlackCapturesEnPassant:
10776 case WhitePromotion:
10777 case BlackPromotion:
10778 case WhiteNonPromotion:
10779 case BlackNonPromotion:
10781 case WhiteKingSideCastle:
10782 case WhiteQueenSideCastle:
10783 case BlackKingSideCastle:
10784 case BlackQueenSideCastle:
10785 case WhiteKingSideCastleWild:
10786 case WhiteQueenSideCastleWild:
10787 case BlackKingSideCastleWild:
10788 case BlackQueenSideCastleWild:
10790 case WhiteHSideCastleFR:
10791 case WhiteASideCastleFR:
10792 case BlackHSideCastleFR:
10793 case BlackASideCastleFR:
10795 if (appData.debugMode)
10796 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10797 fromX = currentMoveString[0] - AAA;
10798 fromY = currentMoveString[1] - ONE;
10799 toX = currentMoveString[2] - AAA;
10800 toY = currentMoveString[3] - ONE;
10801 promoChar = currentMoveString[4];
10806 if (appData.debugMode)
10807 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10808 fromX = moveType == WhiteDrop ?
10809 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10810 (int) CharToPiece(ToLower(currentMoveString[0]));
10812 toX = currentMoveString[2] - AAA;
10813 toY = currentMoveString[3] - ONE;
10819 case GameUnfinished:
10820 if (appData.debugMode)
10821 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10822 p = strchr(yy_text, '{');
10823 if (p == NULL) p = strchr(yy_text, '(');
10826 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10828 q = strchr(p, *p == '{' ? '}' : ')');
10829 if (q != NULL) *q = NULLCHAR;
10832 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10833 GameEnds(moveType, p, GE_FILE);
10835 if (cmailMsgLoaded) {
10837 flipView = WhiteOnMove(currentMove);
10838 if (moveType == GameUnfinished) flipView = !flipView;
10839 if (appData.debugMode)
10840 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10845 if (appData.debugMode)
10846 fprintf(debugFP, "Parser hit end of file\n");
10847 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10853 if (WhiteOnMove(currentMove)) {
10854 GameEnds(BlackWins, "Black mates", GE_FILE);
10856 GameEnds(WhiteWins, "White mates", GE_FILE);
10860 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10866 case MoveNumberOne:
10867 if (lastLoadGameStart == GNUChessGame) {
10868 /* GNUChessGames have numbers, but they aren't move numbers */
10869 if (appData.debugMode)
10870 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10871 yy_text, (int) moveType);
10872 return LoadGameOneMove(EndOfFile); /* tail recursion */
10874 /* else fall thru */
10879 /* Reached start of next game in file */
10880 if (appData.debugMode)
10881 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10882 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10888 if (WhiteOnMove(currentMove)) {
10889 GameEnds(BlackWins, "Black mates", GE_FILE);
10891 GameEnds(WhiteWins, "White mates", GE_FILE);
10895 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10901 case PositionDiagram: /* should not happen; ignore */
10902 case ElapsedTime: /* ignore */
10903 case NAG: /* ignore */
10904 if (appData.debugMode)
10905 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10906 yy_text, (int) moveType);
10907 return LoadGameOneMove(EndOfFile); /* tail recursion */
10910 if (appData.testLegality) {
10911 if (appData.debugMode)
10912 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10913 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10914 (forwardMostMove / 2) + 1,
10915 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10916 DisplayError(move, 0);
10919 if (appData.debugMode)
10920 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10921 yy_text, currentMoveString);
10922 fromX = currentMoveString[0] - AAA;
10923 fromY = currentMoveString[1] - ONE;
10924 toX = currentMoveString[2] - AAA;
10925 toY = currentMoveString[3] - ONE;
10926 promoChar = currentMoveString[4];
10930 case AmbiguousMove:
10931 if (appData.debugMode)
10932 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10933 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10934 (forwardMostMove / 2) + 1,
10935 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10936 DisplayError(move, 0);
10941 case ImpossibleMove:
10942 if (appData.debugMode)
10943 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10944 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10945 (forwardMostMove / 2) + 1,
10946 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10947 DisplayError(move, 0);
10953 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10954 DrawPosition(FALSE, boards[currentMove]);
10955 DisplayBothClocks();
10956 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10957 DisplayComment(currentMove - 1, commentList[currentMove]);
10959 (void) StopLoadGameTimer();
10961 cmailOldMove = forwardMostMove;
10964 /* currentMoveString is set as a side-effect of yylex */
10966 thinkOutput[0] = NULLCHAR;
10967 MakeMove(fromX, fromY, toX, toY, promoChar);
10968 currentMove = forwardMostMove;
10973 /* Load the nth game from the given file */
10975 LoadGameFromFile(filename, n, title, useList)
10979 /*Boolean*/ int useList;
10984 if (strcmp(filename, "-") == 0) {
10988 f = fopen(filename, "rb");
10990 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10991 DisplayError(buf, errno);
10995 if (fseek(f, 0, 0) == -1) {
10996 /* f is not seekable; probably a pipe */
10999 if (useList && n == 0) {
11000 int error = GameListBuild(f);
11002 DisplayError(_("Cannot build game list"), error);
11003 } else if (!ListEmpty(&gameList) &&
11004 ((ListGame *) gameList.tailPred)->number > 1) {
11005 GameListPopUp(f, title);
11012 return LoadGame(f, n, title, FALSE);
11017 MakeRegisteredMove()
11019 int fromX, fromY, toX, toY;
11021 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11022 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11025 if (appData.debugMode)
11026 fprintf(debugFP, "Restoring %s for game %d\n",
11027 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11029 thinkOutput[0] = NULLCHAR;
11030 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11031 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11032 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11033 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11034 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11035 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11036 MakeMove(fromX, fromY, toX, toY, promoChar);
11037 ShowMove(fromX, fromY, toX, toY);
11039 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11046 if (WhiteOnMove(currentMove)) {
11047 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11049 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11054 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11061 if (WhiteOnMove(currentMove)) {
11062 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11064 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11069 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11080 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11082 CmailLoadGame(f, gameNumber, title, useList)
11090 if (gameNumber > nCmailGames) {
11091 DisplayError(_("No more games in this message"), 0);
11094 if (f == lastLoadGameFP) {
11095 int offset = gameNumber - lastLoadGameNumber;
11097 cmailMsg[0] = NULLCHAR;
11098 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11099 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11100 nCmailMovesRegistered--;
11102 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11103 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11104 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11107 if (! RegisterMove()) return FALSE;
11111 retVal = LoadGame(f, gameNumber, title, useList);
11113 /* Make move registered during previous look at this game, if any */
11114 MakeRegisteredMove();
11116 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11117 commentList[currentMove]
11118 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11119 DisplayComment(currentMove - 1, commentList[currentMove]);
11125 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11130 int gameNumber = lastLoadGameNumber + offset;
11131 if (lastLoadGameFP == NULL) {
11132 DisplayError(_("No game has been loaded yet"), 0);
11135 if (gameNumber <= 0) {
11136 DisplayError(_("Can't back up any further"), 0);
11139 if (cmailMsgLoaded) {
11140 return CmailLoadGame(lastLoadGameFP, gameNumber,
11141 lastLoadGameTitle, lastLoadGameUseList);
11143 return LoadGame(lastLoadGameFP, gameNumber,
11144 lastLoadGameTitle, lastLoadGameUseList);
11148 int keys[EmptySquare+1];
11151 PositionMatches(Board b1, Board b2)
11154 switch(appData.searchMode) {
11155 case 1: return CompareWithRights(b1, b2);
11157 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11158 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11162 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11163 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11164 sum += keys[b1[r][f]] - keys[b2[r][f]];
11168 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11169 sum += keys[b1[r][f]] - keys[b2[r][f]];
11181 int pieceList[256], quickBoard[256];
11182 ChessSquare pieceType[256] = { EmptySquare };
11183 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11184 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11185 int soughtTotal, turn;
11186 Boolean epOK, flipSearch;
11189 unsigned char piece, to;
11192 #define DSIZE (250000)
11194 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11195 Move *moveDatabase = initialSpace;
11196 unsigned int movePtr, dataSize = DSIZE;
11198 int MakePieceList(Board board, int *counts)
11200 int r, f, n=Q_PROMO, total=0;
11201 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11202 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11203 int sq = f + (r<<4);
11204 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11205 quickBoard[sq] = ++n;
11207 pieceType[n] = board[r][f];
11208 counts[board[r][f]]++;
11209 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11210 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11214 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11218 void PackMove(int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11220 int sq = fromX + (fromY<<4);
11221 int piece = quickBoard[sq];
11222 quickBoard[sq] = 0;
11223 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11224 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11225 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11226 moveDatabase[movePtr++].piece = Q_WCASTL;
11227 quickBoard[sq] = piece;
11228 piece = quickBoard[from]; quickBoard[from] = 0;
11229 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11231 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11232 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11233 moveDatabase[movePtr++].piece = Q_BCASTL;
11234 quickBoard[sq] = piece;
11235 piece = quickBoard[from]; quickBoard[from] = 0;
11236 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11238 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11239 quickBoard[(fromY<<4)+toX] = 0;
11240 moveDatabase[movePtr].piece = Q_EP;
11241 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11242 moveDatabase[movePtr].to = sq;
11244 if(promoPiece != pieceType[piece]) {
11245 moveDatabase[movePtr++].piece = Q_PROMO;
11246 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11248 moveDatabase[movePtr].piece = piece;
11249 quickBoard[sq] = piece;
11253 int PackGame(Board board)
11255 Move *newSpace = NULL;
11256 moveDatabase[movePtr].piece = 0; // terminate previous game
11257 if(movePtr > dataSize) {
11258 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11259 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11260 if(dataSize) newSpace = (Move*) calloc(8*dataSize + 1000, sizeof(Move));
11263 Move *p = moveDatabase, *q = newSpace;
11264 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11265 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11266 moveDatabase = newSpace;
11267 } else { // calloc failed, we must be out of memory. Too bad...
11268 dataSize = 0; // prevent calloc events for all subsequent games
11269 return 0; // and signal this one isn't cached
11273 MakePieceList(board, counts);
11277 int QuickCompare(Board board, int *minCounts, int *maxCounts)
11278 { // compare according to search mode
11280 switch(appData.searchMode)
11282 case 1: // exact position match
11283 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11284 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11285 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11288 case 2: // can have extra material on empty squares
11289 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11290 if(board[r][f] == EmptySquare) continue;
11291 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11294 case 3: // material with exact Pawn structure
11295 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11296 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11297 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11298 } // fall through to material comparison
11299 case 4: // exact material
11300 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11302 case 6: // material range with given imbalance
11303 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11304 // fall through to range comparison
11305 case 5: // material range
11306 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11311 int QuickScan(Board board, Move *move)
11312 { // reconstruct game,and compare all positions in it
11313 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11315 int piece = move->piece;
11316 int to = move->to, from = pieceList[piece];
11317 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11318 if(!piece) return -1;
11319 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11320 piece = (++move)->piece;
11321 from = pieceList[piece];
11322 counts[pieceType[piece]]--;
11323 pieceType[piece] = (ChessSquare) move->to;
11324 counts[move->to]++;
11325 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11326 counts[pieceType[quickBoard[to]]]--;
11327 quickBoard[to] = 0; total--;
11330 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11331 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11332 from = pieceList[piece]; // so this must be King
11333 quickBoard[from] = 0;
11334 quickBoard[to] = piece;
11335 pieceList[piece] = to;
11340 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11341 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11342 quickBoard[from] = 0;
11343 quickBoard[to] = piece;
11344 pieceList[piece] = to;
11346 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11347 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11348 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11349 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11351 static int lastCounts[EmptySquare+1];
11353 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11354 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11355 } else stretch = 0;
11356 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11364 flipSearch = FALSE;
11365 CopyBoard(soughtBoard, boards[currentMove]);
11366 soughtTotal = MakePieceList(soughtBoard, maxSought);
11367 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11368 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11369 CopyBoard(reverseBoard, boards[currentMove]);
11370 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11371 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11372 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11373 reverseBoard[r][f] = piece;
11375 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11376 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11377 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11378 || (boards[currentMove][CASTLING][2] == NoRights ||
11379 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11380 && (boards[currentMove][CASTLING][5] == NoRights ||
11381 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11384 CopyBoard(flipBoard, soughtBoard);
11385 CopyBoard(rotateBoard, reverseBoard);
11386 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11387 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11388 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11391 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11392 if(appData.searchMode >= 5) {
11393 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11394 MakePieceList(soughtBoard, minSought);
11395 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11397 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11398 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11401 GameInfo dummyInfo;
11403 int GameContainsPosition(FILE *f, ListGame *lg)
11405 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11406 int fromX, fromY, toX, toY;
11408 static int initDone=FALSE;
11410 // weed out games based on numerical tag comparison
11411 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11412 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11413 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11414 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11416 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11419 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11420 else CopyBoard(boards[scratch], initialPosition); // default start position
11423 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11424 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11427 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11428 fseek(f, lg->offset, 0);
11431 yyboardindex = scratch;
11432 quickFlag = plyNr+1;
11437 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11443 if(plyNr) return -1; // after we have seen moves, this is for new game
11446 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11447 case ImpossibleMove:
11448 case WhiteWins: // game ends here with these four
11451 case GameUnfinished:
11455 if(appData.testLegality) return -1;
11456 case WhiteCapturesEnPassant:
11457 case BlackCapturesEnPassant:
11458 case WhitePromotion:
11459 case BlackPromotion:
11460 case WhiteNonPromotion:
11461 case BlackNonPromotion:
11463 case WhiteKingSideCastle:
11464 case WhiteQueenSideCastle:
11465 case BlackKingSideCastle:
11466 case BlackQueenSideCastle:
11467 case WhiteKingSideCastleWild:
11468 case WhiteQueenSideCastleWild:
11469 case BlackKingSideCastleWild:
11470 case BlackQueenSideCastleWild:
11471 case WhiteHSideCastleFR:
11472 case WhiteASideCastleFR:
11473 case BlackHSideCastleFR:
11474 case BlackASideCastleFR:
11475 fromX = currentMoveString[0] - AAA;
11476 fromY = currentMoveString[1] - ONE;
11477 toX = currentMoveString[2] - AAA;
11478 toY = currentMoveString[3] - ONE;
11479 promoChar = currentMoveString[4];
11483 fromX = next == WhiteDrop ?
11484 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11485 (int) CharToPiece(ToLower(currentMoveString[0]));
11487 toX = currentMoveString[2] - AAA;
11488 toY = currentMoveString[3] - ONE;
11492 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11494 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11495 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11496 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11497 if(appData.findMirror) {
11498 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11499 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11504 /* Load the nth game from open file f */
11506 LoadGame(f, gameNumber, title, useList)
11514 int gn = gameNumber;
11515 ListGame *lg = NULL;
11516 int numPGNTags = 0;
11518 GameMode oldGameMode;
11519 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11521 if (appData.debugMode)
11522 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11524 if (gameMode == Training )
11525 SetTrainingModeOff();
11527 oldGameMode = gameMode;
11528 if (gameMode != BeginningOfGame) {
11529 Reset(FALSE, TRUE);
11533 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11534 fclose(lastLoadGameFP);
11538 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11541 fseek(f, lg->offset, 0);
11542 GameListHighlight(gameNumber);
11543 pos = lg->position;
11547 DisplayError(_("Game number out of range"), 0);
11552 if (fseek(f, 0, 0) == -1) {
11553 if (f == lastLoadGameFP ?
11554 gameNumber == lastLoadGameNumber + 1 :
11558 DisplayError(_("Can't seek on game file"), 0);
11563 lastLoadGameFP = f;
11564 lastLoadGameNumber = gameNumber;
11565 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11566 lastLoadGameUseList = useList;
11570 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11571 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
11572 lg->gameInfo.black);
11574 } else if (*title != NULLCHAR) {
11575 if (gameNumber > 1) {
11576 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11579 DisplayTitle(title);
11583 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11584 gameMode = PlayFromGameFile;
11588 currentMove = forwardMostMove = backwardMostMove = 0;
11589 CopyBoard(boards[0], initialPosition);
11593 * Skip the first gn-1 games in the file.
11594 * Also skip over anything that precedes an identifiable
11595 * start of game marker, to avoid being confused by
11596 * garbage at the start of the file. Currently
11597 * recognized start of game markers are the move number "1",
11598 * the pattern "gnuchess .* game", the pattern
11599 * "^[#;%] [^ ]* game file", and a PGN tag block.
11600 * A game that starts with one of the latter two patterns
11601 * will also have a move number 1, possibly
11602 * following a position diagram.
11603 * 5-4-02: Let's try being more lenient and allowing a game to
11604 * start with an unnumbered move. Does that break anything?
11606 cm = lastLoadGameStart = EndOfFile;
11608 yyboardindex = forwardMostMove;
11609 cm = (ChessMove) Myylex();
11612 if (cmailMsgLoaded) {
11613 nCmailGames = CMAIL_MAX_GAMES - gn;
11616 DisplayError(_("Game not found in file"), 0);
11623 lastLoadGameStart = cm;
11626 case MoveNumberOne:
11627 switch (lastLoadGameStart) {
11632 case MoveNumberOne:
11634 gn--; /* count this game */
11635 lastLoadGameStart = cm;
11644 switch (lastLoadGameStart) {
11647 case MoveNumberOne:
11649 gn--; /* count this game */
11650 lastLoadGameStart = cm;
11653 lastLoadGameStart = cm; /* game counted already */
11661 yyboardindex = forwardMostMove;
11662 cm = (ChessMove) Myylex();
11663 } while (cm == PGNTag || cm == Comment);
11670 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11671 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11672 != CMAIL_OLD_RESULT) {
11674 cmailResult[ CMAIL_MAX_GAMES
11675 - gn - 1] = CMAIL_OLD_RESULT;
11681 /* Only a NormalMove can be at the start of a game
11682 * without a position diagram. */
11683 if (lastLoadGameStart == EndOfFile ) {
11685 lastLoadGameStart = MoveNumberOne;
11694 if (appData.debugMode)
11695 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11697 if (cm == XBoardGame) {
11698 /* Skip any header junk before position diagram and/or move 1 */
11700 yyboardindex = forwardMostMove;
11701 cm = (ChessMove) Myylex();
11703 if (cm == EndOfFile ||
11704 cm == GNUChessGame || cm == XBoardGame) {
11705 /* Empty game; pretend end-of-file and handle later */
11710 if (cm == MoveNumberOne || cm == PositionDiagram ||
11711 cm == PGNTag || cm == Comment)
11714 } else if (cm == GNUChessGame) {
11715 if (gameInfo.event != NULL) {
11716 free(gameInfo.event);
11718 gameInfo.event = StrSave(yy_text);
11721 startedFromSetupPosition = FALSE;
11722 while (cm == PGNTag) {
11723 if (appData.debugMode)
11724 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11725 err = ParsePGNTag(yy_text, &gameInfo);
11726 if (!err) numPGNTags++;
11728 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11729 if(gameInfo.variant != oldVariant) {
11730 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11731 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11732 InitPosition(TRUE);
11733 oldVariant = gameInfo.variant;
11734 if (appData.debugMode)
11735 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11739 if (gameInfo.fen != NULL) {
11740 Board initial_position;
11741 startedFromSetupPosition = TRUE;
11742 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11744 DisplayError(_("Bad FEN position in file"), 0);
11747 CopyBoard(boards[0], initial_position);
11748 if (blackPlaysFirst) {
11749 currentMove = forwardMostMove = backwardMostMove = 1;
11750 CopyBoard(boards[1], initial_position);
11751 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11752 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11753 timeRemaining[0][1] = whiteTimeRemaining;
11754 timeRemaining[1][1] = blackTimeRemaining;
11755 if (commentList[0] != NULL) {
11756 commentList[1] = commentList[0];
11757 commentList[0] = NULL;
11760 currentMove = forwardMostMove = backwardMostMove = 0;
11762 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11764 initialRulePlies = FENrulePlies;
11765 for( i=0; i< nrCastlingRights; i++ )
11766 initialRights[i] = initial_position[CASTLING][i];
11768 yyboardindex = forwardMostMove;
11769 free(gameInfo.fen);
11770 gameInfo.fen = NULL;
11773 yyboardindex = forwardMostMove;
11774 cm = (ChessMove) Myylex();
11776 /* Handle comments interspersed among the tags */
11777 while (cm == Comment) {
11779 if (appData.debugMode)
11780 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11782 AppendComment(currentMove, p, FALSE);
11783 yyboardindex = forwardMostMove;
11784 cm = (ChessMove) Myylex();
11788 /* don't rely on existence of Event tag since if game was
11789 * pasted from clipboard the Event tag may not exist
11791 if (numPGNTags > 0){
11793 if (gameInfo.variant == VariantNormal) {
11794 VariantClass v = StringToVariant(gameInfo.event);
11795 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11796 if(v < VariantShogi) gameInfo.variant = v;
11799 if( appData.autoDisplayTags ) {
11800 tags = PGNTags(&gameInfo);
11801 TagsPopUp(tags, CmailMsg());
11806 /* Make something up, but don't display it now */
11811 if (cm == PositionDiagram) {
11814 Board initial_position;
11816 if (appData.debugMode)
11817 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11819 if (!startedFromSetupPosition) {
11821 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11822 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11833 initial_position[i][j++] = CharToPiece(*p);
11836 while (*p == ' ' || *p == '\t' ||
11837 *p == '\n' || *p == '\r') p++;
11839 if (strncmp(p, "black", strlen("black"))==0)
11840 blackPlaysFirst = TRUE;
11842 blackPlaysFirst = FALSE;
11843 startedFromSetupPosition = TRUE;
11845 CopyBoard(boards[0], initial_position);
11846 if (blackPlaysFirst) {
11847 currentMove = forwardMostMove = backwardMostMove = 1;
11848 CopyBoard(boards[1], initial_position);
11849 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11850 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11851 timeRemaining[0][1] = whiteTimeRemaining;
11852 timeRemaining[1][1] = blackTimeRemaining;
11853 if (commentList[0] != NULL) {
11854 commentList[1] = commentList[0];
11855 commentList[0] = NULL;
11858 currentMove = forwardMostMove = backwardMostMove = 0;
11861 yyboardindex = forwardMostMove;
11862 cm = (ChessMove) Myylex();
11865 if (first.pr == NoProc) {
11866 StartChessProgram(&first);
11868 InitChessProgram(&first, FALSE);
11869 SendToProgram("force\n", &first);
11870 if (startedFromSetupPosition) {
11871 SendBoard(&first, forwardMostMove);
11872 if (appData.debugMode) {
11873 fprintf(debugFP, "Load Game\n");
11875 DisplayBothClocks();
11878 /* [HGM] server: flag to write setup moves in broadcast file as one */
11879 loadFlag = appData.suppressLoadMoves;
11881 while (cm == Comment) {
11883 if (appData.debugMode)
11884 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11886 AppendComment(currentMove, p, FALSE);
11887 yyboardindex = forwardMostMove;
11888 cm = (ChessMove) Myylex();
11891 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11892 cm == WhiteWins || cm == BlackWins ||
11893 cm == GameIsDrawn || cm == GameUnfinished) {
11894 DisplayMessage("", _("No moves in game"));
11895 if (cmailMsgLoaded) {
11896 if (appData.debugMode)
11897 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11901 DrawPosition(FALSE, boards[currentMove]);
11902 DisplayBothClocks();
11903 gameMode = EditGame;
11910 // [HGM] PV info: routine tests if comment empty
11911 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11912 DisplayComment(currentMove - 1, commentList[currentMove]);
11914 if (!matchMode && appData.timeDelay != 0)
11915 DrawPosition(FALSE, boards[currentMove]);
11917 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11918 programStats.ok_to_send = 1;
11921 /* if the first token after the PGN tags is a move
11922 * and not move number 1, retrieve it from the parser
11924 if (cm != MoveNumberOne)
11925 LoadGameOneMove(cm);
11927 /* load the remaining moves from the file */
11928 while (LoadGameOneMove(EndOfFile)) {
11929 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11930 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11933 /* rewind to the start of the game */
11934 currentMove = backwardMostMove;
11936 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11938 if (oldGameMode == AnalyzeFile ||
11939 oldGameMode == AnalyzeMode) {
11940 AnalyzeFileEvent();
11943 if (!matchMode && pos >= 0) {
11944 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11946 if (matchMode || appData.timeDelay == 0) {
11948 } else if (appData.timeDelay > 0) {
11949 AutoPlayGameLoop();
11952 if (appData.debugMode)
11953 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11955 loadFlag = 0; /* [HGM] true game starts */
11959 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11961 ReloadPosition(offset)
11964 int positionNumber = lastLoadPositionNumber + offset;
11965 if (lastLoadPositionFP == NULL) {
11966 DisplayError(_("No position has been loaded yet"), 0);
11969 if (positionNumber <= 0) {
11970 DisplayError(_("Can't back up any further"), 0);
11973 return LoadPosition(lastLoadPositionFP, positionNumber,
11974 lastLoadPositionTitle);
11977 /* Load the nth position from the given file */
11979 LoadPositionFromFile(filename, n, title)
11987 if (strcmp(filename, "-") == 0) {
11988 return LoadPosition(stdin, n, "stdin");
11990 f = fopen(filename, "rb");
11992 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11993 DisplayError(buf, errno);
11996 return LoadPosition(f, n, title);
12001 /* Load the nth position from the given open file, and close it */
12003 LoadPosition(f, positionNumber, title)
12005 int positionNumber;
12008 char *p, line[MSG_SIZ];
12009 Board initial_position;
12010 int i, j, fenMode, pn;
12012 if (gameMode == Training )
12013 SetTrainingModeOff();
12015 if (gameMode != BeginningOfGame) {
12016 Reset(FALSE, TRUE);
12018 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12019 fclose(lastLoadPositionFP);
12021 if (positionNumber == 0) positionNumber = 1;
12022 lastLoadPositionFP = f;
12023 lastLoadPositionNumber = positionNumber;
12024 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12025 if (first.pr == NoProc && !appData.noChessProgram) {
12026 StartChessProgram(&first);
12027 InitChessProgram(&first, FALSE);
12029 pn = positionNumber;
12030 if (positionNumber < 0) {
12031 /* Negative position number means to seek to that byte offset */
12032 if (fseek(f, -positionNumber, 0) == -1) {
12033 DisplayError(_("Can't seek on position file"), 0);
12038 if (fseek(f, 0, 0) == -1) {
12039 if (f == lastLoadPositionFP ?
12040 positionNumber == lastLoadPositionNumber + 1 :
12041 positionNumber == 1) {
12044 DisplayError(_("Can't seek on position file"), 0);
12049 /* See if this file is FEN or old-style xboard */
12050 if (fgets(line, MSG_SIZ, f) == NULL) {
12051 DisplayError(_("Position not found in file"), 0);
12054 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12055 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12058 if (fenMode || line[0] == '#') pn--;
12060 /* skip positions before number pn */
12061 if (fgets(line, MSG_SIZ, f) == NULL) {
12063 DisplayError(_("Position not found in file"), 0);
12066 if (fenMode || line[0] == '#') pn--;
12071 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12072 DisplayError(_("Bad FEN position in file"), 0);
12076 (void) fgets(line, MSG_SIZ, f);
12077 (void) fgets(line, MSG_SIZ, f);
12079 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12080 (void) fgets(line, MSG_SIZ, f);
12081 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12084 initial_position[i][j++] = CharToPiece(*p);
12088 blackPlaysFirst = FALSE;
12090 (void) fgets(line, MSG_SIZ, f);
12091 if (strncmp(line, "black", strlen("black"))==0)
12092 blackPlaysFirst = TRUE;
12095 startedFromSetupPosition = TRUE;
12097 CopyBoard(boards[0], initial_position);
12098 if (blackPlaysFirst) {
12099 currentMove = forwardMostMove = backwardMostMove = 1;
12100 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12101 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12102 CopyBoard(boards[1], initial_position);
12103 DisplayMessage("", _("Black to play"));
12105 currentMove = forwardMostMove = backwardMostMove = 0;
12106 DisplayMessage("", _("White to play"));
12108 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12109 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12110 SendToProgram("force\n", &first);
12111 SendBoard(&first, forwardMostMove);
12113 if (appData.debugMode) {
12115 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12116 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12117 fprintf(debugFP, "Load Position\n");
12120 if (positionNumber > 1) {
12121 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12122 DisplayTitle(line);
12124 DisplayTitle(title);
12126 gameMode = EditGame;
12129 timeRemaining[0][1] = whiteTimeRemaining;
12130 timeRemaining[1][1] = blackTimeRemaining;
12131 DrawPosition(FALSE, boards[currentMove]);
12138 CopyPlayerNameIntoFileName(dest, src)
12141 while (*src != NULLCHAR && *src != ',') {
12146 *(*dest)++ = *src++;
12151 char *DefaultFileName(ext)
12154 static char def[MSG_SIZ];
12157 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12159 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12161 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12163 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12170 /* Save the current game to the given file */
12172 SaveGameToFile(filename, append)
12178 int result, i, t,tot=0;
12180 if (strcmp(filename, "-") == 0) {
12181 return SaveGame(stdout, 0, NULL);
12183 for(i=0; i<10; i++) { // upto 10 tries
12184 f = fopen(filename, append ? "a" : "w");
12185 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12186 if(f || errno != 13) break;
12187 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12191 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12192 DisplayError(buf, errno);
12195 safeStrCpy(buf, lastMsg, MSG_SIZ);
12196 DisplayMessage(_("Waiting for access to save file"), "");
12197 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12198 DisplayMessage(_("Saving game"), "");
12199 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
12200 result = SaveGame(f, 0, NULL);
12201 DisplayMessage(buf, "");
12211 static char buf[MSG_SIZ];
12214 p = strchr(str, ' ');
12215 if (p == NULL) return str;
12216 strncpy(buf, str, p - str);
12217 buf[p - str] = NULLCHAR;
12221 #define PGN_MAX_LINE 75
12223 #define PGN_SIDE_WHITE 0
12224 #define PGN_SIDE_BLACK 1
12227 static int FindFirstMoveOutOfBook( int side )
12231 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12232 int index = backwardMostMove;
12233 int has_book_hit = 0;
12235 if( (index % 2) != side ) {
12239 while( index < forwardMostMove ) {
12240 /* Check to see if engine is in book */
12241 int depth = pvInfoList[index].depth;
12242 int score = pvInfoList[index].score;
12248 else if( score == 0 && depth == 63 ) {
12249 in_book = 1; /* Zappa */
12251 else if( score == 2 && depth == 99 ) {
12252 in_book = 1; /* Abrok */
12255 has_book_hit += in_book;
12271 void GetOutOfBookInfo( char * buf )
12275 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12277 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12278 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12282 if( oob[0] >= 0 || oob[1] >= 0 ) {
12283 for( i=0; i<2; i++ ) {
12287 if( i > 0 && oob[0] >= 0 ) {
12288 strcat( buf, " " );
12291 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12292 sprintf( buf+strlen(buf), "%s%.2f",
12293 pvInfoList[idx].score >= 0 ? "+" : "",
12294 pvInfoList[idx].score / 100.0 );
12300 /* Save game in PGN style and close the file */
12305 int i, offset, linelen, newblock;
12309 int movelen, numlen, blank;
12310 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12312 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12314 tm = time((time_t *) NULL);
12316 PrintPGNTags(f, &gameInfo);
12318 if (backwardMostMove > 0 || startedFromSetupPosition) {
12319 char *fen = PositionToFEN(backwardMostMove, NULL);
12320 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12321 fprintf(f, "\n{--------------\n");
12322 PrintPosition(f, backwardMostMove);
12323 fprintf(f, "--------------}\n");
12327 /* [AS] Out of book annotation */
12328 if( appData.saveOutOfBookInfo ) {
12331 GetOutOfBookInfo( buf );
12333 if( buf[0] != '\0' ) {
12334 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12341 i = backwardMostMove;
12345 while (i < forwardMostMove) {
12346 /* Print comments preceding this move */
12347 if (commentList[i] != NULL) {
12348 if (linelen > 0) fprintf(f, "\n");
12349 fprintf(f, "%s", commentList[i]);
12354 /* Format move number */
12356 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12359 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12361 numtext[0] = NULLCHAR;
12363 numlen = strlen(numtext);
12366 /* Print move number */
12367 blank = linelen > 0 && numlen > 0;
12368 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12377 fprintf(f, "%s", numtext);
12381 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12382 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12385 blank = linelen > 0 && movelen > 0;
12386 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12395 fprintf(f, "%s", move_buffer);
12396 linelen += movelen;
12398 /* [AS] Add PV info if present */
12399 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12400 /* [HGM] add time */
12401 char buf[MSG_SIZ]; int seconds;
12403 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12409 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12412 seconds = (seconds + 4)/10; // round to full seconds
12414 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12416 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12419 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12420 pvInfoList[i].score >= 0 ? "+" : "",
12421 pvInfoList[i].score / 100.0,
12422 pvInfoList[i].depth,
12425 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12427 /* Print score/depth */
12428 blank = linelen > 0 && movelen > 0;
12429 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12438 fprintf(f, "%s", move_buffer);
12439 linelen += movelen;
12445 /* Start a new line */
12446 if (linelen > 0) fprintf(f, "\n");
12448 /* Print comments after last move */
12449 if (commentList[i] != NULL) {
12450 fprintf(f, "%s\n", commentList[i]);
12454 if (gameInfo.resultDetails != NULL &&
12455 gameInfo.resultDetails[0] != NULLCHAR) {
12456 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12457 PGNResult(gameInfo.result));
12459 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12463 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12467 /* Save game in old style and close the file */
12469 SaveGameOldStyle(f)
12475 tm = time((time_t *) NULL);
12477 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12480 if (backwardMostMove > 0 || startedFromSetupPosition) {
12481 fprintf(f, "\n[--------------\n");
12482 PrintPosition(f, backwardMostMove);
12483 fprintf(f, "--------------]\n");
12488 i = backwardMostMove;
12489 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12491 while (i < forwardMostMove) {
12492 if (commentList[i] != NULL) {
12493 fprintf(f, "[%s]\n", commentList[i]);
12496 if ((i % 2) == 1) {
12497 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12500 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12502 if (commentList[i] != NULL) {
12506 if (i >= forwardMostMove) {
12510 fprintf(f, "%s\n", parseList[i]);
12515 if (commentList[i] != NULL) {
12516 fprintf(f, "[%s]\n", commentList[i]);
12519 /* This isn't really the old style, but it's close enough */
12520 if (gameInfo.resultDetails != NULL &&
12521 gameInfo.resultDetails[0] != NULLCHAR) {
12522 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12523 gameInfo.resultDetails);
12525 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12532 /* Save the current game to open file f and close the file */
12534 SaveGame(f, dummy, dummy2)
12539 if (gameMode == EditPosition) EditPositionDone(TRUE);
12540 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12541 if (appData.oldSaveStyle)
12542 return SaveGameOldStyle(f);
12544 return SaveGamePGN(f);
12547 /* Save the current position to the given file */
12549 SavePositionToFile(filename)
12555 if (strcmp(filename, "-") == 0) {
12556 return SavePosition(stdout, 0, NULL);
12558 f = fopen(filename, "a");
12560 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12561 DisplayError(buf, errno);
12564 safeStrCpy(buf, lastMsg, MSG_SIZ);
12565 DisplayMessage(_("Waiting for access to save file"), "");
12566 flock(fileno(f), LOCK_EX); // [HGM] lock
12567 DisplayMessage(_("Saving position"), "");
12568 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12569 SavePosition(f, 0, NULL);
12570 DisplayMessage(buf, "");
12576 /* Save the current position to the given open file and close the file */
12578 SavePosition(f, dummy, dummy2)
12586 if (gameMode == EditPosition) EditPositionDone(TRUE);
12587 if (appData.oldSaveStyle) {
12588 tm = time((time_t *) NULL);
12590 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12592 fprintf(f, "[--------------\n");
12593 PrintPosition(f, currentMove);
12594 fprintf(f, "--------------]\n");
12596 fen = PositionToFEN(currentMove, NULL);
12597 fprintf(f, "%s\n", fen);
12605 ReloadCmailMsgEvent(unregister)
12609 static char *inFilename = NULL;
12610 static char *outFilename;
12612 struct stat inbuf, outbuf;
12615 /* Any registered moves are unregistered if unregister is set, */
12616 /* i.e. invoked by the signal handler */
12618 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12619 cmailMoveRegistered[i] = FALSE;
12620 if (cmailCommentList[i] != NULL) {
12621 free(cmailCommentList[i]);
12622 cmailCommentList[i] = NULL;
12625 nCmailMovesRegistered = 0;
12628 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12629 cmailResult[i] = CMAIL_NOT_RESULT;
12633 if (inFilename == NULL) {
12634 /* Because the filenames are static they only get malloced once */
12635 /* and they never get freed */
12636 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12637 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12639 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12640 sprintf(outFilename, "%s.out", appData.cmailGameName);
12643 status = stat(outFilename, &outbuf);
12645 cmailMailedMove = FALSE;
12647 status = stat(inFilename, &inbuf);
12648 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12651 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12652 counts the games, notes how each one terminated, etc.
12654 It would be nice to remove this kludge and instead gather all
12655 the information while building the game list. (And to keep it
12656 in the game list nodes instead of having a bunch of fixed-size
12657 parallel arrays.) Note this will require getting each game's
12658 termination from the PGN tags, as the game list builder does
12659 not process the game moves. --mann
12661 cmailMsgLoaded = TRUE;
12662 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12664 /* Load first game in the file or popup game menu */
12665 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12667 #endif /* !WIN32 */
12675 char string[MSG_SIZ];
12677 if ( cmailMailedMove
12678 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12679 return TRUE; /* Allow free viewing */
12682 /* Unregister move to ensure that we don't leave RegisterMove */
12683 /* with the move registered when the conditions for registering no */
12685 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12686 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12687 nCmailMovesRegistered --;
12689 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12691 free(cmailCommentList[lastLoadGameNumber - 1]);
12692 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12696 if (cmailOldMove == -1) {
12697 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12701 if (currentMove > cmailOldMove + 1) {
12702 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12706 if (currentMove < cmailOldMove) {
12707 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12711 if (forwardMostMove > currentMove) {
12712 /* Silently truncate extra moves */
12716 if ( (currentMove == cmailOldMove + 1)
12717 || ( (currentMove == cmailOldMove)
12718 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12719 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12720 if (gameInfo.result != GameUnfinished) {
12721 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12724 if (commentList[currentMove] != NULL) {
12725 cmailCommentList[lastLoadGameNumber - 1]
12726 = StrSave(commentList[currentMove]);
12728 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12730 if (appData.debugMode)
12731 fprintf(debugFP, "Saving %s for game %d\n",
12732 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12734 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12736 f = fopen(string, "w");
12737 if (appData.oldSaveStyle) {
12738 SaveGameOldStyle(f); /* also closes the file */
12740 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12741 f = fopen(string, "w");
12742 SavePosition(f, 0, NULL); /* also closes the file */
12744 fprintf(f, "{--------------\n");
12745 PrintPosition(f, currentMove);
12746 fprintf(f, "--------------}\n\n");
12748 SaveGame(f, 0, NULL); /* also closes the file*/
12751 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12752 nCmailMovesRegistered ++;
12753 } else if (nCmailGames == 1) {
12754 DisplayError(_("You have not made a move yet"), 0);
12765 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12766 FILE *commandOutput;
12767 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12768 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12774 if (! cmailMsgLoaded) {
12775 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12779 if (nCmailGames == nCmailResults) {
12780 DisplayError(_("No unfinished games"), 0);
12784 #if CMAIL_PROHIBIT_REMAIL
12785 if (cmailMailedMove) {
12786 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);
12787 DisplayError(msg, 0);
12792 if (! (cmailMailedMove || RegisterMove())) return;
12794 if ( cmailMailedMove
12795 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12796 snprintf(string, MSG_SIZ, partCommandString,
12797 appData.debugMode ? " -v" : "", appData.cmailGameName);
12798 commandOutput = popen(string, "r");
12800 if (commandOutput == NULL) {
12801 DisplayError(_("Failed to invoke cmail"), 0);
12803 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12804 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12806 if (nBuffers > 1) {
12807 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12808 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12809 nBytes = MSG_SIZ - 1;
12811 (void) memcpy(msg, buffer, nBytes);
12813 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12815 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12816 cmailMailedMove = TRUE; /* Prevent >1 moves */
12819 for (i = 0; i < nCmailGames; i ++) {
12820 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12825 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12827 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12829 appData.cmailGameName,
12831 LoadGameFromFile(buffer, 1, buffer, FALSE);
12832 cmailMsgLoaded = FALSE;
12836 DisplayInformation(msg);
12837 pclose(commandOutput);
12840 if ((*cmailMsg) != '\0') {
12841 DisplayInformation(cmailMsg);
12846 #endif /* !WIN32 */
12855 int prependComma = 0;
12857 char string[MSG_SIZ]; /* Space for game-list */
12860 if (!cmailMsgLoaded) return "";
12862 if (cmailMailedMove) {
12863 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12865 /* Create a list of games left */
12866 snprintf(string, MSG_SIZ, "[");
12867 for (i = 0; i < nCmailGames; i ++) {
12868 if (! ( cmailMoveRegistered[i]
12869 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12870 if (prependComma) {
12871 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12873 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12877 strcat(string, number);
12880 strcat(string, "]");
12882 if (nCmailMovesRegistered + nCmailResults == 0) {
12883 switch (nCmailGames) {
12885 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12889 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12893 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12898 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12900 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12905 if (nCmailResults == nCmailGames) {
12906 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12908 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12913 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12925 if (gameMode == Training)
12926 SetTrainingModeOff();
12929 cmailMsgLoaded = FALSE;
12930 if (appData.icsActive) {
12931 SendToICS(ics_prefix);
12932 SendToICS("refresh\n");
12942 /* Give up on clean exit */
12946 /* Keep trying for clean exit */
12950 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12952 if (telnetISR != NULL) {
12953 RemoveInputSource(telnetISR);
12955 if (icsPR != NoProc) {
12956 DestroyChildProcess(icsPR, TRUE);
12959 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12960 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12962 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12963 /* make sure this other one finishes before killing it! */
12964 if(endingGame) { int count = 0;
12965 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12966 while(endingGame && count++ < 10) DoSleep(1);
12967 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12970 /* Kill off chess programs */
12971 if (first.pr != NoProc) {
12974 DoSleep( appData.delayBeforeQuit );
12975 SendToProgram("quit\n", &first);
12976 DoSleep( appData.delayAfterQuit );
12977 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12979 if (second.pr != NoProc) {
12980 DoSleep( appData.delayBeforeQuit );
12981 SendToProgram("quit\n", &second);
12982 DoSleep( appData.delayAfterQuit );
12983 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12985 if (first.isr != NULL) {
12986 RemoveInputSource(first.isr);
12988 if (second.isr != NULL) {
12989 RemoveInputSource(second.isr);
12992 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12993 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12995 ShutDownFrontEnd();
13002 if (appData.debugMode)
13003 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13007 if (gameMode == MachinePlaysWhite ||
13008 gameMode == MachinePlaysBlack) {
13011 DisplayBothClocks();
13013 if (gameMode == PlayFromGameFile) {
13014 if (appData.timeDelay >= 0)
13015 AutoPlayGameLoop();
13016 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13017 Reset(FALSE, TRUE);
13018 SendToICS(ics_prefix);
13019 SendToICS("refresh\n");
13020 } else if (currentMove < forwardMostMove) {
13021 ForwardInner(forwardMostMove);
13023 pauseExamInvalid = FALSE;
13025 switch (gameMode) {
13029 pauseExamForwardMostMove = forwardMostMove;
13030 pauseExamInvalid = FALSE;
13033 case IcsPlayingWhite:
13034 case IcsPlayingBlack:
13038 case PlayFromGameFile:
13039 (void) StopLoadGameTimer();
13043 case BeginningOfGame:
13044 if (appData.icsActive) return;
13045 /* else fall through */
13046 case MachinePlaysWhite:
13047 case MachinePlaysBlack:
13048 case TwoMachinesPlay:
13049 if (forwardMostMove == 0)
13050 return; /* don't pause if no one has moved */
13051 if ((gameMode == MachinePlaysWhite &&
13052 !WhiteOnMove(forwardMostMove)) ||
13053 (gameMode == MachinePlaysBlack &&
13054 WhiteOnMove(forwardMostMove))) {
13067 char title[MSG_SIZ];
13069 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13070 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13072 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13073 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13074 parseList[currentMove - 1]);
13077 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13084 char *tags = PGNTags(&gameInfo);
13086 EditTagsPopUp(tags, NULL);
13093 if (appData.noChessProgram || gameMode == AnalyzeMode)
13096 if (gameMode != AnalyzeFile) {
13097 if (!appData.icsEngineAnalyze) {
13099 if (gameMode != EditGame) return;
13101 ResurrectChessProgram();
13102 SendToProgram("analyze\n", &first);
13103 first.analyzing = TRUE;
13104 /*first.maybeThinking = TRUE;*/
13105 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13106 EngineOutputPopUp();
13108 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13113 StartAnalysisClock();
13114 GetTimeMark(&lastNodeCountTime);
13121 if (appData.noChessProgram || gameMode == AnalyzeFile)
13124 if (gameMode != AnalyzeMode) {
13126 if (gameMode != EditGame) return;
13127 ResurrectChessProgram();
13128 SendToProgram("analyze\n", &first);
13129 first.analyzing = TRUE;
13130 /*first.maybeThinking = TRUE;*/
13131 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13132 EngineOutputPopUp();
13134 gameMode = AnalyzeFile;
13139 StartAnalysisClock();
13140 GetTimeMark(&lastNodeCountTime);
13142 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13146 MachineWhiteEvent()
13149 char *bookHit = NULL;
13151 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13155 if (gameMode == PlayFromGameFile ||
13156 gameMode == TwoMachinesPlay ||
13157 gameMode == Training ||
13158 gameMode == AnalyzeMode ||
13159 gameMode == EndOfGame)
13162 if (gameMode == EditPosition)
13163 EditPositionDone(TRUE);
13165 if (!WhiteOnMove(currentMove)) {
13166 DisplayError(_("It is not White's turn"), 0);
13170 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13173 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13174 gameMode == AnalyzeFile)
13177 ResurrectChessProgram(); /* in case it isn't running */
13178 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13179 gameMode = MachinePlaysWhite;
13182 gameMode = MachinePlaysWhite;
13186 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13188 if (first.sendName) {
13189 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13190 SendToProgram(buf, &first);
13192 if (first.sendTime) {
13193 if (first.useColors) {
13194 SendToProgram("black\n", &first); /*gnu kludge*/
13196 SendTimeRemaining(&first, TRUE);
13198 if (first.useColors) {
13199 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13201 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13202 SetMachineThinkingEnables();
13203 first.maybeThinking = TRUE;
13207 if (appData.autoFlipView && !flipView) {
13208 flipView = !flipView;
13209 DrawPosition(FALSE, NULL);
13210 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13213 if(bookHit) { // [HGM] book: simulate book reply
13214 static char bookMove[MSG_SIZ]; // a bit generous?
13216 programStats.nodes = programStats.depth = programStats.time =
13217 programStats.score = programStats.got_only_move = 0;
13218 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13220 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13221 strcat(bookMove, bookHit);
13222 HandleMachineMove(bookMove, &first);
13227 MachineBlackEvent()
13230 char *bookHit = NULL;
13232 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13236 if (gameMode == PlayFromGameFile ||
13237 gameMode == TwoMachinesPlay ||
13238 gameMode == Training ||
13239 gameMode == AnalyzeMode ||
13240 gameMode == EndOfGame)
13243 if (gameMode == EditPosition)
13244 EditPositionDone(TRUE);
13246 if (WhiteOnMove(currentMove)) {
13247 DisplayError(_("It is not Black's turn"), 0);
13251 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13254 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13255 gameMode == AnalyzeFile)
13258 ResurrectChessProgram(); /* in case it isn't running */
13259 gameMode = MachinePlaysBlack;
13263 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13265 if (first.sendName) {
13266 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13267 SendToProgram(buf, &first);
13269 if (first.sendTime) {
13270 if (first.useColors) {
13271 SendToProgram("white\n", &first); /*gnu kludge*/
13273 SendTimeRemaining(&first, FALSE);
13275 if (first.useColors) {
13276 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13278 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13279 SetMachineThinkingEnables();
13280 first.maybeThinking = TRUE;
13283 if (appData.autoFlipView && flipView) {
13284 flipView = !flipView;
13285 DrawPosition(FALSE, NULL);
13286 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13288 if(bookHit) { // [HGM] book: simulate book reply
13289 static char bookMove[MSG_SIZ]; // a bit generous?
13291 programStats.nodes = programStats.depth = programStats.time =
13292 programStats.score = programStats.got_only_move = 0;
13293 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13295 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13296 strcat(bookMove, bookHit);
13297 HandleMachineMove(bookMove, &first);
13303 DisplayTwoMachinesTitle()
13306 if (appData.matchGames > 0) {
13307 if(appData.tourneyFile[0]) {
13308 snprintf(buf, MSG_SIZ, "%s vs. %s (%d/%d%s)",
13309 gameInfo.white, gameInfo.black,
13310 nextGame+1, appData.matchGames+1,
13311 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13313 if (first.twoMachinesColor[0] == 'w') {
13314 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13315 gameInfo.white, gameInfo.black,
13316 first.matchWins, second.matchWins,
13317 matchGame - 1 - (first.matchWins + second.matchWins));
13319 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13320 gameInfo.white, gameInfo.black,
13321 second.matchWins, first.matchWins,
13322 matchGame - 1 - (first.matchWins + second.matchWins));
13325 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13331 SettingsMenuIfReady()
13333 if (second.lastPing != second.lastPong) {
13334 DisplayMessage("", _("Waiting for second chess program"));
13335 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13339 DisplayMessage("", "");
13340 SettingsPopUp(&second);
13344 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
13347 if (cps->pr == NoProc) {
13348 StartChessProgram(cps);
13349 if (cps->protocolVersion == 1) {
13352 /* kludge: allow timeout for initial "feature" command */
13354 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13355 DisplayMessage("", buf);
13356 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13364 TwoMachinesEvent P((void))
13368 ChessProgramState *onmove;
13369 char *bookHit = NULL;
13370 static int stalling = 0;
13374 if (appData.noChessProgram) return;
13376 switch (gameMode) {
13377 case TwoMachinesPlay:
13379 case MachinePlaysWhite:
13380 case MachinePlaysBlack:
13381 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13382 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13386 case BeginningOfGame:
13387 case PlayFromGameFile:
13390 if (gameMode != EditGame) return;
13393 EditPositionDone(TRUE);
13404 // forwardMostMove = currentMove;
13405 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13407 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13409 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13410 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13411 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13415 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13416 SendToProgram("force\n", &second);
13418 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13421 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13422 if(appData.matchPause>10000 || appData.matchPause<10)
13423 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13424 wait = SubtractTimeMarks(&now, &pauseStart);
13425 if(wait < appData.matchPause) {
13426 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13430 DisplayMessage("", "");
13431 if (startedFromSetupPosition) {
13432 SendBoard(&second, backwardMostMove);
13433 if (appData.debugMode) {
13434 fprintf(debugFP, "Two Machines\n");
13437 for (i = backwardMostMove; i < forwardMostMove; i++) {
13438 SendMoveToProgram(i, &second);
13441 gameMode = TwoMachinesPlay;
13443 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13445 DisplayTwoMachinesTitle();
13447 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13452 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13453 SendToProgram(first.computerString, &first);
13454 if (first.sendName) {
13455 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13456 SendToProgram(buf, &first);
13458 SendToProgram(second.computerString, &second);
13459 if (second.sendName) {
13460 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13461 SendToProgram(buf, &second);
13465 if (!first.sendTime || !second.sendTime) {
13466 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13467 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13469 if (onmove->sendTime) {
13470 if (onmove->useColors) {
13471 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13473 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13475 if (onmove->useColors) {
13476 SendToProgram(onmove->twoMachinesColor, onmove);
13478 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13479 // SendToProgram("go\n", onmove);
13480 onmove->maybeThinking = TRUE;
13481 SetMachineThinkingEnables();
13485 if(bookHit) { // [HGM] book: simulate book reply
13486 static char bookMove[MSG_SIZ]; // a bit generous?
13488 programStats.nodes = programStats.depth = programStats.time =
13489 programStats.score = programStats.got_only_move = 0;
13490 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13492 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13493 strcat(bookMove, bookHit);
13494 savedMessage = bookMove; // args for deferred call
13495 savedState = onmove;
13496 ScheduleDelayedEvent(DeferredBookMove, 1);
13503 if (gameMode == Training) {
13504 SetTrainingModeOff();
13505 gameMode = PlayFromGameFile;
13506 DisplayMessage("", _("Training mode off"));
13508 gameMode = Training;
13509 animateTraining = appData.animate;
13511 /* make sure we are not already at the end of the game */
13512 if (currentMove < forwardMostMove) {
13513 SetTrainingModeOn();
13514 DisplayMessage("", _("Training mode on"));
13516 gameMode = PlayFromGameFile;
13517 DisplayError(_("Already at end of game"), 0);
13526 if (!appData.icsActive) return;
13527 switch (gameMode) {
13528 case IcsPlayingWhite:
13529 case IcsPlayingBlack:
13532 case BeginningOfGame:
13540 EditPositionDone(TRUE);
13553 gameMode = IcsIdle;
13564 switch (gameMode) {
13566 SetTrainingModeOff();
13568 case MachinePlaysWhite:
13569 case MachinePlaysBlack:
13570 case BeginningOfGame:
13571 SendToProgram("force\n", &first);
13572 SetUserThinkingEnables();
13574 case PlayFromGameFile:
13575 (void) StopLoadGameTimer();
13576 if (gameFileFP != NULL) {
13581 EditPositionDone(TRUE);
13586 SendToProgram("force\n", &first);
13588 case TwoMachinesPlay:
13589 GameEnds(EndOfFile, NULL, GE_PLAYER);
13590 ResurrectChessProgram();
13591 SetUserThinkingEnables();
13594 ResurrectChessProgram();
13596 case IcsPlayingBlack:
13597 case IcsPlayingWhite:
13598 DisplayError(_("Warning: You are still playing a game"), 0);
13601 DisplayError(_("Warning: You are still observing a game"), 0);
13604 DisplayError(_("Warning: You are still examining a game"), 0);
13615 first.offeredDraw = second.offeredDraw = 0;
13617 if (gameMode == PlayFromGameFile) {
13618 whiteTimeRemaining = timeRemaining[0][currentMove];
13619 blackTimeRemaining = timeRemaining[1][currentMove];
13623 if (gameMode == MachinePlaysWhite ||
13624 gameMode == MachinePlaysBlack ||
13625 gameMode == TwoMachinesPlay ||
13626 gameMode == EndOfGame) {
13627 i = forwardMostMove;
13628 while (i > currentMove) {
13629 SendToProgram("undo\n", &first);
13632 if(!adjustedClock) {
13633 whiteTimeRemaining = timeRemaining[0][currentMove];
13634 blackTimeRemaining = timeRemaining[1][currentMove];
13635 DisplayBothClocks();
13637 if (whiteFlag || blackFlag) {
13638 whiteFlag = blackFlag = 0;
13643 gameMode = EditGame;
13650 EditPositionEvent()
13652 if (gameMode == EditPosition) {
13658 if (gameMode != EditGame) return;
13660 gameMode = EditPosition;
13663 if (currentMove > 0)
13664 CopyBoard(boards[0], boards[currentMove]);
13666 blackPlaysFirst = !WhiteOnMove(currentMove);
13668 currentMove = forwardMostMove = backwardMostMove = 0;
13669 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13676 /* [DM] icsEngineAnalyze - possible call from other functions */
13677 if (appData.icsEngineAnalyze) {
13678 appData.icsEngineAnalyze = FALSE;
13680 DisplayMessage("",_("Close ICS engine analyze..."));
13682 if (first.analysisSupport && first.analyzing) {
13683 SendToProgram("exit\n", &first);
13684 first.analyzing = FALSE;
13686 thinkOutput[0] = NULLCHAR;
13690 EditPositionDone(Boolean fakeRights)
13692 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13694 startedFromSetupPosition = TRUE;
13695 InitChessProgram(&first, FALSE);
13696 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13697 boards[0][EP_STATUS] = EP_NONE;
13698 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13699 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13700 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13701 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13702 } else boards[0][CASTLING][2] = NoRights;
13703 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13704 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13705 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13706 } else boards[0][CASTLING][5] = NoRights;
13708 SendToProgram("force\n", &first);
13709 if (blackPlaysFirst) {
13710 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13711 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13712 currentMove = forwardMostMove = backwardMostMove = 1;
13713 CopyBoard(boards[1], boards[0]);
13715 currentMove = forwardMostMove = backwardMostMove = 0;
13717 SendBoard(&first, forwardMostMove);
13718 if (appData.debugMode) {
13719 fprintf(debugFP, "EditPosDone\n");
13722 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13723 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13724 gameMode = EditGame;
13726 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13727 ClearHighlights(); /* [AS] */
13730 /* Pause for `ms' milliseconds */
13731 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13741 } while (SubtractTimeMarks(&m2, &m1) < ms);
13744 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13746 SendMultiLineToICS(buf)
13749 char temp[MSG_SIZ+1], *p;
13756 strncpy(temp, buf, len);
13761 if (*p == '\n' || *p == '\r')
13766 strcat(temp, "\n");
13768 SendToPlayer(temp, strlen(temp));
13772 SetWhiteToPlayEvent()
13774 if (gameMode == EditPosition) {
13775 blackPlaysFirst = FALSE;
13776 DisplayBothClocks(); /* works because currentMove is 0 */
13777 } else if (gameMode == IcsExamining) {
13778 SendToICS(ics_prefix);
13779 SendToICS("tomove white\n");
13784 SetBlackToPlayEvent()
13786 if (gameMode == EditPosition) {
13787 blackPlaysFirst = TRUE;
13788 currentMove = 1; /* kludge */
13789 DisplayBothClocks();
13791 } else if (gameMode == IcsExamining) {
13792 SendToICS(ics_prefix);
13793 SendToICS("tomove black\n");
13798 EditPositionMenuEvent(selection, x, y)
13799 ChessSquare selection;
13803 ChessSquare piece = boards[0][y][x];
13805 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13807 switch (selection) {
13809 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13810 SendToICS(ics_prefix);
13811 SendToICS("bsetup clear\n");
13812 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13813 SendToICS(ics_prefix);
13814 SendToICS("clearboard\n");
13816 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13817 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13818 for (y = 0; y < BOARD_HEIGHT; y++) {
13819 if (gameMode == IcsExamining) {
13820 if (boards[currentMove][y][x] != EmptySquare) {
13821 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13826 boards[0][y][x] = p;
13831 if (gameMode == EditPosition) {
13832 DrawPosition(FALSE, boards[0]);
13837 SetWhiteToPlayEvent();
13841 SetBlackToPlayEvent();
13845 if (gameMode == IcsExamining) {
13846 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13847 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13850 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13851 if(x == BOARD_LEFT-2) {
13852 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13853 boards[0][y][1] = 0;
13855 if(x == BOARD_RGHT+1) {
13856 if(y >= gameInfo.holdingsSize) break;
13857 boards[0][y][BOARD_WIDTH-2] = 0;
13860 boards[0][y][x] = EmptySquare;
13861 DrawPosition(FALSE, boards[0]);
13866 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13867 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13868 selection = (ChessSquare) (PROMOTED piece);
13869 } else if(piece == EmptySquare) selection = WhiteSilver;
13870 else selection = (ChessSquare)((int)piece - 1);
13874 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13875 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13876 selection = (ChessSquare) (DEMOTED piece);
13877 } else if(piece == EmptySquare) selection = BlackSilver;
13878 else selection = (ChessSquare)((int)piece + 1);
13883 if(gameInfo.variant == VariantShatranj ||
13884 gameInfo.variant == VariantXiangqi ||
13885 gameInfo.variant == VariantCourier ||
13886 gameInfo.variant == VariantMakruk )
13887 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13892 if(gameInfo.variant == VariantXiangqi)
13893 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13894 if(gameInfo.variant == VariantKnightmate)
13895 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13898 if (gameMode == IcsExamining) {
13899 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13900 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13901 PieceToChar(selection), AAA + x, ONE + y);
13904 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13906 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13907 n = PieceToNumber(selection - BlackPawn);
13908 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13909 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13910 boards[0][BOARD_HEIGHT-1-n][1]++;
13912 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13913 n = PieceToNumber(selection);
13914 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13915 boards[0][n][BOARD_WIDTH-1] = selection;
13916 boards[0][n][BOARD_WIDTH-2]++;
13919 boards[0][y][x] = selection;
13920 DrawPosition(TRUE, boards[0]);
13928 DropMenuEvent(selection, x, y)
13929 ChessSquare selection;
13932 ChessMove moveType;
13934 switch (gameMode) {
13935 case IcsPlayingWhite:
13936 case MachinePlaysBlack:
13937 if (!WhiteOnMove(currentMove)) {
13938 DisplayMoveError(_("It is Black's turn"));
13941 moveType = WhiteDrop;
13943 case IcsPlayingBlack:
13944 case MachinePlaysWhite:
13945 if (WhiteOnMove(currentMove)) {
13946 DisplayMoveError(_("It is White's turn"));
13949 moveType = BlackDrop;
13952 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13958 if (moveType == BlackDrop && selection < BlackPawn) {
13959 selection = (ChessSquare) ((int) selection
13960 + (int) BlackPawn - (int) WhitePawn);
13962 if (boards[currentMove][y][x] != EmptySquare) {
13963 DisplayMoveError(_("That square is occupied"));
13967 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13973 /* Accept a pending offer of any kind from opponent */
13975 if (appData.icsActive) {
13976 SendToICS(ics_prefix);
13977 SendToICS("accept\n");
13978 } else if (cmailMsgLoaded) {
13979 if (currentMove == cmailOldMove &&
13980 commentList[cmailOldMove] != NULL &&
13981 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13982 "Black offers a draw" : "White offers a draw")) {
13984 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13985 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13987 DisplayError(_("There is no pending offer on this move"), 0);
13988 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13991 /* Not used for offers from chess program */
13998 /* Decline a pending offer of any kind from opponent */
14000 if (appData.icsActive) {
14001 SendToICS(ics_prefix);
14002 SendToICS("decline\n");
14003 } else if (cmailMsgLoaded) {
14004 if (currentMove == cmailOldMove &&
14005 commentList[cmailOldMove] != NULL &&
14006 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14007 "Black offers a draw" : "White offers a draw")) {
14009 AppendComment(cmailOldMove, "Draw declined", TRUE);
14010 DisplayComment(cmailOldMove - 1, "Draw declined");
14013 DisplayError(_("There is no pending offer on this move"), 0);
14016 /* Not used for offers from chess program */
14023 /* Issue ICS rematch command */
14024 if (appData.icsActive) {
14025 SendToICS(ics_prefix);
14026 SendToICS("rematch\n");
14033 /* Call your opponent's flag (claim a win on time) */
14034 if (appData.icsActive) {
14035 SendToICS(ics_prefix);
14036 SendToICS("flag\n");
14038 switch (gameMode) {
14041 case MachinePlaysWhite:
14044 GameEnds(GameIsDrawn, "Both players ran out of time",
14047 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14049 DisplayError(_("Your opponent is not out of time"), 0);
14052 case MachinePlaysBlack:
14055 GameEnds(GameIsDrawn, "Both players ran out of time",
14058 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14060 DisplayError(_("Your opponent is not out of time"), 0);
14068 ClockClick(int which)
14069 { // [HGM] code moved to back-end from winboard.c
14070 if(which) { // black clock
14071 if (gameMode == EditPosition || gameMode == IcsExamining) {
14072 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14073 SetBlackToPlayEvent();
14074 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14075 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14076 } else if (shiftKey) {
14077 AdjustClock(which, -1);
14078 } else if (gameMode == IcsPlayingWhite ||
14079 gameMode == MachinePlaysBlack) {
14082 } else { // white clock
14083 if (gameMode == EditPosition || gameMode == IcsExamining) {
14084 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14085 SetWhiteToPlayEvent();
14086 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14087 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14088 } else if (shiftKey) {
14089 AdjustClock(which, -1);
14090 } else if (gameMode == IcsPlayingBlack ||
14091 gameMode == MachinePlaysWhite) {
14100 /* Offer draw or accept pending draw offer from opponent */
14102 if (appData.icsActive) {
14103 /* Note: tournament rules require draw offers to be
14104 made after you make your move but before you punch
14105 your clock. Currently ICS doesn't let you do that;
14106 instead, you immediately punch your clock after making
14107 a move, but you can offer a draw at any time. */
14109 SendToICS(ics_prefix);
14110 SendToICS("draw\n");
14111 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14112 } else if (cmailMsgLoaded) {
14113 if (currentMove == cmailOldMove &&
14114 commentList[cmailOldMove] != NULL &&
14115 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14116 "Black offers a draw" : "White offers a draw")) {
14117 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14118 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14119 } else if (currentMove == cmailOldMove + 1) {
14120 char *offer = WhiteOnMove(cmailOldMove) ?
14121 "White offers a draw" : "Black offers a draw";
14122 AppendComment(currentMove, offer, TRUE);
14123 DisplayComment(currentMove - 1, offer);
14124 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14126 DisplayError(_("You must make your move before offering a draw"), 0);
14127 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14129 } else if (first.offeredDraw) {
14130 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14132 if (first.sendDrawOffers) {
14133 SendToProgram("draw\n", &first);
14134 userOfferedDraw = TRUE;
14142 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14144 if (appData.icsActive) {
14145 SendToICS(ics_prefix);
14146 SendToICS("adjourn\n");
14148 /* Currently GNU Chess doesn't offer or accept Adjourns */
14156 /* Offer Abort or accept pending Abort offer from opponent */
14158 if (appData.icsActive) {
14159 SendToICS(ics_prefix);
14160 SendToICS("abort\n");
14162 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14169 /* Resign. You can do this even if it's not your turn. */
14171 if (appData.icsActive) {
14172 SendToICS(ics_prefix);
14173 SendToICS("resign\n");
14175 switch (gameMode) {
14176 case MachinePlaysWhite:
14177 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14179 case MachinePlaysBlack:
14180 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14183 if (cmailMsgLoaded) {
14185 if (WhiteOnMove(cmailOldMove)) {
14186 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14188 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14190 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14201 StopObservingEvent()
14203 /* Stop observing current games */
14204 SendToICS(ics_prefix);
14205 SendToICS("unobserve\n");
14209 StopExaminingEvent()
14211 /* Stop observing current game */
14212 SendToICS(ics_prefix);
14213 SendToICS("unexamine\n");
14217 ForwardInner(target)
14222 if (appData.debugMode)
14223 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14224 target, currentMove, forwardMostMove);
14226 if (gameMode == EditPosition)
14229 MarkTargetSquares(1);
14231 if (gameMode == PlayFromGameFile && !pausing)
14234 if (gameMode == IcsExamining && pausing)
14235 limit = pauseExamForwardMostMove;
14237 limit = forwardMostMove;
14239 if (target > limit) target = limit;
14241 if (target > 0 && moveList[target - 1][0]) {
14242 int fromX, fromY, toX, toY;
14243 toX = moveList[target - 1][2] - AAA;
14244 toY = moveList[target - 1][3] - ONE;
14245 if (moveList[target - 1][1] == '@') {
14246 if (appData.highlightLastMove) {
14247 SetHighlights(-1, -1, toX, toY);
14250 fromX = moveList[target - 1][0] - AAA;
14251 fromY = moveList[target - 1][1] - ONE;
14252 if (target == currentMove + 1) {
14253 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14255 if (appData.highlightLastMove) {
14256 SetHighlights(fromX, fromY, toX, toY);
14260 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14261 gameMode == Training || gameMode == PlayFromGameFile ||
14262 gameMode == AnalyzeFile) {
14263 while (currentMove < target) {
14264 SendMoveToProgram(currentMove++, &first);
14267 currentMove = target;
14270 if (gameMode == EditGame || gameMode == EndOfGame) {
14271 whiteTimeRemaining = timeRemaining[0][currentMove];
14272 blackTimeRemaining = timeRemaining[1][currentMove];
14274 DisplayBothClocks();
14275 DisplayMove(currentMove - 1);
14276 DrawPosition(FALSE, boards[currentMove]);
14277 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14278 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14279 DisplayComment(currentMove - 1, commentList[currentMove]);
14287 if (gameMode == IcsExamining && !pausing) {
14288 SendToICS(ics_prefix);
14289 SendToICS("forward\n");
14291 ForwardInner(currentMove + 1);
14298 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14299 /* to optimze, we temporarily turn off analysis mode while we feed
14300 * the remaining moves to the engine. Otherwise we get analysis output
14303 if (first.analysisSupport) {
14304 SendToProgram("exit\nforce\n", &first);
14305 first.analyzing = FALSE;
14309 if (gameMode == IcsExamining && !pausing) {
14310 SendToICS(ics_prefix);
14311 SendToICS("forward 999999\n");
14313 ForwardInner(forwardMostMove);
14316 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14317 /* we have fed all the moves, so reactivate analysis mode */
14318 SendToProgram("analyze\n", &first);
14319 first.analyzing = TRUE;
14320 /*first.maybeThinking = TRUE;*/
14321 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14326 BackwardInner(target)
14329 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14331 if (appData.debugMode)
14332 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14333 target, currentMove, forwardMostMove);
14335 if (gameMode == EditPosition) return;
14336 MarkTargetSquares(1);
14337 if (currentMove <= backwardMostMove) {
14339 DrawPosition(full_redraw, boards[currentMove]);
14342 if (gameMode == PlayFromGameFile && !pausing)
14345 if (moveList[target][0]) {
14346 int fromX, fromY, toX, toY;
14347 toX = moveList[target][2] - AAA;
14348 toY = moveList[target][3] - ONE;
14349 if (moveList[target][1] == '@') {
14350 if (appData.highlightLastMove) {
14351 SetHighlights(-1, -1, toX, toY);
14354 fromX = moveList[target][0] - AAA;
14355 fromY = moveList[target][1] - ONE;
14356 if (target == currentMove - 1) {
14357 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14359 if (appData.highlightLastMove) {
14360 SetHighlights(fromX, fromY, toX, toY);
14364 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14365 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14366 while (currentMove > target) {
14367 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14368 // null move cannot be undone. Reload program with move history before it.
14370 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14371 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14373 SendBoard(&first, i);
14374 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14377 SendToProgram("undo\n", &first);
14381 currentMove = target;
14384 if (gameMode == EditGame || gameMode == EndOfGame) {
14385 whiteTimeRemaining = timeRemaining[0][currentMove];
14386 blackTimeRemaining = timeRemaining[1][currentMove];
14388 DisplayBothClocks();
14389 DisplayMove(currentMove - 1);
14390 DrawPosition(full_redraw, boards[currentMove]);
14391 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14392 // [HGM] PV info: routine tests if comment empty
14393 DisplayComment(currentMove - 1, commentList[currentMove]);
14399 if (gameMode == IcsExamining && !pausing) {
14400 SendToICS(ics_prefix);
14401 SendToICS("backward\n");
14403 BackwardInner(currentMove - 1);
14410 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14411 /* to optimize, we temporarily turn off analysis mode while we undo
14412 * all the moves. Otherwise we get analysis output after each undo.
14414 if (first.analysisSupport) {
14415 SendToProgram("exit\nforce\n", &first);
14416 first.analyzing = FALSE;
14420 if (gameMode == IcsExamining && !pausing) {
14421 SendToICS(ics_prefix);
14422 SendToICS("backward 999999\n");
14424 BackwardInner(backwardMostMove);
14427 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14428 /* we have fed all the moves, so reactivate analysis mode */
14429 SendToProgram("analyze\n", &first);
14430 first.analyzing = TRUE;
14431 /*first.maybeThinking = TRUE;*/
14432 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14439 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14440 if (to >= forwardMostMove) to = forwardMostMove;
14441 if (to <= backwardMostMove) to = backwardMostMove;
14442 if (to < currentMove) {
14450 RevertEvent(Boolean annotate)
14452 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14455 if (gameMode != IcsExamining) {
14456 DisplayError(_("You are not examining a game"), 0);
14460 DisplayError(_("You can't revert while pausing"), 0);
14463 SendToICS(ics_prefix);
14464 SendToICS("revert\n");
14470 switch (gameMode) {
14471 case MachinePlaysWhite:
14472 case MachinePlaysBlack:
14473 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14474 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14477 if (forwardMostMove < 2) return;
14478 currentMove = forwardMostMove = forwardMostMove - 2;
14479 whiteTimeRemaining = timeRemaining[0][currentMove];
14480 blackTimeRemaining = timeRemaining[1][currentMove];
14481 DisplayBothClocks();
14482 DisplayMove(currentMove - 1);
14483 ClearHighlights();/*!! could figure this out*/
14484 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14485 SendToProgram("remove\n", &first);
14486 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14489 case BeginningOfGame:
14493 case IcsPlayingWhite:
14494 case IcsPlayingBlack:
14495 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14496 SendToICS(ics_prefix);
14497 SendToICS("takeback 2\n");
14499 SendToICS(ics_prefix);
14500 SendToICS("takeback 1\n");
14509 ChessProgramState *cps;
14511 switch (gameMode) {
14512 case MachinePlaysWhite:
14513 if (!WhiteOnMove(forwardMostMove)) {
14514 DisplayError(_("It is your turn"), 0);
14519 case MachinePlaysBlack:
14520 if (WhiteOnMove(forwardMostMove)) {
14521 DisplayError(_("It is your turn"), 0);
14526 case TwoMachinesPlay:
14527 if (WhiteOnMove(forwardMostMove) ==
14528 (first.twoMachinesColor[0] == 'w')) {
14534 case BeginningOfGame:
14538 SendToProgram("?\n", cps);
14542 TruncateGameEvent()
14545 if (gameMode != EditGame) return;
14552 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14553 if (forwardMostMove > currentMove) {
14554 if (gameInfo.resultDetails != NULL) {
14555 free(gameInfo.resultDetails);
14556 gameInfo.resultDetails = NULL;
14557 gameInfo.result = GameUnfinished;
14559 forwardMostMove = currentMove;
14560 HistorySet(parseList, backwardMostMove, forwardMostMove,
14568 if (appData.noChessProgram) return;
14569 switch (gameMode) {
14570 case MachinePlaysWhite:
14571 if (WhiteOnMove(forwardMostMove)) {
14572 DisplayError(_("Wait until your turn"), 0);
14576 case BeginningOfGame:
14577 case MachinePlaysBlack:
14578 if (!WhiteOnMove(forwardMostMove)) {
14579 DisplayError(_("Wait until your turn"), 0);
14584 DisplayError(_("No hint available"), 0);
14587 SendToProgram("hint\n", &first);
14588 hintRequested = TRUE;
14594 if (appData.noChessProgram) return;
14595 switch (gameMode) {
14596 case MachinePlaysWhite:
14597 if (WhiteOnMove(forwardMostMove)) {
14598 DisplayError(_("Wait until your turn"), 0);
14602 case BeginningOfGame:
14603 case MachinePlaysBlack:
14604 if (!WhiteOnMove(forwardMostMove)) {
14605 DisplayError(_("Wait until your turn"), 0);
14610 EditPositionDone(TRUE);
14612 case TwoMachinesPlay:
14617 SendToProgram("bk\n", &first);
14618 bookOutput[0] = NULLCHAR;
14619 bookRequested = TRUE;
14625 char *tags = PGNTags(&gameInfo);
14626 TagsPopUp(tags, CmailMsg());
14630 /* end button procedures */
14633 PrintPosition(fp, move)
14639 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14640 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14641 char c = PieceToChar(boards[move][i][j]);
14642 fputc(c == 'x' ? '.' : c, fp);
14643 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14646 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14647 fprintf(fp, "white to play\n");
14649 fprintf(fp, "black to play\n");
14656 if (gameInfo.white != NULL) {
14657 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14663 /* Find last component of program's own name, using some heuristics */
14665 TidyProgramName(prog, host, buf)
14666 char *prog, *host, buf[MSG_SIZ];
14669 int local = (strcmp(host, "localhost") == 0);
14670 while (!local && (p = strchr(prog, ';')) != NULL) {
14672 while (*p == ' ') p++;
14675 if (*prog == '"' || *prog == '\'') {
14676 q = strchr(prog + 1, *prog);
14678 q = strchr(prog, ' ');
14680 if (q == NULL) q = prog + strlen(prog);
14682 while (p >= prog && *p != '/' && *p != '\\') p--;
14684 if(p == prog && *p == '"') p++;
14685 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14686 memcpy(buf, p, q - p);
14687 buf[q - p] = NULLCHAR;
14695 TimeControlTagValue()
14698 if (!appData.clockMode) {
14699 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14700 } else if (movesPerSession > 0) {
14701 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14702 } else if (timeIncrement == 0) {
14703 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14705 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14707 return StrSave(buf);
14713 /* This routine is used only for certain modes */
14714 VariantClass v = gameInfo.variant;
14715 ChessMove r = GameUnfinished;
14718 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14719 r = gameInfo.result;
14720 p = gameInfo.resultDetails;
14721 gameInfo.resultDetails = NULL;
14723 ClearGameInfo(&gameInfo);
14724 gameInfo.variant = v;
14726 switch (gameMode) {
14727 case MachinePlaysWhite:
14728 gameInfo.event = StrSave( appData.pgnEventHeader );
14729 gameInfo.site = StrSave(HostName());
14730 gameInfo.date = PGNDate();
14731 gameInfo.round = StrSave("-");
14732 gameInfo.white = StrSave(first.tidy);
14733 gameInfo.black = StrSave(UserName());
14734 gameInfo.timeControl = TimeControlTagValue();
14737 case MachinePlaysBlack:
14738 gameInfo.event = StrSave( appData.pgnEventHeader );
14739 gameInfo.site = StrSave(HostName());
14740 gameInfo.date = PGNDate();
14741 gameInfo.round = StrSave("-");
14742 gameInfo.white = StrSave(UserName());
14743 gameInfo.black = StrSave(first.tidy);
14744 gameInfo.timeControl = TimeControlTagValue();
14747 case TwoMachinesPlay:
14748 gameInfo.event = StrSave( appData.pgnEventHeader );
14749 gameInfo.site = StrSave(HostName());
14750 gameInfo.date = PGNDate();
14753 snprintf(buf, MSG_SIZ, "%d", roundNr);
14754 gameInfo.round = StrSave(buf);
14756 gameInfo.round = StrSave("-");
14758 if (first.twoMachinesColor[0] == 'w') {
14759 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14760 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14762 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14763 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14765 gameInfo.timeControl = TimeControlTagValue();
14769 gameInfo.event = StrSave("Edited game");
14770 gameInfo.site = StrSave(HostName());
14771 gameInfo.date = PGNDate();
14772 gameInfo.round = StrSave("-");
14773 gameInfo.white = StrSave("-");
14774 gameInfo.black = StrSave("-");
14775 gameInfo.result = r;
14776 gameInfo.resultDetails = p;
14780 gameInfo.event = StrSave("Edited position");
14781 gameInfo.site = StrSave(HostName());
14782 gameInfo.date = PGNDate();
14783 gameInfo.round = StrSave("-");
14784 gameInfo.white = StrSave("-");
14785 gameInfo.black = StrSave("-");
14788 case IcsPlayingWhite:
14789 case IcsPlayingBlack:
14794 case PlayFromGameFile:
14795 gameInfo.event = StrSave("Game from non-PGN file");
14796 gameInfo.site = StrSave(HostName());
14797 gameInfo.date = PGNDate();
14798 gameInfo.round = StrSave("-");
14799 gameInfo.white = StrSave("?");
14800 gameInfo.black = StrSave("?");
14809 ReplaceComment(index, text)
14817 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14818 pvInfoList[index-1].depth == len &&
14819 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14820 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14821 while (*text == '\n') text++;
14822 len = strlen(text);
14823 while (len > 0 && text[len - 1] == '\n') len--;
14825 if (commentList[index] != NULL)
14826 free(commentList[index]);
14829 commentList[index] = NULL;
14832 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14833 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14834 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14835 commentList[index] = (char *) malloc(len + 2);
14836 strncpy(commentList[index], text, len);
14837 commentList[index][len] = '\n';
14838 commentList[index][len + 1] = NULLCHAR;
14840 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14842 commentList[index] = (char *) malloc(len + 7);
14843 safeStrCpy(commentList[index], "{\n", 3);
14844 safeStrCpy(commentList[index]+2, text, len+1);
14845 commentList[index][len+2] = NULLCHAR;
14846 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14847 strcat(commentList[index], "\n}\n");
14861 if (ch == '\r') continue;
14863 } while (ch != '\0');
14867 AppendComment(index, text, addBraces)
14870 Boolean addBraces; // [HGM] braces: tells if we should add {}
14875 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14876 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14879 while (*text == '\n') text++;
14880 len = strlen(text);
14881 while (len > 0 && text[len - 1] == '\n') len--;
14883 if (len == 0) return;
14885 if (commentList[index] != NULL) {
14886 Boolean addClosingBrace = addBraces;
14887 old = commentList[index];
14888 oldlen = strlen(old);
14889 while(commentList[index][oldlen-1] == '\n')
14890 commentList[index][--oldlen] = NULLCHAR;
14891 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14892 safeStrCpy(commentList[index], old, oldlen + len + 6);
14894 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14895 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14896 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14897 while (*text == '\n') { text++; len--; }
14898 commentList[index][--oldlen] = NULLCHAR;
14900 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14901 else strcat(commentList[index], "\n");
14902 strcat(commentList[index], text);
14903 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14904 else strcat(commentList[index], "\n");
14906 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14908 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14909 else commentList[index][0] = NULLCHAR;
14910 strcat(commentList[index], text);
14911 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14912 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14916 static char * FindStr( char * text, char * sub_text )
14918 char * result = strstr( text, sub_text );
14920 if( result != NULL ) {
14921 result += strlen( sub_text );
14927 /* [AS] Try to extract PV info from PGN comment */
14928 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14929 char *GetInfoFromComment( int index, char * text )
14931 char * sep = text, *p;
14933 if( text != NULL && index > 0 ) {
14936 int time = -1, sec = 0, deci;
14937 char * s_eval = FindStr( text, "[%eval " );
14938 char * s_emt = FindStr( text, "[%emt " );
14940 if( s_eval != NULL || s_emt != NULL ) {
14944 if( s_eval != NULL ) {
14945 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14949 if( delim != ']' ) {
14954 if( s_emt != NULL ) {
14959 /* We expect something like: [+|-]nnn.nn/dd */
14962 if(*text != '{') return text; // [HGM] braces: must be normal comment
14964 sep = strchr( text, '/' );
14965 if( sep == NULL || sep < (text+4) ) {
14970 if(p[1] == '(') { // comment starts with PV
14971 p = strchr(p, ')'); // locate end of PV
14972 if(p == NULL || sep < p+5) return text;
14973 // at this point we have something like "{(.*) +0.23/6 ..."
14974 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14975 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14976 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14978 time = -1; sec = -1; deci = -1;
14979 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14980 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14981 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14982 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14986 if( score_lo < 0 || score_lo >= 100 ) {
14990 if(sec >= 0) time = 600*time + 10*sec; else
14991 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14993 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14995 /* [HGM] PV time: now locate end of PV info */
14996 while( *++sep >= '0' && *sep <= '9'); // strip depth
14998 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15000 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15002 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15003 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15014 pvInfoList[index-1].depth = depth;
15015 pvInfoList[index-1].score = score;
15016 pvInfoList[index-1].time = 10*time; // centi-sec
15017 if(*sep == '}') *sep = 0; else *--sep = '{';
15018 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15024 SendToProgram(message, cps)
15026 ChessProgramState *cps;
15028 int count, outCount, error;
15031 if (cps->pr == NoProc) return;
15034 if (appData.debugMode) {
15037 fprintf(debugFP, "%ld >%-6s: %s",
15038 SubtractTimeMarks(&now, &programStartTime),
15039 cps->which, message);
15042 count = strlen(message);
15043 outCount = OutputToProcess(cps->pr, message, count, &error);
15044 if (outCount < count && !exiting
15045 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15046 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15047 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15048 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15049 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15050 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15051 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15052 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15054 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15055 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15056 gameInfo.result = res;
15058 gameInfo.resultDetails = StrSave(buf);
15060 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15061 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15066 ReceiveFromProgram(isr, closure, message, count, error)
15067 InputSourceRef isr;
15075 ChessProgramState *cps = (ChessProgramState *)closure;
15077 if (isr != cps->isr) return; /* Killed intentionally */
15080 RemoveInputSource(cps->isr);
15081 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15082 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15083 _(cps->which), cps->program);
15084 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15085 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15086 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15087 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15088 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15090 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15091 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15092 gameInfo.result = res;
15094 gameInfo.resultDetails = StrSave(buf);
15096 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15097 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15099 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15100 _(cps->which), cps->program);
15101 RemoveInputSource(cps->isr);
15103 /* [AS] Program is misbehaving badly... kill it */
15104 if( count == -2 ) {
15105 DestroyChildProcess( cps->pr, 9 );
15109 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15114 if ((end_str = strchr(message, '\r')) != NULL)
15115 *end_str = NULLCHAR;
15116 if ((end_str = strchr(message, '\n')) != NULL)
15117 *end_str = NULLCHAR;
15119 if (appData.debugMode) {
15120 TimeMark now; int print = 1;
15121 char *quote = ""; char c; int i;
15123 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15124 char start = message[0];
15125 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15126 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15127 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15128 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15129 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15130 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15131 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15132 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15133 sscanf(message, "hint: %c", &c)!=1 &&
15134 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15135 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15136 print = (appData.engineComments >= 2);
15138 message[0] = start; // restore original message
15142 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15143 SubtractTimeMarks(&now, &programStartTime), cps->which,
15149 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15150 if (appData.icsEngineAnalyze) {
15151 if (strstr(message, "whisper") != NULL ||
15152 strstr(message, "kibitz") != NULL ||
15153 strstr(message, "tellics") != NULL) return;
15156 HandleMachineMove(message, cps);
15161 SendTimeControl(cps, mps, tc, inc, sd, st)
15162 ChessProgramState *cps;
15163 int mps, inc, sd, st;
15169 if( timeControl_2 > 0 ) {
15170 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15171 tc = timeControl_2;
15174 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15175 inc /= cps->timeOdds;
15176 st /= cps->timeOdds;
15178 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15181 /* Set exact time per move, normally using st command */
15182 if (cps->stKludge) {
15183 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15185 if (seconds == 0) {
15186 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15188 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15191 snprintf(buf, MSG_SIZ, "st %d\n", st);
15194 /* Set conventional or incremental time control, using level command */
15195 if (seconds == 0) {
15196 /* Note old gnuchess bug -- minutes:seconds used to not work.
15197 Fixed in later versions, but still avoid :seconds
15198 when seconds is 0. */
15199 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15201 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15202 seconds, inc/1000.);
15205 SendToProgram(buf, cps);
15207 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15208 /* Orthogonally, limit search to given depth */
15210 if (cps->sdKludge) {
15211 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15213 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15215 SendToProgram(buf, cps);
15218 if(cps->nps >= 0) { /* [HGM] nps */
15219 if(cps->supportsNPS == FALSE)
15220 cps->nps = -1; // don't use if engine explicitly says not supported!
15222 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15223 SendToProgram(buf, cps);
15228 ChessProgramState *WhitePlayer()
15229 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15231 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15232 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15238 SendTimeRemaining(cps, machineWhite)
15239 ChessProgramState *cps;
15240 int /*boolean*/ machineWhite;
15242 char message[MSG_SIZ];
15245 /* Note: this routine must be called when the clocks are stopped
15246 or when they have *just* been set or switched; otherwise
15247 it will be off by the time since the current tick started.
15249 if (machineWhite) {
15250 time = whiteTimeRemaining / 10;
15251 otime = blackTimeRemaining / 10;
15253 time = blackTimeRemaining / 10;
15254 otime = whiteTimeRemaining / 10;
15256 /* [HGM] translate opponent's time by time-odds factor */
15257 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15258 if (appData.debugMode) {
15259 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
15262 if (time <= 0) time = 1;
15263 if (otime <= 0) otime = 1;
15265 snprintf(message, MSG_SIZ, "time %ld\n", time);
15266 SendToProgram(message, cps);
15268 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15269 SendToProgram(message, cps);
15273 BoolFeature(p, name, loc, cps)
15277 ChessProgramState *cps;
15280 int len = strlen(name);
15283 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15285 sscanf(*p, "%d", &val);
15287 while (**p && **p != ' ')
15289 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15290 SendToProgram(buf, cps);
15297 IntFeature(p, name, loc, cps)
15301 ChessProgramState *cps;
15304 int len = strlen(name);
15305 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15307 sscanf(*p, "%d", loc);
15308 while (**p && **p != ' ') (*p)++;
15309 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15310 SendToProgram(buf, cps);
15317 StringFeature(p, name, loc, cps)
15321 ChessProgramState *cps;
15324 int len = strlen(name);
15325 if (strncmp((*p), name, len) == 0
15326 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15328 sscanf(*p, "%[^\"]", loc);
15329 while (**p && **p != '\"') (*p)++;
15330 if (**p == '\"') (*p)++;
15331 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15332 SendToProgram(buf, cps);
15339 ParseOption(Option *opt, ChessProgramState *cps)
15340 // [HGM] options: process the string that defines an engine option, and determine
15341 // name, type, default value, and allowed value range
15343 char *p, *q, buf[MSG_SIZ];
15344 int n, min = (-1)<<31, max = 1<<31, def;
15346 if(p = strstr(opt->name, " -spin ")) {
15347 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15348 if(max < min) max = min; // enforce consistency
15349 if(def < min) def = min;
15350 if(def > max) def = max;
15355 } else if((p = strstr(opt->name, " -slider "))) {
15356 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15357 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15358 if(max < min) max = min; // enforce consistency
15359 if(def < min) def = min;
15360 if(def > max) def = max;
15364 opt->type = Spin; // Slider;
15365 } else if((p = strstr(opt->name, " -string "))) {
15366 opt->textValue = p+9;
15367 opt->type = TextBox;
15368 } else if((p = strstr(opt->name, " -file "))) {
15369 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15370 opt->textValue = p+7;
15371 opt->type = FileName; // FileName;
15372 } else if((p = strstr(opt->name, " -path "))) {
15373 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15374 opt->textValue = p+7;
15375 opt->type = PathName; // PathName;
15376 } else if(p = strstr(opt->name, " -check ")) {
15377 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15378 opt->value = (def != 0);
15379 opt->type = CheckBox;
15380 } else if(p = strstr(opt->name, " -combo ")) {
15381 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15382 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15383 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15384 opt->value = n = 0;
15385 while(q = StrStr(q, " /// ")) {
15386 n++; *q = 0; // count choices, and null-terminate each of them
15388 if(*q == '*') { // remember default, which is marked with * prefix
15392 cps->comboList[cps->comboCnt++] = q;
15394 cps->comboList[cps->comboCnt++] = NULL;
15396 opt->type = ComboBox;
15397 } else if(p = strstr(opt->name, " -button")) {
15398 opt->type = Button;
15399 } else if(p = strstr(opt->name, " -save")) {
15400 opt->type = SaveButton;
15401 } else return FALSE;
15402 *p = 0; // terminate option name
15403 // now look if the command-line options define a setting for this engine option.
15404 if(cps->optionSettings && cps->optionSettings[0])
15405 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15406 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15407 snprintf(buf, MSG_SIZ, "option %s", p);
15408 if(p = strstr(buf, ",")) *p = 0;
15409 if(q = strchr(buf, '=')) switch(opt->type) {
15411 for(n=0; n<opt->max; n++)
15412 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15415 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15419 opt->value = atoi(q+1);
15424 SendToProgram(buf, cps);
15430 FeatureDone(cps, val)
15431 ChessProgramState* cps;
15434 DelayedEventCallback cb = GetDelayedEvent();
15435 if ((cb == InitBackEnd3 && cps == &first) ||
15436 (cb == SettingsMenuIfReady && cps == &second) ||
15437 (cb == LoadEngine) ||
15438 (cb == TwoMachinesEventIfReady)) {
15439 CancelDelayedEvent();
15440 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15442 cps->initDone = val;
15445 /* Parse feature command from engine */
15447 ParseFeatures(args, cps)
15449 ChessProgramState *cps;
15457 while (*p == ' ') p++;
15458 if (*p == NULLCHAR) return;
15460 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15461 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15462 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15463 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15464 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15465 if (BoolFeature(&p, "reuse", &val, cps)) {
15466 /* Engine can disable reuse, but can't enable it if user said no */
15467 if (!val) cps->reuse = FALSE;
15470 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15471 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
15472 if (gameMode == TwoMachinesPlay) {
15473 DisplayTwoMachinesTitle();
15479 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
15480 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15481 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15482 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15483 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15484 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15485 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15486 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15487 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15488 if (IntFeature(&p, "done", &val, cps)) {
15489 FeatureDone(cps, val);
15492 /* Added by Tord: */
15493 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15494 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15495 /* End of additions by Tord */
15497 /* [HGM] added features: */
15498 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15499 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15500 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15501 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15502 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15503 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
15504 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
15505 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15506 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15507 SendToProgram(buf, cps);
15510 if(cps->nrOptions >= MAX_OPTIONS) {
15512 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15513 DisplayError(buf, 0);
15517 /* End of additions by HGM */
15519 /* unknown feature: complain and skip */
15521 while (*q && *q != '=') q++;
15522 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15523 SendToProgram(buf, cps);
15529 while (*p && *p != '\"') p++;
15530 if (*p == '\"') p++;
15532 while (*p && *p != ' ') p++;
15540 PeriodicUpdatesEvent(newState)
15543 if (newState == appData.periodicUpdates)
15546 appData.periodicUpdates=newState;
15548 /* Display type changes, so update it now */
15549 // DisplayAnalysis();
15551 /* Get the ball rolling again... */
15553 AnalysisPeriodicEvent(1);
15554 StartAnalysisClock();
15559 PonderNextMoveEvent(newState)
15562 if (newState == appData.ponderNextMove) return;
15563 if (gameMode == EditPosition) EditPositionDone(TRUE);
15565 SendToProgram("hard\n", &first);
15566 if (gameMode == TwoMachinesPlay) {
15567 SendToProgram("hard\n", &second);
15570 SendToProgram("easy\n", &first);
15571 thinkOutput[0] = NULLCHAR;
15572 if (gameMode == TwoMachinesPlay) {
15573 SendToProgram("easy\n", &second);
15576 appData.ponderNextMove = newState;
15580 NewSettingEvent(option, feature, command, value)
15582 int option, value, *feature;
15586 if (gameMode == EditPosition) EditPositionDone(TRUE);
15587 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15588 if(feature == NULL || *feature) SendToProgram(buf, &first);
15589 if (gameMode == TwoMachinesPlay) {
15590 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15595 ShowThinkingEvent()
15596 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15598 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15599 int newState = appData.showThinking
15600 // [HGM] thinking: other features now need thinking output as well
15601 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15603 if (oldState == newState) return;
15604 oldState = newState;
15605 if (gameMode == EditPosition) EditPositionDone(TRUE);
15607 SendToProgram("post\n", &first);
15608 if (gameMode == TwoMachinesPlay) {
15609 SendToProgram("post\n", &second);
15612 SendToProgram("nopost\n", &first);
15613 thinkOutput[0] = NULLCHAR;
15614 if (gameMode == TwoMachinesPlay) {
15615 SendToProgram("nopost\n", &second);
15618 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15622 AskQuestionEvent(title, question, replyPrefix, which)
15623 char *title; char *question; char *replyPrefix; char *which;
15625 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15626 if (pr == NoProc) return;
15627 AskQuestion(title, question, replyPrefix, pr);
15631 TypeInEvent(char firstChar)
15633 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15634 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15635 gameMode == AnalyzeMode || gameMode == EditGame ||
15636 gameMode == EditPosition || gameMode == IcsExamining ||
15637 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15638 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15639 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15640 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15641 gameMode == Training) PopUpMoveDialog(firstChar);
15645 TypeInDoneEvent(char *move)
15648 int n, fromX, fromY, toX, toY;
15650 ChessMove moveType;
15653 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15654 EditPositionPasteFEN(move);
15657 // [HGM] movenum: allow move number to be typed in any mode
15658 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15663 if (gameMode != EditGame && currentMove != forwardMostMove &&
15664 gameMode != Training) {
15665 DisplayMoveError(_("Displayed move is not current"));
15667 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15668 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15669 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15670 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15671 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15672 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15674 DisplayMoveError(_("Could not parse move"));
15680 DisplayMove(moveNumber)
15683 char message[MSG_SIZ];
15685 char cpThinkOutput[MSG_SIZ];
15687 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15689 if (moveNumber == forwardMostMove - 1 ||
15690 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15692 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15694 if (strchr(cpThinkOutput, '\n')) {
15695 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15698 *cpThinkOutput = NULLCHAR;
15701 /* [AS] Hide thinking from human user */
15702 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15703 *cpThinkOutput = NULLCHAR;
15704 if( thinkOutput[0] != NULLCHAR ) {
15707 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15708 cpThinkOutput[i] = '.';
15710 cpThinkOutput[i] = NULLCHAR;
15711 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15715 if (moveNumber == forwardMostMove - 1 &&
15716 gameInfo.resultDetails != NULL) {
15717 if (gameInfo.resultDetails[0] == NULLCHAR) {
15718 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15720 snprintf(res, MSG_SIZ, " {%s} %s",
15721 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15727 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15728 DisplayMessage(res, cpThinkOutput);
15730 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15731 WhiteOnMove(moveNumber) ? " " : ".. ",
15732 parseList[moveNumber], res);
15733 DisplayMessage(message, cpThinkOutput);
15738 DisplayComment(moveNumber, text)
15742 char title[MSG_SIZ];
15744 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15745 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15747 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15748 WhiteOnMove(moveNumber) ? " " : ".. ",
15749 parseList[moveNumber]);
15751 if (text != NULL && (appData.autoDisplayComment || commentUp))
15752 CommentPopUp(title, text);
15755 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15756 * might be busy thinking or pondering. It can be omitted if your
15757 * gnuchess is configured to stop thinking immediately on any user
15758 * input. However, that gnuchess feature depends on the FIONREAD
15759 * ioctl, which does not work properly on some flavors of Unix.
15763 ChessProgramState *cps;
15766 if (!cps->useSigint) return;
15767 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15768 switch (gameMode) {
15769 case MachinePlaysWhite:
15770 case MachinePlaysBlack:
15771 case TwoMachinesPlay:
15772 case IcsPlayingWhite:
15773 case IcsPlayingBlack:
15776 /* Skip if we know it isn't thinking */
15777 if (!cps->maybeThinking) return;
15778 if (appData.debugMode)
15779 fprintf(debugFP, "Interrupting %s\n", cps->which);
15780 InterruptChildProcess(cps->pr);
15781 cps->maybeThinking = FALSE;
15786 #endif /*ATTENTION*/
15792 if (whiteTimeRemaining <= 0) {
15795 if (appData.icsActive) {
15796 if (appData.autoCallFlag &&
15797 gameMode == IcsPlayingBlack && !blackFlag) {
15798 SendToICS(ics_prefix);
15799 SendToICS("flag\n");
15803 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15805 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15806 if (appData.autoCallFlag) {
15807 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15814 if (blackTimeRemaining <= 0) {
15817 if (appData.icsActive) {
15818 if (appData.autoCallFlag &&
15819 gameMode == IcsPlayingWhite && !whiteFlag) {
15820 SendToICS(ics_prefix);
15821 SendToICS("flag\n");
15825 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15827 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15828 if (appData.autoCallFlag) {
15829 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15842 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15843 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15846 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15848 if ( !WhiteOnMove(forwardMostMove) ) {
15849 /* White made time control */
15850 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15851 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15852 /* [HGM] time odds: correct new time quota for time odds! */
15853 / WhitePlayer()->timeOdds;
15854 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15856 lastBlack -= blackTimeRemaining;
15857 /* Black made time control */
15858 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15859 / WhitePlayer()->other->timeOdds;
15860 lastWhite = whiteTimeRemaining;
15865 DisplayBothClocks()
15867 int wom = gameMode == EditPosition ?
15868 !blackPlaysFirst : WhiteOnMove(currentMove);
15869 DisplayWhiteClock(whiteTimeRemaining, wom);
15870 DisplayBlackClock(blackTimeRemaining, !wom);
15874 /* Timekeeping seems to be a portability nightmare. I think everyone
15875 has ftime(), but I'm really not sure, so I'm including some ifdefs
15876 to use other calls if you don't. Clocks will be less accurate if
15877 you have neither ftime nor gettimeofday.
15880 /* VS 2008 requires the #include outside of the function */
15881 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15882 #include <sys/timeb.h>
15885 /* Get the current time as a TimeMark */
15890 #if HAVE_GETTIMEOFDAY
15892 struct timeval timeVal;
15893 struct timezone timeZone;
15895 gettimeofday(&timeVal, &timeZone);
15896 tm->sec = (long) timeVal.tv_sec;
15897 tm->ms = (int) (timeVal.tv_usec / 1000L);
15899 #else /*!HAVE_GETTIMEOFDAY*/
15902 // include <sys/timeb.h> / moved to just above start of function
15903 struct timeb timeB;
15906 tm->sec = (long) timeB.time;
15907 tm->ms = (int) timeB.millitm;
15909 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15910 tm->sec = (long) time(NULL);
15916 /* Return the difference in milliseconds between two
15917 time marks. We assume the difference will fit in a long!
15920 SubtractTimeMarks(tm2, tm1)
15921 TimeMark *tm2, *tm1;
15923 return 1000L*(tm2->sec - tm1->sec) +
15924 (long) (tm2->ms - tm1->ms);
15929 * Code to manage the game clocks.
15931 * In tournament play, black starts the clock and then white makes a move.
15932 * We give the human user a slight advantage if he is playing white---the
15933 * clocks don't run until he makes his first move, so it takes zero time.
15934 * Also, we don't account for network lag, so we could get out of sync
15935 * with GNU Chess's clock -- but then, referees are always right.
15938 static TimeMark tickStartTM;
15939 static long intendedTickLength;
15942 NextTickLength(timeRemaining)
15943 long timeRemaining;
15945 long nominalTickLength, nextTickLength;
15947 if (timeRemaining > 0L && timeRemaining <= 10000L)
15948 nominalTickLength = 100L;
15950 nominalTickLength = 1000L;
15951 nextTickLength = timeRemaining % nominalTickLength;
15952 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15954 return nextTickLength;
15957 /* Adjust clock one minute up or down */
15959 AdjustClock(Boolean which, int dir)
15961 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15962 if(which) blackTimeRemaining += 60000*dir;
15963 else whiteTimeRemaining += 60000*dir;
15964 DisplayBothClocks();
15965 adjustedClock = TRUE;
15968 /* Stop clocks and reset to a fresh time control */
15972 (void) StopClockTimer();
15973 if (appData.icsActive) {
15974 whiteTimeRemaining = blackTimeRemaining = 0;
15975 } else if (searchTime) {
15976 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15977 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15978 } else { /* [HGM] correct new time quote for time odds */
15979 whiteTC = blackTC = fullTimeControlString;
15980 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15981 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15983 if (whiteFlag || blackFlag) {
15985 whiteFlag = blackFlag = FALSE;
15987 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15988 DisplayBothClocks();
15989 adjustedClock = FALSE;
15992 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15994 /* Decrement running clock by amount of time that has passed */
15998 long timeRemaining;
15999 long lastTickLength, fudge;
16002 if (!appData.clockMode) return;
16003 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16007 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16009 /* Fudge if we woke up a little too soon */
16010 fudge = intendedTickLength - lastTickLength;
16011 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16013 if (WhiteOnMove(forwardMostMove)) {
16014 if(whiteNPS >= 0) lastTickLength = 0;
16015 timeRemaining = whiteTimeRemaining -= lastTickLength;
16016 if(timeRemaining < 0 && !appData.icsActive) {
16017 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16018 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16019 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16020 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16023 DisplayWhiteClock(whiteTimeRemaining - fudge,
16024 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16026 if(blackNPS >= 0) lastTickLength = 0;
16027 timeRemaining = blackTimeRemaining -= lastTickLength;
16028 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16029 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16031 blackStartMove = forwardMostMove;
16032 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16035 DisplayBlackClock(blackTimeRemaining - fudge,
16036 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16038 if (CheckFlags()) return;
16041 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16042 StartClockTimer(intendedTickLength);
16044 /* if the time remaining has fallen below the alarm threshold, sound the
16045 * alarm. if the alarm has sounded and (due to a takeback or time control
16046 * with increment) the time remaining has increased to a level above the
16047 * threshold, reset the alarm so it can sound again.
16050 if (appData.icsActive && appData.icsAlarm) {
16052 /* make sure we are dealing with the user's clock */
16053 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16054 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16057 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16058 alarmSounded = FALSE;
16059 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16061 alarmSounded = TRUE;
16067 /* A player has just moved, so stop the previously running
16068 clock and (if in clock mode) start the other one.
16069 We redisplay both clocks in case we're in ICS mode, because
16070 ICS gives us an update to both clocks after every move.
16071 Note that this routine is called *after* forwardMostMove
16072 is updated, so the last fractional tick must be subtracted
16073 from the color that is *not* on move now.
16076 SwitchClocks(int newMoveNr)
16078 long lastTickLength;
16080 int flagged = FALSE;
16084 if (StopClockTimer() && appData.clockMode) {
16085 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16086 if (!WhiteOnMove(forwardMostMove)) {
16087 if(blackNPS >= 0) lastTickLength = 0;
16088 blackTimeRemaining -= lastTickLength;
16089 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16090 // if(pvInfoList[forwardMostMove].time == -1)
16091 pvInfoList[forwardMostMove].time = // use GUI time
16092 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16094 if(whiteNPS >= 0) lastTickLength = 0;
16095 whiteTimeRemaining -= lastTickLength;
16096 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16097 // if(pvInfoList[forwardMostMove].time == -1)
16098 pvInfoList[forwardMostMove].time =
16099 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16101 flagged = CheckFlags();
16103 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16104 CheckTimeControl();
16106 if (flagged || !appData.clockMode) return;
16108 switch (gameMode) {
16109 case MachinePlaysBlack:
16110 case MachinePlaysWhite:
16111 case BeginningOfGame:
16112 if (pausing) return;
16116 case PlayFromGameFile:
16124 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16125 if(WhiteOnMove(forwardMostMove))
16126 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16127 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16131 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16132 whiteTimeRemaining : blackTimeRemaining);
16133 StartClockTimer(intendedTickLength);
16137 /* Stop both clocks */
16141 long lastTickLength;
16144 if (!StopClockTimer()) return;
16145 if (!appData.clockMode) return;
16149 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16150 if (WhiteOnMove(forwardMostMove)) {
16151 if(whiteNPS >= 0) lastTickLength = 0;
16152 whiteTimeRemaining -= lastTickLength;
16153 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16155 if(blackNPS >= 0) lastTickLength = 0;
16156 blackTimeRemaining -= lastTickLength;
16157 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16162 /* Start clock of player on move. Time may have been reset, so
16163 if clock is already running, stop and restart it. */
16167 (void) StopClockTimer(); /* in case it was running already */
16168 DisplayBothClocks();
16169 if (CheckFlags()) return;
16171 if (!appData.clockMode) return;
16172 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16174 GetTimeMark(&tickStartTM);
16175 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16176 whiteTimeRemaining : blackTimeRemaining);
16178 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16179 whiteNPS = blackNPS = -1;
16180 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16181 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16182 whiteNPS = first.nps;
16183 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16184 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16185 blackNPS = first.nps;
16186 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16187 whiteNPS = second.nps;
16188 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16189 blackNPS = second.nps;
16190 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16192 StartClockTimer(intendedTickLength);
16199 long second, minute, hour, day;
16201 static char buf[32];
16203 if (ms > 0 && ms <= 9900) {
16204 /* convert milliseconds to tenths, rounding up */
16205 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16207 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16211 /* convert milliseconds to seconds, rounding up */
16212 /* use floating point to avoid strangeness of integer division
16213 with negative dividends on many machines */
16214 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16221 day = second / (60 * 60 * 24);
16222 second = second % (60 * 60 * 24);
16223 hour = second / (60 * 60);
16224 second = second % (60 * 60);
16225 minute = second / 60;
16226 second = second % 60;
16229 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16230 sign, day, hour, minute, second);
16232 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16234 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16241 * This is necessary because some C libraries aren't ANSI C compliant yet.
16244 StrStr(string, match)
16245 char *string, *match;
16249 length = strlen(match);
16251 for (i = strlen(string) - length; i >= 0; i--, string++)
16252 if (!strncmp(match, string, length))
16259 StrCaseStr(string, match)
16260 char *string, *match;
16264 length = strlen(match);
16266 for (i = strlen(string) - length; i >= 0; i--, string++) {
16267 for (j = 0; j < length; j++) {
16268 if (ToLower(match[j]) != ToLower(string[j]))
16271 if (j == length) return string;
16285 c1 = ToLower(*s1++);
16286 c2 = ToLower(*s2++);
16287 if (c1 > c2) return 1;
16288 if (c1 < c2) return -1;
16289 if (c1 == NULLCHAR) return 0;
16298 return isupper(c) ? tolower(c) : c;
16306 return islower(c) ? toupper(c) : c;
16308 #endif /* !_amigados */
16316 if ((ret = (char *) malloc(strlen(s) + 1)))
16318 safeStrCpy(ret, s, strlen(s)+1);
16324 StrSavePtr(s, savePtr)
16325 char *s, **savePtr;
16330 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16331 safeStrCpy(*savePtr, s, strlen(s)+1);
16343 clock = time((time_t *)NULL);
16344 tm = localtime(&clock);
16345 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16346 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16347 return StrSave(buf);
16352 PositionToFEN(move, overrideCastling)
16354 char *overrideCastling;
16356 int i, j, fromX, fromY, toX, toY;
16363 whiteToPlay = (gameMode == EditPosition) ?
16364 !blackPlaysFirst : (move % 2 == 0);
16367 /* Piece placement data */
16368 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16369 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16371 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16372 if (boards[move][i][j] == EmptySquare) {
16374 } else { ChessSquare piece = boards[move][i][j];
16375 if (emptycount > 0) {
16376 if(emptycount<10) /* [HGM] can be >= 10 */
16377 *p++ = '0' + emptycount;
16378 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16381 if(PieceToChar(piece) == '+') {
16382 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16384 piece = (ChessSquare)(DEMOTED piece);
16386 *p++ = PieceToChar(piece);
16388 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16389 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16394 if (emptycount > 0) {
16395 if(emptycount<10) /* [HGM] can be >= 10 */
16396 *p++ = '0' + emptycount;
16397 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16404 /* [HGM] print Crazyhouse or Shogi holdings */
16405 if( gameInfo.holdingsWidth ) {
16406 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16408 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16409 piece = boards[move][i][BOARD_WIDTH-1];
16410 if( piece != EmptySquare )
16411 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16412 *p++ = PieceToChar(piece);
16414 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16415 piece = boards[move][BOARD_HEIGHT-i-1][0];
16416 if( piece != EmptySquare )
16417 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16418 *p++ = PieceToChar(piece);
16421 if( q == p ) *p++ = '-';
16427 *p++ = whiteToPlay ? 'w' : 'b';
16430 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16431 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16433 if(nrCastlingRights) {
16435 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16436 /* [HGM] write directly from rights */
16437 if(boards[move][CASTLING][2] != NoRights &&
16438 boards[move][CASTLING][0] != NoRights )
16439 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16440 if(boards[move][CASTLING][2] != NoRights &&
16441 boards[move][CASTLING][1] != NoRights )
16442 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16443 if(boards[move][CASTLING][5] != NoRights &&
16444 boards[move][CASTLING][3] != NoRights )
16445 *p++ = boards[move][CASTLING][3] + AAA;
16446 if(boards[move][CASTLING][5] != NoRights &&
16447 boards[move][CASTLING][4] != NoRights )
16448 *p++ = boards[move][CASTLING][4] + AAA;
16451 /* [HGM] write true castling rights */
16452 if( nrCastlingRights == 6 ) {
16453 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16454 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16455 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16456 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16457 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16458 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16459 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16460 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16463 if (q == p) *p++ = '-'; /* No castling rights */
16467 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16468 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16469 /* En passant target square */
16470 if (move > backwardMostMove) {
16471 fromX = moveList[move - 1][0] - AAA;
16472 fromY = moveList[move - 1][1] - ONE;
16473 toX = moveList[move - 1][2] - AAA;
16474 toY = moveList[move - 1][3] - ONE;
16475 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16476 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16477 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16479 /* 2-square pawn move just happened */
16481 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16485 } else if(move == backwardMostMove) {
16486 // [HGM] perhaps we should always do it like this, and forget the above?
16487 if((signed char)boards[move][EP_STATUS] >= 0) {
16488 *p++ = boards[move][EP_STATUS] + AAA;
16489 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16500 /* [HGM] find reversible plies */
16501 { int i = 0, j=move;
16503 if (appData.debugMode) { int k;
16504 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16505 for(k=backwardMostMove; k<=forwardMostMove; k++)
16506 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16510 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16511 if( j == backwardMostMove ) i += initialRulePlies;
16512 sprintf(p, "%d ", i);
16513 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16515 /* Fullmove number */
16516 sprintf(p, "%d", (move / 2) + 1);
16518 return StrSave(buf);
16522 ParseFEN(board, blackPlaysFirst, fen)
16524 int *blackPlaysFirst;
16534 /* [HGM] by default clear Crazyhouse holdings, if present */
16535 if(gameInfo.holdingsWidth) {
16536 for(i=0; i<BOARD_HEIGHT; i++) {
16537 board[i][0] = EmptySquare; /* black holdings */
16538 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16539 board[i][1] = (ChessSquare) 0; /* black counts */
16540 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16544 /* Piece placement data */
16545 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16548 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16549 if (*p == '/') p++;
16550 emptycount = gameInfo.boardWidth - j;
16551 while (emptycount--)
16552 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16554 #if(BOARD_FILES >= 10)
16555 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16556 p++; emptycount=10;
16557 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16558 while (emptycount--)
16559 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16561 } else if (isdigit(*p)) {
16562 emptycount = *p++ - '0';
16563 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16564 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16565 while (emptycount--)
16566 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16567 } else if (*p == '+' || isalpha(*p)) {
16568 if (j >= gameInfo.boardWidth) return FALSE;
16570 piece = CharToPiece(*++p);
16571 if(piece == EmptySquare) return FALSE; /* unknown piece */
16572 piece = (ChessSquare) (PROMOTED piece ); p++;
16573 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16574 } else piece = CharToPiece(*p++);
16576 if(piece==EmptySquare) return FALSE; /* unknown piece */
16577 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16578 piece = (ChessSquare) (PROMOTED piece);
16579 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16582 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16588 while (*p == '/' || *p == ' ') p++;
16590 /* [HGM] look for Crazyhouse holdings here */
16591 while(*p==' ') p++;
16592 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16594 if(*p == '-' ) p++; /* empty holdings */ else {
16595 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16596 /* if we would allow FEN reading to set board size, we would */
16597 /* have to add holdings and shift the board read so far here */
16598 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16600 if((int) piece >= (int) BlackPawn ) {
16601 i = (int)piece - (int)BlackPawn;
16602 i = PieceToNumber((ChessSquare)i);
16603 if( i >= gameInfo.holdingsSize ) return FALSE;
16604 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16605 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16607 i = (int)piece - (int)WhitePawn;
16608 i = PieceToNumber((ChessSquare)i);
16609 if( i >= gameInfo.holdingsSize ) return FALSE;
16610 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16611 board[i][BOARD_WIDTH-2]++; /* black holdings */
16618 while(*p == ' ') p++;
16622 if(appData.colorNickNames) {
16623 if( c == appData.colorNickNames[0] ) c = 'w'; else
16624 if( c == appData.colorNickNames[1] ) c = 'b';
16628 *blackPlaysFirst = FALSE;
16631 *blackPlaysFirst = TRUE;
16637 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16638 /* return the extra info in global variiables */
16640 /* set defaults in case FEN is incomplete */
16641 board[EP_STATUS] = EP_UNKNOWN;
16642 for(i=0; i<nrCastlingRights; i++ ) {
16643 board[CASTLING][i] =
16644 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16645 } /* assume possible unless obviously impossible */
16646 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16647 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16648 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16649 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16650 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16651 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16652 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16653 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16656 while(*p==' ') p++;
16657 if(nrCastlingRights) {
16658 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16659 /* castling indicator present, so default becomes no castlings */
16660 for(i=0; i<nrCastlingRights; i++ ) {
16661 board[CASTLING][i] = NoRights;
16664 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16665 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16666 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16667 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16668 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16670 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16671 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16672 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16674 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16675 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16676 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16677 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16678 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16679 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16682 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16683 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16684 board[CASTLING][2] = whiteKingFile;
16687 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16688 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16689 board[CASTLING][2] = whiteKingFile;
16692 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16693 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16694 board[CASTLING][5] = blackKingFile;
16697 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16698 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16699 board[CASTLING][5] = blackKingFile;
16702 default: /* FRC castlings */
16703 if(c >= 'a') { /* black rights */
16704 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16705 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16706 if(i == BOARD_RGHT) break;
16707 board[CASTLING][5] = i;
16709 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16710 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16712 board[CASTLING][3] = c;
16714 board[CASTLING][4] = c;
16715 } else { /* white rights */
16716 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16717 if(board[0][i] == WhiteKing) break;
16718 if(i == BOARD_RGHT) break;
16719 board[CASTLING][2] = i;
16720 c -= AAA - 'a' + 'A';
16721 if(board[0][c] >= WhiteKing) break;
16723 board[CASTLING][0] = c;
16725 board[CASTLING][1] = c;
16729 for(i=0; i<nrCastlingRights; i++)
16730 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16731 if (appData.debugMode) {
16732 fprintf(debugFP, "FEN castling rights:");
16733 for(i=0; i<nrCastlingRights; i++)
16734 fprintf(debugFP, " %d", board[CASTLING][i]);
16735 fprintf(debugFP, "\n");
16738 while(*p==' ') p++;
16741 /* read e.p. field in games that know e.p. capture */
16742 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16743 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16745 p++; board[EP_STATUS] = EP_NONE;
16747 char c = *p++ - AAA;
16749 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16750 if(*p >= '0' && *p <='9') p++;
16751 board[EP_STATUS] = c;
16756 if(sscanf(p, "%d", &i) == 1) {
16757 FENrulePlies = i; /* 50-move ply counter */
16758 /* (The move number is still ignored) */
16765 EditPositionPasteFEN(char *fen)
16768 Board initial_position;
16770 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16771 DisplayError(_("Bad FEN position in clipboard"), 0);
16774 int savedBlackPlaysFirst = blackPlaysFirst;
16775 EditPositionEvent();
16776 blackPlaysFirst = savedBlackPlaysFirst;
16777 CopyBoard(boards[0], initial_position);
16778 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16779 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16780 DisplayBothClocks();
16781 DrawPosition(FALSE, boards[currentMove]);
16786 static char cseq[12] = "\\ ";
16788 Boolean set_cont_sequence(char *new_seq)
16793 // handle bad attempts to set the sequence
16795 return 0; // acceptable error - no debug
16797 len = strlen(new_seq);
16798 ret = (len > 0) && (len < sizeof(cseq));
16800 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16801 else if (appData.debugMode)
16802 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16807 reformat a source message so words don't cross the width boundary. internal
16808 newlines are not removed. returns the wrapped size (no null character unless
16809 included in source message). If dest is NULL, only calculate the size required
16810 for the dest buffer. lp argument indicats line position upon entry, and it's
16811 passed back upon exit.
16813 int wrap(char *dest, char *src, int count, int width, int *lp)
16815 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16817 cseq_len = strlen(cseq);
16818 old_line = line = *lp;
16819 ansi = len = clen = 0;
16821 for (i=0; i < count; i++)
16823 if (src[i] == '\033')
16826 // if we hit the width, back up
16827 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16829 // store i & len in case the word is too long
16830 old_i = i, old_len = len;
16832 // find the end of the last word
16833 while (i && src[i] != ' ' && src[i] != '\n')
16839 // word too long? restore i & len before splitting it
16840 if ((old_i-i+clen) >= width)
16847 if (i && src[i-1] == ' ')
16850 if (src[i] != ' ' && src[i] != '\n')
16857 // now append the newline and continuation sequence
16862 strncpy(dest+len, cseq, cseq_len);
16870 dest[len] = src[i];
16874 if (src[i] == '\n')
16879 if (dest && appData.debugMode)
16881 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16882 count, width, line, len, *lp);
16883 show_bytes(debugFP, src, count);
16884 fprintf(debugFP, "\ndest: ");
16885 show_bytes(debugFP, dest, len);
16886 fprintf(debugFP, "\n");
16888 *lp = dest ? line : old_line;
16893 // [HGM] vari: routines for shelving variations
16894 Boolean modeRestore = FALSE;
16897 PushInner(int firstMove, int lastMove)
16899 int i, j, nrMoves = lastMove - firstMove;
16901 // push current tail of game on stack
16902 savedResult[storedGames] = gameInfo.result;
16903 savedDetails[storedGames] = gameInfo.resultDetails;
16904 gameInfo.resultDetails = NULL;
16905 savedFirst[storedGames] = firstMove;
16906 savedLast [storedGames] = lastMove;
16907 savedFramePtr[storedGames] = framePtr;
16908 framePtr -= nrMoves; // reserve space for the boards
16909 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16910 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16911 for(j=0; j<MOVE_LEN; j++)
16912 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16913 for(j=0; j<2*MOVE_LEN; j++)
16914 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16915 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16916 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16917 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16918 pvInfoList[firstMove+i-1].depth = 0;
16919 commentList[framePtr+i] = commentList[firstMove+i];
16920 commentList[firstMove+i] = NULL;
16924 forwardMostMove = firstMove; // truncate game so we can start variation
16928 PushTail(int firstMove, int lastMove)
16930 if(appData.icsActive) { // only in local mode
16931 forwardMostMove = currentMove; // mimic old ICS behavior
16934 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16936 PushInner(firstMove, lastMove);
16937 if(storedGames == 1) GreyRevert(FALSE);
16938 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16942 PopInner(Boolean annotate)
16945 char buf[8000], moveBuf[20];
16947 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16948 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16949 nrMoves = savedLast[storedGames] - currentMove;
16952 if(!WhiteOnMove(currentMove))
16953 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16954 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16955 for(i=currentMove; i<forwardMostMove; i++) {
16957 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16958 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16959 strcat(buf, moveBuf);
16960 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16961 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16965 for(i=1; i<=nrMoves; i++) { // copy last variation back
16966 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16967 for(j=0; j<MOVE_LEN; j++)
16968 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16969 for(j=0; j<2*MOVE_LEN; j++)
16970 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16971 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16972 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16973 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16974 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16975 commentList[currentMove+i] = commentList[framePtr+i];
16976 commentList[framePtr+i] = NULL;
16978 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16979 framePtr = savedFramePtr[storedGames];
16980 gameInfo.result = savedResult[storedGames];
16981 if(gameInfo.resultDetails != NULL) {
16982 free(gameInfo.resultDetails);
16984 gameInfo.resultDetails = savedDetails[storedGames];
16985 forwardMostMove = currentMove + nrMoves;
16989 PopTail(Boolean annotate)
16991 if(appData.icsActive) return FALSE; // only in local mode
16992 if(!storedGames) return FALSE; // sanity
16993 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16995 PopInner(annotate);
16996 if(currentMove < forwardMostMove) ForwardEvent(); else
16997 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
16999 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17005 { // remove all shelved variations
17007 for(i=0; i<storedGames; i++) {
17008 if(savedDetails[i])
17009 free(savedDetails[i]);
17010 savedDetails[i] = NULL;
17012 for(i=framePtr; i<MAX_MOVES; i++) {
17013 if(commentList[i]) free(commentList[i]);
17014 commentList[i] = NULL;
17016 framePtr = MAX_MOVES-1;
17021 LoadVariation(int index, char *text)
17022 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17023 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17024 int level = 0, move;
17026 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17027 // first find outermost bracketing variation
17028 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17029 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17030 if(*p == '{') wait = '}'; else
17031 if(*p == '[') wait = ']'; else
17032 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17033 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17035 if(*p == wait) wait = NULLCHAR; // closing ]} found
17038 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17039 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17040 end[1] = NULLCHAR; // clip off comment beyond variation
17041 ToNrEvent(currentMove-1);
17042 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17043 // kludge: use ParsePV() to append variation to game
17044 move = currentMove;
17045 ParsePV(start, TRUE, TRUE);
17046 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17047 ClearPremoveHighlights();
17049 ToNrEvent(currentMove+1);